/*
 * uilib Documentation Site Styles
 */

/* ── Layout ── */
.site {
  display: flex;
  min-height: 100vh;
}

.site-sidebar {
  width: 16rem;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 50;
  transition: transform 0.2s ease;
}

.site-main {
  margin-left: 16rem;
  flex: 1;
  min-width: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  height: 4rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.site-content {
  max-width: 52rem;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

/* ── Sidebar ── */
.sidebar-logo {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-divider);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-logo:hover { text-decoration: none; }

.sidebar-version {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
}

.sidebar-section {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: var(--space-4) var(--space-5) var(--space-2);
}

.sidebar-link {
  display: block;
  padding: 0.375rem var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all 0.15s ease;
}

.sidebar-link:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.sidebar-link.active {
  color: var(--color-primary);
  background: rgba(99, 102, 241, 0.08);
  font-weight: 500;
}

/* ── Mobile sidebar ── */
.sidebar-toggle-btn {
  display: none;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .site-sidebar {
    transform: translateX(-100%);
  }
  .site-sidebar.open {
    transform: translateX(0);
  }
  .site-main {
    margin-left: 0;
  }
  .sidebar-toggle-btn {
    display: flex;
  }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 45;
  }
}

/* ── Preview + Code tabs ── */
.component-section {
  margin-bottom: var(--space-10);
}

.component-section h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.component-section p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.preview-code-tabs {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.tab-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.preview-pane {
  padding: var(--space-6);
  background: var(--color-bg);
  min-height: 6rem;
}

.code-pane {
  display: none;
  position: relative;
  background: #1e293b;
  padding: var(--space-4);
  overflow-x: auto;
}

.code-pane.active {
  display: block;
}

.code-pane pre {
  margin: 0;
  background: transparent;
  border: none;
  padding: 0;
  color: #e2e8f0;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.copy-btn {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: #94a3b8;
  background: #334155;
  border: 1px solid #475569;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  color: #f1f5f9;
  background: #475569;
}

.copy-btn.copied {
  color: #22c55e;
  border-color: #22c55e;
}

/* ── Home page hero ── */
.hero-section {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(99, 102, 241, 0.02));
  border-bottom: 1px solid var(--color-border);
}

.hero-section h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-text), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 36rem;
  margin: 0 auto var(--space-6);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Feature grid (home) ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: var(--space-4);
  padding: var(--space-8) var(--space-6);
  max-width: 64rem;
  margin: 0 auto;
}

.feature-card {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.feature-card h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Component count badge ── */
.component-count {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.component-count strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ── Syntax highlighting (Prism override) ── */
code[class*="language-"],
pre[class*="language-"] {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: #e2e8f0;
  background: none;
  text-shadow: none;
  tab-size: 2;
}

.token.tag { color: #7dd3fc; }
.token.attr-name { color: #a5b4fc; }
.token.attr-value { color: #86efac; }
.token.punctuation { color: #94a3b8; }
.token.keyword { color: #c4b5fd; }
.token.string { color: #86efac; }
.token.comment { color: #64748b; font-style: italic; }