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#e0e0e0;display:flex;justify-content:center}.attendance-stat{text-align:center}.attendance-circle{position:relative;display:inline-block;margin-bottom:8px}.attendance-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.8rem;font-weight:600;color:#333}.attendance-stat p{margin:0;font-size:.85rem;color:#666}.student-actions{padding:15px 20px;display:flex;justify-content:center}.btn{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;transition:all .3s ease}.btn-outline:hover{background-color:#1976d2;color:#fff;transform:translateY(-2px)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:12px;max-width:500px;width:100%;max-height:80vh;overflow-y:auto;box-shadow:0 20px 40px #0000004d}.modal-header{padding:20px 25px;border-bottom:1px solid #eee;display:flex;justify-content:space-between;align-items:center}.modal-header h3{margin:0;color:#333;font-size:1.3rem}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s ease}.close-btn:hover{background:#f0f0f0}.modal-body{padding:25px}.student-profile{display:flex;align-items:center;gap:20px;margin-bottom:25px;padding-bottom:20px;border-bottom:1px solid #eee}.profile-avatar{width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:1.3rem}.profile-details h4{margin:0 0 5px;color:#333;font-size:1.3rem}.profile-details p{margin:0;color:#666}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.detail-group{display:flex;flex-direction:column;gap:5px}.detail-group 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#0003}.profile-placeholder{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;border:4px solid white;box-shadow:0 4px 15px #0003}.placeholder-text{font-size:2.5rem;font-weight:600;color:#fff}.image-upload{margin-top:15px}.upload-btn{background:#1976d2;color:#fff;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:background-color .3s ease}.upload-btn:hover{background:#1565c0}.upload-hint{margin:8px 0 0;font-size:12px;color:#666}.profile-form-section{padding:30px}.form-sections{display:flex;flex-direction:column;gap:30px}.form-section{border-bottom:1px solid #eee;padding-bottom:25px}.form-section:last-child{border-bottom:none;padding-bottom:0}.form-section h3{margin:0 0 20px;color:#333;font-size:1.3rem;font-weight:600}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:20px}.form-group{display:flex;flex-direction:column}.form-group:last-child{margin-bottom:0}.form-group label{font-weight:600;color:#555;margin-bottom:8px;font-size:14px}.form-group input,.form-group textarea{padding:12px 15px;border:2px solid #e0e0e0;border-radius:8px;font-size:14px;transition:border-color .3s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#1976d2;box-shadow:0 0 0 3px #1976d21a}.form-group input:disabled,.form-group textarea:disabled{background:#f5f5f5;cursor:not-allowed;color:#666}.form-group textarea{resize:vertical;min-height:80px}.form-actions{display:flex;gap:15px;justify-content:flex-end;margin-top:30px;padding-top:20px;border-top:1px solid #eee}.account-settings{background:#fff;border-radius:12px;box-shadow:0 4px 15px #0000001a;padding:30px}.account-settings h3{margin:0 0 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h2{font-size:1.5rem}.profile-picture-section,.profile-form-section,.account-settings{padding:20px 15px}.profile-img,.profile-placeholder{width:100px;height:100px}.placeholder-text{font-size:2rem}}.teacher-dashboard{display:flex;min-height:100vh;background:#f8f9fa}.teacher-sidebar{width:280px;background:#fff;box-shadow:2px 0 10px #0000001a;display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto}.teacher-profile{padding:30px 20px;border-bottom:1px solid #eee;text-align:center}.profile-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;margin:0 auto 15px}.avatar-icon{font-size:2.5rem}.profile-info h3{margin:0 0 5px;color:#333;font-size:1.2rem}.profile-role{margin:0;color:#666;font-size:.9rem}.teacher-nav{padding:20px 0;flex:1}.nav-item{width:100%;padding:15px 25px;border:none;background:none;text-align:left;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:12px;font-size:.95rem;color:#555}.nav-item:hover{background:#f8f9fa;color:#333}.nav-item.active{background:#e3f2fd;color:#1976d2;border-right:3px solid #1976d2}.nav-icon{font-size:1.2rem;width:24px;text-align:center}.nav-item.logout-btn{margin-top:auto;border-top:1px solid #eee;color:#dc3545;font-weight:500}.nav-item.logout-btn:hover{background:#fff5f5;color:#dc3545}.teacher-main-content{flex:1;margin-left:280px;padding:30px;overflow-y:auto}.teacher-overview{max-width:1200px}.overview-header{margin-bottom:30px}.overview-header h2{margin:0 0 5px;color:#333;font-size:2rem}.overview-header p{margin:0;color:#666;font-size:1.1rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px;margin-bottom:40px}.stat-card{background:#fff;padding:25px;border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;align-items:center;gap:20px;transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 15px #00000026}.stat-card .stat-icon{font-size:2.5rem;width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center}.stat-card.active-streams .stat-icon{background:linear-gradient(135deg,#ff6b6b,#ee5a24)}.stat-card.total-students .stat-icon{background:linear-gradient(135deg,#4ecdc4,#44a08d)}.stat-card.scheduled-classes .stat-icon{background:linear-gradient(135deg,#45b7d1,#96c93d)}.stat-card.completed-classes .stat-icon{background:linear-gradient(135deg,#96c93d,#00b894)}.stat-content h3{margin:0 0 5px;font-size:2rem;color:#333;font-weight:700}.stat-content p{margin:0;color:#666;font-size:.95rem}.quick-actions{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 6px #0000001a}.quick-actions h3{margin:0 0 20px;color:#333;font-size:1.4rem}.action-buttons{display:flex;gap:15px;flex-wrap:wrap}.action-btn{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .3s ease;display:flex;align-items:center;gap:8px}.action-btn.primary{background:#1976d2;color:#fff}.action-btn.primary:hover{background:#1565c0;transform:translateY(-2px)}.action-btn.secondary{background:#00acc1;color:#fff}.action-btn.secondary:hover{background:#0097a7;transform:translateY(-2px)}.action-btn.tertiary{background:#7b1fa2;color:#fff}.action-btn.tertiary:hover{background:#6a1b9a;transform:translateY(-2px)}.btn-icon{font-size:1.1rem}.teacher-section{max-width:1200px}.teacher-section h2{margin:0 0 10px;color:#333;font-size:2rem}.teacher-section p{margin:0 0 30px;color:#666;font-size:1.1rem}.coming-soon{background:#fff;padding:60px 30px;border-radius:12px;box-shadow:0 4px 6px #0000001a;text-align:center;color:#666;font-size:1.1rem}@media (max-width: 1024px){.teacher-sidebar{transform:translate(-100%);transition:transform .3s 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#e9ecef}.filter-group{display:flex;flex-direction:column}.filter-group label{font-weight:600;margin-bottom:.5rem;color:#495057}.filter-select,.filter-input{padding:.75rem;border:2px solid #dee2e6;border-radius:6px;font-size:1rem;transition:border-color .3s ease}.filter-select:focus,.filter-input:focus{outline:none;border-color:#0d6efd;box-shadow:0 0 0 .2rem #0d6efd40}.attendance-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{display:flex;align-items:center;padding:1.5rem;background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a;border-left:4px solid;transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 20px #00000026}.present-stat{border-left-color:#22c55e}.absent-stat{border-left-color:#ef4444}.total-stat{border-left-color:#3b82f6}.percentage-stat{border-left-color:#8b5cf6}.stat-content 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768px){.login-container{padding:1rem}.login-wrapper{padding:2rem;border-radius:15px}.login-header h2,.logo-text{font-size:1.5rem}}:root{--primary-gradient: linear-gradient(135deg, #e91e63, #ff5722);--primary-pink: #e91e63;--primary-orange: #ff5722;--secondary-pink: #f06292;--secondary-orange: #ff7043;--white: #ffffff;--light-gray: #f5f5f5;--dark-gray: #666666;--text-primary: #ffffff;--text-secondary: #333333;--shadow: rgba(233, 30, 99, .2);--bg-primary: #f8fafc;--bg-secondary: #f1f5f9;--bg-light: #f8fafc;--border-color: #e2e8f0;--border-light: #f1f5f9}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--light-gray);color:var(--text-secondary)}#root{height:100vh}button{font-family:inherit}h1,h2,h3,h4,h5,h6,p{margin:0}