/* ============================================================
   Rules Section — vincentspoolhall.com/rules
   ============================================================ */

.rules-wrapper {
  padding-top: 5rem;
}

.rules-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  max-width: 1100px;
  margin: 0 auto;
  min-height: calc(100vh - 340px);
  padding: 0 1.5rem;
}

/* ── Sidebar ─────────────────────────────────────────────── */

.rules-sidebar {
  padding: 2.5rem 1.5rem 2.5rem 0;
  position: sticky;
  top: 5rem;
  align-self: start;
  border-right: 1px solid rgba(201, 168, 76, 0.12);
}

.rules-nav {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  margin-top: 0.75rem;
}

.rules-nav-link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--color-muted);
  border-left: 2px solid transparent;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  line-height: 1.4;
}

.rules-nav-link:hover {
  color: var(--color-chalk);
  background: rgba(201, 168, 76, 0.05);
  border-left-color: rgba(201, 168, 76, 0.3);
}

.rules-nav-link.active {
  color: var(--color-gold);
  background: rgba(201, 168, 76, 0.08);
  border-left-color: var(--color-gold);
}

/* ── Main Content ────────────────────────────────────────── */

.rules-content {
  padding: 2.5rem 0 5rem 3rem;
  min-width: 0;
}

/* ── Breadcrumb ──────────────────────────────────────────── */

.rules-breadcrumb {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--color-muted);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
}

.rules-breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.rules-breadcrumb a:hover {
  color: var(--color-gold);
}

/* ── Rule Blocks ─────────────────────────────────────────── */

.rule-block {
  margin-bottom: 2.5rem;
}

.rule-id {
  display: inline-block;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-family: Georgia, 'Times New Roman', serif;
  opacity: 0.85;
  margin-bottom: 0.4rem;
}

.rule-block h3 {
  font-family: var(--font-body);
  font-size: 1.0rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.rule-block p {
  font-size: 0.9375rem;
  color: rgba(232, 223, 200, 0.82);
  line-height: 1.75;
  margin-bottom: 0.6rem;
}

.rule-block ul,
.rule-block ol {
  padding-left: 1.25rem;
  margin-top: 0.5rem;
}

.rule-block li {
  font-size: 0.9375rem;
  color: rgba(232, 223, 200, 0.82);
  line-height: 1.75;
  margin-bottom: 0.4rem;
}

.rule-divider {
  border: none;
  border-top: 1px solid rgba(201, 168, 76, 0.1);
  margin: 2.5rem 0;
}

/* ── Callout Box ─────────────────────────────────────────── */

.rule-callout {
  background: rgba(201, 168, 76, 0.06);
  border-left: 3px solid rgba(201, 168, 76, 0.45);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.rule-callout p {
  font-size: 0.9rem;
  color: var(--color-cream);
  line-height: 1.65;
  margin: 0;
}

/* ── Sub-item lists (a. b. c.) ───────────────────────────── */

.rule-sub-list {
  list-style: none;
  padding: 0;
  margin-top: 0.5rem;
}

.rule-sub-list li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  align-items: flex-start;
}

.rule-sub-label {
  flex-shrink: 0;
  color: var(--color-gold);
  opacity: 0.8;
  font-size: 0.875rem;
  line-height: 1.75;
  min-width: 1.25rem;
}

/* ── See Also ────────────────────────────────────────────── */

.rules-see-also {
  background: var(--color-surface);
  border: 1px solid rgba(201, 168, 76, 0.12);
  padding: 1.25rem 1.5rem;
  margin-top: 3rem;
}

.rules-see-also-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.rules-see-also-links a {
  font-size: 0.8rem;
  font-family: Georgia, 'Times New Roman', serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  text-decoration: none;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(201, 168, 76, 0.25);
  transition: background 0.2s, border-color 0.2s;
}

.rules-see-also-links a:hover {
  background: rgba(201, 168, 76, 0.1);
  border-color: rgba(201, 168, 76, 0.5);
}

/* ── Overview Page Cards ─────────────────────────────────── */

.rules-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.rules-card {
  background: var(--color-rail);
  border: 1px solid rgba(201, 168, 76, 0.12);
  border-radius: 2px;
  padding: 1.5rem;
  text-decoration: none;
  display: block;
  transition: border-color 0.25s;
}

.rules-card:hover {
  border-color: rgba(201, 168, 76, 0.35);
}

.rules-card-num {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  opacity: 0.8;
  margin-bottom: 0.5rem;
  font-family: Georgia, serif;
}

.rules-card-title {
  font-family: 'Vincent-Regular', Georgia, serif;
  font-size: 1.75rem;
  color: var(--color-chalk);
  margin-bottom: 0.4rem;
  line-height: 1.25;
}

.rules-card-desc {
  font-size: 0.825rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ── Glossary ────────────────────────────────────────────── */

.glossary-term {
  margin-bottom: 1.75rem;
}

.glossary-term dt {
  font-family: var(--font-body);
  font-size: 1.0rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.glossary-term dd {
  font-size: 0.9375rem;
  color: rgba(232, 223, 200, 0.82);
  line-height: 1.75;
  margin: 0;
  padding-left: 0;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 768px) {
  .rules-layout {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }

  .rules-sidebar {
    position: static;
    top: auto;
    border-right: none;
    border-bottom: 1px solid rgba(201, 168, 76, 0.12);
    padding: 1.5rem 0 1.25rem 0;
  }

  .rules-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.375rem;
  }

  .rules-nav-link {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 0.35rem 0.625rem;
    font-size: 0.75rem;
  }

  .rules-nav-link.active {
    border-left-color: transparent;
    border-bottom-color: var(--color-gold);
  }

  .rules-nav-link:hover {
    border-left-color: transparent;
    border-bottom-color: rgba(201, 168, 76, 0.4);
  }

  .rules-content {
    padding: 2rem 0 3rem 0;
  }

  .rules-card-grid {
    grid-template-columns: 1fr;
  }
}