/* ==========================================================================
   Elos - Responsive Styles
   Breakpoints: 1024px (tablet), 768px (mobile landscape), 480px (mobile)
   ========================================================================== */

/* ==========================================================================
   1024px - Tablet / Small Desktop
   Sidebar collapses to icons, grids reduce columns.
   ========================================================================== */

@media (max-width: 1024px) {

  /* Sidebar auto-collapses */
  .sidebar {
    width: var(--sidebar-collapsed);
  }

  .sidebar .sidebar-logo span {
    opacity: 0;
    width: 0;
  }

  .sidebar .sidebar-nav-label {
    text-align: center;
    font-size: 0;
  }

  .sidebar .sidebar-nav-label::after {
    content: '';
    display: block;
    width: 16px;
    height: 1px;
    background: var(--border);
    margin: 0 auto;
  }

  .sidebar .sidebar-link {
    justify-content: center;
    padding: 10px;
  }

  .sidebar .sidebar-link-text {
    display: none;
  }

  .sidebar .sidebar-link-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    font-size: 8px;
    padding: 0 4px;
  }

  .sidebar .sidebar-link.active::before {
    display: none;
  }

  .sidebar .sidebar-user {
    justify-content: center;
    padding: var(--space-md);
  }

  .sidebar .sidebar-user-info,
  .sidebar .sidebar-user-action {
    display: none;
  }

  .sidebar-toggle {
    display: none;
  }

  /* Main content adjusts */
  .main-content {
    margin-left: var(--sidebar-collapsed);
  }

  /* Grids reduce */
  .content-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Public header nav collapses */
  .header-public-nav {
    gap: var(--space-md);
  }

  /* Footer adjusts */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ==========================================================================
   768px - Mobile Landscape / Tablet Portrait
   Sidebar hidden, bottom nav shows, single column layouts.
   ========================================================================== */

@media (max-width: 768px) {

  /* Sidebar fully hidden on mobile */
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  /* Restore full sidebar when open on mobile */
  .sidebar.mobile-open .sidebar-logo span {
    opacity: 1;
    width: auto;
  }

  .sidebar.mobile-open .sidebar-nav-label {
    text-align: left;
    font-size: 10px;
  }

  .sidebar.mobile-open .sidebar-nav-label::after {
    display: none;
  }

  .sidebar.mobile-open .sidebar-link {
    justify-content: flex-start;
    padding: 10px 12px;
  }

  .sidebar.mobile-open .sidebar-link-text {
    display: block;
  }

  .sidebar.mobile-open .sidebar-link-badge {
    position: static;
    min-width: 20px;
    height: 20px;
    font-size: 10px;
    padding: 0 6px;
  }

  .sidebar.mobile-open .sidebar-link.active::before {
    display: block;
  }

  .sidebar.mobile-open .sidebar-user {
    justify-content: flex-start;
    padding: var(--space-md) var(--space-lg);
  }

  .sidebar.mobile-open .sidebar-user-info,
  .sidebar.mobile-open .sidebar-user-action {
    display: block;
  }

  /* Sidebar overlay */
  .sidebar-overlay {
    display: none;
  }

  .sidebar-overlay.active {
    display: block;
  }

  /* Main content full width */
  .main-content {
    margin-left: 0;
    padding: var(--space-md);
    padding-bottom: calc(var(--bottom-nav-height) + var(--space-md));
  }

  /* Bottom nav visible */
  .bottom-nav {
    display: block;
  }

  .bottom-nav-items {
    display: flex;
    height: 100%;
  }

  /* Public header adjustments */
  .header-public {
    padding: 0 var(--space-md);
  }

  .header-public-nav {
    display: none;
  }

  .header-menu-toggle {
    display: flex;
  }

  /* Mobile nav menu */
  .header-public-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: var(--space-md);
    gap: 0;
    z-index: calc(var(--z-header) - 1);
  }

  .header-public-nav.mobile-open a {
    padding: 12px var(--space-md);
    border-radius: var(--radius-sm);
  }

  .header-public-nav.mobile-open a:hover {
    background: var(--bg-tertiary);
  }

  .header-public-nav.mobile-open a.active::after {
    display: none;
  }

  /* Page header stacks */
  .page-header {
    flex-direction: column;
    gap: var(--space-md);
  }

  .page-header-actions {
    width: 100%;
  }

  .page-header-actions .btn {
    flex: 1;
  }

  /* Grids go single/dual */
  .content-grid-2,
  .content-grid-3,
  .content-grid-4 {
    grid-template-columns: 1fr;
  }

  .content-grid-auto {
    grid-template-columns: 1fr;
  }

  /* Cards full width */
  .card {
    padding: var(--space-md);
  }

  /* Stats card compact */
  .stats-card {
    padding: var(--space-md);
  }

  .stats-card-value {
    font-size: var(--font-size-2xl);
  }

  .stats-card-icon {
    width: 40px;
    height: 40px;
  }

  /* Table scroll helper */
  .table-container {
    margin-left: calc(var(--space-md) * -1);
    margin-right: calc(var(--space-md) * -1);
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  /* Modal full screen on mobile */
  .modal {
    max-width: 100%;
    max-height: 100vh;
    border-radius: var(--radius) var(--radius) 0 0;
    margin-top: auto;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  /* Toast adjusts */
  .toast-container {
    bottom: calc(var(--bottom-nav-height) + var(--space-md));
    left: var(--space-md);
    right: var(--space-md);
  }

  .toast {
    min-width: auto;
    max-width: 100%;
  }

  /* Footer stacks */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  /* Tabs scroll */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Search bar */
  .search-bar {
    border-radius: var(--radius-sm);
  }

  /* Pagination */
  .pagination {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Public layout */
  .public-container {
    padding: 0 var(--space-md);
  }

  /* Typography */
  h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-xl);
  }

  h3 {
    font-size: var(--font-size-lg);
  }

  /* Button group stacks */
  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }
}

/* ==========================================================================
   480px - Small Mobile
   Tighter spacing, smaller fonts, more compact.
   ========================================================================== */

@media (max-width: 480px) {

  /* Even tighter padding */
  .main-content {
    padding: var(--space-sm);
    padding-bottom: calc(var(--bottom-nav-height) + var(--space-sm));
  }

  /* Typography */
  h1 {
    font-size: var(--font-size-xl);
  }

  h2 {
    font-size: var(--font-size-lg);
  }

  h3 {
    font-size: var(--font-size-base);
  }

  body {
    font-size: var(--font-size-sm);
  }

  /* Cards tighter */
  .card {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
  }

  .card-header {
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-sm);
  }

  .card-footer {
    padding-top: var(--space-sm);
    margin-top: var(--space-sm);
    flex-wrap: wrap;
  }

  /* Stats cards more compact */
  .stats-card {
    padding: var(--space-sm) var(--space-md);
  }

  .stats-card-value {
    font-size: var(--font-size-xl);
  }

  .stats-card-icon {
    width: 36px;
    height: 36px;
  }

  .stats-card-icon svg,
  .stats-card-icon i {
    width: 18px;
    height: 18px;
  }

  /* Buttons smaller */
  .btn {
    padding: 8px 14px;
    font-size: var(--font-size-xs);
  }

  .btn-lg {
    padding: 10px 20px;
    font-size: var(--font-size-sm);
  }

  /* Inputs smaller */
  .input,
  .textarea,
  .select {
    padding: 8px 12px;
    font-size: var(--font-size-sm);
  }

  /* Page header */
  .page-header {
    margin-bottom: var(--space-md);
  }

  .page-header h1 {
    font-size: var(--font-size-lg);
  }

  /* Breadcrumb smaller */
  .breadcrumb {
    font-size: var(--font-size-xs);
  }

  /* Modal */
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--space-md);
  }

  .modal-header h3 {
    font-size: var(--font-size-lg);
  }

  /* Table cells tighter */
  th, td {
    padding: 8px 12px;
    font-size: var(--font-size-xs);
  }

  /* Tabs smaller */
  .tab {
    padding: 10px 14px;
    font-size: var(--font-size-xs);
  }

  /* Toast compact */
  .toast {
    padding: 10px 14px;
  }

  /* Empty state */
  .empty-state {
    padding: var(--space-2xl) var(--space-md);
  }

  .empty-state-icon {
    width: 48px;
    height: 48px;
  }

  .empty-state-icon svg,
  .empty-state-icon i {
    width: 24px;
    height: 24px;
  }

  .empty-state h3 {
    font-size: var(--font-size-lg);
  }

  /* Header public */
  .header-public {
    padding: 0 var(--space-sm);
  }

  .header-public-logo span {
    font-size: var(--font-size-base);
  }

  /* Public container */
  .public-container {
    padding: 0 var(--space-sm);
  }

  /* Footer compact */
  .footer-grid {
    padding: 0 var(--space-sm);
    gap: var(--space-lg);
  }

  .footer-bottom {
    padding: var(--space-md) var(--space-sm) 0;
  }

  /* Chip group wraps nicely */
  .chip {
    font-size: 10px;
    padding: 3px 8px;
  }

  /* Alert compact */
  .alert {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-xs);
  }

  /* Pagination compact */
  .pagination-btn {
    min-width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
  }
}

/* ==========================================================================
   Landscape phone special handling
   ========================================================================== */

@media (max-height: 500px) and (orientation: landscape) {
  .bottom-nav {
    height: 48px;
  }

  .bottom-nav-item {
    font-size: 0;
  }

  .bottom-nav-item svg,
  .bottom-nav-item i {
    width: 20px;
    height: 20px;
  }

  .main-content {
    padding-bottom: calc(48px + var(--space-sm));
  }

  .modal {
    max-height: 100vh;
  }
}

/* ==========================================================================
   Print styles
   ========================================================================== */

@media print {
  .sidebar,
  .bottom-nav,
  .header-public,
  .toast-container,
  .sidebar-overlay {
    display: none !important;
  }

  .main-content {
    margin-left: 0 !important;
    padding: 0 !important;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  .card {
    border: 1px solid #dddddd;
    box-shadow: none;
    break-inside: avoid;
  }

  a {
    color: #000000;
    text-decoration: underline;
  }
}

/* ==========================================================================
   Reduced motion preference
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .skeleton {
    animation: none;
    background: var(--bg-tertiary);
  }
}