/**
 * Vehicle Detail - 2026 Mechanical & Precision Design System
 * Modern glass-card layouts, monochromatic palette, precision grid
 */

/* ============================================
   CSS Variables - Color Palette
   ============================================ */
:root {
  /* Backgrounds */
  --bg-deep-black: #0a0a0a;
  --bg-charcoal: #1a1a1a;
  --bg-off-white: #fafafa;
  --bg-light-gray: #f5f5f5;
  
  /* Text */
  --text-primary: #000000;
  --text-primary-alt: #1a1a1a;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  
  /* Semantic Colors */
  --semantic-primary: #3b82f6;
  --semantic-success: #10b981;
  --semantic-warning: #f59e0b;
  --semantic-danger: #ef4444;
  
  /* Spacing (4px base unit) */
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 20px;
  --spacing-6: 24px;
  --spacing-8: 32px;
  --spacing-10: 40px;
  --spacing-12: 48px;
  --spacing-16: 64px;
}

/* ============================================
   Glass-Card Effect
   ============================================ */
.glass-card {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

.glass-card-dark {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(26, 26, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
}

/* ============================================
   Depth & Elevation
   ============================================ */
.elevation-1 {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
}

.elevation-2 {
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
}

.elevation-3 {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
}

.elevation-4 {
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
}

/* Border gradients for depth */
.border-gradient {
  border: 1px solid transparent;
  background-image: linear-gradient(white, white),
                    linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(0, 0, 0, 0.1));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

/* ============================================
   Skeleton Screen Animations
   ============================================ */
@keyframes skeleton-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.skeleton {
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 16px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-text-short {
  width: 60%;
}

.skeleton-text-medium {
  width: 80%;
}

.skeleton-text-long {
  width: 100%;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-table-row {
  height: 48px;
  border-radius: 4px;
  margin-bottom: 4px;
}

/* ============================================
   Condensed Mode
   ============================================ */
.table-condensed td,
.table-condensed th {
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.4;
}

.table-condensed .btn-xs {
  padding: 2px 6px;
  font-size: 11px;
}

/* ============================================
   Focus States (Accessibility)
   ============================================ */
.focus-ring {
  outline: 2px solid var(--semantic-primary);
  outline-offset: 2px;
}

.focus-ring-danger {
  outline: 2px solid var(--semantic-danger);
  outline-offset: 2px;
}

.focus-ring-success {
  outline: 2px solid var(--semantic-success);
  outline-offset: 2px;
}

/* Remove default focus and add custom */
*:focus {
  outline: none;
}

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

/* ============================================
   Enhanced Breadcrumb
   ============================================ */
.breadcrumb-modern {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb-modern-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.breadcrumb-modern-item:last-child {
  color: var(--text-primary);
  font-weight: 600;
}

.breadcrumb-modern-separator {
  color: var(--text-tertiary);
  font-size: 12px;
}

.breadcrumb-modern-link {
  color: var(--semantic-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-modern-link:hover {
  color: var(--semantic-primary);
  text-decoration: underline;
}

.breadcrumb-modern-link:focus-visible {
  outline: 2px solid var(--semantic-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ============================================
   Modern Tab Navigation
   ============================================ */
.tab-modern {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #e5e7eb;
  margin-bottom: 0;
}

.tab-modern-item {
  padding: 12px 24px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  margin-bottom: -2px;
}

.tab-modern-item:hover {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.05);
}

.tab-modern-item.active {
  color: var(--semantic-primary);
  border-bottom-color: var(--semantic-primary);
  font-weight: 600;
}

.tab-modern-item:focus-visible {
  outline: 2px solid var(--semantic-primary);
  outline-offset: -2px;
}

/* ============================================
   Status Badges
   ============================================ */
.badge-modern {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--semantic-success);
}

.badge-default {
  background: rgba(107, 114, 128, 0.1);
  color: var(--text-secondary);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--semantic-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--semantic-danger);
}

/* ============================================
   Split-View Layout
   ============================================ */
.split-view-container {
  display: flex;
  gap: 24px;
  min-height: calc(100vh - 200px);
}

.split-view-left {
  flex: 0 0 40%;
  max-width: 40%;
}

.split-view-right {
  flex: 1;
  min-width: 0;
}

@media (max-width: 1023px) {
  .split-view-container {
    flex-direction: column;
  }
  
  .split-view-left {
    flex: 1;
    max-width: 100%;
  }
  
  .split-view-right {
    flex: 1;
  }
}

/* ============================================
   Data Table Enhancements
   ============================================ */
.table-modern {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table-modern thead th {
  background: var(--bg-light-gray);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 10;
}

.table-modern tbody tr {
  transition: background-color 0.15s ease;
  border-bottom: 1px solid #f3f4f6;
}

.table-modern tbody tr:hover {
  background: rgba(59, 130, 246, 0.03);
}

.table-modern tbody td {
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  vertical-align: middle;
}

.table-modern tbody tr.selected {
  background: rgba(59, 130, 246, 0.1);
}

/* Traffic fine row classes */
.traffic-fine-overdue {
  background: rgba(239, 68, 68, 0.05) !important;
  border-left: 3px solid var(--semantic-danger);
}

.traffic-fine-unpaid {
  background: rgba(245, 158, 11, 0.05) !important;
  border-left: 3px solid var(--semantic-warning);
}

/* ============================================
   Button Modern Styles
   ============================================ */
.btn-modern {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-modern-primary {
  background: var(--semantic-primary);
  color: white;
}

.btn-modern-primary:hover {
  background: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-modern-danger {
  background: var(--semantic-danger);
  color: white;
}

.btn-modern-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-modern-warning {
  background: var(--semantic-warning);
  color: white;
}

.btn-modern-warning:hover {
  background: #d97706;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-modern-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-modern-xs {
  padding: 4px 8px;
  font-size: 12px;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================
   Loading State
   ============================================ */
.loading-state {
  text-align: center;
  padding: 24px;
  color: var(--text-secondary);
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #e5e7eb;
  border-top-color: var(--semantic-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Fade In Animation
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

/* ============================================
   Vehicle Detail Specific Overrides
   ============================================ */
.vehicle-detail-page {
  background: var(--bg-off-white);
  min-height: 100vh;
}

.vehicle-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
}

.vehicle-summary-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.vehicle-summary-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.vehicle-summary-value {
  font-size: 16px;
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 640px) {
  .vehicle-summary-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .tab-modern-item {
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .table-modern {
    font-size: 13px;
  }
  
  .table-modern thead th,
  .table-modern tbody td {
    padding: 8px 12px;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .glass-card {
    background: white;
    box-shadow: none;
    border: 1px solid #e5e7eb;
  }
  
  .btn-modern,
  .tab-modern-item {
    display: none;
  }
}