:root {
  --bg: #f4f5f2;
  --panel: #ffffff;
  --text: #17201b;
  --muted: #5d6b63;
  --line: #dfe3dd;
  --accent: #0b7a53;
  --accent-text: #ffffff;
  --left: #e2572b;
  --right: #2b7de2;
  --com: #f2b705;
  --contact: #17b26a;
  --warn-bg: #fff6dd;
  --warn-text: #6b4e00;
  --good-bg: #dff3e8;
  --good-text: #0b5a3d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101412;
    --panel: #19201c;
    --text: #e8eee9;
    --muted: #9aa8a0;
    --line: #2b352f;
    --accent: #2fbf8a;
    --accent-text: #06261a;
    --left: #ff7d55;
    --right: #5ea4ff;
    --warn-bg: #3a3112;
    --warn-text: #f5dc8a;
    --good-bg: #173527;
    --good-text: #8fe0b8;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.top, main { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.top { padding-top: 28px; }
.top h1 { margin: 0 0 4px; font-size: 1.7rem; letter-spacing: -0.02em; }
.top p { margin: 0 0 20px; color: var(--muted); max-width: 62ch; }
main { padding-bottom: 48px; display: grid; gap: 16px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.drop {
  display: grid;
  gap: 4px;
  padding: 22px 16px;
  border: 2px dashed var(--line);
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
}
.drop:hover, .drop.over { border-color: var(--accent); }
.drop input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.drop:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.drop span { color: var(--muted); font-size: 0.9rem; }

.settings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
label { display: grid; gap: 4px; font-size: 0.85rem; color: var(--muted); }
input[type="number"], select {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 0;
}

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 16px; }
button {
  font: inherit;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
#status { color: var(--muted); font-size: 0.9rem; }
#status.error { color: var(--left); }
progress { width: 100%; margin-top: 12px; accent-color: var(--accent); }

.stage { position: relative; background: #000; border-radius: 8px; overflow: hidden; line-height: 0; }
.stage video { width: 100%; max-height: 70vh; display: block; }
.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.playerbar { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: end; justify-content: space-between; margin-top: 12px; }
.legend { color: var(--muted); font-size: 0.85rem; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; }
.sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-left: 10px; }
.sw.left { background: var(--left); }
.sw.right { background: var(--right); }
.sw.com { background: var(--com); border-radius: 50%; }
.sw.contact { background: var(--contact); }

#results { display: grid; gap: 16px; }
.warnings { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.warnings li { background: var(--warn-bg); color: var(--warn-text); border-radius: 8px; padding: 10px 12px; font-size: 0.9rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.card h3 { margin: 0; font-size: 0.8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.card .value { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.02em; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.card .value small { font-size: 0.95rem; font-weight: 500; color: var(--muted); margin-left: 4px; }
.card p { margin: 0; font-size: 0.82rem; color: var(--muted); }

.chart h2 { margin: 0; font-size: 1rem; }
.chart .sub { margin: 2px 0 10px; color: var(--muted); font-size: 0.85rem; }
.chart canvas { width: 100%; height: 220px; display: block; cursor: crosshair; }

.disclaimer { color: var(--muted); font-size: 0.82rem; margin: 0; }
[hidden] { display: none !important; }

.advice { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.advice-head { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 0.78rem; color: var(--muted); margin-bottom: 4px; }
.advice .chip { font-weight: 600; padding: 1px 8px; border-radius: 999px; background: var(--good-bg); color: var(--good-text); }
.advice.watch .chip { background: var(--warn-bg); color: var(--warn-text); }
.advice p { color: var(--text); }