:root {
  --bg: #fafaf9;
  --fg: #1c1c1c;
  --muted: #6b6b6b;
  --card-bg: #ffffff;
  --border: #e2e2e0;
  --link: #0a5ada;
  --code-bg: #f0f0ee;
  --ready-bg: #d7f3dc;
  --ready-fg: #146c2e;
  --exp-bg: #fdecc8;
  --exp-fg: #8a5a00;
  --mostly-bg: #dcecfb;
  --mostly-fg: #1a5ca8;
  --callout-bg: #fdf6e3;
  --callout-border: #e8d190;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a;
    --fg: #eaeaea;
    --muted: #9a9a9a;
    --card-bg: #1f2023;
    --border: #333438;
    --link: #6ea8fe;
    --code-bg: #232427;
    --ready-bg: #163524;
    --ready-fg: #7be3a1;
    --exp-bg: #3a2e12;
    --exp-fg: #f0c064;
    --mostly-bg: #17324e;
    --mostly-fg: #8dc3f7;
    --callout-bg: #2c260f;
    --callout-border: #5c4d1c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

h1 { font-size: 1.8rem; margin-bottom: 4px; }
.sub { color: var(--muted); margin-top: 0; }

a { color: var(--link); }

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

@media (min-width: 620px) {
  .cards { grid-template-columns: 1fr 1fr; }
}

.card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--link); }
.card h2 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 2px 9px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
  white-space: nowrap;
}
.badge-ready { background: var(--ready-bg); color: var(--ready-fg); }
.badge-experimental { background: var(--exp-bg); color: var(--exp-fg); }
.badge-mostly { background: var(--mostly-bg); color: var(--mostly-fg); }

.page-badge { margin: 6px 0 18px; }

.footer { margin-top: 40px; color: var(--muted); font-size: 0.85rem; }

.markdown-body h1 { font-size: 1.6rem; }
.markdown-body h2 { margin-top: 2em; border-bottom: 1px solid var(--border); padding-bottom: 4px; }
.markdown-body code, .markdown-body pre {
  background: var(--code-bg);
  border-radius: 6px;
}
.markdown-body pre { padding: 12px; overflow-x: auto; }
.markdown-body ul { padding-left: 1.3em; }
.markdown-body li { margin: 4px 0; }
.markdown-body input[type="checkbox"] { margin-right: 6px; }
.markdown-body blockquote {
  background: var(--callout-bg);
  border: 1px solid var(--callout-border);
  border-radius: 8px;
  margin: 16px 0;
  padding: 10px 14px;
  color: var(--fg);
}
.markdown-body blockquote p { margin: 0; }

.markdown-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 14px 0;
  font-size: 0.92rem;
}
.markdown-body th, .markdown-body td {
  border: 1px solid var(--border);
  padding: 7px 10px;
  text-align: left;
  vertical-align: top;
}
.markdown-body th { background: var(--code-bg); }