/* Shared styles for the YoungPlatform API docs site.
   Design tokens live in :root and are overridden for dark mode; every page
   (index, guide, openapi) links this file and gets the toolbar from toolbar.js. */

:root {
  color-scheme: light dark;

  /* Brand */
  --accent: #00d372;         /* logo green — fills, borders, active states */
  --accent-ink: #009e55;     /* darker green for accent-colored TEXT on light bg */

  /* Neutrals (light) */
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --surface: rgba(127, 127, 127, 0.08);
  --surface-hover: rgba(127, 127, 127, 0.18);
  --border: rgba(127, 127, 127, 0.3);
  --border-strong: rgba(127, 127, 127, 0.5);

  /* Layout */
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 900px;
  --toolbar-h: 56px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent-ink: #2ce68f;   /* lighter green reads better on dark text bg */
    --bg: #0d0f12;
    --fg: #e6e6e6;
    --muted: #9ca3af;
    --surface: rgba(127, 127, 127, 0.12);
    --surface-hover: rgba(127, 127, 127, 0.24);
    --border: rgba(127, 127, 127, 0.32);
    --border-strong: rgba(127, 127, 127, 0.5);
  }
}

* { box-sizing: border-box; }

/* clip, not hidden: overflow:hidden on html/body turns them into a scroll
   container, which breaks position:sticky for every descendant (e.g. the
   Scalar sidebar). clip blocks the sideways scroll without that side effect. */
html { overflow-x: clip; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--fg);
  background: var(--bg);
  overflow-x: clip;
}

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

/* ---- Toolbar (injected by toolbar.js) ---- */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--toolbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.25rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--border);
}

.toolbar .brand {
  display: inline-flex;
  align-items: center;
  color: var(--fg);
  text-decoration: none;
}
.toolbar .brand svg { height: 22px; width: auto; display: block; }
.toolbar .brand .logo-mark { display: none; } /* mark-only shown on mobile */

.toolbar nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.toolbar nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--fg);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.85;
}
.toolbar nav a:hover { background: var(--surface-hover); opacity: 1; }
.toolbar nav a.active {
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  opacity: 1;
}
.toolbar nav a.icon-link { padding: 0.4rem 0.5rem; }
.toolbar nav a.icon-link svg { height: 18px; width: 18px; display: block; }

/* Narrow screens: shrink the logo to the mark and let the bar wrap if needed,
   so the whole nav stays visible with a single vertical scroll. */
@media (max-width: 560px) {
  .toolbar {
    flex-wrap: wrap;
    height: auto;
    min-height: var(--toolbar-h);
    padding: 0.5rem 1rem;
    row-gap: 0.25rem;
  }
  .toolbar nav { flex-wrap: wrap; }
  .toolbar .brand .logo-full { display: none; }
  .toolbar .brand .logo-mark { display: block; }
}

/* ---- Home (index.html) ---- */

.home {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3.5rem 1.5rem;
  gap: 3rem;
}
.home header { text-align: center; width: 100%; max-width: var(--maxw); }
.home h1 { overflow-wrap: break-word; }
.home h1 { margin: 0; font-size: 1.75rem; }
.home .subtitle { margin: 0.5rem 0 0; color: var(--muted); }
/* Full-width home banners — a linked callout used instead of a card section.
   Base holds the layout; --warn (amber) and --info (brand green) set the color. */
.home-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: var(--maxw);
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg);
  text-decoration: none;
  font-size: 0.95rem;
}
.home-banner:hover { background: var(--surface-hover); }
.home-banner-icon { font-size: 1.1rem; line-height: 1; }
.home-banner-text { line-height: 1.4; }
.home-banner code {
  padding: 0.05em 0.35em;
  border-radius: 4px;
  background: var(--surface);
  font-size: 0.9em;
}
.home-banner-cta { color: var(--accent-ink); font-weight: 600; white-space: nowrap; }

/* Warning (amber) — migration notice; pulled up snug under the header. */
.home-banner--warn {
  margin-top: -1.5rem;
  border-color: rgba(245, 166, 35, 0.5);
  border-left-color: #f5a623;
  background: rgba(245, 166, 35, 0.12);
}
.home-banner--warn:hover { background: rgba(245, 166, 35, 0.2); }

/* Info (brand green) — API reference pointer. */
.home-banner--info {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.home-banner--info:hover { background: color-mix(in srgb, var(--accent) 18%, transparent); }

.home main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: var(--maxw);
}
.home section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.home section h2 { margin-top: 0; font-size: 1.1rem; }

ul.card-list { list-style: none; padding: 0; margin: 0; }
ul.card-list li + li { margin-top: 0.5rem; }
a.card-link {
  display: block;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--border);
}
a.card-link:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
}

/* ---- Guide (guide.html) ---- */

.guide { display: flex; align-items: flex-start; }
.guide-nav {
  flex: 0 0 220px;
  position: sticky;
  top: var(--toolbar-h);
  height: calc(100vh - var(--toolbar-h));
  overflow-y: auto;
  padding: 2rem 1rem;
  border-right: 1px solid var(--border);
}
.guide-nav a.back {
  display: block;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.guide-nav a.back:hover { color: var(--fg); }
.guide-nav h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
  margin: 0 0 0.75rem;
}
.guide-nav ul { list-style: none; margin: 0; padding: 0; }
.guide-nav li + li { margin-top: 0.25rem; }
.guide-nav a.guide-link {
  display: block;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--fg);
  font-size: 0.95rem;
}
.guide-nav a.guide-link:hover { background: var(--surface-hover); }
.guide-nav a.guide-link.active {
  color: var(--accent-ink);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  font-weight: 600;
}
.guide main {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}
/* zero-md's custom element defaults to display:inline, which lets wide code
   blocks/tables expand past the viewport. Make it a shrinkable block so its
   content is capped to the column and long lines scroll inside the block. */
.guide main zero-md {
  display: block;
  min-width: 0;
  max-width: 100%;
}
.guide #error { opacity: 0.8; font-style: italic; }

/* ---- OpenAPI (openapi.html) ---- */

/* Scalar's own sidebar assumes it starts at viewport top:0. Our sticky
   .toolbar sits above it, so tell Scalar about that offset via its official
   custom-header CSS var, otherwise its internal sticky/fixed layout desyncs
   from the page scroll. */
.scalar-wrap {
  --scalar-custom-header-height: var(--toolbar-h);
}

@media (max-width: 720px) {
  .guide { flex-direction: column; }
  .guide-nav {
    /* In a column flex, flex-basis:220px would fix the height and turn the
       sidebar into its own scroll box; reset it so it grows to fit every guide
       and joins the single page scroll. */
    flex: 0 0 auto;
    position: static;
    height: auto;
    overflow: visible;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .guide main { width: 100%; max-width: 100%; }
}