@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap";
:root{--primary:#0ea5e9;--primary-light:#38bdf8;--primary-dark:#0284c7;--primary-50:#f0f9ff;--primary-100:#e0f2fe;--primary-200:#bae6fd;--primary-500:#0ea5e9;--primary-600:#0284c7;--primary-700:#0369a1;--secondary:#6366f1;--secondary-light:#818cf8;--accent:#14b8a6;--accent-light:#2dd4bf;--bg:#f8fafc;--bg-card:#fff;--bg-sidebar:#fff;--bg-sidebar-hover:#0ea5e90f;--bg-sidebar-active:linear-gradient(135deg, #0ea5e9, #6366f1);--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-sidebar:#475569;--text-sidebar-active:#fff;--text-sidebar-label:#94a3b8;--sidebar-border:#e2e8f0;--sidebar-logo-text:#0f172a;--sidebar-logo-sub:#94a3b8;--sidebar-user-bg:#f1f5f9;--sidebar-user-name:#0f172a;--sidebar-user-role:#64748b;--border:#e2e8f0;--border-light:#f1f5f9;--border-focus:#0ea5e9;--success:#10b981;--success-light:#d1fae5;--warning:#f59e0b;--warning-light:#fef3c7;--danger:#ef4444;--danger-light:#fee2e2;--info:#0ea5e9;--info-light:#e0f2fe;--shadow-sm:0 1px 2px #0000000a;--shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #00000014, 0 8px 10px -6px #0000000a;--shadow-glow:0 0 20px #0ea5e926;--radius-sm:6px;--radius:10px;--radius-md:14px;--radius-lg:18px;--radius-xl:24px;--transition:all .2s cubic-bezier(.4, 0, .2, 1);--transition-slow:all .35s cubic-bezier(.4, 0, .2, 1);--transition-spring:all .4s cubic-bezier(.34, 1.56, .64, 1);--sidebar-width:270px;--sidebar-collapsed:72px;--header-height:68px;--glass-bg:#ffffffb3;--glass-border:#fff3;--header-bg:#ffffffd9;--header-text:#0f172a}[data-theme=dark]{--bg:#0f172a;--bg-card:#1e293b;--bg-sidebar:#0c1222;--bg-sidebar-hover:#ffffff0f;--text:#e2e8f0;--text-secondary:#94a3b8;--text-muted:#64748b;--text-sidebar:#94a3b8;--text-sidebar-label:#475569;--sidebar-border:#ffffff0f;--sidebar-logo-text:#fff;--sidebar-logo-sub:#475569;--sidebar-user-bg:#ffffff0a;--sidebar-user-name:#fff;--sidebar-user-role:#475569;--border:#334155;--border-light:#1e293b;--border-focus:#0ea5e9;--shadow-sm:0 1px 2px #0003;--shadow:0 1px 3px #0000004d;--shadow-md:0 4px 6px #0000004d;--shadow-lg:0 10px 15px #0000004d;--shadow-xl:0 20px 25px #0000004d;--glass-bg:#1e293bcc;--glass-border:#ffffff14;--header-bg:#0f172ad9;--header-text:#e2e8f0;--primary-50:#0c2d48;--success-light:#064e3b;--warning-light:#451a03;--danger-light:#450a0a;--info-light:#0c2d48}[data-theme=dark] .badge-primary{color:#38bdf8;background:#0ea5e926}[data-theme=dark] .badge-success{color:#34d399;background:#10b98126}[data-theme=dark] .badge-warning{color:#fbbf24;background:#f59e0b26}[data-theme=dark] .badge-danger{color:#f87171;background:#ef444426}[data-theme=dark] .badge-info{color:#38bdf8;background:#0ea5e926}[data-theme=dark] .badge-purple{color:#a78bfa;background:#7c3aed26}[data-theme=dark] .data-table th{color:#64748b;background:#1e293b;border-color:#334155}[data-theme=dark] .data-table td{border-color:#334155}[data-theme=dark] .data-table tr:hover td{background:#0ea5e90f}[data-theme=dark] .tab-group{background:#1e293b}[data-theme=dark] .tab-item.active{color:#e2e8f0;background:#334155}[data-theme=dark] .tab-item{color:#64748b}[data-theme=dark] .form-input{color:#e2e8f0;background:#1e293b;border-color:#334155}[data-theme=dark] .form-input::placeholder{color:#64748b}[data-theme=dark] .btn-secondary{color:#e2e8f0;background:#1e293b;border-color:#334155}[data-theme=dark] .btn-secondary:hover:not(:disabled){background:#334155}[data-theme=dark] .btn-ghost{color:#94a3b8}[data-theme=dark] .btn-ghost:hover:not(:disabled){color:#e2e8f0;background:#1e293b}[data-theme=dark] .modal-content{background:#1e293b}[data-theme=dark] .modal-header,[data-theme=dark] .modal-footer{border-color:#334155}[data-theme=dark] .empty-state{color:#64748b}[data-theme=dark] .empty-state h3{color:#e2e8f0}[data-theme=dark] .rich-content code{color:#38bdf8;background:#334155}[data-theme=dark] .rich-content blockquote{background:#0ea5e914}[data-theme=dark] .animate-shimmer{background:linear-gradient(90deg,#1e293b 25%,#334155 50%,#1e293b 75%) 0 0/200% 100%}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#475569}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#64748b}*{box-sizing:border-box;margin:0;padding:0}html,body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:Outfit,Inter,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.card{background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow);border:1px solid var(--border-light);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.card-glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-md)}.badge{letter-spacing:.02em;border-radius:20px;align-items:center;gap:4px;padding:3px 10px;font-size:11px;font-weight:600;line-height:1.5;display:inline-flex}.badge-primary{background:var(--primary-100);color:var(--primary-dark)}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-info{background:var(--info-light);color:var(--info)}.badge-purple{color:#7c3aed;background:#ede9fe}.btn{border-radius:var(--radius);transition:var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:13.5px;font-weight:600;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.btn:after{content:"";opacity:0;transition:var(--transition);background:linear-gradient(#ffffff26,#0000);position:absolute;inset:0}.btn:hover:after{opacity:1}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 14px #0ea5e959}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border-light);border-color:#cbd5e1}.btn-danger{background:linear-gradient(135deg, var(--danger), #dc2626);color:#fff}.btn-danger:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 14px #ef444459}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--text)}.btn-sm{border-radius:8px;padding:6px 14px;font-size:12.5px}.btn-lg{padding:14px 28px;font-size:15px}.btn-icon{border-radius:var(--radius);width:38px;height:38px;padding:0}.form-group{margin-bottom:20px}.form-label{color:var(--text);letter-spacing:.01em;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-input{border:1.5px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);background:var(--bg-card);transition:var(--transition);outline:none;padding:11px 14px;font-size:14px}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #0ea5e91a}.form-input::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:120px}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:38px}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);background:var(--bg);border-bottom:1.5px solid var(--border);padding:12px 16px;font-size:11px;font-weight:700}.data-table td{border-bottom:1px solid var(--border-light);vertical-align:middle;padding:14px 16px;font-size:13.5px}.data-table tr{transition:var(--transition)}.data-table tr:hover td{background:var(--primary-50)}.modal-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;background:#0006;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);width:90%;max-width:560px;max-height:90vh;animation:.35s cubic-bezier(.34,1.56,.64,1) modalSlideUp;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:22px 24px;display:flex}.modal-header h2{font-size:18px;font-weight:700}.modal-body{padding:24px}.modal-footer{border-top:1px solid var(--border-light);justify-content:flex-end;gap:12px;padding:16px 24px;display:flex}.toast-container{z-index:2000;flex-direction:column;gap:8px;display:flex;position:fixed;top:20px;right:20px}.toast{border-radius:var(--radius);box-shadow:var(--shadow-lg);align-items:center;gap:10px;min-width:300px;padding:14px 20px;font-size:14px;font-weight:500;animation:.35s cubic-bezier(.34,1.56,.64,1) slideInRight;display:flex}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}.toast-info{background:var(--info);color:#fff}.progress-bar{background:var(--border);border-radius:4px;width:100%;height:8px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--primary), var(--secondary));border-radius:4px;height:100%;transition:width .8s cubic-bezier(.4,0,.2,1)}.empty-state{text-align:center;color:var(--text-secondary);padding:60px 24px}.empty-state-icon{opacity:.4;margin-bottom:16px;font-size:56px}.empty-state h3{color:var(--text);margin-bottom:8px;font-size:18px;font-weight:700}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(30px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes gradientShift{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.animate-fadeIn{animation:.4s fadeIn}.animate-slideUp{animation:.5s cubic-bezier(.34,1.56,.64,1) slideUp}.animate-shimmer{background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%) 0 0/200% 100%;animation:1.5s infinite shimmer}.animate-pulse{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}.animate-float{animation:3s infinite float}.spinner{border:2.5px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:24px;height:24px;animation:.7s linear infinite spin}.page-loading{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:400px;display:flex}.avatar{object-fit:cover;background:linear-gradient(135deg, var(--primary-100), var(--primary-200));width:40px;height:40px;color:var(--primary-dark);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:15px;font-weight:700;display:flex}.avatar-sm{width:32px;height:32px;font-size:12px}.avatar-lg{width:56px;height:56px;font-size:22px}.avatar-xl{width:80px;height:80px;font-size:32px}.toggle-switch{cursor:pointer;width:44px;height:24px;transition:var(--transition);background:#cbd5e1;border:none;border-radius:12px;padding:0;position:relative}.toggle-switch.active{background:var(--primary)}.toggle-switch:after{content:"";width:20px;height:20px;transition:var(--transition);background:#fff;border-radius:50%;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #00000026}.toggle-switch.active:after{left:22px}.stat-card{border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:var(--transition);padding:24px;position:relative;overflow:hidden}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.rich-content{color:var(--text);line-height:1.8}.rich-content h1{margin:24px 0 12px;font-size:28px;font-weight:800}.rich-content h2{margin:20px 0 10px;font-size:22px;font-weight:700}.rich-content h3{margin:16px 0 8px;font-size:18px;font-weight:600}.rich-content p{margin-bottom:12px}.rich-content ul,.rich-content ol{margin-bottom:12px;padding-left:24px}.rich-content li{margin-bottom:4px}.rich-content code{background:var(--primary-50);color:var(--primary-dark);border-radius:4px;padding:2px 6px;font-size:13px}.rich-content pre{color:#e2e8f0;border-radius:var(--radius);background:#0f172a;margin-bottom:16px;padding:16px;overflow-x:auto}.rich-content blockquote{border-left:4px solid var(--primary);background:var(--primary-50);border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;padding:12px 20px}.rich-content img{border-radius:var(--radius);max-width:100%;margin:12px 0}.rich-content a{color:var(--primary);text-decoration:underline}.rich-content table{border-collapse:collapse;width:100%;margin:16px 0}.rich-content th,.rich-content td{border:1px solid var(--border);text-align:left;padding:8px 12px}.rich-content th{background:var(--bg);font-weight:600}.tab-group{background:#f1f5f9;border-radius:12px;gap:2px;padding:3px;display:flex}.tab-item{color:var(--text-muted);cursor:pointer;transition:var(--transition);text-align:center;background:0 0;border:none;border-radius:10px;flex:1;padding:10px 16px;font-size:13px;font-weight:600}.tab-item.active{color:var(--text);box-shadow:var(--shadow-sm);background:#fff}.doc-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:flex}.doc-icon-file{color:#2563eb;background:#dbeafe}.doc-icon-link{color:#059669;background:#d1fae5}.doc-icon-video{color:#db2777;background:#fce7f3}.theme-toggle{border:1px solid var(--border);cursor:pointer;width:40px;height:40px;transition:var(--transition);background:0 0;border-radius:12px;justify-content:center;align-items:center;font-size:18px;display:flex}.theme-toggle:hover{background:var(--bg)}.quiz-option{border:2px solid var(--border);cursor:pointer;transition:var(--transition);background:var(--bg-card);border-radius:12px;align-items:center;gap:12px;padding:14px 18px;display:flex}.quiz-option:hover{border-color:var(--primary-200);background:var(--primary-50)}.quiz-option.selected{border-color:var(--primary);background:var(--primary-50)}.quiz-option.correct{border-color:var(--success);background:var(--success-light)}.quiz-option.wrong{border-color:var(--danger);background:var(--danger-light)}.cert-card{text-align:center;background:linear-gradient(135deg,#fafafa,#f8fafc);border:2px solid #e2e8f0;border-radius:20px;padding:40px;position:relative;overflow:hidden}.cert-card:before{content:"";background:linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));height:4px;position:absolute;top:0;left:0;right:0}@media (max-width:768px){:root{--sidebar-width:0px}.hide-mobile{display:none!important}.data-table{font-size:12.5px}.data-table th,.data-table td{padding:8px 10px}.modal-content{width:95%}.stat-card{padding:16px}}