/* Aureum Wiki — editorial, theme-aware */
:root,
[data-theme="dark"] {
  --bg: #1A1A1C;
  --bg-2: #232326;
  --bg-3: #2B2B2F;
  --ink: #F5F1E8;
  --ink-dim: #C7C0B0;
  --ink-mute: #8F897C;
  --gold: #D4B06F;
  --gold-dim: #A38751;
  --line: #35353A;
  --header-bg: #111114;
  --serif: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
}

[data-theme="light"] {
  --bg: #FAF7F0;
  --bg-2: #F3EEE2;
  --bg-3: #EAE4D4;
  --ink: #1F1D18;
  --ink-dim: #4A463E;
  --ink-mute: #8A8374;
  --gold: #8A6A28;
  --gold-dim: #6E531B;
  --line: #D8D1BF;
  --header-bg: #F3EEE2;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s ease, color .2s ease;
}

/* Theme toggle */
.theme-toggle {
  appearance: none;
  background: transparent;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: color .15s, border-color .15s, background-color .15s;
}
.theme-toggle:hover { color: var(--gold); border-color: var(--gold); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="light"] .theme-toggle .icon-sun { display: inline; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 3px; }

/* Header */
.site-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 18px 40px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 100;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-flex; width: 34px; height: 34px;
  align-items: center; justify-content: center;
  border: 1px solid var(--gold); color: var(--gold);
  font-family: var(--serif); font-weight: 600; font-size: 20px;
  letter-spacing: 0.05em;
}
.brand-name {
  font-family: var(--sans); font-weight: 500; color: var(--ink);
  font-size: 14px; letter-spacing: 0.25em; text-transform: uppercase;
}
.brand-name em { color: var(--gold); font-style: italic; font-weight: 400; letter-spacing: 0.1em; }

.search { position: relative; max-width: 520px; width: 100%; justify-self: center; }
.search input {
  width: 100%;
  background: var(--bg-2);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 10px 16px;
  font-family: var(--sans); font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.search input:focus { border-color: var(--gold); }
.search-results {
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--bg-2); border: 1px solid var(--line);
  max-height: 420px; overflow: auto;
  margin-top: 4px; z-index: 200;
}
.search-results .hit {
  display: block; padding: 12px 16px; border-bottom: 1px solid var(--line);
  color: var(--ink); text-decoration: none;
}
.search-results .hit:hover { background: var(--bg-3); text-decoration: none; }
.search-results .hit .h-title { font-weight: 500; color: var(--ink); }
.search-results .hit .h-meta { color: var(--ink-mute); font-size: 12px; margin-top: 2px; text-transform: uppercase; letter-spacing: 0.1em; }
.search-results .empty { padding: 16px; color: var(--ink-mute); text-align: center; }

.top-nav { display: flex; gap: 24px; }
.top-nav a { color: var(--ink-dim); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; }
.top-nav a:hover { color: var(--gold); text-decoration: none; }

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  max-width: 1400px; margin: 0 auto;
  min-height: calc(100vh - 130px);
}
.sidebar {
  padding: 32px 24px; border-right: 1px solid var(--line);
  background: var(--bg);
}
.sidebar-title {
  font-family: var(--sans); font-size: 11px;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--ink-mute); margin: 0 0 16px;
}
.cat { border-bottom: 1px solid var(--line); padding: 8px 0; }
.cat summary {
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; padding: 6px 0; font-weight: 500;
  list-style: none; color: var(--ink);
}
.cat summary::-webkit-details-marker { display: none; }
.cat summary:hover { color: var(--gold); }
.cat .count { color: var(--ink-mute); font-size: 12px; font-variant-numeric: tabular-nums; }
.cat ul { list-style: none; padding: 6px 0 10px 4px; margin: 0; }
.cat li { padding: 3px 0; font-size: 13.5px; line-height: 1.4; }
.cat li a { color: var(--ink-dim); }
.cat li a:hover { color: var(--gold); text-decoration: none; }
.cat li.active a { color: var(--gold); border-left: 2px solid var(--gold); padding-left: 8px; margin-left: -10px; }

/* Subcategories (e.g. content/substack, content/linkedin) */
.subcat { margin: 6px 0 6px 6px; border-left: 1px solid var(--line); padding-left: 10px; }
.subcat summary {
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; padding: 4px 0;
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-mute); font-weight: 500; list-style: none;
}
.subcat summary::-webkit-details-marker { display: none; }
.subcat summary:hover { color: var(--gold); }
.subcat .count { font-size: 11px; }
.subcat ul { padding: 4px 0 8px 0; }
.subcat li { font-size: 13px; padding: 2px 0; }
.subcat li.empty-note { color: var(--ink-mute); font-style: italic; font-size: 12px; }
.subcat .overview-link { color: var(--gold-dim); font-size: 12px; }

/* Content */
.content {
  padding: 48px 64px;
  max-width: 920px;
}

/* Breadcrumb */
.breadcrumb {
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-mute); margin-bottom: 24px;
}
.breadcrumb a { color: var(--ink-dim); }
.breadcrumb span { color: var(--gold); }

/* Page/article head */
.eyebrow {
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin: 0 0 8px;
}
.page-head, .article-head, .hero {
  border-bottom: 1px solid var(--line); padding-bottom: 24px; margin-bottom: 32px;
}
h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: 48px; line-height: 1.1; margin: 0 0 12px; letter-spacing: -0.01em;
}
.hero h1 { font-size: 64px; }
.tagline {
  font-family: var(--serif); font-style: italic; font-size: 22px;
  color: var(--gold); margin: 8px 0 16px;
}
.lede { color: var(--ink-dim); font-size: 16px; max-width: 640px; }
.page-desc { color: var(--ink-dim); font-size: 16px; max-width: 640px; margin-top: 8px; }

.article-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  color: var(--ink-mute); font-size: 12px; letter-spacing: 0.05em;
  text-transform: uppercase;
}
.article-meta .sep { color: var(--line); }
.summary {
  font-family: var(--serif); font-style: italic; font-size: 20px;
  color: var(--ink); line-height: 1.5; margin: 20px 0 0;
  padding-left: 20px; border-left: 2px solid var(--gold);
}

/* Badges */
.badge {
  display: inline-block; padding: 3px 10px; font-size: 10px;
  letter-spacing: 0.15em; text-transform: uppercase; font-weight: 500;
  border: 1px solid;
}
.badge-high { color: var(--gold); border-color: var(--gold); }
.badge-medium { color: var(--ink-dim); border-color: var(--ink-dim); }
.badge-low { color: var(--ink-mute); border-color: var(--ink-mute); }

/* Article body (Wikipedia-style, 720px-ish column) */
.article-body {
  font-family: var(--serif);
  font-size: 18px; line-height: 1.7;
  max-width: 720px;
}
.article-body p { margin: 0 0 18px; }
.article-body h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: 28px; margin: 40px 0 14px;
  border-bottom: 1px solid var(--line); padding-bottom: 6px;
}
.article-body h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: 22px; margin: 28px 0 10px;
  color: var(--gold);
}
.article-body h4 {
  font-family: var(--sans); font-size: 13px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-mute); margin: 24px 0 8px;
}
.article-body blockquote {
  font-family: var(--serif); font-style: italic;
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 20px;
  color: var(--ink-dim);
  margin: 20px 0;
}
.article-body ul, .article-body ol { padding-left: 24px; margin: 0 0 20px; }
.article-body li { margin: 6px 0; }
.article-body hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.article-body code {
  font-family: 'SF Mono', Menlo, monospace; font-size: 0.85em;
  background: var(--bg-2); padding: 2px 6px; color: var(--gold-dim);
  border: 1px solid var(--line);
}
.article-body pre {
  background: var(--bg-2); border: 1px solid var(--line);
  padding: 16px; overflow: auto; font-size: 13px;
}
.article-body pre code { background: transparent; border: 0; padding: 0; color: var(--ink); }
.article-body table {
  width: 100%; border-collapse: collapse; margin: 20px 0; font-family: var(--sans); font-size: 14px;
}
.article-body th, .article-body td {
  border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top;
}
.article-body th { color: var(--gold); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; }
.article-body a { border-bottom: 1px dotted var(--gold-dim); }
.article-body a:hover { text-decoration: none; border-bottom-color: var(--gold); }
.article-body strong { color: var(--ink); font-weight: 600; }

/* Article aside (right panel) */
.article-aside {
  margin-top: 48px;
  border-top: 1px solid var(--line); padding-top: 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  max-width: 720px;
}
.article-aside h4 {
  font-family: var(--sans); font-size: 11px;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--ink-mute); margin: 0 0 10px;
}
.article-aside ul { list-style: none; padding: 0; margin: 0; }
.article-aside li { padding: 4px 0; font-size: 13.5px; }
.article-aside code { font-size: 12px; color: var(--ink-dim); background: none; border: 0; padding: 0; font-family: 'SF Mono', Menlo, monospace; }

/* Homepage */
.categories-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
  margin: 32px 0 48px;
}
.cat-card {
  display: block; background: var(--bg-2); border: 1px solid var(--line);
  padding: 24px; color: var(--ink);
  transition: border-color .15s;
}
.cat-card:hover { border-color: var(--gold); text-decoration: none; }
.cat-head {
  display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 14px;
}
.cat-head h3 { font-family: var(--serif); font-weight: 500; font-size: 24px; margin: 0; }
.count-pill {
  color: var(--gold); font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase;
}
.cat-card ul { list-style: none; padding: 0; margin: 0; }
.cat-card li { padding: 4px 0; font-size: 14px; color: var(--ink-dim); }
.cat-card li a { color: var(--ink-dim); }
.cat-card li a:hover { color: var(--gold); text-decoration: none; }
.cat-card li.more { color: var(--gold); font-size: 12px; letter-spacing: 0.1em; padding-top: 10px; }

/* Article list (category page) */
.article-list { list-style: none; padding: 0; margin: 0; }
.article-list li { border-bottom: 1px solid var(--line); }
.article-list li a {
  display: block; padding: 20px 0; color: var(--ink);
}
.article-list li a:hover { text-decoration: none; background: var(--bg-2); padding-left: 12px; padding-right: 12px; }
.article-list .row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.article-list h3 { font-family: var(--serif); font-weight: 500; font-size: 22px; margin: 0; color: var(--ink); }
.article-list p { color: var(--ink-dim); margin: 6px 0 0; font-size: 15px; }
.article-list .meta { color: var(--ink-mute); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; margin-top: 10px; }

/* Recent activity */
.recent { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 24px; }
.recent h2 { font-family: var(--serif); font-weight: 500; font-size: 24px; margin: 0 0 16px; }
.log-list { list-style: none; padding: 0; margin: 0; }
.log-list li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--ink-dim); }
.log-date { color: var(--gold); font-family: 'SF Mono', Menlo, monospace; font-size: 12px; margin-right: 10px; }
.log-op { color: var(--ink); font-weight: 500; margin-right: 8px; text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; }
.more-link { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 40px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  color: var(--ink-mute); font-size: 12px; letter-spacing: 0.08em;
  background: var(--header-bg);
}
.site-footer em { color: var(--gold); font-style: italic; }
.site-footer a { color: var(--ink-dim); }

/* Responsive */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .content { padding: 32px 24px; }
  .categories-grid { grid-template-columns: 1fr; }
  .site-header { grid-template-columns: 1fr; gap: 12px; padding: 16px 20px; }
  .search { max-width: none; }
  h1 { font-size: 36px; }
  .hero h1 { font-size: 44px; }
  .article-aside { grid-template-columns: 1fr; gap: 24px; }
}