:root{--primary: #4f46e5;--primary-light: #eef2ff;--blue: #2563eb;--blue-light: #eff6ff;--cyan: #0891b2;--cyan-light: #ecfeff;--green: #16a34a;--green-light: #f0fdf4;--orange: #ea580c;--orange-light: #fff7ed;--red: #dc2626;--red-light: #fef2f2;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-700: #374151;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--radius-xl: 12px;--radius-2xl: 16px;--radius-3xl: 24px}html,body{height:100%;overflow:hidden;overscroll-behavior:none;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--gray-50)}#root{min-height:100vh}.card-modern{background:#fff;border-radius:var(--radius-2xl);border:1px solid var(--gray-100);box-shadow:var(--shadow-sm);transition:all .3s ease}.card-modern:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card-modern{display:flex;align-items:center;gap:16px;padding:20px}.icon-box{padding:12px;border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center}.badge-modern{padding:2px 8px;border-radius:9999px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.progress-container{width:100%;height:8px;background-color:var(--gray-100);border-radius:9999px;overflow:hidden}.progress-fill{height:100%;transition:width .5s ease-out}.grid-modern{display:grid;gap:16px}@media(min-width:640px){.grid-cols-2-modern{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.grid-cols-5-modern{grid-template-columns:repeat(5,1fr)}}.flex-center-between{display:flex;align-items:center;justify-content:space-between}@media(max-width:768px){.hidden-mobile{display:none!important}}::-webkit-scrollbar-track{background:var(--gray-50)}::-webkit-scrollbar-thumb{background:var(--gray-200);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}.login-page{min-height:100vh;display:flex;background:#000;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.login-brand-side{flex:1.2;position:relative;background:#000;display:flex;align-items:center;justify-content:center;padding:60px;overflow:hidden;color:#fff;border-right:1px solid #1f1f1f}.brand-bg-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 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ease}.login-box{width:100%;max-width:400px;background:transparent;padding:0;border-radius:0;box-shadow:none;border:none}.login-header{margin-bottom:40px}.mobile-logo{display:none;align-items:center;gap:12px;margin-bottom:32px}.login-title{font-family:Georgia,serif;font-style:italic;font-weight:300;letter-spacing:2px}.login-header h2{font-size:32px;font-weight:200;margin:0 0 12px;color:var(--text-primary);letter-spacing:1px}.login-subtitle{color:var(--text-secondary);font-size:16px;margin:0;font-weight:300;letter-spacing:.5px}.login-mode-toggle{display:flex;background:var(--surface);padding:4px;border:1px solid var(--border-color);margin-bottom:32px;border-radius:0}.mode-btn{flex:1;padding:10px;border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:300;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .2s 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ease;margin-top:8px;letter-spacing:1.5px}.btn-login:hover:not(:disabled){opacity:.8}.btn-login:active{transform:scale(.98)}.btn-login:disabled{opacity:.6;cursor:not-allowed}.forgot-password{display:block;text-align:center;margin-bottom:16px;color:var(--text-secondary);font-size:14px;text-decoration:none;font-weight:300;font-style:italic;font-family:Georgia,serif;letter-spacing:.5px}.forgot-password:hover{color:var(--text-primary)}.error-message{padding:12px 16px;background:#fef2f2;border:1px solid #fee2e2;color:#991b1b;border-radius:0;font-size:14px;margin-bottom:24px;text-align:center;font-weight:300}[data-theme=dark] .error-message{background:#dc26261a;border-color:#dc262633;color:#f87171}.login-footer{width:100%;text-align:center;color:var(--text-muted);font-size:13px;font-weight:300;margin-top:60px;display:flex;flex-direction:column;align-items:center;gap:12px}.footer-links{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:8px}.footer-links a{color:var(--text-secondary);text-decoration:none;font-weight:300;transition:color .3s ease}.footer-links a:hover{color:var(--text-primary)}.footer-links .dot{width:3px;height:3px;background:#cbd5e1;border-radius:50%}.loading-container{display:flex;align-items:center;justify-content:center;gap:8px}.loading-spinner{width:16px;height:16px;border:2px solid rgba(127,127,127,.3);border-top-color:var(--background);border-radius:50%;animation:spin .6s linear infinite}@media(max-width:1024px){.login-brand-side{display:none}.login-form-side{background:var(--background);justify-content:flex-start;padding-top:12vh;padding-left:24px;padding-right:24px}.mobile-logo{display:flex}.login-logo{height:48px}.login-box{padding:0}}.dashboard-layout{height:100vh;width:100vw;display:flex;flex-direction:column;overflow:hidden;touch-action:none}.desktop-only{display:flex}.mobile-only{display:none}.system-update-banner{background:linear-gradient(90deg,#ff9800,#f57c00);color:#fff;padding:10px 24px;display:flex;align-items:center;justify-content:center;gap:12px;font-size:14px;box-shadow:0 2px 8px #0000001a;z-index:2000;animation:slideDown .5s ease-out}.update-icon{font-size:18px}.update-content{display:flex;gap:8px;align-items:center}.countdown-timer{background:#fff3;padding:2px 8px;border-radius:4px;font-family:monospace;font-size:15px}@keyframes slideDown{0%{transform:translateY(-100%)}to{transform:translateY(0)}}@media(max-width:768px){.system-update-banner{padding:8px 16px;font-size:12px;flex-direction:column;gap:4px;text-align:center}.update-content{flex-direction:column}}.top-bar{background:var(--surface);color:var(--text-primary);padding:12px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;box-shadow:0 1px 3px var(--shadow);transition:background-color .3s ease,border-color .3s ease}.top-bar h1{font-size:20px;font-weight:600}.logo-text{display:flex;align-items:center;gap:10px;margin:0}.aar-logo{height:32px;width:auto;object-fit:contain;display:block;border-radius:6px;filter:contrast(1.1) brightness(1.05)}.logo-wrapper{background:#fff;padding:4px;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #0000000d;transition:all .3s ease;border:1px solid rgba(0,0,0,.05)}[data-theme=dark] .logo-wrapper{background:#18181b;border-color:#ffffff1a}[data-theme=dark] .aar-logo{filter:invert(1) contrast(1.2) brightness(1.2)}.top-bar-right{display:flex;align-items:center;gap:12px}.ai-chat-btn-container{position:relative}.ai-chat-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:10px;border-radius:50%;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative}.ai-chat-btn:hover,.ai-chat-btn.active{background:var(--surface-hover);color:var(--text-primary);transform:translateY(-1px)}.ai-chat-btn.active{background:var(--primary-color);color:var(--background)}.ai-dot{position:absolute;top:8px;right:8px;width:8px;height:8px;background-color:#ef4444;border:2px solid var(--surface);border-radius:50%;box-shadow:0 0 #ef4444b3;animation:pulse-dot 2s infinite}@keyframes pulse-dot{0%{transform:scale(.95);box-shadow:0 0 #ef4444b3}70%{transform:scale(1);box-shadow:0 0 0 6px #ef444400}to{transform:scale(.95);box-shadow:0 0 #ef444400}}.settings-container{position:relative}.setting-icon-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:10px;border-radius:50%;transition:all .2s}.setting-icon-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.settings-dropdown{position:absolute;top:100%;right:0;margin-top:12px;background:var(--surface);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 10px 25px -5px var(--shadow);padding:12px;min-width:220px;display:flex;flex-direction:column;gap:12px;z-index:1200;animation:dropdownFadeIn .2s cubic-bezier(.4,0,.2,1)}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-header{padding:4px 8px 8px;border-bottom:1px solid var(--border-color);font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.dropdown-label{font-size:12px;font-weight:600;color:var(--text-primary);margin-bottom:8px;padding:0 8px}.role-switch-section{padding:8px 0}.role-toggle-unified{display:flex;background:var(--surface-hover);padding:4px;border-radius:8px;gap:4px}.role-toggle-unified button{flex:1;padding:8px;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;background:transparent;color:var(--text-secondary)}.role-toggle-unified button.active{background:var(--surface);color:var(--text-primary);box-shadow:0 1px 3px var(--shadow)}.btn-logout-unified{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;background:#fee2e2;color:#dc2626;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.btn-logout-unified:hover{background:#fecaca}.dashboard-content{display:flex;flex:1;overflow:hidden;position:relative}.dashboard-content.no-sidebar .main-content{margin-left:0}.sidebar{width:250px;background:var(--surface);border-right:1px solid var(--border-color);padding:12px 0;position:fixed;top:65px;left:0;bottom:0;overflow-y:auto;z-index:100;scrollbar-width:thin;scrollbar-color:var(--border-color) transparent;transition:width .3s ease,background-color .3s ease,border-color .3s ease}.sidebar::-webkit-scrollbar{width:5px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:20px}.sidebar nav{display:flex;flex-direction:column}.sidebar a{padding:10px 20px;margin:4px 12px;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;border-radius:8px;display:flex;align-items:center;transition:all .2s cubic-bezier(.4,0,.2,1)}.sidebar a:hover{background:var(--surface-hover);color:var(--text-primary)}.sidebar a.active{background:var(--primary-color);color:var(--background);box-shadow:0 4px 12px var(--shadow)}.sidebar .nav-icon{display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:color .2s;flex-shrink:0}.sidebar a .nav-icon{margin-right:2px}.sidebar a.active .nav-icon{color:var(--background)}.sidebar a:hover .nav-icon{color:var(--text-primary)}.main-content{flex:1;padding:30px;margin-left:250px;overflow-y:auto;-webkit-overflow-scrolling:touch}@media(max-width:768px){.desktop-only{display:none!important}.mobile-only{display:flex!important}.top-bar{padding:10px 16px;position:fixed;top:0;left:0;width:100%;height:60px;box-sizing:border-box;display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;z-index:1100;background:var(--surface);border-bottom:1px solid var(--border-color)}.top-bar-left{display:flex;align-items:center;overflow:hidden}.top-bar-right{display:flex;align-items:center;gap:12px;justify-self:end}.top-bar h1{font-size:16px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar{position:fixed;bottom:0;top:auto;left:0;width:100%;height:auto;min-height:calc(96px + env(safe-area-inset-bottom,32px));background:var(--surface);border-top:1px solid var(--border-color);border-right:none;z-index:1000;box-shadow:0 -4px 16px var(--shadow);margin:0;padding:0;padding-bottom:calc(env(safe-area-inset-bottom,32px) + 24px);overscroll-behavior:none;touch-action:none}.sidebar nav{flex-direction:row;display:flex;height:72px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;padding:0 4px;-webkit-overflow-scrolling:touch}.sidebar nav::-webkit-scrollbar{display:none}.sidebar .nav-icon{display:flex;align-items:center;justify-content:center;margin-bottom:4px;transition:color .2s}.sidebar nav a{flex:0 0 auto;min-width:72px;padding:8px 12px 6px;margin:4px 2px;border-radius:12px;border-bottom:none;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;font-weight:500;color:var(--text-secondary);height:calc(100% - 8px);text-decoration:none;transition:all .2s ease;gap:2px;background:transparent}.sidebar nav a .nav-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:80px;line-height:1.2}.sidebar nav a:hover{color:var(--text-primary);background:var(--surface-hover)}.sidebar nav a.active{background:#f0fdfa;color:#0d9488;font-weight:600;box-shadow:none}.sidebar nav a.active .nav-icon{color:#0d9488}.main-content{margin-left:0;margin-top:60px;margin-bottom:0;padding:16px;padding-bottom:calc(120px + env(safe-area-inset-bottom,32px));height:calc(100vh - 60px);overflow-y:auto;overflow-x:hidden;touch-action:pan-y}}@media(max-width:480px){.top-bar{padding:8px 12px;height:60px}.top-bar h1{font-size:15px}.top-bar-right{width:100%;justify-content:space-between}.role-toggle button{padding:6px 10px;font-size:12px}.sidebar nav a{min-width:64px;padding:8px 8px 6px;font-size:10px}.sidebar nav a .nav-label{max-width:64px}.main-content{margin-top:60px;padding:12px;overflow-x:hidden;overflow-y:auto;height:calc(100vh - 60px);-webkit-overflow-scrolling:touch;touch-action:pan-y;box-sizing:border-box;margin-bottom:0;padding-bottom:calc(120px + env(safe-area-inset-bottom,32px))}}:root{--kofi-primary: #000000;--kofi-bg: #ffffff;--kofi-card-bg: #ffffff;--kofi-accent: #334155;--kofi-text-main: #000000;--kofi-text-muted: #64748b;--kofi-border: #e2e8f0}[data-theme=dark]{--kofi-bg: #0f172a;--kofi-card-bg: #1e293b;--kofi-primary: #ffffff;--kofi-text-main: #f8fafc;--kofi-text-muted: #94a3b8;--kofi-border: #334155}.kofi-verify-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--kofi-bg);padding:20px;font-family:Inter,sans-serif;color:var(--kofi-text-main)}.kofi-verify-card{width:100%;max-width:400px;padding:40px;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;background:var(--kofi-card-bg);border:1px solid var(--kofi-border);text-align:center}.kofi-avatar-pulse{width:70px;height:70px;margin:0 auto 24px;background:var(--kofi-primary);color:var(--kofi-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;position:relative}.kofi-avatar-pulse:after{content:"";position:absolute;width:100%;height:100%;border-radius:50%;background:var(--kofi-primary);opacity:.15;animation:pulse 2.5s infinite}@keyframes pulse{0%{transform:scale(1);opacity:.15}70%{transform:scale(1.4);opacity:0}to{transform:scale(1);opacity:.15}}.kofi-verify-card h1{font-size:24px;font-weight:800;margin-bottom:8px;color:var(--kofi-primary);letter-spacing:-.5px}.kofi-verify-card p{color:var(--kofi-text-muted);font-size:14px;margin-bottom:32px}.kofi-verify-form{text-align:left}.input-group{margin-bottom:24px}.input-group label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;color:var(--kofi-text-muted);margin-bottom:8px;margin-left:2px;letter-spacing:.5px}.input-group input{width:100%;padding:12px 14px;border-radius:8px;border:1px solid var(--kofi-border);background:var(--kofi-bg);color:var(--kofi-text-main);font-size:15px;transition:border-color .2s,box-shadow .2s}.input-group input:focus{outline:none;border-color:var(--kofi-primary);box-shadow:0 0 0 2px #0000000d}.kofi-btn-primary{width:100%;padding:14px;border-radius:8px;border:none;background:var(--kofi-primary);color:var(--kofi-bg);font-weight:700;font-size:15px;cursor:pointer;transition:opacity .2s,transform .1s}.kofi-btn-primary:hover{opacity:.9}.kofi-btn-primary:active{transform:scale(.99)}.kofi-btn-primary:disabled{background:#94a3b8;cursor:not-allowed}.error-message{padding:12px;background:#fef2f2;color:#991b1b;border:1px solid #fee2e2;border-radius:8px;font-size:13px;margin-bottom:24px;text-align:center}.kofi-footer{margin-top:32px;font-size:11px;color:var(--kofi-text-muted);font-weight:500}.kofi-chat-container{height:100vh;display:flex;flex-direction:column;background:var(--kofi-bg);font-family:Inter,sans-serif;color:var(--kofi-text-main)}.kofi-chat-header{padding:16px 24px;background:var(--kofi-card-bg);border-bottom:1px solid var(--kofi-border);display:flex;align-items:center;justify-content:space-between}.kofi-header-info{display:flex;align-items:center;gap:12px}.kofi-icon-wrapper{position:relative;width:36px;height:36px;background:#f8fafc;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#000;border:1px solid #e2e8f0}.kofi-pulse-dot{position:absolute;bottom:-2px;right:-2px;width:10px;height:10px;background:#10b981;border:2px solid #ffffff;border-radius:50%;animation:mini-pulse 2s infinite}@keyframes mini-pulse{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 6px 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h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0}.period-subtitle{color:var(--text-secondary);font-size:.9rem;font-weight:500;background:var(--bg-secondary);padding:.5rem 1rem;border-radius:8px;margin:0}.compliance-tabs{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:2px solid var(--border-color);padding-bottom:.5rem}.tab-btn{background:none;border:none;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;color:var(--text-secondary);cursor:pointer;border-radius:8px;transition:all .2s ease}.tab-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.tab-btn.active{background:var(--primary-light);color:var(--primary-color)}.card{background:var(--card-bg, #ffffff);border-radius:12px;box-shadow:0 4px 6px #0000000d;padding:1.5rem;margin-bottom:2rem;border:1px solid var(--border-color)}.alert-card{border-left:4px solid var(--danger-color, #ef4444)}.card h3{margin-top:0;margin-bottom:.5rem;font-size:1.25rem;color:var(--text-primary)}.sub-text{color:var(--text-secondary);font-size:.9rem;margin-bottom:1.5rem}.table-responsive{overflow-x:auto}.compliance-table{width:100%;border-collapse:collapse;white-space:nowrap}.compliance-table th,.compliance-table td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-color)}.compliance-table th{font-weight:600;color:var(--text-secondary);font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;background-color:var(--bg-secondary)}.compliance-table tbody tr:hover{background-color:var(--bg-secondary)}.teacher-name{font-weight:600;color:var(--text-primary)}.teacher-email{font-size:.8rem;color:var(--text-secondary);margin-top:.25rem}.badge{padding:.25rem .6rem;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase;display:inline-block}.class-teacher{background-color:#3b82f61a;color:#3b82f6;border:1px solid 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16px;font-size:13px;font-weight:600;border:1.5px solid var(--border-color, #d1d5db);border-radius:8px;background:var(--surface, #ffffff);color:var(--text-primary, #374151);cursor:pointer;transition:all .2s ease;white-space:nowrap;line-height:1}.mobile-button-secondary:hover{background:var(--surface-hover, #f3f4f6);border-color:var(--primary-color, #4f46e5);color:var(--primary-color, #4f46e5);box-shadow:0 1px 3px #00000014}.mobile-button-secondary:active{transform:scale(.97)}.mobile-button-secondary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.mobile-button-secondary:disabled:hover{background:var(--surface, #ffffff);border-color:var(--border-color, #d1d5db);color:var(--text-primary, #374151);transform:none}.mobile-button-secondary.pulse-voice{background:#ef4444;color:#fff;border-color:#ef4444}.mobile-button-secondary.pulse-voice:hover{background:#dc2626;border-color:#dc2626;color:#fff}.flash-slots-config select,.flash-slots-config input[type=text],.flash-slots-config 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