/* main.css - Main stylesheet */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --background: #f9fafb;
  --text: #111827;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --white: #ffffff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
}

/* Navigation */
.navbar {
  background-color: var(--white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link.active {
  color: var(--primary);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 80px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.card-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 15px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background-color: var(--white);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--primary);
}

.stat-card.success {
  border-left-color: var(--success);
}

.stat-card.warning {
  border-left-color: var(--warning);
}

.stat-card.danger {
  border-left-color: var(--danger);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border-radius: 6px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
  font-size: 1rem;
}

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

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

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

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

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

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

.btn-secondary {
  background-color: #6b7280;
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #4b5563;
}

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

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

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

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

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
}

.table thead {
  background-color: var(--background);
}

.table th {
  padding: 15px;
  text-align: left;
  font-weight: 600;
  color: var(--text);
  border-bottom: 2px solid var(--border);
}

.table td {
  padding: 15px;
  border-bottom: 1px solid var(--border);
}

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

/* Badges */
.badge {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-block;
}

.badge-success {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-danger {
  background-color: #fee2e2;
  color: #991b1b;
}

.badge-info {
  background-color: #dbeafe;
  color: #1e40af;
}

/* Vehicle Cards */
.vehicle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.vehicle-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.vehicle-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.vehicle-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--border);
}

.vehicle-info {
  padding: 20px;
}

.vehicle-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.vehicle-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 15px;
}

.vehicle-details {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 0.875rem;
  color: var(--text-light);
}

/* QR Code Display */
.qr-container {
  text-align: center;
  padding: 30px;
  background-color: var(--background);
  border-radius: 8px;
  margin: 30px 0;
}

.qr-code-image {
  max-width: 300px;
  border: 8px solid var(--white);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Alerts */
.alert {
  padding: 15px 20px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
  border-left: 4px solid var(--success);
}

.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border-left: 4px solid var(--danger);
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
  border-left: 4px solid var(--warning);
}

/* Footer */
.footer {
  background-color: var(--text);
  color: var(--white);
  padding: 40px 20px;
  text-align: center;
  margin-top: 60px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    flex-direction: column;
    gap: 15px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .vehicle-grid {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }