.global-file-upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    border: 2px dashed var(--color-border);
    border-radius: 0.5rem;
    background: var(--color-surface-subtle);
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
    min-height: var(--control-h-touch);
    text-align: center;
}

/* Hover is an ordinary control state, so it takes the action ink; is-dragging
   is the drop target announcing it will receive the drop — the same promise a
   focus ring makes — so that one state keeps the focus purple. */
.global-file-upload-zone:hover {
    border-color: var(--color-action-hover);
    background: var(--color-action-tint);
}

.global-file-upload-zone.is-dragging {
    border-color: var(--color-focus-ring);
    background: color-mix(in srgb, var(--color-focus-ring) 8%, transparent);
    border-style: solid;
}

.global-file-upload-zone.is-invalid {
    border-color: var(--color-error);
}

.global-file-upload__icon {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.global-file-upload__text {
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
}

.global-file-upload__text strong {
    color: var(--color-action);
}

.global-file-upload__hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.global-file-upload__preview {
    list-style: none;
    margin: var(--spacing-sm) 0 0;
    padding: 0;
}

.global-file-upload__preview-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xsm) var(--spacing-sm);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.global-file-upload__preview-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1;
}

.global-file-upload__preview-size {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-sm);
    flex-shrink: 0;
}

.global-file-upload__preview-remove {
    background: none;
    border: none;
    color: var(--color-error);
    cursor: pointer;
    padding: 0 var(--spacing-xs);
    font-size: var(--font-size-base);
    line-height: 1;
    margin-left: var(--spacing-sm);
    flex-shrink: 0;
}

.global-file-upload__preview-remove:hover {
    opacity: 0.7;
}

.global-file-upload__error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
}