/* DeployProof Documentation & Product Portal - Light Mode Default & Dark Mode Supported */
:root {
  /* Default: Clean & Crisp Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fc;
  --bg-tertiary: #f1f3f9;
  --bg-card: #ffffff;
  --bg-card-hover: #fcfdfe;
  --bg-code: #0b0f19;
  --bg-glass: rgba(255, 255, 255, 0.94);
  
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;
  --border-glow: rgba(99, 102, 241, 0.2);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  /* Brand Accents */
  --accent-primary: #6366f1;
  --accent-primary-light: #4f46e5;
  --accent-primary-dark: #4338ca;
  --accent-cyan: #0284c7;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;
  --accent-purple: #7c3aed;
  
  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #0284c7 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  
  /* High-Contrast Light Mode Callout Boxes */
  --callout-note-bg: #f0f9ff;
  --callout-note-border: #0284c7;
  --callout-note-text: #0369a1;
  
  --callout-tip-bg: #ecfdf5;
  --callout-tip-border: #059669;
  --callout-tip-text: #065f46;
  
  --callout-important-bg: #f5f3ff;
  --callout-important-border: #7c3aed;
  --callout-important-text: #5b21b6;
  
  --callout-warning-bg: #fffbeb;
  --callout-warning-border: #d97706;
  --callout-warning-text: #92400e;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-sans);
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.2);
  
  --sidebar-width: 250px;
  --header-height: 64px;
  --toc-width: 210px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #0c0b10;
  --bg-secondary: #121118;
  --bg-tertiary: #1a1824;
  --bg-card: rgba(22, 20, 31, 0.85);
  --bg-card-hover: rgba(30, 27, 43, 0.95);
  --bg-code: #09080d;
  --bg-glass: rgba(12, 11, 16, 0.92);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(120, 87, 255, 0.4);
  --border-glow: rgba(120, 87, 255, 0.25);
  
  --text-primary: #f8f7fa;
  --text-secondary: #a19fad;
  --text-muted: #6e6c7c;
  
  --accent-primary: #7857ff;
  --accent-primary-light: #9b83ff;
  --accent-primary-dark: #5e3df5;
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #c084fc;
  
  --callout-note-bg: rgba(56, 189, 248, 0.1);
  --callout-note-border: #38bdf8;
  --callout-note-text: #bae6fd;
  
  --callout-tip-bg: rgba(16, 185, 129, 0.1);
  --callout-tip-border: #10b981;
  --callout-tip-text: #a7f3d0;
  
  --callout-important-bg: rgba(120, 87, 255, 0.1);
  --callout-important-border: #7857ff;
  --callout-important-text: #ddd6fe;
  
  --callout-warning-bg: rgba(245, 158, 11, 0.1);
  --callout-warning-border: #f59e0b;
  --callout-warning-text: #fde68a;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(120, 87, 255, 0.25);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.68;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(2, 132, 199, 0.04) 0px, transparent 50%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.28;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

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

code, kbd, samp, pre {
  font-family: var(--font-mono);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 2rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  width: 100%;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary-light);
  border: 1px solid rgba(99, 102, 241, 0.25);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 0.25rem 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.45rem 0.85rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.84rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-secondary);
}

.search-kbd {
  font-size: 0.72rem;
  padding: 0.15rem 0.4rem;
  background: var(--bg-primary);
  border-radius: 4px;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.05rem;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.github-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-md);
  background: var(--accent-primary);
  color: #ffffff !important;
  font-size: 0.84rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.github-btn:hover {
  background: var(--accent-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Main Layout Grid (Non-Overlapping 3-Column Grid) */
.main-wrapper {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--toc-width);
  max-width: 1440px;
  margin: 0 auto;
  gap: 2rem;
  padding: 0 1.5rem;
  min-height: calc(100vh - var(--header-height));
  width: 100%;
}

/* Left Sidebar Navigation */
.docs-sidebar {
  width: 100%;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 2rem 0.75rem 3rem 0;
  border-right: 1px solid var(--border-color);
  scrollbar-width: thin;
}

.sidebar-group {
  margin-bottom: 1.75rem;
}

.sidebar-heading {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  padding-left: 0.65rem;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-item {
  margin-bottom: 2px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

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

.sidebar-link.active {
  color: var(--accent-primary-light);
  background: rgba(99, 102, 241, 0.1);
  font-weight: 600;
  border-left: 3px solid var(--accent-primary);
  padding-left: calc(0.65rem - 3px);
}

/* Center Content Column */
.docs-content {
  min-width: 0;
  width: 100%;
  padding: 2.25rem 0 4rem 0;
}

/* Right TOC / On this page */
.docs-toc {
  width: 100%;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 2.25rem 0 2rem 1.25rem;
  border-left: 1px solid var(--border-color);
  font-size: 0.82rem;
}

.toc-title {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.toc-list {
  list-style: none;
}

.toc-item {
  margin-bottom: 0.45rem;
}

.toc-link {
  color: var(--text-muted);
  transition: color var(--transition-fast);
  display: block;
  line-height: 1.45;
}

.toc-link:hover, .toc-link.active {
  color: var(--accent-primary-light);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  padding: 0.5rem 0 2.25rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2.5rem;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--accent-primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.15rem;
  letter-spacing: -0.03em;
}

.hero-title-highlight {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.68rem 1.35rem;
  border-radius: var(--radius-md);
  background: var(--accent-primary);
  color: #ffffff !important;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.68rem 1.35rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary) !important;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color-hover);
}

.quick-install-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.15rem;
  background: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #ffffff;
  max-width: 460px;
}

.install-cmd {
  color: #38bdf8;
  flex: 1;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 0.25rem 0.55rem;
  color: #e2e8f0;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(99, 102, 241, 0.3);
  color: #ffffff;
  border-color: #818cf8;
}

/* Diagram Banner Container */
.doc-banner-container {
  background: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--transition-normal);
  margin: 1.75rem 0 2.25rem 0;
}

.doc-banner-container:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg);
}

.doc-diagram-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.diagram-caption {
  padding: 0.65rem 1rem;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: #94a3b8;
  background: #0f172a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

/* Terminal Simulator Widget */
.terminal-widget {
  background: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 3rem;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-tabs {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.term-tab {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.term-tab:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.term-tab.active {
  color: #c7d2fe;
  background: rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.6;
  color: #f1f5f9;
  max-height: 380px;
  overflow-y: auto;
}

.term-green, .term-success { color: #34d399; font-weight: 600; }
.term-cyan { color: #38bdf8; }
.term-amber, .term-warn { color: #fbbf24; }
.term-red, .term-err { color: #f87171; font-weight: 600; }
.term-purple { color: #c084fc; }
.term-dim { color: #64748b; }
.term-prompt { color: #a5b4fc; font-weight: 600; }
.term-badge { background: rgba(99, 102, 241, 0.25); color: #c7d2fe; padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.82rem; }

/* Interactive Gate Explorer Widget */
.explorer-container {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 1.25rem;
  margin: 1.5rem 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.explorer-gate-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.explorer-btn {
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.explorer-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.explorer-btn.active {
  color: #ffffff;
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  font-weight: 600;
}

.explorer-display {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  min-height: 280px;
  min-width: 0;
  overflow: hidden;
}

.explorer-title {
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

/* Documentation Sections */
.doc-section {
  margin-bottom: 3.5rem;
}

.doc-section h2 {
  font-size: 1.85rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: -0.02em;
}

.doc-section h3 {
  font-size: 1.35rem;
  margin: 1.75rem 0 0.75rem 0;
}

.doc-section p {
  color: var(--text-secondary);
  margin-bottom: 1.15rem;
  font-size: 0.98rem;
}

/* Feature Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 1.75rem;
  margin-bottom: 0.85rem;
  display: inline-block;
}

.card-title {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Callout Alerts (High-Contrast & Beautifully Legible in Both Themes) */
.callout {
  display: flex;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.callout-note {
  background: var(--callout-note-bg);
  border-left: 4px solid var(--callout-note-border);
  color: var(--callout-note-text);
}

.callout-note b, .callout-note strong {
  color: var(--callout-note-text);
  font-weight: 700;
}

.callout-tip {
  background: var(--callout-tip-bg);
  border-left: 4px solid var(--callout-tip-border);
  color: var(--callout-tip-text);
}

.callout-tip b, .callout-tip strong {
  color: var(--callout-tip-text);
  font-weight: 700;
}

.callout-important {
  background: var(--callout-important-bg);
  border-left: 4px solid var(--callout-important-border);
  color: var(--callout-important-text);
}

.callout-important b, .callout-important strong {
  color: var(--callout-important-text);
  font-weight: 700;
}

.callout-warning {
  background: var(--callout-warning-bg);
  border-left: 4px solid var(--callout-warning-border);
  color: var(--callout-warning-text);
}

.callout-warning b, .callout-warning strong {
  color: var(--callout-warning-text);
  font-weight: 700;
}

.callout-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Code Snippet Box */
.code-box {
  background: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: 1.25rem 0;
  overflow: hidden;
  max-width: 100%;
  box-shadow: var(--shadow-sm);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  color: #94a3b8;
  font-family: var(--font-mono);
}

.code-body {
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.6;
  overflow-x: auto;
  color: #f1f5f9;
}

.code-body pre, .code-body code {
  white-space: pre;
  word-wrap: normal;
}

/* Tables */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  display: table;
}

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

.doc-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

/* Search Modal Overlay (Ctrl+K) */
.search-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-modal-backdrop.open {
  display: flex;
}

.search-modal {
  width: 90%;
  max-width: 600px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

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

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1.05rem;
  color: var(--text-primary);
  outline: none;
  font-family: inherit;
}

.search-results-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.5rem;
  list-style: none;
}

.search-result-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-result-item:hover, .search-result-item.selected {
  background: rgba(99, 102, 241, 0.1);
}

.search-res-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.search-res-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 2rem 2rem;
  background: var(--bg-secondary);
  margin-top: 4rem;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.footer-col a:hover {
  color: var(--accent-primary-light);
}

.footer-bottom {
  max-width: 1440px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Breakpoints */
@media (max-width: 1240px) {
  .main-wrapper {
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    gap: 1.5rem;
  }
  .docs-toc {
    display: none !important;
  }
}

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

@media (max-width: 860px) {
  .main-wrapper {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
  .docs-sidebar {
    display: none !important;
  }
  .site-header {
    padding: 0 1rem;
  }
  .nav-links {
    display: none !important;
  }
  .docs-content {
    padding: 1.5rem 0;
  }
  .hero-title {
    font-size: 2rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
}