/* ==========================================================================
   OpenBalancer — High-Performance Infrastructure Design System
   Operated by INCONTROL PLUS ЕООД
   Engineering Aesthetic: Deep Carbon, Precise 1px Borders, Monospace Accents
   ========================================================================== */

:root {
  --bg-base: #f8fafc;
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  
  --border-subtle: #e2e8f0;
  --border-focus: #2563eb;
  --border-accent: rgba(37, 99, 235, 0.2);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent: #059669;
  --accent-glow: rgba(5, 150, 105, 0.12);
  --warning: #d97706;
  --danger: #dc2626;
  
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  --font-brand: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Consolas, monospace;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Deep Space Dark Mode Theme (High Contrast, Zero FOUC, Enterprise Standard)
   ========================================================================== */
:root[data-theme="dark"],
html[data-theme="dark"],
[data-theme="dark"] {
  --bg-base: #080c14;
  --bg-canvas: #080c14;
  --bg-surface: #0e1526;
  --bg-subtle: #131c31;
  --bg-card: #0e1526;
  --bg-card-hover: #16223b;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;
  --border-accent: rgba(56, 189, 248, 0.25);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #2563eb;
  --primary-hover: #3b82f6;
  --accent: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --danger: #ef4444;
}

[data-theme="dark"] body {
  background-color: #080c14 !important;
  color: #f8fafc !important;
}

[data-theme="dark"] .navbar {
  background: rgba(8, 12, 20, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

[data-theme="dark"] .nav-brand span {
  color: #f8fafc;
}

[data-theme="dark"] .nav-links a {
  color: #94a3b8;
}

[data-theme="dark"] .nav-links a:hover {
  color: #38bdf8;
}

[data-theme="dark"] .cb-announcement-banner {
  background: #0e1526;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 4px solid #38bdf8;
  color: #f8fafc;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .cb-announcement-banner:hover {
  background: #131c31;
  border-color: rgba(255, 255, 255, 0.2);
  border-left-color: #38bdf8;
}

[data-theme="dark"] .cb-search-bar {
  background: #0e1526;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .cb-search-bar:focus-within {
  border-color: #38bdf8;
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15);
}

[data-theme="dark"] .cb-search-input {
  color: #f8fafc;
}

[data-theme="dark"] .cb-search-input::placeholder {
  color: #64748b;
}

[data-theme="dark"] .cb-search-tag {
  background: #131c31;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #94a3b8;
}

[data-theme="dark"] .cb-search-tag:hover {
  color: #38bdf8;
  border-color: #38bdf8;
  background: #16223b;
}

[data-theme="dark"] .cb-stats-row {
  background: #0e1526;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .pricing-card,
[data-theme="dark"] .faq-card,
[data-theme="dark"] .config-builder-card {
  background: #0e1526;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .feature-card:hover,
[data-theme="dark"] .pricing-card:hover,
[data-theme="dark"] .faq-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
}

[data-theme="dark"] .comparison-table {
  background: #0e1526;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .comparison-table th {
  background: #131c31;
  color: #f8fafc;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .comparison-table td {
  border-bottom-color: rgba(255, 255, 255, 0.06);
  color: #cbd5e1;
}

[data-theme="dark"] .comparison-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .comparison-highlight {
  background: rgba(37, 99, 235, 0.12) !important;
  color: #60a5fa !important;
  border-left-color: rgba(59, 130, 246, 0.3) !important;
  border-right-color: rgba(59, 130, 246, 0.3) !important;
}

[data-theme="dark"] .terminal-container {
  background: #05080f;
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .terminal-header {
  background: #0a101d;
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .terminal-tab {
  color: #94a3b8;
}

[data-theme="dark"] .terminal-tab.active {
  background: #05080f;
  color: #f8fafc;
  border-bottom-color: #38bdf8;
}

[data-theme="dark"] .topology-stage {
  background: #05080f;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .protocol-pill {
  background: #131c31;
  border-color: rgba(255, 255, 255, 0.08);
  color: #94a3b8;
}

[data-theme="dark"] .protocol-pill.active {
  background: #16223b;
  border-color: #38bdf8;
  color: #f8fafc;
}

[data-theme="dark"] .upstream-item {
  background: #131c31;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: #080c14 !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  color: #f8fafc !important;
}

[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] input[type="number"]:focus,
[data-theme="dark"] input[type="email"]:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  border-color: #38bdf8 !important;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2) !important;
}

[data-theme="dark"] .site-footer {
  background: #080c14;
  border-top-color: rgba(255, 255, 255, 0.08);
  color: #94a3b8;
}

[data-theme="dark"] .footer-col h4 {
  color: #f8fafc;
}

[data-theme="dark"] .footer-col ul a {
  color: #94a3b8;
}

[data-theme="dark"] .footer-col ul a:hover {
  color: #38bdf8;
}

[data-theme="dark"] .payment-trust-bar {
  background: #0e1526;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .mobile-drawer {
  background: #080c14;
  border-left-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .mobile-nav-link {
  color: #f8fafc;
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .modal-dialog {
  background: #0e1526;
  border-color: rgba(255, 255, 255, 0.12);
  color: #f8fafc;
}

[data-theme="dark"] .cookie-banner {
  background: #0e1526;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  color: #f8fafc;
}

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

/* Accessibility Skip-to-Content Landmark Link */
.skip-to-content {
  position: fixed;
  top: -100px;
  left: 1.5rem;
  background: #2563eb;
  color: #ffffff !important;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 99999;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
  transition: top 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skip-to-content:focus {
  top: 1.25rem;
  outline: 3px solid #60a5fa;
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-family: var(--font-brand);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.035em;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

h1 { font-size: clamp(1.75rem, 5.2vw, 3.8rem); font-weight: 800; letter-spacing: -0.04em; }
h2 { font-size: clamp(1.4rem, 3.2vw, 2.35rem); font-weight: 700; margin-bottom: 0.75rem; letter-spacing: -0.03em; }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.025em; }
p { color: var(--text-muted); font-size: 1rem; }

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

a:hover {
  color: #60a5fa;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
  width: 100%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.035em;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 36px !important;
  height: 36px !important;
  max-width: 36px !important;
  max-height: 36px !important;
  object-fit: contain !important;
  border-radius: 8px;
  flex-shrink: 0;
  display: inline-block !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-links a {
  color: #475569;
  font-family: var(--font-brand);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover {
  color: #2563eb;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

/* Theme Switcher Button (High Contrast, Enterprise Quality) */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.4rem 0.85rem;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  min-height: 34px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-sm);
}

.theme-btn-text {
  display: inline-block !important;
  font-weight: 700;
  font-size: 0.82rem;
}

.theme-icon-sun {
  display: none;
}

.theme-icon-moon {
  display: inline-block;
  color: #475569;
}

[data-theme="dark"] .theme-icon-sun {
  display: inline-block;
  color: #facc15;
  filter: drop-shadow(0 0 4px rgba(250, 204, 21, 0.5));
}

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

[data-theme="dark"] .theme-toggle-btn {
  background: #16223b;
  border-color: #38bdf8;
  color: #f8fafc;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

[data-theme="dark"] .theme-toggle-btn:hover {
  border-color: #7dd3fc;
  color: #ffffff;
  background: #1e2e4f;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 3px;
  transition: all 0.2s ease;
}

.lang-switcher:hover {
  border-color: var(--border-focus);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 12px;
  min-height: 32px;
  min-width: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}

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

.lang-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Mobile Menu Toggle Button */
.mobile-menu-btn {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-main);
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
}

.mobile-menu-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  color: var(--primary);
}

.mobile-menu-btn svg {
  display: block;
}

/* Mobile Drawer Panel */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 310px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border-subtle);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.2);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  color: var(--text-main);
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-drawer.active {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.6rem 0.75rem;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.mobile-nav-link:hover {
  color: var(--primary);
  background: var(--bg-card-hover);
}

.mobile-drawer-links a {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.mobile-drawer-links a:hover {
  background: var(--bg-card-hover);
  color: var(--primary);
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary-hover);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: var(--bg-subtle);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: #1e293b;
  border-color: #334155;
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border-subtle);
}

.btn-outline:hover {
  color: var(--text-main);
  border-color: var(--text-dim);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.technical-release-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  margin-bottom: 1.5rem;
}

.hero-title {
  max-width: 960px;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.hero-gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

[data-theme="dark"] .hero-gradient-text,
body.theme-dark .hero-gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 780px;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: #94a3b8;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

/* Real Benchmark Metric Strip */
.benchmark-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  margin-bottom: 3.5rem;
}

.benchmark-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.benchmark-val {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.benchmark-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tabbed Terminal Code Preview — CompanyBook Clean Light Theme */
.terminal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  position: relative;
  transition: all var(--transition-normal);
}

.terminal-header {
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.terminal-tabs {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
  align-items: center;
}

.terminal-tab {
  background: transparent;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  padding: 0.45rem 0.95rem;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.terminal-tab:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
  border-color: var(--border-subtle);
}

.terminal-tab.active {
  color: var(--primary);
  background: var(--bg-card);
  border-color: var(--border-focus);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  font-weight: 700;
}

.copy-btn {
  background: var(--bg-card) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  padding: 0.4rem 0.9rem !important;
  transition: all 0.2s ease !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04) !important;
}

.copy-btn:hover {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-focus) !important;
  color: var(--primary) !important;
}

.terminal-code-view {
  background: var(--bg-card);
  padding: 1.5rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-main);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  text-align: left !important;
}

.terminal-code-view pre {
  margin: 0;
  text-align: left !important;
}

.terminal-code-view code {
  text-align: left !important;
  display: block;
  color: var(--text-main);
}

/* Section Header */
.section-header {
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

/* Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* Architecture Features Cards */
.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color var(--transition-fast);
}

.feature-card:hover {
  border-color: #334155;
}

.feature-icon-box {
  width: 38px;
  height: 38px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: #60a5fa;
}

.feature-card h3 {
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Live Simulator & Prometheus Telemetry Graph */
.simulator-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.simulator-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.sim-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.sim-stats {
  display: flex;
  gap: 2.25rem;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
}

.stat-value.healthy {
  color: #34d399;
}

.stat-value.degraded {
  color: #f59e0b;
}

.stat-value.down {
  color: #ef4444;
}

.sim-actions-bar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Sparkline Telemetry Panel */
.telemetry-chart-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.chart-title {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-main);
  font-weight: 700;
}

.chart-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: #059669;
}

.live-pulse-dot {
  width: 7px;
  height: 7px;
  background: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 8px #34d399;
}

.sparkline-svg {
  width: 100%;
  height: 60px;
  display: block;
}

/* ==========================================================================
   Protocol Stream Selector Bar (#protocol-selector)
   ========================================================================== */
.protocol-selector-bar {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.protocol-selector-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.protocol-selector-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.protocol-active-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
}

.protocol-pills,
.protocol-pills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  width: 100%;
}

.protocol-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  transition: all var(--transition-fast);
  text-align: left;
  position: relative;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.protocol-pill:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.protocol-pill.active {
  border-color: var(--primary);
  background: var(--bg-subtle);
  box-shadow: 0 1px 4px var(--border-accent);
}

.protocol-pill .proto-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  display: inline-block;
  margin-bottom: 0.15rem;
  transition: all var(--transition-fast);
}

.protocol-pill.active .proto-dot {
  background: var(--primary);
  box-shadow: 0 0 6px var(--border-focus);
}

.protocol-pill .proto-name {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.protocol-pill .proto-desc {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.35;
}

[data-theme="dark"] .protocol-pill.active {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
}

[data-theme="dark"] .protocol-pill.active .proto-dot {
  background: #38bdf8;
  box-shadow: 0 0 8px #38bdf8;
}

/* ==========================================================================
   SSE Live Bufferless Token Stream Inspector (#sse-token-inspector)
   ========================================================================== */
.sse-token-inspector {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.sse-inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-subtle);
}

.sse-title-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #059669;
  font-weight: 700;
}

.sse-pulse-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulse 1.2s infinite;
}

.sse-tag {
  font-size: 0.68rem;
  padding: 0.15rem 0.45rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  border-radius: var(--radius-xs);
}

.sse-stats-chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.sse-stat-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  color: var(--text-muted);
}

.sse-stat-chip strong {
  color: #34d399;
}

.sse-token-stream-window {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #a7f3d0;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  line-height: 1.6;
  min-height: 56px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: thin;
}

.sse-token-chip {
  display: inline-block;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
  padding: 0 0.35rem;
  margin: 0 2px;
  border-radius: 3px;
  animation: tokenPop 0.15s ease-out;
}

@keyframes tokenPop {
  0% { transform: scale(0.7); opacity: 0; background: rgba(52, 211, 153, 0.6); }
  100% { transform: scale(1); opacity: 1; }
}

.sse-cursor {
  display: inline-block;
  color: #34d399;
  font-weight: 700;
  animation: blink 0.8s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ==========================================================================
   Live Topology Map & HTML5 Canvas (#topology-canvas)
   ========================================================================== */
.topology-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin-top: 1.25rem;
  position: relative;
}

.topology-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.topology-legend {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: #475569;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot.green { background: #10b981; }
.legend-dot.amber { background: #f59e0b; }
.legend-dot.red { background: #ef4444; }

.topology-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: #64748b;
  font-family: var(--font-sans);
}

.topology-stage {
  position: relative;
  min-height: 380px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .topology-stage {
  background: #05080f;
  border-color: rgba(255, 255, 255, 0.08);
}

.topology-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  cursor: crosshair;
}

.sim-visualizer {
  position: relative;
  z-index: 2;
  pointer-events: none;
  display: grid;
  grid-template-columns: 1fr 1.3fr 1.5fr;
  gap: 2rem;
  align-items: center;
  padding: 2.25rem 1.5rem;
  min-height: 380px;
}

.sim-client-node, .sim-balancer-node, .sim-backends {
  pointer-events: auto;
}

.sim-client-node, .sim-balancer-node {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  position: relative;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-fast);
}

.sim-client-node:hover, .sim-balancer-node:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 20px var(--border-accent);
}

.sim-balancer-node {
  border-color: var(--border-subtle);
  background: var(--bg-card);
}

.sim-client-node h4, .sim-balancer-node h4 {
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0.35rem 0 0.2rem;
}

.sim-client-node p {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  margin: 0;
}

.node-badge-tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.node-badge-tag.router {
  color: var(--primary);
}

.core-radar-ring {
  width: 18px;
  height: 18px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  margin: 0.35rem auto 0.5rem;
  position: relative;
  animation: coreSpin 3s linear infinite;
}

.core-radar-ring::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 1px dashed var(--border-accent);
  border-radius: 50%;
}

@keyframes coreSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.core-algo-label {
  display: block;
  font-size: 0.78rem;
  color: #059669;
  font-weight: 700;
  font-family: var(--font-sans);
  margin-top: 0.25rem;
}

.core-mode-badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--primary);
  border-radius: 6px;
}

.ingress-meta-pill {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: 6px;
}

.sim-backends {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.backend-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.9rem 1.15rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.backend-card:hover {
  border-color: var(--border-focus);
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.backend-card.active {
  border-color: #2563eb;
  background: #eff6ff;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.15);
}

.backend-card.down {
  border-color: #fca5a5;
  background: #fef2f2;
}

.backend-card.degraded {
  border-color: #fcd34d;
  background: #fffbeb;
}

.backend-title-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.backend-card strong {
  color: #0f172a;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
}

.backend-sub {
  color: #64748b;
  font-size: 0.78rem;
  font-family: var(--font-sans);
}

.node-indicator-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
}

.node-indicator-dot.down {
  background: #ef4444;
}

.node-indicator-dot.degraded {
  background: #f59e0b;
}

.backend-status-pill {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.backend-status-pill.up {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.backend-status-pill.degraded {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.backend-status-pill.down {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Technical Comparison Matrix Table */
.comparison-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: var(--bg-subtle);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 5;
}

.comparison-table td {
  color: var(--text-muted);
}

.comparison-table th.highlight-col,
.comparison-table td.highlight-col {
  background: rgba(37, 99, 235, 0.08);
  border-left: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
  font-weight: 600;
  color: var(--primary);
}

.comparison-table tbody tr:hover td:not(.highlight-col) {
  background: var(--bg-card-hover);
}

.check-icon {
  color: #16a34a;
  font-weight: 700;
}

.cross-icon {
  color: var(--text-dim);
}

/* Interactive Config Builder Section */
.config-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.config-builder-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.config-controls-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
  max-width: 100%;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.slider-val {
  font-family: var(--font-mono);
  color: #2563eb;
  font-weight: 700;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #2563eb;
  cursor: pointer;
  border: 2px solid #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.upstream-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.upstream-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-subtle);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.upstream-item input {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-main);
  padding: 0.35rem 0.5rem;
  font-family: inherit;
  font-size: 0.85rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.upstream-item input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--border-accent);
}

.btn-remove-upstream {
  background: #fee2e2;
  border: 1px solid #fecaca;
  color: #dc2626;
  cursor: pointer;
  min-width: 36px;
  min-height: 36px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-remove-upstream:hover {
  background: #fecaca;
  border-color: #f87171;
  color: #991b1b;
}

.btn-remove-upstream:focus-visible {
  outline: 2px solid #dc2626;
  outline-offset: 2px;
}

.config-preview-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 100%;
}

.config-preview-header {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 0.65rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 0;
  max-width: 100%;
}

.config-preview-code {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-main);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  flex-grow: 1;
  min-width: 0;
  max-width: 100%;
}

/* FAQ Accordion Section */
.faq-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
  font-family: inherit;
}

.faq-icon {
  font-size: 1.25rem;
  color: #60a5fa;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 1rem;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Pricing Section */
.pricing-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.06) 0%, var(--bg-surface) 100%);
}

.popular-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--primary-hover);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}

.pricing-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 1.25rem 0;
  font-family: var(--font-mono);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.pricing-features li svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Payment Trust Bar */
.payment-trust-bar {
  margin-top: 3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.payment-trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.payment-trust-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.payment-trust-bar {
  background: var(--bg-card);
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.25rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.payment-card-icons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.card-badge {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Footer */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.88rem;
  font-family: var(--font-sans);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-main);
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-compliance-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-compliance-card strong {
  color: var(--text-main);
}

.footer-compliance-card a {
  color: var(--primary);
  text-decoration: underline;
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.legal-links {
  display: flex;
  gap: 1.5rem;
}

.legal-links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color 0.2s ease;
}

.legal-links a:hover {
  color: var(--primary);
}

/* Modal Dialog & Overlay */
.modal-backdrop,
.modal-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(8, 12, 20, 0.75) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none !important;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  z-index: 9999 !important;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active,
.modal-overlay.active {
  display: flex !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

.modal-dialog,
.modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem 1.65rem;
  width: 100%;
  max-width: 480px;
  max-height: 88vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
  transform: translateY(15px);
  transition: transform var(--transition-normal);
  position: relative;
}

.modal-dialog h3,
.modal-container h3 {
  color: var(--text-main);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.modal-dialog p,
.modal-container p {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 1.5;
}

.modal-backdrop.active .modal-dialog,
.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 1.15rem;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem;
  min-width: 28px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--bg-card-hover);
  color: var(--primary);
}

.form-group {
  margin-bottom: 0.85rem;
}

.form-group label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.form-control {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--border-accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-success-box {
  display: none;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  text-align: center;
  margin-top: 1rem;
}

.form-success-box h4 {
  color: #166534;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.form-success-box p {
  color: #334155 !important;
}

html[data-theme="dark"] .form-success-box,
body.theme-dark .form-success-box {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #34d399;
}

html[data-theme="dark"] .form-success-box h4,
body.theme-dark .form-success-box h4 {
  color: #34d399;
}

html[data-theme="dark"] .form-success-box p,
body.theme-dark .form-success-box p {
  color: #e2e8f0 !important;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 3rem);
  max-width: 860px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  z-index: 999;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.cookie-banner.hidden {
  display: none;
}

/* Chaos Engineering Event Banner */
.sim-event-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  font-family: var(--font-sans);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

[data-theme="dark"] .sim-event-banner,
.theme-dark .sim-event-banner {
  background: var(--bg-card) !important;
  border-color: var(--border-subtle) !important;
  color: var(--text-main) !important;
}

.sim-event-banner.degraded {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.08);
  color: #f59e0b;
}

.sim-event-banner.outage {
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
}

[data-theme="dark"] .sim-event-banner.degraded,
.theme-dark .sim-event-banner.degraded {
  border-color: rgba(245, 158, 11, 0.5) !important;
  background: rgba(245, 158, 11, 0.12) !important;
  color: #fbbf24 !important;
}

[data-theme="dark"] .sim-event-banner.outage,
.theme-dark .sim-event-banner.outage {
  border-color: rgba(239, 68, 68, 0.5) !important;
  background: rgba(239, 68, 68, 0.12) !important;
  color: #f87171 !important;
}

.event-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.event-indicator.healthy {
  background: #10b981;
}

.event-indicator.degraded {
  background: #f59e0b;
}

.event-indicator.outage {
  background: #ef4444;
}

/* Payment Method Preference Selector */
.payment-method-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.payment-radio-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.payment-radio-label:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-focus);
}

.payment-radio-label input[type="radio"] {
  margin-top: 0.2rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.payment-radio-label span {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.payment-radio-label strong {
  font-size: 0.85rem;
  color: var(--text-main);
}

.payment-radio-label small {
  font-size: 0.72rem;
  color: var(--text-dim);
}

@media (max-width: 580px) {
  .payment-method-selector {
    grid-template-columns: 1fr;
  }
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .benchmark-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .protocol-pills {
    grid-template-columns: repeat(2, 1fr);
  }
  .sim-visualizer {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem 1rem;
  }
  .topology-stage {
    min-height: 520px;
  }
  .config-builder-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1180px) {
  .nav-links {
    gap: 0.85rem;
  }
  .nav-links a {
    font-size: 0.85rem;
  }
  .nav-actions .btn-outline {
    display: none;
  }
}

@media (max-width: 1040px) {
  .nav-links {
    display: none !important;
  }
  .mobile-menu-btn {
    display: inline-flex !important;
  }
  .nav-actions .btn-primary {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: 3.5rem 0 2.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .benchmark-strip {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cookie-banner {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    max-width: calc(100% - 2rem);
    width: calc(100% - 2rem);
    flex-direction: column;
    align-items: stretch;
  }
  .modal-dialog {
    padding: 1.5rem 1.25rem;
  }
  .payment-trust-bar {
    padding: 1.25rem;
  }
  .topology-top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .navbar .container {
    padding: 0 0.85rem;
  }
  .nav-brand span {
    font-size: 1.1rem;
  }
  .nav-actions {
    gap: 0.4rem;
  }
  .lang-btn {
    padding: 4px 8px;
    font-size: 0.75rem;
    min-width: 30px;
    min-height: 32px;
  }
  .theme-btn-text {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta .btn {
    width: 100%;
  }
  .nav-actions .btn-primary {
    display: none;
  }
  .sim-stats {
    gap: 1rem;
  }
  .protocol-pills {
    grid-template-columns: 1fr;
  }
  .sim-actions-bar button {
    font-size: 0.75rem;
    padding: 0.35rem 0.5rem;
  }
}

/* ==========================================================================
   Documentation Portal Styles (OpenBalancer Design System)
   ========================================================================== */

.docs-page-header {
  padding: 3.5rem 0 2rem;
  background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08) 0%, rgba(8, 12, 20, 0) 70%), var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.docs-header-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.docs-header-title-area {
  max-width: 680px;
}

.docs-version-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.65rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  margin-bottom: 0.75rem;
}

.docs-search-wrapper {
  position: relative;
  min-width: 300px;
  max-width: 420px;
  flex: 1;
}

.docs-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.docs-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.docs-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
  align-items: center;
}

/* Documentation Layout Grid (CompanyBook Standard Width) */
.docs-layout-container {
  max-width: 1380px !important;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 2.25rem;
  padding: 1.5rem 1.5rem 5rem;
  align-items: start;
}

/* Left Sidebar Navigation */
.docs-sidebar {
  position: sticky;
  top: 85px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.docs-sidebar::-webkit-scrollbar {
  width: 4px;
}
.docs-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 4px;
}

/* ==========================================================================
   CompanyBook.bg Style Clean Documentation Portal
   ========================================================================== */

.cb-doc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.cb-doc-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.cb-doc-breadcrumb a:hover {
  color: var(--primary);
}

.cb-doc-breadcrumb span.sep {
  color: var(--text-dim);
}

.cb-doc-breadcrumb span.current {
  color: var(--text-main);
  font-weight: 600;
}

/* Sidebar Bento Cards (CompanyBook Standard) */
.cb-sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow-sm);
}

.cb-sidebar-header {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.cb-base-url-box {
  background: var(--bg-subtle);
  color: var(--primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.45rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.45rem;
  font-weight: 600;
}

[data-theme="dark"] .cb-base-url-box {
  background: #090f1d;
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.25);
}

.cb-base-url-box span {
  color: var(--text-main);
  font-weight: 600;
}

[data-theme="dark"] .cb-base-url-box span {
  color: #38bdf8;
}

.cb-sidebar-desc {
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

.cb-sidebar-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0;
  margin: 0;
}

.cb-sidebar-nav-item a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.55rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 6px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.cb-sidebar-nav-item a:hover {
  color: var(--primary);
  background: var(--bg-subtle);
}

.cb-sidebar-nav-item a.active {
  color: var(--primary);
  background: #eff6ff;
  font-weight: 600;
}

[data-theme="dark"] .cb-sidebar-nav-item a.active {
  background: rgba(37, 99, 235, 0.15);
  color: #38bdf8;
}

.cb-sidebar-stat-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cb-sidebar-stat-item {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.cb-sidebar-stat-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.cb-sidebar-stat-num {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  font-family: var(--font-sans);
}

.cb-sidebar-stat-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* Documentation Content Body */
.docs-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.docs-section {
  scroll-margin-top: 85px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 2.25rem;
}

.docs-section:last-child {
  border-bottom: none;
}

.cb-doc-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

.cb-doc-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #eff6ff;
  color: #2563eb;
  border: 1px solid #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

[data-theme="dark"] .cb-doc-icon-box {
  background: rgba(37, 99, 235, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.cb-doc-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin: 0 0 0.15rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  letter-spacing: -0.01em;
}

.cb-doc-subtitle {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.docs-anchor-link {
  color: var(--text-dim);
  opacity: 0;
  font-size: 1rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.docs-section h2:hover .docs-anchor-link,
.docs-section h3:hover .docs-anchor-link {
  opacity: 0.8;
}

.docs-anchor-link:hover {
  opacity: 1 !important;
  color: var(--primary);
}

.docs-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.4rem 0 0.6rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.docs-section h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 1.15rem 0 0.4rem;
  color: var(--text-main);
}

.docs-section p {
  line-height: 1.65;
  margin-bottom: 0.85rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.docs-section ul, .docs-section ol {
  margin: 0.5rem 0 0.85rem 1.25rem;
  color: var(--text-muted);
  line-height: 1.65;
  font-size: 0.88rem;
}

.docs-section li {
  margin-bottom: 0.35rem;
}

/* Callouts (CompanyBook Soft Info Banner) */
.docs-callout {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin: 1rem 0;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e3a8a;
  line-height: 1.55;
  font-size: 0.84rem;
}

[data-theme="dark"] .docs-callout {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(56, 189, 248, 0.25);
  color: #93c5fd;
}

.docs-callout-icon {
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
  color: var(--primary);
}

.docs-callout-tip {
  border-left: 3px solid var(--accent);
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
  color: #065f46;
}

[data-theme="dark"] .docs-callout-tip {
  background: rgba(16, 185, 129, 0.1);
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.3);
}

/* Clean Bento Container Card */
.cb-doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.15rem 1.35rem;
  margin: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.cb-doc-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 0.65rem;
}

.docs-callout-warning {
  border-left: 3px solid var(--warning);
  background: rgba(245, 158, 11, 0.06);
}

.docs-callout-enterprise {
  border-left: 3px solid #8b5cf6;
  background: rgba(139, 92, 246, 0.08);
}

/* Tables */
.docs-table-wrapper {
  overflow-x: auto;
  margin: 1.15rem 0;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg-surface);
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.docs-table th {
  background: var(--bg-subtle);
  padding: 0.6rem 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.docs-table td {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  line-height: 1.5;
}

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

.docs-table tr:hover td {
  background: var(--bg-card-hover);
}

.docs-table code,
p code,
li code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.15rem 0.45rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--primary);
  font-weight: 600;
}

[data-theme="dark"] .docs-table code,
[data-theme="dark"] p code,
[data-theme="dark"] li code {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.25);
  color: #38bdf8;
}

/* Code Snippet Cards with 1-Click Copy */
.docs-code-block {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  overflow: hidden;
}

.docs-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 1rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.docs-code-lang {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn-copy-snippet {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.btn-copy-snippet:hover {
  background: var(--bg-card-hover);
  color: var(--primary);
  border-color: var(--border-focus);
}

.btn-copy-snippet.copied {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(16, 185, 129, 0.1);
}

.docs-code-block pre {
  padding: 1.15rem 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-main);
}

/* Feature Matrix & Badges */
.badge-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-get {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.badge-post {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.badge-algo {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.35);
}

/* Live Interactive API Tester ("Try it Out") Widget */
.api-tester-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 2rem 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.api-tester-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.85rem;
}

.api-tester-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 1;
  min-width: 300px;
}

.api-endpoint-select {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-xs);
  flex: 1;
  outline: none;
  cursor: pointer;
}

.api-endpoint-select:focus {
  border-color: var(--primary);
}

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

.api-tester-tabs {
  display: inline-flex;
  background: var(--bg-subtle);
  border-radius: 8px;
  padding: 3px;
  border: 1px solid var(--border-subtle);
  gap: 2px;
}

.api-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.api-tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
}

.api-tab-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.api-tester-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.api-response-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.api-status-badge {
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.api-status-200 {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.api-status-503 {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.api-response-viewer {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.15rem;
  max-height: 420px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-main);
}

/* Preset Buttons */
.preset-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.preset-pill {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-sans);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preset-pill:hover, .preset-pill.active {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary);
}

/* Responsive Docs */
@media (max-width: 992px) {
  .docs-layout-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .docs-sidebar {
    position: static;
    max-height: none;
    padding-right: 0;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 1.5rem;
  }
  .docs-nav-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
  }
}

@media (max-width: 768px) {
  .docs-header-content {
    flex-direction: column;
    align-items: stretch;
  }
  .docs-search-wrapper {
    max-width: 100%;
  }
  .api-tester-topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .api-tester-controls {
    min-width: 100%;
  }
  .error-studio-split {
    grid-template-columns: 1fr;
  }
  .error-studio-controls {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .flamegraph-bar-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* ==========================================================================
   Web Audio Micro-Feedback Toggle Button
   ========================================================================== */
.sim-audio-toggle-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.sim-audio-toggle-btn:hover {
  border-color: var(--primary);
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.1);
}

.sim-audio-toggle-btn.muted {
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--text-dim);
  background: rgba(239, 68, 68, 0.05);
}

.sim-audio-toggle-btn.muted:hover {
  border-color: #ef4444;
  color: #f87171;
}

/* ==========================================================================
   Real-Time Latency Heatmap & Flamegraph Component
   ========================================================================== */
.latency-heatmap-panel {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.latency-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.latency-title-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  min-width: 0;
  max-width: 100%;
}

.latency-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-width: 0;
  max-width: 100%;
}

.latency-title-row strong {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #e2e8f0;
  letter-spacing: 0.02em;
  word-break: break-word;
}

.latency-pulse-indicator {
  width: 8px;
  height: 8px;
  background: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 8px #34d399;
}

.heatmap-live-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-weight: 600;
}

.latency-view-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--bg-subtle);
  border-radius: 8px;
  padding: 3px;
  border: 1px solid var(--border-subtle);
  gap: 2px;
}

.view-switch-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.view-switch-btn:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
}

.view-switch-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.latency-percentiles-bar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.percentile-chip {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.pct-lbl {
  color: var(--text-dim);
  font-weight: 600;
}

.pct-val {
  color: var(--primary);
  font-weight: 700;
}

.heatmap-canvas-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  overflow: hidden;
  position: relative;
}

.latency-heatmap-canvas {
  width: 100%;
  height: 120px;
  display: block;
}

.heatmap-bucket-legend {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.bucket-pill {
  flex: 1;
  min-width: 120px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  transition: all var(--transition-fast);
}

.bucket-pill .bucket-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 0.35rem;
}

.bucket-green .bucket-dot { background: #10b981; }
.bucket-green { border-color: #d1fae5; color: #065f46; }

.bucket-cyan .bucket-dot { background: #0284c7; }
.bucket-cyan { border-color: #e0f2fe; color: #0369a1; }

.bucket-yellow .bucket-dot { background: #d97706; }
.bucket-yellow { border-color: #fef3c7; color: #92400e; }

.bucket-red .bucket-dot { background: #dc2626; }
.bucket-red { border-color: #fee2e2; color: #991b1b; }

.bucket-pct {
  font-weight: 700;
  margin-left: auto;
}

/* Flamegraph View */
.flamegraph-view-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.flamegraph-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.fg-total strong {
  color: #34d399;
  font-size: 0.85rem;
}

.flamegraph-bars-stack {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.flamegraph-bar-row {
  display: grid;
  grid-template-columns: 240px 1fr 75px;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.fg-phase-title {
  color: var(--text-main);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fg-bar-track {
  height: 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.fg-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

.fg-time-val {
  text-align: right;
  color: var(--text-muted);
  font-weight: 700;
}

/* ==========================================================================
   Form Inputs & Controls in Documentation
   ========================================================================== */
.doc-input,
.doc-select,
.doc-textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 0.45rem 0.65rem;
  font-size: 0.82rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.doc-input:focus,
.doc-select:focus,
.doc-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--border-accent);
}

.doc-input::placeholder,
.doc-textarea::placeholder {
  color: var(--text-dim);
}

.doc-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

/* ==========================================================================
   Custom Error Page Studio (Interactive Tool - CompanyBook Minimalist Bento)
   ========================================================================== */
.error-studio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  margin: 1.25rem 0;
  box-shadow: var(--shadow-sm);
}

.error-studio-split {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  min-height: 440px;
}

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

.error-studio-controls {
  padding: 1.25rem 1.35rem;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
}

.error-studio-preview-pane {
  padding: 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: var(--bg-subtle);
  position: relative;
}

.preview-pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  letter-spacing: 0.04em;
}

[data-theme="dark"] .preview-badge-chip {
  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(56, 189, 248, 0.3);
  color: #38bdf8;
}

.error-preview-frame {
  flex: 1;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.75rem 1.35rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
}

/* Error Page Inner Components */
.err-live-box {
  width: 100%;
  max-width: 360px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  z-index: 2;
}

.err-icon-halo {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  position: relative;
  transition: all 0.25s ease;
}

.err-code-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.error-preview-frame .err-live-title,
.error-preview-frame h3.err-live-title {
  font-size: 1.25rem !important;
  font-weight: 700 !important;
  font-family: var(--font-sans) !important;
  margin: 0 !important;
  line-height: 1.3 !important;
  display: block !important;
}

.error-preview-frame .err-live-desc,
.error-preview-frame p.err-live-desc {
  font-size: 0.82rem !important;
  font-family: var(--font-sans) !important;
  margin: 0 !important;
  line-height: 1.55 !important;
}

.err-countdown-pill {
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.err-retry-btn,
#err-preview-btn {
  border: none;
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.48rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
}

.err-meta-row {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.25rem;
}

.err-meta-row code {
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.72rem;
}

/* Studio Theme Variants (CompanyBook Integrated) */
.error-preview-frame.theme-clean {
  background: #ffffff;
  border-color: #e2e8f0;
}
.error-preview-frame.theme-clean .err-icon-halo {
  background: #eff6ff;
  border: 1.5px solid #dbeafe;
  color: #2563eb;
}
.error-preview-frame.theme-clean .err-code-badge {
  background: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}
.error-preview-frame.theme-clean .err-live-title,
.error-preview-frame.theme-clean h3.err-live-title {
  color: #0f172a !important;
}
.error-preview-frame.theme-clean .err-live-desc,
.error-preview-frame.theme-clean p.err-live-desc {
  color: #475569 !important;
}
.error-preview-frame.theme-clean .err-countdown-pill {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #334155;
}
.error-preview-frame.theme-clean .err-meta-row {
  color: #64748b;
}
.error-preview-frame.theme-clean .err-meta-row code {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #334155;
}
.error-preview-frame.theme-clean .err-retry-btn,
.error-preview-frame.theme-clean #err-preview-btn {
  background: #2563eb;
  color: #ffffff;
}

[data-theme="dark"] .error-preview-frame.theme-clean {
  background: #090f1d;
  border-color: rgba(56, 189, 248, 0.2);
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-icon-halo {
  background: rgba(37, 99, 235, 0.15);
  border: 1.5px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-code-badge {
  background: rgba(37, 99, 235, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-live-title,
[data-theme="dark"] .error-preview-frame.theme-clean h3.err-live-title {
  color: #ffffff !important;
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-live-desc,
[data-theme="dark"] .error-preview-frame.theme-clean p.err-live-desc {
  color: #94a3b8 !important;
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-countdown-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-meta-row {
  color: #64748b;
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-meta-row code {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #38bdf8;
}
[data-theme="dark"] .error-preview-frame.theme-clean .err-retry-btn,
[data-theme="dark"] .error-preview-frame.theme-clean #err-preview-btn {
  background: #2563eb;
  color: #ffffff;
}

.error-preview-frame.theme-cyber {
  background: #f0fdfa;
  border-color: #99f6e4;
}
.error-preview-frame.theme-cyber .err-live-title,
.error-preview-frame.theme-cyber h3.err-live-title {
  color: #134e4a !important;
}
.error-preview-frame.theme-cyber .err-live-desc,
.error-preview-frame.theme-cyber p.err-live-desc {
  color: #115e59 !important;
}
.error-preview-frame.theme-cyber .err-icon-halo {
  background: #ccfbf1;
  border: 1.5px solid #5eead4;
  color: #0d9488;
}
.error-preview-frame.theme-cyber .err-code-badge {
  background: #ccfbf1;
  color: #0f766e;
  border: 1px solid #5eead4;
}
.error-preview-frame.theme-cyber .err-countdown-pill {
  background: #e6fffa;
  border: 1px solid #99f6e4;
  color: #0f766e;
}
.error-preview-frame.theme-cyber .err-meta-row {
  color: #14b8a6;
}
.error-preview-frame.theme-cyber .err-meta-row code {
  background: #ccfbf1;
  border: 1px solid #99f6e4;
  color: #0f766e;
}
.error-preview-frame.theme-cyber .err-retry-btn,
.error-preview-frame.theme-cyber #err-preview-btn {
  background: #0d9488;
  color: #ffffff;
}

[data-theme="dark"] .error-preview-frame.theme-cyber {
  background: #042f2e;
  border-color: rgba(45, 212, 191, 0.35);
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-live-title,
[data-theme="dark"] .error-preview-frame.theme-cyber h3.err-live-title {
  color: #ffffff !important;
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-live-desc,
[data-theme="dark"] .error-preview-frame.theme-cyber p.err-live-desc {
  color: #99f6e4 !important;
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-icon-halo {
  background: rgba(13, 148, 136, 0.2);
  border: 1.5px solid #2dd4bf;
  color: #2dd4bf;
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-code-badge {
  background: rgba(13, 148, 136, 0.2);
  color: #2dd4bf;
  border: 1px solid rgba(45, 212, 191, 0.4);
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-countdown-pill {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(45, 212, 191, 0.25);
  color: #ccfbf1;
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-meta-row {
  color: #5eead4;
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-meta-row code {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(45, 212, 191, 0.2);
  color: #5eead4;
}
[data-theme="dark"] .error-preview-frame.theme-cyber .err-retry-btn,
[data-theme="dark"] .error-preview-frame.theme-cyber #err-preview-btn {
  background: #14b8a6;
  color: #042f2e;
  font-weight: 700;
}

.error-preview-frame.theme-crimson {
  background: #fff1f2;
  border-color: #fecdd3;
}
.error-preview-frame.theme-crimson .err-live-title,
.error-preview-frame.theme-crimson h3.err-live-title {
  color: #881337 !important;
}
.error-preview-frame.theme-crimson .err-live-desc,
.error-preview-frame.theme-crimson p.err-live-desc {
  color: #9f1239 !important;
}
.error-preview-frame.theme-crimson .err-icon-halo {
  background: #ffe4e6;
  border: 1.5px solid #fda4af;
  color: #e11d48;
}
.error-preview-frame.theme-crimson .err-code-badge {
  background: #ffe4e6;
  color: #be123c;
  border: 1px solid #fda4af;
}
.error-preview-frame.theme-crimson .err-countdown-pill {
  background: #fff5f5;
  border: 1px solid #fecdd3;
  color: #9f1239;
}
.error-preview-frame.theme-crimson .err-meta-row {
  color: #fb7185;
}
.error-preview-frame.theme-crimson .err-meta-row code {
  background: #ffe4e6;
  border: 1px solid #fecdd3;
  color: #be123c;
}
.error-preview-frame.theme-crimson .err-retry-btn,
.error-preview-frame.theme-crimson #err-preview-btn {
  background: #e11d48;
  color: #ffffff;
}

[data-theme="dark"] .error-preview-frame.theme-crimson {
  background: #2a0810;
  border-color: rgba(244, 63, 94, 0.35);
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-live-title,
[data-theme="dark"] .error-preview-frame.theme-crimson h3.err-live-title {
  color: #ffffff !important;
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-live-desc,
[data-theme="dark"] .error-preview-frame.theme-crimson p.err-live-desc {
  color: #fecdd3 !important;
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-icon-halo {
  background: rgba(225, 29, 72, 0.2);
  border: 1.5px solid #fb7185;
  color: #fb7185;
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-code-badge {
  background: rgba(225, 29, 72, 0.2);
  color: #fda4af;
  border: 1px solid rgba(251, 113, 133, 0.4);
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-countdown-pill {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(244, 63, 94, 0.25);
  color: #ffe4e6;
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-meta-row {
  color: #fda4af;
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-meta-row code {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(244, 63, 94, 0.2);
  color: #fda4af;
}
[data-theme="dark"] .error-preview-frame.theme-crimson .err-retry-btn,
[data-theme="dark"] .error-preview-frame.theme-crimson #err-preview-btn {
  background: #e11d48;
  color: #ffffff;
}

.error-studio-actions-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.25rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  align-items: center;
  justify-content: flex-end;
}

.studio-theme-pills {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.studio-theme-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.studio-theme-btn:hover {
  color: var(--primary);
  border-color: var(--border-focus);
}

.studio-theme-btn.active {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
  font-weight: 700;
}

[data-theme="dark"] .studio-theme-btn.active {
  background: rgba(37, 99, 235, 0.2);
  border-color: rgba(56, 189, 248, 0.4);
  color: #38bdf8;
}





.theme-btn-text {
  display: inline-block;
}

/* ==========================================================================
   CompanyBook Design Principles & Ergonomics for OpenBalancer
   ========================================================================== */

.cb-announcement-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--primary);
  font-family: var(--font-brand);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2rem;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.cb-announcement-banner:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  border-left-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.07);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .cb-announcement-banner {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.75rem;
    font-size: 0.8rem;
    max-width: 100%;
    margin-bottom: 1.25rem;
  }
}

.cb-badge-new {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--primary);
  color: #ffffff;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.cb-search-container {
  width: 100%;
  max-width: 760px;
  margin: 0 auto 2rem auto;
  position: relative;
}

.cb-search-bar {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  padding: 0.35rem 0.45rem 0.35rem 1.4rem;
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-fast);
}

.cb-search-bar:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--border-accent), 0 8px 20px -4px rgba(0, 0, 0, 0.08);
}

.cb-search-icon {
  color: var(--text-dim);
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.cb-search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  font-family: var(--font-sans);
  min-height: 44px;
}

.cb-search-input::placeholder {
  color: var(--text-dim);
}

.cb-search-btn {
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.65rem 1.4rem;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 42px;
  transition: all var(--transition-fast);
}

.cb-search-btn:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.cb-search-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.cb-search-tags {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  width: 100%;
}

.cb-search-tags-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.cb-search-tags-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  width: 100%;
}

.cb-search-tag {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.85rem;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.cb-search-tag:hover {
  color: var(--primary);
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.cb-search-tag:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .cb-search-tags-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    max-width: 520px;
    margin: 0 auto;
  }

  .cb-search-tag {
    width: 100%;
    font-size: 0.76rem;
    padding: 0.4rem 0.5rem;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }
}

@media (max-width: 440px) {
  .cb-search-tags-list {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .cb-search-tag {
    font-size: 0.8rem;
    min-height: 38px;
  }
}

/* Site & API Speed Probe Result Card */
.site-probe-result {
  margin-top: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  text-align: left;
  animation: fadeInDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.probe-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.probe-target {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.probe-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

[data-theme="dark"] .probe-status-badge,
body.theme-dark .probe-status-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.probe-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .probe-metrics-grid {
    grid-template-columns: 1fr;
  }
}

.probe-metric-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.probe-metric-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.probe-metric-val {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.probe-metric-val.accelerated {
  color: #2563eb;
}

[data-theme="dark"] .probe-metric-val.accelerated,
body.theme-dark .probe-metric-val.accelerated {
  color: #38bdf8;
}

.probe-metric-gain {
  font-size: 0.75rem;
  color: #16a34a;
  font-weight: 600;
  margin-top: 0.2rem;
}

[data-theme="dark"] .probe-metric-gain,
body.theme-dark .probe-metric-gain {
  color: #34d399;
}

.probe-footer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.probe-cta-btn {
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.probe-cta-btn:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* Symmetrical 4-Stat Metric Row */
.cb-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 3rem 0 3.5rem 0;
  padding: 2.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
}

.cb-stat-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cb-stat-number {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.04em;
  line-height: 1.1;
  font-family: var(--font-sans);
}

.cb-stat-label {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 600;
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.35;
}

@media (max-width: 992px) {
  .cb-stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1.5rem;
    padding: 2rem 1.25rem;
    margin: 2.5rem 0 3rem 0;
  }
}

@media (max-width: 520px) {
  .cb-stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 0.75rem;
    padding: 1.5rem 0.85rem;
    margin: 2rem 0 2.5rem 0;
  }

  .cb-stat-number {
    font-size: 1.65rem;
  }

  .cb-stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.02em;
  }
}

/* Bento Parameter Breakdown Cards */
.cb-bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.cb-bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.cb-bento-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

.cb-bento-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.cb-bento-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.cb-bento-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Precision Mobile Layout & Zero-Overflow Responsive Safeguards
   ========================================================================== */

html, body {
  overflow-x: hidden !important;
  max-width: 100vw;
}

@media (max-width: 640px) {
  .nav-actions .theme-toggle-btn {
    display: none !important;
  }
  .nav-actions .btn,
  .nav-actions .btn-sm,
  .nav-actions .btn-outline,
  .nav-actions .btn-secondary,
  .nav-actions .btn-primary {
    display: none !important;
  }
  .nav-links {
    display: none !important;
  }
  .mobile-menu-btn {
    display: inline-flex !important;
  }
  .navbar .container {
    padding: 0 0.85rem;
  }
  .nav-brand {
    font-size: 1.1rem;
    gap: 0.5rem;
  }
  .cb-search-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    gap: 0.75rem;
    border-radius: 20px;
  }
  .cb-search-btn {
    width: 100%;
    justify-content: center;
    border-radius: 12px;
  }
  .cb-search-icon {
    display: none;
  }
  .cb-search-input {
    width: 100%;
    text-align: left;
    padding: 0 0.25rem;
  }
  .terminal-header {
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 0.75rem !important;
    gap: 0.75rem !important;
  }
  .terminal-tabs {
    max-width: 100%;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 0.25rem;
  }
  .terminal-tab {
    flex-shrink: 0;
    font-size: 0.76rem;
    padding: 0.35rem 0.65rem;
  }
  .copy-btn,
  #terminal-copy-btn {
    width: 100% !important;
    justify-content: center !important;
  }
  .upstream-item {
    display: grid !important;
    grid-template-columns: 1fr 1fr auto !important;
    gap: 0.4rem !important;
    padding: 0.6rem 0.5rem !important;
  }
  .upstream-item input {
    width: 100% !important;
    min-width: 0 !important;
    font-size: 0.8rem !important;
    padding: 0.4rem 0.5rem !important;
  }
  .upstream-item .btn-remove-upstream {
    grid-column: 3;
  }
  .config-preview-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
    padding: 0.75rem !important;
  }
  .config-preview-header > div:last-child {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    width: 100% !important;
  }
  .config-preview-header .btn {
    width: 100% !important;
    justify-content: center !important;
  }
  .payment-card-icons {
    flex-wrap: wrap !important;
    max-width: 100% !important;
    gap: 0.5rem !important;
  }
  .api-tester-tabs {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    flex-wrap: nowrap !important;
    padding-bottom: 0.25rem !important;
  }
  .api-tab-btn {
    flex-shrink: 0 !important;
  }
  .api-tester-topbar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
  }
  .api-tester-controls {
    flex-direction: column !important;
    align-items: stretch !important;
    width: 100% !important;
    gap: 0.5rem !important;
  }
  .api-host-pills {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
  }
  .api-host-btn {
    flex: 1 !important;
    text-align: center !important;
    justify-content: center !important;
  }
  #api-tester-execute-btn {
    width: 100% !important;
    justify-content: center !important;
  }
  .config-actions-row {
    flex-direction: column !important;
    width: 100% !important;
  }
  .config-actions-row .btn {
    width: 100% !important;
    justify-content: center !important;
  }
  .cookie-banner {
    bottom: 0.75rem !important;
    left: 0.75rem !important;
    right: 0.75rem !important;
    transform: none !important;
    width: calc(100% - 1.5rem) !important;
    max-width: calc(100% - 1.5rem) !important;
    padding: 0.85rem 1rem !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
  }
  .cookie-banner .cookie-actions {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 0.4rem !important;
  }
  .cookie-banner .btn {
    width: 100% !important;
    justify-content: center !important;
  }
  .btn,
  .btn-sm,
  .btn-primary,
  .btn-secondary,
  .btn-outline,
  .blog-filter-btn,
  .view-switch-btn,
  .preset-pill,
  .studio-theme-btn,
  .api-tab-btn,
  .api-host-btn,
  .mobile-menu-btn {
    min-height: 42px !important;
  }
  .btn-copy-snippet {
    min-height: 36px !important;
  }
  .comparison-table-wrapper,
  .docs-table-wrapper,
  .table-responsive {
    max-width: 100%;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1.25rem 0;
    border-radius: var(--radius-sm);
  }
  .docs-table {
    min-width: 540px;
  }
  .latency-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .latency-view-switcher {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .footer-links a {
    padding: 0.35rem 0;
    display: inline-block;
  }
}

/* ==========================================================================
   Definitive Dark Theme Harmonization & High-Contrast Tokens
   ========================================================================== */
[data-theme="dark"] .cb-announcement-banner {
  background: #0e1526 !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
  border-left-color: #38bdf8 !important;
  color: #f8fafc !important;
}

[data-theme="dark"] .cb-announcement-banner:hover {
  background: #131c31 !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  border-left-color: #38bdf8 !important;
}

[data-theme="dark"] .cb-search-bar {
  background: #0e1526 !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
}

[data-theme="dark"] .cb-search-bar:focus-within {
  border-color: #38bdf8 !important;
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15) !important;
}

[data-theme="dark"] .cb-search-input {
  color: #f8fafc !important;
}

[data-theme="dark"] .cb-search-input::placeholder {
  color: #64748b !important;
}

[data-theme="dark"] .cb-search-tag {
  background: #131c31 !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
  color: #94a3b8 !important;
}

[data-theme="dark"] .cb-search-tag:hover {
  background: #16223b !important;
  color: #38bdf8 !important;
  border-color: #38bdf8 !important;
}

[data-theme="dark"] .cb-stats-row {
  background: #0e1526 !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .cb-stat-number {
  color: #f8fafc !important;
}

[data-theme="dark"] .cb-stat-label {
  color: #94a3b8 !important;
}

[data-theme="dark"] .cb-bento-card {
  background: #0e1526 !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .cb-bento-card:hover {
  border-color: rgba(56, 189, 248, 0.3) !important;
}

[data-theme="dark"] .cb-bento-tag {
  background: rgba(37, 99, 235, 0.15) !important;
  border-color: rgba(56, 189, 248, 0.3) !important;
  color: #60a5fa !important;
}

[data-theme="dark"] .cb-bento-title {
  color: #f8fafc !important;
}

[data-theme="dark"] .cb-bento-desc {
  color: #94a3b8 !important;
}

/* ==========================================================================
   Engineering Blog Hub & Interactive Article Viewer
   ========================================================================== */

.blog-hero {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
  max-width: 820px;
  margin: 0 auto;
}

.blog-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1.5rem auto 3rem;
}

.blog-filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  padding: 0.45rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.blog-filter-btn:hover {
  color: var(--primary);
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
}

.blog-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 5rem;
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.blog-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 10px 24px -4px rgba(0, 0, 0, 0.08);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

.blog-card-badge {
  background: var(--bg-subtle);
  color: var(--primary);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--primary);
}

.blog-card-excerpt {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.blog-card-readmore {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition-fast);
}

.blog-card:hover .blog-card-readmore {
  gap: 0.6rem;
}

.blog-back-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.55rem 1.15rem;
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.blog-back-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateX(-2px);
}

.blog-article-view {
  max-width: 820px;
  margin: 0 auto 5rem;
  padding: 1rem 0;
}