:root {
  --bg: #f6f3ee;
  --bg-accent: #efe9e1;
  --ink: #1e1c18;
  --muted: #6b645b;
  --accent: #0b5d5d;
  --accent-2: #2f7e6b;
  --card: #ffffff;
  --border: #e1d9cf;
  --shadow: 0 14px 35px rgba(20, 18, 14, 0.08);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Newsreader", Georgia, serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #faf7f2 0%, var(--bg) 45%, #f1ebe4 100%);
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  background: linear-gradient(135deg, #fff8ef, #f4efe6 60%, #e9e2d7 100%);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 8px);
  padding: 32px;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-size: 42px;
  margin: 10px 0 12px;
}

.hero .lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin: 22px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--ink);
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: var(--accent);
  color: white;
  border-color: transparent;
}

.button.secondary {
  background: transparent;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(20, 18, 14, 0.12);
}

.hero-panel {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  align-self: start;
}

.hero-meta {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

.panel-note {
  font-size: 13px;
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  margin-top: 36px;
}

.sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
}

.sidebar-title {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-weight: 600;
  margin-bottom: 8px;
}

.sidebar a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  padding: 4px 0;
}

.sidebar a.active {
  color: var(--accent);
  font-weight: 600;
}

main section {
  margin-bottom: 48px;
}

h2, h3 {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
}

h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

p {
  line-height: 1.6;
  color: var(--muted);
}

pre {
  background: #1e1b17;
  color: #f5f0ea;
  padding: 16px;
  border-radius: 12px;
  overflow: auto;
}

pre code {
  display: block;
  line-height: 1.5;
}

pre code .tok-comment {
  color: #a59a8a;
  font-style: italic;
}

pre code .tok-string {
  color: #d6c97f;
}

pre code .tok-keyword {
  color: #8fd3ff;
  font-weight: 600;
}

pre code .tok-var {
  color: #f5b27d;
}

pre code .tok-number {
  color: #cfa6ff;
}

pre code .tok-op {
  color: #f3d6b1;
}

pre code .tok-tag {
  color: #ff9f93;
  font-weight: 600;
}

pre code .tok-flag {
  color: #7fe0c7;
}

pre code .tok-func {
  color: #f0eee9;
  font-weight: 600;
}

code {
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.95em;
}

.key-value {
  display: grid;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.ruleset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.ruleset-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.ruleset-card h3 {
  margin-top: 0;
}

.ruleset-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.rule-search {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 12px 0 24px;
}

#rule-filter {
  flex: 1 1 320px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
}

.rule-count {
  font-size: 13px;
  color: var(--muted);
}

.ruleset {
  margin-bottom: 36px;
}

.ruleset-desc {
  margin-top: 0;
}

.rule-grid {
  display: grid;
  gap: 12px;
}

.rule-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  padding: 12px 16px;
}

.rule-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.rule-card summary::-webkit-details-marker {
  display: none;
}

.rule-name {
  font-weight: 700;
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
}

.rule-tags {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  background: var(--bg-accent);
  color: var(--muted);
  padding: 4px 8px;
  border-radius: 999px;
}

.rule-body {
  padding-top: 10px;
}

.rule-meta {
  display: grid;
  gap: 6px;
  margin: 10px 0;
  font-size: 14px;
  color: var(--muted);
}

.rule-notes {
  font-size: 14px;
  color: var(--muted);
}

.hidden {
  display: none !important;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: relative;
    top: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  .sidebar a {
    font-size: 13px;
  }
}

.rule-section {
  margin: 16px 0;
}

.rule-section h4 {
  margin: 0 0 6px;
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-size: 16px;
}

.rule-section pre {
  margin: 0;
}