:root {
  --blog-bg: #ffffff;
  --blog-text: #0f172a;
  --blog-muted: #475569;
  --blog-accent: #4f46e5;
  --blog-panel: #f1f5f9;
  --blog-border: #cbd5e1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --blog-bg: #020617;
    --blog-text: #e2e8f0;
    --blog-muted: #94a3b8;
    --blog-accent: #a5b4fc;
    --blog-panel: #0f172a;
    --blog-border: #334155;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--blog-bg); color: var(--blog-text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 44rem; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
a { color: var(--blog-accent); }
h1 { font-size: 2rem; line-height: 1.2; margin: 0.5rem 0; }
.blog-banner { margin: 0; padding: 0.5rem 1rem; background: #fef3c7; color: #78350f; text-align: center; font-weight: 600; }
.blog-article__meta, .blog-article__back, .blog-player__note, .blog-player__disclosure { color: var(--blog-muted); font-size: 0.9rem; }
.blog-player { margin: 1.5rem 0; padding: 1rem; border: 1px solid var(--blog-border); border-radius: 0.75rem; background: var(--blog-panel); }
.blog-player__title { margin: 0 0 0.25rem; font-size: 1.15rem; }
.blog-player__controls { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-top: 0.75rem; }
.blog-player__play { min-width: 5.5rem; min-height: 2.75rem; border: 0; border-radius: 999px; background: var(--blog-accent); color: #fff; font-weight: 600; cursor: pointer; }
.blog-player__play:disabled { opacity: 0.5; cursor: not-allowed; }
.blog-player__seek { flex: 1 1 10rem; min-height: 2.75rem; }
.blog-player__time, .blog-player__counter { font-variant-numeric: tabular-nums; color: var(--blog-muted); font-size: 0.9rem; }
.blog-player__transcript li[aria-current="true"] { background: rgba(79, 70, 229, 0.12); border-radius: 0.25rem; }
.blog-index__list { list-style: none; padding: 0; }
.blog-index__list li { padding: 0.75rem 0; border-bottom: 1px solid var(--blog-border); }
.blog-optin { margin-top: 2rem; padding: 1rem; border: 1px solid var(--blog-border); border-radius: 0.75rem; }
.blog-optin__form { display: grid; gap: 0.5rem; }
:focus-visible { outline: 3px solid var(--blog-accent); outline-offset: 2px; }