/* Global customization */

:root {
    --code-max-height: 60rem;
}

/* ============================================
   Header Color Tokens (Claude-inspired warm tones)
   ============================================ */
:root,
:root[data-theme="light"] {
  --header-bg: #FAFAF8;
  --header-nav-hover-bg: rgba(0, 0, 0, 0.05);
  --header-nav-active-bg: rgba(165, 0, 52, 0.08);
  --header-text: #1A1A1A;
  --header-text-secondary: #6B7280;
}

:root[data-theme="dark"] {
  --header-bg: #1A1A1E;
  --header-nav-hover-bg: rgba(255, 255, 255, 0.07);
  --header-nav-active-bg: rgba(255, 77, 109, 0.12);
  --header-text: #E8E8E8;
  --header-text-secondary: #9CA3AF;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --header-bg: #1A1A1E;
    --header-nav-hover-bg: rgba(255, 255, 255, 0.07);
    --header-nav-active-bg: rgba(255, 77, 109, 0.12);
    --header-text: #E8E8E8;
    --header-text-secondary: #9CA3AF;
  }
}

.header {
  background-color: var(--header-bg);
}

/* ============================================
   Header 3-Column Layout (Brand | Nav | Right)
   ============================================ */
.header__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ============================================
   Header Brand Typography Override
   ============================================ */
.header__logo-title {
  font-size: clamp(28px, 2.2vw, 36px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
}

/* ============================================
   Header Nav Hover Pill Styles
   ============================================ */
.header__nav-item {
  padding: 6px 14px;
  border-radius: 999px;
  transition: color 180ms ease, background-color 180ms ease;
}

.header__nav-item:hover {
  background-color: var(--header-nav-hover-bg);
  color: var(--header-text);
}

.header__nav-item:active {
  background-color: var(--header-nav-hover-bg);
  opacity: 0.8;
}

.header__nav-item.is-active {
  color: var(--color-primary);
  background-color: var(--header-nav-active-bg);
}

.header__nav-item.is-active:hover {
  background-color: var(--header-nav-active-bg);
}

.header__nav-item.is-active::after {
  bottom: -14px;
}


.card__date {
  font-size: 0.85rem;
  color: var(--body-font-color);
  opacity: 0.6;
  margin-top: 0.25rem;
  display: block;
}

/* ============================================
   Download Page: PDF Link Styling
   ============================================ */

/* Style PDF links as visual download item buttons */
.doc-content__body li > a[href$=".pdf"],
.doc-content__body li > a[href*="/pdf/"] {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background-color: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--color-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    margin-bottom: var(--space-2);
}

.doc-content__body li > a[href$=".pdf"]::before,
.doc-content__body li > a[href*="/pdf/"]::before {
    content: "↓";
    font-size: 1.1em;
    line-height: 1;
    color: var(--color-primary);
    flex-shrink: 0;
    font-weight: 700;
}

.doc-content__body li > a[href$=".pdf"]:hover,
.doc-content__body li > a[href*="/pdf/"]:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

/* Remove bullet markers from PDF download link lists */
.doc-content__body ul:has(> li > a[href$=".pdf"]),
.doc-content__body ul:has(> li > a[href*="/pdf/"]) {
    list-style: none;
    padding-left: 0;
}

/* ============================================
   Download Page: Version Card Grid
   ============================================ */

/* Clear visual separation for version card grid */
.doc-content .card-grid {
    margin-top: var(--space-6);
}

/* ============================================
   Card Hover Effects - Enhanced Lift
   ============================================ */

/* Extend transition to include transform for lift effect */
.card {
    transform: translateY(0);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Mobile Responsiveness Improvements (< 768px)
   ============================================ */

@media (max-width: 768px) {
    /* Improve body text line-height for readability */
    .doc-content__body {
        line-height: var(--line-height-relaxed);
    }

    /* More generous content padding */
    .layout__main {
        padding: var(--space-5) var(--space-4);
    }

    /* Card grid: comfortable gaps on single-column mobile */
    .card-grid {
        gap: var(--space-4);
    }

    /* Better touch targets for sidebar links (44px min per WCAG) */
    .sidebar__link {
        min-height: 44px;
        padding-top: 0.625rem;
        padding-bottom: 0.625rem;
    }

    .sidebar__link--leaf {
        min-height: 40px;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .sidebar__group-btn {
        min-height: 44px;
    }

    .sidebar__section-title {
        min-height: 44px;
    }

    /* Download PDF links: larger tap area on mobile */
    .doc-content__body li > a[href$=".pdf"],
    .doc-content__body li > a[href*="/pdf/"] {
        padding: var(--space-4);
        font-size: var(--font-size-base);
        min-height: 52px;
    }

    /* Sidebar section spacing on mobile */
    .sidebar__section {
        margin-bottom: var(--space-3);
    }

    /* Better sidebar version selector touch target */
    .sidebar__version-select {
        min-height: 40px;
    }
}

/* ============================================
   Ask Docs Floating Button (Claude Docs style)
   ============================================ */
.ask-docs-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background-color: var(--color-primary, #2563eb);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
  line-height: 1;
}

.ask-docs-btn:hover {
  background-color: var(--color-primary-hover, #1d4ed8);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16), 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.ask-docs-btn:active {
  transform: translateY(0);
}

.ask-docs-btn svg {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .ask-docs-btn {
    bottom: 16px;
    right: 16px;
    padding: 10px 14px;
    font-size: 13px;
  }
}

/* ============================================
   AsciiDoctor Include Overrides
   ============================================ */
.doc-include #toc { display: none !important; }
.doc-include #toc.toc2 { position: static !important; left: auto !important; width: auto !important; }
.doc-include #header { display: none !important; }
.doc-include #content { margin: 0 !important; padding: 0 !important; }
.doc-include body { padding: 0 !important; margin: 0 !important; }