/* ==========================================================================
   CashFlow PWA — Responsive Styles & Media Queries
   ========================================================================== */

/* Mobile & Small Tablets (< 900px) */
@media (max-width: 900px) {
  :root {
    --sidebar-width: 0px;
    --header-height: 58px;
  }

  .app-sidebar {
    transform: translateX(-100%);
    width: 280px;
    box-shadow: var(--shadow-lg);
  }

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

  .app-main {
    margin-left: 0;
    width: 100%;
    padding-bottom: calc(var(--bottom-nav-height) + 20px);
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
  }

  .mobile-bottom-nav {
    display: flex;
  }

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

  .content-body {
    padding: 16px;
  }

  .metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-value {
    font-size: 1.35rem;
  }

  .stat-icon {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

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

/* Extra Small Screens (< 480px) */
@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-card:nth-child(5),
  .stat-card:nth-child(6) {
    grid-column: span 2;
  }

  .tx-card {
    padding: 12px;
  }

  .tx-left {
    gap: 10px;
  }

  .tx-icon-box {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .tx-title {
    font-size: 0.88rem;
  }

  .tx-amount {
    font-size: 0.95rem;
  }

  .filter-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
  }

  .modal-container {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    position: fixed;
    bottom: 0;
    max-height: 85vh;
  }
}

/* iOS Safe Areas */
@supports (padding: max(0px)) {
  .mobile-bottom-nav {
    padding-bottom: max(10px, env(safe-area-inset-bottom));
    height: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));
  }
  .app-header {
    padding-top: max(0px, env(safe-area-inset-top));
  }
}