/* Mobile First Responsive Design */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-badge {
    display: none;
  }

  .main-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
  }

  .sidebar-title {
    cursor: pointer;
    user-select: none;
  }

  .cat-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px;
  }

  .cat-item {
    border-left: none;
    border-radius: var(--radius-sm);
    background: var(--bg-body);
    padding: 7px 12px;
    font-size: 12px;
  }

  .cat-item.active {
    background: var(--primary);
    color: #fff;
  }

  .cat-item .count {
    display: none;
  }

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

  .filter-bar {
    gap: 6px;
  }

  .filter-tag {
    padding: 4px 8px;
    font-size: 11px;
  }

  .sort-select {
    margin-left: 0;
    width: 100%;
    margin-top: 8px;
  }

  .total-count {
    width: 100%;
    text-align: right;
    margin-top: 4px;
  }

  /* Admin tablet */
  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
  }

  .admin-sidebar .sidebar-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .admin-sidebar .sidebar-item {
    padding: 7px 12px;
    font-size: 13px;
  }

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

/* Mobile (< 768px) */
@media (max-width: 767px) {
  :root {
    --header-height: 52px;
  }

  .top-bar-inner {
    flex-direction: column;
    gap: 6px;
    padding: 6px 12px;
    font-size: 11px;
  }

  .top-bar-right {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
  }

  .lang-switch {
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .lang-btn {
    padding: 2px 8px;
    font-size: 10px;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 12px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .logo-text {
    font-size: 16px;
  }

  .logo-sub {
    font-size: 9px;
    display: none;
  }

  .search-box {
    order: 3;
    width: 100%;
    max-width: none;
  }

  .header-actions {
    order: 2;
    margin-left: auto;
  }

  .header-btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  .user-info {
    padding: 4px 8px;
  }

  .user-name {
    font-size: 12px;
    max-width: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Nav mobile: hamburger */
  .nav-inner {
    position: relative;
  }

  .nav-all-cat {
    width: auto;
    padding: 8px 12px;
    font-size: 13px;
  }

  .nav-links {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-links a {
    padding: 8px 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  /* Hero */
  .hero-banner {
    padding: 16px 0;
  }

  .hero-text h1 {
    font-size: 18px;
  }

  .hero-text p {
    font-size: 12px;
  }

  .hero-stats {
    gap: 16px;
    margin-top: 12px;
  }

  .hero-stat-num {
    font-size: 18px;
  }

  .hero-stat-label {
    font-size: 11px;
  }

  /* Main */
  .main-layout {
    margin: 8px auto;
    padding: 0 8px;
    gap: 8px;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .product-info {
    padding: 8px;
  }

  .product-name {
    font-size: 12px;
    -webkit-line-clamp: 1;
  }

  .product-desc {
    display: none;
  }

  .price-main {
    font-size: 16px;
  }

  .price-original {
    font-size: 11px;
  }

  .price-unit {
    font-size: 11px;
  }

  .product-cat-tag {
    font-size: 10px;
    padding: 1px 4px;
  }

  .quote-btn {
    padding: 6px 0;
    font-size: 12px;
    margin-top: 6px;
  }

  .price-hidden {
    font-size: 12px;
    padding: 6px 8px;
  }

  /* Filter */
  .filter-bar {
    padding: 8px 10px;
  }

  .filter-label {
    display: none;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
    padding: 0 12px;
  }

  .footer-logo {
    justify-content: center;
  }

  .footer-col {
    text-align: center;
  }

  /* Modal mobile */
  .modal-overlay {
    padding: 10px;
    align-items: flex-end;
  }

  .modal {
    max-height: 85vh;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    max-width: 100%;
  }

  .modal-lg {
    max-width: 100%;
  }

  .modal-body {
    padding: 16px;
  }

  .modal-header {
    padding: 14px 16px;
  }

  .modal-footer {
    padding: 12px 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-expand {
    right: 12px;
    bottom: 12px;
  }

  .contact-toggle {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .contact-panel {
    width: 170px;
    padding: 12px;
  }

  /* Scroll top */
  .scroll-top {
    right: 12px;
    bottom: 70px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  /* Admin mobile */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .stat-card {
    padding: 12px;
  }

  .stat-card .value {
    font-size: 22px;
  }

  .stat-card .label {
    font-size: 12px;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 16px;
  }

  th, td {
    padding: 8px 10px;
    font-size: 12px;
  }

  .btn-group {
    width: 100%;
  }

  .upload-area {
    padding: 20px;
  }

  .upload-icon {
    font-size: 36px;
  }

  /* Volume input mobile */
  .volume-inputs {
    flex-direction: column;
    gap: 6px !important;
  }
}

/* Small Mobile (< 480px) */
@media (max-width: 479px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .product-info {
    padding: 6px;
    gap: 4px;
  }

  .product-name {
    font-size: 11px;
  }

  .price-main {
    font-size: 14px;
  }

  .quote-btn {
    font-size: 11px;
    padding: 5px 0;
  }

  .cat-list {
    gap: 4px;
  }

  .cat-item {
    padding: 5px 8px;
    font-size: 11px;
  }

  .pagination {
    flex-wrap: wrap;
  }

  .page-btn {
    min-width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .stat-card .value {
    font-size: 18px;
  }
}

/* Landscape phone */
@media (max-width: 767px) and (orientation: landscape) {
  .modal {
    max-height: 95vh;
  }

  .hero-banner {
    padding: 12px 0;
  }

  .hero-stats {
    gap: 12px;
  }
}

/* RTL Support (Arabic) */
[lang="ar"] {
  direction: rtl;
}

[lang="ar"] .product-card {
  text-align: right;
}

[lang="ar"] .filter-tag,
[lang="ar"] .cat-item {
  direction: rtl;
}

[lang="ar"] .sort-select {
  margin-left: 0;
  margin-right: auto;
}

[lang="ar"] .price-hidden {
  direction: rtl;
}

/* Touch improvements */
@media (hover: none) and (pointer: coarse) {
  .filter-tag,
  .page-btn,
  .cat-item,
  .header-btn {
    min-height: 36px;
  }

  .quote-btn {
    min-height: 38px;
  }

  .product-card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
  }

  .product-card:active {
    box-shadow: 0 2px 8px rgba(21,101,192,0.2);
  }
}

/* Safe area (notch phones) */
@supports (padding: env(safe-area-inset-bottom)) {
  .contact-expand {
    bottom: calc(12px + env(safe-area-inset-bottom));
  }

  .scroll-top {
    bottom: calc(70px + env(safe-area-inset-bottom));
  }

  .footer {
    padding-bottom: calc(30px + env(safe-area-inset-bottom));
  }
}