/**
 * CA Assist - Proprietary Software
 * Copyright (c) 2026 Sana Shahzad. All rights reserved.
 * Phone layout (under 640px): compact titles, card-style tables, two-column summary cards.
 */
@media (max-width: 640px) {
  :root {
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.45rem;
    --font-size-xl: 1.2rem;
  }

  .main-content {
    padding: var(--space-4) var(--space-4) calc(var(--bottom-nav-height) + var(--space-8));
  }

  /* ---- page header ---- */
  .page-header {
    gap: var(--space-3);
    margin-block-end: var(--space-4);
  }
  .page-title {
    font-size: 1.45rem;
    line-height: 1.25;
  }
  .page-header .form-hint {
    font-size: 0.85rem;
    line-height: 1.45;
    margin-top: 2px;
  }
  .page-actions {
    width: 100%;
    gap: var(--space-2);
  }
  .page-actions > .btn {
    flex: 1 1 calc(50% - var(--space-2));
    justify-content: center;
    text-align: center;
    white-space: normal;
    line-height: 1.25;
    padding-block: var(--space-2);
  }

  /* ---- general controls ---- */
  .card {
    padding: var(--space-4);
  }
  .card-title {
    font-size: 1.05rem;
  }
  .alert-banner {
    padding: var(--space-3);
    font-size: 0.875rem;
  }
  input,
  select,
  textarea {
    font-size: 16px; /* stops iPhones from zooming into a field */
  }
  .form-control,
  select.form-control {
    width: 100%;
    min-height: 44px;
  }
  .btn {
    min-height: 44px;
  }
  .btn-sm {
    min-height: 40px;
  }

  /* ---- dashboard ---- */
  .quick-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2) !important;
  }
  .quick-actions .btn > span {
    flex: none;
  }
  .quick-actions .btn {
    width: 100%;
    justify-content: flex-start;
    gap: var(--space-2);
    padding-inline: var(--space-3);
    font-size: 0.85rem;
    line-height: 1.2;
    text-align: start;
    white-space: normal;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: var(--space-3) !important;
  }
  .stat-grid .card {
    padding: var(--space-3);
    overflow-wrap: anywhere;
  }
  .stat-grid .badge,
  .kpi-grid .badge {
    white-space: normal;
    max-width: 100%;
    line-height: 1.25;
  }
  /* report figures: one column, so a long amount like PKR 4,500,000.00 stays on one line */
  .kpi-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-3) !important;
  }
  .kpi-grid .card {
    padding: var(--space-3) var(--space-4);
  }
  .kpi-grid .card > div:last-child,
  .kpi-grid .card strong {
    white-space: nowrap;
  }
  .card select {
    width: 100% !important;
    max-width: 100% !important;
  }

  /* ---- tables become cards: the first cell is the card title ---- */
  .table-responsive {
    border: 0;
    background: transparent;
    overflow: visible;
  }
  .data-table,
  .data-table tbody {
    display: block;
  }
  .data-table thead {
    display: none;
  }
  .data-table tr {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2) var(--space-4);
    margin-bottom: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
  }
  .data-table td {
    display: block !important;
    min-width: 0;
    padding: 0;
    border: 0;
    text-align: start;
    font-size: 0.95rem;
    overflow-wrap: anywhere;
  }
  .data-table td::before {
    display: block;
    max-width: none;
    margin-bottom: 2px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
  }
  .data-table td:first-child {
    grid-column: 1 / -1;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 1.05rem;
  }
  .data-table td:first-child::before,
  .data-table td:last-child::before {
    display: none;
  }
  .data-table td:last-child {
    grid-column: 1 / -1;
    display: flex !important;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-1);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
  }
  .data-table td:last-child .btn,
  .data-table td:last-child button {
    flex: 1 1 0;
    min-height: 40px;
    justify-content: center;
  }
  .data-table td:empty {
    display: none !important;
  }

  /* ---- upload boxes ---- */
  .dropzone {
    padding: var(--space-4) var(--space-3);
    gap: var(--space-2);
  }
  .dropzone h3 {
    font-size: 1rem;
  }
  .dropzone > span:first-child {
    width: 32px !important;
    height: 32px !important;
  }

  /* ---- bank reconciliation action bar ---- */
  #recon-setup-actions {
    flex-direction: column;
    align-items: stretch;
  }
  #recon-setup-actions > div:last-child {
    flex-wrap: wrap;
    justify-content: space-between;
  }
  #recon-setup-actions .btn-primary {
    flex: 1 1 100%;
  }
  #scanned-stmt-box select,
  #scanned-stmt-box .btn {
    flex: 1 1 100%;
  }

  /* ---- document list tools ---- */
  #doc-count {
    width: 100%;
    text-align: end;
  }
}