/**
 * Caster — Showcase chrome
 *
 * Page styling for the design-system documentation pages. NOT part of
 * Caster itself — these classes (.ds-*) live only inside the showcase.
 *
 * Loaded after tokens.css and components.css.
 */

/* ============================================================
   Layout
   ============================================================ */
:root {
  --ds-topbar-h: 56px;
  --ds-sidebar-w: 260px;
  --ds-stage-bg: var(--caster-color-surface-subtle);
  --ds-stage-bg-dark: var(--caster-color-surface-dark);
  --ds-snippet-bg: #0d1117;
  --ds-snippet-fg: #d4d8e0;
  --ds-snippet-tag: #ff9d6f;
  --ds-snippet-attr: #8ab4ff;
  --ds-snippet-string: #ffd181;
  --ds-snippet-comment: #6b7785;
}

body.ds-page {
  background: var(--caster-color-surface-default);
  font-family: var(--caster-font-family-sans);
  color: var(--caster-color-text-default);
  font-size: var(--caster-font-size-xs);
  line-height: var(--caster-line-height-relaxed);
  margin: 0;
  /* Belt-and-suspenders against horizontal page scroll on mobile —
     individual long strings inside still scroll horizontally within
     their own .ds-snippet / .ds-table-wrap container. */
  overflow-x: hidden;
}

/* ============================================================
   Topbar
   ============================================================ */
.ds-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--caster-spacing-3);
  height: var(--ds-topbar-h);
  padding: 0 var(--caster-spacing-6);
  background: var(--caster-color-surface-inverted);
  color: var(--caster-color-text-inverted);
  border-bottom: var(--caster-border-width-thin) solid rgba(255, 255, 255, 0.08);
}
.ds-topbar a { color: inherit; text-decoration: none; }
.ds-topbar a:hover { opacity: 0.8; }
.ds-crumbs {
  display: flex;
  align-items: center;
  gap: var(--caster-spacing-2);
  font-size: var(--caster-font-size-2xs);
  min-width: 0;        /* allow flex shrinking inside topbar */
  flex: 1 1 auto;
  overflow: hidden;
}
.ds-crumbs > span { opacity: 0.4; flex-shrink: 0; }
.ds-crumbs > a { flex-shrink: 0; }
.ds-crumbs > .ds-current {
  color: var(--caster-color-accent-default);
  font-weight: var(--caster-font-weight-semibold);
  /* Truncate the current page name on narrow viewports */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* "Caster" wordmark replaced with logo via CSS mask — keeps the text
   in HTML for accessibility, paints the logo via currentColor mask. */
.ds-crumbs > a:first-child strong {
  display: inline-block;
  width: 89px;
  height: 24px;
  background-color: currentColor;
  -webkit-mask: url("../assets/light-wordmark.svg") no-repeat left center / contain;
          mask: url("../assets/light-wordmark.svg") no-repeat left center / contain;
  text-indent: -9999px;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: middle;
  font-weight: normal;
  letter-spacing: normal;
}

.ds-topbar-right {
  display: flex;
  align-items: center;
  gap: var(--caster-spacing-4);
  font-size: var(--caster-font-size-2xs);
  flex-shrink: 0;
}
.ds-topbar-right a { opacity: 0.6; white-space: nowrap; }
.ds-topbar-right a:hover { opacity: 1; }

/* Mobile topbar — tighten spacing, hide intermediate crumbs, drop right links */
@media (max-width: 700px) {
  .ds-topbar { padding: 0 var(--caster-spacing-4); height: 48px; }
  .ds-crumbs > a:first-child strong { width: 67px; height: 18px; }
  /* Show only Caster logo + the / before current + the current page */
  .ds-crumbs > * { display: none; }
  .ds-crumbs > :first-child { display: inline-flex; align-items: center; }
  .ds-crumbs > :nth-last-child(2),
  .ds-crumbs > .ds-current { display: inline; }
  .ds-topbar-right { display: none; }
}

/* ============================================================
   Layout grid (sidebar + main)
   ============================================================ */
.ds-layout {
  display: grid;
  grid-template-columns: var(--ds-sidebar-w) 1fr;
  min-height: calc(100vh - var(--ds-topbar-h));
}
@media (max-width: 1000px) {
  .ds-layout { grid-template-columns: 1fr; }
  .ds-sidebar { display: none; }
}

/* ============================================================
   Sidebar
   ============================================================ */
.ds-sidebar {
  position: sticky;
  top: var(--ds-topbar-h);
  align-self: start;
  height: calc(100vh - var(--ds-topbar-h));
  overflow: auto;
  border-right: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
  background: var(--caster-color-surface-subtle);
  padding: var(--caster-spacing-5) 0;
}
.ds-nav-group { padding: 0 var(--caster-spacing-3); margin-bottom: var(--caster-spacing-4); }
.ds-nav-label {
  padding: var(--caster-spacing-2) var(--caster-spacing-3);
  font-size: var(--caster-font-size-3xs);
  font-weight: var(--caster-font-weight-bold);
  letter-spacing: var(--caster-letter-spacing-widest);
  text-transform: uppercase;
  color: var(--caster-color-text-muted);
}
.ds-nav-list { list-style: none; padding: 0; margin: 0; }
.ds-nav-item a {
  display: flex;
  align-items: center;
  gap: var(--caster-spacing-2);
  padding: var(--caster-spacing-2) var(--caster-spacing-3);
  border-radius: var(--caster-radius-sm);
  font-size: var(--caster-font-size-xs);
  color: var(--caster-color-text-secondary);
  text-decoration: none;
  transition: background var(--caster-motion-fast), color var(--caster-motion-fast);
}
.ds-nav-item a:hover { background: var(--caster-color-surface-default); color: var(--caster-color-text-default); }
.ds-nav-item a[aria-current="page"] {
  background: var(--caster-color-brand-default);
  color: var(--caster-color-text-inverted);
}
.ds-nav-item-status {
  margin-left: auto;
  font-size: var(--caster-font-size-3xs);
  padding: 1px 6px;
  border-radius: var(--caster-radius-full);
  background: var(--caster-color-surface-muted);
  color: var(--caster-color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--caster-letter-spacing-wide);
  font-weight: var(--caster-font-weight-bold);
}
.ds-nav-item a[aria-current="page"] .ds-nav-item-status { background: rgba(255, 255, 255, 0.18); color: rgba(255, 255, 255, 0.9); }
.ds-nav-item-status.todo { background: var(--caster-color-amber-50); color: var(--caster-color-amber-700); }

/* ============================================================
   Main content
   ============================================================ */
.ds-main {
  padding: var(--caster-spacing-10) var(--caster-spacing-12);
  max-width: 1100px;
  min-width: 0;          /* let grid child shrink instead of forcing overflow */
}
@media (max-width: 1000px) { .ds-main { padding: var(--caster-spacing-8) var(--caster-spacing-6); } }
@media (max-width: 700px)  { .ds-main { padding: var(--caster-spacing-6) var(--caster-spacing-4); } }

.ds-page-header { margin-bottom: var(--caster-spacing-12); }
@media (max-width: 700px) {
  .ds-page-header { margin-bottom: var(--caster-spacing-8); }
  .ds-page-header h1 { font-size: var(--caster-font-size-2xl); }
  .ds-lead { font-size: var(--caster-font-size-sm); }
}
.ds-eyebrow {
  display: inline-block;
  margin-bottom: var(--caster-spacing-2);
  font-size: var(--caster-font-size-3xs);
  font-weight: var(--caster-font-weight-bold);
  letter-spacing: var(--caster-letter-spacing-widest);
  text-transform: uppercase;
  color: var(--caster-color-brand-default);
}
.ds-page-header h1 {
  margin: 0 0 var(--caster-spacing-3);
  font-size: var(--caster-font-size-3xl);
  letter-spacing: var(--caster-letter-spacing-tight);
}
.ds-lead {
  font-size: var(--caster-font-size-md);
  color: var(--caster-color-text-secondary);
  line-height: var(--caster-line-height-relaxed);
  max-width: 70ch;
}

/* ============================================================
   Section / variant
   ============================================================ */
.ds-section {
  margin-bottom: var(--caster-spacing-16);
  padding-top: var(--caster-spacing-6);
  border-top: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
}
.ds-section:first-of-type { border-top: none; padding-top: 0; }
.ds-section-header { margin-bottom: var(--caster-spacing-6); }
.ds-section-header h2 {
  margin: 0 0 var(--caster-spacing-2);
  font-size: var(--caster-font-size-xl);
}
.ds-section-header p {
  font-size: var(--caster-font-size-xs);
  color: var(--caster-color-text-secondary);
  max-width: 70ch;
  margin: 0;
}

.ds-variant {
  margin-bottom: var(--caster-spacing-8);
}
.ds-variant-header { margin-bottom: var(--caster-spacing-3); }
.ds-variant-title {
  font-size: var(--caster-font-size-sm);
  font-weight: var(--caster-font-weight-semibold);
  margin: 0;
}
.ds-variant-desc {
  font-size: var(--caster-font-size-2xs);
  color: var(--caster-color-text-muted);
  margin: 2px 0 0;
}

/* ============================================================
   Stage — live component preview
   ============================================================ */
.ds-stage {
  background: var(--ds-stage-bg);
  border: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
  border-radius: var(--caster-radius-card);
  padding: var(--caster-spacing-6);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--caster-spacing-4);
  position: relative;
  overflow: hidden;
}
.ds-stage--block { display: block; }
.ds-stage--dark { background: var(--ds-stage-bg-dark); }
.ds-stage--padded { padding: var(--caster-spacing-12) var(--caster-spacing-8); }
.ds-stage--full { padding: 0; }
.ds-stage--vertical { flex-direction: column; align-items: stretch; }
.ds-stage__row { display: flex; gap: var(--caster-spacing-4); flex-wrap: wrap; align-items: center; }

@media (max-width: 700px) {
  .ds-stage { padding: var(--caster-spacing-4); gap: var(--caster-spacing-3); }
  .ds-stage--padded { padding: var(--caster-spacing-5) var(--caster-spacing-4); }
}
.ds-stage__label {
  font-size: var(--caster-font-size-3xs);
  text-transform: uppercase;
  letter-spacing: var(--caster-letter-spacing-widest);
  font-weight: var(--caster-font-weight-bold);
  color: var(--caster-color-text-muted);
  min-width: 80px;
}

/* Combined stage + snippet wrap */
.ds-frame {
  border: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
  border-radius: var(--caster-radius-card);
  overflow: hidden;
  margin-bottom: var(--caster-spacing-3);
}
.ds-frame > .ds-stage {
  border: none;
  border-radius: 0;
  border-bottom: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
}
.ds-frame > .ds-snippet { border-radius: 0; }

/* ============================================================
   Snippet (code block)
   ============================================================ */
.ds-snippet {
  position: relative;
  background: var(--ds-snippet-bg);
  color: var(--ds-snippet-fg);
  border-radius: var(--caster-radius-card);
  font-family: var(--caster-font-family-mono);
  font-size: 12.5px;
  line-height: 1.6;
  margin-top: var(--caster-spacing-3);
  margin-bottom: 0;
}
.ds-snippet pre {
  margin: 0;
  padding: var(--caster-spacing-4) var(--caster-spacing-5);
  overflow-x: auto;
}
.ds-snippet code {
  font-family: inherit;
  white-space: pre;
  background: none;
  color: inherit;
}
.ds-copy {
  position: absolute;
  top: var(--caster-spacing-2);
  right: var(--caster-spacing-2);
  background: rgba(255, 255, 255, 0.06);
  border: var(--caster-border-width-thin) solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--caster-font-size-3xs);
  font-weight: var(--caster-font-weight-bold);
  letter-spacing: var(--caster-letter-spacing-wider);
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--caster-radius-sm);
  cursor: pointer;
  transition: background var(--caster-motion-fast), color var(--caster-motion-fast);
}
.ds-copy:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.ds-copy.is-copied { background: var(--caster-color-feedback-success-default); color: #fff; border-color: var(--caster-color-feedback-success-default); }

/* Lightweight HTML token coloring (applied by _showcase.js) */
.ds-tk-tag    { color: var(--ds-snippet-tag); }
.ds-tk-attr   { color: var(--ds-snippet-attr); }
.ds-tk-str    { color: var(--ds-snippet-string); }
.ds-tk-comment{ color: var(--ds-snippet-comment); font-style: italic; }
.ds-tk-punct  { opacity: 0.6; }

/* ============================================================
   Tile (used on the components index for category cards)
   ============================================================ */
.ds-tile {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  background: var(--caster-color-surface-default);
  transition: border-color var(--caster-motion-fast), box-shadow var(--caster-motion-fast), transform var(--caster-motion-fast);
}
.ds-tile:hover {
  border-color: var(--caster-color-brand-default);
  box-shadow: var(--caster-elevation-raised);
  transform: translateY(-1px);
}
.ds-tile > strong {
  display: block;
  font-size: var(--caster-font-size-md);
  font-weight: var(--caster-font-weight-bold);
  color: var(--caster-color-text-default);
}
.ds-tile > p {
  margin: var(--caster-spacing-1) 0 0;
  font-size: var(--caster-font-size-2xs);
  color: var(--caster-color-text-muted);
  line-height: var(--caster-line-height-normal);
}

/* ============================================================
   Tables (token reference, props, etc.)
   ============================================================ */
.ds-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--caster-color-surface-default);
  border: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
  border-radius: var(--caster-radius-card);
  overflow: hidden;
  font-size: var(--caster-font-size-2xs);
}
.ds-table th {
  text-align: left;
  background: var(--caster-color-surface-subtle);
  padding: var(--caster-spacing-3) var(--caster-spacing-4);
  font-size: var(--caster-font-size-3xs);
  font-weight: var(--caster-font-weight-bold);
  letter-spacing: var(--caster-letter-spacing-widest);
  text-transform: uppercase;
  color: var(--caster-color-text-muted);
  border-bottom: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
}
.ds-table td {
  padding: var(--caster-spacing-3) var(--caster-spacing-4);
  border-bottom: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
  vertical-align: top;
  color: var(--caster-color-text-secondary);
}
.ds-table tbody tr:last-child td { border-bottom: none; }
.ds-table .ds-mono { font-family: var(--caster-font-family-mono); font-size: var(--caster-font-size-2xs); color: var(--caster-color-text-default); }

/* Mobile: tables get a horizontal-scroll container so their columns don't
   blow out the page width. Wrap each .ds-table in `display: block; overflow-x: auto`
   below the desktop breakpoint. The containing border-radius gets ugly with
   block tables, so drop it on mobile. */
@media (max-width: 700px) {
  .ds-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
    border-radius: var(--caster-radius-card);
  }
  .ds-table thead, .ds-table tbody, .ds-table tr { width: 100%; }
  .ds-table th, .ds-table td {
    padding: var(--caster-spacing-2) var(--caster-spacing-3);
    font-size: 11px;
    white-space: nowrap;
  }
  .ds-table .ds-mono { font-size: 11px; word-break: break-all; white-space: normal; }
}

/* ============================================================
   Color-foundation specific: swatch
   ============================================================ */
.ds-swatch {
  display: flex;
  flex-direction: column;
  background: var(--caster-color-surface-default);
  border: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
  border-radius: var(--caster-radius-card);
  overflow: hidden;
}
.ds-swatch__chip {
  height: 80px;
  border-bottom: var(--caster-border-width-thin) solid rgba(0, 0, 0, 0.05);
}
.ds-swatch__meta {
  padding: var(--caster-spacing-3) var(--caster-spacing-4);
}
.ds-swatch__name {
  font-size: var(--caster-font-size-2xs);
  font-weight: var(--caster-font-weight-bold);
  margin: 0 0 2px;
}
.ds-swatch__token {
  font-family: var(--caster-font-family-mono);
  font-size: var(--caster-font-size-3xs);
  color: var(--caster-color-text-muted);
  margin: 0 0 2px;
}
.ds-swatch__hex {
  font-family: var(--caster-font-family-mono);
  font-size: var(--caster-font-size-3xs);
  color: var(--caster-color-text-secondary);
  margin: 0;
}
.ds-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--caster-spacing-3);
  margin-top: var(--caster-spacing-4);
}

/* ============================================================
   Spacing-foundation specific: ruler
   ============================================================ */
.ds-spacer {
  display: flex;
  align-items: center;
  gap: var(--caster-spacing-4);
  padding: var(--caster-spacing-2) 0;
  border-bottom: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
}
.ds-spacer:last-child { border-bottom: none; }
.ds-spacer__bar {
  height: 12px;
  background: var(--caster-color-brand-default);
  border-radius: 2px;
  flex-shrink: 0;
}
.ds-spacer__name {
  font-family: var(--caster-font-family-mono);
  font-size: var(--caster-font-size-2xs);
  font-weight: var(--caster-font-weight-bold);
  width: 80px;
  flex-shrink: 0;
}
.ds-spacer__val {
  font-size: var(--caster-font-size-2xs);
  color: var(--caster-color-text-muted);
  font-family: var(--caster-font-family-mono);
}

/* ============================================================
   Typography specimen
   ============================================================ */
.ds-typespec {
  padding: var(--caster-spacing-4) 0;
  border-bottom: var(--caster-border-width-thin) solid var(--caster-color-border-subtle);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--caster-spacing-4);
}
.ds-typespec:last-child { border-bottom: none; }
.ds-typespec__meta {
  font-family: var(--caster-font-family-mono);
  font-size: var(--caster-font-size-3xs);
  color: var(--caster-color-text-muted);
}
.ds-typespec__meta strong {
  display: block;
  font-family: var(--caster-font-family-sans);
  font-size: var(--caster-font-size-xs);
  color: var(--caster-color-text-default);
  letter-spacing: var(--caster-letter-spacing-wider);
  text-transform: uppercase;
  margin-bottom: var(--caster-spacing-1);
}
.ds-typespec__sample {
  color: var(--caster-color-text-default);
}

@media (max-width: 700px) {
  .ds-typespec { grid-template-columns: 1fr; }
}

/* ============================================================
   Grids for variant collections
   ============================================================ */
.ds-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--caster-spacing-3); }
.ds-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--caster-spacing-3); }
.ds-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--caster-spacing-3); }
@media (max-width: 1000px) { .ds-grid-3, .ds-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px)  { .ds-grid-3, .ds-grid-4, .ds-grid-2 { grid-template-columns: 1fr; } }

/* ============================================================
   Misc
   ============================================================ */
.ds-callout {
  background: var(--caster-color-feedback-info-surface);
  border-left: 3px solid var(--caster-color-feedback-info-default);
  padding: var(--caster-spacing-3) var(--caster-spacing-4);
  border-radius: 0 var(--caster-radius-card) var(--caster-radius-card) 0;
  font-size: var(--caster-font-size-2xs);
  color: var(--caster-color-feedback-info-text);
  margin: var(--caster-spacing-4) 0;
}
.ds-callout strong { font-weight: var(--caster-font-weight-bold); }
.ds-callout code { background: rgba(0, 0, 0, 0.05); padding: 1px 5px; border-radius: 3px; font-size: 0.92em; }