/* Songbiner look, shared by every page: indigo (#4f46e5) and white like the SB icon,
   with cool, slightly indigo-tinted neutrals. Pages add their own component styles. */
:root {
  --brand: #4f46e5; --on-brand: #ffffff;
  --bg: #f5f5fb; --card: #ffffff; --text: #1c1a33; --muted: #625f7d; --border: #e1e0ef;
  --accent: #4f46e5; --accent-text: #ffffff; --accent-soft: #eeedfd;
  --wave: #aaa8c6; --wave-sel: #1c1a33; --shade: rgba(245, 245, 251, 0.75); --playhead: #d6336c;
  --err-bg: #fdecea; --err: #a61b1b;
  --page-width: 680px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #13121d; --card: #1c1b2b; --text: #ecebf7; --muted: #a3a0bd; --border: #2e2c45;
    --accent: #8b85ff; --accent-text: #13121d; --accent-soft: #26244d;
    --wave: #4d4a6a; --wave-sel: #ecebf7; --shade: rgba(19, 18, 29, 0.7); --playhead: #f783ac;
    --err-bg: #3b1515; --err: #ffa8a8;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }

/* Brand bar: the SB letters and the name on indigo, across the top. */
.brand { background: var(--brand); color: var(--on-brand); }
.brand-in { max-width: var(--page-width); margin: 0 auto; padding: 14px 16px; display: flex; flex-wrap: wrap;
            align-items: center; justify-content: space-between; gap: 6px 16px; }
.brand-home { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none;
              font-weight: 700; font-size: 20px; letter-spacing: -0.01em; }
.brand-home svg { display: block; width: 34px; height: 28px; }
.brand-home:focus-visible { outline: 2px solid var(--on-brand); outline-offset: 4px; border-radius: 4px; }
.brand .who { font-size: 14px; color: rgba(255, 255, 255, 0.85); }
.brand .who a { color: inherit; }

main { max-width: var(--page-width); margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 12px; }
h2 { font-size: 18px; margin: 28px 0 8px; }
li { margin-bottom: 6px; }
.version { margin-top: 40px; font-size: 12px; color: var(--muted); }