:root {
  --bg: #1b1b1f;
  --card: #26262b;
  --line: #3a3a42;
  --text: #f2f2f4;
  --muted: #a6a6b0;
  --accent: #f2954a;
  --live: #d42a2a;
  --ok: #3aa760;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
header { display: flex; align-items: center; justify-content: space-between; padding: 8px 0 20px; }
.brand { font-weight: 800; color: var(--accent); font-size: 20px; }
.status { color: var(--muted); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; max-width: 560px; margin: 0 auto; }
.card.wide { max-width: none; }
h1 { font-size: 22px; margin: 0 0 12px; }
p { margin: 0 0 12px; }
.points { margin: 0 0 16px; padding-left: 20px; color: var(--muted); }
.check { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0; cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; }
.links a { color: var(--accent); }
button { font: 700 16px system-ui, sans-serif; border-radius: 8px; padding: 12px 20px; cursor: pointer; border: 1px solid var(--line); }
button:disabled { opacity: .45; cursor: default; }
button.primary { background: var(--accent); color: #111; border-color: var(--accent); }
button.secondary { background: transparent; color: var(--text); }
.setup, .room { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 20px; }
@media (max-width: 760px) { .setup, .room { grid-template-columns: 1fr; } }
.preview { position: relative; background: #000; border-radius: 8px; overflow: hidden; aspect-ratio: 16 / 9; }
.preview video { width: 100%; height: 100%; object-fit: contain; transform: scaleX(-1); }
.preview video.studio { transform: none; }
/* K147: with the studio's picture, the guest's own camera becomes a small picture in the corner. */
.preview video.pip { position: absolute; right: 8px; bottom: 8px; width: 26%; height: auto; border: 2px solid var(--line); border-radius: 6px; }
.note { position: absolute; left: 8px; bottom: 8px; font-size: 13px; background: rgba(0,0,0,.6); padding: 2px 8px; border-radius: 4px; }
.note:empty { display: none; }
.fields { display: flex; flex-direction: column; gap: 12px; }
.fields label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
input, select { font: 16px system-ui, sans-serif; color: var(--text); background: #1d1d22; border: 1px solid var(--line); border-radius: 6px; padding: 10px; }
.meter { height: 8px; background: #111; border-radius: 4px; overflow: hidden; }
#meter-bar, #room-meter-bar { height: 100%; width: 0; background: var(--ok); transition: width 60ms linear; }
#meter-bar.hot, #room-meter-bar.hot { background: var(--live); }
.hint { color: var(--muted); font-size: 14px; }
.small { color: var(--muted); font-size: 12px; }
.side { display: flex; flex-direction: column; gap: 12px; }
.state { font-weight: 800; font-size: 22px; padding: 14px 16px; border-radius: 8px; text-align: center; }
.state.waiting { background: #34343c; }
.state.ready { background: #2a4a33; }
.state.live { background: var(--live); color: #fff; animation: pulse 2s infinite; }
.state.lost { background: #5a3a1a; }
@keyframes pulse { 50% { opacity: .75; } }
.notice { background: #2b3a55; border-radius: 6px; padding: 8px 12px; font-size: 14px; }
.messages { display: flex; flex-direction: column; gap: 8px; }
.message-list { display: flex; flex-direction: column; gap: 6px; max-height: 220px; overflow-y: auto; }
.message-list:empty { display: none; }
.message { padding: 8px 12px; border-radius: 8px; font-size: 15px; max-width: 90%; }
.message.studio { background: #3a3a44; align-self: flex-start; border-left: 3px solid var(--accent); }
.message.me { background: #24324a; align-self: flex-end; }
.message-form { display: flex; gap: 8px; }
.message-form input { flex: 1; min-width: 0; }
.message-form button { padding: 8px 14px; }