:root {
  color-scheme: dark light;
  --bg: #0f1115;
  --fg: #e8eaed;
  --muted: #9aa0a6;
  --accent: #7aa2ff;
  --card: #1a1d24;
  --border: #2a2f3a;
  --active: rgba(122, 162, 255, 0.14);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --fg: #1a1d24;
    --muted: #5f6368;
    --accent: #2f5bff;
    --card: #ffffff;
    --border: #e2e5eb;
    --active: rgba(47, 91, 255, 0.1);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 17px/1.55 -apple-system, system-ui, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--fg);
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 42rem; margin: 0 auto; padding: 1.25rem 1.1rem 7.5rem; }
.eyebrow { letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-size: 0.75rem; margin: 0; }
h1 { font-size: 1.55rem; margin: 0.25rem 0 0.5rem; line-height: 1.25; }
.lede { color: var(--muted); margin: 0 0 1.25rem; }
.list { list-style: none; padding: 0; margin: 0; }
.list a {
  display: block;
  padding: 0.9rem 1rem;
  margin-bottom: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--fg);
  text-decoration: none;
}
.list a:hover { border-color: var(--accent); }
.player {
  position: sticky; top: 0; z-index: 5;
  display: flex; flex-wrap: wrap; gap: 0.45rem; align-items: center;
  padding: 0.7rem;
  margin: 0 0 1rem;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 14px;
}
.player button, .player select {
  font: inherit; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--fg); padding: 0.55rem 0.75rem; cursor: pointer;
  min-height: 44px;
}
.player button.primary { background: var(--accent); color: #fff; border-color: transparent; }
.player .status { flex: 1 1 100%; color: var(--muted); font-size: 0.85rem; }
.player .seek-row {
  flex: 1 1 100%;
  display: flex; align-items: center; gap: 0.6rem;
}
.player input[type="range"] { flex: 1; min-width: 0; }
.player .prog { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 0.85rem; min-width: 3.5rem; text-align: right; }
article section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
  margin: 0.75rem 0;
  background: var(--card);
  transition: background 0.15s ease, border-color 0.15s ease;
}
article section.active {
  border-color: var(--accent);
  background: var(--active);
  box-shadow: inset 3px 0 0 var(--accent);
}
h2 { font-size: 1.1rem; margin: 0 0 0.35rem; }
a { color: var(--accent); }
.hint { color: var(--muted); font-size: 0.85rem; margin: 0 0 1rem; }