:root {
  --bg: #10161c;
  --bg-elev: #171f28;
  --muted: #9aa8b5;
  --line: #2a3642;
  --accent: #d08a45;
  --accent-2: #5ec2b7;
  --ok: #6fbf7a;
  --warn: #d4b15a;
  --draft: #8ea0b0;
  --danger: #c77b7b;
  --serif: "Literata", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: "Manrope", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 68rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: #e8eef4;
  font-family: var(--sans);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(208,138,69,0.18), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(94,194,183,0.12), transparent 50%),
    linear-gradient(180deg, #0d1217 0%, var(--bg) 40%, #0c1116 100%);
}
a { color: var(--accent-2); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: #9fe0d8; }
.wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.top {
  position: sticky; top: 0; z-index: 5;
  backdrop-filter: blur(10px);
  background: rgba(13,18,23,0.82);
  border-bottom: 1px solid rgba(42,54,66,0.9);
}
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 0;
}
.brand {
  color: #f3f6f8; font-weight: 700; letter-spacing: 0.02em;
  text-decoration: none; font-size: 1.02rem;
}
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.92rem; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: #f3f6f8; }
.hero {
  padding: 2.6rem 0 1.6rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.6rem;
}
.hero .eyebrow {
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.14em;
  font-size: 0.75rem; font-weight: 700; margin: 0 0 0.7rem;
}
.hero h1 {
  font-family: var(--serif); font-weight: 600; font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15; margin: 0 0 0.8rem; max-width: 20ch;
}
.hero p { color: var(--muted); max-width: 42rem; margin: 0; font-size: 1.05rem; }
.layout {
  display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 1.5rem;
  padding-bottom: 3rem;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .side { position: static !important; }
}
.side {
  position: sticky; top: 4.2rem; align-self: start;
  background: rgba(23,31,40,0.72); border: 1px solid var(--line);
  border-radius: 0.7rem; padding: 0.9rem 0.95rem;
  max-height: calc(100vh - 5rem); overflow: auto;
}
.side h2 {
  margin: 0 0 0.65rem; font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--muted); font-weight: 700;
}
.side ol { list-style: none; margin: 0; padding: 0; }
.side li { margin: 0; }
.side a {
  display: block; padding: 0.38rem 0.45rem; border-radius: 0.4rem;
  color: #d7e0e8; text-decoration: none; font-size: 0.92rem;
}
.side a:hover, .side a[aria-current="page"] {
  background: rgba(208,138,69,0.14); color: #fff;
}
.side .count { color: var(--muted); font-size: 0.8rem; margin-left: 0.25rem; }
.main { min-width: 0; }
.section-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 0.85rem;
}
.section-tile {
  display: block; padding: 1rem 1rem 1.1rem; border-radius: 0.7rem;
  border: 1px solid var(--line); background: rgba(23,31,40,0.65);
  text-decoration: none; color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.section-tile:hover { border-color: rgba(208,138,69,0.55); transform: translateY(-1px); }
.section-tile strong {
  display: block; font-family: var(--serif); font-size: 1.15rem; margin-bottom: 0.35rem;
}
.section-tile .meta { color: var(--muted); font-size: 0.88rem; }
.article-list { list-style: none; margin: 0; padding: 0; }
.article-list li {
  border-top: 1px solid var(--line); padding: 0.85rem 0;
  display: grid; gap: 0.35rem;
}
.article-list a.title {
  color: #f2f6fa; text-decoration: none; font-size: 1.05rem; font-weight: 600;
}
.article-list a.title:hover { color: var(--accent-2); }
.article-list .summary { color: var(--muted); margin: 0; font-size: 0.95rem; }
.badge {
  display: inline-block; border-radius: 0.3rem; padding: 0.12rem 0.45rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
.badge.verified { background: rgba(111,191,122,0.18); color: var(--ok); }
.badge.needs_review { background: rgba(212,177,90,0.18); color: var(--warn); }
.badge.draft { background: rgba(142,160,176,0.18); color: var(--draft); }
.badge.deprecated { background: rgba(199,123,123,0.18); color: var(--danger); }
.badge.planned { background: rgba(94,194,183,0.12); color: #8fd4cc; }
.article {
  background: rgba(23,31,40,0.55); border: 1px solid var(--line);
  border-radius: 0.8rem; padding: 1.25rem 1.25rem 1.6rem;
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 0.55rem; align-items: center;
  margin: 0 0 1rem; color: var(--muted); font-size: 0.9rem;
}
.article .body {
  font-family: var(--serif); font-size: 1.08rem; line-height: 1.65; color: #e9eef3;
}
.article .body h1, .article .body h2, .article .body h3, .article .body h4 {
  font-family: var(--sans); line-height: 1.25; color: #f7fafc;
}
.article .body h1 { font-size: 1.7rem; margin-top: 0; }
.article .body h2 { font-size: 1.28rem; margin-top: 1.6rem; }
.article .body h3 { font-size: 1.1rem; margin-top: 1.3rem; }
.article .body p { margin: 0.75rem 0; }
.article .body code {
  font-family: var(--mono); font-size: 0.9em;
  background: rgba(0,0,0,0.28); padding: 0.08rem 0.28rem; border-radius: 0.25rem;
}
.article .body table {
  width: 100%; border-collapse: collapse; margin: 1rem 0; font-family: var(--sans);
  font-size: 0.95rem;
}
.article .body th, .article .body td {
  border: 1px solid var(--line); padding: 0.5rem 0.55rem; vertical-align: top;
}
.article .body th { background: rgba(0,0,0,0.25); text-align: left; }
.article .body ul, .article .body ol { padding-left: 1.25rem; }
.related {
  margin-top: 1.4rem; padding-top: 1rem; border-top: 1px solid var(--line);
}
.related h2 {
  font-size: 0.95rem; margin: 0 0 0.5rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.related ul { margin: 0; padding-left: 1.1rem; }
.planned-list { margin: 1rem 0 0; padding: 0; list-style: none; }
.planned-list li {
  color: var(--muted); padding: 0.45rem 0; border-top: 1px dashed var(--line);
  font-size: 0.95rem;
}
.footer {
  border-top: 1px solid var(--line); color: var(--muted);
  padding: 1.25rem 0 2rem; font-size: 0.88rem;
}
.notice {
  margin: 0 0 1.2rem; padding: 0.75rem 0.9rem; border-radius: 0.55rem;
  border: 1px solid rgba(208,138,69,0.35); background: rgba(208,138,69,0.08);
  color: #f0d2b0; font-size: 0.92rem;
}