/* Responsive Design Breakpoints */

/* Mobile First - Base styles in main CSS */

/* Tablet (640px - 1023px) */
@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .navbar {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .nav-desktop {
    display: flex;
  }

  .nav-mobile {
    display: none;
  }

  .sidebar {
    width: 200px;
  }

  .main-content {
    margin-left: 200px;
  }

  .modal-content {
    width: 90%;
    max-width: 500px;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .container {
    max-width: 1200px;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .navbar {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-desktop {
    display: flex;
    gap: var(--spacing-lg);
  }

  .nav-mobile {
    display: none;
  }

  .sidebar {
    width: 250px;
    position: relative;
  }

  .main-content {
    margin-left: 250px;
  }

  .modal-content {
    width: 90%;
    max-width: 700px;
  }

  .charts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Extra Large (1280px+) */
@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }

  .grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .charts-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .modal-content {
    max-width: 800px;
  }
}

/* Landscape orientation adjustments */
@media (max-height: 500px) and (orientation: landscape) {
  .navbar {
    padding: var(--spacing-sm);
  }

  .admin-sidebar {
    height: auto;
    overflow-x: auto;
    flex-wrap: wrap;
  }

  .modal-content {
    max-height: 95vh;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
  }

  .navbar,
  .admin-sidebar,
  .admin-footer,
  .no-print {
    display: none;
  }

  .admin-table,
  .modal-content {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .admin-table th {
    background-color: #f0f0f0;
    color: black;
  }

  .btn {
    display: none;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2) {
  * {
    border-width: 0.5px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Dark mode (if supported) */
@media (prefers-color-scheme: dark) {
  /* Can add dark theme styles here */
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  .btn {
    min-height: 44px;
    min-width: 44px;
  }

  a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  /* Remove hover states */
  .btn:hover,
  a:hover {
    background-color: initial;
  }
}

/* Specific mobile optimizations */
@media (max-width: 639px) {
  html {
    font-size: 14px;
  }

  body {
    margin: 0;
    padding: 0;
  }

  .container {
    padding: var(--spacing-sm);
    margin: 0;
  }

  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: var(--spacing-sm);
  }

  .main-content,
  body > main {
    margin-top: 60px;
  }

  .grid,
  .product-grid,
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .modal-content {
    width: 95%;
    margin: auto;
  }

  .table {
    font-size: var(--font-size-sm);
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }

  .sidebar {
    display: none;
  }

  .admin-sidebar {
    position: fixed;
    left: -250px;
    transition: left 0.3s;
    z-index: 50;
  }

  .admin-sidebar.active {
    left: 0;
  }

  .admin-main {
    margin-left: 0;
  }

  .hero-section {
    min-height: 200px;
  }

  .hero-section h1 {
    font-size: var(--font-size-xl);
  }

  .footer {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .pagination {
    flex-wrap: wrap;
  }
}

/* Tablet specific */
@media (min-width: 640px) and (max-width: 1023px) {
  html {
    font-size: 15px;
  }

  .container {
    padding: var(--spacing-md);
  }

  .grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .sidebar {
    width: 200px;
  }

  .admin-main {
    margin-left: 200px;
  }

  .hero-section h1 {
    font-size: var(--font-size-xl);
  }

  .modal-content {
    width: 85%;
  }

  .navbar {
    padding: var(--spacing-md);
  }
}

/* Desktop specific */
@media (min-width: 1024px) {
  .container {
    padding: var(--spacing-lg);
    margin: 0 auto;
  }

  .sidebar {
    width: 250px;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
  }

  .admin-main {
    margin-left: 250px;
  }

  .hero-section h1 {
    font-size: var(--font-size-2xl);
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .charts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modal-content {
    width: 600px;
  }

  .two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }

  .three-column {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
}

/* Accessibility: Focus visible */
@media (prefers-reduced-motion: no-preference) {
  *:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }
}

/* Sticky headers/footer */
@supports (position: sticky) {
  .sticky-header {
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .sticky-footer {
    position: sticky;
    bottom: 0;
    z-index: 10;
  }
}