<link rel="stylesheet" href="styles.css">
/* ========================================
   Motor Mart - Clean & Elegant Styles
   ======================================== */

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ========================================
   Root Variables - Easy Customization
   ======================================== */
:root {
  /* Colors */
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  
  /* Neutrals */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Spacing */
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Base Styles
   ======================================== */
* {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700) !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

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

.nav-link.active {
  color: var(--primary) !important;
  background-color: rgba(37, 99, 235, 0.1);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-link.text-danger {
  color: var(--danger) !important;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  font-weight: 600;
  border-radius: var(--radius);
  padding: 0.625rem 1.25rem;
  transition: var(--transition);
  border: none;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--primary-dark);
}

.btn-outline-primary {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

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

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1.125rem;
}

/* ========================================
   Cards
   ======================================== */
.card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  background: white;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-vehicle {
  height: 100%;
}

.card-vehicle .card-img-top {
  height: 220px;
  object-fit: cover;
  transition: var(--transition);
}

.card-vehicle:hover .card-img-top {
  transform: scale(1.05);
}

.card-vehicle .card-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
  min-height: auto;
}

.card-vehicle .card-text {
  color: var(--gray-600);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.card-vehicle .text-primary {
  color: var(--primary) !important;
  font-weight: 700;
}

.card-body {
  padding: 1.5rem;
}

.card-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: none;
  padding: 1rem 1.5rem;
  font-weight: 600;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
}

.hero .ratio {
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero .ratio img {
  transition: var(--transition);
}

.hero .ratio:hover img {
  transform: scale(1.05);
}

/* ========================================
   Forms
   ======================================== */
.form-control,
.form-select {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  font-size: 1rem;
}

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

.form-control-lg {
  padding: 1rem 1.25rem;
  font-size: 1.125rem;
}

.form-label {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

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

/* ========================================
   Badges
   ======================================== */
.badge {
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.bg-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%) !important;
}

.badge-filter {
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid var(--gray-300);
  background: white;
  color: var(--gray-700);
}

.badge-filter:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.badge-filter.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ========================================
   Alerts
   ======================================== */
.alert {
  border-radius: var(--radius);
  border: none;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

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

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

.alert-info {
  background-color: #dbeafe;
  color: #1e40af;
  border-left: 4px solid var(--primary);
}

/* ========================================
   Modal
   ======================================== */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 1.5rem;
}

.modal-body {
  padding: 2rem;
}

.modal-title {
  font-weight: 700;
  color: var(--gray-900);
}

/* ========================================
   Footer
   ======================================== */
footer {
  background: white;
  margin-top: 5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--gray-200);
}

footer .nav-link {
  color: var(--gray-600) !important;
  padding: 0.25rem 0.75rem !important;
}

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

/* ========================================
   Tables (Admin Panel)
   ======================================== */
.table {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table thead {
  background: var(--gray-100);
  font-weight: 600;
  color: var(--gray-700);
}

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

.table tbody tr:hover {
  background: var(--gray-50);
}

.table td, .table th {
  padding: 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--gray-200);
}

/* ========================================
   Spinner
   ======================================== */
.spinner-border {
  width: 3rem;
  height: 3rem;
  border-width: 0.3rem;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.2rem;
}

/* ========================================
   Utility Classes
   ======================================== */
.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow {
  box-shadow: var(--shadow) !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

.rounded-4 {
  border-radius: var(--radius-lg) !important;
}

.text-muted {
  color: var(--gray-600) !important;
}

.border-bottom {
  border-bottom: 1px solid var(--gray-200) !important;
}

.border-top {
  border-top: 1px solid var(--gray-200) !important;
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .lead {
    font-size: 1.125rem;
  }
  
  .card-vehicle .card-img-top {
    height: 180px;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeIn 0.5s ease-out;
}

/* ========================================
   Smooth Scrolling
   ======================================== */
html {
  scroll-behavior: smooth;
}

/* ========================================
   Focus Styles (Accessibility)
   ======================================== */
*:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.5);
  outline-offset: 2px;
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
  .navbar, footer, .btn {
    display: none;
  }
}