/* ========================================
   Car Comparison - Apple-like Design System
   ======================================== */

/* Design Tokens */
:root {
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* Colors - Neutral */
  --color-bg: #f5f5f7;
  --color-surface: #ffffff;
  --color-text-primary: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-text-tertiary: #86868b;
  --color-border: #d2d2d7;
  --color-border-light: #e8e8ed;
  --color-hover: #f0f0f5;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;

  /* Tableau 10 Palette */
  --tab-blue: #4e79a7;
  --tab-orange: #f28e2b;
  --tab-red: #e15759;
  --tab-teal: #76b7b2;
  --tab-green: #59a14f;
  --tab-yellow: #edc948;
  --tab-purple: #b07aa1;
  --tab-pink: #ff9da7;
  --tab-brown: #9c755f;
  --tab-gray: #bab0ac;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.10), 0 4px 16px rgba(0, 0, 0, 0.06);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --sidebar-width: 300px;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--color-text-primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.filter-section-header:focus-visible {
  border-radius: var(--radius-sm);
}

/* ========================================
   Header
   ======================================== */
.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding: calc(var(--space-lg) / 2) var(--space-2xl);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.85);
}

.header-inner {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  min-width: 0;
}

.header-logo {
  height: 80px;
  width: auto;
  object-fit: contain;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
}

.header-left:hover h1,
.header-left:hover p {
  color: var(--color-accent);
}

.header-left:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-md);
}

.header p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.top-nav {
  margin-left: auto;
  margin-right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-dropdown {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  background: transparent;
  border: 1px solid var(--color-border-light);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  list-style: none;
  transition: all var(--transition-fast);
}

.nav-link::marker {
  content: '';
}

.nav-link::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -2px;
}

.nav-dropdown[open] .nav-link,
.nav-link:hover,
.nav-link:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  outline: none;
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 260px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  display: grid;
  gap: 4px;
  z-index: 120;
}

.dropdown-menu a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible {
  background: var(--color-hover);
  color: var(--color-text-primary);
  outline: none;
}

.login-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.login-btn:hover {
  background: var(--color-accent-hover);
}

/* ========================================
   Stats Ribbon
   ======================================== */
.stats-ribbon {
  max-width: 1600px;
  margin: var(--space-lg) auto;
  padding: 0 var(--space-2xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  position: relative;
}

.stats-ribbon::before {
  content: '';
  position: absolute;
  inset: -12px -8px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 15% 20%, rgba(0, 113, 227, 0.10), transparent 55%),
    radial-gradient(circle at 85% 75%, rgba(89, 161, 79, 0.10), transparent 60%),
    repeating-linear-gradient(
      45deg,
      rgba(0, 0, 0, 0.025) 0,
      rgba(0, 0, 0, 0.025) 1px,
      transparent 1px,
      transparent 7px
    );
  opacity: 0.75;
  pointer-events: none;
  z-index: 0;
}

.stats-ribbon > * {
  position: relative;
  z-index: 1;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  text-align: center;
  transition: box-shadow var(--transition-normal);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ========================================
   Battle Section
   ======================================== */
.battle-section {
  max-width: 1400px;
  margin: var(--space-2xl) auto 0;
  padding: 0 var(--space-2xl);
}

.battle-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.battle-section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.battle-section-header p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.battle-section-link {
  font-size: 0.875rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}

.battle-section-link:hover {
  text-decoration: underline;
}

.battle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.battle-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: var(--space-sm);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.battle-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.battle-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.battle-card-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.battle-card.loading {
  justify-items: center;
  color: var(--color-text-tertiary);
}

/* ========================================
   Main Layout
   ======================================== */
.main-layout {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--space-2xl) var(--space-2xl);
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--space-lg);
  align-items: start;
}

/* ========================================
   Theme Pages
   ======================================== */
.theme-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-2xl) var(--space-2xl);
}

.theme-hero {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-2xl) var(--space-lg);
}

.theme-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}

.theme-kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-tertiary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.theme-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.theme-intro {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 640px;
}

.theme-generation {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.theme-generation h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.theme-generation-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.theme-generation-list li {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.leaderboards-hero .theme-generation {
  display: grid;
  gap: var(--space-sm);
}

.leaderboards-controls {
  display: grid;
  gap: var(--space-sm);
  justify-items: start;
}

.leaderboards-note {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
  line-height: 1.4;
}

.theme-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0 var(--space-2xl);
}

.battle-comparisons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0 var(--space-2xl);
}

.leaderboard-card {
  margin-bottom: var(--space-xl);
}

.leaderboard-header {
  align-items: flex-start;
  gap: var(--space-md);
}

.leaderboard-header h2 {
  margin: 0 0 var(--space-xs);
}

.leaderboard-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.leaderboard-unit {
  align-self: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border-light);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  font-weight: 600;
  white-space: nowrap;
}

.leaderboard-table th.num {
  text-align: right;
}

.leaderboard-table th.icon-col {
  text-align: center;
  width: 44px;
}

.icon-cell {
  text-align: center;
  width: 44px;
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
}

.icon-cell.muted {
  color: var(--color-text-tertiary);
}

.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--color-border-light);
  background: var(--color-surface);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.icon-badge.fi {
  border-color: rgba(242, 142, 43, 0.4);
  background: rgba(242, 142, 43, 0.15);
  border-color: color-mix(in srgb, var(--tab-orange), #fff 60%);
  background: color-mix(in srgb, var(--tab-orange), #fff 85%);
  color: var(--tab-orange);
}

.icon-badge.ev {
  border-color: rgba(118, 183, 178, 0.4);
  background: rgba(118, 183, 178, 0.15);
  border-color: color-mix(in srgb, var(--tab-teal), #fff 60%);
  background: color-mix(in srgb, var(--tab-teal), #fff 85%);
  color: var(--tab-teal);
}

.comparison-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: var(--space-sm);
}

.comparison-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  font-weight: 600;
}

.comparison-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.comparison-make {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.comparison-value {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-secondary);
}

.highlight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.highlight-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.highlight-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.highlight-meta {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.weight-legend {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-lg);
}

.weight-legend-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}

.weight-legend-bar {
  width: 180px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #4e79a7, #e15759);
}

.weight-legend-range {
  display: flex;
  justify-content: space-between;
  width: 180px;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

/* ========================================
   Filter Sidebar
   ======================================== */
.filter-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-md));
  max-height: calc(100vh - var(--header-height) - var(--space-xl));
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  padding: var(--space-lg);
}

/* Scrollbar styling */
.filter-sidebar::-webkit-scrollbar {
  width: 6px;
}

.filter-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.filter-sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.filter-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.clear-filters-btn {
  font-size: 0.8125rem;
  color: var(--color-accent);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 500;
  font-family: var(--font-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.clear-filters-btn:hover {
  background: rgba(0, 113, 227, 0.08);
}

.filter-section {
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: var(--space-sm);
}

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

/* Collapsible Filter Sections */
.filter-section.collapsible .filter-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-sm) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-primary);
}

.filter-section.collapsible .filter-section-header:hover {
  background: var(--color-hover);
  margin: 0 calc(-1 * var(--space-sm));
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  width: calc(100% + var(--space-md));
}

.filter-section.collapsible .filter-section-title {
  margin-bottom: 0;
}

.filter-section.collapsible .collapse-icon {
  transition: transform var(--transition-fast);
  color: var(--color-text-tertiary);
}

.filter-section.collapsible[data-expanded="false"] .collapse-icon {
  transform: rotate(-90deg);
}

.filter-section.collapsible .filter-section-content {
  overflow: hidden;
  transition: max-height var(--transition-normal), opacity var(--transition-fast), padding var(--transition-fast);
  max-height: 500px;
  opacity: 1;
  padding-top: var(--space-sm);
}

.filter-section.collapsible[data-expanded="false"] .filter-section-content {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
}

.filter-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-sm);
}

/* Model Search Input */
.filter-search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.filter-search-input:focus {
  border-color: var(--color-accent);
}

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

/* Toggle All Controls */
.toggle-all-controls {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.toggle-all-btn {
  flex: 1;
  padding: 4px var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-family: var(--font-primary);
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.toggle-all-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 113, 227, 0.04);
}

.toggle-all-btn.select-all-btn:hover {
  background: rgba(89, 161, 79, 0.08);
  border-color: var(--tab-green);
  color: var(--tab-green);
}

.toggle-all-btn.unselect-all-btn:hover {
  background: rgba(225, 87, 89, 0.08);
  border-color: var(--tab-red);
  color: var(--tab-red);
}

/* Checkbox Groups */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px var(--space-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
  user-select: none;
}

.checkbox-label:hover {
  background: var(--color-hover);
}

.checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* Inline checkbox group for compact filters (doors, seats, cylinders) */
.checkbox-group.checkbox-inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.checkbox-group.checkbox-inline .checkbox-label {
  padding: 4px 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.checkbox-group.checkbox-inline .checkbox-label:hover {
  border-color: var(--color-accent);
}

.checkbox-group.checkbox-inline .checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-group.checkbox-inline .checkbox-label.selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.checkbox-group.checkbox-inline .checkbox-count {
  margin-left: var(--space-xs);
}

/* Alphabetic group headers for makes */
.alphabet-group-header {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  padding: var(--space-sm) var(--space-sm) var(--space-xs);
  background: var(--color-bg);
  margin: var(--space-xs) calc(-1 * var(--space-sm)) 0;
  position: sticky;
  top: 0;
  z-index: 1;
}

/* Transmission filter - grouped layout */
.transmission-group {
  margin-bottom: var(--space-sm);
}

.transmission-group-header {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  padding: var(--space-xs) 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Manufacturer filter - scrollable */
.manufacturer-list {
  max-height: 240px;
  overflow-y: auto;
  margin-top: var(--space-xs);
  padding-right: var(--space-xs);
}

.manufacturer-list::-webkit-scrollbar {
  width: 4px;
}

.manufacturer-list::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.manufacturer-search {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
  margin-bottom: var(--space-sm);
}

.manufacturer-search:focus {
  border-color: var(--color-accent);
}

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

/* Range Sliders */
.range-slider-container {
  padding: var(--space-sm) 0;
}

.range-values {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  font-variant-numeric: tabular-nums;
}

.range-slider-track {
  position: relative;
  height: 36px;
  display: flex;
  align-items: center;
}

.range-slider-track input[type="range"] {
  position: absolute;
  width: 100%;
  height: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  pointer-events: none;
  outline: none;
}

.range-slider-track input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  pointer-events: auto;
  transition: transform var(--transition-fast);
}

.range-slider-track input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.range-slider-track input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  pointer-events: auto;
}

.range-track-fill {
  position: absolute;
  height: 4px;
  background: var(--color-border-light);
  border-radius: 2px;
  width: 100%;
  top: 50%;
  transform: translateY(-50%);
}

.range-track-active {
  position: absolute;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  top: 50%;
  transform: translateY(-50%);
}

/* Active Filter Pills */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  min-height: 0;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(0, 113, 227, 0.08);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
  font-family: var(--font-primary);
}

.filter-pill:hover {
  background: rgba(0, 113, 227, 0.15);
}

.filter-pill .remove {
  font-size: 0.875rem;
  line-height: 1;
}

.filter-units {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.filter-units-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
}

.filter-units-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  position: relative;
}

/* ========================================
   Content Area
   ======================================== */
.content-area {
  min-width: 0;
}

/* Chart Card */
.chart-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.chart-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.chart-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chart-filter-summary {
  font-size: 0.8125rem;
  color: #6e6e73;
}

.chart-count {
  font-size: 0.8125rem;
  color: #6e6e73;
}

.chart-controls {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.chart-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  position: relative;
}

.chart-toggle span {
  white-space: nowrap;
}

.toggle-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}

.toggle-slider {
  width: 36px;
  height: 20px;
  border-radius: 999px;
  background: var(--color-border-light);
  position: relative;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  top: 3px;
  left: 3px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-fast);
}

.toggle-input:checked + .toggle-slider {
  background: var(--color-accent);
}

.toggle-input:checked + .toggle-slider::after {
  transform: translateX(16px);
}

.toggle-input:focus-visible + .toggle-slider {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.toggle-label {
  white-space: nowrap;
}

.chart-btn {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: var(--font-primary);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.chart-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.chart-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 500px;
}

/* Chart Legend */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  user-select: none;
}

.legend-item:hover {
  background: var(--color-hover);
}

.legend-item.dimmed {
  opacity: 0.35;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ========================================
   Data Table
   ======================================== */
.table-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

/* Diagnostics */
.diagnostics-banner {
  display: none;
  margin-bottom: var(--space-md);
  background: #fff5f5;
  border: 1px solid #f5c2c7;
  color: #8a1c1c;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-size: 0.875rem;
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}

/* Diagnostics banners hidden by default; show only with debug mode */
body.debug-mode .diagnostics-banner {
  display: block !important;
}

.diagnostics-banner strong {
  display: block;
  margin-bottom: var(--space-xs);
}

.diagnostics-banner code {
  background: rgba(0, 0, 0, 0.04);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.diagnostics-banner .diagnostics-actions {
  margin-top: var(--space-sm);
  display: flex;
  gap: var(--space-sm);
}

.diagnostics-banner .diagnostics-btn {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid #dba3a7;
  background: #fff;
  color: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}

.diagnostics-banner .diagnostics-btn:hover {
  border-color: #b35b61;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.table-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.table-info {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  background: var(--color-bg);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

.data-table th:hover {
  color: var(--color-text-primary);
}

.data-table th.sort-active {
  color: var(--color-accent);
}

.data-table th .sort-arrow {
  margin-left: 4px;
  opacity: 0.3;
  font-size: 0.625rem;
}

.data-table th.sort-active .sort-arrow {
  opacity: 1;
}

.data-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
  color: var(--color-text-primary);
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--color-hover);
}

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

/* Numeric columns */
.data-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.data-table th.num {
  text-align: right;
}

/* Manufacturer color dot in table */
.mfr-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.pagination-info {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.pagination-controls {
  display: flex;
  gap: var(--space-xs);
}

/* ========================================
   Legal Pages
   ======================================== */
.legal-page {
  max-width: 960px;
  margin: var(--space-2xl) auto;
  padding: 0 var(--space-2xl) var(--space-2xl);
}

.legal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-2xl);
}

.legal-card h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.legal-card .legal-meta {
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
}

.legal-card h2 {
  font-size: 1.125rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-card p,
.legal-card li {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.legal-card ul {
  padding-left: var(--space-lg);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
}

.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: var(--font-primary);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 36px;
  text-align: center;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-2xl);
}

.footer-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-2xl) var(--space-xl);
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-2xl);
}

.footer-brand {
  padding-right: var(--space-xl);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2xl);
  grid-column: span 3;
}

.footer-logo {
  height: 288px;
  width: auto;
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.footer-column h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-accent);
  color: #fff;
}

.footer-bottom {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-2xl);
  border-top: 1px solid var(--color-border-light);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

/* Footer Responsive */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .footer-brand {
    grid-column: span 2;
    padding-right: 0;
    text-align: center;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-column: span 2;
  }

  .footer-logo {
    margin: 0 auto var(--space-md);
    height: 160px;
  }
}

@media (max-width: 640px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-links {
    grid-template-columns: 1fr;
    grid-column: span 1;
  }

  .footer-logo {
    height: 110px;
  }

  .footer-column ul {
    align-items: center;
  }

  .social-links {
    justify-content: center;
  }
}

/* ========================================
   Mobile Filter Toggle
   ======================================== */
.mobile-filter-toggle {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 200;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-primary);
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-fast);
}

.mobile-filter-toggle:hover {
  transform: scale(1.05);
}

.filter-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 150;
  backdrop-filter: blur(4px);
}

/* ========================================
   Loading State
   ======================================== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--color-text-tertiary);
  font-size: 0.9375rem;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border-light);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: var(--space-sm);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========================================
   Tooltip (custom Chart.js tooltip)
   ======================================== */
.chart-tooltip {
  background: rgba(29, 29, 31, 0.95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  color: #fff;
  pointer-events: none;
  box-shadow: var(--shadow-lg);
  max-width: 280px;
}

.chart-tooltip .tooltip-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.875rem;
}

.chart-tooltip .tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 1px 0;
  color: rgba(255, 255, 255, 0.8);
}

.chart-tooltip .tooltip-row .label {
  color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 260px;
  }

  .stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-container {
    height: 400px;
  }

  .theme-hero-inner {
    grid-template-columns: 1fr;
  }

  .theme-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .battle-comparisons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .header {
    padding: var(--space-md) var(--space-lg);
  }

  .stats-ribbon {
    padding: 0 var(--space-lg);
  }

  .main-layout {
    grid-template-columns: 1fr;
    padding: 0 var(--space-lg) var(--space-lg);
  }

  .battle-section {
    padding: 0 var(--space-lg);
  }

  .filter-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    max-width: 85vw;
    max-height: 100vh;
    border-radius: 0;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    box-shadow: var(--shadow-xl);
  }

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

  .filter-overlay.open {
    display: block;
  }

  .mobile-filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .chart-card {
    padding: var(--space-md);
  }

  .chart-container {
    height: 300px;
  }

  .chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .table-header {
    padding: var(--space-md);
  }

  .pagination {
    padding: var(--space-md);
    flex-direction: column;
    gap: var(--space-sm);
  }

  .top-nav {
    order: 3;
    margin: var(--space-sm) 0 0;
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: var(--shadow-sm);
  }

  .nav-dropdown {
    flex: 1 1 150px;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
  }

  .header-inner {
    flex-wrap: wrap;
    align-items: center;
  }

  .header-left {
    flex: 1 1 100%;
  }

  .header-logo {
    height: 56px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .theme-hero {
    padding: var(--space-lg) var(--space-lg) var(--space-md);
  }

  .theme-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .stat-card {
    padding: var(--space-md);
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .header h1 {
    font-size: 1.25rem;
  }

  .header p {
    display: none;
  }

  .header-logo {
    height: 44px;
  }

  .theme-highlights {
    grid-template-columns: 1fr;
  }

  .battle-comparisons {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Clickable Table Rows
   ======================================== */
.clickable-row {
  cursor: pointer;
}

.clickable-row:hover {
  background: var(--color-hover);
}

/* ========================================
   Vehicle Detail Page
   ======================================== */
.vehicle-detail-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-2xl) var(--space-2xl);
}

.back-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.back-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xl);
}

.breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--color-border);
}

.detail-loading,
.detail-error {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--color-text-secondary);
}

.detail-loading .loading-spinner {
  margin: 0 auto var(--space-md);
}

.detail-error h2 {
  font-size: 1.5rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.vehicle-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.vehicle-hero-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.vehicle-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

.vehicle-price-badge {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 1.125rem;
  font-weight: 600;
  white-space: nowrap;
}

.quick-stats-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.quick-stats-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.quick-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.quick-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.quick-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

.specs-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.spec-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.spec-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.spec-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
}

.spec-item dt {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
}

.spec-item dd {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: right;
}

.compare-cta {
  text-align: center;
  padding: var(--space-xl) 0;
}

.btn-primary {
  display: inline-block;
  padding: var(--space-md) var(--space-2xl);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

/* Vehicle Detail Responsive */
@media (max-width: 768px) {
  .vehicle-detail-container {
    padding: var(--space-md) var(--space-lg);
  }

  .vehicle-hero {
    flex-direction: column;
    gap: var(--space-md);
  }

  .vehicle-hero-content h1 {
    font-size: 1.75rem;
  }

  .quick-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .specs-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .vehicle-hero-content h1 {
    font-size: 1.5rem;
  }

  .quick-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .quick-stat {
    padding: var(--space-md);
  }

  .quick-stat-value {
    font-size: 1.25rem;
  }
}