*{box-sizing:border-box}
:root{--bg:#0a0e1a;--panel:#131826;--panel2:#1c2333;--border:#2a3447;--text:#e5e7eb;--muted:#94a3b8;--accent:#3b82f6;--accent2:#8b5cf6;--green:#10b981;--red:#ef4444;--yellow:#f59e0b}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at top,#1e293b,var(--bg) 60%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}
.center{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:16px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:28px;width:min(440px,100%);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.card h1{margin:0 0 6px;font-size:24px;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.card p.sub{margin:0 0 20px;color:var(--muted);font-size:14px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
input,select,button{font-size:15px;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--panel2);color:var(--text);outline:none}
input:focus,select:focus{border-color:var(--accent)}
button{background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;cursor:pointer;font-weight:600}
button:hover{filter:brightness(1.1)} button:active{transform:scale(.98)}
button.ghost{background:var(--panel2);border:1px solid var(--border)}
button.danger{background:var(--red)}
.role-pick{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.role-pick .opt{padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--panel2);cursor:pointer;text-align:center}
.role-pick .opt.active{border-color:var(--accent);background:rgba(59,130,246,.1)}
.role-pick .opt .ico{font-size:28px}
.error{color:var(--red);font-size:13px;margin-top:6px;min-height:18px}
.app{display:flex;flex-direction:column;min-height:100vh}
.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:rgba(19,24,38,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.topbar .logo{font-weight:700;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.spacer{flex:1}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;background:var(--panel2);border:1px solid var(--border);font-size:12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.dot.green{background:var(--green);box-shadow:0 0 8px var(--green)}
.dot.yellow{background:var(--yellow)} .dot.red{background:var(--red)}
.stage{flex:1;display:flex;gap:16px;padding:16px;flex-wrap:wrap}
.video-wrap{flex:1 1 600px;min-width:0}
.video-wrap video{width:100%;max-height:calc(100vh - 140px);background:#000;border-radius:12px;border:1px solid var(--border)}
.vctrl{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.side{flex:0 0 320px;display:flex;flex-direction:column;gap:12px}
@media (max-width:900px){.side{flex:1 1 100%}}
.box{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px}
.box h3{margin:0 0 10px;font-size:13px;text-transform:uppercase;color:var(--muted);letter-spacing:.5px}
.row{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.row label{flex:0 0 100px;font-size:13px;color:var(--muted)}
.row input[type=range]{flex:1}
.row select,.row input{flex:1;padding:8px 10px;font-size:13px}
.stats{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:12px;line-height:1.7;color:#cbd5e1}
.stats b{color:var(--text)}
.qr{display:flex;flex-direction:column;align-items:center;gap:8px}
.qr img{background:#fff;padding:8px;border-radius:8px;width:200px;height:200px}
.qr a{color:var(--accent);font-size:12px;word-break:break-all;text-align:center}
.hidden{display:none!important}
.rec-pulse{animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}