@import"https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Montserrat:wght@400;500;600;700&family=Nunito+Sans:wght@400;500;600&display=swap";.teacher-select{display:flex;flex-direction:column;align-items:center;min-height:calc(100vh - 300px);padding:60px 20px 0;background-color:#fff}.teacher-select-logo{height:120px;width:auto;margin-bottom:20px;animation:slideUp .6s ease}.teacher-select-title{font-family:"Instrument Serif",serif;font-size:64px;font-weight:400;margin-bottom:30px;color:#000;text-align:center;animation:slideUp .6s ease}.teacher-select-card{background-color:#f7f7f7;border:1px solid var(--ui-line);border-radius:40px;padding:60px 50px;max-width:550px;width:100%;text-align:center;box-shadow:0 2px 10px #0000000d;animation:slideUp .6s ease}.teacher-select-subtitle{font-family:Montserrat,sans-serif;font-size:22px;font-weight:550;color:#000;margin-bottom:40px}.teacher-select-form{display:flex;flex-direction:column;gap:16px}.teacher-dropdown{width:100%;padding:15px 20px;border:1px solid var(--ui-line);border-radius:50px;font-family:Montserrat,sans-serif;font-size:16px;color:#000;background-color:#fff;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 20px center;cursor:pointer}.teacher-dropdown:focus{outline:none}.teacher-input{width:100%;padding:15px 25px;border:1px solid var(--ui-line);border-radius:50px;font-family:Montserrat,sans-serif;font-size:16px;color:#000;background-color:#fff;box-sizing:border-box}.teacher-input:focus{outline:none;box-shadow:0 0 0 2px #5b97e9}.teacher-input:disabled{opacity:.6;cursor:not-allowed}.teacher-input::placeholder{font-family:Montserrat,sans-serif;color:#999}.login-error{font-family:Montserrat,sans-serif;color:#e74c3c;font-size:14px;margin-top:8px;text-align:center}.login-error.access-denied{background-color:#fdecea;border:1px solid #f3cbc7;padding:14px 18px;border-radius:12px;margin-top:16px;line-height:1.5}.continue-btn{width:100%;padding:15px;border:1px solid #5b97e9;border-radius:50px;background-color:#5b97e9;color:#fff;font-family:Montserrat,sans-serif;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .3s ease,transform .2s ease}.continue-btn:hover:not(:disabled){background-color:#4a85d1;transform:translateY(-1px)}.continue-btn:disabled{opacity:.5;cursor:not-allowed}@media(max-width:600px){.teacher-select{padding:40px 20px 0}.teacher-select-logo{height:80px}.teacher-select-title{font-size:42px}.teacher-select-card{padding:40px 25px;border-radius:30px}.teacher-select-subtitle{font-size:17px}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease}.modal-content{background-color:#fff;border-radius:35px;padding:30px;max-width:580px;width:90%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:slideUp .3s ease}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.modal-title{font-size:22px;font-weight:600;color:#000;margin:0;font-family:Montserrat,sans-serif}.create-class-form{display:flex;flex-direction:column;gap:20px;overflow-y:auto;flex:1;min-height:0}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:600;color:#333;font-family:Montserrat,sans-serif}.form-input,.form-select{width:100%;padding:14px 18px;border:1px solid var(--ui-line);border-radius:15px;font-family:Nunito Sans,sans-serif;font-size:15px;color:#000;background-color:#fff;box-sizing:border-box;transition:box-shadow .2s ease}.form-input:focus,.form-select:focus{outline:none;border-color:#5b97e999;box-shadow:0 0 0 3px #5b97e91a}.form-input:disabled,.form-select:disabled{opacity:.6;cursor:not-allowed}.form-input::placeholder{color:#999}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center;cursor:pointer;border-radius:50px}.form-hint{font-size:12px;color:#888;line-height:1.4}.student-inputs{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}.student-input-row{display:flex;align-items:center;gap:8px}.student-input-wrapper{flex:1;position:relative;display:flex;align-items:center;background-color:#fff;border:1px solid var(--ui-line);border-radius:50px;overflow:hidden}.student-input{flex:1;padding-right:180px!important;border:0;border-radius:50px!important}.student-email-suffix{position:absolute;right:12px;font-size:12px;color:#5b97e9;background-color:#e3f2fd;padding:4px 8px;border-radius:50px;font-weight:500;white-space:nowrap}.create-class-form .remove-student-btn{width:48px;height:48px;border:1px solid var(--ui-line);border-radius:50%;background-color:#f5f5f5;color:#999;font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}.create-class-form .remove-student-btn:hover:not(:disabled){background-color:#ffebee;color:#e53935}.create-class-form .remove-student-btn:disabled{opacity:.5;cursor:not-allowed}.create-class-form .add-student-btn{padding:12px 20px;border:1px solid #cfe4fb;border-radius:50px;background-color:#e3f2fd;color:#5b97e9;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%;margin-bottom:8px}.create-class-form .add-student-btn:hover:not(:disabled){background-color:#d0e8fc;transform:translateY(-1px)}.create-class-form .add-student-btn:disabled{opacity:.5;cursor:not-allowed}.student-count{font-size:12px;color:#5b97e9;font-weight:600}.form-error{color:#e74c3c;font-size:14px;margin:0;padding:10px 14px;background-color:#fdecea;border:1px solid #f3cbc7;border-radius:10px}.modal-actions{display:flex;gap:12px;margin-top:8px;position:sticky;bottom:0;background-color:#fff;padding-top:16px}.btn-secondary{flex:1;padding:14px 20px;border:1px solid var(--ui-line);border-radius:50px;background-color:#f8f9fa;color:#666;font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary{flex:1;padding:14px 20px;border:1px solid #5b97e9;border-radius:50px;background-color:#5b97e9;color:#fff;font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary:disabled,.btn-secondary:disabled{opacity:.5;cursor:not-allowed}@media(max-width:500px){.modal-content{padding:24px 20px;margin:16px;width:calc(100% - 32px)}.modal-title{font-size:20px}.modal-actions{flex-direction:column}}.feed-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0006;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease}.feed-modal-content{background-color:#fff;border-radius:30px;padding:30px;max-width:700px;width:90%;max-height:85vh;display:flex;flex-direction:column;animation:slideUp .3s ease}.feed-inline-content{display:flex;flex-direction:column;min-width:0}.feed-inline-content .feed-tabs-bar{margin-top:0}.feed-inline-content .feed-tab-content{min-height:0;overflow:visible}.feed-inline-content .modal-loading{min-height:220px}.feed-inline-content .modal-actions{margin-bottom:0}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-shrink:0}.modal-title{font-family:"Instrument Serif",serif;font-size:28px;font-weight:400;color:#000;margin:0}.modal-close{width:36px;height:36px;border:none;border-radius:50%;background-color:#f5f5f5;color:#666;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0;padding:0}.modal-close:hover{background-color:#eee;color:#333}.modal-error{color:#e74c3c;font-family:Montserrat,sans-serif;font-size:14px;margin:0 0 16px;padding:12px 16px;background-color:#fdecea;border-radius:18px}.review-banner{background-color:#e3f2fd;padding:14px 20px;border-radius:18px;margin-bottom:20px}.review-banner p{margin:0;font-family:Montserrat,sans-serif;font-size:13px;color:#1565c0;line-height:1.5}.btn-assign{min-width:160px}.modal-loading{display:flex;flex-direction:column;align-items:center;padding:40px 0;gap:16px}.modal-loading p{font-family:Montserrat,sans-serif;color:#999;font-size:14px}.loading-spinner{width:40px;height:40px;border:3px solid #e0e0e0;border-top-color:#5b97e9;border-radius:50%;animation:spin 1s linear infinite}.feed-tabs-bar{display:flex;position:relative;gap:0;background-color:#f7f7f7;border-radius:50px;padding:4px;margin-bottom:24px;flex-shrink:0;overflow-x:auto}.tab-indicator{position:absolute;top:4px;bottom:4px;left:0;background-color:#5b97e926;border-radius:50px;transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1);pointer-events:none;z-index:0}.tab-pill{padding:10px 18px;border:none;border-radius:50px;background:none;font-family:Montserrat,sans-serif;font-size:13px;font-weight:500;color:#888;cursor:pointer;white-space:nowrap;display:flex;align-items:center;gap:6px;transition:color .15s ease,font-weight .15s ease;position:relative;z-index:1}.tab-pill:hover{color:#555}.tab-pill.active{color:#5b97e9;font-weight:600}.tab-pill-count{font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;padding:1px 7px;border-radius:50px;background-color:#5b97e91a;color:#5b97e9;transition:background-color .15s ease}.tab-pill.active .tab-pill-count{background-color:#5b97e940}.feed-tab-content{flex:1;overflow-y:auto;min-height:300px}.feed-overview{display:flex;flex-direction:column;gap:28px}.overview-section h4{font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;color:#333;margin:0 0 14px}.overview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.overview-item{display:flex;flex-direction:column;gap:4px;background-color:#f7f7f7;border-radius:22px;padding:16px 20px}.overview-label{font-family:Montserrat,sans-serif;font-size:11px;color:#999;text-transform:uppercase;letter-spacing:.3px;font-weight:500}.overview-value{font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;color:#333}.overview-item-editable .overview-value-row{display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 14px;margin:0;border:1px solid #e0e0e0;border-radius:999px;background-color:#fff;transition:border-color .15s ease,background-color .15s ease}.overview-item-editable .overview-value-row:hover{border-color:#5b97e9;background-color:#f4f8ff}.overview-edit-icon{color:#999;opacity:1;transition:color .15s ease;flex-shrink:0;margin-left:auto}.overview-item-editable .overview-value-row:hover .overview-edit-icon{color:#5b97e9}.overview-edit-row{display:flex;align-items:center;gap:8px}.overview-edit-input{flex:1;padding:8px 12px;border:1px solid #e0e0e0;border-radius:10px;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#333;transition:border-color .2s ease}.overview-edit-input:focus{outline:none;border-color:#5b97e9}.overview-save-btn,.overview-cancel-btn{width:28px;height:28px;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0}.overview-save-btn{background-color:#e8f5e9;color:#2e7d32}.overview-save-btn:hover:not(:disabled){background-color:#c8e6c9}.overview-save-btn:disabled{opacity:.5;cursor:not-allowed}.overview-cancel-btn{background-color:#f5f5f5;color:#666}.overview-cancel-btn:hover{background-color:#eee}.status-badge{display:inline-block;padding:4px 14px;border-radius:50px;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;width:fit-content}.status-published{background-color:#5b97e91f;color:#5b97e9}.status-draft{background-color:#fff3e0;color:#e65100}.status-unknown{background-color:#f5f5f5;color:#666}.question-summary{display:flex;gap:12px;flex-wrap:wrap}.summary-item{display:flex;flex-direction:column;align-items:center;padding:18px 24px;background-color:#f7f7f7;border-radius:20px;min-width:80px;flex:1}.summary-count{font-family:"Instrument Serif",serif;font-size:32px;font-weight:400;color:#5b97e9;line-height:1.1}.summary-label{font-family:Montserrat,sans-serif;font-size:12px;color:#888;margin-top:4px;font-weight:500}.student-count-text{font-family:Montserrat,sans-serif;font-size:14px;color:#666;margin:0}.questions-list{display:flex;flex-direction:column;gap:14px}.no-questions{text-align:center;color:#999;padding:40px 0;font-family:Montserrat,sans-serif;font-size:14px;font-style:italic}.question-card{background-color:#f7f7f7;border-radius:22px;padding:20px;border:none}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.question-number{font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;color:#5b97e9;background-color:#5b97e91f;padding:5px 12px;border-radius:50px}.question-actions{display:flex;gap:8px}.edit-btn,.delete-btn{padding:6px 14px;border:none;border-radius:50px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s ease}.edit-btn{background-color:#5b97e91a;color:#5b97e9}.edit-btn:hover{background-color:#5b97e933}.delete-btn{background-color:#e74c3c14;color:#e74c3c}.delete-btn:hover{background-color:#e74c3c26}.question-text{font-family:Montserrat,sans-serif;font-size:15px;color:#333;margin:0 0 14px;line-height:1.6;font-weight:500}.options-list{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:8px}.options-list li{padding:12px 16px;background-color:#fff;border-radius:16px;font-family:Montserrat,sans-serif;font-size:14px;color:#555;border:none}.options-list li.correct-option{background-color:#5b97e91a;color:#5b97e9;font-weight:600}.explanation{font-family:Montserrat,sans-serif;font-size:13px;color:#666;margin:0;padding:12px 16px;background-color:#fff;border-radius:16px;line-height:1.5}.flashcard-content{display:grid;grid-template-columns:1fr 1fr;gap:12px}.flashcard-side{background-color:#fff;padding:16px;border-radius:18px;border:none}.side-label{display:block;font-family:Montserrat,sans-serif;font-size:11px;font-weight:600;color:#999;text-transform:uppercase;letter-spacing:.3px;margin-bottom:8px}.flashcard-side p{margin:0;font-family:Montserrat,sans-serif;font-size:14px;color:#333;line-height:1.6}.answer-text,.reel-content{font-family:Montserrat,sans-serif;font-size:14px;color:#333;margin:0;line-height:1.6}.reel-topic{font-family:Montserrat,sans-serif;font-size:14px;color:#666;margin:0 0 8px}.question-edit-form{display:flex;flex-direction:column;gap:10px}.question-edit-form .form-group{display:flex;flex-direction:column;gap:4px}.mcq-options-edit{display:flex;flex-direction:column;gap:6px}.mcq-option-edit{display:flex;align-items:center;gap:10px;background-color:#ececec;border-radius:12px;padding:6px 10px 6px 14px;border:1px solid transparent}.mcq-option-edit.mcq-option-correct{background-color:#e6f3e6;border-color:#b8dcb8}.mcq-option-label{font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;color:#777;text-transform:uppercase;letter-spacing:.3px;min-width:64px;flex-shrink:0}.mcq-option-edit.mcq-option-correct .mcq-option-label{color:#2e7d32}.mcq-option-edit input{flex:1;padding:8px 12px!important;border-radius:10px!important;background-color:#fff!important;font-size:13px!important}.question-edit-form label{font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;color:#333}.question-edit-form input,.question-edit-form textarea,.question-edit-form select{padding:10px 14px;border:none;border-radius:12px;font-size:14px;font-family:Montserrat,sans-serif;color:#333;background-color:#fff;transition:box-shadow .2s ease}.question-edit-form input:focus,.question-edit-form textarea:focus,.question-edit-form select:focus{outline:none;box-shadow:0 0 0 2px #5b97e9}.question-edit-form textarea{resize:vertical;min-height:56px}.edit-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:8px}.modal-actions{display:flex;gap:12px;margin-top:20px;padding-top:16px;flex-shrink:0;justify-content:space-between;align-items:center}.btn-secondary{flex:1;padding:14px 20px;border:none;border-radius:50px;background-color:#f7f7f7;color:#666;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-secondary:hover:not(:disabled){background-color:#ececec}.btn-primary{flex:1;padding:14px 20px;border:none;border-radius:50px;background-color:#5b97e9;color:#fff;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary:hover:not(:disabled){background-color:#4a85d1;transform:translateY(-1px)}.btn-primary:disabled,.btn-secondary:disabled,.btn-danger:disabled{opacity:.5;cursor:not-allowed}.btn-danger{padding:14px 20px;border:none;border-radius:50px;background-color:#e74c3c14;color:#e74c3c;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-danger:hover:not(:disabled){background-color:#e74c3c26}.modal-actions-right{display:flex;gap:12px;margin-left:auto}.modal-actions-right .btn-secondary,.modal-actions-right .btn-primary{flex:none}@media(max-width:600px){.feed-modal-content{padding:22px;margin:12px;width:calc(100% - 24px);max-height:90vh;border-radius:25px}.modal-title{font-size:24px}.feed-tabs-bar{gap:2px;padding:3px}.tab-pill{padding:8px 14px;font-size:12px}.overview-grid{grid-template-columns:1fr}.question-summary{gap:8px}.summary-item{padding:14px 16px;min-width:60px}.summary-count{font-size:26px}.flashcard-content{grid-template-columns:1fr}.modal-actions{flex-direction:column}}.file-dropzone{border:2px dashed #E0E0E0;border-radius:30px;padding:40px 20px;text-align:center;cursor:pointer;background-color:#f7f7f7;transition:border-color .3s ease,background-color .3s ease}.file-dropzone:hover{border-color:#5b97e9;background-color:#5b97e90f}.file-dropzone.drag-over{border-color:#5b97e9;background-color:#5b97e90d}.dropzone-content{display:flex;flex-direction:column;align-items:center;gap:8px}.dropzone-icon-img{width:60px;height:60px;object-fit:contain;margin-bottom:8px}.dropzone-text{font-size:16px;color:#333}.dropzone-hint{font-size:14px;color:#999}.file-selected{display:flex;align-items:center;justify-content:space-between;background-color:#f7f7f7;border:1px solid #E0E0E0;border-radius:15px;padding:15px 20px}.file-info{display:flex;align-items:center;gap:12px}.file-icon{font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;color:#fff;background-color:#5b97e9;padding:6px 10px;border-radius:8px}.file-details{display:flex;flex-direction:column}.file-name{font-size:14px;font-weight:600;color:#333}.file-size{font-size:13px;color:#999}.file-remove{background:none;border:none;color:#999;font-family:Montserrat,sans-serif;font-size:13px;font-weight:500;cursor:pointer;transition:color .3s ease}.file-remove:hover{color:#e74c3c}.files-selected-container{display:flex;flex-direction:column;gap:10px}.files-list{display:flex;flex-direction:column;gap:8px}.file-dropzone-small{padding:15px 20px;border-radius:12px;margin-top:4px}.file-dropzone-small:hover{background-color:#5b97e90d}.dropzone-text-small{font-size:14px;color:#5b97e9;font-weight:500;margin:0}@media(max-width:600px){.file-dropzone{padding:30px 15px}.file-selected{flex-direction:column;gap:10px;align-items:flex-start}}.add-quiz-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:addQuizFadeIn .2s ease}.add-quiz-modal{background-color:#fff;border-radius:25px;width:90%;max-width:560px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px #00000026;animation:addQuizSlideUp .3s ease}.add-quiz-header{display:flex;justify-content:space-between;align-items:center;padding:24px 28px 0}.add-quiz-title{font-family:Montserrat,sans-serif;font-size:20px;font-weight:600;color:#333;margin:0}.add-quiz-close{width:36px;height:36px;border:none;border-radius:50%;background-color:#f5f5f5;color:#666;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.add-quiz-close:hover{background-color:#eee;color:#333}.add-quiz-form{padding:24px 28px 28px}.add-quiz-form-group{margin-bottom:20px}.add-quiz-form-group label{display:block;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#333;margin-bottom:8px}.add-quiz-form-group input[type=text]{width:100%;padding:14px 18px;border:1px solid #e0e0e0;border-radius:12px;font-family:Montserrat,sans-serif;font-size:14px;transition:border-color .2s ease;box-sizing:border-box}.add-quiz-form-group input[type=text]:focus{outline:none;border-color:#5b97e9}.add-quiz-form-group input[type=text]:disabled{background-color:#f5f5f5;cursor:not-allowed}.add-quiz-textarea{width:100%;padding:14px 18px;border:1px solid #e0e0e0;border-radius:12px;font-family:Montserrat,sans-serif;font-size:14px;line-height:1.5;transition:border-color .2s ease;box-sizing:border-box;resize:vertical;min-height:80px}.add-quiz-textarea:focus{outline:none;border-color:#5b97e9}.add-quiz-optional{font-weight:400;color:#888;font-size:12px}.add-quiz-help-text{margin-top:6px;font-size:12px;color:#888;text-align:right}.add-quiz-select{width:100%;padding:14px 18px;border:1px solid #e0e0e0;border-radius:12px;font-family:Montserrat,sans-serif;font-size:14px;background-color:#fff;cursor:pointer;transition:border-color .2s ease;box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}.add-quiz-select:focus{outline:none;border-color:#5b97e9}.add-quiz-select:disabled{background-color:#f5f5f5;cursor:not-allowed}.add-quiz-settings-panel{background-color:#f7f7f7;border:1px solid var(--ui-line);border-radius:16px;padding:16px}.add-quiz-settings-info{font-family:Montserrat,sans-serif;font-size:13px;color:#666;margin:0 0 16px}.add-quiz-stepper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.add-quiz-stepper-control{display:flex;flex-direction:column;align-items:center;gap:6px}.add-quiz-stepper-btn{width:36px;height:36px;border:1px solid #cfe4fb;border-radius:50%;background-color:#e3f2fd;color:#5b97e9;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.add-quiz-stepper-btn:hover:not(:disabled){background-color:#d0e8fc;transform:scale(1.05)}.add-quiz-stepper-btn:disabled{opacity:.4;cursor:not-allowed}.add-quiz-stepper-value{font-family:Montserrat,sans-serif;font-size:20px;font-weight:600;color:#333}.add-quiz-stepper-label{font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;color:#666;text-align:center}.add-quiz-stepper-limit{font-family:Montserrat,sans-serif;font-size:10px;color:#999}.add-quiz-progress-container{height:6px;background-color:#e0e0e0;border-radius:3px;overflow:hidden;margin-bottom:12px}.add-quiz-progress-bar{height:100%;background-color:#5b97e9;border-radius:3px;transition:width .3s ease}.add-quiz-processing-status{font-family:Montserrat,sans-serif;font-size:13px;color:#666;text-align:center;margin:0 0 16px}.add-quiz-actions{display:flex;gap:12px;margin-top:24px}.add-quiz-cancel-btn{flex:1;padding:14px 20px;border:1px solid var(--ui-line);border-radius:50px;background-color:#f5f5f5;color:#666;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.add-quiz-cancel-btn:hover:not(:disabled){background-color:#eee}.add-quiz-cancel-btn:disabled{opacity:.6;cursor:not-allowed}.add-quiz-submit-btn{flex:2;padding:14px 20px;border:1px solid #5b97e9;border-radius:50px;background-color:#5b97e9;color:#fff;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.add-quiz-submit-btn:hover:not(:disabled){background-color:#4a85d1;transform:translateY(-1px)}.add-quiz-submit-btn:disabled{opacity:.6;cursor:not-allowed}.add-quiz-error{font-family:Montserrat,sans-serif;font-size:13px;color:#e74c3c;background-color:#fdecea;border:1px solid #f3cbc7;padding:12px 16px;border-radius:12px;margin-top:16px}@keyframes addQuizFadeIn{0%{opacity:0}to{opacity:1}}@keyframes addQuizSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:600px){.add-quiz-modal{width:95%;max-height:95vh}.add-quiz-header{padding:20px 20px 0}.add-quiz-form{padding:20px}.add-quiz-stepper-grid{grid-template-columns:1fr;gap:16px}.add-quiz-stepper-control{flex-direction:row;justify-content:space-between;padding:12px;background-color:#fff;border-radius:12px}.add-quiz-actions{flex-direction:column}.add-quiz-cancel-btn,.add-quiz-submit-btn{flex:none;width:100%}}.class-manager{--cm-line: var(--ui-line, #e4e9f0);--cm-line-strong: var(--ui-line-strong, #cfd9e6);--cm-soft: var(--ui-surface-subtle, #f7f9fc);animation:fadeIn .4s ease}.class-manager-header{display:flex;justify-content:flex-start;align-items:center;margin-bottom:20px}.class-manager-title{display:none}.import-actions{display:flex;align-items:center;gap:10px}.mock-badge{padding:6px 12px;background-color:#fff3e0;color:#e65100;border-radius:12px;font-size:12px;font-weight:600;font-family:Montserrat,sans-serif}.cm-page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}.cm-page-title-wrap h2{font-family:"Instrument Serif",serif;font-weight:400;font-size:44px;letter-spacing:-.01em;color:#1a1a1a;line-height:1;margin:0}.cm-page-title-sub{margin-top:8px;font-size:14px;color:#666;font-family:Montserrat,sans-serif}.cm-header-actions{display:flex;gap:10px;align-items:center}.cm-searchbox{position:relative;display:flex;align-items:center}.cm-searchbox input{padding:10px 14px 10px 36px;border-radius:50px;border:1px solid var(--cm-line);font-size:13px;background:#fff;width:240px;color:#333;font-family:Montserrat,sans-serif}.cm-searchbox input:focus{outline:none;border-color:#5b97e9}.cm-searchbox svg{position:absolute;left:12px;color:#999}.btn{font-family:Montserrat,sans-serif;font-weight:600;font-size:13px;padding:10px 16px;border-radius:50px;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .15s;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}.btn-primary{background:#5b97e9;border-color:#5b97e9;color:#fff}.btn-primary:hover{background:#4a86d8}.btn-ghost{background:#fff;color:#333;border-color:var(--cm-line, var(--ui-line, #e4e9f0))}.btn-ghost:hover{background:#f7f7f7;border-color:#dcdcdc}.btn-sm{padding:7px 12px;font-size:12px;border-radius:50px}.cm-view-toggle{display:flex;gap:4px;background:#f7f7f7;padding:4px;border:1px solid var(--cm-line);border-radius:12px}.cm-view-toggle button{padding:7px 14px;font-size:12px;font-weight:600;font-family:Montserrat,sans-serif;border-radius:9px;color:#666;border:1px solid transparent;background:none;cursor:pointer;transition:background .15s,color .15s;display:flex;align-items:center;gap:6px}.cm-view-toggle button.active{background:#fff;border-color:var(--cm-line);color:#1a1a1a;box-shadow:0 1px 3px #00000014}.chip{font-family:Montserrat,sans-serif;font-weight:600;font-size:11px;padding:4px 10px;border-radius:50px;display:inline-flex;align-items:center;gap:6px;letter-spacing:.01em;border:1px solid transparent}.chip-year{background:#e8f1fc;color:#5b97e9}.cm-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap}.cm-filters{display:flex;gap:8px;flex-wrap:wrap}.cm-filter-pill{padding:7px 14px;border-radius:50px;background:#f7f7f7;color:#666;font-family:Montserrat,sans-serif;font-weight:600;font-size:12px;border:1px solid var(--cm-line);cursor:pointer;transition:background .15s,color .15s}.cm-filter-pill:hover{background:#efefef;color:#333}.cm-filter-pill.active{background:#1a1a1a;border-color:#1a1a1a;color:#fff}.cm-sort{font-family:Montserrat,sans-serif;font-size:12px;font-weight:500;color:#666;display:flex;align-items:center;gap:6px}.cm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.cm-card{background:#fff;border:1px solid var(--cm-line);border-radius:20px;padding:22px 22px 18px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;gap:16px;cursor:pointer;position:relative}.cm-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000000f;border-color:#dcdcdc}.cm-card-stripe{position:absolute;top:0;left:22px;right:22px;height:3px;border-radius:0 0 3px 3px;background:#5b97e9;opacity:.7}.cm-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.cm-card-title{font-family:Montserrat,sans-serif;font-weight:600;font-size:18px;color:#1a1a1a;line-height:1.2}.cm-card-sub{margin-top:4px;font-size:12px;color:#666}.cm-card-menu{width:32px;height:32px;border-radius:50%;color:#999;display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;transition:background .15s,color .15s;flex-shrink:0}.cm-card-menu:hover{background:#f7f7f7;color:#333}.cm-card-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.cm-card-stat{display:flex;flex-direction:column;gap:2px}.cm-card-stat-val{font-family:"Instrument Serif",serif;font-size:28px;line-height:1;color:#1a1a1a}.cm-card-stat-lbl{font-family:Montserrat,sans-serif;font-weight:500;font-size:10px;color:#999;text-transform:uppercase;letter-spacing:.06em}.cm-card-meter{height:6px;border-radius:3px;background:#f7f7f7;overflow:hidden;margin-top:2px}.cm-card-meter-fill{height:100%;background:#5b97e9;border-radius:3px;transition:width .5s ease}.cm-card-meter-meta{display:flex;justify-content:space-between;font-size:11px;color:#999;font-family:Montserrat,sans-serif;font-weight:500;margin-top:8px}.cm-card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid #f0f0f0}.cm-card-avatars{display:flex}.cm-av{width:26px;height:26px;border-radius:50%;background:#e8f1fc;color:#5b97e9;display:flex;align-items:center;justify-content:center;font-family:Montserrat,sans-serif;font-weight:600;font-size:10px;margin-left:-6px;border:2px solid white}.cm-av:first-child{margin-left:0}.cm-av-more{background:#ececec;color:#666;font-size:10px}.cm-card-add{border:1.5px dashed #d0d0d0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:240px;color:#666;font-family:Montserrat,sans-serif;font-weight:600;font-size:13px;gap:10px;transition:background .2s,border-color .2s,color .2s;cursor:pointer;border-radius:20px;padding:22px}.cm-card-add:hover{background:#f4f8fd;border-color:#5b97e9;color:#5b97e9}.cm-card-add-icon{width:44px;height:44px;border-radius:50%;background:#f7f7f7;display:flex;align-items:center;justify-content:center;color:#666}.cm-card-add:hover .cm-card-add-icon{background:#fff;color:#5b97e9}.cm-master-wrap{display:grid;grid-template-columns:300px minmax(0,1fr);gap:20px;align-items:stretch;transition:grid-template-columns .55s ease,gap .55s ease}.cm-master-wrap-collapsed{grid-template-columns:var(--cm-master-left-collapsed-width, 128px) minmax(0,1fr)}.cm-master-wrap-expanded{grid-template-columns:300px minmax(0,1fr)}.cm-master-left{border:1px solid var(--cm-line);border-radius:28px;background:#fff;padding:10px;display:flex;flex-direction:column;gap:4px;align-self:stretch;height:auto;overflow-y:auto;overflow-x:hidden;position:sticky;top:20px;width:100%;transition:width .55s ease,padding .55s ease,border-radius .55s ease,box-shadow .2s ease}.cm-master-left-controls{display:flex;align-items:center;gap:6px;min-height:54px;margin-bottom:6px}.cm-master-left-add{padding:12px;border-radius:50px;display:flex;align-items:center;gap:8px;font-family:Montserrat,sans-serif;font-weight:600;font-size:13px;color:#5b97e9;background:#f4f8fd;justify-content:center;border:1px dashed #c8dcf2;cursor:pointer;flex:1;min-width:0;transition:background .15s,border-radius .55s ease,padding .55s ease}.cm-master-left-add:hover{background:#e8f1fc}.cm-rail-full-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-rail-locks{display:flex;gap:6px;flex-shrink:0}.cm-rail-lock{width:38px;height:40px;border-radius:50%;border:1px solid #ececec;background:#fff;color:#777;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:background .15s,border-color .15s,color .15s}.cm-rail-lock:hover,.cm-rail-lock.active{background:#f4f8fd;border-color:#c8dcf2;color:#5b97e9}.cm-list-item{text-align:left;display:flex;align-items:center;gap:12px;padding:12px 14px 12px 20px;border-radius:14px;transition:background .15s;position:relative;border:1px solid transparent;background:none;cursor:pointer;width:100%}.cm-list-item:focus-visible,.cm-master-left-add:focus-visible,.cm-rail-lock:focus-visible{outline:2px solid #5b97e9;outline-offset:2px}.cm-list-item:hover{background:#f7f7f7}.cm-list-item.selected{background:#f4f8fd;border-color:#dce8f8}.cm-list-item.selected:before{content:"";position:absolute;left:8px;top:14px;bottom:14px;width:3px;border-radius:2px;background:#5b97e9}.cm-list-dot{display:none}.cm-subject-icon{position:relative;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:#5b97e9}.cm-subject-icon img,.cm-subject-icon-fallback{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.cm-subject-icon img{z-index:1;display:block;object-fit:contain}.cm-subject-icon-fallback{display:flex;align-items:center;justify-content:center;border-radius:10px;background:#e8f1fc}.cm-list-item-short{display:none;font-family:Montserrat,sans-serif;font-weight:700;font-size:12px;color:#333;letter-spacing:0;text-align:center;width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cm-list-item-main{flex:1;min-width:0}.cm-list-item-name{font-family:Montserrat,sans-serif;font-weight:600;font-size:13px;color:#1a1a1a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cm-list-item-sub{font-size:11px;color:#999;margin-top:2px;font-family:Nunito Sans,sans-serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cm-list-item-code{font-weight:400;color:#888;font-size:12px}.cm-detail-code{font-weight:400;color:#888;font-size:.75em;margin-left:4px}.cm-list-item-count{font-family:Montserrat,sans-serif;font-weight:600;font-size:11px;color:#666;background:#f7f7f7;padding:2px 8px;border-radius:8px}.cm-list-item.selected .cm-list-item-count{background:#fff}.cm-master-left.collapsed{padding:10px 8px;border-radius:24px}.cm-master-left.collapsed .cm-master-left-controls{flex-direction:column;align-items:center}.cm-master-left.collapsed .cm-master-left-add{width:100%;min-height:54px;flex:none;padding:0;border-radius:14px}.cm-master-left.collapsed .cm-rail-full-label,.cm-master-left.collapsed .cm-list-item-main,.cm-master-left.collapsed .cm-list-item-count,.cm-master-left.collapsed .cm-rail-locks{display:none}.cm-master-left.collapsed.locked-closed .cm-rail-locks{display:flex;width:100%}.cm-master-left.collapsed.locked-closed .cm-rail-lock{display:none}.cm-master-left.collapsed.locked-closed .cm-rail-lock.active{display:inline-flex;width:100%;height:34px;border-radius:12px}.cm-master-left.collapsed .cm-list-item{justify-content:center;min-height:54px;gap:0;padding:12px 8px}.cm-master-left.collapsed .cm-list-item-short{display:block}.cm-master-left.collapsed .cm-list-item.selected:before{left:6px;top:10px;bottom:10px}.cm-master-left.collapsed .cm-list-item.selected .cm-list-item-short{color:#5b97e9}@media(min-width:901px){.cm-master-left.expanded .cm-master-left-controls,.cm-master-left.expanded .cm-list-item{min-width:278px}.cm-master-left.expanded .cm-list-item{min-height:57px}}.cm-master-right{border:1px solid var(--cm-line);border-radius:28px;padding:28px 28px 24px;background:#fff}.cm-detail-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(200px,240px) auto;align-items:center;gap:20px;position:relative;overflow:hidden;margin:-28px -28px 0;padding:28px 28px 0;border-bottom:1px solid #f0f0f0;border-radius:27px 27px 0 0;background:linear-gradient(#ffffff8f,#ffffffb3),url(/assets/images/virtual-teacher-bottom-section.jpg) center / cover no-repeat}.cm-detail-heading{min-width:0}.cm-detail-subject-art{display:flex;align-self:end;justify-content:center;position:relative;height:135px;min-width:0}.cm-detail-subject-icon{position:absolute;left:50%;bottom:-1px;width:280px;max-width:none;height:178px;transform:translate(calc(-50% - 14px))}.cm-detail-subject-icon img{object-position:center bottom}.cm-detail-subject-icon .cm-subject-icon-fallback{background:transparent}.cm-detail-title{font-family:"Instrument Serif",serif;font-weight:400;font-size:34px;color:#1a1a1a;line-height:1;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.cm-rename-trigger{background:none;border:none;padding:4px;border-radius:6px;color:#999;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:color .15s,background .15s}.cm-rename-trigger:hover{color:#5b97e9;background:#f4f8ff}.cm-rename-form{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cm-rename-input{font-family:"Instrument Serif",serif;font-weight:400;font-size:30px;color:#1a1a1a;line-height:1;letter-spacing:-.01em;background:#fff;border:1px solid #d4d4d4;border-radius:8px;padding:6px 10px;min-width:280px;outline:none}.cm-rename-input:focus{border-color:#5b97e9;box-shadow:0 0 0 3px #5b97e926}.cm-rename-input:disabled{opacity:.6}.cm-rename-save,.cm-rename-cancel{font-family:Nunito Sans,sans-serif;font-weight:600;font-size:13px;padding:8px 14px;border-radius:8px;cursor:pointer;border:1px solid transparent}.cm-rename-save{background:#5b97e9;color:#fff}.cm-rename-save:hover:not(:disabled){background:#4a86d8}.cm-rename-save:disabled{background:#b8cef0;cursor:not-allowed}.cm-rename-cancel{background:#fff;color:#666;border-color:#d4d4d4}.cm-rename-cancel:hover:not(:disabled){background:#f7f7f7;color:#1a1a1a}.cm-detail-meta{margin-top:10px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.cm-detail-actions{display:flex;gap:8px;justify-self:end}.cm-section{margin-top:28px}.cm-section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.cm-section-title{font-family:Montserrat,sans-serif;font-weight:600;font-size:14px;color:#1a1a1a;text-transform:uppercase;letter-spacing:.06em}.cm-section-title span{color:#999;font-weight:500;margin-left:6px}.cm-tabs{display:flex;gap:32px;margin-top:28px;border-bottom:1px solid #ececf1}.cm-tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;padding:10px 2px 12px;margin-bottom:-1px;font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;color:#b0b6c3;cursor:pointer;border-bottom:3px solid transparent;transition:color .15s ease,border-color .15s ease}.cm-tab:hover{color:#6b7280}.cm-tab.active{color:#1a1a1a;border-bottom-color:#5b97e9}.cm-tab-count{font-weight:600;color:inherit}.cm-classwork-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px;align-items:start}.cm-classwork-grid>.cm-section{margin-top:0;min-width:0}.cm-classwork-panel .cm-section-head{gap:12px}.cm-classwork-panel .cm-section-head .btn{flex-shrink:0}.cm-quiz-list{display:flex;flex-direction:column;gap:8px}.cm-item-icon{flex-shrink:0;width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center}.cm-item-icon-feed{background:#e3edfb;color:#4a86d8}.cm-item-icon-homework{background:#fbedd2;color:#c98a10}.cm-quiz-item{display:flex;align-items:center;gap:16px;width:100%;padding:14px 16px;border-radius:12px;border:none;background:#f7f7f7;color:inherit;font:inherit;text-align:left;transition:background .15s,box-shadow .15s;cursor:pointer}.cm-quiz-item:hover{background:#efefef}.cm-quiz-item.selected{background:#eef5ff;box-shadow:inset 0 0 0 1px #c8dcf2}.cm-quiz-item:focus-visible{outline:2px solid #5b97e9;outline-offset:2px}.cm-quiz-title{flex:1;min-width:0;font-family:Montserrat,sans-serif;font-weight:500;font-size:13px;color:#333}.cm-quiz-date{font-size:11px;color:#999;font-family:Montserrat,sans-serif}.cm-quiz-progress{width:80px;display:flex;flex-direction:column;gap:4px}.cm-quiz-progress-bar{height:4px;background:#fff;border-radius:2px;overflow:hidden}.cm-quiz-progress-fill{height:100%;background:#5b97e9;border-radius:2px}.cm-quiz-progress-text{font-size:10px;color:#666;text-align:right;font-family:Montserrat,sans-serif;font-weight:600}.cm-quiz-actions{display:flex;align-items:center;gap:8px}.cm-quiz-add{border:1.5px dashed #d0d0d0;background:transparent;padding:14px;border-radius:50px;color:#666;font-family:Montserrat,sans-serif;font-weight:600;font-size:13px;text-align:center;transition:background .15s,color .15s,border-color .15s;cursor:pointer;width:100%}.cm-quiz-add:hover{background:#f4f8fd;color:#5b97e9;border-color:#5b97e9}.cm-homework-list{display:flex;flex-direction:column;gap:8px}.cm-homework-item{display:flex;align-items:center;gap:16px;width:100%;min-height:58px;padding:14px 16px;border:0;border-radius:12px;background:#fdf9f1;color:inherit;font:inherit;text-align:left;cursor:pointer;box-shadow:inset 0 0 0 1px #f3e7cd;transition:background .15s ease,box-shadow .15s ease,transform .15s ease}.cm-homework-item:hover{background:#faf3e5;box-shadow:inset 0 0 0 1px #ead8b4;transform:translateY(-1px)}.cm-homework-item:focus-visible{outline:2px solid #c98a10;outline-offset:2px}.cm-homework-item>svg{flex-shrink:0;color:#b08c45}.cm-homework-item .cm-homework-date{color:#b08c45}.cm-homework-title{flex:1;min-width:0;font-family:Montserrat,sans-serif;font-weight:500;font-size:13px;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-homework-date{font-size:11px;color:#999;font-family:Montserrat,sans-serif}.cm-homework-empty{display:flex;align-items:center;justify-content:center;min-height:82px;padding:18px;border-radius:12px;background:#f7f7f7;color:#999;font-family:Montserrat,sans-serif;font-size:13px;text-align:center}.cm-homework-action:disabled,.cm-homework-action:disabled:hover{background:#fff;border-color:#ececec;color:#aaa;cursor:not-allowed;opacity:.6}.cm-homework-screen{margin-top:28px;padding:18px;border:1px solid #ececec;border-radius:16px;background:#fafbfc}.cm-class-overview-hidden{display:none}.cm-classwork-detail-screen{margin-top:0;padding:0;border:0;border-radius:0;background:transparent;animation:fadeIn .2s ease}.cm-homework-screen-head{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px}.cm-homework-back{border:1px solid #ececec;background:#fff;color:#333;border-radius:50px;padding:8px 12px;display:inline-flex;align-items:center;gap:7px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}.cm-homework-back:hover{background:#f7f7f7}.cm-homework-screen-title-wrap{min-width:0}.cm-homework-screen-subtitle{margin-top:4px;color:#999;font-family:Nunito Sans,sans-serif;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-homework-screen .btn:disabled{background:#c7d8f1;cursor:not-allowed;opacity:.75}.cm-homework-mode-toggle{display:inline-flex;gap:4px;margin-top:18px;padding:4px;border-radius:12px;background:#fff;border:1px solid #ececec}.cm-homework-mode{border:none;background:transparent;color:#666;border-radius:9px;padding:9px 13px;display:inline-flex;align-items:center;gap:8px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;cursor:pointer}.cm-homework-mode.active{background:#1a1a1a;color:#fff}.cm-homework-builder-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:14px;margin-top:14px;align-items:start}.cm-homework-builder-panel{min-width:0;padding:14px;border:1px solid #ececec;border-radius:12px;background:#fff}.cm-homework-panel-title{color:#1a1a1a;font-family:Montserrat,sans-serif;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}.cm-homework-panel-title span{color:#999;margin-left:5px;font-weight:600}.cm-homework-choice-list,.cm-homework-question-list,.cm-homework-selected-list{display:flex;flex-direction:column;gap:8px}.cm-homework-choice,.cm-homework-question{width:100%;border:1px solid transparent;background:#f7f7f7;border-radius:12px;padding:12px;color:inherit;display:flex;align-items:center;gap:12px;text-align:left;cursor:pointer}.cm-homework-choice:hover,.cm-homework-question:hover{background:#efefef}.cm-homework-choice.selected,.cm-homework-question.selected{background:#eef5ff;border-color:#c8dcf2}.cm-homework-choice-title,.cm-homework-choice-meta,.cm-homework-question-topic,.cm-homework-question-meta{display:block}.cm-homework-choice-title,.cm-homework-question-topic{color:#333;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-homework-choice-meta,.cm-homework-question-meta{margin-top:3px;color:#999;font-family:Nunito Sans,sans-serif;font-size:11px}.cm-homework-time-field{height:48px;border:1px solid #ececec;border-radius:12px;background:#f7f7f7;display:flex;align-items:center;padding:0 12px;gap:10px}.cm-homework-time-field input{width:72px;border:none;background:transparent;color:#1a1a1a;font-family:Montserrat,sans-serif;font-size:18px;font-weight:800;outline:none}.cm-homework-time-field span{color:#666;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700}.cm-homework-time-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}.cm-homework-time-presets button{border:1px solid #ececec;background:#fff;color:#666;border-radius:10px;min-height:34px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:800;cursor:pointer}.cm-homework-time-presets button.active{background:#e8f1fc;color:#5b97e9;border-color:#c8dcf2}.cm-homework-review{margin-top:12px;padding:12px;border-radius:12px;background:#f7f7f7;display:flex;align-items:center;justify-content:space-between;gap:12px}.cm-homework-review span{min-width:0;color:#333;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-homework-review strong{color:#5b97e9;font-family:Montserrat,sans-serif;font-size:12px;white-space:nowrap}.cm-homework-search{position:relative;display:flex;align-items:center;margin-bottom:10px}.cm-homework-search svg{position:absolute;left:12px;color:#999}.cm-homework-search input{width:100%;min-width:0;height:42px;padding:0 14px 0 36px;border-radius:12px;border:1px solid #ececec;background:#f7f7f7;color:#333;font-family:Montserrat,sans-serif;font-size:13px;outline:none}.cm-homework-search input:focus{border-color:#5b97e9;background:#fff}.cm-homework-question-list{max-height:340px;overflow-y:auto;padding-right:2px}.cm-homework-question-check{width:22px;height:22px;border-radius:50%;border:1px solid #d9d9d9;background:#fff;color:#5b97e9;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.cm-homework-question.selected .cm-homework-question-check{border-color:#5b97e9;background:#fff}.cm-homework-question-main{min-width:0;flex:1}.cm-homework-question-view{flex-shrink:0;color:#5b97e9;font-family:Montserrat,sans-serif;font-size:11px;font-weight:800}.cm-homework-preview{margin-bottom:12px}.cm-homework-preview-meta{display:flex;align-items:center;gap:8px;margin-bottom:8px;min-width:0}.cm-homework-preview-meta span{flex-shrink:0;padding:3px 7px;border-radius:50px;background:#e8f1fc;color:#5b97e9;font-family:Montserrat,sans-serif;font-size:10px;font-weight:800}.cm-homework-preview-meta strong{min-width:0;color:#333;font-family:Montserrat,sans-serif;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-homework-preview-stack{display:flex;flex-direction:column;gap:8px;max-height:390px;overflow-y:auto;padding-right:2px}.cm-homework-preview-crop{position:relative;overflow:hidden;border:1px solid #ececec;border-radius:10px;background:#f7f7f7;min-height:120px}.cm-homework-preview-crop canvas{display:block;opacity:0;transition:opacity .15s ease}.cm-homework-preview-crop.ready canvas{opacity:1}.cm-homework-preview-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#999;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700}.cm-homework-preview-crop.ready .cm-homework-preview-placeholder{display:none}.cm-homework-selected-empty{display:flex;align-items:center;justify-content:center;min-height:54px;padding:12px;border-radius:12px;background:#f7f7f7;color:#999;font-family:Montserrat,sans-serif;font-size:12px;text-align:center}.cm-homework-selected-question{border:none;border-radius:12px;background:#f7f7f7;padding:10px 12px;display:flex;flex-direction:column;gap:3px;align-items:flex-start;cursor:pointer;text-align:left}.cm-homework-selected-question:hover{background:#efefef}.cm-homework-selected-question span{color:#5b97e9;font-family:Montserrat,sans-serif;font-size:11px;font-weight:800}.cm-homework-selected-question strong{max-width:100%;color:#333;font-family:Montserrat,sans-serif;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-feed-screen,.cm-homework-detail-screen{display:flex;flex-direction:column;gap:16px}.cm-homework-detail-overview,.cm-homework-detail-questions{padding:20px;border:1px solid #ececec;border-radius:16px;background:#fff}.cm-homework-detail-heading{display:flex;align-items:center;gap:13px}.cm-homework-detail-heading>.cm-item-icon{width:42px;height:42px;border-radius:12px}.cm-homework-detail-heading>div{min-width:0}.cm-homework-detail-heading span:not(.cm-item-icon){display:block;color:#b08c45;font-family:Montserrat,sans-serif;font-size:10px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.cm-homework-detail-heading h3{margin:3px 0 0;color:#222;font-family:"Instrument Serif",serif;font-size:28px;font-weight:400;line-height:1.15}.cm-homework-detail-meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:20px 0 0}.cm-homework-detail-meta>div{min-width:0;padding:13px 14px;border-radius:12px;background:#f8f8f8}.cm-homework-detail-meta dt{color:#999;font-family:Montserrat,sans-serif;font-size:9px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.cm-homework-detail-meta dd{margin:5px 0 0;overflow:hidden;color:#333;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.cm-homework-completion-fill{background:#c98a10}.cm-homework-detail-questions>.cm-section-title{margin-bottom:12px}.cm-homework-detail-question-list{display:flex;flex-direction:column;gap:8px}.cm-homework-detail-question{display:flex;align-items:center;gap:12px;min-height:54px;padding:10px 12px;border-radius:12px;background:#f8f8f8}.cm-homework-detail-question>span{min-width:42px;padding:5px 8px;border-radius:999px;background:#fbedd2;color:#a8730d;font-family:Montserrat,sans-serif;font-size:10px;font-weight:800;text-align:center}.cm-homework-detail-question>div{min-width:0}.cm-homework-detail-question strong,.cm-homework-detail-question small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-homework-detail-question strong{color:#333;font-family:Montserrat,sans-serif;font-size:12px}.cm-homework-detail-question small{margin-top:3px;color:#999;font-family:Nunito Sans,sans-serif;font-size:10px}.cm-feed-screen-completion{padding:16px;border:1px solid #ececec;border-radius:16px;background:#fff}.cm-feed-question-viewer{min-width:0;padding:16px;border:1px solid #ececec;border-radius:16px;background:#fff}.cm-feed-question-viewer .feed-tabs-bar{margin-bottom:16px}.cm-feed-question-viewer .modal-actions{border-top:1px solid #f0f0f0}.cm-feed-completion{padding:16px;border:1px solid #ececec;border-radius:16px;background:#fafbfc}.cm-feed-completion-head{align-items:flex-start;gap:14px}.cm-feed-completion-title{margin-top:6px;color:#333;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600}.cm-feed-completion-summary{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.cm-feed-completion-summary span{padding:6px 10px;border-radius:50px;background:#fff;color:#5b97e9;border:1px solid #dceafd;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700}.cm-feed-completion-list{display:flex;flex-direction:column;gap:8px}.cm-feed-completion-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(120px,180px) 52px;align-items:center;gap:14px;min-height:54px;padding:10px 12px;border-radius:12px;background:#fff}.cm-feed-completion-student{display:flex;align-items:center;gap:10px;min-width:0}.cm-feed-completion-info{min-width:0}.cm-feed-completion-name{color:#333;font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-feed-completion-email{margin-top:2px;color:#999;font-family:Nunito Sans,sans-serif;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm-feed-completion-bar{height:6px;border-radius:50px;background:#e8edf4;overflow:hidden}.cm-feed-completion-fill{height:100%;border-radius:50px;background:#5b97e9}.cm-feed-completion-percent{color:#333;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;text-align:right}.cm-feed-completion-empty{display:flex;align-items:center;justify-content:center;min-height:72px;border-radius:12px;background:#fff;color:#999;font-family:Montserrat,sans-serif;font-size:13px;text-align:center}.cm-student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}.cm-student{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:#fff;transition:background .15s,border-color .15s,box-shadow .15s,transform .15s;cursor:pointer;border:1px solid var(--cm-line);text-align:left;width:100%}.cm-student:hover{background:#f4f8fd;border-color:#cdddf1;box-shadow:0 5px 14px #1f407a12;transform:translateY(-1px)}.cm-student-av{width:30px;height:30px;border-radius:50%;background:#e8f1fc;color:#5b97e9;display:flex;align-items:center;justify-content:center;font-family:Montserrat,sans-serif;font-weight:600;font-size:11px;flex-shrink:0}.cm-student-info{flex:1;min-width:0}.cm-student-name{font-family:Montserrat,sans-serif;font-weight:500;font-size:12px;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cm-student-progress-row{display:flex;align-items:center;gap:6px;margin-top:4px}.cm-student-progress-bar{flex:1;height:3px;background:#e5e5e5;border-radius:2px;overflow:hidden}.cm-student-progress-fill{height:100%;background:#5b97e9;border-radius:2px}.cm-student-progress-val{font-size:10px;color:#999;font-family:Montserrat,sans-serif;font-weight:600}.cm-empty{text-align:center;padding:40px;color:#999;font-size:13px;background:#f7f7f7;border:1px dashed var(--cm-line-strong);border-radius:24px}.cm-add-student-form{display:flex;flex-direction:column;gap:10px;margin-bottom:12px;padding:14px;background:#fafbfc;border:1px solid #ececec;border-radius:12px}.cm-add-student-row{display:flex;align-items:stretch;gap:8px;width:100%}.cm-add-student-row>.student-input-wrapper{flex:1;min-width:0;background-color:#fff;border:1px solid #ececec;border-radius:10px;overflow:hidden}.cm-add-student-row>.student-input-wrapper:focus-within{border-color:#5b97e9}.cm-add-student-row .student-input{flex:1;min-width:0;padding:10px 8px 10px 14px!important;border-radius:10px!important;border:none!important;background:transparent!important;font-size:13px;font-family:Nunito Sans,sans-serif}.cm-add-student-row .student-input:focus{outline:none}.cm-add-student-row .student-email-suffix{position:static;flex-shrink:0;margin-right:8px}.cm-add-student-row>input[type=email]{flex:1;min-width:0;padding:10px 14px;border-radius:10px;border:1px solid #ececec;font-size:13px;font-family:Nunito Sans,sans-serif;background:#fff}.cm-add-student-row>input[type=email]:focus{outline:none;border-color:#5b97e9}.cm-add-student-submit{flex-shrink:0;white-space:nowrap;padding-left:18px;padding-right:18px}.cm-add-student-toggle{align-self:flex-start;background:none;border:none;color:#5b97e9;cursor:pointer;font-size:12px;padding:0;text-decoration:underline;font-family:inherit}.cm-add-student-toggle:hover{color:#4a7fc7}.cm-add-student-error{width:100%;margin:4px 0 0;padding:8px 12px;background-color:#fdecea;color:#e74c3c;border-radius:8px;font-size:13px;font-family:Montserrat,sans-serif}.cm-detail-activity{font-size:12px;color:#999}.cm-skeleton-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.cm-skeleton-card{background:#fff;border:1px solid #ececec;border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:16px}.class-error{color:#e74c3c;font-size:14px;text-align:center;padding:12px 16px;background-color:#fdecea;border-radius:12px;margin-bottom:16px;font-family:Montserrat,sans-serif}.class-empty{color:#666;font-size:14px;text-align:center;padding:20px 0;font-family:Montserrat,sans-serif}.inline-link{background:none;border:none;color:#5b97e9;font-weight:600;cursor:pointer;text-decoration:underline;padding:0;font-size:inherit;font-family:inherit}.inline-link:hover{color:#4a86d8}.mock-note{color:#999}@media(max-width:1100px){.cm-classwork-grid{grid-template-columns:1fr;gap:0}.cm-classwork-grid>.cm-section+.cm-section{margin-top:28px}.cm-homework-builder-grid{grid-template-columns:1fr}}@media(max-width:900px){.cm-page-header{flex-direction:column;align-items:stretch}.cm-page-title-wrap h2{font-size:32px}.cm-header-actions{flex-wrap:wrap}.cm-searchbox input{width:100%}.cm-master-wrap{grid-template-columns:1fr}.cm-master-left{position:static;height:auto;max-height:300px}.cm-master-left.collapsed{padding:10px;border-radius:28px}.cm-master-left.collapsed .cm-master-left-controls{flex-direction:row;align-items:center}.cm-master-left.collapsed .cm-master-left-add{width:auto;height:auto;flex:1;padding:12px;border-radius:50px}.cm-master-left.collapsed .cm-rail-full-label{display:inline}.cm-master-left.collapsed .cm-list-item-main{display:block}.cm-master-left.collapsed .cm-list-item-count{display:inline-flex}.cm-master-left.collapsed .cm-rail-lock{width:38px;height:40px;border-radius:50%}.cm-master-left.collapsed .cm-rail-locks{display:flex;flex-direction:row;gap:6px}.cm-master-left.collapsed .cm-list-item{justify-content:flex-start;min-height:auto;gap:12px;padding:12px 14px 12px 20px}.cm-master-left.collapsed .cm-list-item-short{display:none}.cm-master-left.collapsed .cm-list-item.selected:before{left:8px;top:14px;bottom:14px}.cm-grid{grid-template-columns:1fr}.cm-homework-detail-meta{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.cm-header-actions{flex-direction:column}.cm-detail-top{grid-template-columns:minmax(0,1fr) 110px;padding-bottom:20px}.cm-detail-subject-art{grid-column:2;height:74px}.cm-detail-subject-icon{position:relative;left:auto;bottom:auto;width:110px;height:74px;transform:none}.cm-detail-actions{grid-column:1 / -1;justify-self:start}.cm-homework-screen-head{grid-template-columns:1fr;align-items:stretch}.cm-homework-screen-head .btn,.cm-homework-back{justify-content:center}.cm-homework-mode-toggle{display:grid;grid-template-columns:1fr}.cm-homework-time-presets{grid-template-columns:repeat(2,1fr)}.cm-classwork-detail-screen{padding:0;border-radius:0}.cm-homework-detail-meta{grid-template-columns:1fr}.cm-feed-completion-head{flex-direction:column;align-items:stretch}.cm-feed-completion-summary{justify-content:flex-start}.cm-feed-completion-row{grid-template-columns:1fr;gap:8px}.cm-feed-completion-percent{text-align:left}.cm-student-grid{grid-template-columns:1fr}}.feed-performance{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:7px;width:100%}.feed-performance-metric{--feed-metric-color: #7c8490;--feed-metric-fill: #9aa3af;--feed-metric-track: rgba(124, 132, 144, .16);min-width:0;padding:8px 9px 7px;border:1px solid rgba(124,132,144,.16);border-radius:9px;background:#f7f8fa;color:var(--feed-metric-color)}.feed-performance-metric-head{display:flex;flex-direction:column;align-items:flex-start;gap:5px;min-width:0;font-family:Montserrat,sans-serif}.feed-performance-metric-head span{min-width:0;width:100%;color:#737d8b;font-size:7px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}.feed-performance-metric-head strong{flex-shrink:0;color:var(--feed-metric-color);font-size:15px;font-weight:800;line-height:1}.feed-performance-metric-detail{margin-top:7px;overflow:hidden;color:#737d8b;font-family:Nunito Sans,sans-serif;font-size:11px;font-weight:600;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.feed-performance-track{height:4px;margin-top:7px;overflow:hidden;border-radius:2px;background:var(--feed-metric-track)}.feed-performance-track span{display:block;height:100%;border-radius:inherit;background:var(--feed-metric-fill)}.feed-performance-metric-good{--feed-metric-color: #248e5a;--feed-metric-fill: #2eb872;--feed-metric-track: rgba(46, 184, 114, .17);border-color:#2eb87233;background:#f1faf5}.feed-performance-metric-ok{--feed-metric-color: #3f74c9;--feed-metric-fill: #5b97e9;--feed-metric-track: rgba(91, 151, 233, .17);border-color:#5b97e933;background:#f3f7fd}.feed-performance-metric-poor{--feed-metric-color: #d24444;--feed-metric-fill: #e24d4d;--feed-metric-track: rgba(226, 77, 77, .16);border-color:#e24d4d30;background:#fff5f5}.feed-performance-status{grid-auto-flow:row;padding:10px 11px;border:1px solid #e8ebef;border-radius:9px;background:#f7f8fa;color:#8a929d;font-family:Montserrat,sans-serif;font-size:10px;font-weight:600}.feed-performance-detail{gap:10px}.feed-performance-detail .feed-performance-metric{padding:13px 14px 12px;border-radius:12px}.feed-performance-detail .feed-performance-metric-head{flex-direction:row;align-items:baseline;justify-content:space-between;gap:12px}.feed-performance-detail .feed-performance-metric-head span{width:auto;font-size:9px}.feed-performance-detail .feed-performance-metric-head strong{font-size:20px}.feed-performance-detail.feed-performance-status{padding:13px 14px;font-size:12px}@media(max-width:440px){.feed-performance{grid-auto-flow:row;grid-auto-rows:auto}}.upload-form{--upload-line: var(--ui-line, #e4e9f0);animation:fadeIn .4s ease}.upload-form-title{display:none}.form-group{margin-bottom:20px}.form-group label{display:block;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#333;margin-bottom:8px}.form-group input[type=text]{width:100%;padding:15px 25px;border:1px solid var(--upload-line);border-radius:50px;font-family:Nunito Sans,sans-serif;font-size:16px;color:#000;background-color:#fff}.form-group input[type=text]:focus{outline:none}.form-group input[type=text]::placeholder{color:#999}.form-group input[type=text]:disabled{opacity:.6;cursor:not-allowed}.upload-form-textarea{width:100%;padding:15px 25px;border:1px solid var(--upload-line);border-radius:22px;font-family:Nunito Sans,sans-serif;font-size:15px;line-height:1.5;color:#000;background-color:#fff;resize:vertical;min-height:80px;box-sizing:border-box}.upload-form-textarea:focus{outline:none;box-shadow:0 0 0 2px #5b97e9}.upload-form-textarea::placeholder{color:#999}.upload-form-optional{font-weight:400;color:#888;font-size:13px}.upload-form-help-text{margin-top:6px;font-size:12px;color:#888;text-align:right}.source-mode-toggle{display:inline-flex;width:fit-content;background-color:#f0f0f0;border:1px solid var(--upload-line);border-radius:50px;padding:4px;margin-bottom:12px;gap:4px}.source-mode-btn{padding:8px 18px;border:1px solid transparent;background:transparent;border-radius:50px;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:#666;cursor:pointer;transition:background-color .2s ease,color .2s ease}.source-mode-btn:hover{color:#333}.source-mode-btn.active{background-color:#fff;border-color:var(--upload-line);color:#5b97e9;box-shadow:0 1px 3px #00000014}.youtube-url-input{width:100%;padding:15px 25px;border:1px solid var(--upload-line);border-radius:50px;font-family:Nunito Sans,sans-serif;font-size:16px;color:#000;background-color:#fff;box-sizing:border-box}.youtube-url-input:focus{outline:none;box-shadow:0 0 0 2px #5b97e9}.youtube-url-input::placeholder{color:#999}.progress-bar-container{width:100%;height:6px;background-color:#e0e0e0;border-radius:3px;margin-bottom:16px;overflow:hidden}.progress-bar{height:100%;background-color:#5b97e9;border-radius:3px;transition:width .3s ease}.processing-status{width:100%;padding:12px 15px;border-radius:15px;background-color:#e3f2fd;color:#1976d2;font-family:Montserrat,sans-serif;font-size:14px;font-weight:500;text-align:center;margin-bottom:12px}.upload-error{width:100%;padding:15px;border-radius:25px;background-color:#fdecea;color:#e74c3c;font-family:Montserrat,sans-serif;font-size:16px;font-weight:600;text-align:center;margin-top:12px}.upload-success{width:100%;padding:15px;border-radius:25px;background-color:#e3f2fd;color:#5b97e9;font-family:Montserrat,sans-serif;font-size:16px;font-weight:600;text-align:center;margin-top:12px}.upload-draft-success{background-color:#fff3e0;color:#e65100}.upload-btn{width:100%;padding:15px;border:none;border-radius:25px;background-color:#5b97e9;color:#fff;font-family:Montserrat,sans-serif;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .3s ease,transform .2s ease}.upload-btn:hover:not(:disabled){background-color:#4a85d1;transform:translateY(-1px)}.upload-btn:disabled{opacity:.5;cursor:not-allowed}.upload-actions{display:flex;gap:12px}.upload-actions .upload-btn{flex:1}.upload-btn-secondary{background-color:#fff;color:#5b97e9;border:2px solid #5b97e9}.upload-btn-secondary:hover:not(:disabled){background-color:#e3f2fd;transform:translateY(-1px)}.class-dropdown{width:100%;padding:15px 25px;border:1px solid var(--upload-line);border-radius:50px;font-family:Nunito Sans,sans-serif;font-size:16px;color:#000;background-color:#fff;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 20px center;cursor:pointer}.class-dropdown:focus{outline:none;box-shadow:0 0 0 2px #5b97e9}.class-dropdown:disabled{opacity:.6;cursor:not-allowed}.class-info-text{margin-top:8px;font-size:13px;color:#5b97e9;font-weight:500}.class-checkbox-list{display:flex;flex-direction:column;gap:8px;padding:10px;background-color:#f7f7f7;border:1px solid var(--upload-line);border-radius:22px;max-height:240px;overflow-y:auto}.form-group .class-checkbox-row{display:flex;align-items:center;gap:14px;padding:12px 18px;background-color:#fff;border:1px solid var(--upload-line);border-radius:50px;cursor:pointer;transition:background-color .15s ease,box-shadow .15s ease,transform .15s ease;font-family:Nunito Sans,sans-serif;font-size:15px;font-weight:500;color:#333;margin:0;-webkit-user-select:none;user-select:none}.form-group .class-checkbox-row:hover{background-color:#f0f6ff}.form-group .class-checkbox-row.checked{background-color:#e3f2fd;box-shadow:inset 0 0 0 1.5px #5b97e9}.form-group .class-checkbox-row input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:20px;height:20px;border-radius:6px;border:1.5px solid #cfd6e0;background-color:#fff;cursor:pointer;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;transition:background-color .15s ease,border-color .15s ease;margin:0}.form-group .class-checkbox-row input[type=checkbox]:hover{border-color:#5b97e9}.form-group .class-checkbox-row input[type=checkbox]:checked{background-color:#5b97e9;border-color:#5b97e9}.form-group .class-checkbox-row input[type=checkbox]:checked:after{content:"";width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}.class-checkbox-name{flex:1;font-weight:600;color:#2c3a4a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.class-checkbox-count{font-size:12px;font-weight:600;color:#6b7686;background-color:#f0f3f7;padding:4px 10px;border-radius:50px;white-space:nowrap;flex-shrink:0}.form-group .class-checkbox-row.checked .class-checkbox-count{background-color:#fff;color:#5b97e9}.content-settings-panel{padding:20px;background-color:#f7f7f7;border:1px solid var(--upload-line);border-radius:30px}.settings-info{font-size:13px;color:#5b97e9;font-weight:500;margin-bottom:16px;text-align:center}.stepper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.stepper-control{display:flex;flex-direction:column;align-items:center;gap:8px}.stepper-btn{width:40px;height:40px;border:none;border-radius:50%;background-color:#5b97e9;color:#fff;font-size:20px;font-weight:600;cursor:pointer;transition:background-color .2s ease,transform .1s ease;display:flex;align-items:center;justify-content:center}.stepper-btn:hover:not(:disabled){background-color:#4a85d1;transform:scale(1.05)}.stepper-btn:disabled{background-color:#ccc;cursor:not-allowed}.stepper-value{width:60px;height:50px;display:flex;align-items:center;justify-content:center;background-color:#f7f7f7;border:1px solid var(--upload-line);border-radius:12px;font-family:Montserrat,sans-serif;font-size:22px;font-weight:700;color:#333}.stepper-label{font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;color:#333;text-align:center;margin-top:4px}.stepper-limit{font-size:11px;color:#999;text-align:center}@media(max-width:600px){.upload-form{padding:0}.upload-form-title{font-size:20px}.stepper-grid{grid-template-columns:repeat(3,1fr);gap:10px}.stepper-btn{width:35px;height:35px;font-size:18px}.stepper-value{width:50px;height:45px;font-size:18px}.stepper-label{font-size:10px}}.manage-classes-modal{max-width:480px}.manage-classes-body{padding:0 24px 8px;display:flex;flex-direction:column;gap:14px}.manage-classes-intro{font-family:Montserrat,sans-serif;font-size:14px;color:#555;line-height:1.5;margin:0}.manage-classes-current{font-family:Montserrat,sans-serif;font-size:13px;color:#5b97e9;background-color:#e3f2fd;border:1px solid #cfe4fb;border-radius:50px;padding:8px 14px}.manage-classes-list{display:flex;flex-direction:column;gap:8px;padding:8px;background-color:#f7f7f7;border:1px solid var(--ui-line);border-radius:18px;max-height:280px;overflow-y:auto}.manage-classes-row{display:flex;align-items:center;gap:14px;padding:12px 18px;background-color:#fff;border:1px solid var(--ui-line);border-radius:50px;cursor:pointer;transition:background-color .15s ease,box-shadow .15s ease;font-family:Nunito Sans,sans-serif;font-size:15px;color:#333;margin:0;-webkit-user-select:none;user-select:none}.manage-classes-row:hover{background-color:#f0f6ff}.manage-classes-row.checked{background-color:#e3f2fd;box-shadow:inset 0 0 0 1.5px #5b97e9}.manage-classes-row input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:20px;height:20px;border-radius:6px;border:1.5px solid #cfd6e0;background-color:#fff;cursor:pointer;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;transition:background-color .15s ease,border-color .15s ease;margin:0}.manage-classes-row input[type=checkbox]:hover{border-color:#5b97e9}.manage-classes-row input[type=checkbox]:checked{background-color:#5b97e9;border-color:#5b97e9}.manage-classes-row input[type=checkbox]:checked:after{content:"";width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}.manage-classes-name{flex:1;font-weight:600;color:#2c3a4a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.manage-classes-count{font-size:12px;font-weight:600;color:#6b7686;background-color:#f0f3f7;padding:4px 10px;border-radius:50px;white-space:nowrap;flex-shrink:0}.manage-classes-row.checked .manage-classes-count{background-color:#fff;color:#5b97e9}.manage-classes-empty{font-family:Montserrat,sans-serif;font-size:13px;color:#888;padding:12px;background-color:#f7f7f7;border:1px dashed var(--ui-line-strong);border-radius:12px;margin:0}.manage-classes-error{font-family:Montserrat,sans-serif;font-size:13px;color:#e53935;margin:4px 0 0}.feeds-manager{animation:fadeIn .4s ease}.feeds-header{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:30px}.feeds-page-title{font-family:"Instrument Serif",serif;font-weight:400;font-size:42px;letter-spacing:-.01em;color:#111;line-height:1;margin:0}.feeds-page-sub{margin:8px 0 0;font-family:Nunito Sans,sans-serif;font-size:14px;color:#7a8492}.feeds-upload-screen{max-width:860px;margin:0 auto}.feeds-upload-screen-header{margin-bottom:24px}.feeds-back-btn{display:inline-flex;align-items:center;gap:8px;padding:0;margin-bottom:20px;border:none;background:transparent;color:#5b97e9;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;cursor:pointer}.feeds-back-btn:hover{color:#4a85d1}.feeds-upload-screen-header h2{margin:0 0 6px;color:#2c3a4a;font-family:Montserrat,sans-serif;font-size:26px;font-weight:700}.feeds-upload-screen-header p{margin:0;color:#6b7686;font-family:Nunito Sans,sans-serif;font-size:15px}.feeds-detail-screen{max-width:1040px;margin:0 auto}.feeds-detail-screen-header{margin-bottom:24px}.feeds-detail-overview{margin-bottom:16px;padding:20px;border:1px solid #edf0f4;border-radius:20px;background:#fff;box-shadow:0 6px 22px #2c3a4a0b}.feeds-detail-overview h3{margin:0 0 12px;color:#2c3a4a;font-family:Montserrat,sans-serif;font-size:14px;font-weight:700}.feeds-detail-heading-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.feeds-detail-heading-row h2{margin:0 0 6px;color:#2c3a4a;font-family:Montserrat,sans-serif;font-size:26px;font-weight:700}.feeds-detail-heading-row p{margin:0;color:#6b7686;font-family:Nunito Sans,sans-serif;font-size:15px}.feeds-manage-classes-btn{flex-shrink:0;padding:11px 18px;border:1px solid #ffe0b2;border-radius:50px;background-color:#fff3e0;color:#e65100;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:background-color .2s ease,transform .2s ease}.feeds-manage-classes-btn:hover{background-color:#ffe0b2;transform:translateY(-1px)}.feeds-detail-card,.feeds-upload-form-card{padding:28px;border:1px solid #edf0f4;border-radius:24px;background:#fff;box-shadow:0 8px 30px #2c3a4a0f}.upload-feed-btn{display:flex;align-items:center;gap:8px;padding:12px 22px;border:none;border-radius:50px;background-color:#5b97e9;color:#fff;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 6px 16px #5b97e952;transition:all .3s ease;flex-shrink:0}.upload-feed-btn:hover:not(:disabled){background-color:#4a85d1;transform:translateY(-1px)}.upload-feed-btn:disabled{opacity:.5;cursor:not-allowed}.feeds-loading{text-align:center;padding:40px;color:#666;font-family:Montserrat,sans-serif}.feeds-empty-state{text-align:center;padding:60px 20px;color:#666}.feeds-empty-icon{width:80px;height:80px;background-color:#f5f5f5;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:#999}.feeds-empty-state h3{font-family:Montserrat,sans-serif;font-size:18px;font-weight:600;color:#333;margin:0 0 8px}.feeds-empty-state p{font-family:Montserrat,sans-serif;font-size:14px;color:#666;margin:0}.feeds-class-section{margin-bottom:32px}.feeds-class-heading{display:flex;align-items:center;gap:10px;margin-bottom:16px}.feeds-class-swatch{width:22px;height:22px;border-radius:7px;flex-shrink:0}.feeds-class-name{font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;letter-spacing:.04em;color:#3a4452;margin:0}.feeds-class-name-other{color:#8a929d}.feeds-class-count{font-family:Montserrat,sans-serif;font-size:11px;color:#aeb6c2}.feeds-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.feed-card{position:relative;width:100%;background-color:#fff;border-radius:18px;padding:0;display:flex;flex-direction:column;border:1.5px solid #eaeef4;color:inherit;font:inherit;text-align:left;cursor:pointer;overflow:hidden;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.feed-card:hover{transform:translateY(-2px);box-shadow:0 10px 26px #1f407a1a;border-color:#5b97e98c}.feed-card:active{transform:translateY(0);box-shadow:0 3px 10px #2121210d}.feed-card:focus-visible{outline:none;border-color:#5b97e9;box-shadow:0 0 0 4px #5b97e92e,0 10px 24px #21212114}.feed-card-draft:hover,.feed-card-draft:focus-visible{border-color:#e8913aa8;box-shadow:0 0 0 3px #e8913a17,0 12px 26px #21212114}.feed-card-band{position:relative;height:70px;padding:14px 16px;overflow:hidden;flex-shrink:0}.feed-card-band-icon{position:absolute;left:14px;bottom:-14px;width:74px;height:74px;object-fit:contain;opacity:.9;filter:drop-shadow(0 2px 6px rgba(0,0,0,.18))}.feed-card-band-label{position:relative;display:block;text-align:right;font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fffffff2}.feed-card-ring{position:absolute;top:43px;right:16px;width:54px;height:54px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;z-index:3}.feed-card-ring svg{position:absolute;top:0;left:0;transform:rotate(-90deg)}.feed-card-ring span{position:relative;font-family:Montserrat,sans-serif;font-size:13px;font-weight:800}.feed-card-body{display:flex;flex-direction:column;align-items:flex-start;padding:16px 16px 15px;flex:1}.feed-card-metrics{width:100%;margin-top:12px}.feed-card-metric-head{display:flex;justify-content:space-between;font-family:Montserrat,sans-serif;font-size:11px;font-weight:600;margin-bottom:5px}.feed-card-metric-head span{color:#8a929d}.feed-card-metric-track{height:5px;border-radius:3px;overflow:hidden}.feed-card-metric-track span{display:block;height:100%;border-radius:3px;transition:width .4s ease}.feed-card-caption{font-family:Nunito Sans,sans-serif;font-size:11.5px;font-weight:600;color:#9aa3af;margin:9px 0 0}.feed-card-draft-note{font-family:Nunito Sans,sans-serif;font-size:12px;font-weight:700;color:#b07d2e;margin:12px 0 0}.feed-card.feed-card-highlighted{background-color:#e3f2fd;box-shadow:0 0 0 3px #5b97e9,0 4px 12px #5b97e94d;animation:feedHighlightPulse 2s ease-in-out infinite}.feed-card.feed-card-highlighted:hover{background-color:#d0e8fc}@keyframes feedHighlightPulse{0%,to{box-shadow:0 0 0 3px #5b97e9,0 4px 12px #5b97e94d}50%{box-shadow:0 0 0 5px #5b97e9,0 6px 20px #5b97e966}}.feed-title{font-family:Montserrat,sans-serif;font-size:14.5px;font-weight:600;color:#2c3a4a;min-height:38px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.3}.feed-status-badge{padding:3px 9px;margin-bottom:10px;border-radius:50px;font-family:Montserrat,sans-serif;font-size:9.5px;font-weight:700;flex-shrink:0;text-transform:uppercase;letter-spacing:.03em}.feed-status-badge.draft{background-color:#fff3e0;color:#e65100}.feed-status-badge.assigned{background-color:#e8f5e9;color:#2e7d32}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:600px){.feeds-header{flex-direction:column;gap:12px;align-items:stretch}.upload-feed-btn{width:100%;justify-content:center}.feeds-detail-heading-row{align-items:stretch;flex-direction:column;gap:16px}.feeds-manage-classes-btn{width:100%}.feeds-detail-card,.feeds-upload-form-card,.feeds-detail-overview{padding:20px;border-radius:18px}}.stats-modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.stats-modal{background-color:#fff;border-radius:30px;width:90%;max-width:600px;max-height:85vh;overflow:hidden;display:flex;flex-direction:column;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.stats-modal-header{display:flex;justify-content:space-between;align-items:center;padding:28px 30px 20px}.stats-modal-student-info{display:flex;flex-direction:column;gap:2px}.stats-modal-title{font-family:"Instrument Serif",serif;font-size:28px;font-weight:400;color:#000;margin:0}.stats-modal-email{font-family:Montserrat,sans-serif;font-size:13px;color:#888}.stats-modal-header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.stats-modal-reset-btn{font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:#5b97e9;background:#eaf2fc;border:1px solid #cfe0f6;padding:8px 14px;border-radius:50px;cursor:pointer;transition:all .2s ease;white-space:nowrap}.stats-modal-reset-btn:hover:not(:disabled){background:#dceaf9;border-color:#b6d2f0}.stats-modal-reset-btn:disabled{opacity:.6;cursor:not-allowed}.stats-modal-reset-msg{font-family:Montserrat,sans-serif;font-size:12px;margin-top:4px}.stats-modal-reset-msg-success{color:#16a34a}.stats-modal-reset-msg-error{color:#dc2626}.stats-modal-close{width:36px;height:36px;border:none;border-radius:50%;background-color:#f5f5f5;color:#666;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}.stats-modal-close:hover{background-color:#eee;color:#333}.stats-modal-content{padding:0 30px 30px;overflow-y:auto;flex:1}.stats-modal-loading,.stats-modal-empty{color:#999;font-family:Montserrat,sans-serif;font-size:14px;text-align:center;padding:40px 0;font-style:italic}.stats-modal-error{color:#e74c3c;font-family:Montserrat,sans-serif;font-size:14px;text-align:center;padding:20px 0}.stats-feed-list{display:flex;flex-direction:column;gap:20px}.stats-feed-item{background-color:#f7f7f7;border:1px solid var(--ui-line);border-radius:25px;padding:24px}.stats-feed-id{font-family:Montserrat,sans-serif;font-size:16px;font-weight:600;color:#333;margin-bottom:20px;word-break:break-word}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}.stats-stat-item{background-color:#fff;border:1px solid var(--ui-line);border-radius:18px;padding:14px 16px;display:flex;flex-direction:column;gap:6px}.stats-stat-label{font-family:Montserrat,sans-serif;font-size:11px;color:#999;text-transform:uppercase;letter-spacing:.3px;font-weight:500}.stats-stat-value{font-family:Montserrat,sans-serif;font-size:16px;font-weight:700;color:#333;line-height:1.3}.stats-stat-value-small{font-size:13px;font-weight:600}.stats-stat-value.good{color:#5b97e9}.stats-stat-value.medium{color:#ff9800}.stats-stat-value.poor{color:#e74c3c}.stats-accuracy-badge{display:inline-block;font-family:Montserrat,sans-serif;font-size:9px;font-weight:700;padding:3px 8px;border-radius:50px;margin-left:4px;text-transform:uppercase;vertical-align:middle}.stats-accuracy-badge.good{background-color:#5b97e91f;color:#5b97e9}.stats-accuracy-badge.medium{background-color:#ff98001f;color:#ff9800}.stats-accuracy-badge.poor{background-color:#e74c3c1f;color:#e74c3c}.stats-section-title{font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:#333;margin-bottom:10px}.stats-time-section,.stats-wrong-section{margin-top:16px}.stats-time-list{display:flex;flex-wrap:wrap;gap:8px}.stats-time-item{background-color:#fff;padding:8px 14px;border-radius:50px;font-family:Montserrat,sans-serif;font-size:12px;color:#5b97e9;font-weight:500}.stats-time-item strong{font-weight:700}.stats-wrong-list{display:flex;flex-direction:column;gap:8px}.stats-wrong-item{display:flex;align-items:flex-start;gap:12px;background-color:#fff;border-radius:18px;padding:14px 16px}.stats-wrong-count{font-family:Montserrat,sans-serif;font-weight:700;color:#e74c3c;font-size:14px;min-width:28px;flex-shrink:0}.stats-wrong-question{font-family:Montserrat,sans-serif;font-size:13px;color:#555;line-height:1.5;flex:1}@media(max-width:600px){.stats-modal{width:95%;max-height:90vh;border-radius:25px}.stats-modal-header{padding:22px 22px 16px}.stats-modal-title{font-size:24px}.stats-modal-content{padding:0 22px 22px}.stats-grid{grid-template-columns:1fr 1fr;gap:8px}.stats-stat-item{padding:12px 14px}.stats-stat-value{font-size:14px}}.performance{--perf-line: var(--ui-line, #e4e9f0);--perf-line-strong: var(--ui-line-strong, #cfd9e6);animation:perfFadeIn .3s ease}@keyframes perfFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.performance-tabs{display:inline-flex;gap:0;padding:4px;margin-bottom:28px;background:#f7f7f7;border:1px solid var(--perf-line);border-radius:50px;overflow-x:auto;-webkit-overflow-scrolling:touch}.performance-tab{padding:10px 18px;border:none;background:none;font-family:Montserrat,sans-serif;font-size:13px;font-weight:500;color:#888;cursor:pointer;border-radius:50px;transition:color .15s ease,background-color .2s ease,font-weight .15s ease;white-space:nowrap}.performance-tab:hover{color:#555}.performance-tab.active{color:#5b97e9;background:#5b97e926;font-weight:600}.performance-overall,.performance-class-stats,.performance-individual{animation:perfFadeIn .25s ease}.performance-empty{font-family:Montserrat,sans-serif;font-size:14px;color:#aaa;text-align:center;padding:60px 20px}.performance-error{font-family:Montserrat,sans-serif;font-size:14px;color:#e74c3c;background:#e74c3c0f;border-radius:14px;text-align:center;padding:20px}.perf-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}.perf-stat-card{display:flex;align-items:center;gap:16px;background:#f8f9fa;border-radius:18px;padding:22px 24px;transition:all .25s ease;border:1px solid var(--perf-line)}.perf-stat-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000000f;border-color:#e8e8e8}.perf-stat-icon{width:50px;height:50px;border-radius:14px;background:#5b97e91f;color:#5b97e9;display:flex;align-items:center;justify-content:center;flex-shrink:0}.perf-stat-icon-purple{background:#9370db1f;color:#9370db}.perf-stat-icon-green{background:#27ae601f;color:#27ae60}.perf-stat-content{display:flex;flex-direction:column;gap:2px}.perf-stat-value{font-family:"Instrument Serif",serif;font-size:34px;font-weight:400;color:#1a1a1a;line-height:1}.perf-stat-label{font-family:Montserrat,sans-serif;font-size:13px;color:#888;font-weight:500}.stats-overview-grid,.stats-overview-grid-4,.stats-overview-grid-3,.stats-overview-grid-2{display:grid;gap:16px;margin-bottom:28px}.stats-overview-grid-4{grid-template-columns:repeat(4,1fr)}.stats-overview-grid-3{grid-template-columns:repeat(3,1fr)}.stats-overview-grid-2{grid-template-columns:repeat(2,1fr)}.overview-card{background:#f8f9fa;border-radius:18px;padding:24px 20px;text-align:center;transition:all .25s ease;border:1px solid var(--perf-line)}.overview-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000000d;border-color:#e8e8e8}.overview-card-value{font-family:"Instrument Serif",serif;font-size:36px;font-weight:400;color:#1a1a1a;display:block;margin-bottom:6px;line-height:1}.overview-card-label{font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;color:#999;text-transform:uppercase;letter-spacing:.3px}.overview-card-alert{background:#e74c3c0f;border:1px solid rgba(231,76,60,.12)}.overview-card-alert .overview-card-value{color:#e74c3c}.overview-card-alert .overview-card-label{color:#c0392b}.perf-badge{display:inline-flex;align-items:center;padding:5px 14px;border-radius:50px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;white-space:nowrap;letter-spacing:.2px}.perf-badge-sm{padding:3px 10px;font-size:11px}.perf-badge-good{background:#22c55e1f;color:#16a34a}.perf-badge-ok{background:#f59e0b1f;color:#d97706}.perf-badge-poor{background:#e74c3c1f;color:#dc2626}.perf-badge-neutral{background:#f0f0f0;color:#999;font-weight:500}.perf-class-accuracy-chart{display:flex;flex-direction:column;gap:14px}.perf-class-accuracy-row{display:flex;flex-direction:column;gap:6px;cursor:pointer;padding:8px 12px;border-radius:12px;transition:background-color .2s ease}.perf-class-accuracy-row:hover{background-color:#f8f9fa}.perf-accuracy-track{flex:1;height:28px;background:#0000000a;border-radius:14px;overflow:hidden}.perf-accuracy-fill{height:100%;border-radius:14px;transition:width .8s cubic-bezier(.25,.46,.45,.94)}.perf-accuracy-good{background:linear-gradient(135deg,#22c55e,#4ade80)}.perf-accuracy-ok{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.perf-accuracy-poor{background:linear-gradient(135deg,#e74c3c,#f08a80)}.perf-accuracy-none{background:#0000000a}.perf-accuracy-value{font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;flex-shrink:0;min-width:60px;text-align:right}.perf-accuracy-good-text{color:#16a34a}.perf-accuracy-ok-text{color:#d97706}.perf-accuracy-poor-text{color:#e74c3c}.perf-struggling-section{margin-bottom:28px}.perf-struggling-list{display:flex;flex-direction:column;gap:8px}.perf-struggling-item{display:flex;align-items:center;gap:14px;padding:16px 20px;background:#e74c3c0a;border:1px solid rgba(231,76,60,.14);border-radius:24px;cursor:pointer;transition:all .2s ease}.perf-struggling-item:hover{background:#e74c3c14;transform:translateY(-1px);box-shadow:0 4px 12px #e74c3c14}.perf-struggling-avatar{background:#e74c3c1f!important;color:#e74c3c!important}.perf-struggling-info{display:flex;flex-direction:column;min-width:0;flex:1}.perf-struggling-meta{font-family:Montserrat,sans-serif;font-size:12px;color:#999;margin-top:2px}.perf-struggling-stats{display:flex;align-items:center;gap:10px;flex-shrink:0}.perf-struggling-detail{font-family:Montserrat,sans-serif;font-size:11px;color:#aaa}.perf-inactive-callout{display:flex;align-items:center;gap:12px;padding:16px 22px;background:#f59e0b0f;border:1px solid rgba(245,158,11,.15);border-radius:16px;margin-bottom:28px;font-family:Montserrat,sans-serif;font-size:13px;color:#92400e;font-weight:500}.perf-chart-card{background:#f8f9fa;border:1px solid var(--perf-line);border-radius:20px;padding:28px;margin-bottom:28px}.perf-chart-card-standalone{margin-bottom:28px}.perf-chart-title{font-family:Montserrat,sans-serif;font-size:16px;font-weight:700;color:#1a1a1a;margin:0 0 4px}.perf-chart-desc{font-family:Montserrat,sans-serif;font-size:13px;color:#999;margin:0 0 24px}.perf-stacked-chart{display:flex;flex-direction:column;gap:14px}.perf-stacked-row{display:flex;flex-direction:column;gap:6px}.perf-bar-label{font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:#444;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.perf-bar-label-class{font-weight:500;color:#9aa0a6}.perf-stacked-inline{display:flex;align-items:center;gap:12px}.perf-stacked-track{flex:1;height:28px;background:#0000000a;border-radius:14px;overflow:hidden;display:flex}.perf-stacked-fill-correct{height:100%;background:linear-gradient(135deg,#22c55e,#4ade80);transition:width .8s cubic-bezier(.25,.46,.45,.94)}.perf-stacked-fill-incorrect{height:100%;background:linear-gradient(135deg,#e74c3c,#f08a80);transition:width .8s cubic-bezier(.25,.46,.45,.94)}.perf-stacked-values{font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;white-space:nowrap;min-width:56px;text-align:right}.perf-stacked-correct{color:#16a34a}.perf-stacked-separator{color:#ccc;margin:0 2px}.perf-stacked-incorrect{color:#e74c3c}.perf-chart-legend{display:flex;gap:20px;margin-top:20px;padding-top:16px;border-top:1px solid rgba(0,0,0,.06)}.perf-legend-item{display:flex;align-items:center;gap:8px;font-family:Montserrat,sans-serif;font-size:12px;color:#888;font-weight:500}.perf-legend-dot{width:10px;height:10px;border-radius:50%}.perf-legend-correct{background:#22c55e}.perf-legend-incorrect{background:#e74c3c}.performance-section-title{font-family:Montserrat,sans-serif;font-size:17px;font-weight:700;color:#1a1a1a;margin:0 0 8px;display:flex;align-items:center}.class-stats-section-desc{font-family:Montserrat,sans-serif;font-size:13px;color:#999;margin:0 0 20px}.class-stats-section{margin-bottom:28px}.class-performance-list{margin-top:8px;margin-bottom:40px}.class-performance-list .class-perf-card:last-child{margin-bottom:32px}.class-perf-card{background:#f8f9fa;border-radius:32px;padding:22px 26px;margin-bottom:12px;transition:all .25s ease;border:1px solid var(--perf-line)}.class-perf-card-clickable{cursor:pointer}.class-perf-card-clickable:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000000f;border-color:#e0e0e0}.class-perf-header{display:flex;justify-content:space-between;align-items:center}.class-perf-info{display:flex;flex-direction:column;gap:4px;min-width:0}.class-perf-name{font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;color:#1a1a1a}.class-perf-meta{font-family:Montserrat,sans-serif;font-size:13px;color:#999}.class-perf-right{display:flex;align-items:center;gap:12px;flex-shrink:0}.class-perf-arrow{color:#ccc;display:flex;align-items:center;transition:all .2s ease}.class-perf-card-clickable:hover .class-perf-arrow{transform:translate(3px)}.perf-back-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid rgba(91,151,233,.24);border-radius:50px;background:#5b97e926;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:#5b97e9;cursor:pointer;margin-bottom:24px;transition:background-color .2s ease}.perf-back-btn:hover{background:#5b97e938}.class-stats-inline-header{margin-bottom:28px}.class-stats-inline-title{font-family:"Instrument Serif",serif;font-size:30px;font-weight:400;color:#1a1a1a;margin:0 0 4px}.class-stats-inline-subtitle{font-family:Montserrat,sans-serif;font-size:14px;color:#999}.perf-student-table-section{margin-bottom:28px}.perf-student-table{background:#f8f9fa;border:1px solid var(--perf-line);border-radius:20px;overflow:hidden}.perf-student-table-header{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:8px;padding:14px 24px;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;color:#aaa;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid rgba(0,0,0,.06)}.perf-student-table-row{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:8px;padding:14px 24px;align-items:center;cursor:pointer;transition:background-color .15s ease;border-bottom:1px solid rgba(0,0,0,.03)}.perf-student-table-row:last-child{border-bottom:none}.perf-student-table-row:hover{background:#5b97e90f}.perf-student-row-struggling{background:#e74c3c08}.perf-student-row-struggling:hover{background:#e74c3c12}.perf-col-student{display:flex;align-items:center;gap:12px;min-width:0}.perf-student-name-col{min-width:0;overflow:hidden}.perf-student-stat{font-family:Montserrat,sans-serif;font-size:13px;color:#555;font-weight:500}.perf-student-stat-muted{color:#ccc}.class-stats-wrong-list{display:flex;flex-direction:column;gap:10px}.class-stats-wrong-item{display:flex;gap:16px;background:#f8f9fa;border-radius:16px;padding:20px;transition:all .2s ease;border:1px solid var(--perf-line)}.class-stats-wrong-item:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0000000d;border-color:#e8e8e8}.class-stats-wrong-rank{font-family:Montserrat,sans-serif;font-size:14px;font-weight:700;color:#e74c3c;flex-shrink:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#e74c3c14;border-radius:10px}.class-stats-wrong-content{flex:1;min-width:0}.class-stats-wrong-question{font-family:Montserrat,sans-serif;font-size:14px;color:#333;line-height:1.5;margin-bottom:12px;word-wrap:break-word}.class-stats-wrong-meta{display:flex;flex-wrap:wrap;gap:8px}.class-stats-wrong-count,.class-stats-wrong-students,.class-stats-wrong-feed{font-family:Montserrat,sans-serif;font-size:11px;font-weight:600;padding:4px 12px;border-radius:50px}.class-stats-wrong-count{background:#e74c3c1a;color:#e74c3c}.class-stats-wrong-students{background:#5b97e91a;color:#5b97e9}.class-stats-wrong-feed{background:#f0f0f0;color:#666;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.individual-class-card{background:#f8f9fa;border-radius:26px;margin-bottom:12px;overflow:hidden;border:1px solid var(--perf-line);transition:border-color .2s ease}.individual-class-card:hover{border-color:#e8e8e8}.individual-class-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;transition:background-color .15s ease}.individual-class-header:hover{background:#00000005}.individual-class-name{font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;color:#1a1a1a}.individual-class-meta{display:flex;align-items:center;gap:12px}.individual-class-count{font-family:Montserrat,sans-serif;font-size:13px;color:#999;font-weight:500}.expand-icon{color:#bbb;display:flex;align-items:center;transition:transform .3s ease}.expand-icon.rotated{transform:rotate(180deg)}.individual-student-list{padding:0 16px 16px}.individual-student-list .perf-student-table{background:#fff;border-radius:18px}.individual-student-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;cursor:pointer;transition:background-color .15s ease}.individual-student-item:hover{background:#5b97e90f}.individual-student-struggling{background:#e74c3c0a!important;border-left:3px solid #e74c3c}.individual-student-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#e3f0ff,#d4e8ff);color:#5b97e9;display:flex;align-items:center;justify-content:center;font-family:Montserrat,sans-serif;font-size:15px;font-weight:700;flex-shrink:0}.individual-student-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.individual-student-name{font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#333}.individual-student-email{font-family:Montserrat,sans-serif;font-size:12px;color:#aaa;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.individual-student-indicators{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto;margin-right:8px}.individual-student-last-active{font-family:Montserrat,sans-serif;font-size:11px;color:#bbb;white-space:nowrap}.individual-student-arrow{color:#ccc;display:flex;align-items:center;flex-shrink:0;transition:all .2s ease}.individual-student-item:hover .individual-student-arrow{color:#5b97e9;transform:translate(3px)}.skeleton{background:linear-gradient(90deg,#eee 25%,#e0e0e0,#eee 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:8px;height:16px}.skeleton-text-lg{height:24px;border-radius:6px}.skeleton-text-sm{height:14px;border-radius:4px}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@media(max-width:900px){.perf-stats-row{grid-template-columns:1fr}.stats-overview-grid-4{grid-template-columns:repeat(2,1fr)}.stats-overview-grid-3{grid-template-columns:1fr 1fr}}@media(max-width:768px){.perf-student-table-header{display:none}.perf-student-table-row{grid-template-columns:1fr;gap:8px;padding:16px 20px}.perf-col-accuracy,.perf-col-questions,.perf-col-time,.perf-col-active{padding-left:52px}}@media(max-width:600px){.performance-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch}.performance-tab{padding:10px 16px;font-size:13px;white-space:nowrap}.stats-overview-grid-4,.stats-overview-grid-3,.stats-overview-grid-2{grid-template-columns:1fr 1fr}.overview-card{padding:18px 14px}.overview-card-value{font-size:28px}.perf-chart-card{padding:20px 16px;border-radius:16px}.class-stats-wrong-meta{flex-direction:column;gap:6px}.class-stats-wrong-feed{max-width:none}.individual-student-indicators{margin-left:0;margin-top:4px;padding-left:54px}.perf-struggling-item{flex-wrap:wrap}.perf-struggling-stats{width:100%;padding-left:54px;margin-top:-4px}}.exam-attempt-detail{display:flex;flex-direction:column;gap:18px}.exam-attempt-back{display:inline-flex;align-items:center;align-self:flex-start;gap:9px;padding:8px 11px 8px 8px;border:0;border-radius:10px;background:transparent;color:#617086;font:700 12px/1.2 Montserrat,sans-serif;cursor:pointer}.exam-attempt-back:hover{background:#eef4fc;color:#3d79c8}.exam-attempt-back:focus-visible{outline:2px solid #5b97e9;outline-offset:2px}.exam-attempt-back span{font-size:20px;font-weight:400}.exam-attempt-header{display:flex;align-items:center;gap:16px;padding:22px 24px;border:1px solid #e8ecf2;border-radius:22px;background:#fff}.exam-attempt-student-avatar{display:flex;align-items:center;justify-content:center;width:50px;height:50px;flex:0 0 auto;border-radius:50%;background:linear-gradient(135deg,#dcecff,#c9e0ff);color:#397bd5;font:800 15px/1 Montserrat,sans-serif}.exam-attempt-heading-copy{flex:1;min-width:0}.exam-attempt-eyebrow{display:block;margin-bottom:3px;color:#5b97e9;font:800 10px/1.2 Montserrat,sans-serif;letter-spacing:.5px;text-transform:uppercase}.exam-attempt-heading-copy h2{margin:0;color:#172033;font:400 28px/1.1 "Instrument Serif",serif}.exam-attempt-heading-copy p{margin:5px 0 0;color:#8390a1;font:500 11px/1.5 Montserrat,sans-serif}.exam-attempt-score{text-align:right}.exam-attempt-score strong{display:block;color:#18243a;font:400 31px/1 "Instrument Serif",serif}.exam-attempt-score span{display:block;margin-top:5px;color:#8994a4;font:600 10px/1.3 Montserrat,sans-serif}.exam-attempt-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.exam-attempt-metric{padding:16px;border:1px solid #e9edf2;border-radius:16px;background:#f8f9fb;text-align:center}.exam-attempt-metric strong{display:block;color:#26364f;font:400 25px/1 "Instrument Serif",serif}.exam-attempt-metric span{display:block;margin-top:6px;color:#929cab;font:700 9px/1.3 Montserrat,sans-serif;text-transform:uppercase}.exam-attempt-metric.tone-good strong{color:#16a34a}.exam-attempt-metric.tone-poor strong{color:#dc2626}.exam-attempt-paper-card,.exam-attempt-answer-review{padding:22px 24px 26px;border:1px solid #e8ecf2;border-radius:22px;background:#fff}.exam-attempt-paper-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.exam-attempt-paper-heading h3{margin:0;color:#1a1a1a;font:700 16px/1.3 Montserrat,sans-serif}.exam-attempt-paper-heading p{margin:4px 0 0;color:#929ba8;font:500 11px/1.45 Montserrat,sans-serif}.exam-attempt-readonly,.exam-attempt-answer-count{padding:6px 10px;border-radius:999px;background:#eef4fc;color:#4f82c7;font:700 10px/1 Montserrat,sans-serif;white-space:nowrap}.exam-attempt-loading{padding:60px;border-radius:16px;background:#f5f7fa;color:#8a95a5;text-align:center;font:600 13px/1.4 Montserrat,sans-serif}.exam-attempt-preview-wrap{padding:24px;border-radius:18px;background:#e9edf2}.exam-attempt-preview-sheet{width:min(100%,820px);min-height:900px;box-sizing:border-box;margin:0 auto;padding:54px 60px;background:#fff;box-shadow:0 16px 40px #18233429;color:#18202c}.exam-attempt-preview-header{padding-bottom:22px;border-bottom:2px solid #1f2937;text-align:center}.exam-attempt-preview-header span{font:700 11px/1.2 Montserrat,sans-serif;letter-spacing:1px;text-transform:uppercase}.exam-attempt-preview-header h3{margin:12px 0 5px;font:700 22px/1.3 Georgia,serif}.exam-attempt-preview-header p{margin:0;font:600 13px/1.4 Montserrat,sans-serif}.exam-attempt-preview-candidate{display:grid;grid-template-columns:auto 1fr auto 1fr;gap:8px 14px;margin:24px 0 30px;padding:14px;border:1px solid #cfd5dc;font:600 11px/1.4 Montserrat,sans-serif}.exam-attempt-preview-candidate span{color:#7a8490;text-transform:uppercase}.exam-attempt-preview-questions{display:flex;flex-direction:column;gap:26px}.exam-attempt-preview-question{break-inside:avoid}.exam-attempt-preview-question-line{display:flex;align-items:center;gap:9px;font:600 11px/1.4 Montserrat,sans-serif}.exam-attempt-preview-question-line strong{margin-right:auto;font-size:13px}.exam-attempt-preview-question>p{margin:8px 0 10px;font:400 13px/1.55 Georgia,serif}.exam-attempt-preview-answer{min-height:72px;padding:13px 16px;border:1px solid #cbd6e5;border-radius:4px;background:repeating-linear-gradient(#fff,#fff 27px,#dbe4ef 28px);color:#183a72;font:400 15px/28px Comic Sans MS,Bradley Hand,cursive;white-space:pre-wrap}.exam-attempt-preview-answer.empty{color:#a1a8b2;font-family:Montserrat,sans-serif;font-size:11px;font-style:italic}.exam-attempt-answer-list{display:flex;flex-direction:column;gap:10px}.exam-attempt-answer-item{padding:16px 18px;border:1px solid #edf0f4;border-radius:14px;background:#fafbfc}.exam-attempt-answer-meta{display:flex;align-items:center;gap:9px;color:#7d8897;font:600 10px/1.3 Montserrat,sans-serif}.exam-attempt-answer-meta strong{margin-right:auto;color:#27364e;font-size:12px}.exam-attempt-status{padding:4px 8px;border-radius:999px;background:#edf0f4;color:#687487;font:800 9px/1 Montserrat,sans-serif;text-transform:capitalize}.exam-attempt-status.status-correct{background:#e7f8ed;color:#15803d}.exam-attempt-status.status-incorrect{background:#fdeceb;color:#c0392b}.exam-attempt-status.status-ungraded{background:#fff5d8;color:#a16207}.exam-attempt-question-prompt{margin:8px 0 0;color:#788495;font:500 11px/1.5 Montserrat,sans-serif}.exam-attempt-answer-text{margin:10px 0 0;color:#2a3b54;font:500 13px/1.65 Montserrat,sans-serif;white-space:pre-wrap}.exam-attempt-feedback{margin:11px 0 0;padding:10px 12px;border-left:3px solid #8bb5ec;background:#f1f7ff;color:#5d6f87;font:500 11px/1.55 Montserrat,sans-serif}.exam-attempt-no-answers{padding:36px 20px;border-radius:14px;background:#f8f9fa;color:#99a2ae;text-align:center;font:600 12px/1.4 Montserrat,sans-serif}@media(max-width:760px){.exam-attempt-header{align-items:flex-start;flex-wrap:wrap}.exam-attempt-score{width:100%;padding-left:66px;text-align:left}.exam-attempt-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-attempt-paper-card,.exam-attempt-answer-review{padding:18px}.exam-attempt-preview-wrap{padding:10px}.exam-attempt-preview-sheet{min-height:0;padding:28px 24px}.exam-attempt-preview-candidate{grid-template-columns:auto 1fr}}.adaptive-student-detail-screen{width:100%}.adaptive-student-detail-panel{background:#fff;border:1px solid #eee;border-radius:24px;width:100%;overflow:hidden}.adaptive-modal-header{display:flex;align-items:center;justify-content:space-between;padding:24px 28px;border-bottom:1px solid rgba(0,0,0,.06)}.adaptive-modal-title{font-family:"Instrument Serif",serif;font-size:26px;font-weight:400;color:#1a1a1a;margin:0}.adaptive-student-detail-eyebrow{display:block;margin-bottom:5px;color:#5b97e9;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.adaptive-modal-email{font-family:Montserrat,sans-serif;font-size:13px;color:#999}.adaptive-modal-content{padding:24px 28px 32px}.adaptive-modal-empty{font-family:Montserrat,sans-serif;font-size:14px;color:#888;text-align:center;padding:48px 16px}.adaptive-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}.adaptive-stat{background:#f8f9fa;border-radius:16px;padding:18px 16px;text-align:center}.adaptive-stat-value{display:block;font-family:"Instrument Serif",serif;font-size:28px;color:#1a1a1a;line-height:1;margin-bottom:6px}.adaptive-stat-value.adaptive-stat-small{font-size:16px;font-family:Montserrat,sans-serif;font-weight:600}.adaptive-stat-good{color:#16a34a}.adaptive-stat-ok{color:#d97706}.adaptive-stat-poor{color:#dc2626}.adaptive-stat-label{font-family:Montserrat,sans-serif;font-size:11px;font-weight:600;color:#999;text-transform:uppercase;letter-spacing:.3px}.adaptive-two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:8px}.adaptive-mini-card{background:#f8f9fa;border-radius:16px;padding:18px}.adaptive-mini-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid rgba(0,0,0,.04)}.adaptive-mini-row:last-child{border-bottom:none}.adaptive-mini-label{font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:#333;display:flex;flex-direction:column}.adaptive-mini-empty{font-family:Montserrat,sans-serif;font-size:12px;color:#aaa;padding:8px 0}.adaptive-section{margin-top:28px}.adaptive-section-title{font-family:Montserrat,sans-serif;font-size:15px;font-weight:700;color:#1a1a1a;margin:0 0 4px}.adaptive-section-desc{font-family:Montserrat,sans-serif;font-size:12px;color:#999;margin:0 0 14px}.adaptive-feature-overview{display:grid;grid-template-areas:"exam feed match";grid-template-columns:minmax(150px,1fr) minmax(0,2fr) minmax(150px,1fr);gap:12px}.adaptive-feature-card{min-height:132px;padding:18px;border:1px solid rgba(91,151,233,.12);border-radius:16px;background:#f8f9fa;display:flex;flex-direction:column;justify-content:space-between;gap:14px}.adaptive-feature-card-exam{grid-area:exam;background:linear-gradient(135deg,#5b97e91a,#5b97e906);border-color:#5b97e933}.adaptive-feature-card-exam .adaptive-feature-card-label{color:#253653}.adaptive-feature-card-feed{grid-area:feed}.adaptive-feature-card-match{grid-area:match}.adaptive-feature-card-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;color:#253653}.adaptive-feature-card-label{font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;color:#617087}.adaptive-feature-feed-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.adaptive-feature-feed-item{min-width:0;padding:10px;border-radius:12px;background:#ffffffd1;display:flex;flex-direction:column;gap:7px}.adaptive-feature-feed-item>span:first-child{min-height:26px;font-family:Montserrat,sans-serif;font-size:10px;font-weight:600;line-height:1.3;color:#78869a}.adaptive-feature-metric{display:inline-flex;align-items:center;flex-wrap:wrap;gap:6px}.adaptive-feature-metric-large{flex-direction:column;align-items:flex-start;gap:7px}.adaptive-feature-metric-large .adaptive-badge{padding:6px 13px;font-size:15px}.adaptive-feature-evidence{font-family:Montserrat,sans-serif;font-size:10px;font-weight:600;color:#9aa5b4;white-space:nowrap}.adaptive-feature-no-data{font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#b5bdc8}.adaptive-feature-table-scroll{width:100%;border-radius:16px;overflow-x:auto;background:#f8f9fa}.adaptive-feature-table{min-width:910px}.adaptive-feature-row{display:grid;grid-template-columns:minmax(210px,2fr) repeat(6,minmax(90px,1fr));gap:8px;align-items:center;min-height:62px;padding:10px 18px;border-bottom:1px solid rgba(0,0,0,.045);font-family:Montserrat,sans-serif;font-size:12px}.adaptive-feature-row:last-child{border-bottom:none}.adaptive-feature-row-header{min-height:46px;color:#9aa4b1;font-size:10px;font-weight:700;letter-spacing:.3px;text-transform:uppercase}.adaptive-feature-topic{display:flex;flex-direction:column;min-width:0}.adaptive-feature-topic-title{color:#333;font-size:13px;font-weight:600}.adaptive-feature-topic-subtitle{margin-top:2px;color:#5b97e9;font-size:10px;font-weight:600}.adaptive-feature-cell{display:flex;align-items:center}.adaptive-feature-empty{padding:24px;border-radius:16px;background:#f8f9fa;color:#aaa;font-family:Montserrat,sans-serif;font-size:12px;text-align:center}.adaptive-topic-table{background:#f8f9fa;border-radius:16px;overflow:hidden}.adaptive-topic-row{display:grid;grid-template-columns:2.4fr 1fr .8fr .8fr 1.4fr;gap:8px;align-items:center;padding:12px 18px;border-bottom:1px solid rgba(0,0,0,.04);font-family:Montserrat,sans-serif;font-size:13px}.adaptive-topic-row:last-child{border-bottom:none}.adaptive-topic-row-header{font-size:11px;font-weight:700;color:#aaa;text-transform:uppercase;letter-spacing:.4px}.adaptive-col-topic{display:flex;flex-direction:column;min-width:0}.adaptive-topic-label{font-weight:600;color:#333}.adaptive-topic-sub{font-size:11px;color:#5b97e9;font-weight:600}.adaptive-topic-subject{font-size:11px;color:#aaa}.adaptive-cell-muted{color:#777}.adaptive-badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:50px;font-size:12px;font-weight:700}.adaptive-need-bar{display:flex;align-items:center;gap:8px}.adaptive-need-track{flex:1;height:8px;background:#0000000f;border-radius:6px;overflow:hidden}.adaptive-need-fill{display:block;height:100%;border-radius:6px}.adaptive-need-good{background:linear-gradient(135deg,#22c55e,#4ade80)}.adaptive-need-ok{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.adaptive-need-poor{background:linear-gradient(135deg,#e74c3c,#f08a80)}.adaptive-need-value{font-size:12px;font-weight:700;color:#666;min-width:22px;text-align:right}.adaptive-pair-item{display:flex;flex-direction:column;background:#f8f9fa;border-radius:12px;padding:12px 16px;margin-bottom:8px}.adaptive-pair-word{font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#333}.adaptive-pair-meta{font-family:Montserrat,sans-serif;font-size:12px;color:#888;margin-top:2px}.adaptive-activity-list{display:flex;flex-direction:column}.adaptive-activity-item{display:flex;align-items:center;gap:10px;padding:8px 0;font-family:Montserrat,sans-serif;font-size:13px;border-bottom:1px solid rgba(0,0,0,.04)}.adaptive-activity-item:last-child{border-bottom:none}.adaptive-activity-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;background:#ccc}.adaptive-activity-answer{background:#5b97e9}.adaptive-activity-skip{background:#f59e0b}.adaptive-activity-main{flex:1;color:#444;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.adaptive-activity-time{color:#aaa;font-size:12px;white-space:nowrap}@media(max-width:640px){.adaptive-student-detail-panel{border-radius:18px}.adaptive-modal-header{padding:21px 20px 17px}.adaptive-modal-content{padding:20px 20px 26px}.adaptive-stat-grid{grid-template-columns:repeat(2,1fr)}.adaptive-two-col{grid-template-columns:1fr}.adaptive-feature-overview{grid-template-areas:"exam match" "feed feed";grid-template-columns:repeat(2,minmax(0,1fr))}.adaptive-topic-row{grid-template-columns:2fr 1fr 1.2fr}.adaptive-topic-row>span:nth-child(3),.adaptive-topic-row>span:nth-child(4){display:none}}@media(max-width:430px){.adaptive-feature-feed-grid{grid-template-columns:1fr}.adaptive-feature-feed-item{flex-direction:row;align-items:center;justify-content:space-between}.adaptive-feature-feed-item>span:first-child{min-height:0}}.adaptive-insights{--adaptive-line: var(--ui-line, #e4e9f0);display:flex;flex-direction:column;gap:20px}.adaptive-empty-state{font-family:Montserrat,sans-serif;font-size:14px;color:#888;text-align:center;padding:64px 24px;background:#f8f9fa;border:1px dashed var(--adaptive-line);border-radius:20px}.adaptive-toolbar{display:flex;align-items:center;gap:12px}.adaptive-toolbar-label{font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;color:#999;text-transform:uppercase;letter-spacing:.4px}.adaptive-class-picker{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}.adaptive-class-chip{display:inline-flex;align-items:center;gap:9px;padding:9px 14px 9px 12px;border-radius:50px;border:1px solid var(--adaptive-line);background:#fff;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:#555;cursor:pointer;transition:border-color .15s ease,background .15s ease,color .15s ease,box-shadow .15s ease,transform .15s ease}.adaptive-class-chip:hover{border-color:#d8dde6;box-shadow:0 2px 8px #141e3712;transform:translateY(-1px)}.adaptive-class-chip:focus-visible{outline:2px solid #5b97e9;outline-offset:2px}.adaptive-class-chip.active{background:#16233b;border-color:#16233b;color:#fff;box-shadow:0 4px 12px #16233b38}.adaptive-class-chip-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 2.5px #ffffffd9 inset}.adaptive-class-chip.active .adaptive-class-chip-dot{box-shadow:0 0 0 2px #ffffff40}.adaptive-class-chip-name{white-space:nowrap;max-width:220px;overflow:hidden;text-overflow:ellipsis}.adaptive-class-chip-count{font-size:11px;font-weight:700;padding:2px 7px;border-radius:50px;background:#f1f3f7;color:#8a93a3}.adaptive-class-chip.active .adaptive-class-chip-count{background:#ffffff29;color:#ffffffe6}.adaptive-card{background:#fff;border:1px solid var(--adaptive-line);border-radius:22px;padding:24px 26px}.adaptive-card-title{font-family:Montserrat,sans-serif;font-size:17px;font-weight:700;color:#1a1a1a;margin:0 0 4px}.adaptive-card-desc{font-family:Montserrat,sans-serif;font-size:12px;color:#999;margin:0 0 18px}.adaptive-response-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.adaptive-response-heading .adaptive-card-desc{margin-bottom:24px}.adaptive-response-toggle{display:inline-flex;flex-shrink:0;gap:3px;padding:4px;border:1px solid var(--adaptive-line);border-radius:50px;background:#f0f2f5}.adaptive-response-toggle-button{padding:8px 14px;border:0;border-radius:50px;background:transparent;color:#7b8492;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;cursor:pointer;transition:background .15s ease,color .15s ease,box-shadow .15s ease}.adaptive-response-toggle-button:hover{color:#36445a}.adaptive-response-toggle-button:focus-visible{outline:2px solid #5b97e9;outline-offset:2px}.adaptive-response-toggle-button.active{background:#fff;color:#17233a;box-shadow:0 2px 8px #1c2a431a}.adaptive-response-chart{display:flex;flex-direction:column;gap:14px}.adaptive-response-row{display:flex;flex-direction:column;border-radius:16px;transition:background .18s ease,box-shadow .18s ease}.adaptive-response-row.expanded{background:#f7f9fc;box-shadow:inset 0 0 0 1px #e6ebf2}.adaptive-response-bar-button{display:flex;flex-direction:column;gap:6px;width:100%;padding:4px 0;border:0;border-radius:12px;background:transparent;text-align:left;cursor:pointer}.adaptive-response-row.expanded .adaptive-response-bar-button{padding:14px 16px 10px}.adaptive-response-bar-button:hover .adaptive-response-label,.adaptive-response-bar-button:hover .adaptive-response-expand-copy{color:#3f7fcf}.adaptive-response-bar-button:focus-visible{outline:2px solid #5b97e9;outline-offset:3px}.adaptive-response-label-line{display:flex;align-items:center;justify-content:space-between;gap:16px}.adaptive-response-label{overflow:hidden;color:#444;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.adaptive-response-expand-copy{display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;color:#9aa3b0;font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;transition:color .15s ease}.adaptive-response-chevron{display:inline-block;font-size:15px;line-height:1;transition:transform .2s ease}.adaptive-response-row.expanded .adaptive-response-chevron{transform:rotate(180deg)}.adaptive-response-inline{display:flex;align-items:center;gap:12px}.adaptive-response-track{display:flex;flex:1;height:28px;overflow:hidden;border-radius:14px;background:#0000000a}.adaptive-response-correct-fill,.adaptive-response-incorrect-fill{display:block;height:100%;transition:width .8s cubic-bezier(.25,.46,.45,.94)}.adaptive-response-correct-fill{background:linear-gradient(135deg,#22c55e,#4ade80)}.adaptive-response-incorrect-fill{background:linear-gradient(135deg,#e74c3c,#f08a80)}.adaptive-response-values{min-width:56px;color:#444;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;text-align:right;white-space:nowrap}.adaptive-response-correct{color:#16a34a}.adaptive-response-separator{margin:0 2px;color:#ccc}.adaptive-response-incorrect{color:#e74c3c}.adaptive-response-legend{display:flex;gap:20px;margin-top:20px;padding-top:16px;border-top:1px solid rgba(0,0,0,.06)}.adaptive-response-legend>span{display:inline-flex;align-items:center;gap:8px;color:#888;font-family:Montserrat,sans-serif;font-size:12px;font-weight:500}.adaptive-response-dot{width:10px;height:10px;border-radius:50%}.adaptive-response-dot.correct{background:#22c55e}.adaptive-response-dot.incorrect{background:#e74c3c}.adaptive-response-empty{padding:34px 20px;border-radius:16px;background:#f8f9fa;border:1px dashed var(--adaptive-line);color:#9aa1ac;font-family:Montserrat,sans-serif;font-size:13px;text-align:center}.adaptive-response-students{margin:4px 16px 16px;overflow:hidden;border:1px solid #e5eaf1;border-radius:14px;background:#fff;animation:adaptive-response-expand .2s ease-out}@keyframes adaptive-response-expand{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.adaptive-response-students-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border-bottom:1px solid #edf0f4;background:#fbfcfd;font-family:Montserrat,sans-serif}.adaptive-response-students-heading>div{display:flex;flex-direction:column;gap:2px}.adaptive-response-students-heading strong{color:#344258;font-size:11px}.adaptive-response-students-heading span{color:#96a0ae;font-size:9px;font-weight:600}.adaptive-response-student-list{max-height:390px;overflow-y:auto}.adaptive-response-student-row{display:grid;grid-template-columns:minmax(180px,2fr) minmax(82px,.8fr) 65px 58px minmax(70px,.65fr);gap:10px;align-items:center;width:100%;box-sizing:border-box;padding:11px 16px;border:0;border-bottom:1px solid #f0f2f5;background:transparent;color:#647184;font-family:Montserrat,sans-serif;font-size:10px;text-align:left}.adaptive-response-student-row:last-child{border-bottom:0}.adaptive-response-student-row.clickable{cursor:pointer;transition:background .15s ease}.adaptive-response-student-row.clickable:hover{background:#f3f8ff}.adaptive-response-student-row.clickable:focus-visible{outline:2px solid #5b97e9;outline-offset:-2px}.adaptive-response-student-person{display:flex;align-items:center;gap:10px;min-width:0}.adaptive-response-student-avatar{display:flex;align-items:center;justify-content:center;width:30px;height:30px;flex:0 0 auto;border-radius:50%;background:linear-gradient(135deg,#e3f0ff,#d4e8ff);color:#4f8fdc;font-size:11px;font-weight:800}.adaptive-response-student-person>span:last-child{display:flex;flex-direction:column;min-width:0}.adaptive-response-student-person strong{overflow:hidden;color:#334158;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.adaptive-response-student-person small{overflow:hidden;margin-top:2px;color:#a0a8b4;font-size:8px;text-overflow:ellipsis;white-space:nowrap}.adaptive-response-student-attempts{color:#7f8998;font-weight:600}.adaptive-response-student-split{white-space:nowrap}.adaptive-response-student-split .correct{color:#16a34a;font-weight:700}.adaptive-response-student-split .incorrect{color:#e74c3c;font-weight:700}.adaptive-response-student-accuracy{justify-self:start;padding:4px 8px;border-radius:999px;background:#eff1f4;color:#8a94a3;font-weight:800}.adaptive-response-student-accuracy.good{background:#e7f8ed;color:#15803d}.adaptive-response-student-accuracy.ok{background:#fff4d7;color:#a16207}.adaptive-response-student-accuracy.poor{background:#fdeceb;color:#c0392b}.adaptive-response-student-open{justify-self:end;color:#4f86cc;font-weight:700;white-space:nowrap}.adaptive-response-student-row:not(.clickable) .adaptive-response-student-open{color:#b1b8c2}.adaptive-response-student-empty{padding:28px;color:#99a2ae;text-align:center;font:600 11px/1.4 Montserrat,sans-serif}.adaptive-direction-headline{font-family:Montserrat,sans-serif;font-size:15px;color:#444;margin:6px 0 20px;line-height:1.5}.adaptive-direction-headline strong{color:#1a1a1a}.adaptive-direction-desc{max-width:760px;margin-top:5px}.adaptive-focus-list{display:flex;flex-direction:column;gap:10px}.adaptive-focus-item{display:flex;align-items:center;gap:16px;background:#f8f9fa;border-radius:16px;padding:14px 18px;width:100%;border:1px solid var(--adaptive-line);font:inherit;text-align:left;cursor:pointer;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease,transform .15s ease}.adaptive-focus-item:hover{background:#fff;border-color:#dce8f8;box-shadow:0 7px 20px #264e8217;transform:translateY(-1px)}.adaptive-focus-item:focus-visible{outline:2px solid #5b97e9;outline-offset:2px}.adaptive-focus-rank{font-family:Montserrat,sans-serif;font-size:14px;font-weight:700;color:#5b97e9;width:30px;flex-shrink:0}.adaptive-focus-info{flex:1;display:flex;flex-direction:column;min-width:0}.adaptive-focus-label{font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#333}.adaptive-focus-meta{font-family:Montserrat,sans-serif;font-size:12px;color:#999;margin-top:2px}.adaptive-focus-bar{display:flex;align-items:center;gap:10px;width:200px;flex-shrink:0}.adaptive-focus-track{flex:1;height:10px;background:#0000000f;border-radius:6px;overflow:hidden}.adaptive-focus-fill{display:block;height:100%;border-radius:6px;transition:width .6s ease}.adaptive-fill-good{background:linear-gradient(135deg,#22c55e,#4ade80)}.adaptive-fill-ok{background:linear-gradient(135deg,#f59e0b,#fbbf24)}.adaptive-fill-poor{background:linear-gradient(135deg,#e74c3c,#f08a80)}.adaptive-fill-neutral{background:#ccc}.adaptive-focus-open{color:#a7b2c1;font-size:25px;line-height:1;transition:color .15s ease,transform .15s ease}.adaptive-focus-item:hover .adaptive-focus-open{color:#5b97e9;transform:translate(2px)}.adaptive-detail-screen{display:flex;flex-direction:column;gap:14px}.adaptive-detail-back{display:inline-flex;align-items:center;align-self:flex-start;gap:9px;padding:8px 11px 8px 8px;border:0;border-radius:10px;background:transparent;color:#617086;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;cursor:pointer;transition:background .15s ease,color .15s ease,transform .15s ease}.adaptive-detail-back:hover{background:#eef4fc;color:#3d79c8;transform:translate(-2px)}.adaptive-detail-back:focus-visible{outline:2px solid #5b97e9;outline-offset:2px}.adaptive-detail-back-arrow{font-size:20px;font-weight:400;line-height:.8}.adaptive-direction-panel{width:100%;overflow:hidden;background:#fff;border:1px solid var(--adaptive-line);border-radius:24px}.adaptive-direction-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:24px 28px 20px;border-bottom:1px solid #edf0f4}.adaptive-direction-eyebrow{display:block;margin-bottom:5px;color:#5b97e9;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.adaptive-direction-modal-title{margin:0;color:#172033;font-family:"Instrument Serif",serif;font-size:29px;font-weight:400;line-height:1.1}.adaptive-direction-modal-subtitle{margin:4px 0 0;color:#6f7d91;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600}.adaptive-direction-modal-content{padding:22px 28px 30px;color:#465267;font-family:Montserrat,sans-serif}.adaptive-direction-intro{margin:0 0 18px;color:#6f7d91;font-size:12px;line-height:1.55}.adaptive-direction-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.adaptive-direction-metric{min-width:0;padding:16px 14px;border:1px solid #edf0f4;border-radius:15px;background:#f8f9fb}.adaptive-direction-metric strong{display:block;overflow:hidden;margin-bottom:6px;color:#1c2a40;font-family:"Instrument Serif",serif;font-size:25px;font-weight:400;line-height:1;text-overflow:ellipsis;white-space:nowrap}.adaptive-direction-metric .adaptive-direction-metric-good{color:#16a34a}.adaptive-direction-metric .adaptive-direction-metric-ok{color:#d97706}.adaptive-direction-metric .adaptive-direction-metric-poor{color:#dc2626}.adaptive-direction-metric span{display:block;color:#8a95a5;font-size:10px;font-weight:700;line-height:1.35;text-transform:uppercase}.adaptive-direction-section{margin-top:24px;padding-top:22px;border-top:1px solid #edf0f4}.adaptive-direction-section h4{margin:0 0 6px;color:#172033;font-size:14px;font-weight:700}.adaptive-direction-section p{margin:0;color:#69768a;font-size:12px;line-height:1.65}.adaptive-direction-section p strong{color:#344258}.adaptive-direction-definition{margin-top:16px;padding:17px 18px;border:1px solid #dce8f8;border-radius:15px;background:#f3f8ff}.adaptive-priority-factors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.adaptive-priority-factor{min-width:0;padding:14px;border:1px solid #edf0f4;border-radius:14px}.adaptive-priority-factor-top{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#415069;font-size:11px;font-weight:700}.adaptive-priority-factor-top strong{color:#22324b;font-size:12px}.adaptive-priority-factor-track{height:6px;margin:10px 0;overflow:hidden;border-radius:10px;background:#edf0f4}.adaptive-priority-factor-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#5b97e9,#7bb0f3)}.adaptive-priority-factor-detail,.adaptive-priority-weight{display:block;color:#8a95a5;font-size:10px;line-height:1.45}.adaptive-priority-weight{margin-top:4px;color:#5b97e9;font-weight:700}.adaptive-direction-section .adaptive-priority-formula{margin-top:12px}.adaptive-study-signals{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.adaptive-study-signal{padding:7px 10px;border-radius:50px;background:#f2f4f7;color:#657287;font-size:10px;font-weight:600;white-space:nowrap}.adaptive-study-signal strong{color:#3a4b65}.adaptive-evidence-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px}.adaptive-evidence-metric{padding:12px;border-radius:12px;background:#f8f9fb;text-align:center}.adaptive-evidence-metric strong{display:block;margin-bottom:4px;color:#26364f;font-family:"Instrument Serif",serif;font-size:21px;font-weight:400}.adaptive-evidence-metric .adaptive-evidence-value-small{padding-top:3px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700}.adaptive-evidence-metric span{color:#929cab;font-size:9px;font-weight:700;text-transform:uppercase}.adaptive-badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:50px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;white-space:nowrap}.adaptive-badge-good{background:#22c55e1f;color:#16a34a}.adaptive-badge-ok{background:#f59e0b1f;color:#d97706}.adaptive-badge-poor{background:#e74c3c1f;color:#dc2626}.adaptive-badge-neutral{background:#f0f0f0;color:#999}.adaptive-breakdown-table{background:#f8f9fa;border-radius:16px;overflow:hidden}.adaptive-breakdown-row{display:grid;grid-template-columns:2.6fr 1.1fr 1fr 1fr .7fr;gap:8px;align-items:center;padding:13px 20px;border-bottom:1px solid rgba(0,0,0,.04);font-family:Montserrat,sans-serif;font-size:13px}.adaptive-breakdown-row:last-child{border-bottom:none}.adaptive-breakdown-header{font-size:11px;font-weight:700;color:#aaa;text-transform:uppercase;letter-spacing:.4px}.adaptive-bd-topic{display:flex;flex-direction:column;min-width:0}.adaptive-bd-label{font-weight:600;color:#333}.adaptive-bd-sub{font-size:11px;color:#5b97e9;font-weight:600}.adaptive-bd-muted{color:#777}.adaptive-bd-need{font-weight:700;color:#444}.adaptive-student-table{background:#f8f9fa;border-radius:16px;overflow:hidden}.adaptive-student-row{display:grid;grid-template-columns:2.4fr 1fr 1fr 1.6fr;gap:8px;align-items:center;width:100%;text-align:left;padding:12px 20px;border:none;border-bottom:1px solid rgba(0,0,0,.04);background:transparent;font-family:Montserrat,sans-serif;font-size:13px;cursor:pointer;transition:background .15s ease}.adaptive-student-row:last-child{border-bottom:none}button.adaptive-student-row:hover:not(:disabled){background:#5b97e90f}.adaptive-student-struggling{background:#e74c3c08}.adaptive-student-nodata{cursor:default;opacity:.7}.adaptive-student-header{font-size:11px;font-weight:700;color:#aaa;text-transform:uppercase;letter-spacing:.4px;cursor:default}.adaptive-sort-button{display:inline-flex;align-items:center;justify-content:flex-start;gap:5px;width:fit-content;min-width:0;padding:3px 0;border:none;background:transparent;color:inherit;font:inherit;text-transform:inherit;letter-spacing:inherit;cursor:pointer;transition:color .15s ease}.adaptive-sort-button:hover,.adaptive-sort-button.active{color:#4f8fe8}.adaptive-sort-button:focus-visible{outline:2px solid rgba(91,151,233,.55);outline-offset:3px;border-radius:3px}.adaptive-sort-indicator{font-size:13px;line-height:1}.adaptive-st-name{display:flex;align-items:center;gap:12px;min-width:0}.adaptive-st-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#e3f0ff,#d4e8ff);color:#5b97e9;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}.adaptive-st-namecol{display:flex;flex-direction:column;min-width:0}.adaptive-st-fullname{font-weight:600;color:#333}.adaptive-st-email{font-size:11px;color:#aaa;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.adaptive-st-weak{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.adaptive-st-nodata-tag{font-size:12px;color:#bbb}@media(max-width:900px){.adaptive-focus-bar{width:120px}}@media(max-width:700px){.adaptive-response-heading{flex-direction:column;gap:12px}.adaptive-response-heading .adaptive-card-desc{margin-bottom:0}.adaptive-response-toggle{align-self:stretch}.adaptive-response-toggle-button{flex:1}.adaptive-response-expand-copy{font-size:0}.adaptive-response-expand-copy .adaptive-response-chevron{font-size:16px}.adaptive-response-students{margin:4px 8px 10px}.adaptive-response-students-heading{align-items:flex-start;flex-direction:column;gap:5px}.adaptive-response-student-row{grid-template-columns:minmax(140px,1fr) 54px 64px;padding:10px 12px}.adaptive-response-student-attempts,.adaptive-response-student-split{display:none}.adaptive-response-student-open{font-size:0}.adaptive-response-student-open:after{content:"›";font-size:16px}.adaptive-breakdown-row{grid-template-columns:2fr 1.2fr .9fr}.adaptive-breakdown-row>span:nth-child(4),.adaptive-breakdown-row>span:nth-child(5){display:none}.adaptive-student-row{grid-template-columns:2fr 1fr .8fr}.adaptive-st-weak{display:none}.adaptive-focus-item{position:relative;flex-wrap:wrap;padding-right:44px}.adaptive-focus-bar{width:100%}.adaptive-focus-open{position:absolute;right:16px}.adaptive-direction-panel{border-radius:18px}.adaptive-direction-modal-header{padding:21px 20px 17px}.adaptive-direction-modal-content{padding:18px 20px 26px}.adaptive-direction-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.adaptive-priority-factors{grid-template-columns:1fr}.adaptive-evidence-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.live-rooms-panel{animation:fadeIn .4s ease;font-family:Montserrat,sans-serif;--lr-brand: #5b97e9;--lr-brand-dark: #4a86d8;--lr-brand-50: #eaf2fc;--lr-ink: #111827;--lr-ink-2: #1f2937;--lr-muted: #6b7280;--lr-muted-2: #9ca3af;--lr-hair: #e5e7eb;--lr-hair-soft: #f3f4f6;--lr-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace}.live-rooms-error{background:#fef2f2;color:#991b1b;padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.live-rooms-empty{background:#fafafa;border:1px dashed #d9d9d9;border-radius:12px;padding:48px 24px;text-align:center;color:#666}.live-rooms-empty--small{padding:24px;font-size:14px}.live-rooms-empty-hint{margin-top:8px;font-size:13px;color:#999}.l3-header{padding-bottom:18px;border-bottom:1px solid var(--lr-hair);margin-bottom:22px}.l3-title{font-family:"Instrument Serif",serif;font-weight:400;font-size:44px;line-height:1;color:var(--lr-ink);margin:0}.l3-tagline{font-family:Nunito Sans,Montserrat,sans-serif;font-size:14px;color:var(--lr-muted);margin:8px 0 0;max-width:64ch}.l3-hero{background:linear-gradient(135deg,#f0f6ff,#fafbff 60%,#fdfaf3);border:1px solid #dbeafe;border-radius:24px;padding:24px 28px;margin-bottom:28px;position:relative;overflow:visible}.l3-hero-glow{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:24px;overflow:hidden;pointer-events:none;z-index:0}.l3-hero-glow:before{content:"";position:absolute;right:-100px;top:-140px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(91,151,233,.16) 0%,transparent 70%)}.l3-launcher{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:16px;align-items:end;position:relative;z-index:1;min-width:0}.l3-field{display:flex;flex-direction:column;gap:6px;min-width:0;position:relative}.l3-field label{font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--lr-muted)}.l3-select{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff;border:1px solid var(--lr-hair);border-radius:12px;padding:10px 14px;font-family:Montserrat,sans-serif;font-size:14px;font-weight:500;color:var(--lr-ink);min-height:48px;width:100%;text-align:left;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease}.l3-select:hover:not(:disabled){border-color:#c7dcf6;box-shadow:0 1px 4px #5b97e914}.l3-select:disabled{opacity:.6;cursor:not-allowed}.l3-chev{color:var(--lr-muted);flex-shrink:0}.l3-feed-pick{display:flex;align-items:center;gap:10px;min-width:0}.l3-feed-thumb{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#5b97e9,#4a86d8);color:#fff;display:grid;place-items:center;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;flex-shrink:0}.l3-feed-title{font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:var(--lr-ink);line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:22ch}.l3-feed-meta{font-family:Montserrat,sans-serif;font-size:11px;color:var(--lr-muted);margin-top:2px}.l3-duration{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--lr-hair);border-radius:12px;padding:4px 14px 4px 4px;min-height:48px}.l3-duration-presets{display:flex;gap:2px;flex:1}.l3-duration-presets span{flex:1;text-align:center;padding:8px 0;border-radius:8px;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;color:var(--lr-muted);cursor:pointer;-webkit-user-select:none;user-select:none}.l3-duration-presets span:hover{background:var(--lr-hair-soft)}.l3-duration-presets span.active,.l3-duration-presets span.active:hover{background:var(--lr-brand);color:#fff}.l3-duration-unit{font-family:Montserrat,sans-serif;font-size:12px;color:var(--lr-muted);font-weight:600}.l3-duration-presets span.l3-duration-extra{flex:0 0 auto;padding:8px 10px;font-size:12px}.l3-duration-presets span.l3-duration-extra--unlimited{font-size:16px;padding:6px 10px;line-height:1}.l3-duration-custom{display:flex;align-items:center;flex:1;gap:6px;padding-left:10px}.l3-duration-custom input{width:70px;padding:8px 10px;border-radius:8px;border:1px solid var(--lr-hair);font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:var(--lr-ink);background:#fff;-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}.l3-duration-custom input::-webkit-outer-spin-button,.l3-duration-custom input::-webkit-inner-spin-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin:0}.l3-duration-custom input:focus{outline:none;border-color:var(--lr-brand);box-shadow:0 0 0 3px #5b97e92e}.l3-duration-custom-cancel{margin-left:auto;border:none;background:transparent;color:var(--lr-muted);font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;cursor:pointer;padding:6px 8px;border-radius:6px}.l3-duration-custom-cancel:hover{background:var(--lr-hair-soft);color:var(--lr-ink)}.l3-launch{height:48px;min-height:48px;padding:0 22px;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--lr-brand);border-radius:12px;background:var(--lr-brand);color:#fff;font-family:Montserrat,sans-serif;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s ease,transform .1s ease}.l3-launch-actions{display:flex;grid-column:1 / -1;align-items:center;justify-content:flex-end;gap:10px}.l3-launch-actions .live-room-questions-trigger{min-height:48px;padding:0 18px;border-color:#b8d3f4;border-radius:12px;background:#ffffffe6;color:#316cae;white-space:nowrap;box-shadow:0 4px 12px #3368a21a}.l3-launch-actions .live-room-questions-trigger:hover:not(:disabled){border-color:var(--lr-brand);background:#fff;box-shadow:0 7px 18px #3368a229}.l3-launch:hover:not(:disabled){background:var(--lr-brand-dark);border-color:var(--lr-brand-dark)}.l3-launch:active:not(:disabled){transform:translateY(1px)}.l3-launch:disabled{opacity:.5;cursor:not-allowed}.l3-popover{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:50;background:#fff;border:1px solid var(--lr-hair);border-radius:12px;box-shadow:0 16px 40px #11182729;padding:6px;max-height:320px;overflow:auto}.l3-popover-row{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:8px;border:none;background:transparent;font-family:Montserrat,sans-serif;font-size:14px;text-align:left;cursor:pointer;color:var(--lr-ink)}.l3-popover-row:hover{background:var(--lr-hair-soft)}.l3-popover-row.active{background:var(--lr-brand-50)}.l3-popover-row--simple{padding:10px 12px;font-weight:500}.l3-list-head{display:flex;align-items:center;gap:16px;margin-bottom:14px}.l3-list-head h3{font-family:Montserrat,sans-serif;font-size:16px;font-weight:700;color:var(--lr-ink);margin:0}.l3-list-filters{display:flex;gap:4px;margin-left:auto;background:#fafbfc;padding:4px;border-radius:999px;border:1px solid var(--lr-hair)}.l3-list-filters span{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;color:var(--lr-muted);cursor:pointer;-webkit-user-select:none;user-select:none}.l3-list-filters span i{font-style:normal;font-size:11px;background:var(--lr-hair-soft);color:var(--lr-muted);padding:1px 7px;border-radius:999px}.l3-list-filters span.active{background:#fff;color:var(--lr-ink);box-shadow:0 1px 3px #0000000f}.l3-list-filters span.active i{background:var(--lr-brand);color:#fff}.l3-table{background:#fff;border:1px solid var(--lr-hair);border-radius:14px;overflow:hidden}.l3-pagination{display:flex;min-height:40px;align-items:center;justify-content:space-between;gap:16px;margin-top:12px;font-family:Montserrat,sans-serif}.l3-pagination-summary{color:var(--lr-muted);font-size:12px;font-weight:500;white-space:nowrap}.l3-pagination-pages{display:flex;align-items:center;justify-content:flex-end;gap:4px}.l3-page-button,.l3-page-ellipsis{display:inline-grid;width:34px;height:34px;flex:0 0 auto;place-items:center;border-radius:9px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700}.l3-page-button{border:1px solid var(--lr-hair);background:#fff;color:var(--lr-muted);cursor:pointer;transition:border-color .15s ease,background .15s ease,color .15s ease}.l3-page-button:hover:not(:disabled):not(.active){border-color:#c7dcf6;background:var(--lr-brand-50);color:var(--lr-brand-dark)}.l3-page-button:focus-visible{outline:3px solid rgba(91,151,233,.28);outline-offset:1px}.l3-page-button.active{border-color:var(--lr-brand);background:var(--lr-brand);color:#fff}.l3-page-button:disabled{cursor:not-allowed;opacity:.38}.l3-page-button--arrow{font-family:Arial,sans-serif;font-size:22px;font-weight:400;line-height:1}.l3-page-ellipsis{color:var(--lr-muted-2)}.l3-table-row{display:grid;grid-template-columns:90px 1.4fr 110px 1.4fr 130px 1.6fr 130px;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--lr-hair-soft);font-family:Montserrat,sans-serif;font-size:13px}.l3-table-row:last-child{border-bottom:none}.l3-table-row--head{background:#fafbfc;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--lr-muted);padding-top:10px;padding-bottom:10px}.l3-table-row--active{background:linear-gradient(90deg,#f4f9ff 0%,transparent 65%)}.l3-cell-title{font-weight:600;color:var(--lr-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.l3-cell-code{font-family:var(--lr-mono);font-weight:700;color:var(--lr-ink-2);letter-spacing:.06em}.l3-cell-class{color:var(--lr-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.l3-cell-len{color:var(--lr-muted)}.l3-cell-actions{display:flex;justify-content:flex-end}.l3-cell-result{display:flex;align-items:center}.l3-live-progress{display:inline-flex;align-items:baseline;gap:8px}.l3-live-progress b{font-family:var(--lr-mono);font-size:16px;font-weight:800;color:#1e3a8a}.l3-live-progress small{font-family:Montserrat,sans-serif;font-size:11px;color:var(--lr-muted);font-weight:500}.l3-result-pair{display:inline-flex;align-items:center;gap:10px}.l3-result-pair small{font-family:Montserrat,sans-serif;font-size:11px;color:var(--lr-muted);font-weight:500}.l3-table-row .chip{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--lr-hair-soft);color:var(--lr-muted)}.l3-table-row .chip-live{background:var(--lr-brand-50);color:#1e40af}.l3-table-row .chip-live:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lr-brand);box-shadow:0 0 0 4px #5b97e92e;animation:lrPulse 1.6s ease-in-out infinite}.l3-cell-actions .btn{display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;border:1px solid var(--lr-hair);background:#fff;color:var(--lr-ink-2);font-family:Montserrat,sans-serif;font-size:12px;font-weight:600;cursor:pointer;transition:background .15s ease,border-color .15s ease}.l3-cell-actions .btn:hover{background:var(--lr-hair-soft);border-color:#d1d5db}@media(max-width:980px){.l3-launcher{grid-template-columns:1fr 1fr}.l3-field--duration,.l3-launch-actions{grid-column:1 / -1}}@media(max-width:720px){.l3-launcher{grid-template-columns:1fr}.l3-field--feed,.l3-field--duration,.l3-launch,.l3-launch-actions{grid-column:1 / -1}.l3-launch-actions>.live-room-questions-trigger,.l3-launch-actions>.l3-launch{flex:1;justify-content:center}.l3-title{font-size:32px}.l3-table-row{grid-template-columns:80px 1fr 100px;grid-template-areas:"status quiz code" "class  class class" "len    len   len" "result result result" "actions actions actions";row-gap:6px}.l3-table-row>div:nth-child(1){grid-area:status}.l3-table-row>div:nth-child(2){grid-area:quiz}.l3-table-row>div:nth-child(3){grid-area:code}.l3-table-row>div:nth-child(4){grid-area:class}.l3-table-row>div:nth-child(5){grid-area:len}.l3-table-row>div:nth-child(6){grid-area:result}.l3-table-row>div:nth-child(7){grid-area:actions}.l3-table-row--head{display:none}.l3-pagination{align-items:stretch;flex-direction:column;gap:8px}.l3-pagination-summary{text-align:center}.l3-pagination-pages{justify-content:center}.l3-page-button,.l3-page-ellipsis{width:30px;height:30px}}.live-rooms-create-modal{max-width:480px}.live-rooms-create-form{display:flex;flex-direction:column;gap:20px;padding:24px}.live-rooms-create-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:#1f2937}.live-rooms-create-form label select,.live-rooms-create-form label input{padding:10px 12px;font-size:14px;font-family:inherit;border:1px solid #d1d5db;border-radius:8px;background:#fff}.live-rooms-create-form .form-hint{font-size:12px;font-weight:400;color:#6b7280}.live-rooms-create-form .form-error{background:#fef2f2;color:#991b1b;padding:10px 12px;border-radius:8px;font-size:13px}.duration-input{display:flex;align-items:center;gap:10px}.duration-input input{width:100px}.duration-input span{font-size:13px;color:#6b7280;font-weight:500}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:8px}.modal-actions button{padding:10px 20px;font-family:inherit;font-size:14px;font-weight:600;border:1px solid #d1d5db;background:#fff;color:#1f2937;border-radius:8px;cursor:pointer}.modal-actions button.primary{background:#5b97e9;color:#fff;border-color:#5b97e9}.modal-actions button:disabled{opacity:.5;cursor:not-allowed}.live-rooms-screen{animation:fadeIn .3s ease;font-family:Montserrat,sans-serif}.live-rooms-back{background:none;border:none;padding:6px 0;font-size:14px;font-weight:500;color:#5b97e9;cursor:pointer;margin-bottom:16px;font-family:inherit}.live-rooms-back:hover{text-decoration:underline}.live-room-screen-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.live-room-screen-actions .live-rooms-leave{margin-bottom:0}.live-room-questions-trigger{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border:1px solid #5b97e9;border-radius:999px;background:linear-gradient(135deg,#6aa5ef,#4c8be0);color:#fff;cursor:pointer;font-family:inherit;font-size:13px;font-weight:700;box-shadow:0 6px 16px #5b97e933;transition:transform .15s ease,box-shadow .15s ease}.live-room-questions-trigger:hover{box-shadow:0 9px 22px #5b97e94d;transform:translateY(-1px)}.live-room-questions-trigger:disabled{cursor:not-allowed;opacity:.5;box-shadow:none;transform:none}.live-room-questions-backdrop{position:fixed;z-index:1210;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:20px;background:#0c1f37b8;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.live-room-questions-modal{display:flex;width:min(820px,100%);max-height:min(820px,calc(100vh - 40px));box-sizing:border-box;flex-direction:column;overflow:hidden;border:1px solid rgba(177,211,251,.8);border-radius:30px;background:#f2f7fd;box-shadow:0 34px 100px #04193361,0 0 0 8px #ffffff14;animation:slideUp .2s ease}.live-room-questions-header{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;min-height:190px;padding:28px 74px 26px 28px;overflow:hidden;border-bottom:0;background:linear-gradient(130deg,#173755,#2b6195 48%,#5b97e9);color:#fff}.live-room-questions-header:before{content:"";position:absolute;width:300px;height:300px;right:-85px;top:-180px;border-radius:50%;background:#ffffff21}.live-room-questions-header:after{content:"";position:absolute;right:28px;bottom:20px;width:116px;height:70px;opacity:.22;background-image:radial-gradient(circle,#fff 2px,transparent 2.5px);background-size:16px 16px}.live-room-questions-brand{position:relative;z-index:1;display:flex;min-width:0;align-items:center;gap:20px}.live-room-questions-mascot{display:grid;width:92px;height:92px;flex:0 0 auto;place-items:center;overflow:hidden;border:1px solid rgba(255,255,255,.65);border-radius:28px;background:#fffffff0;box-shadow:0 14px 30px #061e3b3d;transform:rotate(-3deg)}.live-room-questions-mascot img{width:82px;height:82px;object-fit:contain}.live-room-questions-copy{min-width:0}.live-room-questions-eyebrow{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid rgba(255,255,255,.26);border-radius:999px;background:#ffffff1f;color:#fff;font-size:10px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.live-room-questions-eyebrow i{width:7px;height:7px;border-radius:50%;background:#9ee7b5;box-shadow:0 0 0 4px #9ee7b529}.live-room-questions-header h2{max-width:560px;margin:8px 0 0;overflow:hidden;color:#fff;font-family:"Instrument Serif",serif;font-size:36px;font-weight:400;line-height:1.1;text-overflow:ellipsis;white-space:nowrap}.live-room-questions-header p{margin:7px 0 0;color:#ffffffc7;font-family:Nunito Sans,Montserrat,sans-serif;font-size:13px}.live-room-questions-summary{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}.live-room-questions-summary span{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:999px;background:#ffffff24;color:#ffffffd9;font-size:10px;font-weight:700}.live-room-questions-summary strong{color:#fff;font-size:12px}.live-room-questions-close{position:absolute;z-index:2;top:22px;right:22px;display:grid;width:38px;height:38px;flex:0 0 auto;place-items:center;border-radius:50%;border:1px solid rgba(255,255,255,.24);background:#ffffff1f;color:#fff;cursor:pointer}.live-room-questions-close:hover{background:#ffffff3d;color:#fff}.live-room-questions-body{min-height:180px;overflow-y:auto;padding:22px 24px 28px;background:radial-gradient(circle at 100% 0%,rgba(91,151,233,.13),transparent 260px),linear-gradient(180deg,#eef5fd,#f8fbff)}.live-room-questions-list{display:flex;flex-direction:column;gap:12px}.live-room-question-card{position:relative;padding:20px 22px 20px 25px;overflow:hidden;border:1px solid #dbe8f7;border-radius:20px;background:#fff;box-shadow:0 6px 20px #1f4e7e12}.live-room-question-card:before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:#5b97e9}.live-room-question-card--test:before{background:#a56be3}.live-room-question-card--fillgap:before{background:#f59e68}.live-room-question-heading{display:flex;align-items:center;gap:9px}.live-room-question-number{display:grid;width:26px;height:26px;place-items:center;border-radius:9px;background:linear-gradient(135deg,#6aa5ef,#4381d2);color:#fff;font-size:12px;font-weight:800;box-shadow:0 4px 10px #5b97e93d}.live-room-question-card--test .live-room-question-number{background:linear-gradient(135deg,#bd8ceb,#8d4ecb);box-shadow:0 4px 10px #8d4ecb33}.live-room-question-card--fillgap .live-room-question-number{background:linear-gradient(135deg,#f8b487,#e97838);box-shadow:0 4px 10px #e9783833}.live-room-question-type{padding:4px 8px;border-radius:999px;background:#eaf2fc;color:#2563a9;font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.live-room-question-type--test{background:#f3e8ff;color:#7e22ce}.live-room-question-type--fillgap{background:#fff7ed;color:#c2410c}.live-room-question-prompt{margin:12px 0 0;color:#1f2937;font-family:Nunito Sans,Montserrat,sans-serif;font-size:16px;font-weight:700;line-height:1.45}.live-room-question-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:14px 0 0;padding:0;list-style:none;counter-reset:option}.live-room-question-options li{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:8px;padding:11px 12px;border:1px solid #dfeaf6;border-radius:13px;background:#f6f9fd;color:#4b5563;font-family:Nunito Sans,Montserrat,sans-serif;font-size:13px}.live-room-question-options li:before{counter-increment:option;content:counter(option,upper-alpha);display:grid;width:20px;height:20px;flex:0 0 auto;place-items:center;border-radius:7px;background:#dce9f8;color:#4075ad;font-size:10px;font-weight:800}.live-room-question-options li>span{min-width:0;flex:1}.live-room-question-options li.correct{border-color:#8dd9ae;background:linear-gradient(135deg,#ecfbf3,#f5fff9);color:#14663a}.live-room-question-options li.correct:before{background:#22c55e;color:#fff}.live-room-question-options li strong{color:#15803d;font-size:10px;text-transform:uppercase}.live-room-question-answer{display:flex;align-items:baseline;gap:8px;margin-top:13px;padding:10px 12px;border:1px solid #a8dec0;border-radius:13px;background:linear-gradient(135deg,#eaf9f1,#f6fffa);color:#155f38;font-family:Nunito Sans,Montserrat,sans-serif;font-size:13px}.live-room-question-answer span{font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.live-room-questions-state{padding:56px 20px;color:#6b7280;text-align:center}.live-room-questions-state--error,.live-room-questions-warning{color:#991b1b}.live-room-questions-warning{margin-bottom:12px;padding:10px 12px;border-radius:9px;background:#fef2f2;font-size:12px}.live-room-questions-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 24px;border-top:1px solid #dce8f5;background:#fff}.live-room-questions-footer-note{display:flex;align-items:center;gap:8px;color:#6b7d91;font-family:Nunito Sans,Montserrat,sans-serif;font-size:12px}.live-room-questions-footer-note span{display:grid;width:22px;height:22px;place-items:center;border-radius:50%;background:#e9f8f0;color:#228653;font-size:11px;font-weight:800}.live-room-questions-footer button{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border:0;border-radius:999px;background:linear-gradient(135deg,#66a1ec,#4a88da);color:#fff;cursor:pointer;font-family:inherit;font-size:13px;font-weight:700;box-shadow:0 6px 16px #5b97e93d}.live-rooms-lobby-actions .live-room-questions-trigger{min-height:50px;padding:13px 22px;border-color:#5b97e9;background:linear-gradient(135deg,#6aa5ef,#4c8be0);color:#fff;box-shadow:0 6px 16px #5b97e933}@media(max-width:640px){.live-room-screen-actions{align-items:stretch}.live-room-questions-modal{max-height:calc(100vh - 20px)}.live-room-questions-header,.live-room-questions-body,.live-room-questions-footer{padding-left:16px;padding-right:16px}.live-room-question-options{grid-template-columns:1fr}.live-room-questions-header{min-height:auto;padding-top:24px;padding-bottom:24px}.live-room-questions-mascot{display:none}.live-room-questions-header h2{font-size:30px}.live-room-questions-footer-note{display:none}.live-rooms-lobby-actions{flex-direction:column-reverse}.live-rooms-lobby-actions .live-room-questions-trigger,.live-rooms-lobby-actions>button{width:100%;justify-content:center}}.live-rooms-leave{margin-bottom:16px;padding:7px 0;border:0;background:none;color:#dc2626;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600}.live-rooms-leave span{margin-right:7px}.live-rooms-leave:hover{text-decoration:underline}.live-rooms-confirm-backdrop{position:fixed;z-index:1200;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:20px;background:#1118278f;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.live-rooms-confirm{width:min(440px,100%);box-sizing:border-box;padding:28px;border-radius:20px;background:#fff;box-shadow:0 24px 70px #1118273d;text-align:center;animation:slideUp .2s ease}.live-rooms-confirm-icon{display:grid;width:46px;height:46px;margin:0 auto 16px;place-items:center;border-radius:50%;background:#fef2f2;color:#dc2626;font-size:24px;font-weight:800}.live-rooms-confirm h2{margin:0;color:#111827;font-size:21px}.live-rooms-confirm p{margin:10px 0 22px;color:#6b7280;font-family:Nunito Sans,Montserrat,sans-serif;font-size:14px;line-height:1.55}.live-rooms-confirm .live-rooms-error{margin-top:-8px;text-align:left}.live-rooms-confirm-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.live-rooms-confirm-actions button{padding:12px 16px;border:1px solid #d1d5db;border-radius:10px;cursor:pointer;font-family:inherit;font-size:14px;font-weight:700}.live-rooms-confirm-actions .secondary{background:#fff;color:#374151}.live-rooms-confirm-actions .danger{border-color:#dc2626;background:#dc2626;color:#fff}.live-rooms-confirm-actions button:disabled{cursor:not-allowed;opacity:.55}.live-rooms-lobby-title{display:flex;align-items:baseline;gap:16px;margin-bottom:24px}.live-rooms-lobby-title h1{margin:0;font-size:28px}.live-rooms-lobby-class{color:#6b7280;font-size:14px}.live-rooms-code-display{background:linear-gradient(135deg,#5b97e9,#4a86d8);color:#fff;border-radius:16px;padding:40px 24px;text-align:center;margin-bottom:32px;box-shadow:0 4px 16px #5b97e92e}.live-rooms-code-label{font-size:14px;text-transform:uppercase;letter-spacing:.1em;opacity:.8;margin-bottom:12px}.live-rooms-code-value{font-family:JetBrains Mono,SF Mono,monospace;font-size:clamp(48px,10vw,96px);font-weight:800;letter-spacing:.1em;line-height:1;margin-bottom:16px}.live-rooms-code-hint{font-size:15px;opacity:.95}.live-rooms-lobby-roster{margin-bottom:32px}.live-rooms-lobby-roster-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}.live-rooms-lobby-roster-header h3{margin:0;font-size:18px}.live-rooms-quiz-meta{font-size:13px;color:#6b7280}.live-rooms-tile-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}.live-rooms-tile{background:#f3f4f6;border-radius:10px;padding:14px 16px;font-size:15px;font-weight:500;color:#1f2937;text-align:center;animation:tilePop .3s ease;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.live-rooms-tile--waiting{background:repeating-linear-gradient(-45deg,#f9fafb,#f9fafb 6px,#f3f4f6 6px,#f3f4f6 12px);color:#9ca3af;font-weight:400;animation:none;border:1px dashed #e5e7eb}@keyframes tilePop{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.live-rooms-lobby-actions{display:flex;justify-content:flex-end;gap:12px}.live-rooms-lobby-actions button{padding:14px 28px;font-family:inherit;font-size:15px;font-weight:600;border-radius:10px;cursor:pointer;border:1px solid #d1d5db;background:#fff}.live-rooms-lobby-actions button.primary{background:#16a34a;color:#fff;border-color:#16a34a}.live-rooms-lobby-actions button.primary:disabled{background:#9ca3af;border-color:#9ca3af;cursor:not-allowed}.live-rooms-lobby-actions button.secondary{color:#dc2626;border-color:#fecaca}.lr-hero{display:grid;grid-template-columns:1fr auto;align-items:end;gap:32px;padding-bottom:22px;border-bottom:1px solid #e5e7eb;margin-bottom:22px}.lr-hero-left{min-width:0}.lr-hero-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:4px}.lr-hero-class{font-family:Montserrat,sans-serif;font-size:12px;color:#6b7280;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lr-hero h1{font-family:"Instrument Serif",serif;font-weight:400;font-size:44px;line-height:1;margin:6px 0 10px;color:#111827}.lr-hero-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-family:Montserrat,sans-serif;font-size:13px;font-weight:500;color:#6b7280}.lr-hero-meta strong{color:#1f2937;font-weight:600}.lr-hero-right{display:flex;gap:14px;align-items:stretch}.lr-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:#eaf2fc;color:#1e40af}.lr-chip--live:before{content:"";width:7px;height:7px;border-radius:50%;background:#5b97e9;box-shadow:0 0 0 4px #5b97e92e;animation:lrPulse 1.6s ease-in-out infinite}@keyframes lrPulse{0%,to{box-shadow:0 0 #5b97e973}50%{box-shadow:0 0 0 6px #5b97e90d}}.lr-code-card{display:flex;align-items:stretch;border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;background:#fafbfc}.lr-code-left{padding:14px 18px;display:flex;flex-direction:column;justify-content:center}.lr-code-label{font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#6b7280}.lr-code-value{font-family:JetBrains Mono,SF Mono,monospace;font-size:28px;font-weight:800;letter-spacing:.06em;color:#111827;margin-top:4px;white-space:nowrap}.lr-timer{display:flex;align-items:center;gap:14px;padding:12px 20px;background:#eaf2fc;border-radius:16px;border:1px solid #c7dcf6}.lr-timer-value{font-family:JetBrains Mono,SF Mono,monospace;font-size:40px;font-weight:800;color:#1e3a8a;line-height:1}.lr-timer-meta{font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#1e40af;margin-top:4px}.lr-end-btn{padding:10px 18px;border-radius:50px;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;background:#fff;color:#dc2626;border:1px solid #fecaca;cursor:pointer;transition:background .15s ease}.lr-end-btn:hover:not(:disabled){background:#fef2f2}.lr-end-btn:disabled{opacity:.5;cursor:not-allowed}.lr-body{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start}.lr-left{display:flex;flex-direction:column;gap:14px;min-width:0}.lr-leader{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:18px;display:flex;flex-direction:column;min-width:0}.lr-leader-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.lr-leader-head h3{margin:0;font-family:Montserrat,sans-serif;font-size:14px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#6b7280}.lr-sort-chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#f3f4f6;color:#6b7280;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.lr-leader-rows{display:flex;flex-direction:column;gap:6px;min-width:0}.lr-row{display:grid;grid-template-columns:28px minmax(120px,160px) minmax(0,1fr) 70px 60px;align-items:center;gap:14px;padding:10px 12px;border-radius:10px;background:#fafbfc;border:1px solid transparent;min-width:0}.lr-row:hover{background:#f3f6fb}.lr-row .lr-rank{font-family:Montserrat,sans-serif;font-size:14px;font-weight:700;color:#6b7280;text-align:center}.lr-row.lr-r1{background:linear-gradient(90deg,#fef3c7,#fffaf0);border-color:#fde68a}.lr-row.lr-r1 .lr-rank{color:#92400e}.lr-row.lr-r1 .lr-score{color:#b45309}.lr-row .lr-name{font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#111827;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lr-progress-row{display:flex;gap:3px;align-items:center;min-width:0;overflow:hidden}.lr-pip{width:12px;height:12px;border-radius:3px;flex-shrink:0}.lr-pip.c{background:#4ade80}.lr-pip.w{background:#f87171}.lr-pip.a{background:#f59e0b;animation:lrBlink 1.2s ease-in-out infinite}.lr-pip.e{background:#eef0f4}@keyframes lrBlink{0%,to{opacity:1}50%{opacity:.35}}.lr-row .lr-progress-text{font-family:JetBrains Mono,SF Mono,monospace;font-size:12px;color:#6b7280;text-align:right}.lr-row .lr-score{font-family:Montserrat,sans-serif;font-size:16px;font-weight:700;color:#111827;text-align:right}.lr-heatmap{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:14px 18px;display:flex;flex-direction:column;gap:10px}.lr-heatmap-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.lr-heatmap-head h3{margin:0;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#6b7280}.lr-heatmap-legend{display:flex;gap:10px;font-family:Montserrat,sans-serif;font-size:11px;color:#6b7280;align-items:center}.lr-heatmap-legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:4px;vertical-align:-1px}.lr-q-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(40px,1fr));gap:5px}.lr-q-cell{aspect-ratio:1;border-radius:6px;display:flex;flex-direction:column;justify-content:space-between;padding:4px 5px;min-width:0}.lr-q-num{font-family:Montserrat,sans-serif;font-size:9px;font-weight:700}.lr-q-pct{font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;align-self:flex-end;line-height:1}.lr-side{display:flex;flex-direction:column;gap:14px;min-width:0}.lr-stat-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:16px}.lr-stat-card h4{margin:0 0 8px;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#6b7280}.lr-stat-value{font-family:"Instrument Serif",serif;font-size:36px;font-weight:400;color:#111827;line-height:1}.lr-stat-value-unit{font-family:Montserrat,sans-serif;font-size:22px;color:#6b7280;margin-left:2px}.lr-stat-sub{font-family:Montserrat,sans-serif;font-size:12px;color:#6b7280;margin-top:4px}.lr-mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}.lr-mini{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:12px 14px}.lr-mini .lr-mini-label{font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#6b7280}.lr-mini .lr-mini-value{font-family:Montserrat,sans-serif;font-size:22px;font-weight:700;color:#111827;margin-top:4px}.lr-mini-sub{color:#6b7280;font-weight:500;font-size:14px;margin-left:2px}.lr-mini--alert{border-color:#fecaca;background:#fff7f7}.lr-mini--alert .lr-mini-label,.lr-mini--alert .lr-mini-value{color:#dc2626}.lr-mini--alert .lr-mini-sub{color:#b91c1c;font-weight:600;font-size:13px}.lr-waiting{background:#fff;border:1px dashed #e5e7eb;border-radius:16px;padding:14px 16px}.lr-waiting h4{margin:0 0 8px;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#9ca3af}.lr-waiting-list{display:flex;flex-direction:column;gap:4px}.lr-waiting-list span{font-family:Montserrat,sans-serif;font-size:13px;color:#6b7280;padding:2px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.live-rooms-results-header{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:24px}.live-rooms-results-header h1{margin:0 0 4px;font-size:24px}.live-rooms-results-header p{margin:0;color:#6b7280;font-size:13px}.live-rooms-results-header button.secondary{padding:10px 20px;font-family:inherit;font-size:14px;font-weight:600;border:1px solid #d1d5db;background:#fff;border-radius:8px;cursor:pointer}.live-rooms-feedback-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:28px}.live-rooms-feedback-summary>div{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border:1px solid var(--lr-hair);border-radius:16px;background:#fff}.live-rooms-feedback-summary span{color:var(--lr-muted);font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}.live-rooms-feedback-summary strong{color:var(--lr-ink);font-size:30px;line-height:1.15}.live-rooms-feedback-summary strong em{color:var(--lr-muted-2);font-size:17px;font-style:normal}.live-rooms-feedback-summary small{color:var(--lr-muted);font-size:12px}.live-rooms-feedback-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:12px}.live-rooms-feedback-heading h2{margin:0;color:var(--lr-ink);font-size:18px}.live-rooms-feedback-heading p{margin:4px 0 0;color:var(--lr-muted);font-size:12px}.live-rooms-feedback-legend{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px;color:var(--lr-muted);font-size:11px;font-weight:600}.live-rooms-feedback-legend span{display:inline-flex;align-items:center;gap:5px}.live-rooms-feedback-legend i,.live-rooms-feedback-bar i{display:block;font-style:normal}.live-rooms-feedback-legend i{width:10px;height:10px;border-radius:3px}.live-rooms-feedback-legend .correct,.live-rooms-feedback-bar .correct{background:#4ade80}.live-rooms-feedback-legend .wrong,.live-rooms-feedback-bar .wrong{background:#f87171}.live-rooms-feedback-legend .unanswered,.live-rooms-feedback-bar .unanswered{background:#e5e7eb}.live-rooms-final-leaderboard{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.live-rooms-final-leaderboard li{display:grid;grid-template-columns:44px minmax(140px,220px) minmax(220px,1fr) 90px;align-items:center;gap:16px;padding:14px 20px;background:#fff;border:1px solid #e5e7eb;border-radius:12px}.live-rooms-final-leaderboard li.rank-1{border-color:#fde68a;background:#fffbeb}.live-rooms-final-leaderboard li.rank-2{border-color:#e5e7eb;background:#fafafa}.live-rooms-final-leaderboard li.rank-3{border-color:#fbbf24;background:#fefce8}.live-rooms-final-leaderboard .rank{font-size:28px;font-weight:800;color:#1f2937;text-align:center}.live-rooms-final-leaderboard .name{font-size:16px;font-weight:600}.live-rooms-feedback-student{display:flex;min-width:0;flex-direction:column;gap:3px}.live-rooms-feedback-student .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.live-rooms-final-leaderboard .progress{font-size:13px;color:#6b7280}.live-rooms-final-leaderboard .score{font-size:22px;font-weight:700;color:#16a34a;text-align:right;white-space:nowrap}.live-rooms-feedback-bar{display:flex;min-width:0;height:20px;gap:3px}.live-rooms-feedback-bar i{min-width:4px;height:100%;flex:1 1 0;border-radius:4px;box-shadow:inset 0 0 0 1px #1118270a}@media(max-width:1100px){.lr-body{grid-template-columns:1fr}.lr-hero{grid-template-columns:1fr;align-items:start}.lr-hero-right{flex-wrap:wrap}}@media(max-width:700px){.lr-hero h1,.lr-timer-value{font-size:32px}.lr-code-value{font-size:22px}.live-rooms-results-header,.live-rooms-feedback-heading{align-items:stretch;flex-direction:column}.live-rooms-feedback-summary{grid-template-columns:1fr}.live-rooms-feedback-legend{justify-content:flex-start}.live-rooms-final-leaderboard li{grid-template-columns:36px minmax(0,1fr) auto;gap:10px;padding:14px}.live-rooms-feedback-bar{grid-column:2 / -1;grid-row:2}.live-rooms-final-leaderboard .score{font-size:16px}}.video-recorder{--vr-brand: #5b97e9;--vr-brand-dark: #4a86d8;--vr-ink: #111827;--vr-muted: #6b7280;--vr-hair: #e5e7eb;--vr-soft: #f6f8fb;--vr-stage-max-height: calc(100vh - 291px) ;--vr-stage-max-width: calc(177.7778vh - 517.3333px) ;animation:fadeIn .4s ease;color:var(--vr-ink)}@supports (height: 100dvh){.video-recorder{--vr-stage-max-height: calc(100dvh - 291px) ;--vr-stage-max-width: calc(177.7778dvh - 517.3333px) }}.video-recorder:has(.vr-lower-bar){--vr-stage-max-height: calc(100vh - 351px) ;--vr-stage-max-width: calc(177.7778vh - 624px) }@supports (height: 100dvh){.video-recorder:has(.vr-lower-bar){--vr-stage-max-height: calc(100dvh - 351px) ;--vr-stage-max-width: calc(177.7778dvh - 624px) }}.vr-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--vr-hair);margin-bottom:22px}.vr-workspace{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(320px,.9fr);align-items:start;gap:28px}.vr-capture-column{min-width:0}.vr-capture-column .vr-stage,.vr-capture-column .vr-control-bar,.vr-capture-column .vr-lower-bar{width:100%}.vr-capture-column .vr-stage{min-height:0;max-height:none}.vr-capture-column .vr-control-bar{grid-template-columns:1fr auto auto auto}.vr-capture-column .vr-mode-toggle{grid-column:1 / -1}.vr-title{font-family:"Instrument Serif",serif;font-weight:400;font-size:44px;line-height:1;color:var(--vr-ink)}.vr-status{min-height:36px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 14px;border-radius:50px;background:#f3f4f6;color:#4b5563;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap}.vr-status--recording{background:#fef2f2;color:#dc2626}.vr-status--finished{background:#edf7ee;color:#26733b}.vr-status-dot{width:8px;height:8px;border-radius:50%;background:#dc2626;animation:vrPulse 1.2s ease-in-out infinite}.vr-stage{position:relative;width:min(100%,var(--vr-stage-max-width));aspect-ratio:16 / 9;min-height:min(360px,var(--vr-stage-max-height));max-height:var(--vr-stage-max-height);margin-inline:auto;overflow:hidden;border-radius:8px;background:#101828;box-shadow:inset 0 0 0 1px #ffffff14}.vr-video{display:none;width:100%;height:100%;background:#101828;object-fit:contain}.vr-stage--screen .vr-screen-video,.vr-stage--camera .vr-camera-video,.vr-stage--playback .vr-playback-video{display:block}.vr-stage--camera .vr-camera-overlay{display:block;position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.vr-stage--camera .vr-camera-video{display:block;object-fit:cover;transform:scaleX(-1)}.vr-stage--both .vr-screen-video{display:block}.vr-camera-overlay{display:none}.vr-stage--both .vr-camera-overlay{display:block;position:absolute;left:var(--vr-camera-x);top:var(--vr-camera-y);height:var(--vr-camera-size);aspect-ratio:1;box-sizing:border-box;overflow:hidden;border:5px solid var(--vr-brand);border-radius:50%;transform:translate(-50%,-50%);background:#111827;box-shadow:0 16px 36px #11182752;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;isolation:isolate;z-index:2}.vr-stage--both .vr-camera-overlay:active{cursor:grabbing}.vr-stage--both .vr-camera-overlay:focus-visible{outline:3px solid #fff;outline-offset:-8px}.vr-stage--both .vr-camera-video{display:block;position:relative;width:100%;height:100%;object-fit:cover;transform:scaleX(-1);pointer-events:none;z-index:0}.vr-camera-resize{position:absolute;right:clamp(7px,4%,18px);bottom:clamp(7px,4%,18px);width:clamp(36px,18%,54px);height:clamp(36px,18%,54px);display:grid;place-items:center;padding:0;border:2.5px solid rgba(255,255,255,.96);border-radius:50%;background:#0f172adb;color:#fff;box-shadow:0 5px 18px #1118276b;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);cursor:nwse-resize;touch-action:none;opacity:1;transition:opacity .7s ease,background-color .2s ease,transform .2s ease;z-index:5}.vr-camera-resize-icon{width:58%;height:58%}.vr-camera-resize:hover,.vr-camera-resize:focus-visible{background:#0f172afa;transform:scale(1.06);opacity:1}.vr-camera-resize:focus-visible{outline:2px solid #fff;outline-offset:2px}.vr-camera-overlay--controls-idle .vr-camera-resize{opacity:.1}.vr-camera-overlay:active .vr-camera-resize,.vr-camera-overlay:focus-within .vr-camera-resize,.vr-camera-overlay--controls-idle .vr-camera-resize:hover{opacity:1}.vr-stage--empty{display:grid;place-items:center;background:linear-gradient(135deg,#5b97e929,#fff0 42%),#101828}.vr-empty{display:grid;justify-items:center;gap:12px;color:#dbeafe;font-family:Montserrat,sans-serif;font-size:14px;font-weight:600}.vr-empty svg{color:#8fbaf3}.vr-rec-badge{position:absolute;top:18px;right:18px;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:50px;background:#111827b8;color:#fff;font-family:Montserrat,sans-serif;font-size:12px;font-weight:800;letter-spacing:.08em;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.vr-rec-badge span{width:8px;height:8px;border-radius:50%;background:#ef4444}.vr-composite-canvas{display:none}.vr-control-bar{display:grid;grid-template-columns:minmax(300px,1fr) auto auto auto;align-items:center;gap:12px;width:min(100%,var(--vr-stage-max-width));margin-inline:auto;padding:16px 0 0}.vr-mode-toggle{display:inline-flex;width:fit-content;max-width:100%;gap:4px;padding:4px;border-radius:50px;background:#f0f2f5}.vr-mode-btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;border:none;border-radius:50px;background:transparent;color:#5f6875;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:background-color .15s ease,color .15s ease,box-shadow .15s ease}.vr-mode-btn:hover:not(:disabled){color:var(--vr-ink)}.vr-mode-btn.active{background:#fff;color:var(--vr-brand);box-shadow:0 1px 3px #1118271a}.vr-mode-btn:disabled{opacity:.55;cursor:not-allowed}.vr-mode-icon{display:inline-flex;width:20px;height:20px;align-items:center;justify-content:center}.vr-mic-toggle{min-height:42px;display:inline-flex;align-items:center;gap:8px;padding:0 14px;border:1px solid var(--vr-hair);border-radius:50px;background:#fff;color:#374151;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;cursor:pointer;-webkit-user-select:none;user-select:none}.vr-mic-toggle input{position:absolute;opacity:0;pointer-events:none}.vr-mic-ui{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#9ca3af;background:#f3f4f6}.vr-mic-toggle input:checked+.vr-mic-ui{background:#eaf2fc;color:var(--vr-brand)}.vr-mic-toggle:has(input:disabled){opacity:.55;cursor:not-allowed}.vr-live-camera-toggle{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;border:1px solid var(--vr-hair);border-radius:50px;background:#fff;color:#6b7280;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap}.vr-live-camera-toggle.active{border-color:#bfdbfe;background:#eaf2fc;color:var(--vr-brand-dark)}.vr-live-camera-toggle:disabled{opacity:.6;cursor:wait}.vr-time{min-width:78px;min-height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:50px;background:var(--vr-soft);color:var(--vr-ink);font-family:SF Mono,JetBrains Mono,ui-monospace,monospace;font-size:14px;font-weight:700}.vr-action{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 18px;border:none;border-radius:50px;color:#fff;font-family:Montserrat,sans-serif;font-size:14px;font-weight:800;cursor:pointer;transition:background-color .15s ease,transform .1s ease}.vr-action:hover:not(:disabled){transform:translateY(-1px)}.vr-action:disabled{opacity:.55;cursor:not-allowed}.vr-action--record{background:var(--vr-brand)}.vr-action--record:hover:not(:disabled){background:var(--vr-brand-dark)}.vr-action--stop{background:#dc2626}.vr-action--stop:hover{background:#b91c1c}.vr-lower-bar{min-height:46px;display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(100%,var(--vr-stage-max-width));margin-inline:auto;padding-top:14px}.vr-error{flex:1;padding:12px 14px;border-radius:8px;background:#fef2f2;color:#991b1b;font-size:14px;font-weight:600}.vr-recording-actions{margin-left:auto;display:inline-flex;align-items:center;gap:10px}.vr-file-meta{color:var(--vr-muted);font-family:Montserrat,sans-serif;font-size:12px;font-weight:700}.vr-secondary-action{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;border:1px solid var(--vr-hair);border-radius:50px;background:#fff;color:#374151;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:border-color .15s ease,color .15s ease,background-color .15s ease}.vr-secondary-action:hover{border-color:#c7dcf6;background:#f8fbff;color:var(--vr-brand)}.vr-library{position:sticky;top:20px;width:100%;max-height:calc(100vh - 165px);margin:0;padding:20px;overflow-y:auto;border:1px solid var(--vr-hair);border-radius:16px;background:#fbfcfe}@supports (height: 100dvh){.vr-library{max-height:calc(100dvh - 165px)}}.vr-library-heading{display:flex;align-items:flex-start;flex-direction:column;justify-content:space-between;gap:12px;margin-bottom:20px}.vr-eyebrow{margin:0 0 6px;color:var(--vr-brand-dark);font-family:Montserrat,sans-serif;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.vr-library-heading h2{margin:0;color:var(--vr-ink);font-family:"Instrument Serif",serif;font-size:30px;font-weight:400;line-height:1.1}.vr-library-heading p:last-child{margin:7px 0 0;color:var(--vr-muted);font-family:Montserrat,sans-serif;font-size:12px;line-height:1.5}.vr-library-count{flex:0 0 auto;padding:8px 12px;border-radius:999px;background:#eef5fd;color:#3c78c7;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700}.vr-library-empty{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:28px;border:1px dashed #cfdae8;border-radius:14px;background:#fafcff;color:var(--vr-muted);font-family:Montserrat,sans-serif;font-size:13px;text-align:center}.vr-library-empty strong{margin-top:4px;color:#263244;font-size:15px}.vr-library-empty-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:#eaf2fc;color:var(--vr-brand)}.vr-library-error{margin-bottom:16px;padding:12px 14px;border:1px solid #fecaca;border-radius:10px;background:#fef2f2;color:#991b1b;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600}.vr-library-groups{display:grid;gap:22px}.vr-class-group{display:grid;gap:14px}.vr-class-group+.vr-class-group{padding-top:26px;border-top:1px solid #edf0f4}.vr-class-group-heading{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:11px}.vr-class-avatar{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:#eaf2fc;color:#3975c4;font-family:Montserrat,sans-serif;font-size:11px;font-weight:800;letter-spacing:-.01em}.vr-class-avatar--muted{background:#f0f2f5;color:#7c8592}.vr-class-group-heading h3{margin:0;color:#1c2534;font-family:Montserrat,sans-serif;font-size:14px;font-weight:800}.vr-class-group-heading p{margin:3px 0 0;color:var(--vr-muted);font-family:Montserrat,sans-serif;font-size:11px;font-weight:500}.vr-class-group-heading>span:last-child{min-width:26px;height:26px;display:grid;place-items:center;border-radius:999px;background:#f2f4f7;color:#667085;font-family:Montserrat,sans-serif;font-size:11px;font-weight:700}.vr-library-grid{display:grid;grid-template-columns:1fr;gap:14px}.vr-library-card{min-width:0;display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px;padding:9px;border:1px solid #e3e8ef;border-radius:13px;background:#fff;box-shadow:0 1px 2px #10182808;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.vr-library-card:hover{border-color:#c8d9ef;box-shadow:0 8px 20px #2b4e7814;transform:translateY(-1px)}.vr-library-thumbnail{position:relative;min-width:0;aspect-ratio:16 / 9;align-self:center;padding:0;overflow:hidden;border:0;border-radius:9px;background:#111827;color:#fff;cursor:pointer}.vr-library-thumbnail video{width:100%;height:100%;display:block;object-fit:cover;opacity:.78;pointer-events:none}.vr-play-icon{position:absolute;inset:50% auto auto 50%;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#fffffff0;color:#3975c4;box-shadow:0 5px 16px #0000002e;transform:translate(-50%,-50%)}.vr-card-duration{position:absolute;right:6px;bottom:6px;padding:3px 5px;border-radius:4px;background:#111827cc;color:#fff;font-family:ui-monospace,monospace;font-size:9px;font-weight:700}.vr-library-card-body{min-width:0;display:flex;flex-direction:column;justify-content:center}.vr-library-card-body h3{margin:0;overflow:hidden;color:#182230;font-family:Montserrat,sans-serif;font-size:13px;font-weight:750;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.vr-library-card-body>p{margin:5px 0 10px;overflow:hidden;color:var(--vr-muted);font-family:Montserrat,sans-serif;font-size:10px;line-height:1.4;text-overflow:ellipsis;white-space:nowrap}.vr-library-card-actions{display:flex;align-items:center;gap:7px}.vr-library-card-actions button,.vr-library-card-actions a{padding:0;border:0;background:transparent;color:#4b74a8;font-family:Montserrat,sans-serif;font-size:9px;font-weight:700;text-decoration:none;cursor:pointer}.vr-library-card-actions button:hover,.vr-library-card-actions a:hover{color:var(--vr-brand-dark);text-decoration:underline}.vr-library-card-actions .danger{color:#9b5a5a}.vr-modal-backdrop{position:fixed;z-index:1000;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:24px;overflow-y:auto;background:#0f172a8c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .16s ease}.vr-association-modal{width:min(100%,570px);max-height:min(760px,calc(100vh - 48px));display:flex;flex-direction:column;padding:28px;overflow:hidden;border-radius:20px;background:#fff;box-shadow:0 28px 70px #0f172a47}.vr-modal-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:16px;border-radius:14px;background:#eaf2fc;color:#3975c4}.vr-modal-heading>p{margin:0 0 4px;color:var(--vr-brand-dark);font-family:Montserrat,sans-serif;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.vr-modal-heading h2{margin:0;color:#172033;font-family:"Instrument Serif",serif;font-size:31px;font-weight:400;line-height:1.08}.vr-modal-heading>span{display:block;margin-top:9px;color:#667085;font-family:Montserrat,sans-serif;font-size:13px;line-height:1.55}.vr-title-field{display:grid;gap:7px;margin-top:22px}.vr-title-field>span,.vr-class-picker legend{color:#344054;font-family:Montserrat,sans-serif;font-size:11px;font-weight:800}.vr-title-field input{width:100%;height:44px;padding:0 13px;border:1px solid #d8dee8;border-radius:10px;outline:none;color:#1d2939;font-family:Montserrat,sans-serif;font-size:13px;transition:border-color .15s ease,box-shadow .15s ease}.vr-title-field input:focus{border-color:#78a9e9;box-shadow:0 0 0 3px #5b97e929}.vr-class-picker{min-height:0;margin:18px 0 0;padding:0;overflow:hidden;border:0}.vr-class-picker legend{margin-bottom:8px}.vr-class-options{max-height:250px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;padding:2px;overflow-y:auto}.vr-class-option{min-width:0;min-height:58px;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;padding:10px 11px;border:1px solid #dfe4eb;border-radius:11px;background:#fff;cursor:pointer;transition:border-color .15s ease,background-color .15s ease}.vr-class-option:hover{border-color:#bcd2ee;background:#fbfdff}.vr-class-option.selected{border-color:#76a8e9;background:#f4f8fe}.vr-class-option input{position:absolute;opacity:0;pointer-events:none}.vr-class-option-check{width:21px;height:21px;display:grid;place-items:center;border:1.5px solid #c8d0dc;border-radius:6px;background:#fff;color:#fff}.vr-class-option.selected .vr-class-option-check{border-color:var(--vr-brand);background:var(--vr-brand)}.vr-class-option-copy{min-width:0;display:grid;gap:3px}.vr-class-option-copy strong,.vr-class-option-copy small{overflow:hidden;font-family:Montserrat,sans-serif;text-overflow:ellipsis;white-space:nowrap}.vr-class-option-copy strong{color:#263244;font-size:12px;font-weight:750}.vr-class-option-copy small{color:#7b8492;font-size:10px;font-weight:500}.vr-picker-message{margin:0;padding:15px;border-radius:9px;background:#f7f9fc;color:#667085;font-family:Montserrat,sans-serif;font-size:12px;line-height:1.5}.vr-picker-message--error{background:#fff7ed;color:#9a4c14}.vr-modal-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:24px;padding-top:18px;border-top:1px solid #eaecf0}.vr-modal-discard,.vr-modal-save{min-height:42px;padding:0 16px;border-radius:999px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:750;cursor:pointer}.vr-modal-discard{border:0;background:transparent;color:#667085}.vr-modal-discard:hover:not(:disabled){color:#b42318}.vr-modal-save{border:0;background:var(--vr-brand);color:#fff;box-shadow:0 4px 12px #4a86d838}.vr-modal-save:hover:not(:disabled){background:var(--vr-brand-dark)}.vr-modal-discard:disabled,.vr-modal-save:disabled{opacity:.55;cursor:not-allowed}.vr-playback-modal{width:min(100%,900px);padding:16px;border-radius:18px;background:#fff;box-shadow:0 28px 70px #0f172a4d}.vr-playback-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:3px 4px 14px}.vr-playback-heading h2{margin:0;color:#1d2939;font-family:Montserrat,sans-serif;font-size:15px;font-weight:750}.vr-playback-heading p{margin:4px 0 0;color:#7b8492;font-family:Montserrat,sans-serif;font-size:11px}.vr-playback-heading button{width:38px;height:38px;display:grid;place-items:center;flex:0 0 auto;border:0;border-radius:50%;background:#f1f3f6;color:#4b5563;cursor:pointer}.vr-playback-modal>video{width:100%;max-height:calc(100vh - 150px);display:block;border-radius:11px;background:#101828}@keyframes vrPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.72)}}@media(max-width:1180px){.vr-workspace{grid-template-columns:minmax(0,1fr)}.vr-library{position:static;max-height:none;margin:52px auto 8px;padding:32px 0 0;overflow:visible;border:0;border-top:1px solid var(--vr-hair);border-radius:0;background:transparent}.vr-library-heading{align-items:flex-end;flex-direction:row;gap:24px;margin-bottom:24px}.vr-library-heading h2{font-size:34px}.vr-library-heading p:last-child{font-size:13px}.vr-library-groups{gap:28px}.vr-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vr-library-card{grid-template-columns:144px minmax(0,1fr);gap:14px;padding:11px}.vr-library-card-actions{gap:10px}.vr-library-card-actions button,.vr-library-card-actions a{font-size:10px}}@media(max-width:1050px){.vr-capture-column .vr-control-bar,.vr-control-bar{grid-template-columns:1fr auto auto auto}.vr-mode-toggle{grid-column:1 / -1}.vr-library-grid{grid-template-columns:1fr}}@media(max-width:700px){.vr-header{align-items:flex-start;flex-direction:column;padding-left:52px}.vr-title{font-size:36px}.vr-stage{min-height:0}.vr-capture-column .vr-control-bar,.vr-control-bar{grid-template-columns:1fr}.vr-mode-toggle,.vr-action,.vr-mic-toggle,.vr-live-camera-toggle,.vr-time{width:100%}.vr-mode-toggle{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-radius:18px}.vr-mode-btn{min-width:0;padding:0 8px;border-radius:14px;font-size:12px}.vr-stage--both .vr-camera-overlay{border-width:4px}.vr-camera-resize{right:5px;bottom:5px}.vr-lower-bar,.vr-recording-actions{align-items:stretch;flex-direction:column}.vr-recording-actions,.vr-secondary-action{width:100%}.vr-library{margin-top:40px;padding-top:26px}.vr-library-heading{align-items:flex-start;flex-direction:column}.vr-library-card{grid-template-columns:112px minmax(0,1fr)}.vr-library-card-actions{gap:8px}.vr-modal-backdrop{align-items:end;padding:0}.vr-association-modal{width:100%;max-height:92vh;padding:22px 18px;border-radius:20px 20px 0 0}.vr-modal-heading h2{font-size:28px}.vr-class-options{grid-template-columns:1fr}.vr-modal-footer{align-items:stretch;flex-direction:column-reverse}.vr-modal-discard,.vr-modal-save{width:100%}.vr-playback-modal{padding:12px;border-radius:16px 16px 0 0}}@media(max-width:480px){.vr-library-card{grid-template-columns:1fr}.vr-library-thumbnail{width:100%}.vr-library-card-body h3,.vr-library-card-body>p{white-space:normal}}.ep-screen,.ep-reader{--ep-blue: #5b97e9;--ep-blue-soft: rgba(91, 151, 233, .12);--ep-ink: #171717;--ep-muted: #6f7785;--ep-line: #e7ebf0;--ep-surface: #f7f9fb;width:100%;color:var(--ep-ink)}.ep-header{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}.ep-eyebrow{align-self:flex-start;padding:6px 11px;border-radius:999px;background:var(--ep-blue-soft);color:var(--ep-blue);font:800 12px/1 Montserrat,sans-serif;text-transform:uppercase}.ep-title{margin:0;color:var(--ep-ink);font:800 34px/1.1 Montserrat,sans-serif}.ep-subtitle{max-width:720px;margin:0;color:var(--ep-muted);font:600 16px/1.5 Nunito Sans,sans-serif}.ep-question-search{position:relative;display:flex;align-items:center;margin-bottom:18px}.ep-search-icon{position:absolute;left:15px;color:#8a94a4;pointer-events:none}.ep-search-input{width:100%;height:48px;padding:0 48px 0 46px;border:1px solid var(--ep-line);border-radius:16px;background:#fff;color:var(--ep-ink);font:700 15px/1 Montserrat,sans-serif;outline:none}.ep-search-input:focus{border-color:#5b97e999;box-shadow:0 12px 28px #5b97e91f}.ep-search-clear,.ep-icon-btn{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer}.ep-search-clear{position:absolute;right:11px;width:32px;height:32px;border-radius:999px;background:#edf1f5;color:#606c7c}.ep-subject-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:14px}.ep-subject-tab,.ep-chip,.ep-seg,.ep-text-btn{border:1px solid var(--ep-line);background:#fff;color:var(--ep-muted);cursor:pointer;transition:background .14s ease,border-color .14s ease,color .14s ease,transform .14s ease}.ep-subject-tab{flex:0 0 auto;min-height:40px;padding:0 16px;border-radius:999px;font:800 14px/1 Montserrat,sans-serif}.ep-subject-tab:hover,.ep-chip:hover,.ep-seg:hover,.ep-text-btn:hover{transform:translateY(-1px);color:var(--ep-ink)}.ep-subject-tab-active,.ep-chip-active,.ep-seg-active{border-color:transparent;background:var(--ep-blue);color:#fff}.ep-filters{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px}.ep-chip-row,.ep-segmented{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.ep-chip,.ep-seg{min-height:36px;padding:0 14px;border-radius:999px;font:800 13px/1 Montserrat,sans-serif}.ep-segmented{padding:4px;border-radius:999px;background:#edf1f5;flex-wrap:nowrap}.ep-seg{border-color:transparent;background:transparent}.ep-years{display:flex;flex-direction:column;gap:22px}.ep-year-card{animation:epFadeUp .24s ease both}.ep-year-head{display:flex;align-items:center;margin-bottom:12px}.ep-year-num{margin:0;color:var(--ep-ink);font:800 22px/1.1 Montserrat,sans-serif}.ep-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}.ep-paper{min-height:230px;border:1px solid var(--ep-line);border-radius:8px;background:#fff;cursor:pointer;padding:10px;text-align:left;display:flex;flex-direction:column;gap:10px;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.ep-paper:hover{transform:translateY(-2px);border-color:#5b97e973;box-shadow:0 16px 34px #18263e1f}.ep-paper-scheme:hover{border-color:#2f9f7473}.ep-cover{position:relative;aspect-ratio:.72;width:100%;overflow:hidden;border-radius:6px;background:#edf1f5;color:var(--ep-blue);display:block}.ep-cover canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .18s ease}.ep-cover-ready canvas{opacity:1}.ep-cover-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.ep-cover-ready .ep-cover-placeholder{opacity:0}.ep-cover-scheme{color:#2f9f74;background:#eef8f3}.ep-cover-deferred{position:absolute;top:8px;left:8px;z-index:2;padding:4px 7px;border-radius:999px;background:#171717bd;color:#fff;font:800 10px/1 Montserrat,sans-serif}.ep-paper-body{display:flex;flex-direction:column;gap:7px}.ep-paper-title{color:var(--ep-ink);font:800 14px/1.25 Montserrat,sans-serif}.ep-paper-tags,.ep-reader-tags{display:inline-flex;flex-wrap:wrap;gap:6px}.ep-tag{padding:4px 7px;border-radius:999px;background:var(--ep-blue-soft);color:var(--ep-blue);font:800 11px/1 Montserrat,sans-serif}.ep-status{min-height:180px;display:flex;align-items:center;justify-content:center;border:1px solid var(--ep-line);border-radius:18px;background:var(--ep-surface);color:var(--ep-muted);font:800 15px/1.4 Montserrat,sans-serif}.ep-status-error{color:#b42318;background:#fff4f2;border-color:#ffd2cb}.ep-search-results{display:flex;flex-direction:column;gap:14px}.ep-search-head{display:flex;align-items:center;gap:10px}.ep-search-title{margin:0;font:800 20px/1.2 Montserrat,sans-serif}.ep-search-count{min-width:28px;height:28px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:var(--ep-blue-soft);color:var(--ep-blue);font:800 12px/1 Montserrat,sans-serif}.ep-question-results{display:grid;gap:10px}.ep-question-result{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;padding:16px;border:1px solid var(--ep-line);border-radius:8px;background:#fff;cursor:pointer;text-align:left}.ep-question-result:hover{border-color:#5b97e980}.ep-question-main,.ep-question-detail{display:flex;flex-direction:column;gap:4px}.ep-question-topic{color:var(--ep-ink);font:800 15px/1.3 Montserrat,sans-serif}.ep-question-meta,.ep-question-marks{color:var(--ep-muted);font:700 13px/1.35 Nunito Sans,sans-serif}.ep-question-label{align-self:flex-end;padding:5px 8px;border-radius:999px;background:#edf1f5;color:#3e4b5e;font:800 12px/1 Montserrat,sans-serif}.ep-reader{display:flex;flex-direction:column;gap:14px}.ep-reader-bar{display:flex;align-items:center;gap:14px;padding-bottom:4px}.ep-back{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:0 13px;border:1px solid var(--ep-line);border-radius:999px;background:#fff;color:var(--ep-ink);cursor:pointer;font:800 13px/1 Montserrat,sans-serif}.ep-reader-meta{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px}.ep-reader-subject{color:var(--ep-blue);font:800 12px/1 Montserrat,sans-serif;text-transform:uppercase}.ep-reader-title{color:var(--ep-ink);font:800 17px/1.25 Montserrat,sans-serif;overflow:hidden;text-overflow:ellipsis}.ep-reader-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.ep-doc-switch{display:grid;grid-template-columns:132px 104px;gap:8px;align-items:center}.ep-doc-switch-btn{min-height:36px;padding:0 12px;border:1px solid var(--ep-line);border-radius:999px;background:#fff;color:var(--ep-muted);cursor:pointer;font:800 13px/1 Montserrat,sans-serif;white-space:nowrap;transition:background .14s ease,border-color .14s ease,color .14s ease,transform .14s ease}.ep-doc-switch-btn:hover:not(.ep-doc-switch-btn-active):not(:disabled){transform:translateY(-1px);color:var(--ep-ink)}.ep-doc-switch-btn-active{border-color:transparent;background:var(--ep-blue-soft);color:var(--ep-blue)}.ep-doc-switch-btn-scheme.ep-doc-switch-btn-active{background:#eef8f3;color:#2f9f74}.ep-doc-switch-btn:disabled{cursor:not-allowed;opacity:.55}.ep-pill-badge{min-height:32px;padding:0 11px;border-radius:999px;display:inline-flex;align-items:center;background:var(--ep-blue-soft);color:var(--ep-blue);font:800 12px/1 Montserrat,sans-serif}.ep-pill-badge-scheme{background:#eef8f3;color:#2f9f74}.ep-text-btn{min-height:34px;padding:0 12px;border-radius:999px;font:800 12px/1 Montserrat,sans-serif}.ep-icon-btn{width:36px;height:36px;border-radius:999px;background:#edf1f5;color:#445268;text-decoration:none}.ep-assign-trigger{min-height:38px;padding:0 15px;border:0;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ep-blue);color:#fff;cursor:pointer;font:800 13px/1 Montserrat,sans-serif;white-space:nowrap;box-shadow:0 7px 16px #5b97e938;transition:transform .14s ease,box-shadow .14s ease,opacity .14s ease}.ep-assign-trigger:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 20px #5b97e947}.ep-assign-trigger-active{background:#477fcf;box-shadow:inset 0 0 0 2px #ffffff38,0 7px 16px #5b97e933}.ep-assign-trigger:disabled{cursor:not-allowed;opacity:.45;box-shadow:none}.ep-assign-panel{flex:0 0 390px;min-width:340px;height:100%;overflow:hidden;border-left:1px solid #dfe5ed;background:#fff;display:flex;flex-direction:column;animation:epAssignSlide .18s ease both}.ep-assign-header{min-height:96px;padding:17px 18px;border-bottom:1px solid #e8edf3;display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.ep-assign-kicker{display:block;margin-bottom:6px;color:var(--ep-blue);font:800 11px/1.2 Montserrat,sans-serif;letter-spacing:.55px;text-transform:uppercase}.ep-assign-header h2{margin:0 0 5px;color:#1e293b;font:800 18px/1.2 Montserrat,sans-serif}.ep-assign-header p{margin:0;color:#738096;font:600 12px/1.4 Nunito Sans,sans-serif}.ep-assign-close{flex:0 0 auto;width:34px;height:34px;border:0;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:#f2f5f8;color:#657289;cursor:pointer}.ep-assign-form{flex:1 1 auto;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto}.ep-assign-scroll{min-height:0;overflow-y:auto}.ep-assign-question-panel,.ep-assign-details{min-height:0;padding:18px}.ep-assign-question-panel{background:#f8fafc}.ep-assign-details{border-top:1px solid #e3e9f1;background:#fff}.ep-assign-section-head,.ep-assign-section-head>div{display:flex;align-items:center}.ep-assign-section-head{justify-content:space-between;gap:16px;margin-bottom:13px}.ep-assign-section-head>div{gap:10px}.ep-assign-step{width:25px;height:25px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;background:#5b97e924;color:var(--ep-blue);font:800 12px/1 Montserrat,sans-serif}.ep-assign-section-head h3{margin:0;color:#243044;font:800 15px/1.2 Montserrat,sans-serif}.ep-assign-selected-count{color:#7a879a;font:700 11px/1 Nunito Sans,sans-serif}.ep-assign-question-list{display:flex;flex-direction:column;gap:9px}.ep-assign-question-group{overflow:hidden;border:1px solid #e3e9f1;border-radius:14px;background:#fff;transition:border-color .14s ease,box-shadow .14s ease}.ep-assign-question-group-selected{border-color:#5b97e985;box-shadow:0 5px 15px #5b97e914}.ep-assign-question-group-current{border-color:#5b97e9b8;box-shadow:0 6px 18px #5b97e91c}.ep-assign-group-row{min-height:58px;padding:8px 10px;display:flex;align-items:center;justify-content:space-between;gap:12px}.ep-assign-group-select{min-width:0;flex:1;border:0;display:flex;align-items:center;gap:11px;background:transparent;color:inherit;cursor:pointer;text-align:left}.ep-assign-check{flex:0 0 auto;width:22px;height:22px;border:1.5px solid #cbd4e1;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#fff;transition:border-color .12s ease,background .12s ease}.ep-assign-check-checked,.ep-assign-check-partial{border-color:var(--ep-blue);background:var(--ep-blue)}.ep-assign-check-partial span{width:10px;height:2px;border-radius:2px;background:currentColor}.ep-assign-group-copy{min-width:0;display:flex;flex-direction:column;gap:3px}.ep-assign-group-copy strong{color:#263247;font:800 14px/1.2 Montserrat,sans-serif}.ep-assign-group-copy small{overflow:hidden;color:#8290a3;font:700 12px/1.2 Nunito Sans,sans-serif;text-overflow:ellipsis;white-space:nowrap}.ep-assign-history{min-width:0;max-width:100%;display:inline-flex;align-items:center;gap:4px;color:#2f9f74;font:800 10px/1.2 Nunito Sans,sans-serif;white-space:nowrap}.ep-assign-history>span{overflow:hidden;text-overflow:ellipsis}.ep-assign-history svg{flex:0 0 auto}.ep-assign-history b{flex:0 0 auto;min-width:18px;height:18px;padding:0 5px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:#2f9f741c;font:inherit}.ep-assign-group-meta{flex:0 0 auto;display:flex;align-items:center;gap:8px}.ep-assign-group-meta>span{display:none}.ep-assign-expand{width:32px;height:32px;border:0;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;background:#f2f5f8;color:#657289;cursor:pointer}.ep-assign-expand svg{transition:transform .14s ease}.ep-assign-expand-open svg{transform:rotate(180deg)}.ep-assign-parts{padding:4px 9px 10px;display:flex;flex-direction:column;gap:5px}.ep-assign-part{width:100%;min-height:44px;padding:7px 8px;border:1px solid transparent;border-radius:10px;display:grid;grid-template-columns:22px 82px minmax(0,1fr);align-items:center;gap:9px;background:transparent;color:#4b586c;cursor:pointer;text-align:left}.ep-assign-part:hover,.ep-assign-part-selected{border-color:#e1e8f1;background:#f7faff}.ep-assign-part-label{color:#334155;font:800 13px/1.2 Montserrat,sans-serif;white-space:nowrap}.ep-assign-part-prompt{overflow:hidden;color:#708096;font:600 12px/1.3 Nunito Sans,sans-serif;text-overflow:ellipsis;white-space:nowrap}.ep-assign-part-history{grid-column:2 / -1;min-width:0;display:inline-flex;align-items:center;gap:4px;overflow:hidden;color:#2f9f74;font:800 10px/1.2 Nunito Sans,sans-serif;text-overflow:ellipsis;white-space:nowrap}.ep-assign-part-history svg{flex:0 0 auto}.ep-assign-part-marks{display:none}.ep-assign-empty{min-height:180px;border:1px dashed #d8e0eb;border-radius:14px;display:flex;align-items:center;justify-content:center;padding:24px;color:#7b8798;font:700 13px/1.5 Nunito Sans,sans-serif;text-align:center}.ep-assign-field{display:flex;flex-direction:column;gap:7px;margin-bottom:15px}.ep-assign-field>span,.ep-assign-field legend{color:#4a566a;font:800 12px/1.2 Montserrat,sans-serif}.ep-assign-field em{margin-left:4px;color:#98a2b2;font-style:normal;font-weight:600}.ep-assign-field input,.ep-assign-field select,.ep-assign-field textarea{width:100%;border:1px solid #dfe5ed;border-radius:11px;background:#fff;color:#2d394d;font:700 13px/1.35 Nunito Sans,sans-serif;outline:none}.ep-assign-field input,.ep-assign-field select{height:42px;padding:0 12px}.ep-assign-field select{cursor:pointer}.ep-assign-field textarea{min-height:74px;padding:11px 12px;resize:vertical}.ep-assign-field input:focus,.ep-assign-field select:focus,.ep-assign-field textarea:focus{border-color:#5b97e9b8;box-shadow:0 0 0 3px #5b97e91a}.ep-assign-type-field{margin:0 0 15px;padding:0;border:0}.ep-assign-type-options{display:grid;grid-template-columns:1fr 1fr;gap:7px}.ep-assign-type-options button{min-height:42px;border:1px solid #dfe5ed;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:7px;background:#fff;color:#6e7a8e;cursor:pointer;font:800 12px/1 Montserrat,sans-serif}.ep-assign-type-options .ep-assign-type-active{border-color:#5b97e99e;background:#5b97e91a;color:#4f86d4}.ep-assign-footer{min-height:68px;padding:12px 16px;border-top:1px solid #e8edf3;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff}.ep-assign-footer>span{max-width:110px;color:#7a8799;font:700 12px/1.3 Nunito Sans,sans-serif}.ep-assign-footer>div{display:flex;align-items:center;gap:9px}.ep-assign-cancel,.ep-assign-submit{min-height:40px;padding:0 15px;border-radius:11px;cursor:pointer;font:800 12px/1 Montserrat,sans-serif}.ep-assign-cancel{border:1px solid #dfe5ed;background:#fff;color:#637086}.ep-assign-submit{border:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ep-blue);color:#fff;box-shadow:0 7px 16px #5b97e938}.ep-assign-submit:disabled{background:#d9e0e8;color:#98a4b3;cursor:not-allowed;box-shadow:none}.ep-assignment-modal-backdrop{--ep-blue: #5b97e9;--ep-blue-soft: rgba(91, 151, 233, .12);position:fixed;top:0;right:0;bottom:0;left:0;z-index:2200;padding:24px;display:flex;align-items:center;justify-content:center;background:#1c273961;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:epAssignmentBackdropIn .16s ease both}.ep-assignment-modal{width:min(560px,100%);max-height:calc(100vh - 48px);border:1px solid rgba(223,229,237,.95);border-radius:22px;background:#fff;box-shadow:0 28px 70px #1b2a443d;color:#243044;font-family:Nunito Sans,sans-serif;animation:epAssignmentModalIn .18s ease both}.ep-assignment-modal-header{min-height:96px;padding:20px 22px;border-bottom:1px solid #e8edf3;display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.ep-assignment-modal-title{min-width:0;display:flex;align-items:flex-start;gap:13px}.ep-assignment-modal-step{flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--ep-blue-soft);color:var(--ep-blue);font:800 16px/1 Montserrat,sans-serif}.ep-assignment-modal-title h2{margin:1px 0 5px;color:#243044;font:800 21px/1.2 Montserrat,sans-serif}.ep-assignment-modal-title p{margin:0;color:#7a8799;font:600 13px/1.4 Nunito Sans,sans-serif}.ep-assignment-modal-form{display:flex;min-height:0;flex-direction:column}.ep-assignment-modal-body{padding:22px 22px 7px}.ep-assignment-modal .ep-assign-field{position:relative;margin-bottom:17px}.ep-assignment-modal .ep-assign-field>span,.ep-assignment-modal .ep-assign-field legend{color:#3d495d;font-size:13px}.ep-assignment-modal .ep-assign-field input{height:45px;padding:0 14px;border-radius:12px;font-size:14px}.ep-assignment-modal .ep-assign-type-options{gap:9px}.ep-assignment-modal .ep-assign-type-options button{min-height:45px;border-radius:12px;font-size:13px}.ep-class-selector-field{z-index:4}.ep-class-selector-trigger{position:relative;width:100%;min-height:58px;padding:8px 44px 8px 10px;border:1px solid #dfe5ed;border-radius:13px;display:flex;align-items:center;gap:11px;background:#fff;color:#2d394d;cursor:pointer;text-align:left;transition:border-color .14s ease,box-shadow .14s ease}.ep-class-selector-trigger:hover,.ep-class-selector-trigger-open{border-color:#5b97e9b3;box-shadow:0 0 0 3px #5b97e91a}.ep-class-selector-placeholder{color:#8a96a8;font:700 14px/1 Nunito Sans,sans-serif}.ep-class-selector-badge{flex:0 0 auto;width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:var(--ep-blue-soft);color:var(--ep-blue);font:800 14px/1 Montserrat,sans-serif}.ep-class-selector-copy{min-width:0;flex:1 1 auto;display:flex;flex-direction:column;gap:3px}.ep-class-selector-copy strong{overflow:hidden;color:#2c384c;font:800 14px/1.2 Montserrat,sans-serif;text-overflow:ellipsis;white-space:nowrap}.ep-class-selector-copy small{overflow:hidden;color:#8390a2;font:700 12px/1.2 Nunito Sans,sans-serif;text-overflow:ellipsis;white-space:nowrap}.ep-class-selector-chevron{position:absolute;right:14px;color:#718096;transition:transform .14s ease}.ep-class-selector-trigger-open .ep-class-selector-chevron{transform:rotate(180deg)}.ep-class-selector-options{position:absolute;z-index:8;top:calc(100% + 7px);left:0;right:0;max-height:284px;padding:7px;overflow-y:auto;border:1px solid #dce4ee;border-radius:15px;background:#fff;box-shadow:0 18px 42px #22314a2e;animation:epClassOptionsIn .14s ease both}.ep-class-selector-option{width:100%;min-height:58px;padding:8px 11px;border:0;border-radius:11px;display:flex;align-items:center;gap:11px;background:transparent;color:inherit;cursor:pointer;text-align:left}.ep-class-selector-option:hover,.ep-class-selector-option-selected{background:#5b97e91a}.ep-class-selector-option-selected .ep-class-selector-badge{background:var(--ep-blue);color:#fff}.ep-class-selector-check{flex:0 0 auto;color:var(--ep-blue)}.ep-class-selector-empty{padding:20px 14px;color:#8390a2;font:700 13px/1.4 Nunito Sans,sans-serif;text-align:center}.ep-assignment-modal-row{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:12px}.ep-assignment-modal-footer{min-height:72px;padding:13px 22px;border-top:1px solid #e8edf3;display:flex;align-items:center;justify-content:flex-end;gap:10px;background:#fbfcfd;border-radius:0 0 22px 22px}.ep-assignment-modal-footer .ep-assign-cancel,.ep-assignment-modal-footer .ep-assign-submit{min-width:96px;min-height:43px}@keyframes epAssignmentBackdropIn{0%{opacity:0}to{opacity:1}}@keyframes epAssignmentModalIn{0%{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes epClassOptionsIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@media(max-width:620px){.ep-assignment-modal-backdrop{padding:12px;align-items:flex-end}.ep-assignment-modal{max-height:calc(100vh - 24px);border-radius:20px}.ep-assignment-modal-header,.ep-assignment-modal-body,.ep-assignment-modal-footer{padding-left:17px;padding-right:17px}.ep-assignment-modal-body{max-height:calc(100vh - 190px);overflow-y:auto}.ep-assignment-modal-row{grid-template-columns:1fr;gap:0}}@keyframes epAssignSlide{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:translate(0)}}@keyframes epFadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:900px){.ep-title{font-size:28px}.ep-filters,.ep-reader-bar{align-items:flex-start;flex-direction:column}.ep-reader-actions{justify-content:flex-start}.ep-assign-panel{flex-basis:350px;min-width:320px}}@media(max-width:620px){.ep-grid{grid-template-columns:repeat(auto-fill,minmax(128px,1fr))}.ep-paper{min-height:210px}.ep-question-result{grid-template-columns:1fr}.ep-question-label{align-self:flex-start}.ep-assign-header,.ep-assign-question-panel,.ep-assign-details{padding-left:18px;padding-right:18px}.ep-assign-header{min-height:88px}.ep-assign-parts{padding-left:18px}.ep-assign-part{grid-template-columns:22px 82px minmax(0,1fr)}.ep-assign-footer{min-height:64px}.ep-assign-footer>span{max-width:105px}}.ep-screen{--blue: #5b97e9;--blue-deep: #4a7fcd;--blue-tint: rgba(91, 151, 233, .12);--ink: #212121;--muted: #757575;--faint: #9e9e9e;--line: #ececec;--canvas: #fafbfc;width:calc(100% + 80px);min-height:calc(100vh - 60px);margin:-40px;padding:0;background-color:#fff;border-radius:25px;overflow-y:auto;box-sizing:border-box;font-family:Montserrat,sans-serif}.ep-content{width:100%;max-width:1320px;margin:0 auto;padding:40px 32px 96px;box-sizing:border-box}.ep-header,.ep-question-search,.ep-subject-controls,.ep-filters,.ep-years,.ep-search-results{max-width:1320px;margin-left:auto;margin-right:auto}.ep-header{gap:8px;margin-bottom:24px}.ep-eyebrow{padding:6px 12px;border-radius:9999px;font-size:12px;font-weight:700}.ep-title{color:var(--ink);font-size:36px;font-weight:700;line-height:1.1}.ep-subtitle{max-width:640px;color:var(--muted);font-family:Nunito Sans,sans-serif;font-size:18px;font-weight:400;line-height:1.35}.ep-question-search{min-height:56px;height:auto;margin-bottom:24px;padding:0 52px 0 48px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:border-color .15s ease,box-shadow .15s ease}.ep-question-search:focus-within{border-color:#5b97e98c;box-shadow:0 10px 24px #5b97e91c}.ep-search-icon{left:18px;top:50%;display:inline-flex;color:var(--faint);transform:translateY(-50%)}.ep-search-input{height:auto;padding:0;border:none;border-radius:0;background:transparent;box-shadow:none;color:var(--ink);font-family:Nunito Sans,sans-serif;font-size:17px;font-weight:700;outline:none;-moz-appearance:none;appearance:none;-webkit-appearance:none}.ep-search-input:focus{border-color:transparent;box-shadow:none}.ep-search-input::-webkit-search-cancel-button,.ep-search-input::-webkit-search-decoration{display:none;-webkit-appearance:none}.ep-search-input::placeholder{color:var(--faint);font-weight:600}.ep-search-clear{right:12px;top:50%;width:34px;height:34px;border-radius:10px;transform:translateY(-50%)}.ep-subject-tabs{gap:10px;flex-wrap:wrap;margin-bottom:24px}.ep-subject-tab{min-height:auto;border-radius:9999px;padding:11px 22px;font-size:16px;font-weight:700}.ep-subject-controls{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}.ep-class-subjects,.ep-all-subjects{display:flex;flex-direction:column;gap:9px}.ep-class-subjects{min-width:0;flex:1}.ep-subject-control-label{color:var(--muted);font-family:Nunito Sans,sans-serif;font-size:13px;font-weight:800}.ep-subject-controls .ep-subject-tabs{max-width:none;margin:0;padding:0}.ep-all-subjects{flex:0 0 290px}.ep-subject-select-wrap{position:relative;display:flex;align-items:center}.ep-subject-select-wrap svg{position:absolute;right:15px;color:var(--muted);pointer-events:none}.ep-subject-select{width:100%;height:44px;padding:0 42px 0 16px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);cursor:pointer;font-family:Nunito Sans,sans-serif;font-size:15px;font-weight:800;outline:none;-moz-appearance:none;appearance:none;-webkit-appearance:none}.ep-subject-select:focus{border-color:#5b97e999;box-shadow:0 8px 20px #5b97e91f}.ep-filters{gap:16px;flex-wrap:wrap;margin-bottom:24px}.ep-chip{min-height:auto;border-radius:9999px;padding:7px 16px;background:transparent;color:var(--muted);font-family:Nunito Sans,sans-serif;font-size:14px;font-weight:700}.ep-chip-active{border-color:transparent;background:var(--blue-tint);color:var(--blue)}.ep-segmented{gap:2px;height:auto;padding:4px;border-radius:9999px;background:#eef1f5}.ep-seg{min-height:auto;padding:7px 16px;border-radius:9999px;font-family:Nunito Sans,sans-serif;font-size:14px;font-weight:800}.ep-seg-active{background:#fff;color:var(--ink)}.ep-years{gap:24px}.ep-year-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px 26px 26px}.ep-year-head{margin-bottom:16px}.ep-year-num{color:var(--ink);font-size:24px;font-weight:700}.ep-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}.ep-paper{min-height:267px;border-radius:18px;overflow:hidden}.ep-cover{border-radius:12px;background:#f8fafc}.ep-search-title{color:var(--ink);font-size:22px;font-weight:700}.ep-search-count{min-width:30px;height:28px;padding:0 10px}.ep-question-results{display:flex;flex-direction:column;gap:16px}.ep-question-result{display:flex;flex-direction:column;gap:14px;width:100%;min-height:240px;padding:18px;border-radius:18px}.ep-question-result:hover{border-color:#5b97e98f;box-shadow:0 12px 26px #21212112;transform:translateY(-2px)}.ep-question-main{min-width:0}.ep-question-topic{font-size:16px;line-height:1.25}.ep-question-detail{align-items:flex-end}.ep-question-label{color:var(--blue);background:var(--blue-tint);font-size:14px}.ep-question-preview{position:relative;display:flex;flex-direction:column;width:100%;min-height:190px;overflow:hidden;border:1px solid #e3e9f2;border-radius:14px;background:#f8fafc}.ep-question-preview-page{position:relative;display:flex;width:100%;min-height:190px;background:#f8fafc}.ep-question-preview-page+.ep-question-preview-page{border-top:1px solid #e3e9f2}.ep-question-preview-page canvas{position:relative;z-index:1;display:block;width:100%;opacity:0;transition:opacity .18s ease}.ep-question-preview-page-ready canvas{opacity:1}.ep-question-preview-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--blue);background:#f8fafc;transition:opacity .18s ease}.ep-question-preview-page-ready .ep-question-preview-placeholder{opacity:0}.ep-reader{width:calc(100% + 80px);height:calc(100vh - 60px);min-height:640px;margin:-40px;padding:0;background:#fff;border-radius:25px;overflow:hidden}.ep-reader-bar{padding:14px 24px;border-bottom:1px solid var(--line)}.ep-reader-content{flex:1 1 auto;min-height:0;display:flex;overflow:hidden;background:#eef1f5}.ep-reader-viewer{min-width:0;min-height:0;flex:1 1 auto;display:flex}.ep-reader-viewer>.ep-status{flex:1 1 auto;border:0;border-radius:0}.ep-reader .tpdf-scroll{flex:1 1 auto;min-height:0;height:auto;border:0;border-radius:0 0 25px 25px;padding:18px}.ep-reader-content-assigning .tpdf-scroll{border-radius:0 0 0 25px}@media(max-width:900px){.ep-screen,.ep-reader{width:calc(100% + 48px);margin:-24px}.ep-subject-controls{align-items:stretch;flex-direction:column}.ep-all-subjects{flex-basis:auto;width:min(100%,360px)}}@media(max-width:600px){.ep-screen,.ep-reader{width:calc(100% + 32px);margin:-16px}.ep-content{padding:28px 20px 56px}.ep-screen,.ep-reader{border-radius:20px}.ep-reader-content-assigning{flex-direction:column}.ep-reader-content-assigning .ep-reader-viewer{flex:1 1 52%}.ep-reader-content-assigning .tpdf-scroll{border-radius:0}.ep-assign-panel{width:100%;min-width:0;height:auto;flex:1 1 48%;border-top:1px solid #dfe5ed;border-left:0}}.ep-content>.ep-subject-tabs,.ep-browse-layout{width:100%;max-width:1320px;margin-left:auto;margin-right:auto}.ep-content>.ep-subject-tabs{display:flex;gap:10px;flex-wrap:wrap;overflow:visible;margin-bottom:28px;padding:0}.ep-content>.ep-subject-tabs .ep-subject-tab{display:inline-flex;align-items:center;gap:10px;min-height:38px;padding:4px 16px 4px 8px;border:1px solid var(--line);border-radius:9999px;background:#fff;color:var(--muted);font-size:14px;line-height:1.1}.ep-content>.ep-subject-tabs .ep-subject-tab:hover{color:var(--ink)}.ep-content>.ep-subject-tabs .ep-subject-tab-active,.ep-content>.ep-subject-tabs .ep-subject-tab-active:hover{border-color:transparent;background:var(--blue-tint);color:var(--blue)}.ep-subject-tab-icon{width:28px;height:28px;flex:0 0 28px;display:inline-flex;align-items:center;justify-content:center}.ep-subject-tab-icon img{width:20px;height:20px;object-fit:contain}.ep-subject-tab-label{min-width:0}.ep-browse-layout{display:grid;grid-template-columns:minmax(430px,1.35fr) minmax(340px,1fr);align-items:start;gap:28px}.ep-browse-layout-single{grid-template-columns:minmax(0,1fr)}.ep-section-head{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.ep-section-title{margin:0;color:var(--ink);font-family:Montserrat,sans-serif;font-size:21px;font-weight:700}.ep-section-actions{display:flex;align-items:center;gap:10px}.ep-chip-row-compact{gap:7px}.ep-chip-row-compact .ep-chip{min-height:32px;padding:5px 13px;border:1px solid #dfe5ee;background:#fff;color:#667085;font-family:Montserrat,sans-serif;font-size:14px;font-weight:700}.ep-chip-row-compact .ep-chip-active,.ep-chip-row-compact .ep-chip-active:hover{border-color:transparent;background:var(--blue-tint);color:var(--blue)}.ep-paper-shelf-section,.ep-topic-browser{min-width:0;display:flex;flex-direction:column;gap:12px}.ep-paper-shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.ep-browse-layout-has-topics .ep-paper-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.ep-shelf-card{min-width:0;display:flex;flex-direction:column;gap:12px;padding:12px;border:1px solid rgba(91,151,233,.28);border-radius:18px;background:#fff;transition:transform .13s ease,border-color .17s ease,box-shadow .17s ease}.ep-shelf-card:hover{border-color:#5b97e98f;box-shadow:0 12px 26px #21212112;transform:translateY(-2px)}.ep-shelf-paper-main{width:100%;min-width:0;display:flex;flex:1;flex-direction:column;gap:10px;padding:0;border:0;border-radius:14px;background:transparent;color:inherit;cursor:pointer;font:inherit;text-align:left}.ep-shelf-meta{min-width:0;display:flex;flex-direction:column;gap:5px;padding:0 2px}.ep-shelf-year{color:var(--ink);font-family:Montserrat,sans-serif;font-size:15px;font-weight:800;line-height:1.1}.ep-shelf-detail{overflow:hidden;color:var(--muted);font-family:Nunito Sans,sans-serif;font-size:12px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.ep-shelf-actions{display:flex;gap:6px}.ep-shelf-action{min-width:0;min-height:32px;flex:1;display:inline-flex;align-items:center;justify-content:center;padding:7px 8px;border:0;border-radius:9999px;font-family:Montserrat,sans-serif;font-size:12px;font-weight:800;line-height:1;text-align:center}button.ep-shelf-action{cursor:pointer}.ep-shelf-action-scheme{border:1px solid rgba(91,151,233,.58);background:#fff;color:var(--blue);transition:background .14s ease,border-color .14s ease,transform .14s ease}.ep-shelf-action-scheme:hover{border-color:var(--blue);background:var(--blue-tint);transform:translateY(-1px)}.ep-shelf-action-disabled{background:#eef1f5;color:var(--faint)}.ep-view-more{min-height:40px;align-self:center;padding:0 22px;border:1px solid rgba(91,151,233,.22);border-radius:9999px;background:#fff;color:var(--blue);cursor:pointer;font-family:Montserrat,sans-serif;font-size:13px;font-weight:800;transition:background .14s ease,border-color .14s ease,transform .14s ease}.ep-view-more:hover{border-color:#5b97e96b;background:var(--blue-tint);transform:translateY(-1px)}.ep-topic-groups{display:flex;flex-direction:column;gap:10px}.ep-topic-group{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff}.ep-topic-group-head{width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 18px;border:0;background:#fff;color:inherit;cursor:pointer;font:inherit;text-align:left;transition:background .14s ease}.ep-topic-group-head:hover{background:#fbfcfe}.ep-topic-group-title{color:var(--ink);font-family:Montserrat,sans-serif;font-size:15px;font-weight:800;line-height:1.2}.ep-topic-group-chevron{flex:0 0 auto;color:var(--faint);transition:transform .15s ease}.ep-topic-group-head[aria-expanded=true] .ep-topic-group-chevron{transform:rotate(180deg)}.ep-topic-outline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:14px 18px;border-top:1px solid var(--line)}.ep-topic-outline-row{min-width:0;min-height:54px;display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:14px;background:#fff;color:inherit;cursor:pointer;font:inherit;text-align:left;transition:transform .13s ease,border-color .16s ease,box-shadow .16s ease}.ep-topic-outline-row:hover{border-color:#5b97e980;box-shadow:0 8px 18px #2121210d;transform:translateY(-1px)}.ep-topic-outline-title{min-width:0;flex:1;display:-webkit-box;overflow:hidden;color:var(--ink);font-family:Montserrat,sans-serif;font-size:13px;font-weight:800;line-height:1.25;-webkit-box-orient:vertical;-webkit-line-clamp:2}.ep-topic-outline-arrow{flex:0 0 auto;color:var(--faint)}.ep-shelf-paper-main:focus-visible,.ep-shelf-action:focus-visible,.ep-view-more:focus-visible,.ep-topic-group-head:focus-visible,.ep-topic-outline-row:focus-visible{outline:3px solid rgba(91,151,233,.34);outline-offset:2px}.ep-question-result-topic-selected{align-items:stretch;padding:22px}.ep-question-result-topic-selected .ep-question-main{display:flex;flex-direction:column;gap:7px;text-align:left}.ep-question-result-topic-selected .ep-question-topic{color:var(--ink);font-size:20px;font-weight:800;line-height:1.25}.ep-question-result-topic-selected .ep-question-meta{display:flex;align-items:center;flex-wrap:wrap;gap:7px;color:#667085;font-family:Nunito Sans,sans-serif;font-size:16px;font-weight:700;line-height:1.3}.ep-question-label-inline{display:inline-flex;align-items:center;min-height:26px;margin-left:2px;padding:4px 9px;font-size:14px}@media(max-width:980px){.ep-browse-layout{grid-template-columns:1fr}.ep-browse-layout-has-topics .ep-paper-shelf{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:760px){.ep-paper-shelf,.ep-browse-layout-has-topics .ep-paper-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.ep-section-head{align-items:flex-start}.ep-section-actions{width:100%}.ep-chip-row-compact{overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.ep-paper-shelf,.ep-browse-layout-has-topics .ep-paper-shelf,.ep-topic-outline-grid{grid-template-columns:1fr}.ep-topic-outline-grid{padding:12px}}.ep-topic-question-screen{--canvas: #fafbfc;background:var(--canvas)}.ep-topic-screen{width:100%;max-width:1120px;min-height:100%;margin:0 auto;padding:24px 40px 72px;box-sizing:border-box;display:flex;flex-direction:column;gap:20px}.ep-topic-bar{align-self:flex-start;display:inline-flex;align-items:center;gap:16px;width:fit-content;max-width:100%;padding:8px 12px 8px 8px;border:1px solid var(--line);border-radius:18px;background:#fff}.ep-topic-bar .ep-back{min-height:42px;padding:0 16px;border:0;border-radius:14px;background:#f3f5f8;color:var(--ink);font-size:14px}.ep-topic-bar-meta{min-width:0;display:flex;flex-direction:column;gap:3px}.ep-topic-bar-meta .ep-reader-subject{overflow:hidden;color:var(--blue);letter-spacing:.04em;text-overflow:ellipsis;white-space:nowrap}.ep-topic-bar-meta .ep-reader-title{font-size:16px}.ep-topic-hero,.ep-topic-question-card{border:1px solid var(--line);border-radius:18px;background:#fff}.ep-topic-hero{display:flex;flex-direction:column;gap:18px;padding:24px}.ep-topic-hero-copy{min-width:0}.ep-topic-hero-copy .ep-title,.ep-topic-hero-copy .ep-subtitle{max-width:100%;overflow-wrap:anywhere}.ep-topic-hero-copy .ep-title{margin-bottom:4px}.ep-topic-filter-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:18px;border-top:1px solid var(--line)}.ep-topic-filter-row>span{color:var(--muted);font-family:Nunito Sans,sans-serif;font-size:13px;font-weight:800}.ep-topic-filter-controls{display:flex;align-items:center;gap:8px}.ep-topic-level-filter{display:inline-flex;align-items:center;gap:0;padding:4px;border-radius:12px;background:#eef1f5}.ep-topic-level-filter-button{min-height:30px;padding:0 12px;border:0;border-radius:9px;background:transparent;color:var(--ink);cursor:pointer;font-family:Nunito Sans,sans-serif;font-size:12px;font-weight:800;transition:background .14s ease,color .14s ease}.ep-topic-level-filter-button-active{background:#fff}.ep-topic-level-filter-button-active[data-level-filter=higher]{background:#dea0bf}.ep-topic-level-filter-button-active[data-level-filter=ordinary]{background:#acd0ed}.ep-topic-level-filter-button:disabled{opacity:.42;cursor:default}.ep-topic-grid-toggle{display:inline-flex;align-items:center;gap:0;padding:4px;border-radius:12px;background:#eef1f5}.ep-topic-grid-toggle-button{width:32px;height:30px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:0;border-radius:9px;background:transparent;color:#8a94a4;cursor:pointer;transition:background .14s ease,color .14s ease,box-shadow .14s ease}.ep-topic-grid-toggle-button:hover{color:var(--ink)}.ep-topic-grid-toggle-button-active{background:#fff;color:var(--blue);box-shadow:0 1px 3px #21212117}.ep-topic-question-list{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}.ep-topic-question-list-two{grid-template-columns:repeat(2,minmax(0,1fr))}@media(min-width:781px){.ep-topic-question-list-two .ep-question-preview{height:clamp(260px,28vw,360px);min-height:0}.ep-topic-question-list-two .ep-question-preview-page{min-height:0}}.ep-question-result.ep-topic-question-card{min-width:0;min-height:240px;align-items:stretch;padding:18px;color:inherit;font:inherit}.ep-topic-question-card .ep-question-result-head{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:14px}.ep-topic-question-card .ep-question-main{min-width:0;display:flex;flex-direction:column;gap:5px;text-align:left}.ep-topic-question-card .ep-question-topic{color:var(--ink);font-size:18px;font-weight:800;line-height:1.25}.ep-topic-question-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--muted);font-family:Nunito Sans,sans-serif;font-size:14px;font-weight:700}.ep-topic-level-badge{display:inline-flex;align-items:center;min-height:21px;padding:1px 8px;border:1px solid #e0e5ec;border-radius:9999px;background:#f5f7fa;font-family:Nunito Sans,sans-serif;font-size:11px;font-weight:800;line-height:1}.ep-topic-level-badge-higher{border-color:#dea0bf;background:#dea0bf;color:#fff}.ep-topic-level-badge-ordinary{border-color:#acd0ed;background:#acd0ed;color:#fff}.ep-topic-level-badge-other{color:var(--muted)}.ep-topic-question-card .ep-question-detail{align-items:flex-end}.ep-question-arrow{flex:0 0 auto;color:var(--faint)}.ep-topic-bar .ep-back:focus-visible,.ep-topic-level-filter-button:focus-visible,.ep-topic-grid-toggle-button:focus-visible,.ep-topic-question-card:focus-visible{outline:3px solid rgba(91,151,233,.34);outline-offset:2px}@media(max-width:780px){.ep-topic-grid-toggle{display:none}.ep-topic-question-list-two{grid-template-columns:minmax(0,1fr)}}@media(max-width:640px){.ep-topic-screen{padding:16px 20px 56px}.ep-topic-bar{gap:10px}.ep-topic-bar .ep-back{min-height:38px;padding:0 12px}.ep-topic-hero{padding:20px}.ep-topic-filter-row{align-items:flex-start;flex-direction:column}.ep-topic-question-card .ep-question-result-head{grid-template-columns:minmax(0,1fr) auto}.ep-topic-question-card .ep-question-arrow{display:none}}.aiep-screen,.aiep-reader{--aiep-blue: #5b97e9;--aiep-blue-dark: #397acb;--aiep-blue-soft: rgba(91, 151, 233, .12);--aiep-ink: #212121;--aiep-muted: #727782;--aiep-faint: #9ca3ad;--aiep-line: #e8ebef;--aiep-canvas: #f7f9fb;--aiep-paper-shadow: rgba(27, 36, 54, .11);--aiep-desk-green: #dbeee2;--aiep-desk-blue: #d9e6f6;width:calc(100% + 80px);min-height:calc(100vh - 60px);margin:-40px;border-radius:25px;background:#fff;color:var(--aiep-ink);box-sizing:border-box}.aiep-screen :where(button,input,select),.aiep-reader :where(button,input,textarea){font:inherit}.aiep-visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.aiep-screen{overflow-y:auto;padding:56px clamp(24px,5vw,72px) 64px}.aiep-hero{max-width:720px;margin:0 auto;text-align:center}.aiep-title{margin:0;color:var(--aiep-ink);font:700 32px/1.1 Montserrat,sans-serif}.aiep-subtitle{max-width:none;margin:8px 0 0;color:var(--aiep-muted);font:500 16px/1.55 Nunito Sans,sans-serif}.aiep-generate-panel{margin-top:26px}.aiep-prompt-bar{position:relative;display:flex;align-items:center;gap:10px;padding:8px 8px 8px 10px;border:1px solid #ececec;border-radius:999px;background:#fff;box-shadow:0 14px 34px #21212112;transition:border-color .15s ease,box-shadow .15s ease}.aiep-prompt-bar:focus-within{border-color:#5b97e98c;box-shadow:0 16px 38px #21212114}.aiep-subject-dropdown{position:relative;z-index:4;flex:0 0 auto;display:inline-flex;align-items:center;max-width:42%;min-width:0}.aiep-subject-trigger{max-width:100%;min-height:40px;display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:0;border-radius:999px;background:var(--aiep-blue-soft);color:var(--aiep-blue-dark);cursor:pointer;font:700 14px/1.2 Montserrat,sans-serif;transition:background .14s ease,box-shadow .14s ease}.aiep-subject-trigger>span:nth-child(2){min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.aiep-subject-trigger:hover,.aiep-subject-trigger.is-open{background:#5b97e92e}.aiep-subject-trigger:disabled{cursor:default;opacity:.58}.aiep-subject-chevron{width:7px;height:7px;flex:0 0 auto;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .14s ease}.aiep-subject-trigger.is-open .aiep-subject-chevron{transform:translateY(2px) rotate(225deg)}.aiep-subject-art{position:relative;width:34px;height:34px;display:inline-grid;flex:0 0 auto;place-items:center;overflow:hidden;border-radius:50%;background:#fff;color:var(--aiep-blue-dark);font:800 13px/1 Montserrat,sans-serif}.aiep-subject-art>img{width:100%;height:100%;display:block;object-fit:contain}.aiep-subject-art>span{grid-area:1 / 1}.aiep-subject-art>img:not([hidden])+span{display:none}.aiep-subject-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:180px;max-width:calc(100vw - 56px);max-height:440px;overflow-y:auto;padding:6px;border:1px solid #ececec;border-radius:16px;background:#fff;box-shadow:0 18px 42px #1f407a29;text-align:left}.aiep-subject-menu-option{width:100%;display:flex;align-items:center;gap:10px;padding:10px 12px;border:0;border-radius:11px;background:transparent;color:#5f6b7a;cursor:pointer;text-align:left;font:700 14px/1.2 Montserrat,sans-serif}.aiep-subject-menu-option:hover,.aiep-subject-menu-option.is-selected{background:#5b97e91a;color:var(--aiep-blue)}.aiep-subject-menu-icon{width:24px;height:24px;padding:2px;border-radius:8px;background:#fff;box-shadow:inset 0 0 0 1px #5b97e924;box-sizing:border-box}.aiep-subject-menu-option.is-selected .aiep-subject-menu-icon{box-shadow:inset 0 0 0 2px #5b97e970}.aiep-subject-trigger-icon{width:24px;height:24px;border-radius:0;background:transparent}.aiep-input{min-width:120px;flex:1 1 auto;height:42px;padding:0 2px;border:0;outline:0;background:transparent;color:var(--aiep-ink);font:600 15.5px/1.3 Nunito Sans,sans-serif}.aiep-input::placeholder{color:#a1a6af;font-weight:600}.aiep-screen .aiep-prompt-bar .aiep-input:focus,.aiep-screen .aiep-prompt-bar .aiep-input:focus-visible{border-color:transparent;outline:none;background:transparent;box-shadow:none}.aiep-question-count{height:42px;display:flex;align-items:center;gap:2px;flex:0 0 auto;padding:3px 4px 3px 10px;border:1px solid var(--aiep-line);border-radius:999px;background:#fafbfc}.aiep-question-count-label{margin-right:3px;color:var(--aiep-muted);font:700 10px/1 Montserrat,sans-serif;letter-spacing:.05em;text-transform:uppercase}.aiep-question-count button{width:28px;height:28px;display:inline-grid;place-items:center;border:0;border-radius:50%;background:transparent;color:#69717e;cursor:pointer;font:700 18px/1 Nunito Sans,sans-serif}.aiep-question-count button:hover:not(:disabled){background:#eaf2fc;color:var(--aiep-blue-dark)}.aiep-question-count button:disabled{cursor:default;opacity:.3}.aiep-question-count output{min-width:22px;color:var(--aiep-ink);font:700 14px/1 Montserrat,sans-serif}.aiep-generate{width:42px;height:42px;min-height:42px;display:grid;place-items:center;flex:0 0 auto;padding:0;border:0;border-radius:999px;background:var(--aiep-blue);color:#fff;cursor:pointer;font:800 13px/1 Montserrat,sans-serif;box-shadow:none;transition:background .14s ease,transform .14s ease,box-shadow .14s ease}.aiep-generate:hover:not(:disabled){background:var(--aiep-blue-dark);box-shadow:none}.aiep-generate>span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.aiep-generate:disabled{cursor:default;box-shadow:none;opacity:.48}.aiep-prompt-support{margin-top:0}.aiep-topic-chips{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px 14px;margin:14px 0 0;color:#9e9e9e;font:700 13.5px/1.5 Nunito Sans,sans-serif}.aiep-topic-chips>span{color:inherit}.aiep-topic-chip{padding:2px 0;border:0;border-radius:0;background:transparent;color:#757575;cursor:pointer;font:inherit;text-decoration:underline;text-decoration-color:#d8dee6;text-underline-offset:3px;transition:color .13s ease,text-decoration-color .13s ease}.aiep-topic-chip:hover:not(:disabled){background:transparent;color:var(--aiep-blue-dark);text-decoration-color:var(--aiep-blue)}.aiep-topic-chip:disabled{cursor:default;opacity:.5}.aiep-error,.aiep-status{max-width:720px;margin:14px auto 0;padding:11px 14px;border-radius:13px;font:700 13px/1.45 Nunito Sans,sans-serif}.aiep-error{border:1px solid #ffd0c8;background:#fff4f2;color:#b42318}.aiep-status{background:var(--aiep-blue-soft);color:var(--aiep-blue-dark)}.aiep-library-panel{max-width:none;margin:52px 0 0}.aiep-desk-head{display:flex;align-items:baseline;gap:12px;margin:0 0 16px}.aiep-saved-title{margin:0;font:800 13px/1.2 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:#757575;white-space:nowrap}.aiep-desk-rule{height:1px;flex:1;background:var(--aiep-line)}.aiep-desk-count{color:#757575;font:700 13px/1 Nunito Sans,sans-serif;white-space:nowrap}.aiep-library-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:18px}.aiep-question-search{position:relative;min-width:180px;min-height:42px;display:flex;align-items:center;flex:0 1 220px;padding:0 14px 0 40px;border:1px solid var(--aiep-line);border-radius:999px;background:#fff;color:#8f96a0}.aiep-question-search:focus-within{border-color:#5b97e98c;box-shadow:0 10px 24px #5b97e91c}.aiep-search-icon{position:absolute;left:14px;top:50%;color:var(--aiep-faint);transform:translateY(-50%)}.aiep-question-search .aiep-search-input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--aiep-ink);font:700 15px/1 Montserrat,sans-serif}.aiep-subject-tabs{min-width:0;display:flex;align-items:center;flex-wrap:wrap;flex:1 1 auto;gap:10px}.aiep-subject-tab{min-height:38px;display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;padding:4px 16px 4px 8px;border:1px solid var(--aiep-line);border-radius:999px;background:#fff;color:var(--aiep-muted);cursor:pointer;font:700 14px/1.1 Montserrat,sans-serif;transition:transform .12s ease,color .16s ease,border-color .16s ease,background .16s ease}.aiep-subject-tab:hover{color:var(--aiep-ink);transform:translateY(-1px)}.aiep-subject-tab.is-active{border-color:transparent;background:var(--aiep-blue-soft);color:var(--aiep-blue-dark)}.aiep-subject-tab>span:last-child{color:inherit;opacity:.6}.aiep-subject-tab-icon{width:28px;height:28px;border-radius:0;background:transparent}.aiep-subject-tab-icon>img{width:20px;height:20px}.aiep-empty{min-height:230px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;border:1.5px dashed #d2d7df;border-radius:8px;background:#fcfcfd;text-align:center}.aiep-empty-icon{width:50px;height:50px;display:grid;place-items:center;border:1.5px dashed #cbd1d9;border-radius:50%;color:#a7aeb8;font:500 27px/1 Montserrat,sans-serif}.aiep-empty h3{margin:3px 0 0;font:800 16px/1.2 Montserrat,sans-serif}.aiep-empty p{margin:0;color:var(--aiep-muted);font:600 13px/1.4 Nunito Sans,sans-serif}.aiep-saved-groups{display:grid;gap:30px}.aiep-saved-subject-head{display:flex;align-items:center;gap:12px;min-width:0;margin:0 0 12px}.aiep-saved-subject-head h3{margin:0;min-width:0;overflow:hidden;color:#424242;text-overflow:ellipsis;white-space:nowrap;font:800 14px/1.2 Montserrat,sans-serif}.aiep-saved-subject-head>span{height:1px;flex:1;min-width:24px;background:#e2e4e9}.aiep-saved-subject-head small{color:#8a8f98;white-space:nowrap;font:700 12.5px/1 Nunito Sans,sans-serif}.aiep-saved-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:20px;padding:0;margin:0;list-style:none}.aiep-saved-card{position:relative;min-height:0;aspect-ratio:3 / 4;border:0;border-radius:4px;background:transparent;overflow:visible}.aiep-saved-open{position:relative;width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden;padding:14px 14px 12px;border:1px solid #ececec;border-radius:4px;background:#fff;color:var(--aiep-ink);cursor:pointer;text-align:left;box-shadow:0 1px 2px #141e320f,0 12px 26px var(--aiep-paper-shadow);transition:transform .15s ease,box-shadow .15s ease}.aiep-saved-open:hover{transform:translateY(-4px) rotate(-.4deg);box-shadow:0 2px 4px #141e321a,0 18px 36px #141e3221}.aiep-sheet-arc{position:absolute;top:-64px;right:-64px;width:150px;height:150px;border-radius:50%;background:#edf1f6}.aiep-saved-card--biology .aiep-sheet-arc{background:var(--aiep-desk-green)}.aiep-saved-card--chemistry .aiep-sheet-arc{background:var(--aiep-desk-blue)}.aiep-sheet-code{position:relative;color:#1a1a1a;font:700 8.5px/1 Carlito,Calibri,sans-serif}.aiep-sheet-cover{position:relative;display:block;margin-top:18px;text-align:center;font-family:Caladea,Cambria,Georgia,serif}.aiep-sheet-eyebrow{display:block;color:#555;font-size:8.5px;line-height:1.25}.aiep-saved-name{display:-webkit-box;margin-top:5px;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3;font:700 clamp(13px,1.3vw,15.5px)/1.18 "Caladea","Cambria",Georgia,serif}.aiep-saved-meta{display:block;margin-top:6px;color:#555;font:400 9.5px/1.3 Caladea,Cambria,Georgia,serif}.aiep-sheet-foot{position:relative;display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:9px;border-top:1px solid #eef0f2;color:var(--aiep-blue-dark);font:800 8px/1 Montserrat,sans-serif;letter-spacing:.05em;text-transform:uppercase}.aiep-saved-card--biology .aiep-sheet-foot{color:#3f9268}.aiep-saved-card--chemistry .aiep-sheet-foot{color:var(--aiep-blue)}.aiep-sheet-foot span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.aiep-saved-delete{position:absolute;z-index:3;top:7px;right:7px;width:29px;height:29px;border:0;border-radius:9px;background:#ffffffe6;color:#7d8490;cursor:pointer;opacity:0;font:700 17px/1 Montserrat,sans-serif;transition:opacity .12s ease,background .12s ease,color .12s ease}.aiep-saved-card:hover .aiep-saved-delete,.aiep-saved-delete:focus-visible{opacity:1}.aiep-saved-delete:hover{background:#fff0ee;color:#c23d32}.aiep-saved-card--loading{display:flex;flex-direction:column;gap:15px;padding:18px;border:1px solid #eceef1;border-radius:5px;background:#fff;box-shadow:0 12px 26px var(--aiep-paper-shadow)}.aiep-shimmer{display:block;border-radius:999px;background:linear-gradient(90deg,#edf0f4,#fafbfc,#edf0f4 90%);background-size:220% 100%;animation:aiep-shimmer 1.1s linear infinite}.aiep-shimmer-title{width:76%;height:18px;margin-top:46%}.aiep-shimmer-line{width:58%;height:11px}@keyframes aiep-shimmer{to{background-position:-220% 0}}.aiep-reader{display:flex;flex-direction:column;overflow:hidden}.aiep-reader-bar{min-height:68px;display:flex;align-items:center;gap:12px;padding:10px 24px;border-bottom:1px solid var(--aiep-line);background:#fffffff5}.aiep-back{min-height:38px;display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;padding:0 12px;border:1px solid var(--aiep-line);border-radius:999px;background:#fff;color:#4c535e;cursor:pointer;font:800 12px/1 Montserrat,sans-serif}.aiep-back:hover{border-color:#5b97e973;color:var(--aiep-blue-dark)}.aiep-reader-subject-icon{width:40px;height:40px;background:#f0f5fc}.aiep-reader-meta{min-width:0;display:flex;flex:1;flex-direction:column;gap:3px}.aiep-reader-subject{color:var(--aiep-blue-dark);font:800 10px/1 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase}.aiep-reader-title{overflow:hidden;color:var(--aiep-ink);text-overflow:ellipsis;white-space:nowrap;font:800 14px/1.3 Montserrat,sans-serif}.aiep-reader-tags{color:var(--aiep-muted);font-weight:600}.aiep-reader-actions{display:flex;align-items:center;gap:8px}.aiep-pill-badge,.aiep-save-status{min-height:32px;display:inline-flex;align-items:center;gap:6px;padding:0 11px;border-radius:999px;font:800 11px/1 Montserrat,sans-serif}.aiep-pill-badge{background:var(--aiep-blue-soft);color:var(--aiep-blue-dark)}.aiep-icon-btn{width:38px;height:38px;display:inline-grid;place-items:center;border:1px solid var(--aiep-line);border-radius:50%;background:#fff;color:#56606e;cursor:pointer}.aiep-icon-btn:hover{border-color:#5b97e973;color:var(--aiep-blue-dark)}.aiep-review-note{max-width:820px;width:calc(100% - 48px);min-height:58px;display:flex;align-items:center;gap:11px;margin:16px auto 0;padding:9px 10px 9px 13px;border:1px solid #dbe8f8;border-radius:15px;background:#f5f9fe}.aiep-review-note-icon{width:32px;height:32px;display:grid;flex:0 0 auto;place-items:center;border-radius:10px;background:var(--aiep-blue);color:#fff}.aiep-review-note>div{min-width:0;display:flex;flex:1;flex-direction:column}.aiep-review-note strong{color:#344052;font:800 12px/1.3 Montserrat,sans-serif}.aiep-review-note div>span{color:#697588;font:600 12px/1.4 Nunito Sans,sans-serif}.aiep-save-status{background:#e8f6ee;color:#277b56;white-space:nowrap}.aiep-reader-frame{flex:1;overflow:auto;margin-top:16px;padding:28px 32px 116px;background:#f1f3f6}.aiep-paper{position:relative;width:min(100%,820px);overflow:hidden;margin:0 auto;padding:56px 64px 40px;box-sizing:border-box;background:#fff;color:#111;box-shadow:0 8px 30px #141f3124;font-family:Carlito,Calibri,Segoe UI,sans-serif;line-height:1.45}.aiep-arc{position:absolute;top:-160px;right:-160px;width:460px;height:460px;border-radius:50%;background:#d9e6f6}.aiep-codes{position:relative;display:flex;justify-content:space-between;gap:18px;color:#111;font:700 12.5px/1.4 Carlito,Calibri,Segoe UI,sans-serif}.aiep-cover{position:relative;padding:18px 0 26px;text-align:center;font-family:Caladea,Cambria,Georgia,serif}.aiep-cover-eyebrow,.aiep-level,.aiep-marks,.aiep-instruction{margin:0}.aiep-cover-eyebrow{font-size:17px}.aiep-paper-title{margin:8px 0 6px;font:700 34px/1.18 Caladea,Cambria,Georgia,serif}.aiep-level{font-size:19px;line-height:1.45}.aiep-marks{margin-top:12px;font-size:16px;line-height:1.45}.aiep-instruction{display:block;max-width:560px;margin:26px auto 0;padding:14px 20px;border:1.4px solid #111;box-sizing:border-box;text-align:left;font:400 15px/1.45 Carlito,Calibri,Segoe UI,sans-serif;-webkit-text-stroke:.25px currentColor}.aiep-section-rule{border:0;border-top:1px solid #111;margin:8px 0 24px}.aiep-body{display:block}.aiep-q-block{position:relative;margin:0 0 24px;border-radius:4px;break-inside:avoid;transition:background .14s ease}.aiep-q-block:hover,.aiep-q-block.is-editing{background:#5b97e909}.aiep-remove-question{position:absolute;z-index:2;top:-22px;right:0;display:inline-flex;align-items:center;gap:5px;padding:4px 7px;border:0;border-radius:7px;background:transparent;color:#a0a5ad;cursor:pointer;opacity:0;font:700 10px/1 Nunito Sans,sans-serif;transition:opacity .12s ease,background .12s ease,color .12s ease}.aiep-q-block:hover .aiep-remove-question,.aiep-q-block:focus-within .aiep-remove-question,.aiep-remove-question:focus-visible{opacity:1}.aiep-remove-question:hover:not(:disabled){background:#fff0ee;color:#be3b31}.aiep-remove-question:disabled{cursor:default;opacity:.25!important}.aiep-q{display:grid;grid-template-columns:32px minmax(0,1fr) auto;gap:0;align-items:start;font-size:15.5px;line-height:1.45}.aiep-q-num{font-weight:700}.aiep-q-text{min-width:0;-webkit-text-stroke:.25px currentColor}.aiep-q-text-button{width:100%;display:block;padding:0;border:0;outline:0;background:transparent;color:inherit;cursor:text;text-align:left;font:inherit}.aiep-q-text-button:focus-visible{border-radius:3px;box-shadow:0 0 0 3px #5b97e924}.aiep-q-line{display:block;margin:0 0 4px}.aiep-q-line--alpha{display:grid;grid-template-columns:32px minmax(0,1fr)}.aiep-q-line--roman{display:grid;grid-template-columns:42px minmax(0,1fr);margin-left:32px}.aiep-q-label{grid-column:1}.aiep-q-line-text{grid-column:2}.aiep-part-answer{grid-column:2;display:block;margin:5px 0 14px;border:1.7px solid #111;box-sizing:border-box}.aiep-answer-box--lined{background-image:repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--aiep-answer-line-height) - 1px),rgba(17,17,17,.34) var(--aiep-answer-line-height))}.aiep-q-marks{padding:0 0 0 12px;border:0;outline:0;background:transparent;color:inherit;cursor:text;white-space:nowrap;font:700 15.5px/1.45 Carlito,Calibri,Segoe UI,sans-serif}.aiep-q-marks:focus-visible{border-radius:3px;box-shadow:0 0 0 3px #5b97e924}.aiep-q-editor{width:100%;min-height:88px;field-sizing:content;resize:vertical;overflow:hidden;padding:6px 8px;border:1px solid #dbe3ed;border-radius:5px;outline:0;background:#fff;color:#111;font:400 15.5px/1.45 Carlito,Calibri,Segoe UI,sans-serif;box-sizing:border-box}.aiep-q-editor:focus{border-color:#5b97e9b3;background:#fff;box-shadow:0 0 0 3px #5b97e91a}.aiep-mark-editor{display:inline-flex;align-items:center;padding-left:12px;font-weight:700}.aiep-mark-editor input{width:38px;height:28px;padding:0;border:1px solid transparent;border-radius:5px;outline:0;background:transparent;color:#111;text-align:center;font:700 15.5px/1 Carlito,Calibri,Segoe UI,sans-serif;-webkit-appearance:textfield;-moz-appearance:textfield;appearance:textfield}.aiep-mark-editor input::-webkit-inner-spin-button,.aiep-mark-editor input::-webkit-outer-spin-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin:0}.aiep-mark-editor input:hover,.aiep-mark-editor input:focus{border-color:#5b97e9a6;background:#fff}.aiep-answer{display:block;margin:8px 0 0 40px;border:1.7px solid #111;box-sizing:border-box}.aiep-footer{position:relative;display:flex;justify-content:space-between;gap:18px;margin-top:36px;padding-top:10px;border-top:1px solid #777;color:#3f4652;font:italic 12.5px/1.4 Caladea,Cambria,Georgia,serif}.aiep-undo-toast{position:fixed;z-index:300;right:28px;bottom:28px;min-height:48px;display:flex;align-items:center;gap:14px;padding:0 8px 0 16px;border-radius:14px;background:#242830;color:#fff;box-shadow:0 15px 35px #1419213d;font:700 13px/1 Nunito Sans,sans-serif}.aiep-undo-toast button{border:0;background:transparent;color:#91baf1;cursor:pointer;font:800 12px/1 Montserrat,sans-serif;text-transform:uppercase}.aiep-undo-toast .aiep-undo-dismiss{width:32px;height:32px;padding:0;border-radius:9px;color:#abb0b8;font-size:18px}.aiep-undo-toast .aiep-undo-dismiss:hover{background:#ffffff14;color:#fff}@media(max-width:900px){.aiep-screen,.aiep-reader{width:calc(100% + 48px);min-height:calc(100vh - 40px);margin:-24px}.aiep-screen{padding:56px 24px 64px}.aiep-library-panel{margin-top:44px}.aiep-reader-bar{padding-left:72px}}@media(max-width:720px){.aiep-title{font-size:30px}.aiep-prompt-bar{align-items:stretch;flex-wrap:wrap;padding:10px;border-radius:24px}.aiep-subject-dropdown{width:100%}.aiep-subject-trigger{width:100%;max-width:none;justify-content:flex-start}.aiep-subject-chevron{margin-left:auto}.aiep-input{flex:1 1 calc(100% - 66px);padding-left:10px}.aiep-question-count{order:3;margin-left:0}.aiep-generate{flex:0 0 42px;order:4}.aiep-library-toolbar{flex-direction:column;align-items:stretch}.aiep-question-search,.aiep-subject-tabs{width:100%}.aiep-reader-bar{flex-wrap:wrap;padding:12px 16px 12px 68px}.aiep-reader-meta{order:3;flex-basis:100%}.aiep-reader-actions{margin-left:auto}.aiep-review-note{align-items:flex-start}.aiep-save-status{display:none}.aiep-reader-frame{padding:16px 14px 50px}.aiep-paper{padding:34px 24px}.aiep-paper-title{font-size:25px}.aiep-q{grid-template-columns:24px minmax(0,1fr) auto}.aiep-mark-editor{padding-left:8px}.aiep-answer{margin-left:32px}.aiep-q-line--roman{grid-template-columns:36px minmax(0,1fr);margin-left:20px}}@media(max-width:600px){.aiep-screen,.aiep-reader{width:calc(100% + 32px);margin:-16px;border-radius:20px}.aiep-screen{padding:30px 16px 48px}.aiep-subtitle{font-size:15px}.aiep-desk-count,.aiep-saved-subject-head small{display:none}.aiep-saved-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.aiep-saved-open{padding:11px}.aiep-review-note{width:calc(100% - 28px)}.aiep-pill-badge{display:none}.aiep-remove-question{opacity:1}.aiep-undo-toast{right:14px;bottom:14px;left:14px}}@media(max-width:390px){.aiep-saved-grid{grid-template-columns:1fr}}@media print{body:has(.aiep-reader) .sidebar,body:has(.aiep-reader) .sidebar-mobile-toggle,body:has(.aiep-reader) .aiep-reader-bar,body:has(.aiep-reader) .aiep-review-note,body:has(.aiep-reader) .aiep-undo-toast,body:has(.aiep-reader) .aiep-remove-question{display:none!important}body:has(.aiep-reader) .dashboard-main,body:has(.aiep-reader) .dashboard-content-box,body:has(.aiep-reader) .dashboard-content,body:has(.aiep-reader) .aiep-reader{width:auto!important;min-height:0!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;box-shadow:none!important;background:#fff!important}body:has(.aiep-reader) .aiep-reader-frame{overflow:visible;margin:0;padding:0;background:#fff}body:has(.aiep-reader) .aiep-paper{width:190mm;min-height:0;overflow:visible;padding:14mm 16mm;box-shadow:none}body:has(.aiep-reader) .aiep-q-block{margin-bottom:24px;background:transparent}body:has(.aiep-reader) .aiep-q-editor,body:has(.aiep-reader) .aiep-mark-editor input{border:0;box-shadow:none;background:transparent}}.homework-page{--hw-blue: #5b97e9;--hw-ink: #1f242b;--hw-muted: #70757d;color:var(--hw-ink);font-family:Montserrat,sans-serif}.hw-page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:28px}.hw-eyebrow{margin-bottom:3px;color:#8b7548;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.hw-page-header h1{font-family:"Instrument Serif",serif;font-size:48px;font-weight:400;line-height:1.05}.hw-page-subtitle{margin-top:8px;color:var(--hw-muted);font-family:Nunito Sans,sans-serif;font-size:15px}.hw-header-actions{display:flex;gap:10px;flex-shrink:0}.hw-header-actions button,.hw-empty-state button,.hw-open-class{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 17px;border:1px solid #e5e7ea;border-radius:999px;background:#fff;color:#4b5159;font:600 12px Montserrat,sans-serif;cursor:pointer;transition:border-color .18s ease,background .18s ease,color .18s ease,transform .18s ease}.hw-header-actions button:hover,.hw-open-class:hover{border-color:#cdd8e6;background:#f7faff;color:#2f6ebd}.hw-header-actions .hw-primary-action,.hw-empty-state button{border-color:var(--hw-blue);background:var(--hw-blue);color:#fff}.hw-header-actions .hw-primary-action:hover,.hw-empty-state button:hover{border-color:#407fcf;background:#407fcf;color:#fff;transform:translateY(-1px)}.hw-error{margin-bottom:18px;padding:11px 14px;border:1px solid #f2c7c3;border-radius:12px;background:#fff5f4;color:#aa4038;font-size:12px;font-weight:600}.hw-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;margin-bottom:24px}.hw-summary-card{position:relative;min-height:136px;padding:21px 20px 18px;overflow:hidden;border:1px solid #e9ebee;border-radius:18px;background:#fafbfc}.hw-summary-card:after{content:"";position:absolute;right:-22px;bottom:-34px;width:90px;height:90px;border-radius:50%;background:#ffffff8a}.hw-summary-card strong,.hw-summary-card>span:not(.hw-summary-icon),.hw-summary-card small{position:relative;z-index:1;display:block}.hw-summary-card strong{margin-top:2px;color:#21252b;font:600 29px/1.2 Montserrat,sans-serif}.hw-summary-card>span:not(.hw-summary-icon){margin-top:2px;font-size:12px;font-weight:700}.hw-summary-card small{margin-top:4px;color:#838891;font:500 10px Montserrat,sans-serif}.hw-summary-icon{position:absolute;top:18px;right:18px;display:grid;width:36px;height:36px;place-items:center;border-radius:11px}.hw-summary-total{background:#f1f6fd;border-color:#dce9f8}.hw-summary-total .hw-summary-icon{background:#dceafc;color:#3979c7}.hw-summary-due{background:#fdf8ed;border-color:#f3e7cc}.hw-summary-due .hw-summary-icon{background:#f7e8c5;color:#9d762e}.hw-summary-overdue{background:#fafafa}.hw-summary-overdue .hw-summary-icon{background:#efeff0;color:#747981}.hw-summary-overdue.has-alert{background:#fff3f2;border-color:#f4d5d2}.hw-summary-overdue.has-alert .hw-summary-icon{background:#f9dedb;color:#ba4d44}.hw-summary-progress{background:#f1f8f3;border-color:#dcecdf}.hw-summary-progress .hw-summary-icon{background:#dcefe0;color:#4a8b59}.hw-toolbar{display:grid;grid-template-columns:minmax(250px,1fr) auto auto;align-items:end;gap:12px;padding:15px;border:1px solid #ebedf0;border-radius:16px;background:#fafafa}.hw-search{display:flex;align-items:center;gap:9px;height:42px;padding:0 13px;border:1px solid #e1e4e8;border-radius:11px;background:#fff;color:#969ba3}.hw-search:focus-within{border-color:#9dc0ed;box-shadow:0 0 0 3px #5b97e91a}.hw-search input{width:100%;border:0;outline:0;background:transparent;color:#30353b;font:500 12px Montserrat,sans-serif}.hw-search input::placeholder{color:#9ca1a8}.hw-select-wrap{display:flex;align-items:center;gap:8px;color:#858a91;font-size:10px;font-weight:700;text-transform:uppercase}.hw-select-wrap select{height:42px;min-width:150px;padding:0 32px 0 12px;border:1px solid #e1e4e8;border-radius:11px;outline:none;background:#fff;color:#444a51;font:600 11px Montserrat,sans-serif}.hw-status-filters{display:flex;gap:6px;margin:14px 0}.hw-status-filters button{min-height:31px;padding:0 13px;border:1px solid transparent;border-radius:999px;background:transparent;color:#777d85;font:600 11px Montserrat,sans-serif;cursor:pointer}.hw-status-filters button:hover{background:#f4f5f6;color:#3b4148}.hw-status-filters button.active{border-color:#dfe5ec;background:#edf4fd;color:#3976bd}.hw-workspace{display:grid;grid-template-columns:minmax(0,1fr);gap:15px;align-items:start}.hw-workspace.has-detail{grid-template-columns:minmax(600px,1fr) minmax(270px,330px)}.hw-list-card,.hw-detail{border:1px solid #e7e9ec;border-radius:17px;background:#fff;box-shadow:0 4px 18px #27313e09}.hw-list-card{min-width:0;overflow:hidden}.hw-list-header,.hw-assignment-row{display:grid;grid-template-columns:minmax(150px,1.6fr) minmax(75px,.8fr) minmax(65px,.58fr) minmax(90px,.72fr) 62px;align-items:center;column-gap:14px}.hw-list-header{min-height:43px;padding:0 16px;border-bottom:1px solid #eceef1;background:#f9fafb;color:#91969d;font-size:9px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.hw-assignment-row{width:100%;min-height:72px;padding:11px 16px;border:0;border-bottom:1px solid #f0f1f2;background:#fff;color:#4d535a;font:500 11px Montserrat,sans-serif;text-align:left;cursor:pointer;transition:background .15s ease,box-shadow .15s ease}.hw-assignment-row:last-child{border-bottom:0}.hw-assignment-row:hover{background:#fbfcfe}.hw-assignment-row.selected{background:#f4f8fd;box-shadow:inset 3px 0 0 var(--hw-blue)}.hw-assignment-main{display:flex;align-items:center;gap:11px;min-width:0}.hw-assignment-main>span:last-child{min-width:0}.hw-assignment-main strong{display:block;overflow:hidden;color:#282d33;font-size:11px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.hw-assignment-main small{display:block;margin-top:4px;overflow:hidden;color:#8a8f96;font-size:9px;font-weight:500;text-overflow:ellipsis;white-space:nowrap}.hw-type-icon{display:grid;width:36px;height:36px;flex:0 0 36px;place-items:center;border-radius:11px;background:#f7ead0;color:#a17b34}.hw-type-exam,.hw-type-ai-paper{background:#e7f0fc;color:#497fbf}.hw-assignment-class,.hw-assignment-due{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hw-assignment-due.overdue{color:#bd5048;font-weight:700}.hw-assignment-completion{display:flex;align-items:center;gap:8px}.hw-assignment-completion strong{min-width:29px;color:#51575e;font-size:10px;text-align:right}.hw-mini-progress,.hw-progress-track{display:block;overflow:hidden;border-radius:999px;background:#e9ecef}.hw-mini-progress{width:54px;height:5px}.hw-mini-progress i,.hw-progress-track span{display:block;height:100%;border-radius:inherit;background:#65a274}.hw-status{display:inline-flex;align-items:center;justify-content:center;min-height:23px;padding:0 8px;border-radius:999px;background:#edf4fd;color:#417bbb;font-size:9px;font-style:normal;font-weight:700;white-space:nowrap}.hw-status-overdue{background:#fbe5e3;color:#b94c45}.hw-status-due-soon{background:#faedcf;color:#936c22}.hw-status-completed{background:#e2f1e5;color:#468555}.hw-detail{position:sticky;top:16px;overflow:hidden;padding:21px}.hw-detail-accent{position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#e2bd6d,#f0d79d)}.hw-detail-topline{display:flex;align-items:center;justify-content:space-between;gap:12px}.hw-detail-type{color:#8e7441;font-size:9px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.hw-detail h2{margin-top:14px;color:#252a30;font:700 17px/1.35 Montserrat,sans-serif}.hw-detail-class{margin-top:4px;color:#7e848b;font:500 11px Montserrat,sans-serif}.hw-detail-progress{margin-top:20px;padding:15px;border-radius:13px;background:#f5f8f6}.hw-detail-progress-head{display:flex;align-items:center;justify-content:space-between;color:#59615c;font-size:10px;font-weight:700}.hw-detail-progress-head strong{color:#397748;font-size:14px}.hw-progress-track{height:7px;margin-top:9px;background:#dfe6e1}.hw-detail-progress p{margin-top:7px;color:#858c87;font:500 9px Montserrat,sans-serif}.hw-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.hw-detail-grid>div{min-width:0;padding:11px;border:1px solid #eceef0;border-radius:11px}.hw-detail-grid dt{display:flex;align-items:center;gap:6px;color:#969ba1;font-size:8px;font-weight:700;text-transform:uppercase}.hw-detail-grid dd{margin-top:5px;overflow:hidden;color:#42484f;font-size:10px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.hw-student-section{margin-top:20px;padding-top:17px;border-top:1px solid #eceef0}.hw-student-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}.hw-student-heading h3{font-size:11px;font-weight:700}.hw-student-heading span{color:#969ba1;font-size:9px}.hw-student-list{max-height:258px;overflow-y:auto;padding-right:3px}.hw-student-row{display:flex;align-items:center;gap:9px;min-height:46px;border-bottom:1px solid #f0f1f2}.hw-student-row:last-child{border-bottom:0}.hw-student-avatar{display:grid;width:28px;height:28px;flex:0 0 28px;place-items:center;border-radius:50%;background:#edf3fa;color:#4b78aa;font-size:10px;font-weight:700}.hw-student-name{min-width:0;flex:1}.hw-student-name strong,.hw-student-name small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hw-student-name strong{color:#454b52;font-size:9px}.hw-student-name small{margin-top:2px;color:#999ea4;font-size:8px}.hw-student-percent{color:#777d84;font-size:9px;font-weight:700}.hw-student-percent.complete{color:#4a8b59}.hw-detail-empty{padding:16px 8px;color:#92979e;font:500 10px/1.5 Montserrat,sans-serif;text-align:center}.hw-open-class{width:100%;margin-top:17px}.hw-no-results,.hw-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.hw-no-results{min-height:240px;color:#9a9fa5}.hw-no-results strong{margin-top:9px;color:#535960;font-size:12px}.hw-no-results span{margin-top:3px;font-size:10px}.hw-empty-state{min-height:390px;margin-top:8px;border:1px dashed #dfe3e8;border-radius:19px;background:#fafbfc}.hw-empty-state>span{display:grid;width:58px;height:58px;place-items:center;border-radius:17px;background:#f5ead3;color:#9d7837}.hw-empty-state h2{margin-top:17px;font-size:17px}.hw-empty-state p{margin:7px 20px 18px;color:#7f858d;font:400 13px Nunito Sans,sans-serif}.hw-skeleton-row{display:flex;align-items:center;gap:13px;height:72px;padding:0 16px;border-bottom:1px solid #f0f1f2}.hw-skeleton-row .skeleton-circle{width:36px;height:36px}.hw-skeleton-lines{flex:1}.hw-skeleton-lines .skeleton-text{width:45%}.hw-skeleton-lines .skeleton-text-sm{width:28%;margin-top:7px}@media(max-width:1250px){.hw-workspace.has-detail{grid-template-columns:1fr}.hw-detail{position:static}.hw-student-list{max-height:220px}}@media(max-width:1050px){.hw-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hw-toolbar{grid-template-columns:1fr 1fr}.hw-search{grid-column:1 / -1}.hw-select-wrap{display:grid;grid-template-columns:auto 1fr}.hw-select-wrap select{width:100%}.hw-list-header{display:none}.hw-assignment-row{grid-template-columns:minmax(210px,1.4fr) minmax(110px,.8fr) 90px}.hw-assignment-row>:nth-child(3),.hw-assignment-row>:nth-child(4){display:none}}@media(max-width:900px){.homework-page{padding-top:42px}}@media(max-width:700px){.hw-page-header{align-items:flex-start;flex-direction:column;margin-bottom:22px}.hw-page-header h1{font-size:39px}.hw-header-actions{width:100%}.hw-header-actions button{flex:1;padding:0 12px}.hw-summary-grid{gap:9px}.hw-summary-card{min-height:126px;padding:17px 15px}.hw-summary-card strong{margin-top:9px;font-size:25px}.hw-summary-icon{width:31px;height:31px;top:14px;right:14px}.hw-toolbar{grid-template-columns:1fr;padding:11px}.hw-search{grid-column:auto}.hw-status-filters{overflow-x:auto;padding-bottom:3px}.hw-assignment-row{grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:11px 12px}.hw-assignment-row>:nth-child(2),.hw-assignment-row>:nth-child(3),.hw-assignment-row>:nth-child(4){display:none}.hw-assignment-main small{white-space:normal}.hw-detail{padding:18px 15px}}@media(max-width:430px){.hw-header-actions{flex-direction:column-reverse}.hw-summary-card{min-height:110px}.hw-detail-grid{grid-template-columns:1fr}}@media(max-width:330px){.hw-summary-grid{grid-template-columns:1fr}}.dashboard-layout{display:flex;min-height:100vh;background-color:#f7f7f7}.sidebar{width:260px;min-width:260px;background-color:#f7f7f7;display:flex;flex-direction:column;padding:30px 20px;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 12px;margin-bottom:40px}.sidebar-logo{height:32px;width:auto}.sidebar-brand-info{display:flex;flex-direction:column}.sidebar-brand-text{font-family:Montserrat,sans-serif;font-size:20px;font-weight:700;color:#000;line-height:1.2}.sidebar-brand-subtitle{font-family:Montserrat,sans-serif;font-size:12px;font-weight:500;color:#888}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar-nav-item{display:flex;align-items:center;gap:14px;padding:12px 20px;border:none;border-radius:50px;background:none;color:#666;font-family:Montserrat,sans-serif;font-size:15px;font-weight:500;cursor:pointer;transition:background-color .15s ease,color .15s ease;text-align:left;width:100%}.sidebar-nav-item:hover{background-color:#ececec;color:#333}.sidebar-nav-item.active{background-color:#fff;color:#000;font-weight:600}.sidebar-nav-icon{display:flex;align-items:center;justify-content:center;width:20px;height:20px;flex-shrink:0;transition:color .15s ease}.sidebar-nav-item:hover .sidebar-nav-icon,.sidebar-nav-item.active .sidebar-nav-icon{color:var(--ui-accent, #5b97e9)}.sidebar-nav-label{white-space:nowrap}.sidebar-footer{padding-top:20px;border-top:1px solid #e8e8e8}.sidebar-teacher{display:flex;align-items:center;gap:12px;padding:8px 8px 16px}.sidebar-teacher-avatar{width:38px;height:38px;border-radius:50%;background-color:#5b97e9;color:#fff;display:flex;align-items:center;justify-content:center;font-family:Montserrat,sans-serif;font-size:16px;font-weight:600;flex-shrink:0}.sidebar-teacher-info{display:flex;flex-direction:column;min-width:0}.sidebar-teacher-name{font-family:Montserrat,sans-serif;font-size:14px;font-weight:600;color:#000;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-teacher-subject{font-size:12px;color:#888;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-signout{width:100%;padding:10px;border:1px solid var(--ui-line);border-radius:50px;background-color:#ececec;color:#666;font-family:Montserrat,sans-serif;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.sidebar-signout:hover{background-color:#ffebee;color:#e53935}.dashboard-main{flex:1;margin-left:260px;padding:30px 30px 30px 20px;min-height:100vh}.dashboard-content-box{background-color:#fff;border:1px solid var(--ui-line);border-radius:25px;padding:40px;min-height:calc(100vh - 60px);box-shadow:0 8px 28px #1f407a0b;animation:fadeIn .4s ease}.dashboard-page-header{margin-bottom:30px}.dashboard-page-title{font-family:"Instrument Serif",serif;font-size:42px;font-weight:400;color:#000}.sidebar-mobile-toggle{display:none;position:fixed;top:16px;left:16px;z-index:200;width:44px;height:44px;border:1px solid var(--ui-line);border-radius:12px;background-color:#fff;box-shadow:0 2px 8px #0000001a;cursor:pointer;align-items:center;justify-content:center}.sidebar-mobile-backdrop{display:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:900px){.sidebar{transform:translate(-100%);transition:transform .3s ease;box-shadow:4px 0 20px #0000001a;background-color:#f7f7f7;overflow-y:auto}.sidebar.open{transform:translate(0)}.sidebar-mobile-toggle{display:flex}.sidebar-mobile-toggle.open{left:272px}.sidebar-mobile-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;display:block;width:100%;height:100%;border:0;background:#191e2457;cursor:pointer}.dashboard-main{margin-left:0;padding:20px}.dashboard-content-box{padding:24px;min-height:calc(100vh - 40px)}.dashboard-page-title{font-size:32px;padding-top:40px}}@media(max-width:600px){.dashboard-main{padding:12px}.dashboard-content-box{padding:20px 16px;border-radius:20px}.dashboard-page-title{font-size:28px}}.upload-widget{position:fixed;bottom:24px;right:24px;z-index:999;font-family:Montserrat,sans-serif}.upload-widget-pill{display:flex;align-items:center;gap:10px;padding:12px 20px;background:#fff;border:none;border-radius:25px;box-shadow:0 4px 20px #00000026;cursor:pointer;transition:all .2s ease;animation:widgetSlideIn .3s ease}.upload-widget-pill:hover{transform:translateY(-2px);box-shadow:0 6px 24px #0000002e}.upload-widget-pill-error{background:#fff5f5}.upload-widget-indicator{width:10px;height:10px;border-radius:50%;background:#5b97e9;animation:pulse 1.5s infinite}.upload-widget-error-icon{width:18px;height:18px;color:#e74c3c}.upload-widget-text{font-size:14px;font-weight:500;color:#333}.upload-widget-progress-text{font-size:13px;font-weight:600;color:#5b97e9}.upload-widget-expand-icon{width:16px;height:16px;color:#888;transition:transform .2s ease}.upload-widget-panel{background:#fff;border-radius:20px;box-shadow:0 8px 32px #0000002e;width:420px;max-height:500px;overflow:hidden;display:flex;flex-direction:column;animation:widgetSlideIn .3s ease}.upload-widget-header{display:flex;justify-content:space-between;align-items:center;padding:18px 20px 14px;border-bottom:1px solid #f0f0f0}.upload-widget-title{font-size:16px;font-weight:600;color:#333;margin:0}.upload-widget-close{width:32px;height:32px;border:none;border-radius:50%;background-color:#f5f5f5;color:#666;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.upload-widget-close:hover{background-color:#eee;color:#333}.upload-widget-list{overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}.upload-widget-item{background:#f8f9fa;border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px}.upload-widget-item-error{background:#fff5f5}.upload-widget-item-complete{background:#f0fdf4}.upload-item-header{display:flex;align-items:flex-start;gap:10px}.upload-item-icon{width:20px;height:20px;flex-shrink:0;margin-top:2px}.upload-item-icon-success{color:#22c55e}.upload-item-icon-error{color:#e74c3c}.upload-item-spinner{width:18px;height:18px;border:2px solid #e0e0e0;border-top-color:#5b97e9;border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0;margin-top:2px}.upload-item-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.upload-item-title{font-size:15px;font-weight:600;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upload-item-class{font-size:13px;color:#666;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upload-item-dismiss{width:24px;height:24px;border:none;border-radius:50%;background:transparent;color:#999;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}.upload-item-dismiss:hover{background:#0000000d;color:#666}.upload-item-progress-container{height:8px;background-color:#e0e0e0;border-radius:4px;overflow:hidden}.upload-item-progress-bar{height:100%;background:linear-gradient(90deg,#5b97e9,#7ab3f5);border-radius:4px;transition:width .3s ease}.upload-item-progress-row{display:flex;align-items:center;gap:12px}.upload-item-progress-row .upload-item-progress-container{flex:1}.upload-item-progress-percent{font-size:14px;font-weight:600;color:#5b97e9;min-width:42px;text-align:right}.upload-item-status{font-size:13px;color:#666}.upload-widget-item-error .upload-item-status{color:#e74c3c}.upload-widget-item-complete .upload-item-status{color:#22c55e}.upload-item-review-btn{padding:8px 16px;border:none;border-radius:20px;background-color:#5b97e9;color:#fff;font-family:Montserrat,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;align-self:flex-start}.upload-item-review-btn:hover{background-color:#4a85d1;transform:translateY(-1px)}@keyframes widgetSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.1)}}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){.upload-widget{bottom:16px;right:16px;left:16px}.upload-widget-panel{width:100%}.upload-widget-pill{width:100%;justify-content:center}}.bug-report-root{position:fixed;right:36px;bottom:36px;z-index:999;width:min(380px,calc(100vw - 32px));display:flex;flex-direction:column;align-items:flex-end;gap:12px;pointer-events:none;font-family:Montserrat,sans-serif}.bug-report-panel,.bug-report-launcher{pointer-events:auto}.bug-report-panel{width:100%;max-height:calc(100vh - 112px);overflow:auto;background:#fff;border:1px solid var(--ui-line, #e5ebf5);border-radius:18px;box-shadow:0 18px 48px #1f407a38;animation:bug-report-panel-in .22s cubic-bezier(.22,1,.36,1)}.bug-report-header{display:flex;align-items:flex-start;gap:12px;padding:18px 18px 14px;border-bottom:1px solid #eef2f8}.bug-report-header-icon,.bug-report-thanks-icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:14px}.bug-report-header-icon{width:40px;height:40px;background:var(--ui-accent-soft, rgba(91, 151, 233, .13));color:#4a7fcd}.bug-report-header-icon svg,.bug-report-launcher svg,.bug-report-icon-button svg,.bug-report-thanks-icon svg{width:20px;height:20px}.bug-report-heading{flex:1;min-width:0}.bug-report-heading h2,.bug-report-thanks h3{margin:0;color:#212121;font-size:18px;font-weight:700;line-height:1.2}.bug-report-heading p,.bug-report-thanks p{margin:5px 0 0;color:#667085;font-family:Nunito Sans,sans-serif;font-size:13px;font-weight:600;line-height:1.4}.bug-report-icon-button{flex:0 0 auto;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:#f3f6fa;color:#667085;cursor:pointer}.bug-report-tabs{display:flex;gap:6px;padding:10px 18px 0}.bug-report-tab{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px;border:0;border-radius:999px;background:transparent;color:#667085;font-family:Montserrat,sans-serif;font-size:12px;font-weight:700;cursor:pointer}.bug-report-tab-active{background:var(--ui-accent-soft, rgba(91, 151, 233, .13));color:#4a7fcd}.bug-report-tab-badge,.bug-report-launcher-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:#f04438;color:#fff;font-size:11px;font-weight:700;line-height:1}.bug-report-inbox{padding:12px 18px 18px}.bug-report-inbox-hint{margin:6px 0;color:#667085;font-family:Nunito Sans,sans-serif;font-size:13px;font-weight:600;line-height:1.45}.bug-report-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.bug-report-list-row{border:1px solid var(--ui-line, #e5ebf5);border-radius:12px;overflow:hidden}.bug-report-list-item{width:100%;display:flex;align-items:center;gap:10px;padding:10px 12px;border:0;background:#fff;cursor:pointer;text-align:left}.bug-report-list-item:hover{background:#f7fafd}.bug-report-status{flex:0 0 auto;padding:3px 8px;border-radius:999px;background:#f3f6fa;color:#667085;font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.bug-report-status-replied{background:#2eb87224;color:#1f8f5a}.bug-report-list-meta{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.bug-report-list-category{color:#212121;font-family:Nunito Sans,sans-serif;font-size:13px;font-weight:600;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bug-report-list-date{color:#98a2b3;font-family:Nunito Sans,sans-serif;font-size:11px;font-weight:600}.bug-report-unread-dot{flex:0 0 auto;width:9px;height:9px;border-radius:999px;background:#f04438}.bug-report-detail{padding:0 12px 12px;display:flex;flex-direction:column;gap:10px}.bug-report-detail-quote{margin:0;padding:9px 11px;border-left:3px solid #d8e0ec;border-radius:0 10px 10px 0;background:#f7fafd;color:#667085;font-family:Nunito Sans,sans-serif;font-size:12px;font-weight:600;line-height:1.45;white-space:pre-wrap;word-break:break-word}.bug-report-response{padding:10px 12px;border-radius:12px;background:#5b97e917}.bug-report-response-label{display:block;margin-bottom:4px;color:#4a7fcd;font-family:Montserrat,sans-serif;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.bug-report-response p{margin:0;color:#212121;font-family:Nunito Sans,sans-serif;font-size:13px;font-weight:600;line-height:1.5;white-space:pre-wrap;word-break:break-word}.bug-report-form,.bug-report-thanks{padding:16px 18px 18px}.bug-report-form{display:flex;flex-direction:column;gap:13px}.bug-report-field{display:flex;flex-direction:column;gap:7px}.bug-report-field span{color:#344054;font-size:12px;font-weight:700;line-height:1.2}.bug-report-field input,.bug-report-field select,.bug-report-field textarea{width:100%;border:1px solid #d8e0ec;border-radius:12px;background:#fff;color:#212121;font-family:Nunito Sans,sans-serif;font-size:14px;font-weight:600;line-height:1.35}.bug-report-field input,.bug-report-field select{height:42px;padding:0 12px}.bug-report-field textarea{min-height:102px;resize:vertical;padding:11px 12px}.bug-report-field input::placeholder,.bug-report-field textarea::placeholder{color:#98a2b3;font-weight:500}.bug-report-field input:focus,.bug-report-field select:focus,.bug-report-field textarea:focus{border-color:var(--ui-accent, #5b97e9);outline:3px solid var(--ui-focus-ring, rgba(91, 151, 233, .18))}.bug-report-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:2px}.bug-report-primary,.bug-report-secondary,.bug-report-retry,.bug-report-launcher{border:0;cursor:pointer;font-family:Montserrat,sans-serif;font-weight:700;transition:transform .14s ease,box-shadow .14s ease,background-color .14s ease,opacity .14s ease}.bug-report-primary,.bug-report-secondary{min-height:40px;padding:0 16px;border-radius:12px;font-size:13px}.bug-report-primary{background:var(--ui-accent, #5b97e9);color:#fff;box-shadow:0 8px 18px #5b97e942}.bug-report-primary:disabled,.bug-report-secondary:disabled{cursor:not-allowed;opacity:.48;box-shadow:none}.bug-report-secondary{background:#f3f6fa;color:#667085}.bug-report-error,.bug-report-load-error{margin:0;padding:10px 12px;border-radius:12px;background:#fff4f2;color:#b42318;font-family:Nunito Sans,sans-serif;font-size:13px;font-weight:600;line-height:1.35}.bug-report-load-error{display:flex;align-items:center;justify-content:space-between;gap:10px}.bug-report-retry{flex:0 0 auto;padding:6px 9px;border-radius:8px;background:#fff;color:#b42318;font-size:11px}.bug-report-launcher{min-height:50px;display:inline-flex;align-items:center;gap:10px;padding:0 18px;border-radius:999px;background:var(--ui-accent, #5b97e9);color:#fff;box-shadow:1px 3px #1f477d;font-size:14px}.bug-report-launcher:hover,.bug-report-primary:not(:disabled):hover{background:#4a7fcd;transform:translateY(-1px)}.bug-report-secondary:hover,.bug-report-icon-button:hover,.bug-report-retry:hover{background:#e8edf5}.bug-report-launcher:focus-visible,.bug-report-primary:focus-visible,.bug-report-secondary:focus-visible,.bug-report-retry:focus-visible,.bug-report-icon-button:focus-visible{outline:3px solid var(--ui-focus-ring, rgba(91, 151, 233, .28));outline-offset:3px}.bug-report-thanks{text-align:center}.bug-report-thanks-icon{width:46px;height:46px;margin:0 auto 12px;background:#2eb87224;color:#2eb872}.bug-report-thanks .bug-report-actions{justify-content:center;margin-top:18px}@keyframes bug-report-panel-in{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media(max-width:720px){.bug-report-root{right:28px;bottom:28px}.bug-report-panel{max-height:calc(100vh - 96px)}.bug-report-actions{flex-direction:column-reverse}.bug-report-primary,.bug-report-secondary{width:100%}}@media(max-height:760px){.bug-report-launcher{position:relative;width:50px;padding:0;gap:0;justify-content:center}.bug-report-launcher-label{display:none}.bug-report-launcher-badge{position:absolute;top:-3px;right:-3px}}@media(prefers-reduced-motion:reduce){.bug-report-panel,.bug-report-primary,.bug-report-secondary,.bug-report-launcher{animation:none;transition:none}}:root{--ui-accent: #5b97e9;--ui-accent-soft: rgba(91, 151, 233, .12);--ui-line: #e4e9f0;--ui-line-strong: #cfd9e6;--ui-surface: #ffffff;--ui-surface-subtle: #f7f9fc;--ui-ink: #202124;--ui-muted: #667085;--ui-card-radius: 22px;--ui-control-radius: 9999px;--ui-focus-ring: rgba(91, 151, 233, .28)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:Nunito Sans,sans-serif;background-color:#f7f7f7;color:var(--ui-ink);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:Montserrat,sans-serif}a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;height:auto}::selection{background-color:var(--ui-accent);color:#fff}:where(button,input,select,textarea,[role=button],[role=tab]):focus-visible{outline:3px solid var(--ui-focus-ring);outline-offset:2px}:is(.modal-content,.feed-modal-content,.add-quiz-modal,.manage-classes-modal,.teams-import-modal,.class-stats-modal,.stats-modal,.student-adaptive-modal,.live-rooms-create-modal,.live-room-questions-modal,.vr-association-modal,.vr-playback-modal){border:1px solid var(--ui-line)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.portal-main{min-height:100vh;padding:0;background-color:#fff}.italic{font-style:italic}.loading-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 300px);color:#666;font-size:16px}@keyframes skeletonShimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg,#e8e8e8 25%,#f2f2f2,#e8e8e8 75%);background-size:800px 100%;animation:skeletonShimmer 1.5s ease-in-out infinite;border-radius:8px}.skeleton-text{height:14px;border-radius:7px}.skeleton-text-sm{height:11px;border-radius:6px}.skeleton-text-lg{height:20px;border-radius:10px}.skeleton-circle{border-radius:50%}