/* ==========================================================================
   Vitra Docs — layout & prose
   Chrome is Vitra (glass, badges, buttons); this file only handles the
   docs shell: header bar, sidebar grid, prose column, code blocks.
   ========================================================================== */

.docs-body {
  margin: 0;
  background: var(--vitra-color-bg);
  color: var(--vitra-color-text-primary);
  font-family: var(--vitra-font-family, system-ui, sans-serif);
  line-height: 1.6;
}

/* ---- Header ---- */

.docs-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--vitra-space-3);
  height: 56px;
  padding: 0 var(--vitra-space-5);
  border-bottom: 1px solid var(--vitra-color-border);
  border-radius: 0;
}

.docs-wordmark {
  font-weight: var(--vitra-font-weight-bold);
  font-size: var(--vitra-font-size-lg);
  color: var(--vitra-color-text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.docs-wordmark-dot {
  color: var(--vitra-color-accent);
}

.docs-header-links {
  display: flex;
  align-items: center;
  gap: var(--vitra-space-4);
  margin-left: auto;
}

.docs-header-link {
  color: var(--vitra-color-text-secondary);
  text-decoration: none;
  font-size: var(--vitra-font-size-sm);
}

.docs-header-link:hover {
  color: var(--vitra-color-text-primary);
}

.docs-theme-btn {
  min-width: 90px;
}

.docs-burger {
  display: none;
}

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

.docs-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: var(--vitra-space-8);
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--vitra-space-6) var(--vitra-space-5) var(--vitra-space-12);
}

.docs-sidebar {
  position: sticky;
  top: calc(56px + var(--vitra-space-4));
  align-self: start;
  max-height: calc(100vh - 56px - var(--vitra-space-8));
  overflow-y: auto;
  padding: var(--vitra-space-4);
  border-radius: var(--vitra-radius-lg);
}

.docs-nav-link {
  display: block;
  padding: 6px 10px;
  border-radius: var(--vitra-radius-sm);
  color: var(--vitra-color-text-secondary);
  text-decoration: none;
  font-size: var(--vitra-font-size-sm);
  transition: color var(--vitra-duration-fast) var(--vitra-ease-default),
              background var(--vitra-duration-fast) var(--vitra-ease-default);
}

.docs-nav-link:hover {
  color: var(--vitra-color-text-primary);
  background: var(--vitra-color-surface-hover);
}

.docs-nav-link.active {
  color: var(--vitra-color-accent);
  background: var(--vitra-color-surface-hover);
  font-weight: var(--vitra-font-weight-medium);
}

/* ---- Hero ---- */

.docs-hero {
  padding: var(--vitra-space-8) var(--vitra-space-6);
  border-radius: var(--vitra-radius-lg);
  background-image: linear-gradient(
    135deg,
    hsla(var(--vitra-color-accent-h), 80%, 60%, 0.14),
    transparent 60%
  );
}

.docs-hero-title {
  margin: 0 0 var(--vitra-space-2);
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.02em;
}

.docs-hero-tagline {
  margin: 0 0 var(--vitra-space-4);
  color: var(--vitra-color-text-secondary);
  max-width: 55ch;
}

.docs-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--vitra-space-2);
  margin: 0;
}

/* ---- Prose ---- */

.docs-main {
  min-width: 0;
}

.docs-section {
  padding: var(--vitra-space-8) 0;
  border-bottom: 1px solid var(--vitra-color-border);
  max-width: 72ch;
}

.docs-section h2 {
  scroll-margin-top: 80px;
  font-size: var(--vitra-font-size-2xl);
  letter-spacing: -0.01em;
  margin-top: 0;
}

.docs-section h3 {
  scroll-margin-top: 80px;
  margin-top: var(--vitra-space-6);
}

.docs-section p,
.docs-section li {
  color: var(--vitra-color-text-secondary);
}

.docs-section p > code,
.docs-section li > code,
.docs-section td > code {
  background: var(--vitra-color-surface);
  border: 1px solid var(--vitra-color-border);
  border-radius: var(--vitra-radius-sm);
  padding: 1px 5px;
  font-size: 0.875em;
  color: var(--vitra-color-text-primary);
}

.docs-section table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--vitra-font-size-sm);
}

.docs-section th,
.docs-section td {
  text-align: left;
  padding: var(--vitra-space-2) var(--vitra-space-3);
  border-bottom: 1px solid var(--vitra-color-border);
}

/* ---- Code blocks ---- */

.docs-code {
  position: relative;
  margin: var(--vitra-space-3) 0;
}

.docs-code pre {
  margin: 0;
  overflow-x: auto;
  background: var(--vitra-color-surface);
  border: 1px solid var(--vitra-color-border);
  border-radius: var(--vitra-radius-md);
  padding: var(--vitra-space-4);
  font-size: var(--vitra-font-size-sm);
  line-height: 1.55;
}

.docs-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
}

/* ---- Live example panels ---- */

.docs-example {
  display: flex;
  flex-wrap: wrap;
  gap: var(--vitra-space-3);
  align-items: center;
  padding: var(--vitra-space-5);
  margin: var(--vitra-space-3) 0 var(--vitra-space-2);
  border: 1px solid var(--vitra-color-border);
  border-radius: var(--vitra-radius-md);
}

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

.docs-footer {
  padding-top: var(--vitra-space-8);
  font-size: var(--vitra-font-size-sm);
  color: var(--vitra-color-text-secondary);
}

.docs-footer a {
  color: var(--vitra-color-accent);
}

/* ---- Mobile ---- */

@media (max-width: 860px) {
  .docs-header-links .docs-header-link {
    display: none;
  }

  .docs-burger {
    display: inline-flex;
  }

  .docs-shell {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    width: min(280px, 80vw);
    max-height: none;
    border-radius: 0;
    transform: translateX(-100%);
    transition: transform var(--vitra-duration-normal) var(--vitra-ease-default);
    z-index: 90;
  }

  .docs-sidebar.open {
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .docs-sidebar {
    transition: none;
  }
}