:root{--primary-50:#eef2ff;--primary-100:#e0e7ff;--primary-200:#c7d2fe;--primary-300:#a5b4fc;--primary-400:#818cf8;--primary-500:#6366f1;--primary-600:#4f46e5;--primary-700:#4338ca;--primary-800:#3730a3;--primary-900:#312e81;--accent-50:#fff7ed;--accent-100:#ffedd5;--accent-200:#fed7aa;--accent-300:#fdba74;--accent-400:#fb923c;--accent-500:#f97316;--accent-600:#ea580c;--success-50:#ecfdf5;--success-100:#d1fae5;--success-400:#34d399;--success-500:#10b981;--success-600:#059669;--warning-50:#fffbeb;--warning-400:#fbbf24;--warning-500:#f59e0b;--danger-50:#fef2f2;--danger-400:#f87171;--danger-500:#ef4444;--neutral-50:#fafafa;--neutral-100:#f5f5f5;--neutral-200:#e5e5e5;--neutral-300:#d4d4d4;--neutral-400:#a3a3a3;--neutral-500:#737373;--neutral-600:#525252;--neutral-700:#404040;--neutral-800:#262626;--neutral-900:#171717;--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--border-light:#e2e8f0;--border-medium:#cbd5e1;--shadow-xs:0 1px 2px #0000000d;--shadow-sm:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--shadow-glow:0 0 20px #6366f126;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--font-family:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-xs:.75rem;--font-sm:.875rem;--font-base:1rem;--font-lg:1.125rem;--font-xl:1.25rem;--font-2xl:1.5rem;--font-3xl:1.875rem;--font-4xl:2.25rem;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.35s cubic-bezier(.4, 0, .2, 1);--transition-spring:.5s cubic-bezier(.34, 1.56, .64, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-family);color:var(--text-primary);background:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;line-height:1.6;overflow-x:hidden}#root{flex-direction:column;min-height:100dvh;display:flex}img,video{max-width:100%;height:auto;display:block}button{cursor:pointer;font-family:inherit;font-size:inherit;background:0 0;border:none}input,textarea,select{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}ul,ol{list-style:none}.container{width:100%;max-width:480px;padding:0 var(--space-4);margin:0 auto}.page-wrapper{background:var(--bg-secondary);flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;display:flex;position:relative}.page-content{flex:1;padding-bottom:5.5rem;overflow-y:auto}.card{background:var(--bg-primary);border-radius:var(--radius-xl);padding:var(--space-4);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:transform var(--transition-fast), box-shadow var(--transition-fast)}.card:hover{box-shadow:var(--shadow-md)}.card-glass{-webkit-backdrop-filter:blur(20px);border-radius:var(--radius-xl);padding:var(--space-4);background:#ffffffb3;border:1px solid #ffffff4d}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-radius:var(--radius-lg);font-weight:600;font-size:var(--font-sm);transition:all var(--transition-fast);white-space:nowrap;display:inline-flex;position:relative;overflow:hidden}.btn:after{content:"";pointer-events:none;background:linear-gradient(#ffffff26 0%,#fff0 100%);position:absolute;inset:0}.btn-primary{background:linear-gradient(135deg, var(--primary-500), var(--primary-600));color:#fff;box-shadow:0 2px 8px #6366f159}.btn-primary:hover{background:linear-gradient(135deg, var(--primary-400), var(--primary-500));transform:translateY(-1px);box-shadow:0 4px 12px #6366f173}.btn-primary:active{transform:translateY(0);box-shadow:0 1px 4px #6366f14d}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-light)}.btn-secondary:hover{background:var(--bg-secondary);border-color:var(--border-medium)}.btn-accent{background:linear-gradient(135deg, var(--accent-400), var(--accent-500));color:#fff;box-shadow:0 2px 8px #f9731659}.btn-accent:hover{transform:translateY(-1px);box-shadow:0 4px 12px #f9731673}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-icon{border-radius:var(--radius-full);justify-content:center;align-items:center;width:2.5rem;height:2.5rem;padding:0;display:flex}.btn-lg{padding:var(--space-4) var(--space-6);font-size:var(--font-base);border-radius:var(--radius-xl)}.btn-full{width:100%}.form-label{font-size:var(--font-sm);color:var(--text-secondary);margin-bottom:var(--space-2);font-weight:600;display:block}.form-input{width:100%;padding:var(--space-3) var(--space-4);border:1.5px solid var(--border-light);border-radius:var(--radius-lg);background:var(--bg-primary);color:var(--text-primary);font-size:var(--font-base);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none}.form-input:focus{border-color:var(--primary-400);box-shadow:0 0 0 3px #6366f11a}.form-input::placeholder{color:var(--text-tertiary)}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:2.5rem}.badge{align-items:center;gap:var(--space-1);padding:.125rem var(--space-2);border-radius:var(--radius-full);font-size:var(--font-xs);font-weight:600;line-height:1.5;display:inline-flex}.badge-primary{background:var(--primary-100);color:var(--primary-700)}.badge-success{background:var(--success-100);color:var(--success-600)}.badge-warning{background:var(--warning-50);color:var(--warning-500)}.badge-accent{background:var(--accent-100);color:var(--accent-600)}.badge-danger{background:var(--danger-50);color:var(--danger-500)}.avatar{border-radius:var(--radius-full);width:2.5rem;height:2.5rem;font-weight:700;font-size:var(--font-sm);color:#fff;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.avatar img{object-fit:cover;width:100%;height:100%}.avatar-sm{width:2rem;height:2rem;font-size:var(--font-xs)}.avatar-lg{width:3.5rem;height:3.5rem;font-size:var(--font-lg)}.avatar-xl{width:5rem;height:5rem;font-size:var(--font-2xl)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes slideInBottomSheet{0%{transform:translate(-50%,100%)}to{transform:translate(-50%)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes ripple{to{opacity:0;transform:scale(4)}}.animate-fade-in{animation:fadeIn var(--transition-base) forwards}.animate-fade-in-up{animation:fadeInUp var(--transition-slow) forwards}.animate-slide-in-up{animation:slideInUp var(--transition-slow) forwards}.animate-scale-in{animation:scaleIn var(--transition-spring) forwards}.stagger-1{animation-delay:50ms}.stagger-2{animation-delay:.1s}.stagger-3{animation-delay:.15s}.stagger-4{animation-delay:.2s}.stagger-5{animation-delay:.25s}.stagger-6{animation-delay:.3s}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--neutral-300);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--neutral-400)}.toast-container{top:var(--space-4);z-index:9999;gap:var(--space-2);flex-direction:column;width:calc(100% - 2rem);max-width:460px;display:flex;position:fixed;left:50%;transform:translate(-50%)}.toast{background:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-4);box-shadow:var(--shadow-lg);align-items:center;gap:var(--space-3);animation:fadeInDown var(--transition-spring) forwards;border-left:3px solid var(--primary-500);display:flex}.toast-success{border-left-color:var(--success-500)}.toast-warning{border-left-color:var(--warning-500)}.toast-error{border-left-color:var(--danger-500)}.gradient-primary{background:linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%)}.gradient-warm{background:linear-gradient(135deg, var(--accent-400) 0%, var(--primary-500) 100%)}.gradient-hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.gradient-mesh{background:radial-gradient(at 40% 20%, #9579fc26 0px, transparent 50%), radial-gradient(at 80% 0%, #8ba8fd1a 0px, transparent 50%), radial-gradient(at 0% 50%, #ff85af14 0px, transparent 50%), var(--bg-secondary)}.status-dot{border-radius:var(--radius-full);width:8px;height:8px;display:inline-block}.status-dot-online{background:var(--success-500);box-shadow:0 0 6px #10b98180}.status-dot-offline{background:var(--neutral-300)}.empty-state{padding:var(--space-12) var(--space-4);text-align:center;color:var(--text-tertiary);flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state svg{margin-bottom:var(--space-4);opacity:.4}.empty-state h3{color:var(--text-secondary);margin-bottom:var(--space-2)}.bottom-sheet-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0006;animation:.2s forwards fadeIn;position:fixed;inset:0}.bottom-sheet{background:var(--bg-primary);border-radius:var(--radius-2xl) var(--radius-2xl) 0 0;z-index:101;width:100%;max-width:480px;animation:slideInBottomSheet var(--transition-slow) forwards;max-height:85dvh;position:fixed;bottom:0;left:50%;overflow-y:auto;transform:translate(-50%,100%)}.bottom-sheet-handle{border-radius:var(--radius-full);background:var(--neutral-300);width:36px;height:4px;margin:var(--space-3) auto var(--space-4)}.skeleton{background:linear-gradient(90deg, var(--neutral-100) 25%, var(--neutral-200) 50%, var(--neutral-100) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}@media (width>=481px){.page-wrapper{border-left:1px solid var(--border-light);border-right:1px solid var(--border-light);box-shadow:var(--shadow-xl)}body{background:linear-gradient(135deg,#e0e7ff 0%,#f8fafc 50%,#ede9fe 100%)}}.toast-icon{flex-shrink:0;align-items:center;display:flex}.toast-icon-success{color:var(--success-500)}.toast-icon-warning{color:var(--warning-500)}.toast-icon-error{color:var(--danger-500)}.toast-icon-info{color:var(--primary-500)}.toast-message{font-size:var(--font-sm);color:var(--text-primary);flex:1;font-weight:500}.toast-close{padding:var(--space-1);border-radius:var(--radius-full);color:var(--text-tertiary);transition:all var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.toast-close:hover{background:var(--neutral-100);color:var(--text-primary)}.bottom-nav{-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-light);width:100%;max-width:480px;padding:var(--space-2) 0;padding-bottom:calc(var(--space-2) + env(safe-area-inset-bottom,0px));z-index:50;background:#ffffffeb;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav-item{padding:var(--space-1) var(--space-3);color:var(--text-tertiary);transition:color var(--transition-fast);-webkit-tap-highlight-color:transparent;flex-direction:column;align-items:center;gap:2px;display:flex;position:relative}.bottom-nav-item.active{color:var(--primary-600)}.bottom-nav-item:hover{color:var(--primary-500)}.bottom-nav-icon-wrapper{justify-content:center;align-items:center;width:2rem;height:2rem;display:flex;position:relative}.bottom-nav-indicator{border-radius:var(--radius-full);background:var(--primary-500);width:4px;height:4px;animation:.2s forwards scaleIn;position:absolute;bottom:-4px;left:50%;transform:translate(-50%)}.bottom-nav-badge{background:var(--danger-500);color:#fff;border-radius:var(--radius-full);min-width:16px;height:16px;animation:scaleIn var(--transition-spring) forwards;justify-content:center;align-items:center;padding:0 4px;font-size:10px;font-weight:700;display:flex;position:absolute;top:-2px;right:-6px}.bottom-nav-label{font-size:10px;font-weight:600;line-height:1}.login-page{background:linear-gradient(160deg,#0f0c29 0%,#302b63 50%,#24243e 100%);justify-content:center;align-items:center;min-height:100dvh;display:flex;position:relative;overflow:hidden}.login-bg{pointer-events:none;position:absolute;inset:0;overflow:hidden}.login-bg-circle{filter:blur(60px);opacity:.4;border-radius:50%;position:absolute}.login-bg-circle-1{background:#6366f1;width:300px;height:300px;animation:6s ease-in-out infinite float;top:-80px;right:-60px}.login-bg-circle-2{background:#f97316;width:200px;height:200px;animation:8s ease-in-out infinite reverse float;bottom:10%;left:-40px}.login-bg-circle-3{background:#ec4899;width:150px;height:150px;animation:7s ease-in-out 1s infinite float;top:40%;right:-30px}.login-content{z-index:1;width:100%;max-width:420px;padding:var(--space-6);position:relative}.login-brand{text-align:center;margin-bottom:var(--space-6)}.login-logo{margin-bottom:var(--space-4);justify-content:center;display:flex}.login-logo-icon{border-radius:var(--radius-2xl);color:#fff;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#a855f7 100%);justify-content:center;align-items:center;width:72px;height:72px;animation:4s ease-in-out infinite float;display:flex;box-shadow:0 8px 32px #6366f166}.login-title{font-size:var(--font-3xl);color:#fff;letter-spacing:-.02em;margin-bottom:var(--space-2);font-weight:800}.login-subtitle{font-size:var(--font-sm);color:#fff9;max-width:280px;margin:0 auto;line-height:1.5}.login-features{gap:var(--space-2);margin-bottom:var(--space-8);justify-content:center;display:flex}.login-feature-pill{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-full);color:#fffc;font-size:var(--font-xs);background:#ffffff1a;border:1px solid #ffffff26;font-weight:500;display:inline-flex}.login-section{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-2xl);padding:var(--space-6);background:#ffffff14;border:1px solid #ffffff1f}.login-section-header{margin-bottom:var(--space-4)}.login-back-btn{color:#fff9;font-size:var(--font-sm);margin-bottom:var(--space-2);transition:color var(--transition-fast);font-weight:500}.login-back-btn:hover{color:#fff}.login-section-title{font-size:var(--font-lg);color:#fff;margin-bottom:var(--space-4);font-weight:700}.login-roles{gap:var(--space-3);flex-direction:column;display:flex}.login-role-card{align-items:center;gap:var(--space-4);padding:var(--space-4);border-radius:var(--radius-xl);transition:all var(--transition-fast);text-align:left;background:#ffffff0f;border:1px solid #ffffff1a;display:flex}.login-role-card:hover{background:#ffffff1f;border-color:#fff3;transform:translate(4px)}.login-role-icon{border-radius:var(--radius-xl);flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;display:flex}.login-role-info{flex:1}.login-role-info h3{font-size:var(--font-base);color:#fff;margin-bottom:2px;font-weight:700}.login-role-info p{font-size:var(--font-xs);color:#ffffff80;line-height:1.4}.login-role-arrow{color:#ffffff4d;transition:transform var(--transition-fast);flex-shrink:0}.login-role-card:hover .login-role-arrow{color:#fff9;transform:translate(4px)}.login-users{gap:var(--space-2);margin-bottom:var(--space-4);flex-direction:column;display:flex}.login-user-card{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);transition:all var(--transition-fast);text-align:left;background:#ffffff0f;border:1.5px solid #ffffff1a;display:flex}.login-user-card:hover{background:#ffffff1a}.login-user-card.selected{background:#6366f126;border-color:#6366f180}.login-user-info{flex:1}.login-user-info h4{font-size:var(--font-sm);color:#fff;font-weight:600}.login-user-info p{font-size:var(--font-xs);color:#ffffff73}.login-user-check{border-radius:var(--radius-full);color:#fff;width:22px;height:22px;transition:all var(--transition-fast);border:2px solid #fff3;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;display:flex}.login-user-check.checked{background:var(--primary-500);border-color:var(--primary-500);animation:.2s forwards scaleIn}.login-submit{opacity:.5;pointer-events:none;transition:all var(--transition-fast)}.login-submit.ready{opacity:1;pointer-events:all}.login-footer{text-align:center;font-size:var(--font-xs);color:#ffffff4d;margin-top:var(--space-8)}.login-form{gap:var(--space-4);flex-direction:column;display:flex}.login-form-group{gap:var(--space-2);flex-direction:column;display:flex}.login-form-label{align-items:center;gap:var(--space-2);font-size:var(--font-sm);color:#fffc;font-weight:500;display:flex}.login-form-input{width:100%;padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);color:#fff;font-size:var(--font-base);transition:all var(--transition-fast);background:#ffffff14;border:1px solid #ffffff26}.login-form-input::placeholder{color:#fff6}.login-form-input:focus{background:#ffffff1f;border-color:#6366f180;outline:none;box-shadow:0 0 0 3px #6366f133}.login-password-wrapper{position:relative}.login-password-wrapper .login-form-input{padding-right:48px}.login-password-toggle{color:#ffffff80;cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;align-items:center;padding:4px;display:flex;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.login-password-toggle:hover{color:#fff}.login-error{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);color:#fca5a5;font-size:var(--font-sm);background:#ef444426;border:1px solid #ef44444d;display:flex}.login-loading{justify-content:center;align-items:center;gap:var(--space-2);display:flex}.login-demo-info{margin-top:var(--space-4);padding:var(--space-4);border-radius:var(--radius-lg);background:#ffffff0f;border:1px dashed #ffffff26}.login-demo-title{font-size:var(--font-sm);color:#fffc;margin-bottom:var(--space-2);font-weight:600}.login-demo-accounts{gap:var(--space-1);flex-direction:column;display:flex}.login-demo-accounts p,.login-demo-info p{font-size:var(--font-xs);color:#ffffff80;margin:0}.login-demo-accounts strong,.login-demo-info strong{color:#fffc}.admin-card{margin-top:var(--space-2);border:1px dashed #ffffff26}.teacher-header{position:relative;overflow:hidden}.teacher-header-bg{border-radius:0 0 var(--radius-2xl) var(--radius-2xl);background:linear-gradient(135deg,#4338ca 0%,#6366f1 50%,#8b5cf6 100%);position:absolute;inset:0}.teacher-header-content{padding:var(--space-6) var(--space-4) var(--space-8);color:#fff;position:relative}.teacher-header-top{margin-bottom:var(--space-1);justify-content:space-between;align-items:flex-start;display:flex}.teacher-greeting{font-size:var(--font-sm);opacity:.8;font-weight:500}.teacher-name{font-size:var(--font-2xl);letter-spacing:-.02em;font-weight:800}.teacher-notif-btn{border-radius:var(--radius-full);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;width:40px;height:40px;transition:background var(--transition-fast);background:#ffffff26;justify-content:center;align-items:center;display:flex;position:relative}.teacher-notif-btn:hover{background:#ffffff40}.teacher-notif-dot{border-radius:var(--radius-full);background:var(--accent-400);border:2px solid var(--primary-600);width:8px;height:8px;position:absolute;top:8px;right:8px}.teacher-header-actions{align-items:center;gap:var(--space-2);display:flex}.teacher-logout-btn{border-radius:var(--radius-full);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;width:40px;height:40px;transition:background var(--transition-fast);background:#ffffff26;justify-content:center;align-items:center;display:flex}.teacher-logout-btn:hover{background:#ef444466}.teacher-date{font-size:var(--font-sm);opacity:.7;margin-bottom:var(--space-2)}.teacher-class-badge{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-full);font-size:var(--font-xs);background:#ffffff26;font-weight:600;display:inline-flex}.teacher-section{margin-top:var(--space-5)}.teacher-section-header{margin-bottom:var(--space-3);justify-content:space-between;align-items:center;display:flex}.teacher-section-header h2{font-size:var(--font-base);align-items:center;gap:var(--space-2);color:var(--text-primary);font-weight:700;display:flex}.teacher-see-all{font-size:var(--font-xs);color:var(--primary-500);transition:color var(--transition-fast);align-items:center;gap:2px;font-weight:600;display:flex}.teacher-see-all:hover{color:var(--primary-600)}.teacher-quick-actions{gap:var(--space-3);margin-top:calc(-1 * var(--space-6));z-index:2;grid-template-columns:repeat(3,1fr);display:grid;position:relative}.teacher-quick-action{align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-2);background:var(--bg-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);transition:all var(--transition-fast);border:1px solid var(--border-light);flex-direction:column;display:flex}.teacher-quick-action:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.teacher-quick-action:active{transform:translateY(0)}.teacher-quick-icon{border-radius:var(--radius-lg);justify-content:center;align-items:center;width:44px;height:44px;display:flex}.teacher-quick-label{font-size:var(--font-xs);color:var(--text-primary);font-weight:700}.teacher-quick-desc{color:var(--text-tertiary);font-size:10px;font-weight:500}.teacher-stats{gap:var(--space-3);grid-template-columns:repeat(3,1fr);display:grid}.teacher-stat-card{gap:var(--space-2);padding:var(--space-3);background:var(--bg-primary);border-radius:var(--radius-xl);border:1px solid var(--border-light);flex-direction:column;display:flex}.teacher-stat-icon{border-radius:var(--radius-lg);justify-content:center;align-items:center;width:36px;height:36px;display:flex}.teacher-stat-value{font-size:var(--font-xl);color:var(--text-primary);letter-spacing:-.02em;font-weight:800}.teacher-stat-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-size:10px;font-weight:600}.teacher-children-list{gap:var(--space-3);flex-direction:column;display:flex}.teacher-child-card{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--bg-primary);border-radius:var(--radius-xl);border:1px solid var(--border-light);transition:all var(--transition-fast);display:flex}.teacher-child-card:hover{box-shadow:var(--shadow-md)}.teacher-child-info{flex:1}.teacher-child-info h3{font-size:var(--font-sm);color:var(--text-primary);margin-bottom:2px;font-weight:700}.teacher-child-info p{font-size:var(--font-xs);color:var(--text-tertiary);margin-bottom:var(--space-1)}.teacher-child-badges{gap:var(--space-1);flex-wrap:wrap;display:flex}.teacher-child-action{border-radius:var(--radius-full);width:32px;height:32px;color:var(--text-tertiary);background:var(--bg-secondary);transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.teacher-child-action:hover{background:var(--primary-100);color:var(--primary-600)}.draft-pending-banner{border-radius:var(--radius-xl);padding:var(--space-4);margin-top:var(--space-1);background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1.5px solid #fcd34d}.draft-pending-header{align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);display:flex}.draft-cloud-icon{color:#f59e0b;flex-shrink:0}.draft-pending-title{font-size:var(--font-sm);color:#92400e;font-weight:700}.draft-pending-children{gap:var(--space-2);flex-direction:column;display:flex}.draft-child-btn{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-lg);text-align:left;width:100%;transition:all var(--transition-fast);background:#fff;border:1px solid #fde68a;display:flex}.draft-child-btn:hover{background:#fef9c3;border-color:#fcd34d}.draft-child-avatar{border-radius:var(--radius-full);color:#fff;width:28px;height:28px;font-weight:700;font-size:var(--font-xs);flex-shrink:0;justify-content:center;align-items:center;display:flex}.draft-child-name{font-size:var(--font-sm);color:var(--text-primary);flex:1;font-weight:600}.draft-child-count{font-size:var(--font-xs);color:#fff;border-radius:var(--radius-full);text-align:center;background:#f59e0b;min-width:20px;padding:2px 8px;font-weight:700}.teacher-activity-list{gap:var(--space-2);flex-direction:column;display:flex}.teacher-activity-item{align-items:center;gap:var(--space-3);padding:var(--space-3);background:var(--bg-primary);border-radius:var(--radius-lg);border:1px solid var(--border-light);display:flex}.teacher-activity-emoji{font-size:var(--font-xl);text-align:center;flex-shrink:0;width:36px}.teacher-activity-content{flex:1;min-width:0}.teacher-activity-title{font-size:var(--font-sm);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.teacher-activity-time{font-size:var(--font-xs);color:var(--text-tertiary)}.moments-header{align-items:center;gap:var(--space-3);padding:var(--space-4);background:var(--bg-primary);border-bottom:1px solid var(--border-light);z-index:10;display:flex;position:sticky;top:0}.moments-header h1{font-size:var(--font-lg);flex:1;font-weight:700}.moments-timeline{gap:var(--space-4);padding:var(--space-4) 0;flex-direction:column;display:flex}.moment-card{background:var(--bg-primary);border-radius:var(--radius-xl);padding:var(--space-4);border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.moment-card-header{align-items:center;gap:var(--space-3);margin-bottom:var(--space-3);display:flex}.moment-card-meta{flex:1}.moment-card-meta h3{font-size:var(--font-sm);font-weight:700}.moment-card-time{align-items:center;gap:var(--space-2);font-size:var(--font-xs);color:var(--text-tertiary);margin-top:2px;display:flex}.moment-card-media{gap:var(--space-2);margin-bottom:var(--space-3);border-radius:var(--radius-lg);grid-template-columns:repeat(auto-fill,minmax(120px,1fr));display:grid;overflow:hidden}.moment-media-item{object-fit:cover;border-radius:var(--radius-lg);width:100%;height:160px}.moment-card-title{font-size:var(--font-sm);color:var(--text-primary);margin-bottom:var(--space-1);font-weight:700}.moment-card-desc{font-size:var(--font-sm);color:var(--text-secondary);line-height:1.6}.moment-card-footer{align-items:center;gap:var(--space-4);margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--border-light);display:flex}.moment-like-btn{align-items:center;gap:var(--space-1);color:var(--text-tertiary);font-size:var(--font-sm);padding:var(--space-1) var(--space-2);border-radius:var(--radius-full);transition:all var(--transition-fast);font-weight:600;display:flex}.moment-like-btn:hover{background:var(--danger-50);color:var(--danger-500)}.moment-form{padding:0 var(--space-5) var(--space-6)}.moment-form-header{margin-bottom:var(--space-5);justify-content:space-between;align-items:center;display:flex}.moment-form-header h2{font-size:var(--font-lg);align-items:center;gap:var(--space-2);font-weight:700;display:flex}.moment-child-chips{gap:var(--space-2);flex-wrap:wrap;display:flex}.moment-child-chip{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);border:1.5px solid var(--border-light);font-size:var(--font-sm);background:var(--bg-primary);transition:all var(--transition-fast);color:var(--text-secondary);font-weight:600;display:flex}.moment-child-chip:hover{border-color:var(--border-medium)}.moment-child-chip.selected{border-color:var(--chip-color);background:color-mix(in srgb, var(--chip-color) 8%, white);color:var(--text-primary)}.moment-chip-avatar{border-radius:var(--radius-full);color:#fff;justify-content:center;align-items:center;width:22px;height:22px;font-size:10px;font-weight:700;display:flex}.moment-type-grid{gap:var(--space-2);grid-template-columns:repeat(2,1fr);display:grid}.moment-type-chip{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-lg);border:1.5px solid var(--border-light);font-size:var(--font-sm);background:var(--bg-primary);transition:all var(--transition-fast);color:var(--text-secondary);font-weight:500;display:flex}.moment-type-chip:hover{border-color:var(--primary-300)}.moment-type-chip.selected{border-color:var(--primary-500);background:var(--primary-50);color:var(--primary-700);font-weight:600}.moment-media-upload{gap:var(--space-2);flex-wrap:wrap;display:flex}.moment-media-preview{border-radius:var(--radius-lg);width:80px;height:80px;position:relative;overflow:hidden}.moment-media-preview img,.moment-media-preview video{object-fit:cover;width:100%;height:100%}.moment-media-remove{border-radius:var(--radius-full);color:#fff;background:#0009;justify-content:center;align-items:center;width:20px;height:20px;display:flex;position:absolute;top:4px;right:4px}.moment-media-add{border-radius:var(--radius-lg);border:2px dashed var(--border-medium);justify-content:center;align-items:center;gap:var(--space-1);width:80px;height:80px;color:var(--text-tertiary);font-size:var(--font-xs);transition:all var(--transition-fast);flex-direction:column;font-weight:600;display:flex}.moment-media-add:hover{border-color:var(--primary-400);color:var(--primary-500);background:var(--primary-50)}.reports-page{background-color:var(--bg-secondary);min-height:100dvh;padding-bottom:5.5rem}.reports-header{padding:var(--space-3) var(--space-4);background:var(--bg-primary);border-bottom:1px solid var(--border-light);z-index:10;align-items:center;gap:var(--space-2);display:flex;position:sticky;top:0}.reports-header .text-xl{font-size:var(--font-lg);color:var(--text-primary);font-weight:700}.reports-header .text-sm{font-size:var(--font-xs);color:var(--text-secondary)}.reports-content{padding:var(--space-4);gap:var(--space-4);flex-direction:column;display:flex}.stats-card{background:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-sm)}.stats-info{align-items:baseline;gap:var(--space-2);margin-bottom:var(--space-2);display:flex}.stats-value{font-size:var(--text-2xl);color:var(--text-primary);font-weight:700}.stats-label{font-size:var(--text-sm);color:var(--text-secondary)}.progress-bar{background-color:var(--border-light);border-radius:var(--radius-full);height:8px;overflow:hidden}.progress-fill{background-color:var(--primary-500);border-radius:var(--radius-full);height:100%;transition:width .5s ease-out}.section-title{font-size:var(--text-base);color:var(--text-primary);margin-bottom:var(--space-2);font-weight:600}.children-grid{gap:var(--space-3);flex-direction:column;display:flex}.child-report-card{background:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--space-3);align-items:center;gap:var(--space-3);box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex}.child-report-card:active{transform:scale(.98)}.child-avatar{border-radius:var(--radius-full);color:#fff;width:48px;height:48px;font-weight:600;font-size:var(--text-lg);justify-content:center;align-items:center;display:flex}.child-info{flex:1}.child-name{color:var(--text-primary);margin-bottom:4px;font-weight:600}.status-badge{font-size:var(--text-xs);border-radius:var(--radius-full);align-items:center;gap:4px;padding:2px 8px;font-weight:500;display:inline-flex}.status-badge.success{background-color:var(--success-50);color:var(--success-600)}.status-badge.pending{background-color:var(--warning-50);color:var(--warning-600)}.form-section{background:var(--bg-secondary);padding:var(--space-4);border-radius:var(--radius-lg);margin-bottom:var(--space-4)}.form-section.row{gap:var(--space-4);display:flex}.flex-1{flex:1}.form-section-title{align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--text-primary);margin-bottom:var(--space-3);font-weight:600;display:flex}.form-group{margin-bottom:var(--space-3)}.form-group:last-child{margin-bottom:0}.form-group label{font-size:var(--text-xs);color:var(--text-secondary);margin-bottom:var(--space-1);display:block}.form-select,.form-textarea{width:100%;padding:var(--space-3);border:1px solid var(--border-light);border-radius:var(--radius-md);background:var(--bg-primary);font-family:inherit;font-size:var(--text-sm);color:var(--text-primary)}.form-select:focus,.form-textarea:focus{border-color:var(--primary-500);box-shadow:0 0 0 2px var(--primary-100);outline:none}.form-textarea{resize:vertical;min-height:80px}.counter-input{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);align-items:center;display:flex;overflow:hidden}.counter-input button{padding:var(--space-2);font-size:var(--text-lg);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;flex:1}.counter-input button:active{background:var(--bg-secondary)}.counter-input span{text-align:center;color:var(--text-primary);flex:2;font-weight:600}.sheet-header{padding:0 var(--space-4) var(--space-3);justify-content:space-between;align-items:flex-start;display:flex}.sheet-title{font-size:var(--font-lg);color:var(--text-primary);font-weight:700}.sheet-subtitle{font-size:var(--font-sm);color:var(--text-secondary);margin-top:2px}.sheet-content{padding:0 var(--space-4);max-height:calc(85dvh - 140px);overflow-y:auto}.sheet-footer{padding:var(--space-4);border-top:1px solid var(--border-light);background:var(--bg-primary);position:sticky;bottom:0}.btn-icon.primary{background:var(--primary-100);color:var(--primary-600)}.btn-icon.text-secondary{color:var(--text-secondary)}.btn-icon.btn-edit{background:var(--primary-50);color:var(--primary-600);border-radius:var(--radius-md)}.btn-icon.btn-danger{background:var(--danger-50);color:var(--danger-500);border-radius:var(--radius-md)}.font-bold{font-weight:700}.text-secondary{color:var(--text-secondary)}.child-dashboard{background:#f8fafc;min-height:100vh;padding-bottom:80px}.child-dashboard-error{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:80vh;display:flex}.child-dashboard-header{color:#fff;padding:20px;position:relative}.back-button{cursor:pointer;background:#fff3;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:flex;position:absolute;top:20px;left:20px}.child-header-info{align-items:center;gap:16px;padding-left:50px;display:flex}.child-avatar-large{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;font-size:24px;font-weight:700;display:flex;overflow:hidden}.child-avatar-large img{object-fit:cover;width:100%;height:100%}.child-header-details h1{margin:0;font-size:20px;font-weight:700}.child-header-details p{opacity:.8;margin:4px 0 0;font-size:14px}.parent-info-card{background:#fff;border-radius:12px;justify-content:space-between;align-items:center;margin:12px 16px;padding:12px 20px;display:flex;box-shadow:0 1px 3px #0000001a}.parent-info{align-items:center;gap:12px;display:flex}.parent-avatar-small{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-weight:600;display:flex;overflow:hidden}.parent-avatar-small img{object-fit:cover;width:100%;height:100%}.parent-label{color:#64748b;margin:0;font-size:12px}.parent-name{color:#1e293b;margin:2px 0 0;font-size:14px;font-weight:600}.action-buttons{gap:12px;margin-bottom:16px;padding:0 16px;display:flex}.action-btn{cursor:pointer;border:none;border-radius:12px;flex-direction:column;flex:1;align-items:center;gap:6px;padding:12px 8px;font-size:12px;font-weight:500;transition:all .2s;display:flex}.action-btn.primary{color:#6366f1;background:#ede9fe}.action-btn.secondary{color:#3b82f6;background:#dbeafe}.action-btn.draft{color:#d97706;background:#fef3c7}.action-btn.publish{color:#16a34a;background:#dcfce7}.action-btn:hover{transform:translateY(-2px);box-shadow:0 2px 8px #0000001a}.gallery-section{padding:0 16px}.gallery-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.gallery-header h2{color:#1e293b;margin:0;font-size:16px;font-weight:600}.gallery-count{color:#64748b;font-size:13px}.gallery-empty{text-align:center;background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;padding:48px 20px;display:flex}.gallery-empty p{color:#64748b;margin:12px 0 0;font-size:16px;font-weight:500}.gallery-empty-sub{color:#94a3b8!important;font-size:13px!important}.gallery-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.gallery-item{background:#fff;border-radius:12px;position:relative;overflow:hidden;box-shadow:0 1px 3px #0000001a}.gallery-image-container,.gallery-video-container{aspect-ratio:4/3;position:relative;overflow:hidden}.gallery-image-container img,.gallery-video-container video{object-fit:cover;width:100%;height:100%}.video-indicator{color:#fff;background:#00000080;border-radius:6px;padding:4px 6px;position:absolute;top:8px;right:8px}.gallery-item-info{padding:10px}.gallery-caption{color:#1e293b;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 6px;font-size:13px;line-height:1.4;display:-webkit-box;overflow:hidden}.gallery-meta{justify-content:space-between;align-items:center;display:flex}.gallery-time{color:#94a3b8;align-items:center;gap:4px;font-size:11px;display:flex}.gallery-actions{align-items:center;gap:8px;display:flex}.gallery-likes{color:#f43f5e;align-items:center;gap:4px;font-size:12px;display:flex}.gallery-action-btn{cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.gallery-action-btn.publish{color:#16a34a;background:#dcfce7}.gallery-action-btn.delete{color:#dc2626;background:#fee2e2}.gallery-action-btn.edit{color:#475569;background:#f1f5f9;width:auto;padding:0 8px;font-size:11px}.draft-badge{color:#fff;background:#00000080;border-radius:6px;align-items:center;gap:4px;padding:4px 8px;font-size:11px;display:flex;position:absolute;top:8px;left:8px}.upload-modal-overlay{z-index:100;background:#00000080;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.upload-modal{background:#fff;border-radius:16px;width:100%;max-width:400px;max-height:80vh;overflow-y:auto}.upload-modal-header{border-bottom:1px solid #e2e8f0;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.upload-modal-header h3{margin:0;font-size:18px;font-weight:600}.close-btn{cursor:pointer;color:#64748b;background:0 0;border:none}.upload-modal-content{padding:20px}.upload-area{text-align:center;cursor:pointer;border:2px dashed #d1d5db;border-radius:12px;padding:40px 20px;transition:all .2s}.upload-area:hover{background:#f5f3ff;border-color:#6366f1}.upload-area p{color:#374151;margin:12px 0 0;font-size:14px}.upload-hint{color:#94a3b8!important;font-size:12px!important}.upload-preview{text-align:center}.upload-preview img,.upload-preview 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