/* === 文件上传相关样式 === */

/* 上传拖拽区 */
.upload-zone {
    border: 2px dashed #dcdfe6;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: #fafafa;
    position: relative;
}
.upload-zone:hover {
    border-color: #409eff;
    background: #ecf5ff;
}
.upload-zone.drag-over {
    border-color: #409eff;
    background: #d9ecff;
}
.upload-zone.disabled {
    opacity: 0.5;
    pointer-events: none;
}
.upload-zone__icon {
    font-size: 36px;
    margin-bottom: 8px;
}
.upload-zone__text {
    color: #606266;
    font-size: 14px;
}
.upload-zone__hint {
    color: #909399;
    font-size: 12px;
    margin-top: 4px;
}

/* 图片缩略图网格 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    margin-top: 12px;
}
.image-grid__item {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid #e4e7ed;
    background: #f5f7fa;
}
.image-grid__item img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    display: block;
}
.image-grid__delete {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    line-height: 22px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.2s;
}
.image-grid__item:hover .image-grid__delete {
    opacity: 1;
}
.image-grid__delete:hover {
    background: #f56c6c;
}
.image-grid__main {
    position: absolute;
    bottom: 4px;
    left: 4px;
    padding: 1px 6px;
    border-radius: 3px;
    background: #409eff;
    color: #fff;
    font-size: 10px;
    cursor: pointer;
}
.image-grid__input {
    margin-top: 4px;
    padding: 2px 4px;
    font-size: 11px;
    width: 100%;
    border: none;
    border-top: 1px solid #e4e7ed;
    background: #f5f7fa;
    color: #606266;
}

/* 视频上传区 */
.video-upload-area {
    border: 2px dashed #dcdfe6;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.3s;
}
.video-upload-area:hover {
    border-color: #409eff;
    background: #ecf5ff;
}
.video-preview {
    margin-top: 12px;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
}
.video-preview video {
    width: 100%;
    max-height: 240px;
    display: block;
}
.video-preview__info {
    padding: 8px 12px;
    background: #f5f7fa;
    font-size: 13px;
    color: #606266;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 视频封面 */
.cover-upload {
    width: 160px;
    height: 90px;
    border: 2px dashed #dcdfe6;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    background: #fafafa;
    transition: all 0.3s;
}
.cover-upload:hover {
    border-color: #409eff;
}
.cover-upload img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cover-upload__placeholder {
    color: #909399;
    font-size: 12px;
    text-align: center;
}

/* 上传进度 */
.upload-progress {
    margin-top: 8px;
}
.upload-progress__bar {
    height: 4px;
    background: #e4e7ed;
    border-radius: 2px;
    overflow: hidden;
}
.upload-progress__fill {
    height: 100%;
    background: #409eff;
    transition: width 0.3s;
    border-radius: 2px;
}
.upload-progress__text {
    font-size: 12px;
    color: #909399;
    margin-top: 4px;
}

/* 上传模式切换 */
.upload-mode-switch {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
}
.upload-mode-switch label {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}