:root{--bg-base: #0f172a;--bg-surface: #1e293b;--bg-surface-hover: #26354d;--border: #334155;--accent: #38bdf8;--accent-hover: #7dd3fc;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--success: #4ade80;--warning: #fbbf24;--danger: #f87171;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.3);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.3), 0 2px 4px -2px rgba(0,0,0,.3);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.3), 0 4px 6px -4px rgba(0,0,0,.3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-base);color:var(--text-primary);min-height:100vh;line-height:1.5}.app{min-height:100vh;display:flex;flex-direction:column}.header{height:64px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;background:var(--bg-base);position:sticky;top:0;z-index:10}.header-brand{display:flex;align-items:center;gap:.75rem}.header-icon{width:32px;height:32px;color:var(--accent)}.header-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.header-status{display:flex;align-items:center;gap:.5rem;padding:.35rem .875rem;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;background:var(--bg-surface);border:1px solid var(--border)}.status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.status-dot.idle{background:var(--text-secondary)}.status-dot.backend-ready{background:var(--success)}.status-dot.backend-error{background:var(--danger)}.status-dot.connected{background:var(--success)}.status-dot.detecting{background:var(--accent);animation:pulse-dot 1.5s ease-in-out infinite}.status-dot.no-face{background:var(--warning)}.status-dot.error{background:var(--danger)}.status-dot.disconnected,.status-dot.stopped{background:var(--text-secondary)}.status-dot.stream-error{background:var(--danger)}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.dashboard{flex:1;display:grid;grid-template-columns:1fr 380px;gap:1.5rem;padding:1.5rem;max-width:1400px;margin:0 auto;width:100%}@media (max-width: 1023px){.dashboard{grid-template-columns:1fr}}.video-panel{display:flex;flex-direction:column;gap:1rem}.video-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}.video-header{padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.video-header-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.video-container{position:relative;background:#000;min-height:400px;display:flex;align-items:center;justify-content:center}.video-feed{max-width:100%;max-height:600px;display:block}.video-placeholder{display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--text-secondary);padding:3rem;text-align:center}.placeholder-icon{width:64px;height:64px;color:var(--border)}.placeholder-text{font-size:1rem;max-width:280px}.metrics-panel{display:flex;flex-direction:column;gap:1rem}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1rem;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.card-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:.75rem}.metrics-row{display:flex;gap:1rem}.metric-item{flex:1;text-align:center}.metric-value{font-family:JetBrains Mono,monospace;font-size:1.25rem;font-weight:500;color:var(--text-primary)}.metric-label{font-size:.6875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-top:.25rem}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.stat-item{display:flex;flex-direction:column;gap:.25rem}.stat-value{font-family:JetBrains Mono,monospace;font-size:1rem;font-weight:500;color:var(--text-primary)}.stat-label{font-size:.6875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.rate-bar-container{margin-top:.5rem}.rate-bar-track{height:6px;background:var(--bg-base);border-radius:999px;overflow:hidden}.rate-bar-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .5s ease}.rate-bar-label{font-size:.6875rem;color:var(--text-secondary);margin-top:.25rem;text-align:right}.roi-code{font-family:JetBrains Mono,monospace;font-size:.8125rem;color:var(--text-secondary);background:var(--bg-base);padding:.75rem;border-radius:var(--radius-md);line-height:1.6}.video-controls{display:flex;gap:1rem;justify-content:center;padding:1rem 0}.btn{background:var(--accent);color:#0f172a;border:none;padding:.5rem 1.25rem;border-radius:var(--radius-md);font-weight:600;cursor:pointer;font-size:.875rem;font-family:inherit;transition:background .2s ease,transform .1s ease;white-space:nowrap}.btn:hover:not(:disabled){background:var(--accent-hover)}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#ef4444}.error-banner{background:#f871711a;border:1px solid rgba(248,113,113,.3);color:var(--danger);padding:.75rem 1rem;border-radius:var(--radius-md);margin:1rem 1.5rem 0;font-size:.875rem;max-width:1400px}@media (max-width: 1023px){.dashboard{grid-template-columns:1fr;padding:1rem}.metrics-panel{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.metrics-panel>.card:last-child:nth-child(odd){grid-column:1 / -1}}@media (max-width: 767px){.header{padding:0 1rem}.header-title{font-size:1rem}.dashboard{padding:.75rem;gap:.75rem}.metrics-panel{grid-template-columns:1fr}.controls-inner{padding:0 .75rem}.video-container{min-height:280px}}