/*
 * style.css — site chrome for the p5.quadrille.js API reference.
 * Light/dark follows prefers-color-scheme. The sketch stage is a fixed dark
 * box: the canvas never inherits the theme. The stage is sized by the runner
 * from the sketch's own content, so it is not given an aspect ratio here.
 */

:root {
  color-scheme: light dark;
  --bg:       #ffffff;
  --bg-2:     #f5f6f8;
  --fg:       #1c1e22;
  --muted:    #646870;
  --border:   #e1e4e9;
  --accent:   #1c7c68;
  --accent-2: #a2338a;   /* types */
  --note:     #eef4fb;   /* blockquote tint */
  --stage:    #0a0a0e;   /* fixed — not themed */
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sidebar: 17rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:       #131417;
    --bg-2:     #1b1d22;
    --fg:       #e4e6ea;
    --muted:    #9a9ea7;
    --border:   #2b2e35;
    --accent:   #3ec9ab;
    --accent-2: #e08fd0;
    --note:     #1a2330;
  }
}

/* ── Base ───────────────────────────────────────────────────────────────── */

* { box-sizing: border-box; }

body {
  margin: 0;
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  min-height: 100vh;
  font: 16px/1.6 var(--sans);
  color: var(--fg);
  background: var(--bg);
}

a { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

img { max-width: 100%; height: auto; }

code, pre, textarea { font-family: var(--mono); }
code { font-size: .92em; padding: .1em .35em; border-radius: 4px; background: var(--bg-2); }
pre {
  padding: .9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-2);
  line-height: 1.5;
  overflow-x: auto;
}
pre code { padding: 0; background: none; font-size: .85rem; }

blockquote {
  margin: 1rem 0;
  padding: .5rem 1rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
  background: var(--note);
  color: var(--fg);
}
blockquote p:first-child { margin-top: 0; }
blockquote p:last-child { margin-bottom: 0; }

hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }

table { width: 100%; margin: .75rem 0 1.25rem; border-collapse: collapse; font-size: .9375rem; }
th, td { padding: .45rem .6rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { font-size: .8125rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
td > :first-child { margin-top: 0; }
td > :last-child  { margin-bottom: 0; }

/* ── Sidebar ────────────────────────────────────────────────────────────── */

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 1.25rem 1rem;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
}
.version { margin-left: .4rem; font-size: .75rem; color: var(--muted); }
.sidebar .search {
  width: 100%;
  margin: .9rem 0 .75rem;
  padding: .35rem .5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: .875rem/1.5 var(--sans);
  color: var(--fg);
  background: var(--bg);
}

.sidebar ul { margin: 0; padding: 0; list-style: none; }
.sidebar ul ul { margin-left: .6rem; padding-left: .5rem; border-left: 1px solid var(--border); }
.sidebar li a {
  display: block;
  padding: .25rem .4rem;
  border-radius: 4px;
  font-size: .8125rem;
  line-height: 1.45;
  color: var(--fg);
  text-decoration: none;
}
.sidebar li a:hover { background: var(--border); }
.sidebar li a[aria-current="page"] { background: var(--accent); color: #fff; }
.sidebar details > summary {
  display: flex;
  align-items: baseline;
  gap: .25rem;
  padding: .25rem .4rem;
  border-radius: 4px;
  font-size: .8125rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.sidebar details > summary::-webkit-details-marker { display: none; }
.sidebar details > summary::before { content: "▸"; font-size: .7rem; color: var(--muted); }
.sidebar details[open] > summary::before { content: "▾"; }
.sidebar details > summary a { padding: 0; font-weight: 600; }
.sidebar details > summary a:hover { background: none; text-decoration: underline; }

.sidebar .results li a { display: grid; grid-template-columns: 1fr auto; gap: 0 .5rem; }
.sidebar .results .kind { font-size: .7rem; color: var(--muted); }
.sidebar .results .hint {
  grid-column: 1 / -1;
  font: .75rem/1.4 var(--sans);
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar .results .none { padding: .3rem .5rem; font: .875rem/1.5 var(--sans); color: var(--muted); }

/* ── Main ───────────────────────────────────────────────────────────────── */

main { min-width: 0; max-width: 60rem; padding: 2rem 2.5rem 3rem; }

h1, h2, h3, h4 { line-height: 1.3; }
h1 { margin: 0 0 1rem; font-size: 1.75rem; font-family: var(--mono); font-weight: 600; }
h2 { margin: 2.25rem 0 .9rem; padding-bottom: .3rem; font-size: 1.25rem; border-bottom: 1px solid var(--border); }
h3 { margin: 1.75rem 0 .5rem; font-size: 1.05rem; }
h4 { margin: 1.25rem 0 .4rem; font-size: 1rem; }
h2 code, h3 code { background: none; padding: 0; }
:target { scroll-margin-top: 1rem; }

.prose > :first-child { margin-top: 0; }

/* Footnotes — the pages carry them; marked has no footnote extension. */
.footnotes { margin-top: 2.5rem; padding-top: .5rem; border-top: 1px solid var(--border); font-size: .875rem; color: var(--muted); }
.footnotes ol { padding-left: 1.2rem; }
sup.fnref { font-size: .7em; }
sup.fnref a { text-decoration: none; }

/* ── The source-backed strip ────────────────────────────────────────────── */

.api {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem .75rem;
  margin: -0.35rem 0 1.5rem;
  padding: .6rem .8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-2);
  font-size: .875rem;
}
.api .sigline { flex-basis: 100%; }        /* a static helper and its instance delegate stack */
.api .sig { background: var(--bg); }
.api .arrow { color: var(--muted); }
.api .type { padding: 0; background: none; color: var(--accent-2); }
.api .source { margin-left: auto; font: .75rem var(--mono); color: var(--muted); text-decoration: none; }
.api .source:hover { text-decoration: underline; }
.api .api-params { flex-basis: 100%; }
.api .api-params summary { cursor: pointer; font-size: .8125rem; color: var(--muted); }
.api .fields { margin-bottom: 0; font-size: .8125rem; }

/* ── What the examples use ──────────────────────────────────────────────── */

.uses { margin-top: 2.5rem; padding-top: .75rem; border-top: 1px solid var(--border); }
.uses summary { cursor: pointer; font-size: .875rem; color: var(--muted); }
.uses summary:hover { color: var(--fg); }
.uses dl {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: .3rem 1rem;
  margin: .9rem 0 0;
  font-size: .875rem;
}
.uses dt { color: var(--muted); font-weight: 600; white-space: nowrap; }
.uses dd { margin: 0; line-height: 1.9; }
.uses .hint { margin: .8rem 0 0; font-size: .75rem; color: var(--muted); }

/* The generated reference tables: name, what it is for, how many examples. */
.terms { margin: .6rem 0 1.5rem; font-size: .875rem; }
.terms th:last-child, .terms td:last-child { text-align: right; width: 5.5rem; }
.terms .count { color: var(--muted); font-variant-numeric: tabular-nums; }
.terms-section > h3 { margin-top: 1.75rem; }
.terms-section > h2 { margin-top: 2.5rem; }

/* ── Children and pager ─────────────────────────────────────────────────── */

.children { margin-top: 2.5rem; }
.children .children-title { margin-bottom: .4rem; font-size: .8125rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; border: 0; }
.children h3 { margin: .2rem 0; font-family: var(--mono); font-size: .9375rem; font-weight: 500; }
.children h3 a { text-decoration: none; }
.children h3 a:hover { text-decoration: underline; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: .875rem;
}
.pager a { text-decoration: none; }
.pager a:hover { text-decoration: underline; }

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: .8125rem;
  color: var(--muted);
}

/* ── Examples ───────────────────────────────────────────────────────────── */

.example { margin: 1.25rem 0 2rem; }

.editor textarea.source {            /* fallback when CodeMirror is absent */
  display: block;
  width: 100%;
  min-height: 12rem;
  padding: .6rem .8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .8125rem;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg-2);
  resize: vertical;
}

/* The stage is exactly the sketch: the runner writes the iframe's pixel size. */
.stage {
  display: inline-block;          /* the box is the sketch, not the column */
  margin: .6rem 0;
  max-width: 100%;
  overflow: auto;
  border-radius: 6px;
  background: var(--stage);
}
.stage iframe { display: block; border: 0; background: transparent; }

.toolbar { display: flex; align-items: center; gap: .5rem; }
.toolbar button {
  padding: .3rem .9rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
  font-size: .875rem;
  color: var(--fg);
  background: var(--bg-2);
  cursor: pointer;
}
.toolbar button:hover { border-color: var(--muted); }
.toolbar button[data-run] { border-color: transparent; color: #fff; background: var(--accent); }
.toolbar button[data-run]:hover { filter: brightness(1.08); }
.toolbar .hint { font-size: .75rem; color: var(--muted); }

/* ── CodeMirror ─────────────────────────────────────────────────────────── */

.editor .CodeMirror {
  height: auto;                      /* with viewportMargin: Infinity — grows to fit */
  border: 1px solid var(--border);
  border-radius: 6px;
  font: .8125rem/1.5 var(--mono);
  color: var(--fg);
  background: var(--bg-2);
}
.editor .CodeMirror-gutters { border-right: 1px solid var(--border); background: var(--bg-2); }
.editor .CodeMirror-linenumber { color: var(--muted); }
.editor .CodeMirror-cursor { border-left-color: var(--fg); }

@media (prefers-color-scheme: dark) {
  .editor .CodeMirror-selected,
  .editor .CodeMirror-focused .CodeMirror-selected { background: #2b3340; }
  .editor .cm-s-default .cm-keyword    { color: #c792ea; }
  .editor .cm-s-default .cm-atom,
  .editor .cm-s-default .cm-number     { color: #f78c6c; }
  .editor .cm-s-default .cm-def        { color: #82aaff; }
  .editor .cm-s-default .cm-variable   { color: #e4e6ea; }
  .editor .cm-s-default .cm-variable-2 { color: #addb67; }
  .editor .cm-s-default .cm-property   { color: #80cbc4; }
  .editor .cm-s-default .cm-operator   { color: #89ddff; }
  .editor .cm-s-default .cm-string,
  .editor .cm-s-default .cm-string-2   { color: #c3e88d; }
  .editor .cm-s-default .cm-comment    { color: #7f8c98; font-style: italic; }
  .editor .cm-s-default .cm-builtin    { color: #ffcb6b; }
  .editor .CodeMirror-matchingbracket  { color: #fff !important; text-decoration: none; }
}

/* ── Narrow ─────────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  body { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  main { padding: 1.5rem 1rem 2rem; }
}