:root {
  --bg: #12151c; --panel: #1c212b; --line: #2d3442; --text: #e8ebf1; --muted: #9aa3b2;
  --accent: #4a7fe8; --bad: #e05a5a; --good: #41b06e;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text);
  font: 15px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif; }
[hidden] { display: none !important; }
button { font: inherit; color: var(--text); background: #2a3242; border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 12px; cursor: pointer; }
button:hover { border-color: var(--accent); }
input { font: inherit; color: var(--text); background: #0f1218; border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 10px; }

#home { max-width: 760px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 40px; margin: 0; letter-spacing: 0.5px; }
.sub { color: var(--muted); margin-top: 4px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin: 16px 0; }
.card h2 { font-size: 17px; margin: 0 0 8px; }
.small { color: var(--muted); font-size: 13px; }
.file input { display: none; }
.file span { display: inline-block; background: var(--accent); color: #fff; border-radius: 6px; padding: 8px 14px; cursor: pointer; }
.modes { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.big { display: flex; flex-direction: column; gap: 6px; text-align: left; padding: 14px; border-radius: 8px;
  background: #232a37; border: 1px solid var(--line); }
.big b { font-size: 16px; }
.big span { color: var(--muted); font-size: 13px; }
.join form { display: flex; gap: 6px; }
.name input { width: 100%; }
#away { background: #5a4410; color: #ffe6a8; padding: 6px 12px; font-size: 14px; }
.join input { flex: 1; min-width: 0; text-transform: uppercase; letter-spacing: 2px; }
.msg { min-height: 1.4em; color: #f0c674; }
.msg.bad { color: var(--bad); }
.help p { color: var(--muted); font-size: 14px; }
.help summary { cursor: pointer; font-weight: 600; }

#play { position: fixed; inset: 0; display: flex; flex-direction: column; }
#bar { display: flex; align-items: center; gap: 10px; padding: 6px 10px; background: var(--panel);
  border-bottom: 1px solid var(--line); flex-wrap: wrap; }
#bar .grow { flex: 1; }
#room-info { color: var(--muted); }
#room-info code { color: var(--text); font-size: 17px; letter-spacing: 3px; background: #0f1218;
  padding: 1px 8px; border-radius: 4px; }
#busy { color: #f0c674; }
#stage { flex: 1; display: flex; min-height: 0; }
#games { flex: 1; display: grid; grid-template-columns: repeat(var(--cols, 1), 1fr); grid-auto-rows: 1fr;
  gap: 4px; padding: 4px; background: #000; min-width: 0; }
#games iframe.game { width: 100%; height: 100%; border: 0; background: #000; min-height: 0; }
#games div.game { min-height: 0; background: #000; color: var(--muted); display: flex; align-items: center;
  justify-content: center; text-align: center; padding: 8px; }
#games div.game video { width: 100%; height: 100%; object-fit: contain; image-rendering: pixelated; }
#games[data-screens="1"] { grid-template-columns: 3fr 2fr; }
#games:empty::after { content: "Set up a run on the dashboard: the games open here."; color: var(--muted);
  margin: auto; grid-column: 1 / -1; align-self: center; text-align: center; }
#side { width: min(540px, 42vw); border-left: 1px solid var(--line); display: flex; }
#side.closed { display: none; }
#dash { flex: 1; border: 0; background: #fff; }
#log { position: fixed; left: 12px; bottom: 12px; max-width: 60vw; display: flex; flex-direction: column; gap: 4px;
  pointer-events: none; }
#log div { background: rgba(20, 24, 32, 0.92); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px;
  font-size: 13px; }
#lobby { flex: 1; overflow: auto; padding: 24px 16px; min-width: 0; }
.lobby-box { max-width: 620px; margin: 0 auto; background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 18px 20px; }
.lobby-box h2 { margin: 0 0 6px; font-size: 22px; }
.lobby-box h3 { margin: 18px 0 6px; font-size: 16px; }
.lobby-box .room code { font-size: 20px; letter-spacing: 3px; background: #0f1218; padding: 2px 10px; border-radius: 4px;
  margin-right: 8px; }
.lobby-box ul { list-style: none; margin: 0; padding: 0; }
.lobby-box .people li { padding: 5px 0; border-bottom: 1px solid var(--line); }
.lobby-box .people span { color: var(--muted); margin-left: 6px; }
.lobby-box .saves li { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 10px 0;
  border-bottom: 1px solid var(--line); }
.lobby-box .saves li > div { min-width: 0; }
.lobby-box button.go { background: var(--accent); border-color: var(--accent); color: #fff; flex: none; }
.lobby-box .new { margin-top: 12px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.lobby-box .warn { color: #f0c674; font-size: 13px; }
.lobby-box .wait { color: #f0c674; }
.lobby-box .note { color: #f0c674; }
@media (max-width: 800px) {
  #stage { flex-direction: column; }
  #side { width: auto; height: 50vh; border-left: 0; border-top: 1px solid var(--line); }
}