:root {
  --bg: #0b0f14;
  --panel: #141b24;
  --line: #243040;
  --fg: #dbe4ee;
  --dim: #7d8b9c;
  --ok: #4ade80;
  --bad: #f87171;
  --warn: #fbbf24;
  --accent: #60a5fa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 20px; border-bottom: 1px solid var(--line);
}
h1 { font-size: 18px; margin: 0; font-weight: 600; }
h2 { font-size: 15px; margin: 0 0 8px; font-weight: 600; }
.hint { color: var(--dim); font-weight: 400; font-size: 13px; }
code { color: var(--accent); }

main { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 20px; padding: 20px; }
@media (max-width: 900px) { main { grid-template-columns: 1fr; } }

#stage { position: relative; background: #000; border-radius: 8px; overflow: hidden; }
video { width: 100%; aspect-ratio: 16 / 9; display: block; background: #000; }

#overlay {
  position: absolute; top: 12px; right: 12px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(0, 0, 0, .7); font-weight: 600; font-size: 14px;
  display: none;
}
#overlay.ad { display: block; color: #000; background: var(--warn); }
#overlay.airplay { display: block; color: #000; background: var(--accent); }

#controls { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.row.buttons { gap: 8px; }
label { width: 68px; color: var(--dim); font-size: 13px; }
.note { color: var(--dim); font-size: 13px; margin: 0 0 14px; min-height: 34px; }

select, button, a.nav {
  background: #1c2733; color: var(--fg); border: 1px solid var(--line);
  border-radius: 6px; padding: 8px 12px; font-size: 14px;
  font-family: inherit; cursor: pointer; text-decoration: none;
}
select { flex: 1; min-width: 0; }
button.primary { background: var(--accent); color: #05121f; border-color: var(--accent); font-weight: 600; }
a.nav { font-size: 13px; }
.nav:focus-visible, .nav:focus { outline: 3px solid var(--warn); outline-offset: 2px; }

#status { font-size: 13px; color: var(--dim); border-top: 1px solid var(--line); padding-top: 10px; }
#status b { color: var(--fg); font-weight: 600; }

#logwrap { padding: 0 20px 24px; }
#log {
  background: #070b10; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; height: 320px; overflow-y: auto;
  font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap;
}
#log div { border-bottom: 1px solid #10171f; padding: 1px 0; }
.l-ok { color: var(--ok); }
.l-bad { color: var(--bad); }
.l-warn { color: var(--warn); }
.l-dim { color: var(--dim); }

/* Readable across a room, for TV browsers driven by a remote. */
@media (min-width: 1600px) {
  body { font-size: 18px; }
  #log { font-size: 15px; height: 380px; }
  select, button, a.nav { font-size: 17px; padding: 10px 16px; }
}