/* Curator docs — the whole stylesheet. Light/dark via
   prefers-color-scheme; no fonts fetched, no external anything. */

:root {
  --bg: #ffffff;
  --bg-side: #f6f7f8;
  --fg: #1c2127;
  --fg-muted: #5c6570;
  --accent: #0b6e4f;
  --accent-soft: #0b6e4f22;
  --border: #dde1e5;
  --code-bg: #f2f3f5;
  --note-bg: #f0f7f4;
  --max-width: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --bg-side: #1a1e22;
    --fg: #d7dde3;
    --fg-muted: #8b959e;
    --accent: #4cc38a;
    --accent-soft: #4cc38a22;
    --border: #2a3036;
    --code-bg: #1f2428;
    --note-bg: #17211d;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  display: flex;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

/* --- Sidebar ------------------------------------------------------- */

.sidebar {
  flex: 0 0 15.5rem;
  min-height: 100vh;
  padding: 1.5rem 1.25rem 3rem;
  background: var(--bg-side);
  border-right: 1px solid var(--border);
}

.sidebar .brand {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.sidebar .brand a {
  color: var(--fg);
  text-decoration: none;
}

.sidebar h2 {
  margin: 1.25rem 0 0.25rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar li a {
  display: block;
  padding: 0.22rem 0.5rem;
  border-radius: 5px;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.92rem;
}

.sidebar li a:hover {
  background: var(--accent-soft);
}

.sidebar li a.current {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.nav-button {
  display: none;
}

/* --- Main column ---------------------------------------------------- */

main {
  flex: 1;
  min-width: 0;
  padding: 2.25rem 2.5rem 4rem;
}

main > * {
  max-width: var(--max-width);
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.35rem;
  margin: 2.25rem 0 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

h3 {
  font-size: 1.08rem;
  margin: 1.75rem 0 0.5rem;
}

a {
  color: var(--accent);
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* --- Code ------------------------------------------------------------ */

code {
  font: 0.86em/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  overflow-x: auto;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.86rem;
}

pre.mermaid {
  background: none;
  border: none;
  text-align: center;
}

/* --- Tables ----------------------------------------------------------- */

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  font-size: 0.92rem;
  display: block;
  overflow-x: auto;
}

th,
td {
  text-align: left;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--bg-side);
}

/* --- Callouts (blockquotes) -------------------------------------------- */

blockquote {
  margin: 1.25rem 0;
  padding: 0.75rem 1.1rem;
  background: var(--note-bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
}

blockquote > :first-child {
  margin-top: 0;
}

blockquote > :last-child {
  margin-bottom: 0;
}

/* --- Footer ------------------------------------------------------------- */

footer {
  margin-top: 3.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.82rem;
}

/* --- Small screens -------------------------------------------------------- */

@media (max-width: 50rem) {
  body {
    flex-direction: column;
  }

  .nav-button {
    display: inline-block;
    margin: 0.75rem 1.25rem 0;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .sidebar {
    display: none;
    flex: none;
    min-height: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  #nav-toggle:checked ~ .sidebar {
    display: block;
  }

  main {
    padding: 1.5rem 1.25rem 3rem;
  }
}