/* ==========================================================================
 * BMX documentation site
 * ==========================================================================
 *
 * The site reads the same `--bmx-*` token layer the components do - it is
 * injected by the runtime this page already loads - so the theme picker
 * retints the documentation and the live examples together. Fallbacks are
 * given on the handful of properties that paint before the deferred runtime
 * has run, so the first frame is never unstyled.
 * ========================================================================== */

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bmx-surface-sunken, #070b17);
  color: var(--bmx-text, #e7edf8);
  font-family: var(--bmx-font-family, Inter, system-ui, sans-serif);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--bmx-primary-soft-text, #9dbcff); }

code {
  font-family: var(--bmx-font-family-mono, ui-monospace, monospace);
  font-size: 0.9em;
}

.skip {
  position: absolute;
  inset-inline-start: -9999px;
  z-index: 999;
}

.skip:focus {
  inset-inline-start: 12px;
  inset-block-start: 12px;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--bmx-primary-solid);
  color: var(--bmx-primary-on-solid);
}

/* -- Shell ----------------------------------------------------------------- */

.shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-block-size: 100vh; }

.sidebar {
  position: sticky;
  inset-block-start: 0;
  block-size: 100vh;
  overflow-y: auto;
  padding: 22px 16px 40px;
  border-inline-end: 1px solid var(--bmx-border, #23304d);
  background: var(--bmx-surface, #0b1020);
}

.brand { display: flex; align-items: center; gap: 10px; margin-block-end: 20px; text-decoration: none; color: inherit; }

.brand-mark {
  display: grid; place-items: center;
  inline-size: 34px; block-size: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--bmx-primary-solid), var(--bmx-accent-solid));
  color: var(--bmx-primary-on-solid);
  font-weight: 700; font-size: 13px; letter-spacing: 0.04em;
}

.brand-name { display: block; font-weight: 650; letter-spacing: -0.01em; }
.brand-sub { display: block; color: var(--bmx-text-subtle); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }

.nav-heading {
  margin: 18px 0 6px;
  color: var(--bmx-text-subtle);
  font-size: 10.5px; font-weight: 650; letter-spacing: 0.09em; text-transform: uppercase;
}

.nav-group { display: flex; flex-direction: column; gap: 1px; }

.nav-group a {
  padding: 6px 10px;
  border-radius: 7px;
  color: var(--bmx-text-muted);
  text-decoration: none;
  font-size: 13.5px;
}

.nav-group a:hover { background: var(--bmx-surface-hover); color: var(--bmx-text); }
.nav-group a.is-current { background: var(--bmx-primary-soft); color: var(--bmx-primary-soft-text); font-weight: 550; }

.main { min-inline-size: 0; display: flex; flex-direction: column; }

/* -- Topbar ---------------------------------------------------------------- */

.topbar {
  position: sticky; inset-block-start: 0; z-index: 40;
  display: flex; align-items: center; gap: 14px;
  padding: 10px 28px;
  border-block-end: 1px solid var(--bmx-border);
  background: color-mix(in oklab, var(--bmx-surface) 86%, transparent);
  backdrop-filter: blur(12px);
}

.spacer { flex: 1 1 auto; }

.version {
  padding: 2px 9px;
  border: 1px solid var(--bmx-border);
  border-radius: 999px;
  color: var(--bmx-text-subtle);
  font-family: var(--bmx-font-family-mono);
  font-size: 11.5px;
}

.theme-picker { display: flex; align-items: center; gap: 7px; color: var(--bmx-text-muted); font-size: 12.5px; }

.theme-picker select,
.filter input {
  padding: 5px 9px;
  border: 1px solid var(--bmx-border);
  border-radius: var(--bmx-radius-md, 7px);
  background: var(--bmx-surface);
  color: var(--bmx-text);
  font: inherit; font-size: 12.5px;
}

.nav-toggle { display: none; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; block-size: auto; border-inline-end: 0; border-block-end: 1px solid var(--bmx-border); }
  .sidebar[hidden] { display: none; }
  .nav-group { flex-direction: row; flex-wrap: wrap; }
  .nav-toggle {
    display: inline-flex; padding: 5px 11px;
    border: 1px solid var(--bmx-border); border-radius: 7px;
    background: var(--bmx-surface); color: var(--bmx-text);
    font: inherit; font-size: 12.5px; cursor: pointer;
  }
}

/* -- Content --------------------------------------------------------------- */

.content { flex: 1 1 auto; padding: 32px 28px 64px; max-inline-size: 980px; }

.content h1 { margin: 0 0 10px; font-size: clamp(26px, 3vw, 34px); font-weight: 700; letter-spacing: -0.025em; line-height: 1.15; }
.content h2 { margin: 42px 0 12px; font-size: 21px; font-weight: 650; letter-spacing: -0.015em; }
.content h3 { margin: 32px 0 10px; font-size: 16px; font-weight: 650; }
.content h4 { margin: 24px 0 8px; font-size: 14px; font-weight: 650; }

.lede { color: var(--bmx-text-muted); font-size: 16.5px; max-inline-size: 70ch; }
.lede > p:first-child { margin-block-start: 0; }

.counts { color: var(--bmx-text-subtle); font-family: var(--bmx-font-family-mono); font-size: 12.5px; }

.content p, .content li { max-inline-size: 76ch; }

.content pre {
  margin: 14px 0;
  padding: 15px 18px;
  border: 1px solid var(--bmx-border);
  border-radius: 10px;
  background: var(--bmx-surface);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
}

.content :not(pre) > code {
  padding: 1.5px 5px;
  border: 1px solid var(--bmx-border);
  border-radius: 5px;
  background: var(--bmx-surface);
  color: var(--bmx-accent-soft-text);
}

.content blockquote {
  margin: 16px 0;
  padding: 10px 18px;
  border-inline-start: 3px solid var(--bmx-info-solid);
  background: var(--bmx-info-soft);
  color: var(--bmx-info-soft-text);
  border-radius: 0 8px 8px 0;
}

.content hr { margin: 34px 0; border: 0; border-block-start: 1px solid var(--bmx-border); }

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

.table-scroll { overflow-x: auto; border: 1px solid var(--bmx-border); border-radius: 10px; margin: 12px 0 24px; }

table { inline-size: 100%; border-collapse: collapse; font-size: 13.5px; }

thead th {
  position: sticky; inset-block-start: 0;
  padding: 9px 14px;
  background: var(--bmx-surface);
  border-block-end: 1px solid var(--bmx-border);
  color: var(--bmx-text-subtle);
  font-size: 11px; font-weight: 650; letter-spacing: 0.07em; text-transform: uppercase;
  text-align: start; white-space: nowrap;
}

tbody td { padding: 9px 14px; border-block-end: 1px solid var(--bmx-border); vertical-align: top; }
tbody tr:last-child td { border-block-end: 0; }
tbody tr:hover { background: var(--bmx-surface-hover); }
tbody tr[hidden] { display: none; }

td code.name { color: var(--bmx-primary-soft-text); font-weight: 600; white-space: nowrap; }
td code.type { color: var(--bmx-accent-soft-text); }
td .muted { color: var(--bmx-text-subtle); font-size: 12px; }

/* -- Filter ---------------------------------------------------------------- */

.filter {
  position: sticky; inset-block-start: 52px; z-index: 30;
  display: flex; align-items: center; gap: 10px;
  margin: 18px 0 6px; padding: 10px 0;
  background: var(--bmx-surface-sunken);
}

.filter label { color: var(--bmx-text-subtle); font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.filter input { flex: 1 1 auto; max-inline-size: 380px; font-size: 13.5px; }
.filter-count { color: var(--bmx-text-subtle); font-family: var(--bmx-font-family-mono); font-size: 12px; }

.api-block[hidden] { display: none; }

/* -- Examples -------------------------------------------------------------- */

.example { margin: 14px 0 26px; border: 1px solid var(--bmx-border); border-radius: 12px; overflow: hidden; }

.example-stage {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  padding: 26px 22px;
  background:
    radial-gradient(color-mix(in oklab, var(--bmx-border) 70%, transparent) 1px, transparent 1px) 0 0 / 18px 18px,
    var(--bmx-surface);
}

.example-stage .row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; inline-size: 100%; }

.example-source summary {
  padding: 8px 18px;
  border-block-start: 1px solid var(--bmx-border);
  background: var(--bmx-surface-sunken);
  color: var(--bmx-text-muted);
  font-size: 12.5px;
  cursor: pointer;
  user-select: none;
}

.example-source[open] summary { border-block-end: 1px solid var(--bmx-border); }
.example-source pre { margin: 0; border: 0; border-radius: 0; }

/* -- Cards ----------------------------------------------------------------- */

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(228px, 1fr)); gap: 12px; margin: 14px 0 8px; }

.card {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--bmx-border);
  border-radius: 12px;
  background: var(--bmx-surface);
  color: inherit;
  text-decoration: none;
  transition: border-color 140ms ease, transform 140ms ease;
}

a.card:hover { border-color: var(--bmx-primary-outline); transform: translateY(-2px); }
.card h3 { margin: 0 0 4px; font-size: 15px; }
.card code { color: var(--bmx-accent-soft-text); font-size: 12px; }
.card p { margin: 8px 0 0; color: var(--bmx-text-muted); font-size: 13px; }

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

.site-footer {
  padding: 22px 28px 34px;
  border-block-start: 1px solid var(--bmx-border);
  color: var(--bmx-text-subtle);
  font-size: 12.5px;
}

.site-footer p { margin: 4px 0; }

@media (prefers-reduced-motion: reduce) {
  a.card:hover { transform: none; }
}