:root{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:#111827cc;--bg-glass:#ffffff0d;--bg-glass-hover:#ffffff1a;--border-glass:#ffffff1a;--border-glass-hover:#fff3;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#6366f1;--accent-primary-hover:#818cf8;--accent-primary-glow:#6366f14d;--accent-secondary:#06b6d4;--accent-secondary-glow:#06b6d44d;--success:#10b981;--success-bg:#10b98126;--success-border:#10b9814d;--danger:#ef4444;--danger-bg:#ef444426;--danger-border:#ef44444d;--warning:#f59e0b;--warning-bg:#f59e0b26;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 30px var(--accent-primary-glow)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}.glass-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);transition:all .3s cubic-bezier(.4,0,.2,1)}.glass-card:hover{border-color:var(--border-glass-hover);background:var(--bg-glass-hover);box-shadow:var(--shadow-md)}.btn{border-radius:var(--radius-md);font-family:var(--font-family);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;position:relative;overflow:hidden}.btn:before{content:"";opacity:0;background:linear-gradient(135deg,#ffffff1a,#0000);transition:opacity .3s;position:absolute;inset:0}.btn:hover:before{opacity:1}.btn-primary{background:linear-gradient(135deg, var(--accent-primary), #4f46e5);color:#fff;box-shadow:0 4px 15px var(--accent-primary-glow)}.btn-primary:hover{box-shadow:0 6px 25px var(--accent-primary-glow);transform:translateY(-2px)}.btn-secondary{background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-glass-hover);border-color:var(--border-glass-hover)}.btn-success{background:linear-gradient(135deg, var(--success), #059669);color:#fff;box-shadow:0 4px 15px #10b9814d}.btn-success:hover{transform:translateY(-2px);box-shadow:0 6px 25px #10b98166}.btn-danger{background:linear-gradient(135deg, var(--danger), #dc2626);color:#fff}.btn-danger:hover{transform:translateY(-2px)}.btn-lg{border-radius:var(--radius-lg);padding:16px 32px;font-size:1.1rem}.btn-sm{padding:8px 16px;font-size:.85rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.input-group{flex-direction:column;gap:6px;display:flex}.input-group label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.input-field{border-radius:var(--radius-md);border:1px solid var(--border-glass);background:var(--bg-glass);color:var(--text-primary);font-family:var(--font-family);outline:none;padding:12px 16px;font-size:1rem;transition:all .3s}.input-field:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}.input-field::placeholder{color:var(--text-muted)}.select-field{border-radius:var(--radius-md);border:1px solid var(--border-glass);background:var(--bg-secondary);color:var(--text-primary);font-family:var(--font-family);cursor:pointer;outline:none;padding:12px 16px;font-size:1rem;transition:all .3s}.select-field:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}.badge{text-transform:uppercase;letter-spacing:.5px;border-radius:20px;align-items:center;padding:4px 12px;font-size:.8rem;font-weight:600;display:inline-flex}.badge-present{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border)}.badge-absent{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger-border)}.badge-processing{background:var(--warning-bg);color:var(--warning);border:1px solid #f59e0b4d}.data-table{border-collapse:separate;border-spacing:0;width:100%}.data-table thead th{text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border-glass);background:var(--bg-glass);padding:14px 16px;font-size:.85rem;font-weight:600}.data-table tbody td{border-bottom:1px solid #ffffff08;padding:14px 16px;font-size:.95rem}.data-table tbody tr{transition:background .2s}.data-table tbody tr:hover{background:var(--bg-glass)}.page-container{flex-direction:column;min-height:100vh;display:flex}.page-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:32px 24px}.page-header{margin-bottom:32px}.page-header h1{background:linear-gradient(135deg, var(--text-primary), var(--accent-primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:700}.page-header p{color:var(--text-secondary);margin-top:8px;font-size:1.05rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px;display:grid}.stat-card{align-items:center;gap:16px;padding:24px;display:flex}.stat-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:56px;height:56px;font-size:1.5rem;display:flex}.stat-icon.primary{background:var(--accent-primary-glow);color:var(--accent-primary-hover)}.stat-icon.success{background:var(--success-bg);color:var(--success)}.stat-icon.danger{background:var(--danger-bg);color:var(--danger)}.stat-icon.secondary{color:var(--accent-secondary);background:#06b6d426}.stat-info h3{font-size:1.8rem;font-weight:700;line-height:1}.stat-info p{color:var(--text-muted);margin-top:4px;font-size:.85rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fade-in{animation:.5s ease-out forwards fadeIn}.slide-in{animation:.5s ease-out forwards slideIn}.loader{border:3px solid var(--border-glass);border-top-color:var(--accent-primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}.loading-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#0a0e1ad9;flex-direction:column;justify-content:center;align-items:center;gap:20px;display:flex;position:fixed;inset:0}.loading-overlay p{color:var(--text-secondary);font-size:1.1rem}.toast{border-radius:var(--radius-md);z-index:2000;max-width:400px;padding:14px 24px;font-weight:500;animation:.4s ease-out slideIn;position:fixed;top:24px;right:24px}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}@media (width<=768px){.page-content{padding:16px}.page-header h1{font-size:1.5rem}.stats-grid{grid-template-columns:1fr 1fr;gap:12px}.stat-card{padding:16px}.data-table{font-size:.85rem}}.login-page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex;position:relative;overflow:hidden}.login-bg-effects{pointer-events:none;position:absolute;inset:0}.bg-circle{filter:blur(80px);opacity:.4;border-radius:50%;position:absolute}.circle-1{background:var(--accent-primary);width:400px;height:400px;animation:6s ease-in-out infinite pulse;top:-100px;right:-100px}.circle-2{background:var(--accent-secondary);width:300px;height:300px;animation:8s ease-in-out infinite reverse pulse;bottom:-50px;left:-50px}.circle-3{background:#8b5cf6;width:200px;height:200px;animation:4s ease-in-out infinite pulse;top:50%;left:50%;transform:translate(-50%,-50%)}.login-container{background:var(--bg-glass);-webkit-backdrop-filter:blur(30px);border:1px solid var(--border-glass);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg);z-index:1;padding:40px;position:relative}.login-header{text-align:center;margin-bottom:32px}.login-logo{justify-content:center;margin-bottom:16px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));border-radius:var(--radius-lg);color:#fff;width:64px;height:64px;box-shadow:0 8px 24px var(--accent-primary-glow);justify-content:center;align-items:center;font-size:1.5rem;font-weight:800;display:flex}.login-header h1{background:linear-gradient(135deg, var(--text-primary), var(--accent-primary-hover));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.8rem;font-weight:700}.login-header p{color:var(--text-secondary);margin-top:8px}.login-form{flex-direction:column;gap:20px;display:flex}.login-error{background:var(--danger-bg);border:1px solid var(--danger-border);border-radius:var(--radius-md);color:var(--danger);text-align:center;padding:12px 16px;font-size:.9rem}.input-wrapper{align-items:center;display:flex;position:relative}.input-wrapper .input-icon{color:var(--text-muted);z-index:1;font-size:1.1rem;position:absolute;left:14px}.input-wrapper .input-field{width:100%;padding-left:42px}.toggle-password{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:1.1rem;transition:color .2s;display:flex;position:absolute;right:14px}.toggle-password:hover{color:var(--text-primary)}.login-btn{width:100%;margin-top:8px}.login-footer{text-align:center;color:var(--text-muted);margin-top:24px;font-size:.85rem}.login-footer strong{color:var(--accent-primary-hover)}.navbar{-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-glass);z-index:100;background:#111827e6;position:sticky;top:0}.navbar-inner{justify-content:space-between;align-items:center;max-width:1400px;height:64px;margin:0 auto;padding:0 24px;display:flex}.navbar-brand{color:var(--text-primary);align-items:center;gap:12px;font-size:1.1rem;font-weight:700;text-decoration:none;display:flex}.brand-icon{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));border-radius:var(--radius-sm);color:#fff;justify-content:center;align-items:center;width:36px;height:36px;font-size:.85rem;font-weight:800;display:flex}.navbar-links{gap:4px;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);align-items:center;gap:8px;padding:8px 16px;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{color:var(--text-primary);background:var(--bg-glass)}.nav-link.active{color:var(--accent-primary-hover);background:var(--accent-primary-glow)}.navbar-user{align-items:center;gap:12px;display:flex}.user-info{color:var(--text-secondary);align-items:center;gap:8px;font-size:.9rem;display:flex}.btn-logout{border-radius:var(--radius-sm);border:1px solid var(--border-glass);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;background:0 0;justify-content:center;align-items:center;transition:all .2s;display:flex}.btn-logout:hover{background:var(--danger-bg);color:var(--danger);border-color:var(--danger-border)}@media (width<=768px){.navbar-inner{padding:0 12px}.nav-link span,.user-info span{display:none}}.nav-icon-btn{border-radius:var(--radius-sm);background:var(--bg-glass);width:36px;height:36px;color:var(--text-secondary);justify-content:center;align-items:center;text-decoration:none;transition:all .2s;display:flex}.nav-icon-btn:hover{color:var(--text-primary);background:var(--bg-glass-hover)}.icon-upgrade{color:#fbbf24}.dashboard-welcome{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px;display:flex}.dashboard-welcome h1{background:linear-gradient(135deg, var(--text-primary), var(--accent-primary-hover));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:700}.dashboard-welcome p{color:var(--text-secondary);margin-top:4px;font-size:1.05rem}.dashboard-about{margin-bottom:32px;padding:32px}.dashboard-about h2{color:var(--text-primary);margin-bottom:24px;font-size:1.4rem}.about-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;display:grid}.about-item{text-align:center}.about-icon{margin-bottom:12px;font-size:2.5rem}.about-item h3{color:var(--text-primary);margin-bottom:8px;font-size:1rem;font-weight:600}.about-item p{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.section-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.section-header h2{font-size:1.4rem;font-weight:600}.sessions-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;display:grid}.session-card{cursor:pointer;padding:20px}.session-card:hover{transform:translateY(-2px)}.session-card-header{justify-content:space-between;align-items:flex-start;margin-bottom:12px;display:flex}.session-card-header h3{font-size:1rem;font-weight:600}.session-date{color:var(--text-muted);align-items:center;gap:6px;margin-bottom:14px;font-size:.9rem;display:flex}.session-stats{gap:16px;font-size:.9rem;display:flex}.stat-present{color:var(--success);align-items:center;gap:4px;display:flex}.stat-absent{color:var(--danger);align-items:center;gap:4px;display:flex}.stat-total{color:var(--text-secondary);align-items:center;gap:4px;display:flex}.empty-state p{font-size:1.1rem}@media (width<=768px){.dashboard-welcome{flex-direction:column;align-items:flex-start}.dashboard-welcome h1{font-size:1.5rem}.sessions-grid{grid-template-columns:1fr}}.capture-info{margin-bottom:24px;padding:24px}.info-row{gap:20px;display:flex}.info-row .input-group{flex:1}.capture-choose{grid-template-columns:1fr 1fr;gap:24px;max-width:700px;margin:0 auto;display:grid}.choose-card{text-align:center;cursor:pointer;padding:48px 32px;transition:all .3s}.choose-card:hover{box-shadow:var(--shadow-glow);transform:translateY(-4px)}.choose-icon{background:var(--accent-primary-glow);width:80px;height:80px;color:var(--accent-primary-hover);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 20px;font-size:2rem;transition:all .3s;display:flex}.choose-card:hover .choose-icon{transform:scale(1.1)}.choose-icon.upload{color:var(--accent-secondary);background:#06b6d426}.choose-card h3{margin-bottom:8px;font-size:1.2rem}.choose-card p{color:var(--text-secondary);font-size:.9rem}.webcam-container{border-radius:var(--radius-lg);max-width:900px;margin:0 auto;position:relative;overflow:hidden}.webcam-video{border-radius:var(--radius-lg);display:block}.webcam-overlay{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.webcam-frame{border:2px dashed var(--accent-primary);border-radius:var(--radius-lg);opacity:.5;width:90%;height:85%}.capture-actions{justify-content:center;align-items:center;gap:16px;margin-top:24px;display:flex}.capture-btn{position:relative;border-radius:50px!important;padding:16px 40px!important}.preview-container{border-radius:var(--radius-lg);max-width:900px;margin:0 auto;overflow:hidden}.preview-image{border-radius:var(--radius-lg);width:100%;display:block}.processing-animation{justify-content:center;align-items:center;width:120px;height:120px;display:flex;position:relative}.processing-circle{border:3px solid var(--border-glass);border-top-color:var(--accent-primary);border-radius:50%;width:100%;height:100%;animation:1s linear infinite spin;position:absolute}.processing-icon{color:var(--accent-primary-hover);font-size:2.5rem;animation:2s ease-in-out infinite pulse}.loading-overlay h2{font-size:1.4rem;font-weight:600}@media (width<=768px){.capture-choose{grid-template-columns:1fr}.info-row{flex-direction:column}.capture-actions{flex-wrap:wrap}}.attendance-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.header-left{align-items:center;gap:16px;display:flex}.header-left h1{background:linear-gradient(135deg, var(--text-primary), var(--accent-primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.6rem;font-weight:700}.session-meta{color:var(--text-muted);align-items:center;gap:8px;margin-top:4px;font-size:.9rem;display:flex}.meta-separator{opacity:.5}.attendance-stats{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px;display:grid}.att-stat{text-align:center;padding:20px}.att-stat-value{margin-bottom:6px;font-size:2rem;font-weight:800;line-height:1}.att-stat-value.present{color:var(--success)}.att-stat-value.absent{color:var(--danger)}.att-stat-value.total{color:var(--accent-secondary)}.att-stat-value.rate{color:var(--accent-primary-hover)}.att-stat-label{color:var(--text-muted);font-size:.85rem;font-weight:500}.edit-banner{background:var(--warning-bg);border-radius:var(--radius-md);color:var(--warning);border:1px solid #f59e0b4d;align-items:center;gap:10px;margin-bottom:20px;padding:14px 20px;font-size:.95rem;display:flex}.attendance-table-wrapper{border-radius:var(--radius-lg);overflow-x:auto}.status-toggle{cursor:pointer;border:none;align-items:center;gap:6px;font-weight:600;transition:all .2s;display:inline-flex}.status-toggle:hover{transform:scale(1.05)}.note-input{border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);background:0 0;border:1px solid #0000;width:100%;min-width:150px;padding:6px 10px;font-size:.9rem;transition:all .2s}.note-input:focus{border-color:var(--accent-primary);background:var(--bg-glass);outline:none}.note-input::placeholder{color:var(--text-muted);opacity:.5}@media (width<=768px){.attendance-header{flex-direction:column;align-items:flex-start}.attendance-stats{grid-template-columns:repeat(2,1fr)}.header-left{flex-direction:column;align-items:flex-start}}.history-table-wrapper{border-radius:var(--radius-lg);overflow-x:auto}.history-date{color:var(--text-secondary);align-items:center;gap:6px;display:flex}.action-btns{gap:8px;display:flex}.action-btns .btn{padding:6px 10px}.profile-container{max-width:500px;margin:0 auto;padding:24px 0}.profile-card{padding:32px}.profile-card h2{text-align:center;margin-bottom:24px}.avatar-section{flex-direction:column;align-items:center;gap:16px;margin-bottom:32px;display:flex}.avatar-preview{background:var(--bg-glass);border:2px solid var(--accent-primary);width:120px;height:120px;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;display:flex;overflow:hidden}.avatar-preview img{object-fit:cover;width:100%;height:100%}.profile-form{flex-direction:column;gap:20px;display:flex}.alert-info{color:#60a5fa;border-radius:var(--radius-sm);text-align:center;background:#3b82f61a;border:1px solid #3b82f633;margin-bottom:20px;padding:12px}.admin-container{max-width:1000px;margin:0 auto}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border-glass);padding:12px 16px}.badge-admin{color:#ef4444;background:#ef444433}.badge-teacher{color:#3b82f6;background:#3b82f633}.badge-student{color:#10b981;background:#10b98133}.students-container{max-width:1000px;margin:0 auto}.form-card{margin-bottom:24px;padding:24px}.form-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:16px;display:grid}.input-field{border:1px solid var(--border-glass);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);background:#ffffff0d;padding:10px 14px}.form-actions{gap:12px;display:flex}.table-card{padding:24px}.table-responsive{margin-top:16px;overflow-x:auto}.data-table{border-collapse:collapse;width:100%}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border-glass);vertical-align:middle;padding:12px 16px}.data-table th{color:var(--text-secondary);font-weight:500}.icon-btn{cursor:pointer;background:0 0;border:none;border-radius:4px;margin-right:8px;padding:6px;transition:all .2s}.edit-btn{color:#3b82f6}.edit-btn:hover{background:#3b82f633}.delete-btn{color:#ef4444}.delete-btn:hover{background:#ef444433}.student-avatar-cell{align-items:center;gap:12px;display:flex}.student-avatar-img{object-fit:cover;border:1px solid var(--border-glass);border-radius:8px;width:48px;height:48px}.student-avatar-placeholder{background:var(--bg-glass);width:48px;height:48px;color:var(--text-secondary);border:1px dashed var(--border-glass);border-radius:8px;justify-content:center;align-items:center;display:flex}.upload-btn{color:#3b82f6;cursor:pointer;background:#3b82f61a;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.upload-btn:hover{color:#fff;background:#3b82f6}.upload-btn.loading{opacity:.5;cursor:not-allowed}.class-form-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=600px){.class-form-grid{grid-template-columns:1fr}}.class-list{flex-direction:column;gap:16px;display:flex}.class-card{border-radius:16px;transition:box-shadow .2s;overflow:hidden}.class-card:hover{box-shadow:0 8px 30px #667eea26}.class-card-header{cursor:pointer;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;display:flex}.class-card-info{align-items:center;gap:16px;display:flex}.class-color-dot{border-radius:50%;flex-shrink:0;width:14px;height:14px}.class-card-info h3{color:var(--text-primary,#1a1a2e);margin:0 0 4px;font-size:1.1rem}.class-subject{color:#888;align-items:center;gap:6px;margin:0;font-size:.9rem;display:flex}.class-card-meta{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.class-meta-tag{color:#555;white-space:nowrap;background:#667eea14;border-radius:20px;align-items:center;gap:5px;padding:4px 10px;font-size:.83rem;display:flex}.students-count{color:#27ae60;background:#2ed5731a;font-weight:600}.class-actions{gap:6px;display:flex}.expand-icon{color:#aaa;align-items:center;display:flex}.class-students-panel{border-top:1px solid #0000000f;padding:20px 24px 24px}.student-chips{flex-direction:column;gap:8px;display:flex}.student-chip{background:#667eea0d;border:1px solid #667eea1a;border-radius:12px;align-items:center;gap:12px;padding:10px 14px;display:flex;position:relative}.student-chip-avatar{color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:.9rem;font-weight:700;display:flex;overflow:hidden}.student-chip-avatar img{object-fit:cover;width:100%;height:100%}.student-chip strong{font-size:.95rem;display:block}.student-chip span{color:#888;font-size:.82rem}.chip-remove-btn{color:#e74c3c;cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;margin-left:auto;padding:6px;transition:background .2s;display:flex}.chip-remove-btn:hover{background:#e74c3c1a}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{padding:28px;animation:.25s slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.class-card-header{flex-direction:column;align-items:flex-start}.class-card-meta{width:100%}}.notifications-container{max-width:800px;margin:0 auto}.list-card{padding:32px}.notification-list{flex-direction:column;gap:16px;margin-top:24px;display:flex}.notification-item{border-left:4px solid #0000;justify-content:space-between;align-items:center;gap:16px;padding:20px;display:flex}.notification-item.unread{border-left-color:var(--accent-primary);background:#ffffff14}.notification-content h3{color:var(--text-primary);margin:0 0 8px;font-size:1.1rem}.notification-content p{color:var(--text-secondary);margin:0 0 8px}.notification-time{color:#9ca3af;font-size:.8rem}.empty-state{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:64px 0;display:flex}