: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% 50%,rgba(255,255,255,.03) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(255,255,255,.03) 0%,transparent 50%);pointer-events:none}.brand-content{position:relative;z-index:2;max-width:500px;animation:fadeIn .8s ease-out}.brand-logo-container{width:72px;height:72px;background:#111;border:1px solid #1f1f1f;border-radius:0;display:flex;align-items:center;justify-content:center;margin-bottom:40px}.brand-logo-large{height:48px;width:auto;filter:invert(1) brightness(1.5);mix-blend-mode:screen}.brand-name{font-size:48px;font-weight:200;margin:0;letter-spacing:3px;font-family:Georgia,serif;font-style:italic}.brand-badge{display:block;font-size:13px;font-weight:300;color:#9ca3af;text-transform:uppercase;letter-spacing:.2em;margin:8px 0 32px;position:relative;padding-left:16px}.brand-badge:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:#fff;opacity:.5}.brand-tagline{font-size:18px;line-height:1.8;color:#d1d5db;margin:0;font-weight:300;letter-spacing:.5px}.brand-footer{margin-top:60px}.trusted-by{font-size:13px;color:#9ca3af;display:flex;align-items:center;gap:12px;font-weight:300;letter-spacing:.5px}.institution-icons{display:flex;gap:6px}.tiny-dot{width:6px;height:6px;background:#fff3;border-radius:50%}.login-form-side{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 40px 40px;position:relative;background:#fff}.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:#0f172a;letter-spacing:1px}.login-subtitle{color:#64748b;font-size:16px;margin:0;font-weight:300;letter-spacing:.5px}.form-group{margin-bottom:24px}.form-group label{display:block;font-size:13px;font-weight:300;margin-bottom:8px;color:#334155;text-transform:uppercase;letter-spacing:1px}.form-group input{width:100%;padding:12px 16px;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:0;font-size:15px;transition:all .3s ease;color:#0f172a;font-weight:300}.form-group input::placeholder{color:#94a3b8}.form-group input:focus{outline:none;background:#fff;border-color:#000;box-shadow:none}.btn-login{width:100%;height:52px;background:#000;color:#fff;border:1px solid #000000;border-radius:0;font-size:16px;font-weight:300;cursor:pointer;transition:all .3s ease;margin-top:8px;letter-spacing:1.5px}.btn-login:hover:not(:disabled){background:#1e293b;border-color:#1e293b}.btn-login:active{transform:scale(.98)}.btn-login:disabled{opacity:.6;cursor:not-allowed}.forgot-password{display:block;text-align:center;margin-top:24px;color:#64748b;font-size:14px;text-decoration:none;font-weight:300;font-style:italic;font-family:Georgia,serif;letter-spacing:.5px}.forgot-password:hover{color:#000}.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}.login-footer{position:absolute;bottom:32px;width:100%;text-align:center;color:#94a3b8;font-size:13px;font-weight:300}.footer-links{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:8px}.footer-links a{color:#64748b;text-decoration:none;font-weight:300;transition:color .3s ease}.footer-links a:hover{color:#000}.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(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@media(max-width:1024px){.login-brand-side{display:none}.login-form-side{background:#fff;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:40px;width:auto;object-fit:contain;display:block}.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}.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 #10b98100}to{box-shadow:0 0 #10b98100}}.kofi-modal-header h3{margin:0;font-size:15px;font-weight:700;color:#0f172a}.kofi-status-text{font-size:11px;color:#64748b;font-weight:500}.kofi-quick-starts{padding:12px 0;animation:fadeIn .5s ease-out}.quick-start-label{font-size:12px;font-weight:600;color:#94a3b8;margin-bottom:12px;text-transform:uppercase;letter-spacing:.05em}.quick-start-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.quick-start-grid button{background:#fff;border:1px solid #e2e8f0;padding:10px 12px;border-radius:10px;font-size:13px;text-align:left;color:#334155;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:8px}.quick-start-grid button:hover{border-color:#000;background:#f8fafc;transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.kofi-ward-badge{background:var(--kofi-bg);color:var(--kofi-text-main);padding:4px 12px;border-radius:12px;font-size:12px;font-weight:700;border:1px solid var(--kofi-border)}.kofi-back{background:none;border:none;color:var(--kofi-text-muted);font-size:13px;font-weight:600;cursor:pointer;padding:4px 8px;border-radius:4px}.kofi-back:hover{background:#f1f5f9}.kofi-messages-area{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:20px}.animate-message{animation:messageSlideIn .3s cubic-bezier(.18,.89,.32,1.28)}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.message-bubble{max-width:85%;display:flex;gap:8px;align-items:flex-end}.kofi-avatar-mini{width:24px;height:24px;background:#f1f5f9;border-radius:6px;display:flex;align-items:center;justify-content:center;color:#000;flex-shrink:0;border:1px solid #e2e8f0;margin-bottom:4px}.bubble-content{padding:12px 16px;border-radius:18px;font-size:14px;line-height:1.5;position:relative;box-shadow:0 1px 2px #0000000d}.user .bubble-content{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;border-bottom-right-radius:4px}.kofi .bubble-content{background:#fff;color:#1e293b;border-bottom-left-radius:4px;border:1px solid #e2e8f0}[data-theme=dark] .kofi .bubble-content{background:#1e293b;color:#f8fafc;border-color:#334155}.bubble-time{display:block;font-size:10px;margin-top:6px;opacity:.6;font-weight:500}.kofi-input-area{padding:20px;background:#fff;border-top:1px solid #e2e8f0}.input-wrapper{display:flex;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:4px;transition:all .2s;gap:8px}.input-wrapper:focus-within{border-color:#000;background:#fff;box-shadow:0 4px 12px #0000000d}.input-wrapper input{flex:1;border:none;background:transparent;padding:10px 16px;font-size:14px;outline:none;color:#0f172a}.send-btn{width:40px;height:40px;flex-shrink:0;border-radius:10px;background:#000;color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.send-btn:hover:not(:disabled){transform:scale(1.05);background:#1e293b}.kofi-input-area button:disabled{background:#e2e8f0;color:#94a3b8;cursor:not-allowed}.kofi-input-area button svg{width:18px;height:18px}.typing{display:flex;gap:5px;padding:15px 18px}.dot{width:6px;height:6px;background:var(--kofi-text-muted);border-radius:50%;animation:typing 1s infinite alternate}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%{transform:translateY(0);opacity:.4}to{transform:translateY(-4px);opacity:1}}.animate-shake{animation:shake .5s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-4px,0,0)}40%,60%{transform:translate3d(4px,0,0)}}.streaming-cursor{display:inline-block;animation:blink-cursor .8s steps(2) infinite;color:var(--kofi-primary);font-weight:300;margin-left:1px;vertical-align:baseline}@keyframes blink-cursor{0%,to{opacity:1}50%{opacity:0}}.kofi-floating-btn{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;border:none;background:#0009;color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #0003;transition:transform .2s,background .2s;z-index:1000}.kofi-floating-btn:hover{transform:scale(1.1);background:#334155e6}.kofi-floating-btn.active{background:#334155e6;transform:rotate(45deg)}.kofi-chat-modal{position:fixed;bottom:90px;right:24px;width:380px;height:700px;max-width:calc(100vw - 48px);max-height:calc(100vh - 100px);background:#fff;border-radius:16px;box-shadow:0 10px 25px #0000001a;display:flex;flex-direction:column;z-index:999;border:1px solid #e2e8f0;overflow:hidden}.kofi-modal-header{padding:12px 16px;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between;background:#fff}.kofi-modal-header h3{margin:0;font-size:16px;font-weight:800;color:#000}.kofi-close-btn{background:none;border:none;font-size:18px;cursor:pointer;color:#64748b}.kofi-messages-area.compact{padding:16px;gap:12px}.kofi-input-area.compact{padding:16px;gap:8px}.animate-slide-up{animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.glass-light{background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}@media(max-width:768px){.kofi-floating-btn{bottom:74px;right:16px;width:44px;height:44px}.kofi-chat-modal{bottom:0;right:0;width:100vw;height:100vh;max-height:100vh;max-width:100vw;border-radius:0;border:none;z-index:2000}.kofi-modal-header{padding:16px;height:60px}.kofi-messages-area.compact{flex:1;padding-bottom:env(safe-area-inset-bottom,20px)}.kofi-input-area.compact{padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom,20px));background:#fff;border-top:1px solid #e2e8f0}}.theme-toggle{background:transparent;border:1px solid var(--border-color);border-radius:8px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;color:var(--text-primary)}.theme-toggle:hover{background:var(--hover-bg);border-color:var(--primary-color)}.theme-toggle svg{transition:transform .3s ease}.theme-toggle:hover svg{transform:rotate(15deg)}.skeleton{background:#eee;background:linear-gradient(110deg,#ececec 8%,#f5f5f5 18%,#ececec 33%);background-size:200% 100%;animation:shine 1.5s linear infinite;border-radius:4px;display:inline-block}.skeleton-circle{border-radius:50%}@keyframes shine{to{background-position-x:-200%}}.stat-card{background:var(--surface);border:1px solid var(--border-color);border-radius:4px;padding:24px;text-align:center;transition:background-color .3s ease,border-color .3s ease}.stat-card h3{font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:12px}.stat-number{font-size:36px;font-weight:600;color:var(--text-primary)}.activity-list{list-style:none;margin-top:16px}.activity-list li{padding:12px 0;border-bottom:1px solid var(--border-color);font-size:14px;color:var(--text-primary)}.activity-list li:last-child{border-bottom:none}.insights-container{margin-top:40px}.section-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:nowrap}.section-header h2{margin:0;font-size:22px;color:var(--text-primary)}.pulse-icon{flex-shrink:0;width:10px;height:10px;background-color:#ef4444;border-radius:50%;box-shadow:0 0 #ef4444b3;animation:pulse 2s infinite;margin-top:2px}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #ef4444b3}70%{transform:scale(1);box-shadow:0 0 0 10px #ef444400}to{transform:scale(.95);box-shadow:0 0 #ef444400}}.insights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-bottom:40px}.insight-card{background:var(--surface);border-radius:16px;padding:24px;box-shadow:0 4px 15px var(--shadow);border:1px solid var(--border-color);transition:transform .2s,box-shadow .2s,background-color .3s ease,border-color .3s ease}.insight-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--shadow)}.insight-card h3{margin:0 0 16px;font-size:16px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}.icon-header{display:flex;align-items:center;gap:8px}.trend-badge{padding:2px 8px;border-radius:9999px;font-size:12px;font-weight:500}.trend-up{background:#dcfce7;color:#166534}.trend-down{background:#fee2e2;color:#991b1b}.trend-badge{display:flex;align-items:center;gap:4px}.sparkles-msg{font-size:14px;color:#059669;text-align:center;padding:20px 0;display:flex;align-items:center;justify-content:center;gap:8px}.risk-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border-color)}.risk-item:last-child{border-bottom:none}.risk-level{width:40px;height:4px;background:var(--border-color);border-radius:2px;overflow:hidden}.risk-fill{height:100%}.performance-table{width:100%;border-collapse:collapse}.performance-table td{padding:8px 0;font-size:14px;color:var(--text-primary)}.rank-up{color:#10b981;font-weight:600}.rank-down{color:#f43f5e;font-weight:600}.compliance-subtext{font-size:14px;color:var(--text-secondary)}.insight-subtext{font-size:13px;color:var(--text-secondary);margin-top:8px}.risk-alert-text{color:#991b1b}.student-risk-info{font-size:14px;color:var(--text-primary)}.student-name{font-weight:500;color:var(--text-primary)}.class-name-subtext{font-size:11px;color:var(--text-secondary)}.no-risk-msg{font-size:14px;color:var(--text-secondary);text-align:center}.admin-dashboard-loading{padding:0}.loading-insights-section{margin-top:40px}.insight-card-loading-label{margin-bottom:15px}.insight-card-loading-value-row{display:flex;align-items:center;gap:15px}.insight-card-loading-detail{margin-top:10px}.compliance-info-loading,.insight-value-row{display:flex;align-items:center;gap:15px}.analytics-container{padding:20px;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a}.analytics-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.summary-card{padding:20px;background:#f9fafb;border-radius:8px;border:1px solid #e5e7eb}.summary-label{font-size:14px;color:#6b7280;margin-bottom:8px}.summary-value{font-size:32px;font-weight:700;margin-bottom:4px}.summary-detail{font-size:12px;color:#9ca3af}.analytics-section{margin-bottom:32px}.analytics-section h3{font-size:18px;font-weight:600;margin-bottom:16px;color:#111827}.custom-tooltip{background:#fff;padding:12px;border:1px solid #e5e7eb;border-radius:6px;box-shadow:0 4px 6px #0000001a}.tooltip-label{font-weight:600;margin-bottom:4px;color:#111827}.tooltip-value,.tooltip-trend{font-size:14px;color:#6b7280;margin:2px 0}.tooltip-core{font-size:12px;color:#3b82f6;font-weight:500;margin-top:4px}.correlation-card{padding:20px;background:#f0f9ff;border-radius:8px;border:1px solid #bfdbfe}.correlation-message{font-size:16px;color:#1e40af;margin-bottom:16px;font-weight:500}.correlation-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}.stat{display:flex;flex-direction:column;gap:4px}.stat-label{font-size:12px;color:#6b7280}.stat-value{font-size:20px;font-weight:600;color:#111827}.stat-value.impact{color:#10b981}.risk-card{padding:20px;background:#fef2f2;border-radius:8px;border-left:4px solid}.risk-level{display:flex;align-items:center;gap:12px;margin-bottom:16px}.risk-badge{padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;color:#fff}.risk-score{font-size:14px;color:#6b7280}.risk-recommendations h4{font-size:14px;font-weight:600;margin-bottom:8px;color:#111827}.risk-recommendations ul{list-style:none;padding:0;margin:0}.risk-recommendations li{padding:8px 0;color:#374151;font-size:14px;border-bottom:1px solid #fee2e2}.risk-recommendations li:last-child{border-bottom:none}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.subject-card{padding:16px;background:#f9fafb;border-radius:8px;border:1px solid #e5e7eb;transition:transform .2s,box-shadow .2s}.subject-card:hover{transform:translateY(-2px);box-shadow:0 4px 6px #0000001a}.subject-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.subject-name{font-weight:600;color:#111827;font-size:14px}.core-badge{padding:2px 8px;background:#dbeafe;color:#1e40af;border-radius:10px;font-size:10px;font-weight:600}.subject-average{font-size:28px;font-weight:700;margin-bottom:8px}.subject-details{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.subject-trend{font-size:12px;color:#6b7280}.subject-count{font-size:12px;color:#9ca3af}.subject-confidence{font-size:11px;color:#9ca3af;text-transform:capitalize}@media(max-width:768px){.analytics-container{padding:12px}.analytics-summary{grid-template-columns:1fr;gap:12px}.summary-card{padding:15px}.subject-grid,.correlation-stats{grid-template-columns:1fr;gap:12px}.summary-value{font-size:24px}.chart-section{margin-left:-5px;margin-right:-5px}}.analytics-loading{display:flex;justify-content:center;align-items:center;padding:60px 20px;color:#6b7280}.analytics-error{padding:20px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#991b1b;text-align:center}.analytics-empty{padding:60px 20px;text-align:center;color:#6b7280}.analytics-empty-icon{font-size:48px;margin-bottom:16px}.analytics-empty-text{font-size:16px;margin-bottom:8px}.analytics-empty-subtext{font-size:14px;color:#9ca3af}.analytics-modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:2000;padding:20px}@media(max-width:768px){.analytics-modal-overlay{padding:0}}.analytics-modal{background:var(--surface);border-radius:12px;width:100%;max-width:1200px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 25px -5px var(--shadow),0 10px 10px -5px var(--shadow);transition:background-color .3s ease}.analytics-modal-header{display:flex;justify-content:space-between;align-items:flex-start;padding:24px;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:10;background:var(--surface);transition:background-color .3s ease,border-color .3s ease}.analytics-modal-header h2{margin:0 0 12px;font-size:24px;color:var(--text-primary)}.term-selector{padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;background:var(--surface);color:var(--text-primary);cursor:pointer;min-width:200px;transition:border-color .3s ease,background-color .3s ease}.term-selector:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.close-button{background:none;border:none;font-size:32px;color:var(--text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background-color .2s,color .2s}.close-button:hover{background-color:var(--surface-hover);color:var(--text-primary)}.analytics-modal-content{flex:1;overflow-y:auto;padding:24px}.analytics-loading{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;color:var(--text-secondary)}.spinner{width:40px;height:40px;border:4px solid #e5e7eb;border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}.analytics-loading p{font-size:16px}.analytics-error{padding:40px 20px;text-align:center}.analytics-error p{color:#991b1b;font-size:16px;margin-bottom:16px}.retry-button{padding:10px 20px;background:#3b82f6;color:#fff;border:none;border-radius:6px;font-size:14px;cursor:pointer;transition:background-color .2s}.retry-button:hover{background:#2563eb}.analytics-empty{padding:60px 20px;text-align:center;color:var(--text-secondary)}.analytics-empty-icon{font-size:64px;margin-bottom:16px;opacity:.5}.analytics-empty-text{font-size:18px;font-weight:500;margin-bottom:8px;color:var(--text-primary)}.analytics-empty-subtext{font-size:14px;color:var(--text-muted)}@media(max-width:768px){.analytics-modal{max-width:100%;height:100dvh;max-height:100dvh;border-radius:0;display:flex;flex-direction:column}.analytics-modal-header{padding:16px;padding-top:calc(12px + env(safe-area-inset-top));flex-direction:column;gap:8px;position:relative;z-index:10;background:var(--surface);border-bottom:1px solid var(--border-color);flex-shrink:0}.analytics-modal-header h2{font-size:18px;margin-bottom:8px;padding-right:32px}.term-selector{width:100%;min-width:unset}.analytics-modal-content{flex:1;overflow-y:auto;padding:12px;-webkit-overflow-scrolling:touch}.close-button{position:absolute;top:calc(12px + env(safe-area-inset-top));right:12px;background:var(--primary-color);color:var(--background);width:28px;height:28px;font-size:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:20}.close-button:hover{background:var(--text-primary);color:var(--background)}}.table-skeleton-container{padding:20px 0}.table-skeleton-header{display:flex;gap:10px;margin-bottom:20px}.table-skeleton-table{width:100%;border-collapse:collapse}.table-skeleton-th{padding:12px;text-align:left;border-bottom:2px solid #eee}.table-skeleton-td{padding:12px;border-bottom:1px solid #f0f0f0}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.report-stat-card{background:var(--surface);border:1px solid var(--border-color);border-radius:8px;padding:16px;text-align:left;transition:transform .2s,box-shadow .2s,background-color .3s ease,border-color .3s ease}.report-stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}.report-stat-card h3{margin:0;font-size:14px;color:var(--text-secondary);font-weight:500}.report-stat-card .stat-number{margin:8px 0 0;font-size:24px;font-weight:600;color:var(--text-primary)}.report-stat-card.read{border-left:4px solid #28a745}.report-stat-card.unread{border-left:4px solid #ffc107}.report-stat-card.rate{border-left:4px solid #007bff}.report-filter-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:16px}.filter-group{display:flex;gap:12px;flex-wrap:wrap}.search-wrapper input{padding:8px 12px;border-radius:6px;border:1px solid var(--border-color);font-size:14px;width:240px;transition:border-color .2s,background-color .3s ease;background:var(--surface);color:var(--text-primary)}.search-wrapper input:focus{border-color:var(--primary-color);outline:none}.period-select{padding:8px 12px;border-radius:6px;border:1px solid var(--border-color);font-size:14px;background-color:var(--surface);color:var(--text-primary);min-width:180px;cursor:pointer;transition:border-color .3s ease,background-color .3s ease}.period-select:focus{border-color:var(--primary-color);outline:none}.unread-row{border-left:3px solid #ffc107!important;background-color:#ffc10705}.read-row{border-left:3px solid transparent!important}@media(max-width:768px){.stat-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}.report-stat-card{padding:12px}.report-stat-card .stat-number{font-size:20px}.search-wrapper input,.period-select,.filter-group{width:100%}}.analytics-loading-chart{margin-top:20px}.analytics-loading-header{display:flex;gap:10px;margin-bottom:20px}.sba-compliance{padding:20px}.sba-compliance h2{margin-bottom:20px}.card h4{margin-top:15px;margin-bottom:10px}.loading{text-align:center;padding:40px;font-size:18px;color:var(--text-secondary)}.countdown-card.warning{border-left:4px solid #dc3545}.countdown-content{margin-bottom:20px}.days-remaining{font-size:32px;font-weight:700;margin-bottom:10px}.days-number{display:inline-block;padding:10px 20px;background:#fff3;border-radius:8px}.end-date{font-size:14px;opacity:.9}.progress-section{margin:20px 0}.progress-bar{width:100%;height:24px;background:#fff3;border-radius:12px;overflow:hidden;margin:10px 0}.progress-fill{height:100%;transition:width .3s ease}.progress-fill.success{background:#28a745}.progress-fill.warning{background:#ffc107}.progress-fill.danger{background:#dc3545}.progress-text{font-size:16px;font-weight:500}.pending-section{margin:20px 0}.pending-list{list-style:none;padding:0;margin:10px 0}.pending-list li{padding:5px 0}.more-text{font-style:italic;opacity:.8}.btn-primary{background-color:#ffffffe6;color:#667eea}.btn-primary:hover:not(:disabled){background-color:#fff}.gap-high{color:#dc3545;font-weight:600}.gap-low{color:#fd7e14;font-weight:600}.gap-normal{color:#28a745;font-weight:600}.badge-danger{background-color:#f8d7da;color:#721c24}.badge-secondary{background-color:#e2e3e5;color:#383d41}.teacher-compliance-dashboard{padding:1.5rem;max-width:1400px;margin:0 auto}.header-section{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.header-section 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 rgba(59,130,246,.2)}.subject-teacher{background-color:#6b72801a;color:#6b7280;border:1px solid rgba(107,114,128,.2)}.small-text{font-size:.8rem;color:var(--text-secondary)}.rank-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;font-weight:800;font-size:1.1rem;box-shadow:0 2px 4px #0000001a}.assessment-type{font-size:.8rem;color:var(--text-secondary);margin-top:.25rem;text-transform:capitalize}.text-danger{color:var(--danger-color, #ef4444);font-weight:600}.progress-mini{height:6px;background-color:var(--bg-secondary);border-radius:3px;margin:.5rem 0;overflow:hidden;width:100px}.progress-bar-mini{height:100%;background-color:var(--primary-color);border-radius:3px;transition:width .3s ease}.loading-state{display:flex;justify-content:center;align-items:center;min-height:400px;font-size:1.2rem;color:var(--text-secondary);font-weight:500}.grade-management{padding:20px;max-width:1400px;margin:0 auto}.page-header{margin-bottom:30px}.page-header h1{font-size:28px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.page-header p{color:var(--text-secondary);font-size:14px}.alert{padding:12px 16px;border-radius:8px;margin-bottom:20px;display:flex;align-items:center;gap:10px}.alert-error{background-color:#fee;color:#c33;border:1px solid #fcc}.alert-success{background-color:#efe;color:#3c3;border:1px solid #cfc}.alert-icon{font-size:18px}.filters-section{background:var(--surface);border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 1px 3px var(--shadow);transition:background-color .3s ease}.filters-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:16px}.filter-group{display:flex;flex-direction:column;gap:6px}.filter-group label{font-size:13px;font-weight:500;color:var(--text-secondary)}.filter-group select,.filter-group input{padding:10px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;transition:border-color .2s;background:var(--surface);color:var(--text-primary)}.filter-group select:focus,.filter-group input:focus{outline:none;border-color:#4caf50}.filter-group select:disabled{background-color:var(--surface-hover);color:var(--text-muted);cursor:not-allowed}.filter-actions{display:flex;gap:10px;align-items:flex-end}.btn-primary,.btn-secondary{padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:none}.btn-primary{background-color:#4caf50;color:#fff}.btn-primary:hover{background-color:#45a049}.btn-secondary{background-color:var(--surface-hover);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--hover-bg)}.results-info{font-size:13px;color:var(--text-secondary);padding-top:12px;border-top:1px solid var(--border-color)}.loading-state,.empty-state{text-align:center;padding:60px 20px;background:var(--surface);border-radius:12px;box-shadow:0 1px 3px var(--shadow);transition:background-color .3s ease}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #4CAF50;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}.empty-state p{color:var(--text-secondary);margin-bottom:8px}.empty-state-hint{font-size:13px;color:var(--text-muted)}.grades-table-container{background:var(--surface);border-radius:12px;box-shadow:0 1px 3px var(--shadow);overflow-x:auto;overflow-y:visible;margin-bottom:20px;transition:background-color .3s ease}.grades-table{width:100%;min-width:900px;border-collapse:collapse}.grades-table thead{background-color:var(--surface-hover)}.grades-table th{padding:14px 16px;text-align:left;font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border-color);transition:background-color .3s ease,color .3s ease,border-color .3s ease}.grades-table tbody tr{border-bottom:1px solid var(--border-color);transition:background-color .2s}.grades-table tbody tr:hover{background-color:var(--surface-hover)}.grades-table td{padding:14px 16px;font-size:14px;color:var(--text-primary)}.grade-value{display:inline-block;padding:4px 12px;border-radius:12px;font-weight:600;font-size:13px}.grade-excellent{background-color:#d4edda;color:#155724}.grade-good{background-color:#d1ecf1;color:#0c5460}.grade-average{background-color:#fff3cd;color:#856404}.grade-below-average{background-color:#f8d7da;color:#721c24}.grade-poor{background-color:#f5c6cb;color:#721c24}.grade-descriptive{background-color:#e3f2fd;color:#1565c0}.assessment-name{font-size:13px;color:var(--text-secondary);font-style:italic}.grade-select{width:140px;padding:6px 10px;border:2px solid #4CAF50;border-radius:6px;font-size:14px;font-weight:600}.grade-input{width:80px;padding:6px 10px;border:2px solid #4CAF50;border-radius:6px;font-size:14px;font-weight:600}.action-buttons{display:flex;gap:8px}.btn-edit,.btn-delete,.btn-save,.btn-cancel{padding:4px 8px;border:none;border-radius:4px;cursor:pointer;font-size:13px;transition:all .2s}.btn-edit{background-color:#e3f2fd;color:#1976d2}.btn-edit:hover{background-color:#bbdefb}.btn-delete{background-color:#ffebee;color:#c62828}.btn-delete:hover{background-color:#ffcdd2}.btn-save{background-color:#4caf50;color:#fff;font-weight:700}.btn-save:hover{background-color:#45a049}.btn-cancel{background-color:var(--surface-hover);color:var(--text-secondary)}.btn-cancel:hover{background-color:var(--hover-bg)}.pagination{display:flex;justify-content:center;align-items:center;gap:16px;padding:20px;background:var(--surface);border-radius:12px;box-shadow:0 1px 3px var(--shadow);transition:background-color .3s ease}.btn-pagination{padding:8px 16px;border:1px solid var(--border-color);background:var(--surface);border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s;color:var(--text-primary)}.btn-pagination:hover:not(:disabled){background-color:var(--surface-hover);border-color:#4caf50}.btn-pagination:disabled{opacity:.5;cursor:not-allowed}.pagination-info{font-size:14px;color:var(--text-secondary)}@media(max-width:768px){.grade-management{padding:12px}.page-header h1{font-size:22px}.filters-grid{grid-template-columns:1fr}.filter-actions{grid-column:1}.grades-table-container{overflow-x:auto}.grades-table{min-width:800px}.grades-table th,.grades-table td{padding:10px 12px;font-size:13px}}.max-score-display{cursor:pointer;padding:4px 8px;border-radius:4px;transition:background-color .2s;font-weight:600;color:#1976d2}.max-score-display:hover{background-color:#e3f2fd}.max-score-na{color:var(--text-muted);font-style:italic}.max-score-edit{display:flex;align-items:center;gap:4px}.max-score-edit span{font-weight:600;color:var(--text-secondary)}.max-score-input{width:60px;padding:4px 8px;border:2px solid #4CAF50;border-radius:4px;font-size:14px;font-weight:600}.btn-save-inline,.btn-cancel-inline{padding:4px 8px;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s}.btn-save-inline{background-color:#4caf50;color:#fff;font-weight:700}.btn-save-inline:hover{background-color:#45a049}.btn-cancel-inline{background-color:#f5f5f5;color:#666}.btn-cancel-inline:hover{background-color:#e0e0e0}.view-mode-toggle{display:flex;gap:12px;margin-bottom:20px;background:var(--surface);padding:16px;border-radius:12px;box-shadow:0 1px 3px var(--shadow);transition:background-color .3s ease}.toggle-btn{flex:1;padding:12px 20px;border:2px solid var(--border-color);background:var(--surface);border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;color:var(--text-secondary)}.toggle-btn:hover{border-color:#4caf50;background-color:var(--surface-hover)}.toggle-btn.active{border-color:#4caf50;background-color:#4caf50;color:#fff}.assessments-table-container{background:var(--surface);border-radius:12px;box-shadow:0 1px 3px var(--shadow);overflow-x:auto;margin-bottom:20px;transition:background-color .3s ease}.assessments-table{width:100%;min-width:800px;border-collapse:collapse}.assessments-table thead{background-color:var(--surface-hover)}.assessments-table th{padding:14px 16px;text-align:left;font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border-color);transition:background-color .3s ease,color .3s ease,border-color .3s ease}.assessments-table tbody tr{border-bottom:1px solid var(--border-color);transition:background-color .2s}.assessments-table tbody tr:hover{background-color:var(--surface-hover)}.assessments-table td{padding:14px 16px;font-size:14px;color:var(--text-primary)}.assessment-title{font-weight:600;color:var(--text-primary)}.assessment-type-badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;background-color:#e3f2fd;color:#1976d2;text-transform:capitalize}.max-score-display-large{display:flex;align-items:center;gap:12px}.max-score-value{font-size:20px;font-weight:700;color:#1976d2}.btn-edit-small{padding:6px 12px;border:1px solid #1976d2;background:var(--surface);color:#1976d2;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s}.btn-edit-small:hover{background-color:#e3f2fd}.max-score-edit-large{display:flex;align-items:center;gap:8px}.max-score-label{font-weight:600;color:#666}.max-score-input-large{width:80px;padding:8px 12px;border:2px solid #4CAF50;border-radius:6px;font-size:16px;font-weight:600}.info-text{font-size:12px;color:var(--text-muted);font-style:italic}@media(max-width:768px){.view-mode-toggle{flex-direction:column}.toggle-btn{width:100%}.assessments-table-container{overflow-x:auto}.max-score-display-large{flex-direction:column;align-items:flex-start;gap:8px}.max-score-edit-large{flex-wrap:wrap}}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}@media(max-width:768px){.dashboard-grid{grid-template-columns:repeat(2,1fr);gap:12px}.stat-card{padding:16px 8px}.stat-number{font-size:24px}.stat-card h3{font-size:11px;margin-bottom:8px}}.teacher-dashboard-loading{padding:0}.loading-title{margin-bottom:24px}.stat-card-loading-label{margin-bottom:10px}.card-mt-24{margin-top:24px}.skeleton-mb-20{margin-bottom:20px}.mobile-table-wrapper{width:100%;max-width:100%;margin-top:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;touch-action:manipulation}.mobile-optimized-table{width:100%;border-collapse:collapse;background:var(--surface);table-layout:fixed;transition:background-color .3s ease}.mobile-optimized-table thead{background:var(--surface-hover);transition:background-color .3s ease}.mobile-optimized-table th{padding:12px 8px;text-align:left;font-weight:600;font-size:14px;color:var(--text-primary);border-bottom:2px solid var(--border-color);white-space:nowrap;transition:color .3s ease,border-color .3s ease}.mobile-optimized-table td{padding:12px 8px;border-bottom:1px solid var(--border-color);vertical-align:middle;color:var(--text-primary);transition:border-color .3s ease}.mobile-optimized-table tbody tr:hover{background:var(--surface-hover)}.student-cell{font-weight:500;color:var(--text-primary);font-size:15px;word-break:break-word}.status-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none}.status-toggle input[type=checkbox]{width:18px;height:18px;cursor:pointer;flex-shrink:0}.status-toggle span{font-size:13px;font-weight:600;padding:4px 10px;border-radius:12px;white-space:nowrap}.status-toggle span.present{background:#d4edda;color:#155724}.status-toggle span.absent{background:#f8d7da;color:#721c24}.score-input-wrapper{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.mobile-input{width:100%;max-width:100px;padding:8px;border:1px solid var(--border-color);border-radius:4px;font-size:16px;box-sizing:border-box;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.mobile-input[type=number]{-moz-appearance:textfield;appearance:textfield}.mobile-input[type=number]::-webkit-outer-spin-button,.mobile-input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.mobile-input:focus{outline:none;border-color:var(--primary-color)}.mobile-select{width:100%;max-width:140px;padding:8px;border:1px solid var(--border-color);border-radius:4px;font-size:16px;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.mobile-select:focus{outline:none;border-color:var(--primary-color)}.error-text{font-size:11px;color:#dc3545;white-space:nowrap}.attendance-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}.attendance-form-grid input[type=date]{width:100%;max-width:100%}@media(max-width:768px){.attendance-form-grid{grid-template-columns:1fr;gap:12px}.attendance-form-grid input[type=date]{max-width:180px;font-size:16px}.mobile-optimized-table th:first-child,.mobile-optimized-table td:first-child{width:65%}.mobile-optimized-table th:last-child,.mobile-optimized-table td:last-child{width:35%;text-align:center}.mobile-optimized-table th{padding:10px 8px;font-size:13px;white-space:normal}.mobile-optimized-table td{padding:10px 8px}.student-cell{font-size:14px;line-height:1.4}.status-toggle{justify-content:flex-end}.status-toggle span{font-size:12px;padding:3px 8px}.mobile-input,.mobile-select{width:100%!important;max-width:none!important;font-size:16px;padding:10px 8px;text-align:center}}@media(max-width:480px){.mobile-optimized-table th,.mobile-optimized-table td{padding:8px 6px}.mobile-optimized-table th:first-child,.mobile-optimized-table td:first-child{width:60%}.mobile-optimized-table th:last-child,.mobile-optimized-table td:last-child{width:40%}.student-cell{font-size:13px}.mobile-input,.mobile-select{font-size:15px;padding:8px 6px;width:100%!important;max-width:none!important}}.assessment-pill{display:inline-flex;align-items:center;padding:6px 12px;background:#f0f2f5;color:#1a202c;border-radius:9999px;font-size:13px;font-weight:600;border:1px solid #e2e8f0;white-space:nowrap}@keyframes pulse-voice{0%{transform:scale(1);box-shadow:0 0 #ef4444b3}70%{transform:scale(1.05);box-shadow:0 0 0 10px #ef444400}to{transform:scale(1);box-shadow:0 0 #ef444400}}.pulse-voice{animation:pulse-voice 2s infinite}.dot-pulse{display:inline-block;width:8px;height:8px;background-color:#ef4444;border-radius:50%;margin-right:5px;animation:dot-pulse 1.5s infinite ease-in-out}@keyframes dot-pulse{0%{transform:scale(.8);opacity:.5}50%{transform:scale(1.2);opacity:1}to{transform:scale(.8);opacity:.5}}.voice-target-highlight{outline:2px solid #f59e0b!important;box-shadow:0 0 0 3px #f59e0b40;transition:box-shadow .2s ease,outline-color .2s ease;position:relative;z-index:2}.flash-save-container{position:sticky;bottom:calc(10px + env(safe-area-inset-bottom,0px))}@media(max-height:500px){.flash-save-container{position:static;margin-top:20px}}.voice-toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#000000d9;color:#fff;padding:10px 24px;border-radius:24px;font-size:15px;font-weight:600;z-index:9999;box-shadow:0 4px 12px #0000004d;animation:voice-toast-in .2s ease-out;white-space:nowrap;pointer-events:none}@keyframes voice-toast-in{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.missing-grades-page{padding:20px;max-width:1400px;margin:0 auto}.page-header{margin-bottom:24px}.page-header h2{margin:0 0 8px;color:var(--text-primary)}.page-header p{margin:0;color:var(--text-secondary);font-size:14px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border-color);border-radius:8px;padding:20px;text-align:center;transition:background-color .3s ease,border-color .3s ease}.stat-card.highlight{background:#fff3e0;border-color:#ff9800}.stat-value{font-size:32px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.stat-card.highlight .stat-value{color:#ff9800}.stat-label{font-size:13px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.filters-section{background:var(--surface);border:1px solid var(--border-color);border-radius:8px;padding:20px;margin-bottom:24px;display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;transition:background-color .3s ease,border-color .3s ease}.filters-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;flex:1}.filter-group label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.filter-group select{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:14px;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.missing-grades-list{display:flex;flex-direction:column;gap:24px}.class-subject-group{background:var(--surface);border:1px solid var(--border-color);border-radius:8px;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;max-width:100%;transition:background-color .3s ease,border-color .3s ease}.group-header{background:var(--surface-hover);padding:16px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease}.group-title{display:flex;align-items:center;gap:12px}.group-title h3{margin:0;font-size:18px;color:var(--text-primary)}.subject-badge{background:#7c4dff;color:#fff;padding:4px 12px;border-radius:12px;font-size:13px;font-weight:600}.group-stats{display:flex;gap:12px}.missing-badge{background:#ff9800;color:#fff;padding:6px 14px;border-radius:16px;font-size:13px;font-weight:600}.assessments-table{width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.assessments-table table{width:100%;min-width:650px;border-collapse:collapse}.assessments-table thead{background:var(--surface-hover)}.assessments-table th{padding:12px 16px;text-align:left;font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border-color);transition:background-color .3s ease,color .3s ease,border-color .3s ease}.assessments-table td{padding:14px 16px;border-bottom:1px solid var(--border-color);font-size:14px;color:var(--text-primary)}.assessments-table tr:hover{background:var(--surface-hover)}.assessments-table tr.completed{opacity:.6}.max-score{color:var(--text-muted);font-size:13px}.type-badge{background:#e3f2fd;color:#1976d2;padding:3px 10px;border-radius:10px;font-size:12px;font-weight:600;text-transform:uppercase}.missing-count{display:inline-block;background:#ffebee;color:#c62828;padding:4px 12px;border-radius:12px;font-weight:600;font-size:13px}.missing-count.zero{background:#e8f5e9;color:#2e7d32}.completion-bar{position:relative;width:100%;height:24px;background:#f0f0f0;border-radius:12px;overflow:hidden}.completion-fill{position:absolute;left:0;top:0;height:100%;background:linear-gradient(90deg,#4caf50,#66bb6a);transition:width .3s ease}.completion-text{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:11px;font-weight:700;color:var(--text-primary);z-index:1}.btn-fill{background:#7c4dff;color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}.btn-fill:hover:not(:disabled){background:#651fff;transform:translateY(-1px);box-shadow:0 2px 8px #7c4dff4d}.btn-fill:disabled{background:#e0e0e0;color:#999;cursor:not-allowed}.btn-secondary{background:var(--surface);color:var(--text-secondary);border:1px solid var(--border-color);padding:8px 16px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:var(--surface-hover);border-color:var(--text-muted)}.empty-state{background:var(--surface);border:1px solid var(--border-color);border-radius:8px;padding:60px 20px;text-align:center;transition:background-color .3s ease,border-color .3s ease}.empty-icon{font-size:64px;margin-bottom:16px}.empty-state h3{margin:0 0 8px;color:var(--text-primary);font-size:24px}.empty-state p{margin:0;color:var(--text-secondary);font-size:14px}.loading-state,.error-state{background:var(--surface);border:1px solid var(--border-color);border-radius:8px;padding:60px 20px;text-align:center;transition:background-color .3s ease,border-color .3s ease}.spinner{width:40px;height:40px;border:4px solid #f0f0f0;border-top-color:#7c4dff;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.missing-grades-page{padding:12px}.stats-grid{grid-template-columns:1fr}.filters-section{flex-direction:column;align-items:stretch}.filters-grid{grid-template-columns:1fr}.group-header{flex-direction:column;align-items:flex-start;gap:12px}.group-title{flex-direction:column;align-items:flex-start;gap:8px}.assessments-table{font-size:12px}.assessments-table th,.assessments-table td{padding:8px}.btn-fill{padding:6px 12px;font-size:12px}}.sba-finalizer{padding:20px 20px 80px}.sba-finalizer h2{margin-bottom:20px}.card{background:var(--surface);border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px var(--shadow);transition:background-color .3s ease}.card h3{margin-top:0;margin-bottom:15px}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:500}.form-control{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:14px;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.form-control:disabled{background-color:var(--surface-hover);cursor:not-allowed;color:var(--text-muted)}.assessment-count{margin-top:15px;padding:10px;background-color:var(--surface-hover);border-radius:4px;transition:background-color .3s ease}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge-success{background-color:#d4edda;color:#155724}.badge-warning{background-color:#fff3cd;color:#856404}.badge-primary{background-color:#cce5ff;color:#004085}.radio-group{display:flex;flex-direction:column;gap:10px}.radio-group label{display:flex;align-items:center;gap:8px;cursor:pointer}.radio-group input[type=radio]{cursor:pointer}.inline-input{width:60px;padding:4px 8px;border:1px solid var(--border-color);border-radius:4px;margin:0 8px;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.weights-section{margin-top:15px;padding:15px;background-color:var(--surface-hover);border-radius:4px;transition:background-color .3s ease}.weights-section h4{margin-top:0;margin-bottom:10px}.weight-inputs{display:flex;flex-direction:column;gap:10px}.weight-inputs label{display:flex;align-items:center;gap:10px}.weight-input{width:80px;padding:4px 8px;border:1px solid var(--border-color);border-radius:4px;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.lift-card{background:var(--surface);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.lift-card h3{color:var(--text-primary)}.lift-card .lift-metrics p{margin:10px 0;color:var(--text-primary)}.lift-card .lift-metrics strong{color:var(--text-primary)}.lift-value{font-size:18px;margin-top:15px!important}.lift-card .lift-value .positive{color:#28a745}.lift-card .lift-value .negative{color:#dc3545}.action-buttons{display:flex;gap:10px;margin-bottom:20px;margin-top:20px}.btn{padding:10px 20px;border:none;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background-color:#007bff;color:#fff}.btn-primary:hover:not(:disabled){background-color:#0056b3}.btn-secondary{background-color:var(--text-secondary);color:var(--background)}.btn-secondary:hover:not(:disabled){background-color:var(--text-muted)}.btn-success{background-color:#28a745;color:#fff}.btn-success:hover:not(:disabled){background-color:#218838}.table-container{overflow-x:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:12px;text-align:left;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.data-table th{background-color:var(--surface-hover);font-weight:600;transition:background-color .3s ease}.data-table tbody tr:hover{background-color:var(--surface-hover)}.alert{padding:12px 16px;border-radius:4px;margin-bottom:20px}.alert-error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert-success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.knowledge-graph-container{padding:20px;animation:fadeIn .4s ease-out}.kg-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;gap:20px}.kg-header h2{margin:0;font-size:24px;color:var(--text-primary)}.kg-filters{display:flex;gap:15px}.filter-group{display:flex;flex-direction:column;gap:4px}.filter-group label{font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.filter-group select{padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;min-width:150px;background-color:var(--surface);color:var(--text-primary);cursor:pointer;transition:border-color .2s,background-color .3s ease}.filter-group select:focus{outline:none;border-color:#3f51b5}.kg-tabs{display:flex;gap:10px;margin-bottom:25px;border-bottom:1px solid #eee;padding-bottom:10px}.kg-tabs button{padding:10px 20px;border:none;background:none;font-size:15px;font-weight:500;color:var(--text-secondary);cursor:pointer;border-radius:8px;transition:all .2s;display:flex;align-items:center;gap:8px}.kg-tabs button:hover{background-color:var(--surface-hover);color:var(--text-primary)}.kg-tabs button.active{background-color:#3f51b5;color:#fff;box-shadow:0 4px 12px #3f51b533}.kg-content{margin-top:20px}.subtitle{font-size:14px;color:var(--text-secondary);margin-top:-10px;margin-bottom:20px}.heatmap-scroll{overflow-x:auto;border-radius:8px;border:1px solid var(--border-color);transition:border-color .3s ease}.heatmap-table{width:100%;border-collapse:collapse}.heatmap-table th,.heatmap-table td{padding:15px;text-align:left;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.heatmap-table th{background-color:var(--surface-hover);color:var(--text-secondary);font-weight:600;font-size:13px;text-transform:uppercase;transition:background-color .3s ease,color .3s ease}.sticky-col{position:sticky;left:0;background-color:var(--surface);z-index:10;box-shadow:2px 0 5px var(--shadow);transition:background-color .3s ease}.heatmap-table tr:hover td.sticky-col{background-color:var(--surface-hover)}.font-medium{font-weight:500}.text-small{font-size:12px;color:var(--text-muted)}.empty-state{padding:60px;text-align:center;color:var(--text-muted)}.card-header-with-action{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.topics-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px}.topic-node-card{background:var(--surface);border:1px solid var(--border-color);border-radius:12px;padding:16px;transition:all .2s;display:flex;flex-direction:column;gap:8px}.topic-node-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px #0000000f;border-color:#3f51b5}.topic-node-header{display:flex;justify-content:space-between;align-items:center}.topic-node-header h5{margin:0;font-size:16px;color:var(--text-primary)}.topic-desc{margin:0;font-size:13px;color:var(--text-secondary);line-height:1.5;flex:1}.topic-meta{margin-top:10px;display:flex;gap:8px}.badge-outline{padding:2px 8px;border:1px solid #3f51b5;color:#3f51b5;border-radius:20px;font-size:10px;font-weight:600}.btn-icon{background:none;border:none;cursor:pointer;font-size:16px;padding:4px;border-radius:4px;transition:background .2s}.btn-icon:hover{background:#eee}.topic-form-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.topic-form-modal{background:var(--surface);padding:30px;border-radius:16px;width:100%;max-width:500px;box-shadow:0 20px 40px var(--shadow);animation:slideUp .3s ease-out;transition:background-color .3s ease}.form-group{margin-bottom:20px;display:flex;flex-direction:column;gap:8px}.form-group label{font-size:13px;font-weight:600;color:var(--text-primary)}.form-group input,.form-group textarea{padding:10px 12px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.form-group textarea{min-height:80px;resize:vertical}.prereq-list{max-height:150px;overflow-y:auto;border:1px solid var(--border-color);padding:10px;border-radius:8px;display:flex;flex-direction:column;gap:8px;background:var(--surface);transition:border-color .3s ease,background-color .3s ease}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:10px}.student-profile-view .card{display:flex;flex-direction:column;gap:30px}.radar-container{background:var(--surface);border:1px solid var(--border-color);border-radius:20px;padding:20px;min-height:400px;display:flex;justify-content:center;align-items:center;box-shadow:inset 0 2px 10px var(--shadow);transition:background-color .3s ease,border-color .3s ease}.student-topics-list h4{margin:0 0 20px;font-size:18px;color:var(--text-primary)}.topics-mini-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:15px}.mini-topic-card{background:var(--surface);border:1px solid var(--border-color);padding:12px 15px;border-radius:12px;display:flex;flex-direction:column;gap:8px;transition:transform .2s,background-color .3s ease,border-color .3s ease}.mini-topic-card:hover{transform:translateY(-2px);border-color:#3f51b5}.mini-topic-card .topic-name{font-size:13px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress-bar-bg{height:6px;background:#f0f0f0;border-radius:10px;overflow:hidden}.progress-bar-fill{height:100%;border-radius:10px;transition:width .6s cubic-bezier(.4,0,.2,1)}.mini-topic-card .topic-pct{font-size:11px;font-weight:700;color:var(--text-secondary);align-self:flex-end}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.kg-header{flex-direction:column;align-items:flex-start}.kg-filters{width:100%}.filter-group{flex:1}.kg-tabs{overflow-x:auto;white-space:nowrap;padding-bottom:12px;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.kg-tabs::-webkit-scrollbar{display:none}.kg-tabs button{flex-shrink:0;padding:8px 16px;font-size:14px}}:root{--primary-color: #000000;--secondary-color: #666666;--background: #ffffff;--surface: #ffffff;--surface-hover: #f5f5f5;--border-color: #e5e5e5;--text-primary: #000000;--text-secondary: #666666;--text-muted: #999999;--hover-bg: #f5f5f5;--shadow: rgba(0, 0, 0, .1)}[data-theme=dark]{--primary-color: #ffffff;--secondary-color: #d1d5db;--background: #000000;--surface: #111111;--surface-hover: #1a1a1a;--border-color: #1f1f1f;--text-primary: #ffffff;--text-secondary: #d1d5db;--text-muted: #9ca3af;--hover-bg: #1a1a1a;--shadow: rgba(255, 255, 255, .1)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;overscroll-behavior:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--background);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}.container{max-width:1400px;margin:0 auto;padding:20px}.card{background:var(--surface);border:1px solid var(--border-color);border-radius:4px;padding:20px;margin-bottom:20px;transition:background-color .3s ease,border-color .3s ease}.btn{padding:10px 20px;background:var(--primary-color);color:var(--background);border:none;border-radius:4px;font-size:14px;transition:opacity .2s;white-space:nowrap}.btn:hover{opacity:.8}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--surface);color:var(--text-primary);border:1px solid var(--border-color);transition:background-color .3s ease,color .3s ease,border-color .3s ease}.btn-secondary:hover{background:var(--surface-hover)}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}table{width:100%;border-collapse:collapse;margin-top:20px;min-width:600px}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--border-color);color:var(--text-primary)}th{font-weight:600;background:var(--surface-hover);color:var(--text-primary);position:sticky;top:0;z-index:10}input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],select,textarea{width:100%;padding:10px;border:1px solid var(--border-color);border-radius:4px;font-size:14px;background:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:#000}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:14px}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100000;padding:10px}.modal{background:var(--surface);border-radius:4px;padding:30px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;z-index:100001;position:relative;color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.modal h2{margin-top:0;margin-bottom:20px;font-size:24px;font-weight:600}.modal .form-group{margin-bottom:20px}.modal .form-group label{display:block;margin-bottom:6px;font-weight:500}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}@media(max-width:768px){html,body{max-width:100vw;overflow:hidden;height:100%;overscroll-behavior:none}.container{padding:10px;max-width:100vw;overflow-x:hidden}.card{padding:15px;border-radius:8px;max-width:100%;overflow-x:hidden}h1{font-size:24px}h2{font-size:20px}h3{font-size:18px}table{font-size:13px}.mobile-optimized-table{min-width:auto}th,td{padding:8px 6px}.btn{padding:8px 16px;font-size:13px}.modal-overlay{align-items:center;padding-top:10px}.modal{padding:20px;width:calc(100% - 20px);max-height:85vh;margin-top:0}.modal-actions{flex-direction:column-reverse}.modal-actions button{width:100%}input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],select,textarea{font-size:16px}[style*=gridTemplateColumns]{grid-template-columns:1fr!important}.hidden-mobile{display:none!important}.visible-mobile{display:block!important}.scrollable-tabs-container{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;margin-bottom:20px;border-bottom:1px solid #e5e5e5}.scrollable-tabs-container::-webkit-scrollbar{display:none}.tab-item{padding:12px 20px;white-space:nowrap;border:none;background:transparent;font-size:14px;color:#666;cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}.tab-item.active{color:#000;font-weight:600;border-bottom-color:#000}}.visible-mobile{display:none}@media(max-width:480px){.container{padding:8px}.card{padding:12px}h1{font-size:20px}h2{font-size:18px}table{font-size:12px}.mobile-optimized-table{min-width:auto}th,td{padding:6px 4px}.btn{padding:8px 12px;font-size:12px}}.scrollable-tabs-container{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;margin-bottom:24px;border-bottom:2px solid #e5e5e5;gap:4px}.scrollable-tabs-container::-webkit-scrollbar{display:none}.tab-item{padding:12px 20px;white-space:nowrap;border:none;background:transparent;font-size:14px;font-weight:500;color:#6b7280;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s;border-radius:8px 8px 0 0;display:flex;align-items:center;gap:8px}.tab-item:hover{color:#111827;background:#f9fafb}.tab-item.active{color:#000;font-weight:600;border-bottom-color:#000;background:transparent}.stat-card{background:var(--surface);border:1px solid var(--border-color);border-radius:4px;padding:20px;text-align:center;transition:background-color .3s ease,border-color .3s ease}.stat-card h3{font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.stat-card .stat-number{font-size:32px;font-weight:600;color:var(--text-primary);margin:0}.validation-error{color:#dc3545;font-size:12px;margin-top:4px}.validation-warning{color:#ffc107;font-size:12px;margin-top:4px}.validation-success{color:#28a745;font-size:12px;margin-top:4px}.input-error{border-color:#dc3545!important}.input-error:focus{border-color:#dc3545!important;box-shadow:0 0 0 2px #dc354526}.info-box{background:#e7f3ff;border:1px solid #b3d7ff;border-radius:4px;padding:12px 16px;margin-bottom:16px;color:#004085;font-size:14px}.info-box.warning{background:#fff3cd;border-color:#ffc107;color:#856404}.info-box.success{background:#d4edda;border-color:#28a745;color:#155724}.info-box.error{background:#f8d7da;border-color:#dc3545;color:#721c24}select:disabled,input:disabled{background-color:#f5f5f5;color:#999;cursor:not-allowed}.btn-danger{background:#dc3545;color:#fff;border:none}.btn-danger:hover{background:#c82333;opacity:1}@media(max-width:768px){.stat-card{padding:15px}.stat-card h3{font-size:12px}.stat-card .stat-number{font-size:24px}}@media(max-width:480px){.stat-card{padding:12px}.stat-card .stat-number{font-size:20px}}.attendance-list{display:flex;flex-direction:column;gap:12px}.attendance-item{background:var(--surface-hover);border:1px solid var(--border-color);border-radius:8px;padding:16px;transition:all .2s}.attendance-item:active{background:var(--hover-bg);transform:scale(.98)}.attendance-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px}.student-name{font-weight:600;font-size:16px;color:var(--text-primary);flex:1}.status-badge{padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;text-transform:uppercase;white-space:nowrap}.status-badge.present{background:#d4edda;color:#155724}.status-badge.absent{background:#f8d7da;color:#721c24}.attendance-checkbox{display:flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none}.attendance-checkbox input[type=checkbox]{width:20px;height:20px;cursor:pointer}.attendance-checkbox span{font-size:14px;color:var(--text-secondary)}@media(max-width:768px){.attendance-item-header{flex-wrap:wrap}.student-name{font-size:15px}.status-badge{font-size:11px;padding:3px 10px}}.grades-list{display:flex;flex-direction:column;gap:12px}.grade-item{background:var(--surface-hover);border:1px solid var(--border-color);border-radius:8px;padding:16px;transition:all .2s}.grade-item:focus-within{border-color:#000;box-shadow:0 0 0 2px #0000001a}.grade-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px}.score-badge{padding:4px 12px;border-radius:12px;font-size:13px;font-weight:600;background:#d4edda;color:#155724;white-space:nowrap}.grade-input-wrapper{display:flex;flex-direction:column;gap:8px}.grade-label{font-size:13px;font-weight:500;color:var(--text-secondary)}.grade-input{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:6px;font-size:16px;transition:border-color .2s;background:var(--surface);color:var(--text-primary)}.grade-input:focus{outline:none;border-color:var(--primary-color)}.grade-select{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:6px;font-size:16px;background:var(--surface);color:var(--text-primary);cursor:pointer}.grade-select:focus{outline:none;border-color:var(--primary-color)}@media(max-width:768px){.grade-item{padding:14px}.grade-input,.grade-select{font-size:16px;padding:14px}.score-badge{font-size:12px}}@media(max-width:768px){.billing-grid{grid-template-columns:repeat(2,1fr)!important}}.spinner-small{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.splash-screen{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:var(--background);display:flex;justify-content:center;align-items:center;z-index:9999;animation:fadeIn .5s ease-out}.splash-content{display:flex;flex-direction:column;align-items:center;gap:24px}.splash-logo{height:80px;width:auto;object-fit:contain;animation:logoPulse 2s ease-in-out infinite}.splash-loader{width:200px;height:4px;background-color:#f3f4f6;border-radius:2px;overflow:hidden;position:relative}.loader-progress{position:absolute;top:0;left:0;height:100%;width:50%;background-color:var(--primary-color);border-radius:2px;animation:loaderSlide 1.5s ease-in-out infinite}.splash-text{font-size:14px;font-weight:500;color:#9ca3af;margin:0;letter-spacing:.05em;text-transform:uppercase}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes logoPulse{0%{transform:scale(1);opacity:.8}50%{transform:scale(1.05);opacity:1}to{transform:scale(1);opacity:.8}}@keyframes loaderSlide{0%{left:-50%}to{left:100%}}.student-count-text{color:var(--text-secondary);font-size:14px;margin:0}.student-filters{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.class-filter-select{padding:8px 12px;border:1px solid var(--border-color);border-radius:4px;fontSize:14px;min-width:150px;background-color:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.student-search-input{padding:8px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:16px;width:200px;background-color:var(--surface);color:var(--text-primary);transition:border-color .3s ease,background-color .3s ease}.class-filter-select:focus,.student-search-input:focus{outline:none;border-color:var(--primary-color)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}*{scrollbar-width:thin;scrollbar-color:var(--border-color) var(--background)}