/* Shared styles for Contraction Timer guides (/guides/*).
   Palette mirrors public/faq.html, which scores Lighthouse accessibility 100;
   text colors meet WCAG AA contrast. Self-hosted, no external requests. */
:root {
  --bg: #f5f5f0; --surface: #fff; --ink: #43432f; --ink-soft: #5a5a48;
  --muted: #6f6a58; --border: #e3ddcf; --accent: #a0603f; --accent-ink: #8f4f30;
  --warn-bg: #fff5f5; --warn-border: #f0c9c9; --warn-ink: #9a3b3b;
  --note-bg: #f2f8fc; --note-border: #d6e7f5; --note-ink: #2a5b82;
  --th-bg: #f2efe7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17160f; --surface: #211f16; --ink: #ece9df; --ink-soft: #d7d3c6;
    --muted: #aca691; --border: #3a3830; --accent: #e0ad91; --accent-ink: #eeab86;
    --warn-bg: #2b1717; --warn-border: #4e2727; --warn-ink: #f0a0a0;
    --note-bg: #15212c; --note-border: #27394b; --note-ink: #a2c8e5;
    --th-bg: #29271d;
  }
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65; -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
a { color: var(--accent-ink); }
header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.25rem; }
.badge { width: 2.2rem; height: 2.2rem; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.brand { font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.7rem, 5vw, 2.3rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0.5rem 0 0.5rem; }
.lede { color: var(--ink-soft); font-size: 1.05rem; margin: 0 0 1rem; }
.meta { color: var(--muted); font-size: 0.85rem; margin: 0 0 1.25rem; }
.cta { display: inline-block; background: #5a5a40; color: #fff; text-decoration: none; font-weight: 600; padding: 0.7rem 1.3rem; border-radius: 0.8rem; }
@media (prefers-color-scheme: dark) { .cta { background: #70704e; } }
.disclaimer { background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-ink); border-radius: 0.9rem; padding: 1rem 1.1rem; font-size: 0.95rem; margin: 1.5rem 0; }
.disclaimer strong { color: var(--warn-ink); }
.callout { background: var(--note-bg); border: 1px solid var(--note-border); color: var(--note-ink); border-radius: 0.9rem; padding: 1rem 1.1rem; font-size: 0.97rem; margin: 1.5rem 0; }
.callout strong { color: var(--note-ink); }
h2 { font-size: 1.35rem; letter-spacing: -0.01em; margin: 2.25rem 0 0.5rem; scroll-margin-top: 1rem; }
h3 { font-size: 1.08rem; margin: 1.5rem 0 0.35rem; }
p, li { color: var(--ink-soft); }
p { margin: 0.6rem 0; }
ul, ol { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }
strong { color: var(--ink); }
section { margin-top: 1rem; }
.table-scroll { overflow-x: auto; margin: 1.25rem 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; min-width: 30rem; }
caption { text-align: left; color: var(--muted); font-size: 0.85rem; margin-bottom: 0.5rem; }
th, td { border: 1px solid var(--border); padding: 0.6rem 0.75rem; text-align: left; vertical-align: top; }
th { background: var(--th-bg); color: var(--ink); font-weight: 700; }
.faq-item { padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: 0; }
.faq-item h2 { font-size: 1.15rem; margin: 0 0 0.35rem; }
.related { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.related h2 { font-size: 1.1rem; margin-top: 0; }
.related ul { list-style: none; padding: 0; }
.related a { font-weight: 600; }
.refs { margin-top: 2rem; font-size: 0.9rem; }
.refs h2 { font-size: 1.1rem; }
.refs ol { color: var(--muted); }
.refs a { color: var(--accent-ink); }
.backlink { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
footer { margin-top: 2.5rem; color: var(--muted); font-size: 0.85rem; }
nav.crumbs { font-size: 0.85rem; color: var(--muted); margin-bottom: 1rem; }
nav.crumbs a { color: var(--muted); }