.msg-cat-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    padding-bottom: 4px;
}

.msg-cat-btn {
    border: 1px solid #d0d5f5;
    background: #fff;
    color: #5c6bc0;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: 999px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.msg-cat-btn:hover {
    background: #eef0fb;
}

.msg-cat-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    color: #fff;
}

.msg-cat-empty {
    font-size: 13px;
    color: #888;
    text-align: center;
    padding: 24px 12px;
    line-height: 1.55;
}

.mine-panel-wrap .msg-cat-empty,
.mine-panel-bd .msg-cat-empty {
    color: rgba(227, 237, 255, 0.72);
}