/* ADAS F1RST - Unified Dark Theme */
/* Used across Login, Shop, Tech, and Admin portals */

:root {
  /* Dark color palette */
  --bg-dark: #1a1a2e;
  --bg-darker: #16213e;
  --bg-darkest: #0f0f1a;
  --bg-card: #ffffff;
  --bg-card-dark: #1e1e32;
  --bg-input: #f9fafb;
  --bg-input-focus: #ffffff;
  --bg-secondary: #f3f4f6;
  --bg-hover: #e5e7eb;

  /* Text colors */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --text-white: #ffffff;
  --text-light: #e5e7eb;

  /* Accent colors */
  --accent-primary: #1a1a2e;
  --accent-primary-hover: #2d2d4a;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;

  /* Status colors */
  --status-new: #3b82f6;
  --status-scheduled: #8b5cf6;
  --status-progress: #f59e0b;
  --status-completed: #10b981;
  --status-attention: #ef4444;
  --status-cancelled: #6b7280;

  /* Borders */
  --border-light: #e5e7eb;
  --border-dark: #374151;
  --border-input: #d1d5db;
  --border-focus: #1a1a2e;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.25);
  --shadow-card: 0 25px 80px rgba(0, 0, 0, 0.5);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 50%, #0f3460 100%);
  min-height: 100vh;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--text-primary);
}

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

a:hover {
  text-decoration: underline;
}

/* App Layout */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: -0.5px;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-badge {
  background: var(--accent-primary);
  color: var(--text-white);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.shop-badge {
  background: var(--status-new);
  color: var(--text-white);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.tech-badge {
  background: var(--status-completed);
  color: var(--text-white);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.admin-badge {
  background: var(--status-attention);
  color: var(--text-white);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Main Content */
.app-main {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

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

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

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

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

.btn-success {
  background: var(--status-completed);
  color: var(--text-white);
}

.btn-success:hover {
  background: #059669;
}

.btn-danger {
  background: var(--status-attention);
  color: var(--text-white);
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-input);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  background: var(--bg-input);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 4px rgba(26, 26, 46, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

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

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.status-badge.new {
  background: rgba(59, 130, 246, 0.1);
  color: var(--status-new);
}

.status-badge.scheduled,
.status-badge.rescheduled {
  background: rgba(139, 92, 246, 0.1);
  color: var(--status-scheduled);
}

.status-badge.in-progress {
  background: rgba(245, 158, 11, 0.1);
  color: var(--status-progress);
}

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

.status-badge.cancelled {
  background: rgba(107, 114, 128, 0.1);
  color: var(--status-cancelled);
}

/* Document Chips */
.docs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.doc-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.doc-chip .icon svg {
  width: 16px;
  height: 16px;
}

.doc-chip.available {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  cursor: pointer;
}

.doc-chip.available:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-1px);
  text-decoration: none;
}

.doc-chip.unavailable {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

/* Vehicle/Job Cards */
.vehicle-card,
.job-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.vehicle-card:hover,
.job-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-sm);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.modal-large {
  max-width: 640px;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-section {
  margin-bottom: 24px;
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-section h4 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-success {
  background: var(--status-completed);
  color: white;
}

.toast-error {
  background: var(--status-attention);
  color: white;
}

.toast-info {
  background: var(--accent-primary);
  color: white;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.loading-state .spinner {
  width: 32px;
  height: 32px;
  border-color: var(--border-light);
  border-top-color: var(--accent-primary);
  margin-bottom: 16px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state .icon svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 20px;
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
  text-decoration: none;
}

.back-link:hover {
  color: var(--text-primary);
  text-decoration: none;
}

/* Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

.info-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

.info-value {
  font-size: 14px;
  color: var(--text-primary);
}

.info-value.mono {
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .app-header {
    padding: 12px 16px;
  }

  .app-main {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .header-center {
    display: none;
  }
}