:root{--color-bg: #0a0e1a;--color-surface: #141a2e;--color-surface-sunken: rgba(255, 255, 255, .04);--color-border: rgba(255, 255, 255, .08);--color-border-strong: rgba(255, 255, 255, .16);--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-text-faint: #64748b;--color-primary: #8b7cf6;--color-primary-hover: #7c6ff0;--color-primary-soft: rgba(139, 124, 246, .15);--color-primary-border: rgba(139, 124, 246, .35);--color-success: #1ce8a8;--color-success-soft: rgba(28, 232, 168, .14);--color-success-text: #1ce8a8;--color-warning: #f5a623;--color-warning-soft: rgba(245, 166, 35, .14);--color-warning-text: #f5a623;--color-danger: #f16565;--color-danger-soft: rgba(241, 101, 101, .14);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .45);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}button,input,select,textarea{font-family:inherit}.app-shell{min-height:100%}.app-header{border-bottom:1px solid var(--color-border);background:var(--color-surface);padding:16px 24px;display:flex;align-items:center;gap:12px}.app-logo{width:32px;height:32px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-primary),#818cf8);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}.app-title{font-size:16px;font-weight:700;line-height:1.2}.app-subtitle{font-size:12px;color:var(--color-text-muted)}.container{max-width:820px;margin:0 auto;padding:32px 20px 64px}.page-intro{margin-bottom:24px}.page-intro h1{font-size:22px;margin:0 0 6px}.page-intro p{margin:0;color:var(--color-text-muted);font-size:14px;line-height:1.6}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px}.card+.card{margin-top:16px}.section-title{font-size:15px;font-weight:700;margin:0 0 4px}.section-subtitle{font-size:13px;color:var(--color-text-muted);margin:0 0 16px}.divider{border:none;border-top:1px solid var(--color-border);margin:20px 0}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field-label{font-size:13px;font-weight:600;color:var(--color-text)}.field-hint{font-size:12px;color:var(--color-text-faint);font-weight:400}.input,.select,.textarea{width:100%;padding:9px 12px;font-size:14px;border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:var(--color-surface-sunken);color:var(--color-text);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.textarea{resize:vertical;font-family:inherit;line-height:1.5}.input:focus,.select:focus,.textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.input-row{display:flex;gap:16px;flex-wrap:wrap}.input-row .field{flex:1;min-width:140px}.input-sm{max-width:100px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;font-size:14px;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .05s ease,opacity .15s ease;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-primary);border-color:var(--color-primary-border)}.btn-secondary:hover:not(:disabled){background:var(--color-primary-soft)}.btn-ghost{background:transparent;color:var(--color-text-muted);border-color:var(--color-border-strong)}.btn-ghost:hover:not(:disabled){background:var(--color-surface-sunken);color:var(--color-text)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#e14444}.btn-sm{padding:6px 12px;font-size:12px}.btn-block{width:100%}.link-btn{display:inline-flex;align-items:center;gap:6px;text-decoration:none}.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:3px 9px;border-radius:999px;margin-bottom:12px}.badge-mock{color:var(--color-warning-text);background:var(--color-warning-soft)}.badge-live{color:var(--color-success-text);background:var(--color-success-soft)}.badge-neutral{color:var(--color-text-muted);background:var(--color-surface-sunken);border:1px solid var(--color-border)}.tabs{display:flex;gap:4px;padding:4px;background:var(--color-surface-sunken);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:20px;width:fit-content}.tab{padding:8px 18px;font-size:13px;font-weight:600;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--color-text-muted);cursor:pointer;transition:background .15s ease,color .15s ease}.tab:hover{color:var(--color-text)}.tab-active{background:var(--color-surface);color:var(--color-primary);box-shadow:var(--shadow-sm)}.room-banner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:20px}.room-banner-left{display:flex;align-items:center;gap:10px;font-size:14px}.room-id-chip{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:var(--color-surface-sunken);border:1px solid var(--color-border);padding:2px 8px;border-radius:var(--radius-sm)}.role-chip{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--color-primary-soft);color:var(--color-primary)}.slide-stage{background:linear-gradient(160deg,#12172a,#1e2547);color:#f1f5f9;border-radius:var(--radius-lg);padding:40px 44px;min-height:260px;box-shadow:var(--shadow-md);position:relative}.slide-remove-btn{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:50%;border:none;background:#ffffff1f;color:#f1f5f9;font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease}.slide-remove-btn:hover{background:var(--color-danger)}.slide-title{font-size:26px;font-weight:700;margin:0 0 18px}.slide-bullets{list-style:none;padding:0;margin:0;font-size:17px;line-height:1.7}.slide-bullets li{padding-left:20px;position:relative;margin-bottom:6px;color:#e2e8f0}.slide-bullets li:before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:#818cf8}.slide-controls{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}.slide-counter{font-size:13px;color:var(--color-text-muted);font-variant-numeric:tabular-nums}.slide-notes{font-size:13px;color:var(--color-text-muted);font-style:italic;margin:8px 0 0}.empty-state{padding:40px 24px;text-align:center;color:var(--color-text-faint);border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);font-size:14px}.quiz-question{font-size:18px;font-weight:700;margin:0 0 14px}.option-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}.option-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.option-static{padding:10px 14px;border-radius:var(--radius-sm);background:var(--color-surface-sunken);font-size:14px;border:1px solid var(--color-border)}.option-static-correct{background:var(--color-success-soft);border-color:var(--color-success);font-weight:600;color:var(--color-success-text)}.option-btn{display:block;width:100%;text-align:left;padding:12px 16px;border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:var(--color-surface);font-size:14px;cursor:pointer;transition:border-color .15s ease,background .15s ease;color:var(--color-text)}.option-btn:hover:not(:disabled){border-color:var(--color-primary);background:var(--color-primary-soft)}.option-btn:disabled{cursor:default}.option-btn-selected{border:2px solid var(--color-primary);background:var(--color-primary-soft);font-weight:600}.live-label{font-size:13px;color:var(--color-text-muted);font-weight:600;margin:12px 0 8px;display:flex;align-items:center;gap:6px}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--color-danger);animation:pulse 1.4s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.tally-row{display:flex;align-items:center;gap:10px;margin-bottom:6px}.tally-label{font-size:12px;width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--color-text-muted)}.tally-track{flex:1;height:10px;background:var(--color-surface-sunken);border-radius:999px;overflow:hidden;border:1px solid var(--color-border)}.tally-fill{height:100%;border-radius:999px;background:var(--color-primary);transition:width .3s ease}.tally-fill-correct{background:var(--color-success)}.quiz-results-table{width:100%;border-collapse:collapse;font-size:13px}.quiz-results-table th,.quiz-results-table td{padding:8px 12px;border-bottom:1px solid var(--color-border);text-align:left;white-space:nowrap}.quiz-results-table th{color:var(--color-text-muted);font-weight:600;background:var(--color-surface-sunken)}.tally-count{font-size:12px;width:20px;text-align:right;color:var(--color-text-muted);font-variant-numeric:tabular-nums}.waiting-text{font-size:14px;color:var(--color-text-muted);font-style:italic;margin:8px 0 0}.debug-details{margin-top:18px;font-size:12px;color:var(--color-text-muted);border-top:1px solid var(--color-border);padding-top:12px}.debug-details summary{cursor:pointer;font-weight:600}.debug-pre{white-space:pre-wrap;background:var(--color-surface-sunken);border:1px solid var(--color-border);padding:12px;border-radius:var(--radius-sm);font-size:11px;margin-top:8px;max-height:240px;overflow:auto}.error-text{color:var(--color-danger);font-size:13px;margin:8px 0 0}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-0{margin-bottom:0}.mb-16{margin-bottom:16px}.banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-radius:var(--radius-md);font-size:13px;margin-bottom:16px}.banner-warning{background:var(--color-warning-soft);color:var(--color-warning-text);border:1px solid rgba(245,166,35,.4)}.toggle-row{display:flex;align-items:center;gap:10px;font-size:13px;cursor:pointer}.toggle-row input[type=checkbox]{width:16px;height:16px;cursor:pointer}.request-item{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:13px;margin-top:8px}.video-card{margin-bottom:20px}.eyebrow{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px}.eyebrow-teal{color:var(--color-success)}.eyebrow-purple{color:var(--color-primary)}.eyebrow-orange{color:var(--color-warning)}@media (max-width: 560px){.card{padding:20px}.slide-stage{padding:24px}.container{padding:20px 14px 48px}}