/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  
  .admin-sidebar.open {
    transform: translateX(0);
  }
  
  .admin-main {
    margin-left: 0;
  }

  .header-content {
    gap: var(--space-md);
  }

  .header-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    flex-shrink: 0;
  }

  .logo {
    min-width: 0;
  }

  .logo-icon {
    width: 64px;
    height: 64px;
    border-radius: 20px;
    flex-shrink: 0;
  }

  .logo-text {
    font-size: 1.15rem;
    line-height: 1.25;
  }

  .logo-tagline {
    font-size: 0.72rem;
    margin-top: 0;
  }

  .profile-route-shell {
    padding-top: var(--space-md);
  }

  .profile-page-topbar {
    gap: var(--space-sm);
  }

  .profile-header {
    padding: var(--space-lg) 0 var(--space-2xl);
    padding-top: calc(var(--space-lg) + 12px);
  }

  .profile-avatar {
    width: 96px;
    height: 96px;
    font-size: 2.2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  }

  .profile-name {
    font-size: 1.35rem;
    line-height: 1.35;
  }

  .profile-bio {
    padding: 0 var(--space-sm);
  }

  .profile-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-md);
  }

  .profile-stat {
    background: rgba(255,255,255,0.13);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 18px;
    padding: 12px 10px;
  }

  .profile-actions {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
  }

  .profile-actions .btn,
  .profile-actions a.btn {
    flex: 1 1 140px;
    justify-content: center;
  }

  .profile-tabs {
    overflow-x: auto;
    gap: 6px;
    padding: 6px;
    flex-wrap: nowrap;
  }

  .profile-tab {
    flex: 0 0 auto;
    min-width: 132px;
  }
}

@media (max-width: 768px) {
  .admin-panel-shell {
    position: relative;
  }

  .admin-sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    width: 100%;
    height: auto;
    padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
    transform: none !important;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    background: linear-gradient(180deg, rgba(0, 38, 35, 0.98), rgba(5, 66, 57, 0.98));
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.18);
    overflow: hidden;
    z-index: 120;
  }

  .admin-logo,
  .admin-session-card {
    display: none;
  }

  .admin-nav {
    flex-direction: row;
    align-items: stretch;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

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

  .admin-nav > div[style*="flex: 1"] {
    display: none !important;
  }

  .admin-nav-item {
    flex: 0 0 auto;
    min-width: max-content;
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 0.84rem;
    line-height: 1.1;
    background: rgba(255, 255, 255, 0.09);
    color: rgba(255, 255, 255, 0.88);
    white-space: nowrap;
    gap: 8px;
  }

  .admin-nav-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }

  .admin-nav-item:hover,
  .admin-nav-item.active {
    background: rgba(255, 255, 255, 0.2);
  }

  .admin-main {
    margin-left: 0;
    padding: var(--space-md);
    padding-bottom: calc(92px + env(safe-area-inset-bottom));
  }

  .admin-section {
    min-width: 0;
  }

  .admin-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
  }

  .admin-title {
    font-size: 1.25rem;
    line-height: 1.35;
  }

  .admin-cards {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
  }

  .admin-card {
    padding: var(--space-md);
    border-radius: 14px;
  }

  .admin-card-number {
    font-size: 1.55rem;
  }

  .admin-table-container {
    border-radius: 14px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .admin-table-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
    padding: var(--space-md);
  }

  .admin-table-title {
    font-size: 1rem;
  }

  .admin-table-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .admin-table-actions .btn,
  .admin-table-actions .admin-btn {
    width: 100%;
    justify-content: center;
  }

  .admin-table {
    min-width: 760px;
    font-size: 0.83rem;
  }

  .admin-table th,
  .admin-table td {
    padding: 10px 12px;
    white-space: nowrap;
  }

  .admin-table-user {
    align-items: center;
    gap: 10px;
  }

  .admin-table-avatar {
    width: 34px;
    height: 34px;
    font-size: 0.82rem;
  }

  .admin-search {
    width: 100%;
  }

  .admin-search-input {
    width: 100%;
    min-height: 42px;
    font-size: 0.95rem;
  }

  .admin-btn,
  .btn {
    min-height: 40px;
  }

  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px;
  }

  .storage-card-body {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: var(--space-md);
  }

  .server-health-grid {
    grid-template-columns: 1fr;
  }

  .server-health-body {
    grid-template-columns: 1fr;
  }

  .storage-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .admin-auth-shell {
    padding: var(--space-md);
    padding-bottom: var(--space-md);
  }

  .modal-overlay {
    align-items: flex-end;
    padding: var(--space-sm);
    padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom, 0));
  }

  .modal {
    max-width: none;
    max-height: calc(100dvh - env(safe-area-inset-bottom, 0) - (var(--space-sm) * 2));
    border-radius: 24px 24px 18px 18px;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .modal-body {
    padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0) + 36px);
  }

  .modal-footer {
    flex-direction: column-reverse;
    gap: var(--space-sm);
  }

  .android-app-modal-footer {
    flex-direction: column;
  }

  .modal-footer .btn {
    width: 100%;
  }

  .android-app-modal {
    max-width: none;
  }

  .android-app-modal-header {
    gap: var(--space-sm);
  }

  .android-app-modal-badge {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }

  .bottom-nav {
    display: none !important;
  }
  
  .hero {
    padding: var(--space-xl) 0;
  }
  
  .hero-title {
    font-size: 1.6rem;
  }

  .home-powered-by {
    margin: var(--space-xl) auto calc(var(--space-xl) + 88px);
    padding: 0 var(--space-md);
  }
  
  .hero-stats {
    gap: var(--space-lg);
  }
  
  .hero-stat-number {
    font-size: 1.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }

  .search-page-filters {
    grid-template-columns: 1fr;
  }

  .search-submit-btn {
    width: 100%;
  }
  
  .categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--space-sm);
  }
  
  .category-icon {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }
  
  .category-name {
    font-size: 0.75rem;
  }

  .category-page-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .category-sortbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-toolbar,
  .search-page-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-discovery-grid {
    grid-template-columns: 1fr;
  }

  .category-filter-group {
    width: 100%;
    justify-content: space-between;
  }

  .category-page-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .profile-page-topbar {
    gap: var(--space-sm);
  }

  .profile-route-shell {
    padding-top: var(--space-sm);
  }

  .requests-route-shell {
    padding: var(--space-sm) 0;
  }

  .req-card {
    border-radius: 14px;
    padding: var(--space-md);
  }

  .req-card-icon {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    border-radius: 12px;
  }

  .req-card-actions .btn {
    flex: 1 1 auto;
  }

  .my-product-actions-inline {
    justify-content: stretch;
    gap: var(--space-sm);
  }

  .my-product-actions-inline .btn {
    flex: 1;
  }

  .profile-header {
    padding: var(--space-lg) 0 var(--space-2xl);
    padding-top: calc(var(--space-md) + 8px);
  }

  .profile-cover {
    text-align: center;
  }

  .profile-avatar {
    width: 88px;
    height: 88px;
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    box-shadow: 0 4px 18px rgba(0,0,0,0.2);
  }

  .profile-name {
    font-size: 1.25rem;
    line-height: 1.4;
  }

  .profile-username {
    font-size: 0.92rem;
    word-break: break-word;
  }

  .profile-bio {
    font-size: 0.92rem;
    line-height: 1.75;
    margin-bottom: var(--space-sm);
    padding: 0 var(--space-sm);
  }

  .profile-location {
    display: inline-flex;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 100%;
    line-height: 1.5;
    margin-bottom: var(--space-md);
  }

  .profile-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-sm);
  }

  .profile-stat {
    background: rgba(255,255,255,0.11);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 16px;
    padding: 10px 8px;
  }

  .profile-actions {
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
  }

  .profile-actions .btn,
  .profile-actions a.btn {
    flex: 1 1 120px;
    justify-content: center;
  }

  .profile-actions .btn-primary,
  .profile-actions .btn-whatsapp {
    flex: 1 1 100%;
  }

  .profile-content {
    padding: var(--space-md) 0 var(--space-xl);
  }

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

  .profile-avatar-picker {
    flex-direction: column;
    align-items: stretch;
  }

  .profile-relation-card {
    flex-direction: column;
    align-items: stretch;
  }

  .profile-relation-user {
    align-items: flex-start;
  }

  .profile-relation-actions .btn {
    width: 100%;
  }

  .profile-tabs {
    overflow-x: auto;
    gap: 6px;
    padding: 6px;
    flex-wrap: nowrap;
  }

  .profile-tab {
    flex: 0 0 auto;
    min-width: 120px;
  }

  .category-page-hero-icon {
    margin: 0 auto;
  }

  .category-page-meta {
    width: 100%;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .product-info {
    padding: var(--space-sm);
  }
  
  .product-title {
    font-size: 0.9rem;
  }
  
  .product-price {
    font-size: 1rem;
  }
  
  .product-location, .product-footer {
    display: none;
  }
  
  .post-actions {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .post-actions-left {
    width: 100%;
    justify-content: space-around;
  }
  
  .feed-filters {
    width: 100%;
    overflow-x: auto;
    padding-bottom: var(--space-sm);
  }
  
  .auth-card {
    padding: var(--space-lg);
  }
  
  .admin-cards {
    grid-template-columns: 1fr 1fr;
  }
  
  .admin-table {
    font-size: 0.85rem;
  }
  
  .admin-table th, .admin-table td {
    padding: var(--space-sm) var(--space-md);
  }
  
  .image-upload {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .logo-text {
    font-size: 1.1rem;
  }
  
  .logo-tagline {
    display: none;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-cards {
    grid-template-columns: 1fr;
  }

  .profile-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-location {
    width: 100%;
    border-radius: 18px;
    padding: 10px 12px;
  }

  .profile-edit-card,
  .profile-relation-card {
    border-radius: 18px;
    padding: 14px;
  }

  .storage-card-head {
    flex-direction: column;
    align-items: stretch;
  }

  .storage-card-body {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: var(--space-lg);
  }

  .storage-gauge {
    width: 150px;
    height: 150px;
  }

  .storage-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-search-input {
    width: 100%;
  }
  
  .modal {
    max-height: 95vh;
  }
  
  .modal-body {
    padding: var(--space-md);
  }
}

.home-powered-by {
  margin: var(--space-2xl) auto calc(var(--space-2xl) + 72px);
  width: fit-content;
  max-width: 100%;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: var(--font-en);
  letter-spacing: 0.02em;
  opacity: 0.88;
}