.if-format-tags {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.if-format-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--ut-gradient-primary);
    color: #fff;
    letter-spacing: 1px;
}

.if-format-tag-arrow {
    color: var(--ut-color-text-muted);
    font-size: 0.9rem;
}

/* 拖放区域 */
.if-drop-area {
    border: 2px dashed var(--ut-color-border);
    border-radius: var(--ut-radius-lg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--ut-transition-base), background var(--ut-transition-base);
}

.if-drop-area:hover,
.if-drop-area.active {
    border-color: var(--ut-color-primary-500);
    background: rgba(102, 126, 234, 0.04);
}

.if-drop-area > i {
    font-size: 3rem;
    color: var(--ut-color-primary-500);
    margin-bottom: 12px;
    display: block;
}

.if-drop-area h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.if-browse-btn {
    cursor: pointer;
}

/* 转换选项 */
.if-options {
    margin-top: 20px;
    padding: 16px;
    background: var(--ut-color-surface-muted);
    border-radius: var(--ut-radius-md);
}

.if-option-row {
    display: flex;
    gap: 24px;
    align-items: flex-end;
}

@media (max-width: 576px) {
    .if-option-row {
        flex-direction: column;
        gap: 12px;
    }
}

.if-option-item {
    flex: 1;
}

/* 文件列表 */
.if-file-list {
    margin-top: 20px;
}

.if-file-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.if-file-list-header h5 {
    margin: 0;
}

.if-file-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 单个文件行 */
.if-file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--ut-color-surface-muted);
    border-radius: var(--ut-radius-md);
    border: 1px solid var(--ut-color-border);
}

/* 缩略图 */
.if-file-thumb {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--ut-color-border);
    flex-shrink: 0;
    background: #f0f0f0;
}

/* 文件信息 - 关键：min-width:0让flex子项能正确收缩 */
.if-file-info {
    flex: 1;
    min-width: 0;
}

.if-file-name {
    font-weight: 600;
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.if-file-meta {
    font-size: 0.78rem;
    color: var(--ut-color-text-muted);
    white-space: nowrap;
}

/* 状态 */
.if-file-status {
    font-size: 0.8rem;
    min-width: 60px;
    text-align: center;
    flex-shrink: 0;
}

.if-file-status .badge {
    font-size: 0.72rem;
}

.if-file-result-size {
    font-size: 0.72rem;
    color: var(--ut-color-text-muted);
    margin-top: 2px;
}

/* 操作按钮 */
.if-file-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.if-file-actions .btn {
    padding: 3px 10px;
    font-size: 0.78rem;
    white-space: nowrap;
}