:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --text: #1d1f1c;
  --muted: #5d625a;
  --line: #e2e0d8;
  --accent: #2f6b4f;
  --accent-soft: #e3efe8;
  --avoid: #a5442c;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141614;
    --surface: #1d201d;
    --text: #ebece7;
    --muted: #a3a89f;
    --line: #30342f;
    --accent: #7fc4a0;
    --accent-soft: #233328;
    --avoid: #e58b70;
  }
}
* { box-sizing: border-box; }
html { scroll-padding-top: 64px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px 48px; }
.top { padding: 28px 0 8px; }
h1 { font-size: 1.6rem; margin: 0 0 6px; line-height: 1.2; }
.lede { color: var(--muted); margin: 0; }
nav#tabs {
  position: sticky; top: 0; z-index: 2;
  display: flex; gap: 8px; overflow-x: auto;
  padding: 10px 16px; margin: 12px -16px 0;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
nav#tabs a {
  flex: none; padding: 6px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line);
  color: var(--text); text-decoration: none; font-size: .95rem;
}
.how { background: var(--accent-soft); border-radius: var(--radius); padding: 14px 16px; margin: 20px 0 8px; }
.how h2 { font-size: 1.05rem; margin: 0 0 6px; }
.how ol { margin: 0; padding-left: 20px; }
section { padding-top: 24px; }
section > h2 { font-size: 1.4rem; margin: 8px 0; }
.meta { margin: 2px 0; color: var(--muted); font-size: .95rem; }
.intro { margin: 10px 0 0; }
h3.group { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 24px 0 8px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin: 0 0 14px; overflow: hidden; }
.card header { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px 10px; }
.num { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--surface); display: grid; place-items: center; font-weight: 700; font-size: .9rem; }
.card h3 { margin: 0; font-size: 1.08rem; line-height: 1.3; }
.dose { margin: 2px 0 0; color: var(--accent); font-weight: 600; font-size: .95rem; }
.body { padding: 0 16px 14px; }
figure { margin: 0 0 10px; }
figcaption { font-size: .8rem; color: var(--muted); margin-top: 4px; }
.video { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; padding: 0; border-radius: 10px; overflow: hidden; background: #000; cursor: pointer; }
.video img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: .85; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.play { position: absolute; inset: 0; margin: auto; width: 64px; height: 64px; border-radius: 50%; background: rgba(0,0,0,.65); color: #fff; display: grid; place-items: center; font-size: 26px; padding-left: 4px; }
.works { margin: 4px 0 8px; color: var(--muted); font-size: .95rem; }
.cues h4 { margin: 10px 0 2px; font-size: .9rem; }
.cues ul { margin: 0; padding-left: 20px; }
.cues li { margin: 2px 0; }
.avoid h4 { color: var(--avoid); }
.note { margin: 10px 0 0; padding: 8px 12px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 8px 8px 0; font-size: .95rem; }
details.easier { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
details.easier summary { cursor: pointer; font-weight: 600; color: var(--accent); margin-bottom: 8px; }
footer { margin-top: 32px; color: var(--muted); font-size: .85rem; }
footer p { margin: 6px 0; }