/* ========== 右侧边栏样式 ========== */

/* 侧边栏：与左侧边栏对称 */
.qq-sidebar{
    position: fixed;
    top: 60px;
    right: 0;
    bottom: 0;
    width: 260px;
    background-color: #fff;
    box-shadow: -2px 0 8px rgba(0,0,0,0.08);
    z-index: 998;
    overflow-y: auto;
    transition: width 0.3s ease, right 0.3s ease;
    border-left: 1px solid #e2e8f0;
}
/* 滚动条在左边 */
.qq-sidebar{
    direction: rtl;
}
.qq-sidebar > * {
    direction: ltr;
}
.qq-sidebar.qq-sidebar-collapsed{width:60px;}

/* 滚动时收缩效果 - 向右让出空间15px */
.qq-sidebar.scrolled {
    right: -15px;
}

/* QQ顶部蓝色栏 */
.qq-head{
    height:44px;background:#12b7f5;
    display:flex;align-items:center;justify-content:space-between;
    padding:0 12px;color:#fff;
}
.qq-head h3{
    font-size:15px;white-space:nowrap;overflow:hidden;
    width:0;transition:width 0.3s;
}
.qq-sidebar:not(.qq-sidebar-collapsed) .qq-head h3{width:auto;}

.toggle-btn{
    width:26px;height:26px;border-radius:50%;
    background:rgba(255,255,255,0.25);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;font-size:15px;user-select:none;
}

/* 侧边菜单 */
.qq-menu-item{
    height:48px;display:flex;align-items:center;
    padding:0 12px;gap:10px;cursor:pointer;
    border-bottom:1px solid #eee;transition:background 0.2s;
    position:relative;
}
.qq-menu-item:hover{background:#f0f2f5;}
.qq-icon{
    width:32px;height:32px;border-radius:6px;
    background:#e8f4ff;display:flex;align-items:center;justify-content:center;
    color:#12b7f5;font-size:17px;flex-shrink:0;
}
.qq-text{
    white-space:nowrap;overflow:hidden;width:0;transition:width 0.3s;
}
.qq-sidebar:not(.qq-sidebar-collapsed) .qq-text{width:auto;}

/* 收缩悬浮文字提示 */
.tip-text{
    position:absolute;
    left:64px;
    top:50%;
    transform:translateY(-50%);
    background:#222;
    color:#fff;
    font-size:12px;
    padding:4px 9px;
    border-radius:4px;
    white-space:nowrap;
    z-index:9999;
    opacity:0;
    visibility:hidden;
    transition:0.15s;
}
.qq-sidebar.qq-sidebar-collapsed .qq-menu-item:hover .tip-text{
    opacity:1;
    visibility:visible;
}

/* 热度排名 */
.rank-title{
    height:0;
    line-height:36px;padding:0 12px;
    background:#f7f8fa;font-size:13px;color:#666;
    border-bottom:1px solid #eee;
    overflow:hidden;
    transition:height 0.3s ease;
}
.qq-sidebar:not(.qq-sidebar-collapsed) .rank-title{height:36px;}

.rank-user{
    display:flex;align-items:center;gap:10px;padding:10px 12px;
    border-bottom:1px solid #f0f0f0;cursor:pointer;
    transition:background 0.2s;
    position:relative;
}
.rank-user:hover{background:#f0f2f5;}
.user-avatar{
    width:36px;height:36px;border-radius:6px;
    background:#dceaff;display:flex;align-items:center;justify-content:center;
    font-size:16px;color:#12b7f5;flex-shrink:0;
    overflow:hidden;
}
.user-avatar img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.user-name{
    white-space:nowrap;overflow:hidden;width:0;transition:width 0.3s;
}
.qq-sidebar:not(.qq-sidebar-collapsed) .user-name{width:auto;}

.user-tip{
    position:absolute;
    left:64px;
    top:50%;
    transform:translateY(-50%);
    background:#222;
    color:#fff;
    font-size:12px;
    padding:4px 9px;
    border-radius:4px;
    white-space:nowrap;
    z-index:9999;
    opacity:0;
    visibility:hidden;
}
.qq-sidebar.qq-sidebar-collapsed .rank-user:hover .user-tip{
    opacity:1;
    visibility:visible;
}


.user-list {
    border-top: 1px solid #eee;
}
.user-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
}
.user-item:hover {
    background: #f0f2f5;
}
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: #dceaff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #12b7f5;
    flex-shrink: 0;
    overflow: hidden;
}
.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.user-name {
    white-space: nowrap;
    overflow: hidden;
    width: 0;
    transition: width 0.3s;
}
.qq-sidebar:not(.qq-sidebar-collapsed) .user-name {
    width: auto;
}

/* 收缩悬浮文字提示 */
.user-item .user-tip {
    position: absolute;
    left: 64px;
    top: 50%;
    transform: translateY(-50%);
    background: #222;
    color: #fff;
    font-size: 12px;
    padding: 4px 9px;
    border-radius: 4px;
    white-space: nowrap;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
}
.qq-sidebar.qq-sidebar-collapsed .user-item:hover .user-tip {
    opacity: 1;
    visibility: visible;
}

/* 手机版隐藏右侧边栏 */
@media (max-width: 768px) {
    .qq-sidebar {
        display: none !important;
    }
}