:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --good: #4ade80;
  --warn: #fbbf24;
}
* { box-sizing: border-box; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100dvh;
}
main { max-width: 640px; margin: 0 auto; }
.screen { padding: 24px 16px; display: flex; flex-direction: column; gap: 16px; }
.hidden { display: none !important; }
h1 { font-size: 2rem; color: var(--accent); }
h2 { font-size: 1.4rem; }
.tagline, .fineprint, label { color: var(--muted); }
.fineprint { font-size: 0.85rem; }
input {
  font-size: 1.1rem; padding: 12px; border-radius: 10px;
  border: 1px solid var(--muted); background: var(--card); color: var(--text);
}
button {
  font-size: 1.1rem; padding: 14px; border-radius: 10px; border: none;
  background: var(--card); color: var(--text); cursor: pointer;
}
button.primary { background: var(--accent); color: #083344; font-weight: 700; }
.setup-list { padding-left: 20px; display: grid; gap: 6px; }
.concept-card {
  background: var(--card); border-radius: 12px; padding: 16px;
  display: grid; gap: 8px;
}
.concept-card h3 { color: var(--accent); font-size: 1rem; }

/* Live stage */
#screen-live { padding: 0; gap: 0; min-height: 100dvh; }
.stage { position: relative; width: 100%; flex: 1; background: #000; overflow: hidden; }
#video, #overlay {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
}
#hud { position: absolute; top: 10px; left: 10px; display: flex; gap: 10px; }
.hud-box {
  background: rgba(15, 23, 42, 0.75); border-radius: 10px; padding: 8px 14px;
  text-align: center;
}
.hud-box span { font-size: 1.8rem; font-weight: 800; color: var(--accent); display: block; }
.hud-box label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }
#cue {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.85); color: var(--good);
  font-size: 1.4rem; font-weight: 700; padding: 10px 22px; border-radius: 999px;
  white-space: nowrap;
}
.chip {
  position: absolute; top: 10px; right: 10px; max-width: 45%;
  background: var(--warn); color: #451a03; font-size: 0.8rem; font-weight: 600;
  padding: 6px 10px; border-radius: 8px;
}
#prompt-body { top: auto; bottom: 70px; right: 50%; transform: translateX(50%); max-width: 80%; }
.live-controls {
  display: flex; gap: 10px; padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
}
.live-controls button { flex: 1; }

/* Summary */
#summary-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: var(--card); border-radius: 12px; padding: 14px; text-align: center; }
.stat b { display: block; font-size: 1.6rem; color: var(--accent); }
.stat small { color: var(--muted); }
#send-status { color: var(--muted); min-height: 1.2em; }
#send-status.error { color: var(--warn); }