.home-page[data-v-88ac4287]{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#323049;padding:20px}.container[data-v-88ac4287]{display:flex;width:100%;max-width:1200px;height:90vh;max-height:700px;background:#fff;border-radius:20px;box-shadow:0 30px 80px #0000004d;overflow:hidden;animation:fadeIn-88ac4287 .8s ease-out}@keyframes fadeIn-88ac4287{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.left[data-v-88ac4287]{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 50px;background:#f5f7fa;position:relative}.left[data-v-88ac4287]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:transparent;animation:rotate-88ac4287 20s linear infinite}@keyframes rotate-88ac4287{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.left-content[data-v-88ac4287]{position:relative;z-index:1;text-align:center}.left h1[data-v-88ac4287]{font-size:42px;margin-bottom:20px;color:#323049;font-weight:700;letter-spacing:-1px}.left p[data-v-88ac4287]{font-size:18px;color:#555;line-height:1.8;margin-bottom:40px;max-width:400px}.left img[data-v-88ac4287]{width:40%;max-width:350px;filter:drop-shadow(0 20px 40px rgba(102,126,234,.3));animation:float-88ac4287 3s ease-in-out infinite}@keyframes float-88ac4287{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.right[data-v-88ac4287]{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 50px;gap:20px;background:#fff;position:relative;z-index:1}.right h2[data-v-88ac4287]{font-size:32px;color:#333;margin-bottom:10px}.right p[data-v-88ac4287]{font-size:16px;color:#666;margin-bottom:30px;text-align:center}.button-group[data-v-88ac4287]{display:flex;flex-direction:column;gap:15px;width:100%;max-width:320px;position:relative;z-index:2}button[data-v-88ac4287]{padding:18px 50px;font-size:18px;cursor:pointer;border-radius:30px;border:none;font-weight:600;transition:all .3s ease;width:100%;position:relative;z-index:10;pointer-events:auto}button[data-v-88ac4287]:disabled{opacity:.6;cursor:not-allowed}#login_but[data-v-88ac4287]{background-color:#323049;color:#fff;box-shadow:0 10px 30px #667eea66}#login_but[data-v-88ac4287]:hover{transform:translateY(-3px);box-shadow:0 15px 40px #667eea99}#register_but[data-v-88ac4287]{background:#fff;border:1px solid #323049;color:#323049;box-shadow:0 5px 15px #0000001a}#register_but[data-v-88ac4287]:hover{background:#667eea;color:#fff;transform:translateY(-3px)}@media(max-width:1024px){.container[data-v-88ac4287]{height:90vh}.left h1[data-v-88ac4287]{font-size:36px}}@media(max-width:768px){.home-page[data-v-88ac4287]{padding:10px}.container[data-v-88ac4287]{flex-direction:column;width:95vw;height:auto;min-height:95vh;border-radius:20px}.left[data-v-88ac4287]{padding:40px 30px;min-height:50vh}.left h1[data-v-88ac4287]{font-size:32px}.left p[data-v-88ac4287]{font-size:15px;margin-bottom:30px}.left img[data-v-88ac4287]{width:25%;max-width:250px}.right[data-v-88ac4287]{padding:40px 30px}.right h2[data-v-88ac4287]{font-size:24px}.button-group[data-v-88ac4287]{max-width:280px}button[data-v-88ac4287]{padding:16px 40px;font-size:16px;border-radius:12px}}@media(max-width:480px){.container[data-v-88ac4287]{width:100vw;min-height:100vh;border-radius:0}.left[data-v-88ac4287]{padding:30px 20px}.left h1[data-v-88ac4287]{font-size:28px}.left p[data-v-88ac4287]{font-size:14px}.left img[data-v-88ac4287]{width:25%}.right[data-v-88ac4287]{padding:30px 20px}.button-group[data-v-88ac4287]{max-width:100%}button[data-v-88ac4287]{padding:15px 30px;font-size:15px}}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;min-height:100vh;display:flex;justify-content:center;align-items:center}#app{width:100%}.auth-container{background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;overflow:hidden}.header{background-color:#323049;padding:40px 30px;text-align:center;color:#fff}.header h1{font-size:28px;margin-bottom:10px;display:flex;align-items:center;justify-content:center;gap:12px}.logo-img-header{height:40px;width:auto;object-fit:contain}.header p{font-size:14px;opacity:.9}.tab-selector{display:flex;padding:20px 30px 0;gap:10px;border-bottom:2px solid #f0f0f0}.tab-btn{flex:1;padding:12px;background:transparent;border:none;cursor:pointer;font-size:16px;font-weight:600;color:#999;position:relative;transition:color .3s}.tab-btn:hover,.tab-btn.active{color:#323049}.tab-btn.active:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:3px;background-color:#323049;border-radius:3px 3px 0 0}.role-selector{display:flex;padding:30px 30px 20px;gap:15px}.role-btn{flex:1;padding:15px 10px;border:2px solid #e0e0e0;background:#fff;border-radius:12px;cursor:pointer;transition:all .3s;text-align:center}.role-btn:hover{border-color:#667eea;transform:translateY(-2px)}.role-btn.active{border-color:#667eea;background-color:#323049;color:#fff}.role-icon{font-size:32px;margin-bottom:8px}.role-text{font-size:13px;font-weight:600}.form-container{padding:0 30px 40px}.form-row{display:flex;gap:15px}.form-row .form-group{flex:1}.form-group label{display:block;margin-bottom:8px;color:#333;font-weight:600;font-size:14px}.form-group input,.form-group select{width:100%;padding:14px;border:2px solid #e0e0e0;border-radius:10px;font-size:15px;transition:border-color .3s;font-family:inherit}.form-group input:focus,.form-group select:focus{outline:none;border-color:#667eea}.submit-btn{width:100%;padding:16px;background-color:#323049;color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px #667eea66}.submit-btn:active{transform:translateY(0)}.submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block}.error-message{background:#fee;color:#c33;padding:12px;border-radius:8px;margin-bottom:20px;font-size:14px;text-align:center}.success-message{background:#efe;color:#3c3;padding:12px;border-radius:8px;margin-bottom:20px;font-size:14px;text-align:center}.parent-code-info{background:#f8f9ff;padding:12px;border-radius:8px;margin-bottom:20px;font-size:13px;color:#555;border-left:3px solid #667eea}.student-code-display{background:#f0f7ff;padding:15px;border-radius:10px;margin-top:20px;text-align:center;border:2px dashed #667eea}.student-code-display h3{color:#667eea;font-size:14px;margin-bottom:10px}.student-code-display .code{font-size:24px;font-weight:700;color:#333;letter-spacing:2px;font-family:monospace;margin:15px 0}.student-code-display p{font-size:12px;color:#666;margin-top:10px;margin-bottom:15px}.whatsapp-btn{margin-top:20px!important;padding:14px 24px!important;background-color:#25d366!important;color:#fff!important;border:none!important;border-radius:10px!important;font-size:15px!important;font-weight:600!important;cursor:pointer!important;transition:transform .2s,box-shadow .2s,background-color .2s;display:inline-flex!important;align-items:center!important;gap:10px!important;width:auto!important;min-width:200px!important;justify-content:center!important;visibility:visible!important;opacity:1!important}.whatsapp-btn:hover{background-color:#20ba5a;transform:translateY(-2px);box-shadow:0 5px 15px #25d36666}.whatsapp-btn:active{transform:translateY(0)}.whatsapp-icon{font-size:18px}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 60px);padding:40px}.loading-spinner{width:50px;height:50px;border:4px solid #e9eef6;border-top-color:#81c065;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-container p{color:#5c677d;font-size:16px;font-weight:600}.navbar{width:100%;background:#fff;padding:14px 40px;border-bottom:1px solid #e0e6ed;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:40;box-shadow:0 2px 8px #00000008;gap:20px;flex-wrap:nowrap}.logout-btn{padding:8px 18px;background:#fff;color:#323049;border:1.5px solid #323049;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:.18s;white-space:nowrap;flex-shrink:0}.logout-btn:hover{background:#0a3c74;color:#fff}.statistics-btn{padding:8px 18px;background:#323049;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:.18s;white-space:nowrap;flex-shrink:0}.statistics-btn:hover{background:#0a3c74}.welcome-section,.stats-section{background:#fff;border-radius:12px;padding:26px;box-shadow:0 6px 20px #0a14280a;border:1px solid #e9eef6}.stats-title{font-size:13px;font-weight:700;text-transform:uppercase;color:#6b7586;margin-bottom:12px}.stat-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #f1f4f8}.stat-item:last-child{border-bottom:none}.stat-item-label{color:#6b7586;font-size:14px}.stat-item-value{font-weight:800;color:#323049;font-size:20px}.school-filter-section{background:#f5faff;padding:40px 32px;border-radius:16px;margin-bottom:32px;box-shadow:0 10px 40px #3230494d}.filter-title{text-align:center;font-size:24px;font-weight:700;color:#000;margin-bottom:28px;text-shadow:0 2px 10px rgba(0,0,0,.1)}.school-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.school-card{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:3px solid transparent;position:relative;overflow:hidden}.school-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:transparent;transition:left .5s}.school-card:hover:before{left:100%}.school-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 12px 40px #32304940;border-color:#3230494d}.school-card.active{border-color:#323049;box-shadow:0 12px 40px #32304966;transform:translateY(-4px);background:#fff}.school-icon{font-size:48px;margin-bottom:12px;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.school-card.active .school-icon{animation:pulse 1.5s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.school-name{font-size:24px;font-weight:700;color:#323049;margin-bottom:8px}.school-description{font-size:13px;color:#666;margin-bottom:12px;min-height:36px}.school-count{font-size:14px;font-weight:600;color:#81c065;background:#81c06526;padding:6px 14px;border-radius:20px;display:inline-block;border:1px solid rgba(129,192,101,.2);box-shadow:0 2px 8px #81c0651a;transition:all .3s ease}.school-card.active .school-count{background:#81c065;color:#fff;box-shadow:0 4px 15px #81c06566;transform:scale(1.05)}.empty-state{text-align:center;padding:80px 20px;color:#999}.empty-text{font-size:18px;color:#666}.task-meta-info{display:flex;align-items:center;gap:12px;margin-top:8px}.task-badge{background:#323049;color:#fff;padding:4px 12px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase}.task-item{background:#fff;border-radius:12px;border:1px solid #e9eef6;padding:22px;display:flex;flex-direction:row;gap:20px;align-items:center;transition:transform .16s ease,box-shadow .16s ease;cursor:pointer}.task-item.completed-task{background:#f7f9fc;border-color:#d1e0f2;cursor:default}.task-item.completed-task:hover{transform:none;box-shadow:0 6px 20px #0a14280a;border-color:#d1e0f2}.task-icon{width:56px;height:56px;border-radius:12px;background:#81c065!important;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;flex-shrink:0;box-shadow:0 8px 20px #81c0654d;transition:all .3s ease}.task-title{font-size:18px;font-weight:700}.task-description{font-size:14px;color:#5c677d;margin-top:4px}.task-time-limit{font-size:13px;color:#e65100;margin-top:6px;font-weight:600;display:flex;align-items:center;gap:4px}.task-attempts{font-size:12px;color:#323049;margin-top:6px;font-weight:600}.task-arrow{font-size:24px;color:#323049;font-weight:700}.rright{display:flex;gap:12px;align-items:center}.btn-results{padding:8px 16px;background:#f7f8fb;color:#323049;border:1px solid #323049;border-radius:6px;font-weight:600;font-size:13px;cursor:pointer;transition:.18s}.btn-results:hover{background:#323049;color:#fff}.modal{position:fixed;inset:0;background:#04081099;z-index:90;display:flex;align-items:stretch;justify-content:stretch;padding:0;margin:0}.question-video-modal{z-index:1000!important;align-items:center;display:flex!important}.results-modal-container{background:#fff;border-radius:16px;width:90%;max-width:800px;max-height:90vh;display:flex;flex-direction:column;margin:auto}.results-header{padding:24px 32px;border-bottom:1px solid #e9eef6;display:flex;justify-content:space-between;align-items:center}.results-title{font-size:20px;font-weight:700}.results-body{flex:1;overflow-y:auto;padding:24px 32px}.results-list{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.result-item{display:flex;gap:16px;padding:20px;background:#f7f8fb;border-radius:10px;border:1px solid #e9eef6}.result-number{width:40px;height:40px;border-radius:50%;background:#323049;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.result-content{flex:1}.result-grade{font-size:24px;font-weight:800;color:#81c065;margin-bottom:8px}.result-details{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:#6b7586}.review-mode-container{margin-top:24px}.review-question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid #e9eef6}.review-question-number{font-size:20px;font-weight:700;color:#0a2540}.review-navigation{display:flex;gap:12px}.btn-nav{padding:10px 20px;background:#323049;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.btn-nav:hover:not(:disabled){background:#323049}.btn-nav:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.review-question-item{padding:24px;border-radius:12px;border:2px solid #e9eef6;background:#fff;margin-bottom:24px}.review-video-section{margin-top:24px;margin-bottom:24px}.review-video-label{font-size:16px;font-weight:600;color:#333;margin-bottom:12px}.review-video-container{width:100%;background:#000;border-radius:8px;overflow:hidden}.review-video-iframe{width:100%;height:500px;border:none}.results-footer{display:flex;gap:12px;justify-content:flex-end;padding-top:16px;border-top:1px solid #e9eef6}.detailed-results{max-width:900px}.detailed-results-summary{display:flex;gap:24px;margin-bottom:32px;padding:20px;background:#f7f8fb;border-radius:12px}.summary-item{display:flex;flex-direction:column;gap:8px}.summary-label{font-size:14px;color:#6b7586;font-weight:600}.summary-value{font-size:24px;font-weight:800;color:#323049}.detailed-questions-list{display:flex;flex-direction:column;gap:20px;margin-bottom:24px}.detailed-question-item{padding:24px;border-radius:12px;border:2px solid #e9eef6;background:#fff;transition:all .3s ease}.detailed-question-item.question-correct{border-color:#81c065;background:#f0fdf9}.detailed-question-item.question-wrong{border-color:#e44;background:#fff5f5}.detailed-question-item.question-review{border-color:#323049;background:#f0f4ff}.detailed-question-item.question-clickable{cursor:pointer}.detailed-question-item.question-clickable:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a;border-color:#323049}.question-header-detailed{display:flex;align-items:center;gap:12px;margin-bottom:16px}.question-video-indicator{margin-left:auto;display:flex;align-items:center;padding:6px;border-radius:6px;background:#e3f2fd;transition:all .2s ease}.detailed-question-item.question-clickable:hover .question-video-indicator{background:#323049;transform:scale(1.1)}.detailed-question-item.question-clickable:hover .question-video-indicator svg path{fill:#fff}.detailed-question-item.question-clickable:hover .question-video-indicator svg circle{stroke:#fff}.question-number-detailed{width:36px;height:36px;border-radius:50%;background:#323049;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.question-correct .question-number-detailed{background:#81c065}.question-wrong .question-number-detailed{background:#e44}.question-review .question-number-detailed{background:#323049}.question-status-icon{font-size:24px;font-weight:700}.status-correct{color:#81c065}.status-wrong{color:#e44}.status-review{color:#323049;font-size:18px}.question-text-detailed{font-size:16px;font-weight:600;color:#0a2540;margin-bottom:16px;line-height:1.5}.question-image-container-detailed{display:flex;justify-content:center;margin:16px 0}.question-image-detailed{width:100%;max-width:600px;height:auto;display:block;border-radius:8px;margin:8px 0;opacity:0;transition:opacity .3s ease;border:1px solid #e9eef6}.choices-detailed{display:flex;flex-direction:column;gap:12px}.choice-detailed{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;border:2px solid #e9eef6;background:#fff;transition:all .2s ease}.choice-correct{border-color:#81c065;background:#f0fdf9;border-width:2px}.choice-selected-wrong{border-color:#e44;background:#fff5f5;border-width:2px}.choice-selected-correct{border-color:#81c065;background:#f0fdf9;border-width:2px}.detailed-question-item.question-wrong .choice-correct,.choice-detailed.choice-correct{border-color:#81c065!important;background:#f0fdf9!important;border-width:2px}.choice-detailed.choice-correct .choice-letter{background:#81c065!important;color:#fff!important}.choice-detailed.choice-selected-wrong{border-color:#e44!important;background:#fff5f5!important;border-width:2px}.choice-detailed.choice-selected-wrong .choice-letter{background:#e44!important;color:#fff!important}.choice-detailed.choice-selected-correct{border-color:#81c065!important;background:#f0fdf9!important;border-width:2px}.choice-detailed.choice-selected-correct .choice-letter{background:#81c065!important;color:#fff!important}.choice-letter{width:28px;height:28px;border-radius:50%;background:#e9eef6;color:#6b7586;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.choice-correct .choice-letter{background:#81c065;color:#fff}.choice-selected-wrong .choice-letter{background:#e44;color:#fff}.choice-text-detailed{flex:1;font-size:15px;color:#0a2540}.choice-mark{font-size:20px;font-weight:700;color:#81c065}.choice-mark.wrong{color:#e44}.text-answer-detailed{display:flex;flex-direction:column;gap:12px}.answer-row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;background:#f7f8fb}.answer-label{font-weight:600;color:#6b7586;min-width:120px}.answer-value{font-size:15px;font-weight:600;color:#0a2540;padding:8px 12px;background:#fff;border-radius:6px;border:1px solid #e9eef6}.answer-wrong{color:#e44;border-color:#e44;background:#fff5f5}.answer-correct{color:#81c065;border-color:#81c065;background:#f0fdf9}.modal-container{width:100%;height:100vh;display:flex;padding:0;margin:0;gap:0}.left-sidebar{width:360px;background:#fff;border-right:none;display:flex;flex-direction:column;overflow-y:auto;padding-top:40px}.score-section,.timer-section,.smartscore-section{border-radius:0;overflow:visible;border:none;background:#fff;box-shadow:none}.score-title,.timer-title,.smartscore-title{background:#fff;color:#155e9b;padding:0;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.5px;margin:0}.timer-section.timer-warning .timer-title{background:#fff;color:#ff9800}.timer-section.timer-critical .timer-title{background:#fff;color:#e44;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.score-value,.smartscore-value{padding:28px;font-size:44px;font-weight:900;color:#1a1a2e;background:#fff;text-align:center;letter-spacing:-1px}.timer-display{padding:20px;background:#fff;text-align:center}.timer-value{font-size:48px;font-weight:900;color:#1a1a2e;font-family:Courier New,monospace;letter-spacing:-1px}.timer-section.timer-warning .timer-value{color:#ff9800}.timer-section.timer-critical .timer-value{color:#e44}.timer-subtitle{font-size:13px;color:#4a5568;margin-top:10px;font-weight:600}.progress-dot.answered{background:#e9eef6;border-color:#d1d9e6}.progress-dot.correct{background:#81c065;border-color:#81c065;box-shadow:0 0 0 3px #81c06533,0 4px 10px #81c0654d;animation:pulse-green 2s infinite}@keyframes pulse-green{0%,to{box-shadow:0 0 0 3px #81c06533,0 4px 10px #81c0654d}50%{box-shadow:0 0 0 6px #81c0651a,0 4px 15px #81c06566}}.progress-dot.wrong{background:#e44;border-color:#e44}.progress-dot.current{border-color:#323049;border-width:3px}.question-header{background:#fff;padding:22px 32px;border-bottom:1px solid #e9eef6;display:flex;justify-content:space-between;align-items:center}.question-title{font-size:18px;font-weight:700}.question-body{flex:1;padding:46px;overflow-x:hidden;overflow-y:auto;display:flex;align-items:flex-start;justify-content:center}.question-container{width:100%;max-width:880px}.question-number-badge{background:#323049;color:#fff;padding:10px 20px;border-radius:20px;font-weight:700;font-size:15px;display:inline-block;margin-bottom:20px;box-shadow:0 2px 8px #32304933}.question-text{font-size:26px;font-weight:600;margin-bottom:24px;color:#1a1a2e;line-height:1.6;letter-spacing:-.3px}.choices-container{display:flex;flex-direction:column;gap:12px;margin-top:24px}.choice-item{display:flex;align-items:center;gap:16px;padding:18px 22px;border:2px solid #e0e6ed;border-radius:12px;cursor:pointer;transition:all .2s;background:#fff;box-shadow:0 2px 4px #0000000a}.choice-item:hover:not(.disabled){border-color:#323049;background:#f7f9fc;transform:translate(4px)}.choice-item.selected:not(.disabled){border-color:#323049;background:#f0f4ff}.choice-item.correct{border-color:#81c065;background:#f0fdf9}.choice-item.wrong{border-color:#e44;background:#fff5f5}.choice-item.disabled{cursor:default}.choice-radio{width:36px;height:36px;border-radius:50%;border:2px solid #e9eef6;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0;background:#fff;transition:all .2s}.choice-item.selected:not(.disabled) .choice-radio{border-color:#323049;background:#323049;color:#fff}.choice-item.correct .choice-radio{border-color:#81c065;background:#81c065;color:#fff}.choice-item.wrong .choice-radio{border-color:#e44;background:#e44;color:#fff}.choice-text{flex:1;font-size:18px;color:#1a1a2e;font-weight:500;line-height:1.5;letter-spacing:-.2px}.answer-input{width:100%;padding:16px 18px;border-radius:10px;border:2px solid #eef3f8;font-size:18px;transition:box-shadow .16s,border-color .16s}.answer-input:focus{outline:none;border-color:#323049;box-shadow:0 8px 24px #3230491f}.answer-input.correct{border-color:#81c065;background:#f0fdf9;box-shadow:0 0 0 3px #81c0651a,inset 0 2px 4px #81c0650d}.answer-input.wrong{border-color:#e44;background:#fff5f5}.feedback-message{margin-top:18px;padding:16px 20px;border-radius:10px;display:flex;gap:12px;align-items:center;font-size:16px}.feedback-message.correct{background:#f0fdf9;color:#0d7a5f;border:2px solid #81C065;box-shadow:0 4px 15px #81c06533;position:relative;overflow:hidden}.feedback-message.correct:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:#81c065}.feedback-message.wrong{background:#fff5f5;color:#b71c1c;border:1px solid #ee4444}.question-footer{background:#fff;border-top:1px solid #e9eef6;padding:20px 36px;display:flex;justify-content:space-between;align-items:center}.btn{padding:12px 30px;border-radius:10px;font-weight:700;cursor:pointer;font-size:15px;border:none;transition:all .16s}.btn-check{background:#323049;color:#fff}.btn-check:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.btn-next{background:#81c065;color:#fff;box-shadow:0 6px 20px #81c06559;position:relative;overflow:hidden}.btn-next:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:transparent;transition:left .5s}.btn-next:hover:before{left:100%}.btn-next:hover{transform:translateY(-2px);box-shadow:0 10px 30px #81c06573;background:#81c065}.btn-next:active{transform:translateY(0);box-shadow:0 4px 15px #81c0654d}.btn-skip{background:#f7f8fb;color:#6b7586;border:1px solid #eef3f8}.completion-screen{text-align:center;padding:72px 40px}.question-image{width:100%;max-width:720px;height:auto;display:block;border-radius:8px;margin:8px 0;opacity:0;transition:opacity .3s ease}.question-image-container{display:flex;justify-content:center;margin:16px 0}.image-error{width:100%;max-width:720px}.completion-screen{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;min-height:500px;padding:0;width:100%;position:relative;overflow:visible}.completion-content{max-width:800px;width:100%;text-align:center;padding:40px 20px}.video-section-fullwidth{width:100%;margin:0 0 40px;background:#fff;border-radius:0;overflow:hidden;position:relative;box-sizing:border-box}.completion-screen .video-section-fullwidth{width:100%;margin-left:0;margin-right:0}.question-body .video-section-fullwidth{margin-left:calc(-50vw + 50% - 46px);margin-right:calc(-50vw + 50% - 46px)}.completion-content .video-section{max-width:none!important;width:100vw!important;margin-left:calc(-50vw + 50%)!important;margin-right:calc(-50vw + 50%)!important;margin-top:40px;margin-bottom:40px;border-radius:0;position:relative;left:50%;right:50%;transform:translate(-50%);background:#fff;overflow:hidden;box-sizing:border-box}.completion-header{margin:30px;text-align:center;padding:10px}.completion-title{font-size:32px;font-weight:700;color:#000;margin-bottom:10px}.completion-subtitle{font-size:18px;color:#000}.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;margin-bottom:40px}.result-card{background:#323049;padding:24px;border-radius:12px;color:#fff}.result-label{font-size:14px;margin-bottom:8px;font-weight:500;color:#fff}.result-value{font-size:36px;font-weight:700;color:#fff}.progress-board-container{margin:40px 0;width:100%}.progress-board-title{font-size:24px;font-weight:700;color:#333;margin-bottom:8px;text-align:center}.progress-board-subtitle{font-size:14px;color:#666;margin-bottom:24px;text-align:center}.progress-board{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:16px;max-width:100%;padding:20px;background:#f9f9f9;border-radius:12px}.progress-board-item{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:12px;border:3px solid #e0e0e0;background:#fff;cursor:pointer;transition:all .3s ease;position:relative;min-height:80px;user-select:none;-webkit-user-select:none;pointer-events:auto;z-index:1}.progress-board-item:hover{transform:translateY(-4px);box-shadow:0 8px 16px #00000026}.progress-board-item.correct{background:#81c065;border-color:#81c065;color:#fff}.progress-board-item.wrong{background:#e44;border-color:#e44;color:#fff}.progress-board-item.unanswered{background:#f5f5f5;border-color:#d0d0d0;color:#999}.progress-board-number{font-size:20px;font-weight:700;margin-bottom:4px}.progress-board-status{font-size:16px;font-weight:600}.question-video-modal-container{background:#fff;border-radius:16px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;position:relative;z-index:100;margin:auto}.question-video-header{display:flex;justify-content:space-between;align-items:center;padding:24px;border-bottom:1px solid #e9eef6}.question-video-title{font-size:20px;font-weight:700;color:#333}.question-video-body{padding:24px}.question-video-question{margin-bottom:24px}.question-video-question-text{font-size:18px;font-weight:600;color:#333;margin-bottom:16px;line-height:1.6}.question-video-image{margin-top:16px;text-align:center}.question-video-image img{max-width:100%;height:auto;border-radius:8px}.question-video-section{margin-top:24px}.question-video-label{font-size:16px;font-weight:600;color:#333;margin-bottom:12px}.question-video-container{width:100%;background:#000;border-radius:8px;overflow:hidden}.question-video-iframe{width:100%;height:500px;border:none}.question-video-no-video{padding:40px;text-align:center;color:#999;background:#f5f5f5;border-radius:8px;margin-top:24px}.question-video-answer-info{margin-top:24px;padding:20px;background:#f9f9f9;border-radius:8px}.answer-info-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.answer-info-item:last-child{margin-bottom:0}.answer-info-label{font-size:14px;color:#666;font-weight:500}.answer-info-value{font-size:16px;font-weight:600;padding:8px 16px;border-radius:6px}.answer-info-value.answer-correct{color:#81c065;background:#f0fdf9;border:1px solid #81C065}.answer-info-value.answer-wrong{color:#e44;background:#fff5f5;border:1px solid #ee4444}.question-video-footer{padding:20px 24px;border-top:1px solid #e9eef6;display:flex;justify-content:center}.video-section{margin-top:40px;background:#fff;border-radius:12px;overflow:hidden;width:100%;max-width:100%}.video-container{width:100%;display:flex;justify-content:center;align-items:center;background:#000}.result-video{width:100%;height:70vh;min-height:500px;max-height:800px;display:block;border:none;padding:0}.video-error{width:100%;height:70vh;min-height:500px;max-height:800px;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#f5f5f5;border:2px dashed #ccc;border-radius:8px;padding:40px;text-align:center;color:#666}.video-error p{margin:10px 0;font-size:16px}.video-error-url{font-size:12px;color:#999;word-break:break-all;max-width:100%}.completion-actions{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.btn-primary{margin-top:20px;background:#fff;color:#323049;padding:14px 32px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #ffffff4d}.btn-secondary{background:#323049;color:#fff;border:2px solid #323049;padding:14px 32px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}.btn-secondary:hover{background:#323049;border-color:#323049;transform:translateY(-2px);box-shadow:0 8px 20px #32304966}@media(max-width:1024px){.school-cards{grid-template-columns:repeat(3,1fr);gap:16px}.school-card{padding:20px 16px}.school-icon{font-size:40px}.school-name{font-size:20px}}@media(max-width:768px){.navbar{padding:12px 16px;gap:12px}.leftt{flex:1;min-width:0;max-width:calc(100% - 200px)}.navbar-brand{font-size:18px}.logo-img{height:28px}.student-name{font-size:12px}.navbar-actions{gap:8px}.statistics-btn,.logout-btn{padding:6px 12px;font-size:12px}.result-video{height:300px}.completion-screen .video-section-fullwidth{width:100%;margin-left:0!important;margin-right:0!important}.completion-content .video-section{width:100vw!important;margin-left:calc(-50vw + 50% - 14px)!important;margin-right:calc(-50vw + 50% - 14px)!important;left:50%;right:50%;transform:translate(-50%)}.result-video{height:50vh;min-height:300px;max-height:600px}.school-filter-section{padding:24px 16px}.filter-title{font-size:20px;margin-bottom:20px}.school-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.school-card{padding:16px 12px;min-height:140px;display:flex;flex-direction:column;justify-content:center;align-items:center}.school-icon{font-size:32px;margin-bottom:8px}.school-name{font-size:18px;margin-bottom:4px}.school-description{min-height:auto;font-size:11px;margin-bottom:8px}.school-count{font-size:12px;padding:4px 10px}.school-description{min-height:auto}.completion-title{font-size:24px}.results-grid{grid-template-columns:1fr}.result-value{font-size:28px}.completion-actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%}.progress-board{grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:12px;padding:16px}.progress-board-item{min-height:60px}.progress-board-number{font-size:16px}.progress-board-status{font-size:14px}.question-video-modal-container{width:95%;max-height:95vh}.question-video-iframe{height:300px}.question-text{font-size:20px;line-height:1.7;color:#1a1a2e}.choice-text{font-size:16px;line-height:1.6;color:#1a1a2e}.choice-item{padding:16px 18px}.question-number-badge{font-size:14px;padding:8px 16px}.timer-value{font-size:36px}.score-value,.smartscore-value{font-size:32px}.timer-subtitle{font-size:12px}}@media(max-width:880px){html,body{overflow-x:hidden}.modal-container{flex-direction:column;height:100vh;width:100%;margin:0;padding:0;gap:0}.leftt{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0;overflow:hidden}.student-name{font-weight:600;color:#333;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.navbar-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.left-sidebar{display:flex!important;flex-direction:row!important;width:100%;padding:0;margin:0;gap:0}.left-sidebar>.score-section,.left-sidebar>.timer-section,.left-sidebar>.smartscore-section{flex:0 0 33.3333%;width:33.3333%;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:8px 6px;min-height:72px;border:none}.left-sidebar>.smartscore-section{border-right:none}.left-sidebar .score-title,.left-sidebar .timer-title,.left-sidebar .smartscore-title{font-size:12px;font-weight:700;color:#155e9b;background-color:#fff;margin:0;padding:0;opacity:.95}.left-sidebar .timer-value,.left-sidebar .score-value,.left-sidebar .smartscore-value{font-size:23px}.left-sidebar .timer-labels,.left-sidebar .timer-subtitle,.left-sidebar .smartscore-subtitle,.left-sidebar .progress-section{display:none!important}.right-content{width:100%;flex:1 1 auto;overflow-y:auto;padding:14px;box-sizing:border-box;background:#fff;margin:0;border-radius:0;box-shadow:none}.question-header{padding:12px 14px}.question-body{padding:16px 14px}.question-text{font-size:20px}.right-content,.modal,.modal-container,.left-sidebar,.left-sidebar>*{max-width:100%;overflow-x:hidden}.task-item{min-width:370px;width:100%}}html,body,#app{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;background:#f5f7fb;color:#0a2540;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.4}.navbar{width:100%;background:#fff;padding:14px 40px;border-bottom:1px solid #e0e6ed;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:40;box-shadow:0 2px 8px #00000008}.navbar-brand{font-size:22px;font-weight:700;color:#323049;display:flex;align-items:center;gap:10px}.logout-btn{padding:8px 18px;background:#fff;color:#323049;border:1.5px solid #323049;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:.18s}.logout-btn:hover{background:#323049;color:#fff}.dashboard-content{display:flex;gap:28px;width:100%;padding:28px 48px;min-height:calc(100vh - 72px);align-items:flex-start}.left-panel{width:360px;flex-shrink:0;display:flex;flex-direction:column;gap:22px}.welcome-section,.child-card,.stats-section{background:#fff;border-radius:12px;padding:26px;box-shadow:0 6px 20px #0a14280a;border:1px solid #e9eef6}.welcome-title{font-size:20px;font-weight:700;margin-bottom:6px}.welcome-subtitle{font-size:14px;color:#5c677d}.stat-card{padding:0;background:transparent}.child-header{display:flex;align-items:center;gap:16px}.child-avatar{width:56px;height:56px;border-radius:50%;background:#14bf96;box-shadow:0 8px 20px #14bf964d;transition:all .3s ease;display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}.child-info{flex:1}.child-name{font-size:18px;font-weight:700;color:#0a2540;margin-bottom:4px}.child-meta{font-size:14px;color:#5c677d}.stats-title{font-size:16px;font-weight:700;text-transform:uppercase;color:#9ca3af;margin-bottom:24px;letter-spacing:.5px}.stats-grid{display:grid;grid-template-columns:1fr;gap:0}.stat-card{padding:20px 0;background:transparent;border-bottom:1px solid #f1f4f8;display:flex;justify-content:space-between;align-items:center}.stat-card:last-child{border-bottom:none}.stat-item-label{color:#6b7586;font-size:15px;font-weight:400}.stat-item-value{font-weight:700;color:#323049;font-size:28px}.right-panel{flex:1;display:flex;flex-direction:column;gap:18px}.section-header{display:flex;justify-content:space-between;align-items:center}.section-title{font-size:26px;font-weight:800}.empty-state{background:#fff;border-radius:12px;padding:60px 40px;text-align:center;border:1px solid #e9eef6;box-shadow:0 6px 20px #0a14280a}.empty-icon{font-size:64px;margin-bottom:20px;opacity:.5}.empty-text{font-size:18px;color:#6b7586}.task-list{display:flex;flex-direction:column;gap:16px}.task-item{background:#fff;border-radius:12px;border:1px solid #e9eef6;padding:22px;display:flex;gap:20px;align-items:center;justify-content:space-between;transition:transform .16s ease,box-shadow .16s ease;cursor:pointer}.task-item:hover{transform:translateY(-4px);box-shadow:0 12px 30px #32304914;border-color:#323049}.task-icon{width:56px;height:56px;border-radius:12px;background:#81c065!important;box-shadow:0 8px 20px #14bf964d;transition:all .3s ease;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;flex-shrink:0}.task-icon:hover{transform:scale(1.05) rotate(2deg);box-shadow:0 12px 30px #81c06566}.lleft{display:flex;gap:16px;align-items:center;flex:1}.task-content{flex:1}.task-header-inline{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px}.task-title{font-size:18px;font-weight:700;color:#0a2540}.task-description{font-size:14px;color:#5c677d;margin-bottom:10px}.task-footer-inline{display:flex;justify-content:space-between;align-items:center;gap:12px}.task-meta{font-size:13px;color:#6b7586}.rright{display:flex;align-items:center;flex-shrink:0}.task-status{padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}.status-pending{background:#fff3cd;color:#856404}.status-completed{background:#d4edda;color:#155724}.task-grade{font-size:13px;color:#14bf96;font-weight:700;white-space:nowrap;text-shadow:0 2px 4px rgba(20,191,150,.2)}.task-arrow{font-size:24px;color:#323049;font-weight:700;margin-left:8px}.modal{position:fixed;inset:0;background:#04081099;z-index:90;display:flex;align-items:stretch;justify-content:center}.modal-container{width:100%;height:100vh;display:flex}.left-sidebar{width:360px;background:#fff;padding:28px;border-right:1px solid #e9eef6;display:flex;flex-direction:column;gap:22px;overflow-y:auto}.score-section,.timer-section,.smartscore-section{border-radius:10px;overflow:hidden;border:1px solid #e9eef6}.score-title,.timer-title,.smartscore-title{background:#323049;color:#fff;padding:10px;font-weight:700;font-size:13px;text-transform:uppercase}.score-value,.smartscore-value{padding:28px;font-size:44px;font-weight:800;color:#323049;background:#f7f8fb;text-align:center}.timer-display{background:#f7f8fb;padding:28px;text-align:center}.timer-value{font-size:32px;font-weight:800;color:#323049;font-family:Courier New,monospace}.smartscore-subtitle{padding:10px;background:#f7f8fb;color:#6b7586;font-size:12px;text-align:center}.progress-section{padding:20px;background:#fff;border-radius:10px;border:1px solid #e9eef6}.progress-title{font-size:13px;font-weight:700;text-transform:uppercase;color:#6b7586;margin-bottom:12px}.progress-items{display:flex;gap:8px;flex-wrap:wrap}.progress-dot{width:20px;height:20px;border-radius:50%;border:2px solid #eef3f8;background:#fff;transition:all .18s}.progress-dot.correct{background:#14bf96;border-color:#14bf96;box-shadow:0 0 0 3px #14bf9633,0 4px 10px #14bf964d;animation:pulse-green 2s infinite}@keyframes pulse-green{0%,to{box-shadow:0 0 0 3px #14bf9633,0 4px 10px #14bf964d}50%{box-shadow:0 0 0 6px #14bf961a,0 4px 15px #14bf9666}}.right-content{flex:1;background:#f7f8fb;display:flex;flex-direction:column}.detail-header{background:#fff;padding:22px 32px;border-bottom:1px solid #e9eef6;display:flex;justify-content:space-between;align-items:center}.detail-title{font-size:18px;font-weight:700}.close-btn{font-size:28px;background:none;border:none;cursor:pointer;color:#6b7586;padding:6px;border-radius:6px}.close-btn:hover{background:#f2f4f8}.detail-body{flex:1;padding:46px;overflow:auto}.detail-container{max-width:880px;margin:0 auto}.grade-display{background:#14bf96;box-shadow:0 8px 20px #14bf964d;transition:all .3s ease;border-radius:12px;padding:40px;text-align:center;margin-bottom:24px}.grade-display-label{color:#fff;font-size:16px;opacity:.9;margin-bottom:12px}.grade-display-value{color:#fff;font-size:64px;font-weight:900}.grade-display-subtitle{color:#fff;font-size:16px;opacity:.9;margin-top:12px}.detail-section{background:#fff;border-radius:12px;padding:28px;margin-bottom:20px;border:1px solid #e9eef6}.detail-section h3{font-size:16px;font-weight:700;color:#323049;margin-bottom:20px}.detail-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid #f1f4f8}.detail-row:last-child{border-bottom:none}.detail-label{color:#6b7586;font-size:14px}.detail-value{color:#0a2540;font-weight:600;font-size:14px}@media(max-width:1100px){.left-panel{width:300px}.left-sidebar{width:320px}.dashboard-content{padding:18px}}@media(max-width:880px){.dashboard-content{flex-direction:column;padding:12px}.left-panel{width:100%;order:1}.right-panel{order:2}.modal-container{flex-direction:column}.left-sidebar{width:100%;border-right:none;border-bottom:1px solid #e9eef6}.right-content{width:100%}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;background:#f7f8fa;min-height:100vh}.navbar{background:#fff;padding:12px 24px;border-bottom:1px solid #e5e5e5;display:flex;justify-content:space-between;align-items:center}.navbar-brand{font-size:20px;font-weight:700;color:#323049;display:flex;align-items:center;gap:8px}.logo-img{height:32px;width:auto;object-fit:contain}.logout-btn{padding:8px 16px;background:#fff;color:#323049;border:1px solid #323049;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.logout-btn:hover{background:#1865f2;color:#fff}.ddashboard-content{padding:24px;max-width:1400px;margin:0 auto}.welcome-card{background:#fff;padding:32px;border-radius:8px;border:1px solid #e5e5e5;margin-bottom:24px}.welcome-card h2{font-size:28px;font-weight:700;color:#0a2540;margin-bottom:8px}.card{background:#fff;padding:24px;border-radius:8px;border:1px solid #e5e5e5;margin-bottom:20px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.card-header-actions{display:flex;gap:10px;flex-wrap:wrap}.card-content{margin-top:16px}.card-title{font-size:20px;font-weight:700;color:#0a2540}.btn-primary{background:#323049;color:#fff;padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.btn-primary:hover:not(:disabled){background:#0d47a1;transform:translateY(-1px);box-shadow:0 4px 12px #3230494d}.btn-primary:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.modal{position:fixed;inset:0;background:#0009;display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px}.modal-content{background:#fff;padding:32px;border-radius:12px;max-width:800px;width:100%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #e5e5e5}.modal-title{font-size:24px;font-weight:700;color:#0a2540}.close-btn{font-size:24px;background:none;border:none;cursor:pointer;color:#697386;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s}.close-btn:hover{background:#f0f0f0}.upload-type-selector{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.upload-type-btn{padding:20px;border:2px solid #e5e5e5;border-radius:8px;cursor:pointer;text-align:center;transition:all .2s;background:#fff}.upload-type-btn:hover{border-color:#323049;background:#f7f8fa}.upload-type-btn.active{border-color:#323049;background:#f0f4ff}.upload-type-title{font-weight:600;color:#0a2540;margin-bottom:4px;font-size:15px}.upload-type-desc{font-size:13px;color:#697386}.file-upload-area{border:2px dashed #323049;border-radius:8px;padding:40px 30px;text-align:center;cursor:pointer;background:#f7f9fc;margin-bottom:20px;transition:all .2s}.file-upload-area:hover{background:#f0f4ff;border-color:#0d47a1}.file-upload-area.dragover{background:#e8f0ff;border-color:#323049;transform:scale(1.01)}.upload-text{font-size:16px;font-weight:600;color:#0a2540;margin-bottom:8px}.upload-subtext{color:#697386;font-size:14px;margin-bottom:16px}.browse-btn{background:#323049;color:#fff;padding:10px 24px;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.browse-btn:hover{background:#0d47a1}.uploaded-file{background:#f0f4ff;padding:16px 20px;border-radius:8px;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border:2px solid #323049}.file-info{display:flex;align-items:center;gap:12px;flex:1}.file-details{flex:1}.file-name{font-weight:600;color:#0a2540;margin-bottom:4px;font-size:14px}.file-size{font-size:12px;color:#697386}.remove-file-btn{background:#e44;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s}.remove-file-btn:hover{background:#c33}.word-preview{background:#f7f9fc;padding:20px;border-radius:8px;margin-bottom:20px;border:1px solid #e5e5e5}.preview-header{font-size:15px;color:#0a2540;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e5e5e5}.preview-list{display:flex;flex-direction:column;gap:12px}.preview-item{display:flex;gap:12px;align-items:flex-start;padding:12px;background:#fff;border-radius:6px;border:1px solid #e5e5e5}.preview-number{width:32px;height:32px;border-radius:50%;background:#323049;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}.preview-content{flex:1;display:flex;flex-direction:column;gap:8px}.preview-text{font-size:14px;color:#0a2540;line-height:1.5}.preview-image{max-width:100%;height:auto;max-height:200px;border-radius:6px;border:1px solid #e5e5e5;object-fit:contain;margin-top:8px}.preview-badge{background:#14bf96;color:#fff;padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600;white-space:nowrap;align-self:flex-start;box-shadow:0 4px 12px #14bf964d}.preview-more{text-align:center;padding:12px;color:#697386;font-size:14px;font-style:italic}.json-preview-section{margin-bottom:20px}.code-preview{background:#1e1e1e;color:#d4d4d4;padding:16px;border-radius:8px;max-height:250px;overflow:auto;font-family:Courier New,monospace;font-size:12px;line-height:1.6;margin-bottom:20px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#0a2540;font-weight:600;font-size:14px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px;border:2px solid #e5e5e5;border-radius:6px;font-size:14px;font-family:inherit;transition:border-color .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#323049;box-shadow:0 0 0 3px #3230491a}.form-group textarea{min-height:100px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.time-input-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.time-input-group{display:flex;align-items:center;gap:8px}.time-input-group input{flex:1;padding:12px;border:2px solid #e5e5e5;border-radius:6px;font-size:14px;font-family:inherit;transition:border-color .2s}.time-input-group input:focus{outline:none;border-color:#323049;box-shadow:0 0 0 3px #3230491a}.time-label{font-size:14px;color:#697386;font-weight:500;white-space:nowrap}.time-hint{font-size:12px;color:#697386;margin-top:6px;font-style:italic}.submit-btn{width:100%;padding:14px;background:#323049;color:#fff;border:none;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s}.submit-btn:hover:not(:disabled){background:#0d47a1;transform:translateY(-1px);box-shadow:0 4px 12px #3230494d}.submit-btn:disabled{background:#ccc;cursor:not-allowed;transform:none;opacity:.6}.task-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-top:20px}.task-card{background:#fff;border:1px solid #e5e5e5;border-radius:8px;padding:20px;transition:all .2s}.task-card:hover{border-color:#1865f2;transform:translateY(-2px);box-shadow:0 4px 12px #3230491a}.task-card-header{margin-bottom:12px}.task-card-title{font-size:16px;font-weight:600;color:#0a2540;margin-bottom:8px}.task-badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:11px;font-weight:600;margin-right:6px;margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.badge-word{background:#e3f2fd;color:#1976d2}.badge-json{background:#fff9c4;color:#f57f17}.badge-grade{background:#f0f4ff;color:#323049}.badge-time{background:#fff3e0;color:#e65100}.badge-school{background:#323049;color:#fff}.task-card-desc{color:#697386;font-size:13px;line-height:1.5;margin-bottom:16px}.task-card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid #f0f0f0}.task-meta{font-size:11px;color:#999}.task-actions{display:flex;gap:8px}.edit-btn{background:#323049;color:#fff;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:all .2s}.edit-btn:hover:not(:disabled){background:#0d47a1}.edit-btn:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.delete-btn{background:#e44;color:#fff;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:all .2s}.delete-btn:hover:not(:disabled){background:#c33}.delete-btn:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.success-message{background:#e8f5e9;color:#2e7d32;padding:14px 18px;border-radius:8px;margin-bottom:20px;border-left:4px solid #4caf50;display:flex;align-items:center;gap:10px;font-size:14px}.error-message{background:#ffebee;color:#c62828;padding:14px 18px;border-radius:8px;margin-bottom:20px;border-left:4px solid #f44336;display:flex;align-items:center;gap:10px;font-size:14px}.warning-message{background:#fff3e0;color:#e65100;padding:14px 18px;border-radius:8px;margin-bottom:20px;border-left:4px solid #ff9800;display:flex;align-items:center;gap:10px;font-size:14px}.empty-state{text-align:center;padding:60px 20px;color:#697386}.empty-state-text{font-size:15px}.info-box{background:#f0f4ff;padding:16px 20px;border-radius:8px;margin-bottom:20px;border-left:4px solid #323049}.info-box-title{font-weight:600;color:#0d47a1;margin-bottom:8px;display:flex;align-items:center;gap:8px;font-size:14px}.info-box-content{font-size:13px;color:#555;line-height:1.6}@media(max-width:768px){.navbar{padding:12px 16px;flex-wrap:wrap;gap:12px}.navbar-brand{font-size:18px}.logo-img{height:28px}.logout-btn{padding:6px 12px;font-size:12px}.ddashboard-content{padding:16px}.welcome-card{padding:20px}.welcome-card h2{font-size:22px}.card{padding:16px}.card-header{flex-direction:column;align-items:flex-start;gap:12px}.card-title{font-size:18px;width:100%}.card-header-actions{width:100%;flex-direction:column;gap:8px}.btn-primary,.btn-secondary{width:100%;padding:10px 16px;font-size:14px;white-space:normal;word-wrap:break-word}.btn-approve,.btn-reject{width:100%;margin-bottom:6px;padding:8px 12px;font-size:13px}.students-table{font-size:12px}.students-table th,.students-table td{padding:8px;font-size:12px}.modal-content{padding:20px}.upload-type-selector,.form-row,.task-grid{grid-template-columns:1fr}}.pending-students-section,.all-students-section{margin-top:20px}.students-table{overflow-x:auto}.students-table table{width:100%;border-collapse:collapse;margin-top:15px}.students-table th{background:#f7f8fa;padding:12px;text-align:left;font-weight:600;color:#0a2540;border-bottom:2px solid #e5e5e5;font-size:14px}.students-table td{padding:12px;border-bottom:1px solid #e5e5e5;font-size:14px;color:#0a2540}.students-table tr:hover{background:#f7f8fa}.pending-row{background:#fff3cd!important}.pending-row:hover{background:#ffeaa7!important}.btn-approve{background:#28a745;color:#fff;padding:6px 12px;border:none;border-radius:4px;cursor:pointer;font-weight:600;font-size:12px;margin-right:8px;transition:all .2s}.btn-approve:hover:not(:disabled){background:#218838;transform:translateY(-1px)}.btn-approve:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.btn-reject{background:#dc3545;color:#fff;padding:6px 12px;border:none;border-radius:4px;cursor:pointer;font-weight:600;font-size:12px;transition:all .2s}.btn-reject:hover:not(:disabled){background:#c82333;transform:translateY(-1px)}.btn-reject:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.btn-secondary{background:#6c757d;color:#fff;padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.btn-secondary:hover:not(:disabled){background:#5a6268;transform:translateY(-1px)}.btn-secondary:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.status-approved{color:#28a745;font-weight:600}.status-pending{color:#ffc107;font-weight:600}[data-v-60c63612]{margin:0;padding:0;box-sizing:border-box}body[data-v-60c63612]{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;background:#f7f8fa;min-height:100vh}.navbar[data-v-60c63612]{background:#fff;padding:12px 24px;border-bottom:1px solid #e5e5e5;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 4px #0000000d}.navbar-top[data-v-60c63612]{display:flex;align-items:center;justify-content:space-between;width:100%}.navbar-brand[data-v-60c63612]{font-size:20px;font-weight:700;color:#323049;display:flex;align-items:center;gap:8px}.navbar-actions[data-v-60c63612]{display:flex;align-items:center;gap:12px}.navbar-title[data-v-60c63612]{display:inline}.teacher-name[data-v-60c63612]{font-weight:600;color:#0a2540;font-size:14px;white-space:nowrap}.logo-img[data-v-60c63612]{height:32px;width:auto;object-fit:contain}.logout-btn[data-v-60c63612]{padding:8px 16px;background:#fff;color:#323049;border:1px solid #323049;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.logout-btn[data-v-60c63612]:hover{background:#1865f2;color:#fff}.btn-back[data-v-60c63612]{padding:8px 16px;background:#323049;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.btn-back[data-v-60c63612]:hover{background:#0d47a1}.dashboard-content[data-v-60c63612]{padding:24px;max-width:1400px;margin:0 auto}.welcome-card[data-v-60c63612]{background:#fff;padding:32px;border-radius:8px;border:1px solid #e5e5e5;margin-bottom:24px}.welcome-card h2[data-v-60c63612]{font-size:28px;font-weight:700;color:#0a2540;margin-bottom:8px}.card[data-v-60c63612]{background:#fff;padding:24px;border-radius:8px;border:1px solid #e5e5e5;margin-bottom:20px}.card-header[data-v-60c63612]{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.card-header-actions[data-v-60c63612]{display:flex;gap:10px;flex-wrap:wrap}.card-title[data-v-60c63612]{font-size:20px;font-weight:700;color:#0a2540}.btn-primary[data-v-60c63612]{background:#323049;color:#fff;padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.btn-primary[data-v-60c63612]:hover:not(:disabled){background:#0d47a1;transform:translateY(-1px);box-shadow:0 4px 12px #3230494d}.btn-primary[data-v-60c63612]:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.success-message[data-v-60c63612]{background:#e8f5e9;color:#2e7d32;padding:14px 18px;border-radius:8px;margin-bottom:20px;border-left:4px solid #4caf50;display:flex;align-items:center;gap:10px;font-size:14px}.error-message[data-v-60c63612]{background:#ffebee;color:#c62828;padding:14px 18px;border-radius:8px;margin-bottom:20px;border-left:4px solid #f44336;display:flex;align-items:center;gap:10px;font-size:14px}.empty-state[data-v-60c63612]{text-align:center;padding:60px 20px;color:#697386}.empty-state-text[data-v-60c63612]{font-size:15px}.pending-students-section[data-v-60c63612],.all-students-section[data-v-60c63612]{margin-top:20px}.students-table[data-v-60c63612]{overflow-x:auto}.students-table table[data-v-60c63612]{width:100%;border-collapse:collapse;margin-top:15px}.students-table th[data-v-60c63612]{background:#f7f8fa;padding:12px;text-align:left;font-weight:600;color:#0a2540;border-bottom:2px solid #e5e5e5;font-size:14px}.students-table td[data-v-60c63612]{padding:12px;border-bottom:1px solid #e5e5e5;font-size:14px;color:#0a2540}.students-table tr[data-v-60c63612]:hover{background:#f7f8fa}.pending-row[data-v-60c63612]{background:#fff3cd!important}.pending-row[data-v-60c63612]:hover{background:#ffeaa7!important}.btn-approve[data-v-60c63612]{background:#28a745;color:#fff;padding:6px 12px;border:none;border-radius:4px;cursor:pointer;font-weight:600;font-size:12px;margin-right:8px;transition:all .2s}.btn-approve[data-v-60c63612]:hover:not(:disabled){background:#218838;transform:translateY(-1px)}.btn-approve[data-v-60c63612]:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.btn-reject[data-v-60c63612]{background:#dc3545;color:#fff;padding:6px 12px;border:none;border-radius:4px;cursor:pointer;font-weight:600;font-size:12px;transition:all .2s}.btn-reject[data-v-60c63612]:hover:not(:disabled){background:#c82333;transform:translateY(-1px)}.btn-reject[data-v-60c63612]:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.btn-secondary[data-v-60c63612]{background:#6c757d;color:#fff;padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s}.btn-secondary[data-v-60c63612]:hover:not(:disabled){background:#5a6268;transform:translateY(-1px)}.btn-secondary[data-v-60c63612]:disabled{background:#ccc;cursor:not-allowed;opacity:.6}.status-approved[data-v-60c63612]{color:#28a745;font-weight:600}.status-pending[data-v-60c63612]{color:#ffc107;font-weight:600}.section-title[data-v-60c63612]{font-size:18px;font-weight:700;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid #e5e5e5}.pending-title[data-v-60c63612]{color:#ff6b6b}.all-title[data-v-60c63612]{color:#0a2540}.desktop-view[data-v-60c63612]{display:block}.mobile-view[data-v-60c63612]{display:none}.students-cards[data-v-60c63612]{display:flex;flex-direction:column;gap:16px}.student-card[data-v-60c63612]{background:#fff;border-radius:12px;border:1px solid #e5e5e5;overflow:hidden;transition:all .3s ease;box-shadow:0 2px 4px #0000000d}.student-card[data-v-60c63612]:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.pending-card[data-v-60c63612]{border-left:4px solid #ffc107;background:linear-gradient(to right,#fffbf0,#fff 10%)}.card-header-mobile[data-v-60c63612]{padding:16px;background:#f7f8fa;border-bottom:1px solid #e5e5e5}.student-name-mobile[data-v-60c63612]{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.student-name-mobile .name[data-v-60c63612]{font-size:18px;font-weight:700;color:#0a2540;flex:1;min-width:150px}.badge[data-v-60c63612]{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}.pending-badge[data-v-60c63612]{background:#fff3cd;color:#856404;border:1px solid #ffc107}.approved-badge[data-v-60c63612]{background:#d4edda;color:#155724;border:1px solid #28a745}.card-body-mobile[data-v-60c63612]{padding:16px}.info-row[data-v-60c63612]{display:flex;justify-content:space-between;align-items:flex-start;padding:12px 0;border-bottom:1px solid #f0f0f0}.info-row[data-v-60c63612]:last-child{border-bottom:none}.info-label[data-v-60c63612]{font-size:14px;font-weight:600;color:#697386;flex:0 0 40%;min-width:120px}.info-value[data-v-60c63612]{font-size:14px;color:#0a2540;text-align:right;flex:1;word-break:break-word}.card-actions-mobile[data-v-60c63612]{padding:16px;background:#f7f8fa;border-top:1px solid #e5e5e5;display:flex;gap:12px}.btn-approve-mobile[data-v-60c63612],.btn-reject-mobile[data-v-60c63612]{flex:1;padding:12px 16px;border:none;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s;min-height:44px}.btn-approve-mobile[data-v-60c63612]{background:#28a745;color:#fff}.btn-approve-mobile[data-v-60c63612]:hover:not(:disabled){background:#218838;transform:translateY(-1px);box-shadow:0 4px 8px #28a7454d}.btn-approve-mobile[data-v-60c63612]:active:not(:disabled){transform:translateY(0)}.btn-reject-mobile[data-v-60c63612]{background:#dc3545;color:#fff}.btn-reject-mobile[data-v-60c63612]:hover:not(:disabled){background:#c82333;transform:translateY(-1px);box-shadow:0 4px 8px #dc35454d}.btn-reject-mobile[data-v-60c63612]:active:not(:disabled){transform:translateY(0)}.btn-approve-mobile[data-v-60c63612]:disabled,.btn-reject-mobile[data-v-60c63612]:disabled{background:#ccc;cursor:not-allowed;opacity:.6}@media(max-width:768px){.desktop-view[data-v-60c63612]{display:none!important}.mobile-view[data-v-60c63612]{display:block!important}.navbar[data-v-60c63612]{padding:12px 16px;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px #0000001a}.navbar-top[data-v-60c63612]{width:100%;gap:12px}.navbar-brand[data-v-60c63612]{font-size:16px;gap:8px;flex:0 0 auto}.navbar-actions[data-v-60c63612]{gap:8px;flex:0 0 auto}.navbar-title[data-v-60c63612]{display:inline}.logo-img[data-v-60c63612]{height:24px}.logout-btn[data-v-60c63612],.btn-back[data-v-60c63612]{padding:8px 16px;font-size:13px;min-height:36px;white-space:nowrap}.dashboard-content[data-v-60c63612]{padding:12px;max-width:100%}.welcome-card[data-v-60c63612]{padding:16px;margin-bottom:16px;border-radius:12px}.welcome-card h2[data-v-60c63612]{font-size:20px;margin-bottom:0}.card[data-v-60c63612]{padding:0;border-radius:12px;overflow:hidden;margin-bottom:16px}.card-header[data-v-60c63612]{flex-direction:column;align-items:stretch;gap:12px;padding:16px;background:#fff;border-bottom:1px solid #e5e5e5}.card-title[data-v-60c63612]{font-size:18px;width:100%;margin:0}.card-header-actions[data-v-60c63612]{width:100%;flex-direction:column;gap:10px}.btn-primary[data-v-60c63612],.btn-secondary[data-v-60c63612]{width:100%;padding:14px 16px;font-size:15px;min-height:48px;white-space:normal;word-wrap:break-word;border-radius:8px}.section-title[data-v-60c63612]{font-size:16px;margin-bottom:16px;padding:0 16px 12px}.pending-students-section[data-v-60c63612],.all-students-section[data-v-60c63612]{margin-top:0;padding:0}.students-cards[data-v-60c63612]{padding:0 16px 16px}.empty-state[data-v-60c63612]{padding:40px 20px;text-align:center}.empty-state-text[data-v-60c63612]{font-size:14px;color:#697386}.success-message[data-v-60c63612],.error-message[data-v-60c63612]{margin:0 16px 16px;padding:12px 16px;font-size:13px;border-radius:8px}}[data-v-c4a9d325]{margin:0;padding:0;box-sizing:border-box}.navbar[data-v-c4a9d325]{width:100%;background:#fff;padding:12px 24px;border-bottom:1px solid #e0e6ed;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:40;box-shadow:0 2px 8px #00000008}.navbar-brand[data-v-c4a9d325]{font-size:19px 0px;font-weight:700;color:#323049}.back-btn[data-v-c4a9d325]{padding:10px 20px;background:#323049;color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.back-btn[data-v-c4a9d325]:hover{background:#0d47a1;transform:translateY(-1px)}.logout-btn[data-v-c4a9d325]{padding:8px 18px;background:#fff;color:#323049;border:1.5px solid #323049;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:.18s}.logout-btn[data-v-c4a9d325]:hover{background:#0a3c74;color:#fff}.statistics-content[data-v-c4a9d325]{width:97vw;margin:0 auto;padding:40px 32px}.page-title[data-v-c4a9d325]{font-size:32px;font-weight:800;color:#0a2540;margin-bottom:40px;text-align:center}.summary-section[data-v-c4a9d325]{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-bottom:40px}.summary-card[data-v-c4a9d325]{background:#fff;padding:32px;border-radius:16px;box-shadow:0 2px 12px #0000000f;text-align:center}.summary-label[data-v-c4a9d325]{font-size:14px;color:#6b7586;margin-bottom:12px;font-weight:500}.summary-value[data-v-c4a9d325]{font-size:36px;font-weight:800;color:#323049}.chart-section[data-v-c4a9d325]{background:#fff;padding:32px;border-radius:16px;box-shadow:0 2px 12px #0000000f;margin-bottom:40px}.chart-title[data-v-c4a9d325]{font-size:20px;font-weight:700;color:#0a2540;margin-bottom:24px;text-align:center}.chart-container[data-v-c4a9d325]{position:relative;height:400px}.daily-section[data-v-c4a9d325]{background:#fff;padding:32px;border-radius:16px;box-shadow:0 2px 12px #0000000f}.section-title[data-v-c4a9d325]{font-size:24px;font-weight:700;color:#0a2540;margin-bottom:24px}.days-list[data-v-c4a9d325]{display:flex;flex-direction:column;gap:16px}.day-row[data-v-c4a9d325]{display:flex;align-items:center;gap:20px;padding:16px;background:#f7f8fb;border-radius:12px;transition:background .2s}.day-row.today[data-v-c4a9d325]{background:#e3f2fd;border:2px solid #323049}.day-name[data-v-c4a9d325]{min-width:120px;font-weight:600;color:#0a2540}.day-bar-container[data-v-c4a9d325]{flex:1;height:12px;background:#e9eef6;border-radius:6px;overflow:hidden}.day-bar[data-v-c4a9d325]{height:100%;background:#323049;border-radius:6px;transition:width .3s ease}.day-time[data-v-c4a9d325]{min-width:60px;font-weight:700;color:#323049;text-align:right}@media(max-width:768px){.statistics-content[data-v-c4a9d325]{padding:24px 16px}.page-title[data-v-c4a9d325]{font-size:24px}.summary-section[data-v-c4a9d325]{grid-template-columns:1fr}.chart-container[data-v-c4a9d325]{height:300px}.lleft[data-v-c4a9d325]{display:flex;flex-direction:column}.rightt[data-v-c4a9d325]{display:flex;gap:10px}}