@media (max-width: 760px) {
  body.mobile-card-preview-open {
    overflow: hidden;
  }

  /* The redesigned app shell normally establishes its own stacking context.
     Release it while the card dialog is open so the fixed preview can sit
     above the body-level backdrop instead of being dimmed with the page. */
  body.mobile-card-preview-open .app-shell {
    z-index: auto;
  }

  .compact-card-row {
    min-height: 3.5rem;
    padding: 0.7rem;
  }

  .compact-card-row > button {
    min-width: 3.25rem;
    min-height: 2.75rem;
  }

  .card-preview {
    position: fixed;
    z-index: 1001;
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-height: min(78vh, 42rem);
    min-height: 0;
    margin: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    touch-action: pan-y;
    -webkit-overflow-scrolling: touch;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 18px 18px 0 0;
    padding: 1rem 1rem calc(1rem + env(safe-area-inset-bottom));
    box-shadow: 0 -18px 44px rgba(36, 27, 22, 0.24);
    transform: translateY(calc(100% + 1rem));
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: transform 180ms ease, opacity 180ms ease, visibility 0s linear 180ms;
  }

  .card-preview.mobile-open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .mobile-card-preview-close {
    position: sticky;
    z-index: 2;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    min-width: 2.75rem;
    margin: 0 0 -2.75rem auto;
    border-color: var(--line);
    border-radius: 999px;
    background: var(--surface-solid);
    color: var(--ink);
    padding: 0;
    box-shadow: 0 4px 14px rgba(36, 27, 22, 0.14);
    font-size: 1.6rem;
    font-weight: 500;
    line-height: 1;
  }

  .mobile-card-preview-close:hover:not(:disabled) {
    background: #f8eee1;
  }

  .mobile-card-preview-backdrop {
    position: fixed;
    z-index: 1000;
    inset: 0;
    background: rgba(24, 18, 14, 0.5);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 180ms ease, visibility 0s linear 180ms;
  }

  .mobile-card-preview-backdrop.mobile-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 180ms ease;
  }
}

@media (min-width: 761px) {
  .mobile-card-preview-close,
  .mobile-card-preview-backdrop {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card-preview,
  .mobile-card-preview-backdrop {
    transition: none !important;
  }
}