/* ========================= MODERN DESIGN SYSTEM ========================= */
/* Global Design Tokens and Variables - Black & White Aesthetic */
:root {
  --primary-color: #000000;
  --primary-dark: #1a1a1a;
  --secondary-color: #333333;
  --accent-color: #666666;
  --accent-dark: #4a4a4a;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --text-primary: #000000;
  --text-secondary: #333333;
  --text-muted: #666666;
  --text-light: #999999;
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-dark: #000000;
  --border-color: #dee2e6;
  --border-dark: #000000;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --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 20px 25px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
}

/* ========================= GLOBAL RESETS ========================= */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  margin: 0;
  padding: 0;
}

/* ========================= MODERN HEADER ========================= */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 2px solid var(--border-dark);
  backdrop-filter: saturate(180%) blur(8px);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.2rem;
}

.brand:hover {
  color: var(--text-secondary);
  text-decoration: none;
}

.brand .logo {
  display: inline-block;
  width: 40px;
  height: 40px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border-radius: var(--radius-md);
}

.nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s ease;
  padding: 8px 12px;
  border-radius: var(--radius-md);
}

.nav a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.btn-primary {
  background: var(--bg-dark);
  color: var(--bg-primary);
  border: 2px solid var(--border-dark);
  cursor: pointer;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--bg-primary);
  text-decoration: none;
  background: var(--text-primary);
}

.hamburger {
  display: none;
  background: var(--bg-primary);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hamburger:hover {
  background: var(--bg-tertiary);
}

/* ========================= DROPDOWN MENUS ========================= */
.dropdown {
  position: relative;
}

.dropbtn {
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.dropbtn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-primary);
  min-width: 200px;
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-lg);
  padding: 12px;
  z-index: 1000;
  border: 2px solid var(--border-dark);
}

.dropdown-content a {
  display: block;
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s ease;
}

.dropdown-content a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

@media (min-width: 769px) {
  .dropdown:hover .dropdown-content {
    display: block;
  }
}

/* ========================= USER SECTION ========================= */
.user-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.auth-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.auth-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  text-decoration: none;
}

.user-dropdown {
  position: relative;
}

.user-btn {
  background: var(--bg-primary);
  border: 2px solid var(--border-dark);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.user-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-primary);
}

.user-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-primary);
  min-width: 180px;
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-lg);
  padding: 8px;
  z-index: 1000;
  border: 2px solid var(--border-dark);
}

.user-dropdown:hover .user-menu {
  display: block;
}

.user-menu a {
  display: block;
  padding: 10px 16px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.user-menu a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.cart-icon {
  position: relative;
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.cart-icon:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.cart-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--danger-color);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* ========================= SEARCH CONTAINER ========================= */
.search-container {
  background: var(--bg-primary);
  border-bottom: 2px solid var(--border-dark);
  padding: 16px 0;
}

.search-form {
  max-width: 600px;
  margin: 0 auto;
}

.search-wrapper {
  display: flex;
  background: var(--bg-secondary);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-full);
  overflow: hidden;
  transition: all 0.3s ease;
}

.search-wrapper:focus-within {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.1);
}

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 12px 20px;
  font-size: 16px;
  color: var(--text-primary);
  outline: none;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-btn {
  background: var(--bg-dark);
  border: none;
  color: var(--bg-primary);
  padding: 12px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* ========================= MODERN FOOTER ========================= */
.footer {
  background: var(--bg-dark);
  color: var(--bg-primary);
  margin-top: 60px;
  border-top: 2px solid var(--border-dark);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}

.footer-section h4 {
  color: var(--bg-primary);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--bg-primary);
  border-radius: var(--radius-full);
}

.footer-description {
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--text-secondary);
  color: var(--bg-primary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--bg-primary);
  color: var(--bg-dark);
  transform: translateY(-2px);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-light);
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--bg-primary);
  transform: translateX(4px);
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-info i {
  color: var(--bg-primary);
  width: 16px;
}

.payment-methods h5 {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 12px;
}

.payment-icons {
  display: flex;
  gap: 8px;
}

.payment-icons i {
  font-size: 24px;
  color: var(--text-light);
  transition: all 0.2s ease;
}

.payment-icons i:hover {
  color: var(--bg-primary);
  transform: scale(1.1);
}

.foot-meta {
  background: var(--text-primary);
  padding: 24px 0;
  border-top: 2px solid var(--border-dark);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.copyright p {
  color: var(--text-light);
  margin: 0;
}

.footer-links-bottom {
  display: flex;
  gap: 20px;
}

.footer-links-bottom a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
}

.footer-links-bottom a:hover {
  color: var(--bg-primary);
}

/* ========================= RESPONSIVE DESIGN ========================= */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
  }
  
  .hamburger {
    display: block;
  }
  
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 20px;
    border-top: 2px solid var(--border-dark);
    box-shadow: var(--shadow-lg);
  }
  
  .header.open .nav {
    display: flex;
  }
  
  .user-section {
    flex-direction: column;
    gap: 12px;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 1rem;
  }
  
  .brand .logo {
    width: 32px;
    height: 32px;
  }
  
  .search-wrapper {
    flex-direction: column;
    border-radius: var(--radius-lg);
  }
  
  .search-input,
  .search-btn {
    border-radius: 0;
  }
  
  .search-input {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  
  .search-btn {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
}

/* ========================= ENHANCED PAGE ELEMENTS ========================= */
/* Hero Sections */
.page-hero {
  background: var(--bg-dark);
  color: var(--bg-primary);
  padding: 60px 0;
  margin-bottom: 40px;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Enhanced Cards */
.enhanced-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-dark);
  overflow: hidden;
  transition: all 0.3s ease;
}

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

.card-header-gradient {
  background: var(--bg-dark);
  color: var(--bg-primary);
  border: none;
  padding: 20px;
}

/* Enhanced Buttons */
.btn-modern {
  background: var(--bg-dark);
  color: var(--bg-primary);
  border: 2px solid var(--border-dark);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
}

.btn-modern:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--bg-primary);
  text-decoration: none;
  background: var(--text-primary);
}

.btn-modern.secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 2px solid var(--border-dark);
}

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

/* Enhanced Forms */
.form-modern {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-dark);
}

.form-control-modern {
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 16px;
  transition: all 0.3s ease;
  background: var(--bg-primary);
}

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

/* Enhanced Tables */
.table-modern {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-dark);
}

.table-modern th {
  background: var(--bg-dark);
  border: none;
  padding: 16px 20px;
  font-weight: 700;
  color: var(--bg-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table-modern td {
  padding: 16px 20px;
  border: none;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table-modern tbody tr:hover {
  background: var(--bg-secondary);
}

/* Enhanced Navigation */
.nav-modern {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-dark);
}

.nav-modern .nav-link {
  color: var(--text-muted);
  text-decoration: none;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  display: block;
  margin-bottom: 8px;
}

.nav-modern .nav-link:hover,
.nav-modern .nav-link.active {
  background: var(--bg-dark);
  color: var(--bg-primary);
}

/* Enhanced Pagination */
.pagination-modern {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-link-modern {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s ease;
  font-weight: 500;
}

.page-link-modern:hover {
  background: var(--bg-dark);
  color: var(--bg-primary);
  border-color: var(--text-primary);
  text-decoration: none;
}

.page-link-modern.active {
  background: var(--bg-dark);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

/* Enhanced Alerts */
.alert-modern {
  border: none;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.alert-modern.success {
  background: #d4edda;
  color: #155724;
  border-left: 4px solid var(--success-color);
}

.alert-modern.warning {
  background: #fff3cd;
  color: #856404;
  border-left: 4px solid var(--warning-color);
}

.alert-modern.danger {
  background: #f8d7da;
  color: #721c24;
  border-left: 4px solid var(--danger-color);
}

.alert-modern.info {
  background: #d1ecf1;
  color: #0c5460;
  border-left: 4px solid var(--text-primary);
}

/* Enhanced Loading States */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--text-primary);
  animation: spin 1s ease-in-out infinite;
}

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

/* Enhanced Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  animation: slideInRight 0.6s ease forwards;
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Enhanced Hover Effects */
.hover-lift {
  transition: all 0.3s ease;
}

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

.hover-scale {
  transition: all 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* Enhanced Focus States */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.3);
}

/* Enhanced Transitions */
.transition-all {
  transition: all 0.3s ease;
}

.transition-fast {
  transition: all 0.15s ease;
}

.transition-slow {
  transition: all 0.5s ease;
}

/* ========================= UTILITY CLASSES ========================= */
.text-gradient {
  background: var(--text-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient-primary {
  background: var(--bg-dark);
}

.bg-gradient-accent {
  background: var(--text-secondary);
}

.shadow-custom {
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.border-radius-custom {
  border-radius: var(--radius-lg);
}

/* ========================= PRINT STYLES ========================= */
@media print {
  .header,
  .footer,
  .nav,
  .search-container {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .enhanced-card,
  .table-modern {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}