/* @smalldat/sandycoast — documentation site
   Static, self-contained, GitHub-Pages friendly (no build step). */

:root {
  --sand-1: #e8c45a;
  --sand-2: #e8895a;
  --pink: #e8598b;
  --blue: #8bc4e8;
  --green: #5ae89a;
  --violet: #b98be8;

  --bg: #14110d;
  --bg-soft: #1d1913;
  --panel: #221d16;
  --line: #3a3025;
  --text: #efe7d8;
  --muted: #b3a891;
  --faint: #8a7f6b;
  --code-bg: #0f0d09;
  --accent: var(--sand-1);

  --radius: 10px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf6ee;
    --bg-soft: #f3ecdd;
    --panel: #fffdf8;
    --line: #e3d8c2;
    --text: #2a2318;
    --muted: #6b6250;
    --faint: #9a8f78;
    --code-bg: #f6efe1;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: var(--bg-soft);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 4px;
}
.brand .dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--sand-1), transparent 60%),
    radial-gradient(circle at 70% 65%, var(--sand-2), transparent 55%),
    radial-gradient(circle at 55% 45%, var(--pink), transparent 60%);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15);
}
.brand small {
  display: block;
  font-weight: 400;
  color: var(--faint);
  font-size: 11px;
}
.nav-group {
  margin-top: 22px;
}
.nav-group h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--faint);
  margin: 0 0 8px;
  font-weight: 600;
}
.nav-group a {
  display: block;
  padding: 5px 10px;
  margin: 1px 0;
  color: var(--muted);
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
}
.nav-group a:hover {
  background: var(--panel);
  color: var(--text);
}
.nav-group a.active {
  background: var(--panel);
  color: var(--accent);
  font-weight: 600;
}

/* ---- Content ---- */
.content {
  padding: 44px 52px 96px;
  max-width: 860px;
}
.content h1 {
  font-size: 34px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.content h2 {
  font-size: 23px;
  letter-spacing: -0.01em;
  margin: 52px 0 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.content h3 {
  font-size: 17px;
  margin: 32px 0 10px;
}
.content p {
  color: var(--text);
}
.lede {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 8px;
}
.content a {
  color: var(--sand-2);
}
@media (prefers-color-scheme: light) {
  .content a {
    color: #b5651d;
  }
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 600;
  margin-bottom: 6px;
}

/* Code */
code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--line);
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 16px 0;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  line-height: 1.7;
}

/* Tokenized code colors (applied via spans) */
.tok-key {
  color: var(--pink);
}
.tok-str {
  color: var(--green);
}
.tok-num {
  color: var(--sand-1);
}
.tok-com {
  color: var(--faint);
  font-style: italic;
}
.tok-fn {
  color: var(--blue);
}
.tok-typ {
  color: var(--violet);
}

/* Property tables */
.prop-table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 14px;
}
.prop-table th,
.prop-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.prop-table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--faint);
  font-weight: 600;
}
.prop-table td:first-child {
  white-space: nowrap;
}
.prop-table code {
  font-size: 12.5px;
}
.prop-table .type {
  color: var(--violet);
  font-family: var(--mono);
  font-size: 12.5px;
}
.prop-table .def {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12.5px;
}

/* Callouts */
.note {
  border-left: 3px solid var(--sand-1);
  background: var(--bg-soft);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 18px 0;
  font-size: 14.5px;
  color: var(--muted);
}
.note.warn {
  border-left-color: var(--sand-2);
}
.note strong {
  color: var(--text);
}

/* Cards on landing */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.card {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-decoration: none;
  color: var(--text);
  transition: border-color .15s;
}
.card:hover {
  border-color: var(--accent);
}
.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
}
.card.disabled {
  opacity: 0.5;
}
.card .chip {
  display: inline-block;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1px 8px;
  margin-top: 10px;
}

/* Pills / badges */
.pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 20px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--muted);
  margin-right: 6px;
}
.pill.on {
  color: var(--green);
  border-color: rgba(90, 232, 154, 0.35);
}
.pill.off {
  color: var(--sand-2);
}

/* Footer */
.foot {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 13px;
}
.foot a {
  color: var(--muted);
}

/* Table of contents (in-page) */
.toc {
  font-size: 13.5px;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 20px 0 8px;
}
.toc strong {
  color: var(--text);
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.toc a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 14px;
  line-height: 2;
  display: inline-block;
}
.toc a:hover {
  color: var(--accent);
}

/* Mobile */
.menu-btn {
  display: none;
}
@media (max-width: 820px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .content {
    padding: 28px 22px 72px;
  }
  .content h1 {
    font-size: 27px;
  }
}