/* Self-contained styles for /developers/: no third-party fonts, CSS or scripts. */
:root {
  --bg: #ffffff; --fg: #1f2933; --muted: #5b6b79; --border: #dde3e9; --panel: #f6f8fa;
  --link: #0b6bcb; --accent: #198754; --code-bg: #f1f4f7; --code-fg: #1f2933;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --header-h: 56px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14181d; --fg: #e5e9ed; --muted: #9aa7b3; --border: #2b333b; --panel: #1b2128;
    --link: #6cb2ff; --accent: #4cc38a; --code-bg: #1e252c; --code-fg: #e5e9ed;
  }
}
:root[data-theme="dark"] {
  --bg: #14181d; --fg: #e5e9ed; --muted: #9aa7b3; --border: #2b333b; --panel: #1b2128;
  --link: #6cb2ff; --accent: #4cc38a; --code-bg: #1e252c; --code-fg: #e5e9ed;
}
* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--header-h) + 12px); }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 var(--font); }
a { color: var(--link); }
.dev-header { position: sticky; top: 0; z-index: 20; height: var(--header-h); display: flex; align-items: center; gap: 1rem;
  padding: 0 16px; background: var(--bg); border-bottom: 1px solid var(--border); }
.dev-header .brand { font-weight: 700; color: var(--fg); text-decoration: none; white-space: nowrap; }
.dev-header .brand span { color: var(--muted); font-weight: 400; }
.dev-header nav { display: flex; gap: .25rem 1rem; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; font-size: .95rem; }
.dev-header nav a { color: var(--fg); text-decoration: none; padding: 4px 2px; }
.dev-header nav a:hover, .dev-header nav a[aria-current="page"] { color: var(--link); }
.dev-header button { font: inherit; font-size: .85rem; background: transparent; color: var(--fg); border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; cursor: pointer; }
.dev-shell { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 2rem; max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
.dev-side { position: sticky; top: calc(var(--header-h) + 16px); align-self: start; font-size: .95rem; }
.dev-side h2 { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 1rem 0 .4rem; }
.dev-side ul { list-style: none; margin: 0; padding: 0; }
.dev-side a { display: block; padding: 4px 10px; border-radius: 6px; color: var(--fg); text-decoration: none; }
.dev-side a:hover { background: var(--panel); }
.dev-side a[aria-current="page"] { background: var(--panel); color: var(--link); font-weight: 600; }
.dev-main { min-width: 0; }
.dev-main h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .5rem; }
.dev-main h2 { margin-top: 2.2rem; padding-top: .4rem; border-top: 1px solid var(--border); font-size: 1.4rem; }
.dev-main h3 { margin-top: 1.6rem; font-size: 1.1rem; }
.dev-main .lede { color: var(--muted); font-size: 1.1rem; margin-top: 0; }
.dev-main table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.dev-main th, .dev-main td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; vertical-align: top; }
.dev-main th { background: var(--panel); }
code { font-family: var(--mono); font-size: .88em; background: var(--code-bg); padding: .1em .35em; border-radius: 4px; }
pre { position: relative; background: var(--code-bg); color: var(--code-fg); padding: 14px 16px; border-radius: 8px; overflow-x: auto; border: 1px solid var(--border); }
pre code { background: none; padding: 0; font-size: .85rem; }
.copy-btn { position: absolute; top: 6px; right: 6px; font: inherit; font-size: .75rem; padding: 2px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg); cursor: pointer; }
.callout { border-left: 4px solid var(--accent); background: var(--panel); padding: .6rem 1rem; border-radius: 0 8px 8px 0; margin: 1.2rem 0; }
.callout.warn { border-left-color: #d98e04; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin: 1.2rem 0; }
.card { border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; background: var(--panel); text-decoration: none; color: var(--fg); display: block; }
.card:hover { border-color: var(--link); }
.card strong { display: block; color: var(--link); margin-bottom: 2px; }
.dev-footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 16px; border-top: 1px solid var(--border); }
.ref-wrap { min-height: calc(100vh - var(--header-h)); }
@media (max-width: 800px) {
  .dev-shell { grid-template-columns: 1fr; gap: 0; }
  .dev-side { position: static; border-bottom: 1px solid var(--border); padding-bottom: 8px; margin-bottom: 8px; }
  .dev-side ul { display: flex; flex-wrap: wrap; gap: 4px; }
  .dev-header .brand span { display: none; }
  /* The header grows to fit its links instead of letting them spill over the page below. */
  .dev-header { height: auto; min-height: var(--header-h); flex-wrap: wrap; row-gap: 2px; padding: 6px 16px; }
  .dev-header nav { order: 3; width: 100%; margin-left: 0; justify-content: flex-start; }
  .dev-header button { margin-left: auto; }
}