:root {
  --bg: #000;
  --fg: #fff;
  --accent: #ffd400;
  --accent-fg: #000;
  --muted: #c8c8c8;
  --line: #555;
  --danger: #ff6b6b;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 20px/1.4 -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px max(32px, env(safe-area-inset-bottom));
}

h1 { font-size: 1.4rem; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 28px 0 10px; border-top: 2px solid var(--line); padding-top: 16px; }

button, select, input, textarea { font: inherit; }

button {
  min-height: 56px;
  border-radius: 12px;
  border: 3px solid var(--fg);
  background: var(--bg);
  color: var(--fg);
  padding: 8px 16px;
  font-weight: 700;
  cursor: pointer;
}
button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 4px solid var(--accent);
  outline-offset: 3px;
}
button:disabled { opacity: 0.5; }

.primary { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 12px 0; }
.big { min-height: 96px; font-size: 1.6rem; }
.start { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.start[aria-pressed="true"] { background: var(--bg); color: var(--accent); }
.secondary { width: 100%; margin: 6px 0; }
.row { display: grid; grid-template-columns: 1fr; gap: 6px; }

.status { font-size: 1.1rem; min-height: 1.4em; margin: 4px 0; }
.alert {
  border: 3px solid var(--danger);
  border-radius: 12px;
  padding: 12px;
  margin: 8px 0;
  font-weight: 700;
}

.stats p { margin: 4px 0; }
.small { font-size: 0.9rem; color: var(--muted); }
.note { margin-top: 0; }

.transcript {
  margin: 0;
  padding-left: 2.2em;
  max-height: 40vh;
  overflow-y: auto;
}
.transcript li { margin: 6px 0; }
.transcript time { color: var(--muted); font-size: 0.85rem; margin-right: 6px; }

.field { display: block; margin: 16px 0; }
.field > span { display: block; margin-bottom: 6px; }
select, input[type="text"], input[type="password"], textarea {
  width: 100%;
  min-height: 52px;
  background: #111;
  color: var(--fg);
  border: 2px solid var(--fg);
  border-radius: 10px;
  padding: 8px 10px;
}
input[type="range"] { width: 100%; height: 44px; accent-color: var(--accent); }

.check { display: flex; gap: 12px; align-items: flex-start; margin: 16px 0 4px; }
.check input { width: 32px; height: 32px; flex: none; accent-color: var(--accent); }

.video-wrap { position: relative; width: 100%; background: #111; border: 2px solid var(--line); min-height: 60px; }
.video-wrap video { display: block; width: 100%; height: auto; }
.video-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }
.video-wrap.picking { border-color: var(--accent); }

.crop-preview { width: 100%; height: auto; background: #111; border: 2px solid var(--line); }

.dimmer {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 10;
}
.undim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: #000;
  color: #333;
  font-size: 1rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}