/* 图片工具基础样式 */
:root {
    --img-border-radius: 8px;
    --img-padding: 1.5rem;
    --img-gap: 1rem;
    --img-shadow: 0 1px 3px rgba(0,0,0,0.1);
}



/* 拖放区域样式 */
.img-dropzone {
    border: 2px dashed var(--gray-200);
    border-radius: var(--img-border-radius);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.img-dropzone:hover,
.img-dropzone.dragover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
}

.img-dropzone-content {
    color: var(--gray-500);
}

.img-dropzone-content svg {
    margin-bottom: var(--img-gap);
    stroke: var(--gray-400);
}

.img-dropzone-content p {
    margin: 0;
    font-size: 0.875rem;
}

/* 预览区域样式 */
.img-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--img-gap);
    margin-top: 1.5rem;
}

.img-preview-item {
    position: relative;
    border-radius: var(--img-border-radius);
    overflow: hidden;
    box-shadow: var(--img-shadow);
}

.img-preview-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.img-preview-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 0.5rem;
    font-size: 0.75rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.img-preview-item:hover .img-preview-info {
    transform: translateY(0);
}

.img-preview-size {
    display: block;
    margin-bottom: 0.25rem;
}

.img-preview-name {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .img-preview {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .img-preview-image {
        height: 150px;
    }
}