/* ===== Responsive Design ===== */

/* Large Desktop */
@media (max-width: 1400px) {
  :root {
    --container: 1140px;
  }
}

/* Desktop */
@media (max-width: 1200px) {
  :root {
    --container: 960px;
  }
  
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet */
@media (max-width: 992px) {
  :root {
    --container: 720px;
    --section-padding: 60px;
  }
  
  .hamburger {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    z-index: 1000;
  }
  
  body.dark .nav-links {
    background: #0F0F0F;
    border-left: 1px solid #2A2A2A;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 36px;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-image {
    order: -1;
  }
  
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .product-gallery {
    position: static;
  }
  
  .cart-grid {
    grid-template-columns: 1fr;
  }
  
  .cart-summary {
    position: static;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 28px;
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  :root {
    --container: 540px;
    --section-padding: 50px;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .product-image {
    height: 200px;
  }
  
  .product-info {
    padding: 15px;
  }
  
  .product-name {
    font-size: 14px;
  }
  
  .current-price {
    font-size: 16px;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .filters {
    flex-direction: column;
  }
  
  .filter-group input,
  .filter-group select {
    width: 100%;
    min-width: 100%;
  }
  
  .cart-item {
    grid-template-columns: 80px 1fr;
  }
  
  .cart-item-quantity {
    grid-column: span 2;
    justify-content: center;
  }
  
  .cart-item-remove {
    position: absolute;
    top: 10px;
    left: 10px;
  }
  
  .about-buttons {
    flex-direction: column;
  }
  
  .hero-content h1 {
    font-size: 28px;
  }
  
  .error-code {
    font-size: 100px;
  }
}

/* Mobile Small */
@media (max-width: 576px) {
  :root {
    --container: 100%;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .nav-actions {
    gap: 5px;
  }
  
  .btn-icon {
    padding: 6px;
    font-size: 18px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .product-actions {
    flex-direction: column;
  }
  
  .auth-container {
    padding: 30px 20px;
    margin: 0 10px;
  }
  
  .toast {
    min-width: auto;
    width: calc(100% - 40px);
  }
}

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Fix for RTL in mobile menu */
body[dir="rtl"] .nav-links {
  right: auto;
  left: -100%;
}

body[dir="rtl"] .nav-links.active {
  left: 0;
  right: auto;
}

/* Dark Mode Toggle Animation */
.theme-btn .icon {
  transition: transform 0.3s ease;
}

.theme-btn:hover .icon {
  transform: rotate(20deg);
}

/* Smooth scroll for anchor links */
html {
  scroll-behavior: smooth;
}

/* Hide scrollbar but keep functionality */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Selection color */
::selection {
  background: var(--accent);
  color: white;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .nav-actions,
  .hamburger,
  .toast-container,
  .scroll-top {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .product-card,
  .cart-item {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}