/* ========================================
   Responsive Styles - Mobile First
   ======================================== */

/* ── Mobile (Base - up to 767px) ── */
@media (max-width: 767px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 200;
  }

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

  .sidebar-overlay {
    display: none;
  }

  .sidebar-overlay.active {
    display: block;
    z-index: 150;
  }

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

  .topbar {
    left: 0;
    padding: 0 16px;
  }

  .menu-toggle {
    display: flex;
  }

  .main-content {
    padding: 16px;
    margin-top: var(--header-height);
  }

  .topbar-search {
    display: none;
  }

  .topbar-divider {
    display: none;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Stat Cards */
  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
  }

  .stat-card {
    padding: 16px;
    flex-direction: column;
    gap: 12px;
    min-height: auto;
  }

  .stat-value {
    font-size: 1.4rem;
  }

  .stat-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  /* Tables */
  .data-table th,
  .data-table td {
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  /* Cards */
  .card {
    padding: 16px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  /* Modals */
  .modal {
    margin: 12px;
    max-height: 85vh;
    border-radius: var(--radius-lg);
  }

  .modal-header {
    padding: 16px;
  }

  .modal-body {
    padding: 16px;
  }

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

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

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

  /* Buttons */
  .btn {
    padding: 10px 16px;
    font-size: 0.8rem;
  }

  .btn-lg {
    padding: 12px 20px;
  }

  /* Tabs */
  .tabs {
    gap: 0;
  }

  .tab {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  /* Toast */
  .toast-container {
    left: 16px;
    right: 16px;
    top: auto;
    bottom: 16px;
  }

  .toast {
    min-width: auto;
  }

  /* Pipeline */
  .status-pipeline {
    flex-wrap: wrap;
  }

  .pipeline-label {
    font-size: 0.6rem;
  }

  /* Charts */
  .chart-container {
    height: 250px !important;
  }

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

  /* Login Page */
  .login-container {
    flex-direction: column;
    padding: 16px;
  }

  .login-hero {
    display: none;
  }

  .login-form-section {
    padding: 24px;
  }

  .washing-machine-3d {
    width: 180px;
    height: 220px;
    margin-bottom: 20px;
  }

  .machine-door {
    width: 100px;
    height: 100px;
  }

  /* Filter bar */
  .filter-bar {
    flex-direction: column;
  }

  .search-bar {
    max-width: 100%;
  }

  /* Dashboard grid */
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  /* Action buttons group */
  .action-buttons {
    flex-direction: column;
    width: 100%;
  }

  .action-buttons .btn {
    width: 100%;
  }

  /* Receipt */
  .receipt {
    padding: 16px;
  }
}

/* ── Tablet (768px - 1023px) ── */
@media (min-width: 768px) and (max-width: 1023px) {
  .sidebar {
    width: var(--sidebar-collapsed);
  }

  .sidebar .sidebar-brand span,
  .sidebar .nav-section-title,
  .sidebar .nav-link span,
  .sidebar .nav-badge,
  .sidebar .sidebar-user-info {
    display: none;
  }

  .sidebar-header {
    justify-content: center;
    padding: 16px;
  }

  .sidebar-nav .nav-link {
    justify-content: center;
    padding: 12px;
  }

  .sidebar-user {
    justify-content: center;
    padding: 8px;
  }

  .main-wrapper {
    margin-left: var(--sidebar-collapsed);
  }

  .topbar {
    left: var(--sidebar-collapsed);
  }

  .main-content {
    padding: 20px;
  }

  .menu-toggle {
    display: none;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .topbar-search input {
    width: 180px;
  }

  .topbar-search input:focus {
    width: 220px;
  }
}

/* ── Desktop (1024px - 1439px) ── */
@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }

  .sidebar-overlay {
    display: none !important;
  }
}

/* ── Wide Desktop (1440px+) ── */
@media (min-width: 1440px) {
  .main-content {
    padding: 32px;
    max-width: 1600px;
  }

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

/* ── Touch Optimizations ── */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .nav-link {
    min-height: 44px;
  }

  .form-control {
    min-height: 44px;
    font-size: 16px; /* Prevents iOS zoom */
  }

  .data-table td,
  .data-table th {
    padding: 12px;
  }

  .pagination-btn {
    min-width: 44px;
    min-height: 44px;
  }
}

/* ── Landscape Phone ── */
@media (max-height: 500px) and (orientation: landscape) {
  .login-container {
    flex-direction: row;
  }

  .login-hero {
    display: flex;
    width: 40%;
  }

  .login-form-section {
    width: 60%;
  }

  .washing-machine-3d {
    width: 150px;
    height: 180px;
  }
}

/* ── Filter & Action Bars ── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-bar .form-control {
  max-width: 180px;
}

@media (max-width: 767px) {
  .filter-bar .form-control {
    max-width: 100%;
    flex: 1;
  }
}