/* Developer guide page. Plain CSS: this page does not use the Tailwind builds. */
:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --border: #e4e6eb;
  --text: #1f2430;
  --muted: #646b7a;
  --accent: #4f46e5;
  --accent-soft: #eef0ff;
  --code-bg: #f6f7f9;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --border: #2a2f3a;
    --text: #e6e8ee;
    --muted: #9aa1b2;
    --accent: #a5b4fc;
    --accent-soft: #1e2140;
    --code-bg: #171a21;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 2px; }
.muted { color: var(--muted); font-weight: 500; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  height: 60px; padding: 0 24px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; text-decoration: none; white-space: nowrap; }
.actions { display: flex; gap: 8px; }
.button {
  display: inline-flex; align-items: center; height: 34px; padding: 0 14px;
  border: 1px solid var(--accent); border-radius: 8px;
  background: var(--accent); color: var(--bg);
  font: 600 14px/1 inherit; text-decoration: none; cursor: pointer;
}
.button { white-space: nowrap; }
.button.ghost { background: transparent; color: var(--text); border-color: var(--border); }
.button:hover { filter: brightness(1.08); }

.layout {
  display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 48px;
  justify-content: center; padding: 32px 24px 96px;
}
.sidebar { position: sticky; top: 92px; align-self: start; max-height: calc(100vh - 120px); overflow-y: auto; font-size: 14px; }
.guides { margin-bottom: 28px; }
.guides ol { margin: 0; padding: 0; list-style: none; }
.guides a { display: block; padding: 5px 10px; border-radius: 6px; color: var(--muted); text-decoration: none; }
.guides a:hover { color: var(--text); background: var(--surface); }
.guides a[aria-current] { color: var(--text); background: var(--accent-soft); font-weight: 600; }
.toc-title { margin: 0 0 8px; color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.toc ol { margin: 0; padding: 0; list-style: none; }
.toc a { display: block; padding: 5px 10px; border-left: 2px solid var(--border); color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--text); }
.toc a[aria-current] { border-color: var(--accent); color: var(--text); font-weight: 600; }

.guide h1 { margin: 0 0 12px; font-size: 2.1rem; line-height: 1.2; letter-spacing: -.02em; }
.guide h2 { margin: 56px 0 12px; font-size: 1.45rem; line-height: 1.3; letter-spacing: -.01em; border-top: 1px solid var(--border); padding-top: 32px; }
.guide h3 { margin: 32px 0 8px; font-size: 1.1rem; }
.guide h2:first-of-type { margin-top: 40px; }
.guide p, .guide li { color: var(--text); }
.guide li { margin: 4px 0; }
.guide blockquote { margin: 20px 0; padding: 12px 16px; border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; background: var(--accent-soft); }
.guide blockquote p { margin: 0; }
.anchor { margin-left: 8px; color: var(--border); text-decoration: none; opacity: 0; }
h2:hover .anchor, h3:hover .anchor, .anchor:focus { opacity: 1; color: var(--muted); }

code { font: .88em/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
:not(pre) > code { padding: 1px 5px; border-radius: 5px; background: var(--code-bg); border: 1px solid var(--border); overflow-wrap: anywhere; }
main { min-width: 0; }
pre {
  position: relative; margin: 16px 0; padding: 16px 18px; overflow-x: auto;
  border: 1px solid var(--border); border-radius: 10px; background: var(--code-bg);
}
pre code { font-size: 13.5px; }
.copy {
  position: absolute; top: 8px; right: 8px; padding: 3px 10px;
  border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--muted);
  font: 500 12px/1.6 inherit; cursor: pointer; opacity: 0; transition: opacity .15s;
}
pre:hover .copy, .copy:focus { opacity: 1; }
.source { white-space: pre-wrap; }

.table-wrap { margin: 16px 0; overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 9px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { background: var(--surface); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
input[type="checkbox"] { margin-right: 6px; }

.toast {
  position: fixed; right: 16px; bottom: 16px; left: 16px; max-width: 360px; margin-left: auto;
  padding: 10px 14px; border-radius: 10px; background: var(--text); color: var(--bg); font-size: 14px;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 20px 16px 64px; }
  .sidebar { position: static; max-height: none; }
  .toc { display: none; }
  .guides { margin-bottom: 8px; }
  .guides ol { display: flex; flex-wrap: wrap; gap: 6px; }
  .guides a { border: 1px solid var(--border); padding: 4px 10px; }
  .topbar { padding: 0 16px; }
  .brand .muted, .button.ghost { display: none; }
  .guide h1 { font-size: 1.7rem; }
}