/* myBCA Mockup v2.0.1 — Responsive breakpoints and reduced-motion behavior. */

@media (max-width: 1120px) {
  .app-shell { grid-template-columns: minmax(430px, 0.96fr) minmax(390px, 1.04fr); }
}

@media (max-width: 980px) {
  .app-shell {
    width: min(780px, calc(100% - 28px));
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .preview-column { position: static; }
  .preview-panel {
    height: auto;
    overflow: visible;
  }
  .canvas-stage {
    height: var(--preview-stack-height, auto);
    flex: 0 0 auto;
    contain: none;
    /* Mobile: let the page own vertical scrolling so a gesture that starts
       over the tall receipt can continue upward/downward without getting
       trapped inside this nested preview container. */
    overflow: visible;
    overscroll-behavior: auto;
    scrollbar-gutter: auto;
    touch-action: pan-y pinch-zoom;
  }
  .canvas-surface,
  #receiptCanvas {
    touch-action: pan-y pinch-zoom;
  }
  .footer { width: min(780px, calc(100% - 28px)); }
}

@media (max-width: 640px) {
  .navbar, .navbar-container { min-height: 64px; }
  .navbar-container { width: calc(100% - 30px); }
  .navbar-brand img { width: 91px; height: auto; }
  .app-shell { margin-top: 16px; gap: 18px; }
  .editor-panel,
  .preview-panel { padding: 18px; border-radius: 17px; }
  .panel-heading { align-items: center; }
  .editor-group { margin-top: 21px; }
  .editor-group + .editor-group { padding-top: 20px; }
  .form-grid,
  .display-settings-grid,
  .stamp-settings-grid { grid-template-columns: 1fr; }
  .field-span-2,
  .stamp-settings-card { grid-column: auto; }
  .stamp-upload-row { grid-template-columns: 1fr; }
  .stamp-clear-button { width: 100%; }
  .actions { grid-template-columns: 1fr; }
  .preview-toolbar { min-height: 0; margin-bottom: 14px; }
  .canvas-stage { padding: 14px; border-radius: 17px; }
  .canvas-surface { width: 100%; }
  .footer { flex-direction: column; gap: 4px; }
}

@media (max-width: 640px) {
  .date-time-popover {
    position: fixed;
    top: 50%;
    left: 50%;
    width: min(360px, calc(100vw - 28px));
    max-height: calc(100vh - 36px);
    transform: translate(-50%, -50%);
    border-radius: 18px;
  }
  .date-time-trigger-copy { gap: 6px; }
}

@media (max-width: 390px) {
  .editor-panel,
  .preview-panel { padding: 16px; }
  .switch-card { padding-inline: 12px; }
  .button.small { padding-inline: 12px; }
}

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