/* laranevans.com — default theme.
 * Restrained palette, paper-like reading surface, serif body for content. */

:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --faint: #a3a09a;
  --border: #e5e3df;
  --border-strong: #d4d2cd;
  --accent: #2c5f5d;
  --accent-soft: #e7efee;
  --code-bg: #f5f3ee;
  --tag-bg: #efece5;
  --broken: #b04545;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Iowan Old Style', 'Charter', Georgia, 'Source Serif Pro', serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.brand, .nav, .crumb, .meta, .toc, .panel-title,
.tag, .footer, .topbar, .backlink, button, input {
  font-family: -apple-system, system-ui, 'Segoe UI', sans-serif;
}

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 56px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.brand-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: 1px;
}
.topbar-spacer { flex: 1; }

/* ── Layout ──────────────────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 320px;
  max-width: 1440px;
  margin: 0 auto;
}

@media (max-width: 1200px) {
  .shell { grid-template-columns: 240px minmax(0, 1fr); }
  .rail { display: none; }
}
@media (max-width: 800px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .nav { display: none; }
}

/* ── Left nav ────────────────────────────────────────────── */
.nav {
  padding: 28px 16px 28px 24px;
  border-right: 1px solid var(--border);
  font-size: 13.5px;
  min-height: calc(100vh - 56px);
}
.nav-home {
  display: block;
  padding: 4px 8px;
  margin: 0 -8px 14px;
  color: var(--text);
  text-decoration: none;
  border-radius: 4px;
  font-size: 13.5px;
}
.nav-home.is-current { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-list .nav-list { padding-left: 14px; }
.nav-item { line-height: 1.4; margin: 1px 0; }
.nav-item > a,
.nav-item > .nav-label {
  display: block;
  padding: 4px 8px;
  margin: 0 -8px;
  color: var(--text);
  text-decoration: none;
  border-radius: 4px;
}
.nav-item > a:hover { background: var(--surface); }
.nav-item.is-current > a {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}
.nav-item.is-ancestor > a { color: var(--text); font-weight: 500; }
.nav-item > .nav-label {
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  padding-top: 14px;
  padding-bottom: 4px;
}
.nav-level-0 > .nav-item > a {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 12px;
  color: var(--muted);
}
.nav-level-0 > .nav-item.is-current > a,
.nav-level-0 > .nav-item.is-ancestor > a { color: var(--accent); }

/* ── Content ─────────────────────────────────────────────── */
.content {
  padding: 40px 56px 80px;
  max-width: 760px;
}
.crumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
}
.crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
}
.crumb .sep { margin: 0 6px; color: var(--faint); }

.page-header h1 {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0 0 14px;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 36px;
  font-size: 12px;
}
.tag {
  padding: 3px 9px;
  background: var(--tag-bg);
  color: var(--muted);
  border-radius: 4px;
  font-size: 11.5px;
  letter-spacing: 0.01em;
}
.tag-pillar { color: var(--accent); background: var(--accent-soft); }
.tag-status-stable { color: #2c5f5d; background: #e7efee; }
.tag-status-evolving { color: #8a6a1f; background: #f6efdc; }
.tag-status-draft { color: #b04545; background: #f6dada; }
.tag-status-archived { color: var(--faint); background: var(--tag-bg); }
.tag-date { color: var(--faint); background: transparent; padding-left: 0; }

/* ── Page body typography ─────────────────────────────────── */
.page-body { font-size: 17px; }
.page-body h2,
.page-body h3,
.page-body h4 { scroll-margin-top: 72px; position: relative; }
.page-body h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 42px 0 10px;
}
.page-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 26px 0 8px;
}
.page-body h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  margin: 22px 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.page-body p { margin: 0 0 16px; }
.page-body ul, .page-body ol { margin: 0 0 16px; padding-left: 24px; }
.page-body li { margin-bottom: 6px; }

.page-body a { color: var(--accent); text-decoration: none; border-bottom: 1px dotted var(--accent); }
.page-body a:hover { background: var(--accent-soft); }
.page-body a.broken-link {
  color: var(--broken);
  border-bottom: 1px dashed var(--broken);
}
.page-body a.broken-link:hover { background: #f6dada; }
.page-body a.wikilink { font-style: normal; }

.page-body code {
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 13.5px;
}
.page-body pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  overflow-x: auto;
  margin: 18px 0 24px;
  font-family: 'JetBrains Mono', Menlo, monospace;
  font-size: 13px;
  line-height: 1.55;
}
.page-body pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

.page-body blockquote {
  border-left: 3px solid var(--border-strong);
  margin: 16px 0;
  padding: 2px 0 2px 16px;
  color: var(--muted);
  font-style: italic;
}

.page-body table {
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}
.page-body th, .page-body td {
  border: 1px solid var(--border);
  padding: 6px 12px;
  text-align: left;
}
.page-body th {
  background: var(--tag-bg);
  font-weight: 600;
  font-family: -apple-system, system-ui, sans-serif;
}

/* Heading anchor affordance on hover */
.page-body h2 > a.header-anchor,
.page-body h3 > a.header-anchor,
.page-body h4 > a.header-anchor {
  color: var(--faint);
  text-decoration: none;
  border: none;
  font-size: 0.7em;
  opacity: 0;
  margin-left: 8px;
  transition: opacity 0.12s ease;
}
.page-body h2:hover > a.header-anchor,
.page-body h3:hover > a.header-anchor,
.page-body h4:hover > a.header-anchor {
  opacity: 1;
  color: var(--accent);
}

/* Folder note "in this folder" list */
.folder-children { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }
.folder-children h2 { margin-top: 0; }
.folder-children-list { list-style: none; padding: 0; }
.folder-children-list li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.folder-children-list a { color: var(--accent); text-decoration: none; }
.folder-children-list .hint {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  margin-left: 8px;
  font-family: -apple-system, system-ui, sans-serif;
}

/* ── Right rail ──────────────────────────────────────────── */
.rail {
  padding: 40px 24px 40px 16px;
  border-left: 1px solid var(--border);
  font-size: 13px;
}
.panel { margin-bottom: 36px; }
.panel-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--faint);
  margin: 0 0 10px;
  font-weight: 600;
}

.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list .toc-list { padding-left: 14px; }
.toc-item > a {
  display: block;
  padding: 4px 0 4px 10px;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.35;
  border-left: 2px solid transparent;
  margin-left: -10px;
}
.toc-item > a:hover { color: var(--text); }
.toc-level-3 > a { padding-left: 22px; font-size: 12.5px; }

.backlinks { list-style: none; padding: 0; margin: 0; }
.backlinks li { padding: 3px 0; }
.backlink {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px dotted transparent;
}
.backlink:hover { border-bottom-color: var(--accent); }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 18px 24px;
  font-size: 12px;
  color: var(--faint);
  text-align: center;
  background: var(--surface);
  font-family: -apple-system, system-ui, sans-serif;
}

/* ── Pygments overrides ──────────────────────────────────── */
.highlight .k, .highlight .kn, .highlight .kd { color: #7d4e91; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sa { color: #4a7a3a; }
.highlight .c, .highlight .c1, .highlight .cm { color: #999; font-style: italic; }
.highlight .nf, .highlight .nc { color: #2c5f5d; }
.highlight .mi, .highlight .mf { color: #d4a373; }
.highlight .n { color: #1a1a1a; }

/* ── Mermaid placeholder (Phase 2 renders these) ─────────── */
.mermaid-source {
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  color: var(--muted);
  font-size: 12px;
  position: relative;
}
.mermaid-source::before {
  content: "Mermaid (Phase 2)";
  position: absolute;
  top: 6px;
  right: 10px;
  font-family: -apple-system, system-ui, sans-serif;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
}