/* Data-Juicer Sphinx Theme */

/* ==================== Design Tokens ==================== */
:root {
  --primary: 244 114 11;
  --primary-light: 255 244 236;
  --primary-dark: 200 90 0;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Light mode */
  --bg: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-tertiary: #6b7280;
  --border: #e5e7eb;
  --border-light: rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --code-bg: #f8f9fa;
  --code-border: #e9ecef;
  --sidebar-width: 260px;
  --toc-width: 220px;
  --navbar-height: 60px;
  --content-max-width: 780px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

[data-theme="dark"] {
  --bg: #0e0e10;
  --bg-secondary: #18181b;
  --bg-tertiary: #27272a;
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --border: rgba(255, 255, 255, 0.1);
  --border-light: rgba(255, 255, 255, 0.06);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --code-bg: #1e1e22;
  --code-border: rgba(255, 255, 255, 0.1);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg);
  transition: background 0.2s ease, color 0.2s ease;
}

a {
  color: rgb(var(--primary));
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: rgb(var(--primary-dark));
}

/* ==================== Navbar ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.85);
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .navbar {
  background: rgba(14, 14, 16, 0.85);
}

.navbar-inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: 100%;
  padding: 0 1.5rem;
  gap: 1rem;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: var(--sidebar-width);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--text-primary);
}

.navbar-logo {
  height: 28px;
  width: auto;
}

.navbar-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.navbar-center {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.navbar-link {
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s ease;
}

.navbar-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.navbar-link .external-icon {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 2px;
  opacity: 0.5;
  vertical-align: middle;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all 0.15s ease;
}

.navbar-icon-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.sidebar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.sidebar-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ==================== Dropdowns ==================== */
.dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.dropdown-trigger:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.dropdown-icon {
  font-size: 0.875rem;
}

.dropdown-icon-svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.dropdown-chevron {
  transition: transform 0.2s ease;
}

.dropdown.active .dropdown-chevron {
  transform: rotate(180deg);
}

.dropdown-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 140px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.375rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 200;
  max-height: 320px;
  overflow-y: auto;
}

.dropdown.active .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.dropdown-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.dropdown-item.active {
  color: rgb(var(--primary));
  font-weight: 500;
}

/* ==================== Theme Toggle ==================== */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* ==================== Sidebar ==================== */
.sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  overflow-y: auto;
  padding: 1rem 0.75rem 2rem 1rem;
  background: var(--bg);
  z-index: 50;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

.sidebar:hover {
  scrollbar-color: var(--border) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 3px;
}

.sidebar:hover::-webkit-scrollbar-thumb {
  background: var(--border);
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav > ul > li {
  margin-bottom: 0.25rem;
}

.sidebar-nav li a,
.sidebar-nav .caption-text {
  display: block;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.sidebar-nav li a {
  color: var(--text-secondary);
}

.sidebar-nav li a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.sidebar-nav li.current > a {
  color: rgb(var(--primary));
  background: rgb(var(--primary-light));
  font-weight: 500;
}

[data-theme="dark"] .sidebar-nav li.current > a {
  background: rgba(244, 114, 11, 0.1);
}

.sidebar-nav .caption-text {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-top: 1.25rem;
  margin-bottom: 0.25rem;
  padding-left: 0.75rem;
}

/* Home entry sits above the first caption group */
.sidebar-nav .sidebar-home {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-nav .sidebar-home + p.caption .caption-text,
.sidebar-nav .sidebar-home + div > p.caption .caption-text {
  margin-top: 0.75rem;
}

.sidebar-nav ul ul {
  padding-left: 0.75rem;
  border-left: 1px solid var(--border-light);
  margin-left: 0.75rem;
  display: none !important;
}

.sidebar-nav li.expanded > ul {
  display: block !important;
}

.sidebar-nav li.has-children > a {
  padding-right: 1.75rem;
  position: relative;
}

.sidebar-nav .toc-toggle {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.5;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.sidebar-nav .toc-toggle:hover {
  opacity: 1;
}

.sidebar-nav li.expanded > a .toc-toggle {
  transform: translateY(-50%) rotate(90deg);
}

/* ==================== Page Layout ==================== */
.page-wrapper {
  display: flex;
  padding-top: var(--navbar-height);
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  margin-right: var(--toc-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
  transition: margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-wrapper {
  display: block;
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 2rem 2rem;
  flex: 1;
  box-sizing: border-box;
}

.article {
  min-width: 0;
}

.article > section:first-child {
  margin-top: 0;
  padding-top: 0;
}

/* ==================== TOC Sidebar ==================== */
.toc-sidebar {
  position: fixed;
  top: var(--navbar-height);
  right: 0;
  bottom: 0;
  width: var(--toc-width);
  overflow-y: auto;
  padding: 2.5rem 1.5rem 2rem 1rem;
  background: var(--bg);
  z-index: 40;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.toc-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin: 0 0 0.75rem;
}

.toc-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 1px solid var(--border-light);
}

.toc-sidebar ul ul {
  border-left: none;
  padding-left: 0;
  margin-left: 0;
}

.toc-sidebar li {
  margin: 0;
}

.toc-sidebar a {
  display: block;
  padding: 0.25rem 0 0.25rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: all 0.15s ease;
}

/* Nested TOC levels: progressive indentation */
.toc-sidebar ul ul a {
  padding-left: 1.75rem;
  font-size: 0.75rem;
}

.toc-sidebar ul ul ul a {
  padding-left: 2.5rem;
  font-size: 0.75rem;
}

.toc-sidebar a:hover {
  color: var(--text-primary);
}

.toc-sidebar a.active {
  color: rgb(var(--primary));
  border-left-color: rgb(var(--primary));
}

/* ==================== Typography ==================== */
.article h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 1rem;
  color: var(--text-primary);
}

.article h2 {
  font-size: 1.375rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 2.5rem 0 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-primary);
}

.article h3 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 2rem 0 0.5rem;
  color: var(--text-primary);
}

.article h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--text-primary);
}

.article .headerlink {
  display: none;
  margin-left: 0.25rem;
  color: var(--text-tertiary);
  font-weight: 400;
}

.article h1:hover .headerlink,
.article h2:hover .headerlink,
.article h3:hover .headerlink,
.article h4:hover .headerlink {
  display: inline;
}

.article p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.article strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ==================== Code Blocks ==================== */
.article code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.article p code,
.article li code,
.article td code {
  padding: 0.125rem 0.375rem;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  color: rgb(var(--primary-dark));
}

[data-theme="dark"] .article p code,
[data-theme="dark"] .article li code,
[data-theme="dark"] .article td code {
  color: rgb(var(--primary));
}

.article pre {
  position: relative;
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.7;
}

.article .highlight {
  position: relative;
  margin: 1.5rem 0;
}

.article .highlight pre {
  margin: 0;
  border-radius: var(--radius-lg);
}

/* ==================== Tables ==================== */
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: block;
  overflow-x: auto;
}

.article th {
  background: var(--bg-secondary);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}

.article td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.article tr:last-child td {
  border-bottom: none;
}

.article tr:hover td {
  background: var(--bg-secondary);
}

/* ==================== Lists ==================== */
.article ul, .article ol {
  padding-left: 1.5rem;
  margin: 0 0 1rem;
}

.article li {
  margin: 0.375rem 0;
  color: var(--text-secondary);
}

.article li::marker {
  color: var(--text-tertiary);
}

/* ==================== Blockquotes / Admonitions ==================== */
.article blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid rgb(var(--primary));
  background: rgb(var(--primary-light));
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}

.article blockquote p:last-child {
  margin-bottom: 0;
}

[data-theme="dark"] .article blockquote {
  background: rgba(244, 114, 11, 0.06);
}

.article .admonition {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
}

.article .admonition-title {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.article .admonition.note {
  border-left: 3px solid #3b82f6;
  background: rgba(59, 130, 246, 0.05);
}

.article .admonition.warning {
  border-left: 3px solid #f59e0b;
  background: rgba(245, 158, 11, 0.05);
}

.article .admonition.danger {
  border-left: 3px solid #ef4444;
  background: rgba(239, 68, 68, 0.05);
}

.article .admonition.tip {
  border-left: 3px solid #10b981;
  background: rgba(16, 185, 129, 0.05);
}

/* ==================== Images ==================== */
.article img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1rem 0;
}

/* ==================== Sample Cards (operator pages) ==================== */
[data-theme="dark"] .sample-card {
  background: var(--bg-secondary) !important;
  border-color: var(--border) !important;
  box-shadow: var(--shadow-sm) !important;
}

[data-theme="dark"] .sample-header {
  background: var(--bg-tertiary) !important;
  color: var(--text-secondary) !important;
  border-left-color: rgb(var(--primary)) !important;
}

[data-theme="dark"] .media-label {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .sample-card details summary {
  color: rgb(var(--primary)) !important;
}

[data-theme="dark"] .sample-card video {
  border-radius: var(--radius-sm);
}

/* ==================== Prev/Next Navigation ==================== */
.prev-next {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 3rem auto 2rem;
  padding: 0 2rem;
  max-width: var(--content-max-width);
}

.prev-next-link {
  display: flex;
  flex-direction: column;
  padding: 0.625rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  text-decoration: none;
}

.prev-next-link:hover {
  border-color: rgb(var(--primary));
  box-shadow: var(--shadow-sm);
}

.prev-next-link.next {
  text-align: right;
  margin-left: auto;
}

.prev-next-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 0.25rem;
}

.prev-next-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(var(--primary));
}

/* ==================== Footer ==================== */
.footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-light);
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.footer a {
  color: var(--text-secondary);
}

/* ==================== Sidebar Overlay (mobile) ==================== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 40;
  opacity: 0;
  transition: opacity 0.2s ease;
}

/* ==================== Responsive ==================== */
@media (max-width: 1200px) {
  .toc-sidebar {
    display: none;
  }

  .main-content {
    margin-right: 0;
  }
}

@media (max-width: 900px) {
  .sidebar-toggle {
    display: flex;
  }

  .navbar-center {
    display: none;
  }

  .navbar-left {
    min-width: auto;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 60;
  }

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

  .sidebar-overlay.visible {
    display: block;
    opacity: 1;
  }

  .main-content {
    margin-left: 0;
  }

  .content-wrapper {
    padding: 1.5rem 1rem;
  }

  .prev-next {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }

  .prev-next-link.next {
    grid-column: 1;
    text-align: left;
  }
}

@media (max-width: 600px) {
  .dropdown-text {
    display: none;
  }

  .article h1 {
    font-size: 1.5rem;
  }

  .article h2 {
    font-size: 1.25rem;
  }


}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 2px;
  transition: background 0.2s;
}

:hover::-webkit-scrollbar-thumb {
  background: var(--border);
}

::-webkit-scrollbar-track {
  background: transparent;
}

html {
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

html:hover {
  scrollbar-color: var(--border) transparent;
}

/* ==================== Search Modal ==================== */
.search-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
}

.search-trigger:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 300;
  justify-content: center;
  padding-top: 15vh;
}

.search-overlay.visible {
  display: flex;
}

.search-modal {
  width: 100%;
  max-width: 600px;
  max-height: 60vh;
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.search-modal-input {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  gap: 0.75rem;
}

.search-modal-input svg {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.search-modal-input input {
  flex: 1;
  border: none;
  background: none;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  outline: none;
}

.search-modal-input input::placeholder {
  color: var(--text-tertiary);
}

.search-modal-results {
  overflow-y: auto;
  padding: 0.5rem;
  flex: 1;
}

.search-result-item {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: all 0.1s ease;
}

.search-result-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.search-result-title {
  font-weight: 500;
  color: var(--text-primary);
}

.search-result-context {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}

.search-modal-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  display: flex;
  gap: 1rem;
}

.search-modal-footer kbd {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  padding: 0.125rem 0.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 3px;
}

/* ==================== Search Page ==================== */
.search-page input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg);
  outline: none;
  transition: border-color 0.15s ease;
}

.search-page input:focus {
  border-color: rgb(var(--primary));
}

/* ==================== SPA Loading Bar ==================== */
#spa-loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: rgb(var(--primary));
  width: 0;
  z-index: 99999;
  opacity: 0;
  pointer-events: none;
}

#spa-loading-bar.active {
  opacity: 1;
  width: 70%;
  transition: width 2s cubic-bezier(0.1, 0.5, 0.3, 1);
}

#spa-loading-bar.complete {
  width: 100%;
  transition: width 0.2s ease, opacity 0.3s ease 0.2s;
  opacity: 0;
}

/* ==================== Selection ==================== */
::selection {
  background: rgba(244, 114, 11, 0.15);
  color: var(--text-primary);
}

/* ==================== Copy Button for Code Blocks ==================== */
.copy-button {
  position: absolute;
  top: 0.625rem;
  right: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s ease;
  color: var(--text-tertiary);
}

.highlight:hover .copy-button,
pre:hover .copy-button {
  opacity: 1;
}

.copy-button:hover {
  color: var(--text-primary);
  border-color: rgb(var(--primary));
}

.copy-button.copied {
  color: #10b981;
  border-color: #10b981;
}

/* ==================== API Doc Styles ==================== */
.article dl.py {
  margin: 1.5rem 0;
}

.article dl.py dt {
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
}

.article dl.py dd {
  margin-left: 0;
  padding: 0.75rem 1rem;
}

.article .sig-name {
  font-weight: 600;
  color: rgb(var(--primary));
}

.article .sig-param {
  color: var(--text-secondary);
}

.article .field-list {
  margin: 1rem 0;
}

.article .field-list dt {
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--text-primary);
  margin-top: 0.75rem;
}

.article .field-list dd {
  margin-left: 1rem;
  color: var(--text-secondary);
}

/* ==================== Search Highlight ==================== */
.article .highlighted {
  background: rgba(244, 114, 11, 0.2);
  padding: 0.125rem 0.25rem;
  border-radius: 2px;
}

/* ==================== Transitions ==================== */
* {
  transition-property: none;
}

a, button, .dropdown-panel, .sidebar, .theme-toggle,
.navbar-link, .dropdown-trigger, .dropdown-item,
.prev-next-link, .copy-button, .sidebar-nav li a {
  transition-duration: 0.15s;
  transition-timing-function: ease;
}

/* Document/API sections remain reachable when the ecosystem links are hidden. */
.navbar-sections {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}
.navbar-sections:empty { display: none; }
.navbar-sections .active {
  color: rgb(var(--primary-dark));
  background: rgb(var(--primary-light));
  box-shadow: inset 0 -2px rgb(var(--primary));
}
[data-theme="dark"] .navbar-sections .active {
  color: rgb(var(--primary));
  background: rgba(244, 114, 11, 0.12);
}
@media (max-width: 600px) {
  .navbar-inner { padding: 0 0.5rem; gap: 0.25rem; }
  .navbar-title { display: none; }
  .navbar-left { gap: 0.25rem; }
  .navbar-right { margin-left: auto; gap: 0.125rem; }
  .navbar-sections .navbar-link { padding: 0.375rem 0.5rem; }
}
@media (max-width: 1200px) {
  .navbar-center { display: none; }
  .navbar-left { min-width: auto; }
  .navbar-right { margin-left: auto; }
}
@media (min-width: 601px) and (max-width: 800px) {
  .navbar-inner { padding: 0 1rem; gap: 0.5rem; }
}
@media (max-width: 400px) {
  .navbar-right .dropdown-trigger { padding: 0.375rem 0.25rem; }
  .navbar-right .dropdown-chevron { display: none; }
  .navbar-sections .navbar-link { padding: 0.375rem; }
  .navbar-inner { gap: 0.125rem; }
}

/* Preserve ecosystem links when the header has no room for them. */
.sidebar-projects { display: none; }
@media (max-width: 1200px) {
  .sidebar-projects {
    display: flex;
    flex-direction: column;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
  }
  .sidebar-projects-title {
    margin: 0 0 0.5rem;
    padding: 0 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
  }
}