/* ==========================================================================
   Qrtoba Docs Site — documentation chrome
   Loads on top of the framework (dist/qrtoba.min.css). Uses the framework's own
   --q-* tokens so the docs site itself responds to theme presets & dark mode.
   ========================================================================== */

:root {
  --docs-sidebar-w: 280px;
  --docs-header-h: 64px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--docs-header-h) + 1.5rem); }

body.docs {
  margin: 0;
  font-family: var(--q-font-sans);
  background: var(--q-bg);
  color: var(--q-text);
  line-height: 1.8;
}

a { color: var(--q-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ----------------------------- Top header / navbar ----------------------------- */
.docs-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  height: var(--docs-header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-inline: 1.25rem;
  background: color-mix(in srgb, var(--q-surface), transparent 8%);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--q-border);
}
.docs-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--q-font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--q-primary);
}
.docs-brand:hover { text-decoration: none; }
.docs-brand .docs-brand-mark { font-size: 1.5rem; line-height: 1; }

.docs-spacer { flex: 1 1 auto; }

.docs-nav-links { display: flex; align-items: center; gap: 0.35rem; list-style: none; margin: 0; padding: 0; }
.docs-nav-links a {
  padding: 0.4rem 0.75rem;
  border-radius: var(--q-radius);
  color: var(--q-text-muted);
  font-weight: 600;
  font-size: 0.9rem;
}
.docs-nav-links a:hover { background: var(--q-surface-alt); color: var(--q-text); text-decoration: none; }
.docs-nav-links a.active { color: var(--q-primary); background: color-mix(in srgb, var(--q-primary), transparent 88%); }

.docs-search {
  position: relative;
  width: 100%;
  max-width: 320px;
}
.docs-search input {
  width: 100%;
  padding: 0.5rem 0.85rem 0.5rem 2.25rem;
  border: 1px solid var(--q-border);
  border-radius: var(--q-radius);
  background: var(--q-surface);
  color: var(--q-text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.15s var(--q-ease), box-shadow 0.15s var(--q-ease);
}
.docs-search input:focus { outline: none; border-color: var(--q-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--q-focus-ring), transparent 80%); }
.docs-search::before {
  content: "⌕";
  position: absolute;
  inset-inline-start: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--q-text-muted);
  font-size: 1.05rem;
  pointer-events: none;
}

.docs-sidebar-toggle {
  display: none;
  background: var(--q-surface);
  border: 1px solid var(--q-border);
  color: var(--q-text);
  width: 40px; height: 40px;
  border-radius: var(--q-radius);
  font-size: 1.2rem;
  cursor: pointer;
}

/* ----------------------------- Layout shell ----------------------------- */
.docs-shell { display: flex; align-items: flex-start; }

.docs-sidebar {
  position: sticky;
  top: var(--docs-header-h);
  flex: 0 0 var(--docs-sidebar-w);
  width: var(--docs-sidebar-w);
  max-height: calc(100vh - var(--docs-header-h));
  overflow-y: auto;
  padding: 1.5rem 1rem;
  border-inline-end: 1px solid var(--q-border);
}
.docs-sidebar h4 {
  margin: 1.25rem 0 0.5rem;
  padding-inline-start: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--q-text-muted);
}
.docs-sidebar ul { list-style: none; margin: 0; padding: 0; }
.docs-sidebar li a {
  display: block;
  padding: 0.4rem 0.6rem;
  border-radius: var(--q-radius);
  color: var(--q-text);
  font-size: 0.92rem;
  border-inline-start: 3px solid transparent;
}
.docs-sidebar li a:hover { background: var(--q-surface-alt); text-decoration: none; }
.docs-sidebar li a.active { color: var(--q-primary); font-weight: 700; background: color-mix(in srgb, var(--q-primary), transparent 90%); }
.docs-sidebar li a[hidden] { display: none; }

.docs-content { flex: 1 1 auto; min-width: 0; padding: 2rem 2.5rem 5rem; max-width: 920px; }

/* ----------------------------- Typography in docs ----------------------------- */
.docs-content h1 { font-family: var(--q-font-display); font-size: 2.25rem; font-weight: 800; margin: 0 0 0.5rem; }
.docs-content h2 {
  font-family: var(--q-font-display);
  font-size: 1.6rem;
  font-weight: 800;
  margin: 3rem 0 1rem;
  padding-block-end: 0.5rem;
  border-block-end: 2px solid color-mix(in srgb, var(--q-primary), transparent 80%);
  scroll-margin-top: calc(var(--docs-header-h) + 1.5rem);
}
.docs-content h3 { font-size: 1.2rem; font-weight: 700; margin: 2rem 0 0.75rem; }
.docs-content p { margin: 0 0 1rem; }
.docs-content ul, .docs-content ol { margin: 0 0 1rem; padding-inline-start: 1.5rem; }
.docs-content li { margin-block-end: 0.35rem; }
.docs-lead { font-size: 1.15rem; color: var(--q-text-muted); }

.docs-anchor { color: inherit; text-decoration: none; }
.docs-anchor:hover::after { content: " #"; color: var(--q-primary); opacity: 0.6; }

/* ----------------------------- Code blocks ----------------------------- */
.docs-code {
  position: relative;
  margin: 1.25rem 0;
}
.docs-content pre {
  margin: 0;
  padding: 1.1rem 1.25rem;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: var(--q-radius-lg);
  overflow-x: auto;
  font-family: var(--q-font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  direction: ltr;
  text-align: left;
}
.docs-content code { font-family: var(--q-font-mono); font-size: 0.86em; }
.docs-content :not(pre) > code {
  padding: 0.15em 0.4em;
  background: color-mix(in srgb, var(--q-primary), transparent 88%);
  color: var(--q-primary);
  border-radius: 0.3rem;
}
.docs-copy {
  position: absolute;
  inset-block-start: 0.6rem;
  inset-inline-end: 0.6rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #e2e8f0;
  padding: 0.3rem 0.6rem;
  border-radius: var(--q-radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.docs-code:hover .docs-copy { opacity: 1; }
.docs-copy:hover { background: rgba(255,255,255,0.2); }
.docs-copy.copied { background: var(--q-success); border-color: var(--q-success); opacity: 1; }

/* token highlighting (lightweight) */
.tok-tag { color: #7dd3fc; }
.tok-attr { color: #c4b5fd; }
.tok-str { color: #86efac; }
.tok-com { color: #64748b; font-style: italic; }

/* ----------------------------- Live example preview ----------------------------- */
.docs-example {
  margin: 1.5rem 0;
  border: 1px solid var(--q-border);
  border-radius: var(--q-radius-lg);
  overflow: hidden;
  background: var(--q-surface);
}
.docs-example-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--q-text-muted);
  background: var(--q-surface-alt);
  border-block-end: 1px solid var(--q-border);
}
.docs-example-preview { padding: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

/* Callouts */
.docs-callout {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  border-radius: var(--q-radius-lg);
  border: 1px solid var(--q-border);
  border-inline-start: 4px solid var(--q-primary);
  background: color-mix(in srgb, var(--q-primary), transparent 94%);
}
.docs-callout-title { font-weight: 800; margin-block-end: 0.25rem; }
.docs-callout-icon { font-size: 1.2rem; line-height: 1.4; }
.docs-callout.is-tip { border-inline-start-color: var(--q-success); background: color-mix(in srgb, var(--q-success), transparent 93%); }
.docs-callout.is-warn { border-inline-start-color: var(--q-warning); background: color-mix(in srgb, var(--q-warning), transparent 92%); }

/* Tables in docs */
.docs-table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.92rem; }
.docs-table th, .docs-table td { padding: 0.7rem 0.9rem; text-align: start; border-block-end: 1px solid var(--q-border); }
.docs-table th { background: var(--q-surface-alt); font-weight: 700; }
.docs-table code { white-space: nowrap; }

/* ----------------------------- Landing page ----------------------------- */
.docs-hero {
  padding: 5rem 2rem 4rem;
  text-align: center;
  background:
    radial-gradient(60% 80% at 50% 0%, color-mix(in srgb, var(--q-primary), transparent 88%), transparent),
    var(--q-bg);
  border-block-end: 1px solid var(--q-border);
}
.docs-hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 900; margin-block-end: 1rem; line-height: 1.15; }
.docs-hero .docs-lead { font-size: 1.25rem; max-width: 640px; margin-inline: auto; }
.docs-hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin-block-start: 2rem; }
.docs-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}
.docs-feature {
  padding: 1.5rem;
  border: 1px solid var(--q-border);
  border-radius: var(--q-radius-lg);
  background: var(--q-surface);
  transition: transform 0.2s var(--q-ease), box-shadow 0.2s var(--q-ease);
}
.docs-feature:hover { transform: translateY(-3px); box-shadow: var(--q-shadow-lg); }
.docs-feature-icon { font-size: 2rem; margin-block-end: 0.5rem; }
.docs-feature h3 { margin: 0 0 0.4rem; }
.docs-feature p { margin: 0; color: var(--q-text-muted); font-size: 0.92rem; }

.docs-section { max-width: 1100px; margin: 0 auto; padding: 3rem 1.5rem; }
.docs-section-title { font-size: 1.8rem; font-weight: 800; text-align: center; margin-block-end: 2.5rem; }

/* ----------------------------- Theme gallery ----------------------------- */
.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.theme-card {
  border: 1px solid var(--q-border);
  border-radius: var(--q-radius-lg);
  overflow: hidden;
  background: var(--q-surface);
  cursor: pointer;
  transition: transform 0.2s var(--q-ease), box-shadow 0.2s var(--q-ease), border-color 0.2s var(--q-ease);
}
.theme-card:hover { transform: translateY(-4px); box-shadow: var(--q-shadow-lg); border-color: var(--q-primary); }
.theme-card.is-active { border-color: var(--q-primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--q-primary), transparent 75%); }
.theme-swatch-row { display: flex; height: 56px; }
.theme-swatch-row > span { flex: 1; }
.theme-card-body { padding: 1rem 1.1rem; }
.theme-card-name { font-weight: 800; display: flex; align-items: center; justify-content: space-between; }
.theme-card-desc { color: var(--q-text-muted); font-size: 0.85rem; margin-block-start: 0.25rem; }
.theme-mini-demo { margin-block-start: 0.85rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ----------------------------- Playground ----------------------------- */
.playground {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  height: calc(100vh - var(--docs-header-h) - 3rem);
  min-height: 520px;
}
.playground-pane { display: flex; flex-direction: column; border: 1px solid var(--q-border); border-radius: var(--q-radius-lg); overflow: hidden; background: var(--q-surface); }
.playground-pane-header {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  background: var(--q-surface-alt);
  border-block-end: 1px solid var(--q-border);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--q-text-muted);
}
.playground textarea {
  flex: 1; width: 100%; resize: none; border: 0; outline: none;
  padding: 1rem 1.1rem;
  background: #0f172a; color: #e2e8f0;
  font-family: var(--q-font-mono); font-size: 0.86rem; line-height: 1.7;
  direction: ltr; text-align: left;
}
.playground iframe { flex: 1; width: 100%; border: 0; background: var(--q-bg); }
.playground-controls { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-block-end: 1rem; }

/* ----------------------------- Footer ----------------------------- */
.docs-footer {
  border-block-start: 1px solid var(--q-border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--q-text-muted);
  font-size: 0.9rem;
}

/* ----------------------------- Theme switcher control ----------------------------- */
.docs-switcher { display: inline-flex; align-items: center; gap: 0.4rem; }
.docs-switcher select {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--q-border);
  border-radius: var(--q-radius);
  background: var(--q-surface);
  color: var(--q-text);
  font-family: inherit; font-size: 0.85rem; cursor: pointer;
}

/* ----------------------------- Responsive ----------------------------- */
@media (max-width: 991.98px) {
  .docs-sidebar-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .docs-search { display: none; }
  .docs-shell { flex-direction: column; }
  .docs-sidebar {
    position: fixed;
    inset-inline-start: 0;
    inset-block-start: var(--docs-header-h);
    z-index: 1025;
    width: min(86vw, var(--docs-sidebar-w));
    background: var(--q-surface);
    transform: translateX(-100%);
    transition: transform 0.25s var(--q-ease);
    box-shadow: var(--q-shadow-xl);
  }
  [dir="rtl"] .docs-sidebar { transform: translateX(100%); }
  .docs-sidebar.open { transform: translateX(0) !important; }
  .docs-content { padding: 1.5rem; }
  .playground { grid-template-columns: 1fr; height: auto; }
  .playground-pane { min-height: 320px; }
}
@media (min-width: 992px) {
  .docs-nav-links { display: flex !important; }
}

/* Backdrop for mobile sidebar */
.docs-backdrop {
  position: fixed; inset: 0; z-index: 1024;
  background: rgb(15 23 42 / 0.4);
  opacity: 0; visibility: hidden; transition: opacity 0.25s ease, visibility 0.25s ease;
}
.docs-backdrop.show { opacity: 1; visibility: visible; }