.xinghui-comment-ai-mention-panel {
    position: absolute;
    z-index: 100000;
    display: none;
    box-sizing: border-box;
    overflow: hidden;
    border: 1px solid var(--muted-border-color, rgba(125, 137, 154, .22));
    border-radius: 8px;
    background: var(--main-bg-color, #fff);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .16);
}

.xinghui-comment-ai-mention-panel.is-open {
    display: block;
}

.xinghui-comment-ai-mention-search {
    padding: 8px;
    border-bottom: 1px solid var(--muted-border-color, rgba(125, 137, 154, .16));
}

.xinghui-comment-ai-mention-search input {
    box-sizing: border-box;
    width: 100%;
    height: 34px;
    padding: 0 10px;
    border: 1px solid var(--muted-border-color, rgba(125, 137, 154, .28));
    border-radius: 6px;
    background: var(--body-bg-color, #f7f8fa);
    color: var(--main-color, #333);
    outline: none;
}

.xinghui-comment-ai-mention-list {
    max-height: 260px;
    overflow-y: auto;
    padding: 5px;
}

.xinghui-comment-ai-mention-item {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 8px;
    padding: 7px 8px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--main-color, #333);
    text-align: left;
    cursor: pointer;
}

.xinghui-comment-ai-mention-item:hover {
    background: var(--muted-border-color, rgba(125, 137, 154, .14));
}

.xinghui-comment-ai-mention-item img {
    width: 28px;
    height: 28px;
    flex: 0 0 auto;
    border-radius: 50%;
    object-fit: cover;
}

.xinghui-comment-ai-mention-item span {
    min-width: 0;
    overflow: hidden;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.xinghui-comment-ai-mention-empty {
    padding: 14px 10px;
    color: var(--muted-color, #888);
    font-size: 13px;
    text-align: center;
}