@layer components {
  /* File upload — card-based dropzone with drag-and-drop, current file preview, and pending file preview. */
  .app-file-upload {
    position: relative;
    border: 1px solid var(--app-muted-border-color);
    border-radius: var(--app-border-radius);
    background: var(--app-card-background-color);
    overflow: hidden;
    transition: border-color 0.15s ease;
    margin-bottom: var(--app-spacing);
  }

  .app-file-upload.is-dragover {
    border-color: var(--app-primary);
    background: color-mix(in srgb, var(--app-primary) 5%, var(--app-card-background-color));
  }

  /* ── Current file (server-side, shown when data-current-src is set) ── */
  .app-file-upload-current {
    display: flex;
    align-items: center;
    gap: calc(var(--app-spacing) * 0.75);
    padding: calc(var(--app-spacing) * 0.75);
  }

  .app-file-upload-current-image {
    width: 48px;
    height: 48px;
    border-radius: calc(var(--app-border-radius) * 0.5);
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid var(--app-muted-border-color);
    background: var(--app-background-color);
  }

  .app-file-upload-current-meta {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .app-file-upload-current-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--app-contrast);
  }

  .app-file-upload-current-actions {
    display: flex;
    gap: calc(var(--app-spacing) * 0.25);
  }

  .app-file-upload-current-actions button {
    background: none;
    border: none;
    padding: calc(var(--app-spacing) * 0.15) calc(var(--app-spacing) * 0.35);
    cursor: pointer;
    font-size: var(--text-xs);
    border-radius: var(--app-border-radius);
    transition: color 0.15s ease, background 0.15s ease;
    margin: 0;
    width: auto;
    line-height: var(--leading-normal);
  }

  .app-file-upload-replace-button {
    color: var(--app-primary);
  }

  .app-file-upload-replace-button:hover {
    background: color-mix(in srgb, var(--app-primary) 10%, transparent);
  }

  .app-file-upload-delete-button {
    color: var(--app-del-color);
  }

  .app-file-upload-delete-button:hover {
    background: color-mix(in srgb, var(--app-del-color) 10%, transparent);
  }

  .app-file-upload.has-current .app-file-upload-dropzone {
    display: none;
  }

  .app-file-upload:not(.has-current) .app-file-upload-current {
    display: none;
  }

  /* ── Dropzone (visible when no current file and no pending file) ── */
  .app-file-upload-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: calc(var(--app-spacing) * 0.5);
    padding: calc(var(--app-spacing) * 1.5) var(--app-spacing);
    cursor: pointer;
    text-align: center;
    color: var(--app-muted-color);
    border: 2px dashed var(--app-muted-border-color);
    border-radius: var(--app-border-radius);
    margin: calc(var(--app-spacing) * 0.5);
    transition: border-color 0.15s ease, color 0.15s ease;
  }

  .app-file-upload.is-dragover .app-file-upload-dropzone {
    border-color: var(--app-primary);
    color: var(--app-primary);
  }

  .app-file-upload-dropzone:hover {
    border-color: var(--app-primary);
    color: var(--app-primary);
  }

  .app-file-upload-dropzone-icon {
    font-size: var(--text-2xl);
    line-height: var(--leading-none);
  }

  .app-file-upload-dropzone-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
  }

  .app-file-upload-dropzone-hint {
    font-size: var(--text-xs);
    opacity: 0.7;
  }

  .app-file-upload.has-file .app-file-upload-dropzone,
  .app-file-upload.has-file .app-file-upload-current {
    display: none;
  }

  .app-file-upload.is-rejected {
    animation: file-upload-shake 0.4s ease;
  }

  .app-file-upload.is-rejected .app-file-upload-dropzone {
    border-color: var(--app-del-color);
    color: var(--app-del-color);
  }

  @keyframes file-upload-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-4px); }
    40% { transform: translateX(4px); }
    60% { transform: translateX(-2px); }
    80% { transform: translateX(2px); }
  }

  /* ── Pending file preview (visible when new file selected) ── */
  .app-file-upload-preview {
    display: none;
    align-items: center;
    gap: calc(var(--app-spacing) * 0.75);
    padding: calc(var(--app-spacing) * 0.75);
  }

  .app-file-upload.has-file .app-file-upload-preview {
    display: flex;
  }

  .app-file-upload-thumbnail {
    width: 48px;
    height: 48px;
    border-radius: calc(var(--app-border-radius) * 0.5);
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid var(--app-muted-border-color);
    background: var(--app-background-color);
  }

  .app-file-upload-file-icon {
    width: 48px;
    height: 48px;
    border-radius: calc(var(--app-border-radius) * 0.5);
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: var(--app-muted-color);
    background: var(--app-background-color);
    border: 1px solid var(--app-muted-border-color);
  }

  .app-file-upload-meta {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .app-file-upload-filename {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--app-contrast);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .app-file-upload-filesize {
    font-size: var(--text-xs);
    color: var(--app-muted-color);
  }

  .app-file-upload-clear {
    flex-shrink: 0;
    background: none;
    border: none;
    padding: calc(var(--app-spacing) * 0.25);
    cursor: pointer;
    color: var(--app-muted-color);
    font-size: var(--text-base);
    line-height: var(--leading-none);
    border-radius: var(--app-border-radius);
    transition: color 0.15s ease;
    margin: 0;
    width: auto;
  }

  .app-file-upload-clear:hover {
    color: var(--app-del-color);
  }

  /* ── Hidden native input ── */
  .app-file-upload input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}