/* ========================================
   CAR BMT - Clean & Modern Car Search UI
   Professional, easy-to-use interface
   ======================================== */

:root {
  /* Clean Light Theme */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --accent: #f59e0b;
  --accent-dark: #d97706;

  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

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

*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--gray-50);
  color: var(--gray-800);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */

.app-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.875rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.app-logo:hover {
  opacity: 0.8;
}

.car-icon {
  color: var(--primary);
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 0.5rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--gray-900);
  background: var(--gray-100);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

.mobile-menu-toggle:hover {
  background: var(--gray-100);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 3rem 1.5rem 3.5rem;
  text-align: center;
}

.hero-content {
  max-width: 640px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
}

.hero-search-bar {
  display: flex;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  box-shadow: var(--shadow-lg);
  gap: 0.5rem;
}

.hero-search-bar .search-icon {
  color: var(--gray-400);
  margin-left: 0.75rem;
  flex-shrink: 0;
}

.hero-search-bar input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--gray-800);
  padding: 0.625rem 0.5rem;
  outline: none;
}

.hero-search-bar input::placeholder {
  color: var(--gray-400);
}

.search-btn {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.search-btn:hover {
  background: var(--primary-dark);
}

/* Quick Action Buttons */
.quick-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.quick-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
}

.quick-btn.active {
  background: var(--white);
  color: var(--primary);
  border-color: transparent;
}

/* ========================================
   MAIN LAYOUT
   ======================================== */

/* Mobile Filter Toggle */
.mobile-filter-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 1rem;
  width: 100%;
  justify-content: center;
}

.mobile-filter-toggle:hover {
  background: var(--primary-dark);
}

.mobile-filter-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 900;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-filter-overlay.active {
  opacity: 1;
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.filter-header .filter-title {
  margin: 0;
}

.mobile-filter-close {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border: none;
  border-radius: 50%;
  color: var(--gray-600);
  cursor: pointer;
}

.mobile-filter-close:hover {
  background: var(--gray-200);
  color: var(--gray-800);
}

.main-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.main-container.traffic-fine {
  display: block;
}

/* ========================================
   FILTERS SIDEBAR
   ======================================== */

.filters-sidebar {
  position: sticky;
  top: 80px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.filter-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
}

.filter-group {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--gray-100);
}

.filter-group:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.filter-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.625rem;
}

.filter-input,
.filter-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--gray-800);
  transition: all var(--transition-fast);
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-input::placeholder {
  color: var(--gray-400);
}

/* Price Range */
.price-inputs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.price-inputs input {
  flex: 1;
  min-width: 0;
  padding: 0.625rem 0.5rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background: var(--white);
  color: var(--gray-800);
  text-align: center;
  transition: all var(--transition-fast);
}

.price-inputs input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.price-inputs input::placeholder {
  color: var(--gray-400);
}

.price-inputs .separator {
  color: var(--gray-400);
  font-weight: 500;
}

/* ODO Range Slider */
.odo-range-container {
  padding: 0.5rem 0;
}

.odo-range-values {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.odo-value-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 4px;
  min-width: 50px;
  justify-content: center;
}

.odo-range-slider {
  position: relative;
  height: 40px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.odo-range-slider .form-range {
  width: 100%;
  height: 8px;
  padding: 0;
  margin: 0;
}

.odo-range-slider .form-range::-webkit-slider-thumb {
  background: var(--gray-800);
}

.odo-range-slider .form-range::-moz-range-thumb {
  background: var(--gray-800);
}

.odo-range-slider .form-range:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(31, 41, 55, 0.25);
}

.odo-range-slider .form-range:focus::-moz-range-thumb {
  box-shadow: 0 0 0 3px rgba(31, 41, 55, 0.25);
}

/* Source Filters */
.source-checkboxes,
.source-filters {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.source-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  cursor: pointer;
  padding: 0.5rem 0.625rem;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  border: 1px solid transparent;
}

.source-checkbox-label:hover {
  background: var(--gray-50);
}

.source-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.source-checkbox-label input[type="checkbox"]:checked+span {
  color: var(--primary);
  font-weight: 500;
}

.source-checkbox-label:has(input[type="checkbox"]:checked) {
  background: rgba(37, 99, 235, 0.05);
  border-color: rgba(37, 99, 235, 0.2);
}

/* Multi-select dropdown */
.multi-select-input {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-wrap: wrap;
  min-height: 42px;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.multi-select-input:hover {
  border-color: var(--gray-400);
}

.multi-select-input.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.selected-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.selected-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.5rem;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
}

.selected-tag button {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 0;
  display: flex;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.selected-tag button:hover {
  background: rgba(255, 255, 255, 0.3);
}

.multi-select-input input[type="text"] {
  flex: 1;
  min-width: 80px;
  border: none;
  outline: none;
  padding: 0.125rem;
  font-size: 0.875rem;
  background: transparent;
  color: var(--gray-800);
  font-family: var(--font-sans);
}

.dropdown-icon {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
  transition: transform var(--transition-fast);
}

.multi-select-input.active .dropdown-icon {
  transform: translateY(-50%) rotate(180deg);
  color: var(--primary);
}

.multi-select-dropdown {
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all var(--transition-fast);
  z-index: 100;
}

.multi-select-dropdown.active {
  max-height: 280px;
  opacity: 1;
  overflow-y: auto;
}

.dropdown-options {
  padding: 0.5rem;
}

.dropdown-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.dropdown-option:hover {
  background: var(--gray-50);
}

.dropdown-option.selected {
  background: rgba(37, 99, 235, 0.08);
}

.dropdown-option input[type="checkbox"] {
  cursor: pointer;
  accent-color: var(--primary);
}

.dropdown-option-label {
  flex: 1;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.dropdown-option-count {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-weight: 500;
}

.dropdown-empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Apply Filters Button */
.apply-filters-btn {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  transition: background var(--transition-fast);
}

.apply-filters-btn:hover {
  background: var(--primary-dark);
}

/* ========================================
   RESULTS AREA
   ======================================== */

.results-area {
  min-width: 0;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.results-count {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.results-count span:first-child {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-800);
}

.updated-at {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.results-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.refresh-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.sort-label {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.sort-select {
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background: var(--white);
  color: var(--gray-800);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sort-select:hover {
  border-color: var(--gray-400);
}

.sort-select:focus {
  outline: none;
  border-color: var(--primary);
}

/* Status Message */
.status-message {
  padding: 0.75rem 1rem;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
}

.status-message:not(:empty) {
  display: block;
}

/* ========================================
   CAR GRID
   ======================================== */

.car-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.car-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.car-card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--gray-100);
}

.car-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.car-card:hover .car-card-image img {
  transform: scale(1.03);
}

/* Image Navigation Arrows */
.car-image-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 5;
  color: var(--gray-700);
}

.car-card:hover .car-image-nav {
  opacity: 1;
}

.car-image-nav:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.car-image-nav.prev {
  left: 0.5rem;
}

.car-image-nav.next {
  right: 0.5rem;
}

.car-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.25rem 0.625rem;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.car-badge.hot {
  background: var(--error);
}

.car-badge.new {
  background: var(--success);
}

.car-source-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.25rem 0.5rem;
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 500;
}

.car-card-content {
  padding: 0;
}

/* Price Banner - Red prominent bar */
.car-price-banner {
  background: var(--primary-dark);
  color: var(--white);
  padding: 0.75rem 1rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.car-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  padding: 0.875rem 1rem 0.75rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  border-bottom: 1px solid var(--gray-100);
}

/* Specs Grid - 2 columns layout */
.car-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  color: var(--gray-600);
}

.car-spec-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.car-spec-item svg {
  width: 16px;
  height: 16px;
  color: var(--gray-400);
  flex-shrink: 0;
}

.car-spec-item span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Legacy styles for backwards compatibility */
.car-meta {
  display: none;
}

.car-price {
  display: none;
}

.car-price-old {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: line-through;
  margin-left: 0.5rem;
  font-weight: 400;
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 2rem;
  padding: 1.5rem 0;
}

.pagination-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--white);
  color: var(--gray-600);
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

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

.pagination-btn svg {
  width: 14px;
  height: 14px;
}

.pagination-pages {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pagination-page {
  min-width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-page:hover:not(.active):not(.ellipsis) {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

.pagination-page.active {
  background: var(--gray-900);
  color: var(--white);
  border-color: var(--gray-900);
}

.pagination-page.ellipsis {
  border: none;
  background: transparent;
  cursor: default;
  min-width: 24px;
  color: var(--gray-500);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-500);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--gray-300);
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.empty-state p {
  font-size: 0.9375rem;
}

/* Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem;
  gap: 1rem;
}

.loading-state.hidden {
  display: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-state p {
  color: var(--gray-500);
  font-size: 0.9375rem;
}

/* Error State */
.error-state {
  text-align: center;
  padding: 2rem;
  background: rgba(239, 68, 68, 0.08);
  color: var(--error);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
}

.error-state.hidden {
  display: none;
}

/* ========================================
   TRAFFIC FINE SECTION
   ======================================== */

.traffic-fine-section {
  grid-column: 1 / -1;
}

.fine-check-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.fine-check-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.fine-icon {
  width: 48px;
  height: 48px;
  color: var(--warning);
  margin-bottom: 0.75rem;
}

.fine-check-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.fine-check-description {
  font-size: 0.9375rem;
  color: var(--gray-500);
}

/* Method Selector */
.fine-method-selector {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.method-btn {
  padding: 0.625rem 1.25rem;
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.method-btn:hover {
  background: var(--gray-200);
}

.method-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* Iframe Container */
.iframe-container {
  width: 100%;
  height: 550px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.iframe-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  color: var(--gray-500);
  margin-top: 1rem;
  font-size: 0.875rem;
}

.iframe-note svg {
  flex-shrink: 0;
}

/* Manual Method Form */
.fine-check-form {
  max-width: 400px;
  margin: 0 auto;
}

.fine-input-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fine-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  text-align: center;
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
}

.fine-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.fine-input::placeholder {
  color: var(--gray-400);
  letter-spacing: 0;
}

.fine-input-hint {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-top: 0.75rem;
}

/* CAPTCHA */
.fine-captcha-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.fine-captcha-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: center;
}

.fine-captcha-image {
  height: 48px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
}

.reload-captcha-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.reload-captcha-btn:hover {
  background: var(--gray-200);
}

.check-fine-btn {
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background var(--transition-fast);
}

.check-fine-btn:hover {
  background: var(--primary-dark);
}

/* Fine Results */
.fine-result {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
}

.fine-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem;
}

.fine-loading p {
  color: var(--gray-500);
  font-size: 0.9375rem;
}

/* ========================================
   DETAIL MODAL
   ======================================== */

.detail-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.detail-modal[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.detail-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.detail-modal-dialog {
  position: relative;
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.detail-modal[aria-hidden="false"] .detail-modal-dialog {
  transform: translateY(0);
}

.detail-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  color: var(--gray-600);
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.detail-modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.detail-modal-content {
  max-height: 90vh;
  overflow-y: auto;
  padding: 0;
}

.detail-modal-empty,
.detail-modal-loading,
.detail-modal-error {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray-500);
}

.detail-modal-error {
  color: var(--error);
}

/* Detail Header */
.detail-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gray-100);
}

.detail-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.detail-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ef4444;
  margin-bottom: 0.75rem;
}

.detail-source {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-bottom: 0.25rem;
}

/* Detail Actions */
.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.detail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.detail-link:hover {
  background: var(--primary-dark);
}

.detail-link.external-link {
  background: var(--gray-800);
}

.detail-link.external-link:hover {
  background: var(--gray-700);
}

/* Detail Gallery */
.detail-gallery {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gray-100);
}

.detail-gallery-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  margin-bottom: 1rem;
}

.detail-gallery-main img {
  width: 100%;
  height: auto;
  max-height: 450px;
  object-fit: contain;
  display: block;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--gray-700);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.gallery-nav:hover {
  background: var(--gray-50);
  color: var(--gray-900);
}

.gallery-nav.prev {
  left: 1rem;
}

.gallery-nav.next {
  right: 1rem;
}

.detail-gallery-thumbs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.detail-gallery-thumbs button {
  flex-shrink: 0;
  width: 72px;
  height: 54px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  background: var(--gray-100);
  transition: border-color var(--transition-fast);
}

.detail-gallery-thumbs button.active,
.detail-gallery-thumbs button:hover {
  border-color: var(--primary);
}

.detail-gallery-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Detail Summary Grid */
.detail-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gray-100);
}

.detail-summary-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--gray-50);
  border-radius: var(--radius-md);
}

.detail-summary-item span {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-summary-item strong {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* Detail Sections */
.detail-section {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gray-100);
}

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

.detail-section h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-section h3::before {
  content: '';
  width: 4px;
  height: 1em;
  background: var(--primary);
  border-radius: 2px;
}

.detail-section ul {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.detail-section li {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.detail-section li strong {
  min-width: 120px;
  color: var(--gray-500);
  font-weight: 500;
}

/* Detail Description */
.detail-description {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--gray-700);
  white-space: pre-wrap;
}

/* Modal Open State */
.detail-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.detail-modal.is-open .detail-modal-dialog {
  transform: translateY(0);
}

body.modal-open {
  overflow: hidden;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
  .main-container {
    grid-template-columns: 1fr;
  }

  /* Mobile Filter Toggle */
  .mobile-filter-toggle {
    display: flex;
  }

  .mobile-filter-overlay {
    display: block;
    pointer-events: none;
  }

  .mobile-filter-overlay.active {
    pointer-events: auto;
  }

  .mobile-filter-close {
    display: flex;
  }

  .filters-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    max-width: 90vw;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    border-radius: 0;
    border-right: 1px solid var(--gray-200);
  }

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

@media (max-width: 768px) {
  .header-container {
    padding: 0.75rem 1rem;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0.25rem;
  }

  .nav-link {
    display: block;
    padding: 0.75rem 1rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero {
    padding: 2rem 1rem 2.5rem;
  }

  .hero-search-bar {
    flex-direction: column;
    padding: 0.75rem;
  }

  .hero-search-bar .search-icon {
    display: none;
  }

  .hero-search-bar input {
    width: 100%;
    text-align: center;
  }

  .search-btn {
    width: 100%;
  }

  .quick-actions {
    gap: 0.5rem;
  }

  .quick-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  .main-container {
    padding: 1rem;
  }

  .car-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .fine-check-container {
    padding: 1.5rem;
  }

  .iframe-container {
    height: 450px;
  }

  .detail-modal-content {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 1.125rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.9375rem;
  }

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

/* ========================================
   UTILITY CLASSES
   ======================================== */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}