/* Shared styles for AutoTiers static content pages (guides, glossary, FAQ).
 * Linked from every page under web/public/ that is part of the content library.
 * privacy.html and terms.html keep their own inline styles and do not use this.
 * Palette and typography mirror privacy.html so the content pages read as one
 * site with the legal pages and the app. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #555555;
  --border: #e2e8f0;
  --link: #2563eb;
  --card: #f8fafc;
  --accent: #0f766e;
  --penalty: #b91c1c;
  --boost: #15803d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --fg: #f1f5f9;
    --muted: #94a3b8;
    --border: #1e293b;
    --link: #60a5fa;
    --card: #161a23;
    --accent: #2dd4bf;
    --penalty: #f87171;
    --boost: #4ade80;
  }
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
  padding: 2.5rem 1.5rem 6rem;
}

.container { max-width: 720px; margin: 0 auto; }

.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 2rem;
}
.breadcrumb a { color: var(--link); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 0.4rem; }

h1 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 0.6rem;
  padding-top: 0.5rem;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
}

p { margin-bottom: 0.9rem; }

ul, ol { padding-left: 1.3rem; margin-bottom: 0.9rem; }
li { margin-bottom: 0.35rem; }

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

strong { font-weight: 600; }

code {
  font-family: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, monospace;
  font-size: 0.85em;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.05rem 0.3rem;
}

/* A rule explainer block: name + effect badge + prose. */
.rule {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.rule h3 { margin-top: 0; }
.effect {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.effect.penalty { color: var(--penalty); border: 1px solid var(--penalty); }
.effect.boost { color: var(--boost); border: 1px solid var(--boost); }
.effect.flag { color: var(--muted); border: 1px solid var(--muted); }

/* Definition list for the glossary. */
dl { margin-bottom: 1rem; }
dt { font-weight: 600; margin-top: 1.4rem; }
dd { margin-left: 0; color: var(--fg); }

/* Card grid used on the hub page and "related guides" footers. */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
  margin: 1.25rem 0 0.5rem;
}
.card {
  display: block;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--link); }
.card .card-title { font-weight: 600; color: var(--link); display: block; margin-bottom: 0.25rem; }
.card .card-desc { font-size: 0.88rem; color: var(--muted); }

.related {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.related h2 { margin-top: 0; font-size: 1.1rem; }

.back {
  display: inline-block;
  margin-top: 2.5rem;
  color: var(--link);
  text-decoration: none;
  font-size: 0.9rem;
}
.back:hover { text-decoration: underline; }

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}
footer a { color: var(--link); }