:root {
  --bg: #f4f6f8; --card: #fff; --text: #14324a; --muted: #5d7283; --line: #d6dfe6;
  --accent: #14324a; --on-accent: #fff; --warn-bg: #fff4d6; --warn-text: #6a4b00; --rec: #c62828; --ok-bg: #dff3e3; --ok-text: #1b5e20; --bad-bg: #fde0e0; --bad-text: #8e1c1c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101820; --card: #1a2630; --text: #e7eef3; --muted: #9db0be; --line: #2e3e4b;
    --accent: #7fb7e0; --on-accent: #0c1a24; --warn-bg: #3b2f0d; --warn-text: #f4d98a; --rec: #ef5350; --ok-bg: #173a22; --ok-text: #a5e0b1; --bad-bg: #4a1a1a; --bad-text: #f6b4b4;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text); font: 17px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); }
#alarm { position: sticky; top: 0; z-index: 10; background: #c62828; color: #fff; padding: 14px 16px; font-size: 18px; }
#alarm[hidden] { display: none; }
#alarm button { color: #fff; background: transparent; border-color: #fff; margin-bottom: 0; }
h1 { font-size: 19px; margin: 0; }
h1 span { color: var(--muted); font-weight: 400; }
h2 { font-size: 16px; margin: 24px 0 8px; }
main { max-width: 560px; margin: 0 auto; padding: 16px; }
.warn { background: var(--warn-bg); color: var(--warn-text); padding: 8px 12px; border-radius: 8px; margin: 0 0 16px; font-size: 15px; }
.pill { font-size: 13px; padding: 2px 10px; border-radius: 99px; border: 1px solid var(--line); }
.small { color: var(--muted); font-size: 14px; }
label { display: block; margin-bottom: 12px; font-size: 15px; }
input { display: block; width: 100%; margin-top: 4px; padding: 12px; font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
button, .button {
  display: block; width: 100%; padding: 13px; margin: 8px 0; font: inherit; font-weight: 600; text-align: center; cursor: pointer;
  color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px;
}
button.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
button.big { padding: 22px; font-size: 20px; }
button.recording { background: var(--rec); border-color: var(--rec); color: #fff; }
button:disabled { opacity: .55; }
.status { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 4px; }
.status b { display: block; font-size: 20px; font-variant-numeric: tabular-nums; }
.status small { color: var(--muted); }
.meter { height: 8px; margin: 10px 0; background: var(--line); border-radius: 4px; overflow: hidden; }
#level { height: 100%; width: 0; background: var(--accent); }
#surveys { list-style: none; padding: 0; margin: 0; }
#surveys button { text-align: left; font-weight: 400; }
#thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
#thumbs img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; }
.verdict { margin: 0 0 8px; font-weight: 600; }
.verdict.ok, .verdict.warn, .verdict.bad { padding: 10px 12px; border-radius: 8px; }
.verdict.ok { background: var(--ok-bg); color: var(--ok-text); }
.verdict.warn { background: var(--warn-bg); color: var(--warn-text); }
.verdict.bad { background: var(--bad-bg); color: var(--bad-text); }
#report { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 0; font-size: 15px; }
#report dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
#player { width: 100%; margin-bottom: 8px; }
#player[hidden], #play-all[hidden] { display: none; }
#segment-list button { font-weight: 400; font-size: 15px; text-align: left; padding: 10px 12px; margin: 4px 0; }
pre { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px; max-height: 240px; overflow: auto; font-size: 12px; white-space: pre-wrap; word-break: break-word; }