/* ============================================
   DamascusCharts Documentation — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Palette */
  --color-white: #ffffff;
  --color-bg: #f8f9fb;
  --color-bg-alt: #f1f3f5;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-border-light: #f0f1f3;
  --color-text-primary: #1a1d23;
  --color-text-secondary: #5f6672;
  --color-text-tertiary: #9ca3af;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-light: #eff6ff;
  --color-accent-muted: #dbeafe;
  --color-code-bg: #1e1e2e;
  --color-code-text: #cdd6f4;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-info: #6366f1;
  --color-get: #10b981;
  --color-post: #f59e0b;
  --color-get-bg: #ecfdf5;
  --color-post-bg: #fffbeb;
  --color-get-border: #a7f3d0;
  --color-post-border: #fde68a;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --sidebar-width: 280px;
  --header-height: 64px;
  --content-max-width: 860px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-normal: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent-hover); }

::selection {
  background: var(--color-accent-muted);
  color: var(--color-accent-hover);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-tertiary); }

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 24px;
  transition: box-shadow var(--transition-normal);
}
.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  width: var(--sidebar-width);
  flex-shrink: 0;
}

.header__logo-placeholder {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.header__logo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.header__logo-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15));
  border-radius: inherit;
}

.header__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--color-text-primary);
}
.header__title span {
  font-weight: 400;
  color: var(--color-text-tertiary);
  margin-left: 4px;
  font-size: 13px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.header__tab {
  padding: 8px 18px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  border: none;
  background: none;
  font-family: inherit;
}
.header__tab:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-alt);
}
.header__tab.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
}
.header__tab.active::after {
  content: '';
  position: absolute;
  bottom: -13px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 99px;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header__search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text-tertiary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 200px;
}
.header__search:hover {
  border-color: var(--color-text-tertiary);
  background: var(--color-white);
}
.header__search kbd {
  margin-left: auto;
  padding: 2px 7px;
  font-size: 11px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  color: var(--color-text-tertiary);
}

.header__version {
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 99px;
  letter-spacing: 0.3px;
}

/* Mobile menu button */
.header__menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.header__menu-btn:hover {
  background: var(--color-bg-alt);
  color: var(--color-text-primary);
}

/* ============================================
   LAYOUT
   ============================================ */
.layout {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: 20px 0;
  z-index: 900;
  transition: transform var(--transition-normal);
}

.sidebar__section {
  margin-bottom: 8px;
}

.sidebar__heading {
  padding: 6px 24px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-tertiary);
  margin-bottom: 2px;
}

.sidebar__group {
  margin-bottom: 2px;
}

.sidebar__group-toggle {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 8px 24px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition-fast);
  text-align: left;
  gap: 8px;
}
.sidebar__group-toggle:hover {
  color: var(--color-text-primary);
  background: var(--color-bg);
}
.sidebar__group-toggle .chevron {
  margin-left: auto;
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
  opacity: 0.4;
  flex-shrink: 0;
}
.sidebar__group.open .sidebar__group-toggle .chevron {
  transform: rotate(90deg);
}
.sidebar__group.open > .sidebar__group-toggle {
  color: var(--color-text-primary);
}

.sidebar__items {
  display: none;
  padding-left: 0;
}
.sidebar__group.open .sidebar__items {
  display: block;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 24px 7px 42px;
  font-size: 13px;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
  text-decoration: none;
  position: relative;
}
.sidebar__link:hover {
  color: var(--color-text-primary);
  background: var(--color-bg);
}
.sidebar__link.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-left-color: var(--color-accent);
  font-weight: 500;
}

.sidebar__method {
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 1px 5px;
  border-radius: 3px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.sidebar__method--get {
  color: var(--color-get);
  background: var(--color-get-bg);
}
.sidebar__method--post {
  color: #d97706;
  background: var(--color-post-bg);
}

/* Logo in sidebar */
.sidebar__logo-area {
  padding: 16px 24px 24px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar__logo-img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sidebar__logo-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.sidebar__logo-img .placeholder-text {
  padding: 20px;
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-align: center;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 40px 48px 80px;
  max-width: calc(var(--sidebar-width) + var(--content-max-width) + 96px);
}

.main__content {
  max-width: var(--content-max-width);
}

/* --- Tab Panels --- */
.tab-panel {
  display: none;
  animation: fadeInUp 0.35s var(--ease-out);
}
.tab-panel.active {
  display: block;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Section Spacing --- */
.doc-section {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

/* --- Hero / Intro --- */
.hero {
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 48px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 99px;
  margin-bottom: 20px;
  letter-spacing: 0.2px;
}
.hero__badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--color-text-primary);
}
.hero p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 620px;
}

.hero__coverage {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.hero__coverage-tag {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--color-bg-alt);
  color: var(--color-text-secondary);
  border-radius: 99px;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-fast);
}
.hero__coverage-tag:hover {
  background: var(--color-white);
  border-color: var(--color-border);
  transform: translateY(-1px);
}

/* --- Pricing Grid --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

.pricing-tier-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
  text-align: center;
  position: relative;
  /* overflow: hidden removed to allow badge to protrude */
}

.pricing-tier-button:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* --- Tier Variations --- */
.pricing-tier--gold {
  border: 2px solid #d4af37;
  background: linear-gradient(135deg, #fffdfa 0%, #fff 100%);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.1);
}

.pricing-tier--gold:hover {
  box-shadow: 0 12px 30px rgba(212, 175, 55, 0.2);
  border-color: #f1c40f;
}

.pricing-tier--holographic {
  border: none;
  padding: 1px; /* background handles border look */
  background: linear-gradient(135deg, #f0f4ff, #fff, #f5f0ff);
  background-size: 200% 200%;
}

.pricing-tier--holographic::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, #00f2fe, #4facfe, #7928ca, #ff0080, #00f2fe);
  background-size: 400% 400%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  animation: hologram 10s linear infinite;
}

.pricing-tier--holographic:hover::before {
  opacity: 1;
}

@keyframes hologram {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- Details --- */
.pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #d4af37;
  color: white;
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
  white-space: nowrap;
  z-index: 10;
}

.pricing-tier-name {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}

.pricing-tier--gold .pricing-tier-name { color: #b8860b; }
.pricing-tier--holographic .pricing-tier-name {
  background: linear-gradient(90deg, #7928ca, #ff0080);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pricing-tier-price {
  font-size: 36px;
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 24px;
}

.pricing-tier-price span {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.pricing-tier-action {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  padding: 10px 24px;
  background: var(--color-text-primary);
  border-radius: 99px;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pricing-tier-button:hover .pricing-tier-action {
  transform: scale(1.05);
}

.pricing-tier--gold .pricing-tier-action { background: #d4af37; }
.pricing-tier--holographic .pricing-tier-action { 
  background: linear-gradient(135deg, #7928ca, #ff0080);
}

/* --- Typography --- */
.doc-section h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}

.doc-section h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin: 32px 0 12px;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.doc-section h3 .anchor-link {
  opacity: 0;
  color: var(--color-text-tertiary);
  font-size: 16px;
  transition: opacity var(--transition-fast);
  cursor: pointer;
}
.doc-section h3:hover .anchor-link {
  opacity: 1;
}

.doc-section h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.doc-section p {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  font-size: 14.5px;
  line-height: 1.75;
}

.doc-section ul, .doc-section ol {
  margin-bottom: 16px;
  padding-left: 20px;
}
.doc-section li {
  color: var(--color-text-secondary);
  font-size: 14.5px;
  margin-bottom: 6px;
  line-height: 1.65;
}

/* --- Endpoint Card --- */
.endpoint-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin: 16px 0 28px;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}
.endpoint-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-muted);
}

.endpoint-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.endpoint-card__method {
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}
.endpoint-card__method--get {
  color: var(--color-get);
  background: var(--color-get-bg);
  border: 1px solid var(--color-get-border);
}
.endpoint-card__method--post {
  color: #d97706;
  background: var(--color-post-bg);
  border: 1px solid var(--color-post-border);
}

.endpoint-card__path {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-primary);
  background: var(--color-bg);
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
}

.endpoint-card__copy {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.endpoint-card__copy:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}
.endpoint-card__copy.copied {
  border-color: var(--color-success);
  color: var(--color-success);
  background: #ecfdf5;
}

/* --- Parameters Table --- */
.params-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 12px 0 20px;
  font-size: 13.5px;
}
.params-table thead th {
  background: var(--color-bg);
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border);
}
.params-table tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
  color: var(--color-text-secondary);
}
.params-table tbody tr:last-child td {
  border-bottom: none;
}
.params-table tbody tr:hover {
  background: var(--color-bg);
}
.params-table .param-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}
.params-table .param-required {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ef4444;
  margin-left: 6px;
}
.params-table .param-optional {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-tertiary);
  margin-left: 6px;
}

/* --- Category Tables --- */
.category-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 12px 0 28px;
  font-size: 13.5px;
}
.category-table thead th {
  background: var(--color-bg);
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border);
}
.category-table tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
}
.category-table tbody tr:last-child td {
  border-bottom: none;
}
.category-table tbody tr:hover {
  background: var(--color-bg);
}
.category-table .cat-value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 2px 8px;
  border-radius: 4px;
}

/* --- Code Block --- */
.code-block {
  background: var(--color-code-bg);
  border-radius: var(--radius-md);
  margin: 12px 0 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.code-block__lang {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(205, 214, 244, 0.5);
}
.code-block__copy {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  background: transparent;
  color: rgba(205, 214, 244, 0.6);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}
.code-block__copy:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(205, 214, 244, 0.9);
}
.code-block__copy.copied {
  color: var(--color-success);
  border-color: var(--color-success);
}
.code-block pre {
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-code-text);
  tab-size: 2;
}

/* JSON syntax colors */
.code-block .json-key { color: #89b4fa; }
.code-block .json-string { color: #a6e3a1; }
.code-block .json-number { color: #fab387; }
.code-block .json-bool { color: #cba6f7; }
.code-block .json-null { color: #f38ba8; }
.code-block .json-bracket { color: #bac2de; }

/* --- Callout / Note --- */
.callout {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 16px 0 24px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--color-text-secondary);
}
.callout--info {
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent-muted);
}
.callout--info .callout__icon { color: var(--color-accent); }
.callout--warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
}
.callout--warning .callout__icon { color: var(--color-warning); }
.callout--success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
}
.callout--success .callout__icon { color: var(--color-success); }

.callout__icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

/* --- Inline code --- */
code:not(.code-block code) {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 2px 7px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 40px 0;
  border: none;
}

/* --- Status Badges --- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 99px;
}
.status-badge--optimal {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}
.status-badge--fallback {
  background: #fffbeb;
  color: #d97706;
  border: 1px solid #fde68a;
}

/* --- Working Examples Links --- */
.example-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0 20px;
}
.example-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: all var(--transition-fast);
  font-size: 13px;
  color: var(--color-text-secondary);
}
.example-link:hover {
  border-color: var(--color-accent-muted);
  background: var(--color-accent-light);
  color: var(--color-accent);
  transform: translateX(4px);
}
.example-link__label {
  font-weight: 600;
  color: var(--color-text-primary);
  min-width: 100px;
}
.example-link code {
  font-size: 12px;
}

/* --- Footer / On This Page --- */
.on-this-page {
  position: fixed;
  right: 32px;
  top: calc(var(--header-height) + 40px);
  width: 200px;
  font-size: 12.5px;
}
.on-this-page__title {
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}
.on-this-page__link {
  display: block;
  padding: 4px 12px;
  color: var(--color-text-tertiary);
  border-left: 2px solid var(--color-border-light);
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.5;
  margin-bottom: 2px;
}
.on-this-page__link:hover {
  color: var(--color-text-secondary);
  border-left-color: var(--color-border);
}
.on-this-page__link.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* --- Back to top --- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  z-index: 100;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.back-to-top:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1280px) {
  .on-this-page { display: none; }
}

@media (max-width: 1024px) {
  .header__search { display: none; }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 260px;
  }

  .header__nav { display: none; }
  .header__brand { width: auto; }
  .header__menu-btn { display: flex; }
  .header__version { display: none; }

  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    z-index: 899;
  }
  .sidebar-overlay.open {
    display: block;
  }

  .main {
    margin-left: 0;
    padding: 24px 20px 60px;
  }

  .hero h1 { font-size: 28px; }

  .endpoint-card { padding: 16px 18px; }
  .endpoint-card__header { flex-wrap: wrap; }
  .endpoint-card__path { font-size: 12px; }

  .params-table { font-size: 12.5px; }
  .params-table thead th,
  .params-table tbody td {
    padding: 8px 12px;
  }
}

/* --- Mobile Tab Navigation (shown on small screens) --- */
.mobile-tabs {
  display: none;
  overflow-x: auto;
  white-space: nowrap;
  padding: 12px 20px;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
  -webkit-overflow-scrolling: touch;
}
.mobile-tabs::-webkit-scrollbar { height: 0; }

@media (max-width: 768px) {
  .mobile-tabs { display: flex; }
}

/* --- Animations --- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-bg-alt) 25%, var(--color-white) 50%, var(--color-bg-alt) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: var(--radius-sm);
}

/* --- Print --- */
@media print {
  .header, .sidebar, .on-this-page, .back-to-top {
    display: none !important;
  }
  .main {
    margin: 0;
    padding: 20px;
  }
  .code-block {
    break-inside: avoid;
  }
}