:root{--bg:#111418;--panel:#1b2027;--line:#2c333d;--text:#eef2f6;--muted:#9aa6b2;--acc:#2f8cff;--ok:#1fbf6b;--bad:#e5484d}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.4 system-ui,Segoe UI,Arial,sans-serif}
header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:8px}
h1{font-size:22px;margin:0}.hbtns{display:flex;gap:8px;flex-wrap:wrap}
main{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:14px;padding:14px}
@media(max-width:1100px){main{grid-template-columns:1fr}}
canvas#program{width:100%;aspect-ratio:16/9;background:#000;border:1px solid var(--line);border-radius:8px;display:block}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0}
button,select,input{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:8px;min-height:44px;padding:6px 14px}
button{cursor:pointer;font-weight:600}button:hover{border-color:var(--acc)}button.primary{background:var(--acc);border-color:var(--acc)}
button.on{background:#244a7a;border-color:var(--acc)}input.wide{flex:1;min-width:220px}
label.chk{display:flex;align-items:center;gap:6px}input[type=checkbox]{width:22px;height:22px;min-height:0}
.muted{color:var(--muted);font-size:15px}
.src{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:12px}
.src video{width:100%;aspect-ratio:16/9;background:#000;border-radius:6px;object-fit:contain}
.src .top{display:flex;gap:8px;align-items:center}.src .top input{flex:1;min-width:0}
.chip{padding:4px 10px;border-radius:99px;font-size:14px;font-weight:700;white-space:nowrap}
.chip.live{background:var(--ok);color:#000}.chip.off{background:var(--bad)}.chip.wait{background:#a88a1a;color:#000}
.ctl{display:grid;grid-template-columns:120px 1fr 70px;gap:6px;align-items:center;margin:4px 0;font-size:15px}
.ctl input[type=range]{width:100%;min-height:30px}
#help{position:fixed;inset:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:9}
#help[hidden]{display:none}.helpbox{background:var(--panel);max-width:720px;max-height:90vh;overflow:auto;padding:20px 26px;border-radius:12px}
.helpbox li{margin:8px 0}
#pro{position:fixed;inset:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:9}
#pro[hidden],#camWarn[hidden],[hidden]{display:none!important}
.warn{margin:10px 14px 0;padding:10px 14px;border:1px solid #a88a1a;background:#2a2410;border-radius:10px;display:flex;gap:12px;align-items:center;justify-content:space-between}
#about{margin-top:16px;border-top:1px solid var(--line);padding-top:8px}#about h2{font-size:18px;margin:6px 0}#about h3{font-size:16px;margin:10px 0 4px}
#about a{color:var(--acc)}.chip.locked{background:#444;color:#ddd}