:root {
  --bg: #0b1320;
  --bg-2: #0e1828;
  --panel: #0f1c2e;
  --border: #1d2d44;
  --border-soft: #16243a;
  --text: #e8eef6;
  --muted: #93a4bb;
  --faint: #66788f;
  --amber: #f7b955;
  --amber-deep: #e89a2b;
  --coral: #ff7a8c;
  --code-bg: #070f1a;
  --radius: 14px;
  --maxw: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Fira Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(900px 500px at 16% -8%, rgba(247,185,85,0.10), transparent 60%),
    radial-gradient(700px 500px at 100% 0%, rgba(255,122,140,0.06), transparent 55%);
  background-attachment: fixed;
}

.grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip {
  position: absolute; left: -999px; top: 0; background: var(--amber);
  color: #1b1206; padding: 8px 14px; border-radius: 0 0 8px 0; z-index: 100;
}
.skip:focus { left: 0; }

a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: 286px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border-right: 1px solid var(--border);
  padding: 26px 20px 18px; overflow-y: auto; z-index: 5;
  display: flex; flex-direction: column;
}

.brand { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  font-family: "Fira Mono", monospace; color: var(--amber);
  font-size: 15px; letter-spacing: -1px;
  border: 1px solid var(--border); padding: 5px 8px; border-radius: 8px;
  background: var(--code-bg);
}
.brand-name {
  font-family: "Fraunces", serif; font-weight: 600; font-size: 19px;
  color: var(--text); letter-spacing: 0.2px;
}

.search { position: relative; margin-bottom: 24px; }
.search input {
  width: 100%; background: var(--code-bg); border: 1px solid var(--border);
  color: var(--text); font-family: "Fira Mono", monospace; font-size: 13px;
  padding: 10px 30px 10px 12px; border-radius: 10px; outline: none;
}
.search input::placeholder { color: var(--faint); }
.search input:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(247,185,85,0.12); }
.search-key {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font-family: "Fira Mono", monospace; font-size: 12px; color: var(--faint);
  border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px;
}

.nav { flex: 1; }
.nav-section { margin-bottom: 20px; }
.nav-title {
  font-family: "Fira Mono", monospace; text-transform: uppercase;
  font-size: 11px; letter-spacing: 1.5px; color: var(--amber);
  margin: 0 0 8px; padding-left: 4px;
}
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav li a {
  display: block; color: var(--muted); padding: 6px 10px; border-radius: 8px;
  font-size: 14.5px; border-left: 2px solid transparent;
}
.nav li a:hover { color: var(--text); background: var(--border-soft); text-decoration: none; }
.nav li a.active {
  color: var(--text); background: rgba(247,185,85,0.08);
  border-left-color: var(--amber);
}

.sidebar-foot {
  font-family: "Fira Mono", monospace; font-size: 11px; color: var(--faint);
  margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--border-soft);
}

/* ---------- Content ---------- */
.content {
  position: relative; z-index: 1; margin-left: 286px;
  padding: 56px 48px 120px; max-width: calc(var(--maxw) + 96px);
}

.doc-head { margin-bottom: 30px; }
.doc-head h1, .hero h1 {
  font-family: "Fraunces", serif; font-weight: 600; line-height: 1.1;
  letter-spacing: -0.5px; margin: 0 0 12px; font-size: 40px;
}
.lede { color: var(--muted); font-size: 18px; margin: 0; max-width: 60ch; }

/* ---------- Hero (home) ---------- */
.hero { padding: 40px 0 18px; border-bottom: 1px solid var(--border-soft); margin-bottom: 40px; }
.kicker {
  font-family: "Fira Mono", monospace; text-transform: uppercase;
  letter-spacing: 3px; font-size: 12px; color: var(--amber); margin: 0 0 14px;
}
.hero h1 { font-size: 52px; }
.hero .hl { color: var(--amber); font-style: italic; }
.hero-sub { color: var(--muted); font-size: 19px; max-width: 54ch; margin: 18px 0 26px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; font-family: "Fira Mono", monospace; font-size: 14px;
  background: var(--amber); color: #1b1206; padding: 11px 20px;
  border-radius: 10px; font-weight: 500; border: 1px solid var(--amber);
}
.btn:hover { background: #ffca6f; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--border-soft); border-color: var(--amber); }
kbd {
  font-family: "Fira Mono", monospace; font-size: 12px; background: var(--code-bg);
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px;
  padding: 1px 7px; color: var(--amber);
}

/* ---------- Card grid (home) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 22px 8px;
}
.card h2 {
  font-family: "Fira Mono", monospace; font-size: 13px; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--amber); margin: 0 0 14px;
}
.card ul { list-style: none; margin: 0; padding: 0; }
.card li { margin-bottom: 14px; }
.card li a { display: block; }
.card-link-title { display: block; color: var(--text); font-weight: 500; }
.card-link-desc { display: block; color: var(--faint); font-size: 13px; line-height: 1.5; margin-top: 2px; }
.card li a:hover .card-link-title { color: var(--amber); }

/* ---------- Prose ---------- */
.prose { font-size: 16.5px; }
.prose h2 {
  font-family: "Fraunces", serif; font-weight: 600; font-size: 27px;
  margin: 44px 0 14px; padding-top: 8px; letter-spacing: -0.3px;
}
.prose h3 { font-family: "Fraunces", serif; font-weight: 600; font-size: 21px; margin: 32px 0 10px; }
.prose h4 { font-family: "Fira Mono", monospace; font-size: 15px; color: var(--amber); margin: 26px 0 8px; text-transform: uppercase; letter-spacing: 1px; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 7px; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }
.prose strong { color: #fff; }
.prose .link-locked { color: var(--faint); cursor: default; }
.prose .link-locked::after { content: " \1F512"; font-size: 0.8em; opacity: 0.7; }

.prose code {
  font-family: "Fira Mono", monospace; font-size: 0.86em; color: var(--amber);
  background: var(--code-bg); border: 1px solid var(--border-soft);
  padding: 1px 6px; border-radius: 5px;
}
.prose pre {
  background: var(--code-bg); border: 1px solid var(--border);
  border-left: 3px solid var(--amber); border-radius: 10px;
  padding: 16px 18px; overflow-x: auto; margin: 0 0 20px;
}
.prose pre code { background: none; border: none; color: #cdd9e8; padding: 0; font-size: 13.5px; }

.prose table {
  width: 100%; border-collapse: collapse; margin: 0 0 22px; font-size: 14.5px;
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
}
.prose th {
  font-family: "Fira Mono", monospace; font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.6px; text-align: left; color: var(--amber);
  background: var(--bg-2); padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.prose td { padding: 10px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
.prose tr:last-child td { border-bottom: none; }
.prose tbody tr:hover { background: rgba(247,185,85,0.04); }

.prose blockquote {
  border-left: 3px solid var(--coral); background: var(--bg-2);
  margin: 0 0 18px; padding: 12px 18px; border-radius: 0 8px 8px 0; color: var(--muted);
}

.prose details {
  border: 1px solid var(--border); border-radius: 10px; margin: 0 0 14px;
  background: var(--panel); overflow: hidden;
}
.prose details summary {
  cursor: pointer; padding: 13px 18px; font-weight: 500; color: var(--text);
  list-style: none; font-family: "Fira Sans", sans-serif;
}
.prose details summary::-webkit-details-marker { display: none; }
.prose details summary::before { content: "+ "; color: var(--amber); font-family: "Fira Mono", monospace; font-weight: 700; }
.prose details[open] summary::before { content: "- "; }
.prose details[open] summary { border-bottom: 1px solid var(--border-soft); }
.prose details > *:not(summary) { margin-left: 18px; margin-right: 18px; }
.prose details > pre, .prose details > p { margin-top: 14px; }

.callout {
  border-radius: 10px; padding: 13px 16px; margin: 0 0 18px;
  border: 1px solid var(--border); background: var(--bg-2); font-size: 15px;
}
.callout-staff, .callout-money { border-left: 3px solid var(--coral); }
.callout-warn { border-left: 3px solid var(--amber); }
.callout-note { border-left: 3px solid #5aa9e6; }

/* ---------- Search results ---------- */
.results { list-style: none; margin: 0; padding: 0; }
.results li { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; }
.results li a { display: block; padding: 16px 18px; }
.results li:hover { border-color: var(--amber); }
.result-title { display: block; color: var(--text); font-weight: 500; font-size: 17px; }
.result-desc { display: block; color: var(--faint); font-size: 14px; margin-top: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .sidebar { position: static; width: auto; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .content { margin-left: 0; padding: 32px 22px 80px; }
  .nav { display: flex; flex-wrap: wrap; gap: 18px; }
  .nav-section { margin-bottom: 0; }
  .hero h1 { font-size: 38px; }
  .doc-head h1 { font-size: 32px; }
}