/* Shared visual language for the independently served site pages. */
:root {
  color-scheme: dark;
  --bg: #080f14;
  --surface: #0f1b21;
  --surface-strong: #16262d;
  --text: #edf4f3;
  --muted: #a0b5bb;
  --faint: #8aa2aa;
  --border: #293e45;
  --accent: #9cecdf;
  --accent-strong: #baf8ed;
  --accent-soft: #193a38;
  --on-accent: #102a2a;
  --support: #9cecdf;
  --support-soft: #112825;
  --warning: #f1c77a;
  --warning-soft: #302719;
  --danger: #f38d8d;
  --code: #080f14;
  --code-text: #edf4f3;
  --header: #0b151bf2;
  --focus-ring: #9cecdf40;
  --radius: 10px;
  --shadow: 0 12px 36px #00000026;
  --hero-glow: #60d9c71a;
}

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

.miyun-mark-light {
  display: none;
}

.masthead {
  background:
    radial-gradient(ellipse at 78% 20%, var(--hero-glow), transparent 65%),
    linear-gradient(color-mix(in srgb, var(--border) 45%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 45%, transparent) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
}

.masthead-inner {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--header);
  box-shadow: var(--shadow);
}

.protocols,
.platform,
.article-body pre,
.endpoint-grid {
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.button,
.pager-link,
.nav-link {
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.button.primary {
  box-shadow: 0 0 24px var(--hero-glow);
}

.article-body .callout.danger {
  border-left-color: var(--danger);
}

@media (max-width: 760px) {
  .masthead-inner { padding: 22px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}