@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";
*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base:#0a0b0f;--bg-surface:#111318;--bg-elevated:#191c24;--bg-overlay:#1e2230;--bg-hover:#242840;--border-subtle:#1e2235;--border-default:#252840;--border-accent:#3a3f5c;--text-primary:#e8eaf6;--text-secondary:#8b90a8;--text-muted:#555a75;--text-disabled:#383d55;--accent-primary:#6c63ff;--accent-primary-light:#8b84ff;--accent-primary-dim:#6c63ff26;--accent-primary-glow:#6c63ff4d;--accent-green:#22d3a0;--accent-green-dim:#22d3a01f;--accent-amber:#f59e0b;--accent-amber-dim:#f59e0b1f;--accent-red:#f43f5e;--accent-red-dim:#f43f5e1f;--accent-blue:#38bdf8;--accent-blue-dim:#38bdf81f;--accent-purple:#a78bfa;--accent-purple-dim:#a78bfa1f;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 8px 32px #0009;--shadow-glow:0 0 24px #6c63ff33;--sidebar-width:240px;--header-height:60px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-base:#f8fafc;--bg-surface:#fff;--bg-elevated:#f1f5f9;--bg-overlay:#e2e8f0;--bg-hover:#f1f5f9;--border-subtle:#e2e8f0;--border-default:#cbd5e1;--border-accent:#94a3b8;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--text-disabled:#94a3b8;--accent-primary-dim:#6c63ff1a;--accent-primary-glow:#6c63ff26;--accent-green-dim:#22d3a01a;--accent-amber-dim:#f59e0b1a;--accent-red-dim:#f43f5e1a;--accent-blue-dim:#38bdf81a;--accent-purple-dim:#a78bfa1a;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-glow:0 0 24px #6c63ff26}html,body{height:100%;color:var(--text-primary);background:var(--bg-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-accent);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-layout{height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-surface);border-right:1px solid var(--border-subtle);flex-direction:column;flex-shrink:0;display:flex;overflow-y:auto}.sidebar-logo{border-bottom:1px solid var(--border-subtle);align-items:center;gap:10px;padding:20px 16px;display:flex}.sidebar-logo-icon{background:linear-gradient(135deg, var(--accent-primary), #8b5cf6);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:flex;box-shadow:0 0 16px #6c63ff66}.sidebar-logo-text{flex-direction:column;display:flex}.sidebar-logo-title{color:var(--text-primary);letter-spacing:-.02em;font-size:13px;font-weight:700;line-height:1.2}.sidebar-logo-sub{color:var(--text-muted);letter-spacing:.05em;text-transform:uppercase;font-size:10px}.sidebar-nav{flex:1;padding:12px 8px}.sidebar-section-label{color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;padding:12px 10px 6px;font-size:10px;font-weight:600}.nav-item{border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast);color:var(--text-secondary);text-align:left;white-space:nowrap;background:0 0;border:none;align-items:center;gap:10px;width:100%;margin-bottom:2px;padding:8px 10px;font-size:13px;font-weight:500;text-decoration:none;display:flex}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-primary-dim);color:var(--accent-primary-light)}.nav-item .nav-icon{flex-shrink:0;width:16px;height:16px}.nav-item .nav-badge{background:var(--accent-primary);color:#fff;border-radius:20px;margin-left:auto;padding:2px 7px;font-size:10px;font-weight:700;line-height:1.4}.sidebar-footer{border-top:1px solid var(--border-subtle);padding:12px}.status-indicator{background:var(--accent-green-dim);border-radius:var(--radius-md);color:var(--accent-green);border:1px solid #22d3a026;align-items:center;gap:8px;padding:8px 10px;font-size:12px;display:flex}.status-dot{background:var(--accent-green);border-radius:50%;flex-shrink:0;width:7px;height:7px;animation:2s infinite pulse-green}@keyframes pulse-green{0%,to{opacity:1;box-shadow:0 0 #22d3a066}50%{opacity:.8;box-shadow:0 0 0 6px #22d3a000}}.main-content{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.header{height:var(--header-height);background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);flex-shrink:0;align-items:center;gap:16px;padding:0 24px;display:flex}.header-title{color:var(--text-primary);flex:1;font-size:15px;font-weight:600}.header-breadcrumb{color:var(--text-muted);align-items:center;gap:6px;font-size:13px;display:flex}.header-breadcrumb span{color:var(--text-secondary)}.header-actions{align-items:center;gap:8px;display:flex}.page-content{flex:1;padding:24px;overflow-y:auto}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;line-height:1.4;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent-primary);color:#fff;box-shadow:0 2px 8px #6c63ff59}.btn-primary:hover:not(:disabled){background:var(--accent-primary-light);transform:translateY(-1px);box-shadow:0 4px 16px #6c63ff73}.btn-secondary{background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-default)}.btn-secondary:hover:not(:disabled){background:var(--bg-overlay);color:var(--text-primary);border-color:var(--border-accent)}.btn-ghost{color:var(--text-secondary);background:0 0;border:1px solid #0000}.btn-ghost:hover:not(:disabled){background:var(--bg-elevated);color:var(--text-primary)}.btn-danger{background:var(--accent-red-dim);color:var(--accent-red);border:1px solid #f43f5e33}.btn-danger:hover:not(:disabled){background:#f43f5e33}.btn-success{background:var(--accent-green-dim);color:var(--accent-green);border:1px solid #22d3a033}.btn-success:hover:not(:disabled){background:#22d3a033}.btn-sm{padding:4px 10px;font-size:12px}.btn-icon{background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:7px}.btn-icon:hover{background:var(--bg-overlay);color:var(--text-primary)}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden}.card-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-title{color:var(--text-primary);font-size:14px;font-weight:600}.card-subtitle{color:var(--text-muted);margin-top:2px;font-size:12px}.card-body{padding:20px}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:border-color var(--transition-base), box-shadow var(--transition-base);padding:20px;position:relative;overflow:hidden}.stat-card:before{content:"";opacity:.08;border-radius:50%;width:80px;height:80px;position:absolute;top:0;right:0;transform:translate(30%,-30%)}.stat-card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-md)}.stat-card.purple:before{background:var(--accent-primary)}.stat-card.green:before{background:var(--accent-green)}.stat-card.amber:before{background:var(--accent-amber)}.stat-card.blue:before{background:var(--accent-blue)}.stat-card.red:before{background:var(--accent-red)}.stat-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:14px;display:flex}.stat-icon.purple{background:var(--accent-primary-dim);color:var(--accent-primary-light)}.stat-icon.green{background:var(--accent-green-dim);color:var(--accent-green)}.stat-icon.amber{background:var(--accent-amber-dim);color:var(--accent-amber)}.stat-icon.blue{background:var(--accent-blue-dim);color:var(--accent-blue)}.stat-icon.red{background:var(--accent-red-dim);color:var(--accent-red)}.stat-value{color:var(--text-primary);letter-spacing:-.04em;margin-bottom:4px;font-size:26px;font-weight:800;line-height:1}.stat-label{color:var(--text-muted);font-size:12px;font-weight:500}.stat-trend{align-items:center;gap:4px;margin-top:8px;font-size:11px;display:flex}.stat-trend.up{color:var(--accent-green)}.stat-trend.down{color:var(--accent-red)}.stat-trend.neutral{color:var(--text-muted)}.table-container{overflow-x:auto}table{border-collapse:collapse;width:100%}thead th{text-align:left;color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--border-subtle);white-space:nowrap;padding:10px 16px;font-size:11px;font-weight:600}tbody tr{transition:background var(--transition-fast);border-bottom:1px solid var(--border-subtle)}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--bg-elevated)}tbody td{color:var(--text-secondary);vertical-align:middle;padding:12px 16px;font-size:13px}.cell-primary{color:var(--text-primary);font-weight:500}.cell-mono{color:var(--text-muted);font-family:JetBrains Mono,monospace;font-size:12px}.badge{letter-spacing:.02em;white-space:nowrap;border-radius:20px;align-items:center;gap:4px;padding:2px 9px;font-size:11px;font-weight:600;display:inline-flex}.badge-draft{background:var(--bg-overlay);color:var(--text-muted);border:1px solid var(--border-default)}.badge-pending{background:var(--accent-amber-dim);color:var(--accent-amber);border:1px solid #f59e0b33}.badge-approved{background:var(--accent-blue-dim);color:var(--accent-blue);border:1px solid #38bdf833}.badge-active{background:var(--accent-green-dim);color:var(--accent-green);border:1px solid #22d3a033}.badge-paused{background:var(--accent-purple-dim);color:var(--accent-purple);border:1px solid #a78bfa33}.badge-suspended,.badge-rejected{background:var(--accent-red-dim);color:var(--accent-red);border:1px solid #f43f5e33}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);letter-spacing:.02em;margin-bottom:6px;font-size:12px;font-weight:600;display:block}.form-input,.form-select,.form-textarea{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:8px 12px;font-family:Inter,sans-serif;font-size:13px}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-dim)}.form-input::placeholder{color:var(--text-muted)}.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23555a75' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:32px}.form-textarea{resize:vertical;min-height:80px}.form-hint{color:var(--text-muted);margin-top:4px;font-size:11px}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.form-row-3{grid-template-columns:1fr 1fr 1fr;gap:12px;display:grid}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#000000b3;justify-content:center;align-items:center;padding:20px;animation:.15s fade-in;display:flex;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:90vh;box-shadow:var(--shadow-lg);animation:.2s cubic-bezier(.4,0,.2,1) slide-up;overflow-y:auto}@keyframes slide-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.modal-lg{max-width:780px}.modal-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:20px 24px 16px;display:flex}.modal-title{color:var(--text-primary);font-size:16px;font-weight:700}.modal-body{padding:20px 24px}.modal-footer{border-top:1px solid var(--border-subtle);justify-content:flex-end;align-items:center;gap:8px;padding:16px 24px 20px;display:flex}.page-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.page-title{color:var(--text-primary);letter-spacing:-.03em;font-size:20px;font-weight:700}.page-desc{color:var(--text-muted);margin-top:3px;font-size:13px}.divider{background:var(--border-subtle);height:1px;margin:20px 0}.empty-state{color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:60px 20px;display:flex}.empty-state-icon{background:var(--bg-elevated);border-radius:var(--radius-lg);width:48px;height:48px;color:var(--text-disabled);justify-content:center;align-items:center;display:flex}.empty-state-title{color:var(--text-secondary);font-size:14px;font-weight:600}.empty-state-desc{max-width:260px;font-size:12px;line-height:1.6}.spinner{border:2px solid var(--border-accent);border-top-color:var(--accent-primary);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{justify-content:center;align-items:center;padding:48px;display:flex}.toast-container{z-index:200;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);color:var(--text-primary);align-items:center;gap:10px;min-width:280px;padding:12px 16px;font-size:13px;animation:.2s slide-up;display:flex}.toast.success{border-left:3px solid var(--accent-green)}.toast.error{border-left:3px solid var(--accent-red)}.toast.info{border-left:3px solid var(--accent-primary)}.tabs{background:var(--bg-elevated);border-radius:var(--radius-md);border:1px solid var(--border-subtle);gap:2px;margin-bottom:20px;padding:3px;display:flex}.tab{border-radius:calc(var(--radius-md) - 2px);cursor:pointer;color:var(--text-muted);transition:all var(--transition-fast);text-align:center;background:0 0;border:none;flex:1;padding:7px 14px;font-size:13px;font-weight:500}.tab:hover{color:var(--text-secondary)}.tab.active{background:var(--bg-surface);color:var(--text-primary);box-shadow:var(--shadow-sm)}.progress-bar{background:var(--bg-elevated);border-radius:2px;height:4px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent-primary), var(--accent-primary-light));border-radius:2px;height:100%;transition:width .6s cubic-bezier(.4,0,.2,1)}.action-menu{display:inline-block;position:relative}.action-dropdown{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:50;min-width:180px;animation:.15s slide-up;position:absolute;top:calc(100% + 6px);right:0;overflow:hidden}.action-dropdown-item{cursor:pointer;color:var(--text-secondary);transition:background var(--transition-fast), color var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:9px 14px;font-size:13px;display:flex}.action-dropdown-item:hover{background:var(--bg-overlay);color:var(--text-primary)}.action-dropdown-item.danger{color:var(--accent-red)}.action-dropdown-item.danger:hover{background:var(--accent-red-dim)}.action-dropdown-item.success{color:var(--accent-green)}.action-dropdown-item.success:hover{background:var(--accent-green-dim)}.action-dropdown-sep{background:var(--border-subtle);height:1px;margin:4px 0}.question-option{background:var(--bg-elevated);border-radius:var(--radius-sm);color:var(--text-secondary);border:1px solid var(--border-subtle);align-items:center;gap:5px;padding:2px 8px;font-family:JetBrains Mono,monospace;font-size:11px;display:inline-flex}.question-option.correct{background:var(--accent-green-dim);color:var(--accent-green);border-color:#22d3a033}.search-bar{align-items:center;display:flex;position:relative}.search-bar .search-icon{color:var(--text-muted);pointer-events:none;position:absolute;left:10px}.search-bar input{width:220px;padding-left:34px}.chart-container{padding:8px 0}.grid-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}.gap-16{gap:16px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.text-muted{color:var(--text-muted);font-size:12px}.text-sm{font-size:12px}.text-primary{color:var(--text-primary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.w-full{width:100%}.ml-auto{margin-left:auto}.font-mono{font-family:JetBrains Mono,monospace;font-size:12px}