/* --- 用户中心通用样式 --- */
.header-right {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 未登录状态的按钮 */
.auth-btn {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.auth-btn.login {
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text-primary);
}
.auth-btn.login:hover { background-color: var(--c-hover-light); }

.auth-btn.register {
    background: #19c37d;
    border: 1px solid #19c37d;
    color: white;
}
.auth-btn.register:hover { background: #15a268; }

/* 已登录状态：头像与下拉菜单 */
.user-dropdown-container {
    position: relative;
}

.user-avatar-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2px solid var(--c-border);
    overflow: hidden;
    cursor: pointer;
    background: #eee;
    padding: 0;
}
.user-avatar-btn img { width: 100%; height: 100%; object-fit: cover; }

/* 下拉菜单 */
.auth-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    width: 140px;
    background: var(--c-bg-main);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: none;
    flex-direction: column;
    z-index: 1000;
    overflow: hidden;
}
.auth-menu.show { display: flex; }

.menu-item {
    padding: 10px 15px;
    font-size: 13px;
    color: var(--c-text-primary);
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}
.menu-item:hover { background: rgba(0,0,0,0.05); }
.menu-divider { height: 1px; background: var(--c-border); margin: 0; }
/* ========================================================= */
/* [核心修改] Header 布局调整与用户中心样式 */
/* ========================================================= */

/* 调整 Header 布局支持右侧绝对定位 */
header {
    background-color: var(--c-bg-main);
    border-bottom: 1px solid var(--c-border);
    padding: 15px;
    text-align: center;
    font-weight: bold;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px; /* 固定高度确保对齐 */
}
.header-controls { position: absolute; left: 15px; display: flex; gap: 8px; }
.header-btn { background: transparent; border: 1px solid var(--c-border); color: var(--c-text-secondary); cursor: pointer; padding: 6px; border-radius: 6px; width: 34px; height: 34px; display:flex; align-items:center; justify-content:center; }

/* --- Header Right: 用户中心 --- */
.header-right { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); display: flex; align-items: center; gap: 10px; z-index: 100;}

/* 按钮通用样式 */
.auth-btn { padding: 6px 14px; font-size: 13px; border-radius: 6px; cursor: pointer; transition: all 0.2s; font-weight: 500; }
.auth-btn.login { background: transparent; border: 1px solid var(--c-border); color: var(--c-text-primary); }
.auth-btn.login:hover { background-color: var(--c-hover-light); }
.auth-btn.register { background: #19c37d; border: 1px solid #19c37d; color: white; }
.auth-btn.register:hover { background: #15a268; }

/* 已登录：下拉菜单容器 */
.user-dropdown-container { position: relative; }
.user-avatar-btn { width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--c-border); overflow: hidden; cursor: pointer; background: #eee; padding: 0; display:flex; }
.user-avatar-btn img { width: 100%; height: 100%; object-fit: cover; }

/* 下拉菜单本身 */
.auth-menu { position: absolute; top: 110%; right: 0; width: 150px; background: var(--c-bg-main); border: 1px solid var(--c-border); border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); display: none; flex-direction: column; z-index: 1000; overflow: hidden; }
.auth-menu.show { display: flex; }
.menu-item { padding: 10px 15px; font-size: 13px; color: var(--c-text-primary); background: transparent; border: none; text-align: left; cursor: pointer; display: flex; align-items: center; gap: 8px; width: 100%; }
.menu-item:hover { background: var(--c-hover-light); }
.menu-divider { height: 1px; background: var(--c-border); margin: 0; width: 100%; }

/* 菜单顶部用户行头像 */
.menu-avatar-mini {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--c-border);
    background: #eee;
    display: flex;
}
.menu-avatar-mini img { width: 100%; height: 100%; object-fit: cover; }


/* =============================================
   积分 & 会员信息卡片（新增，不影响已有样式）
   ============================================= */

.auth-menu { width: 200px; }

.menu-info-card {
    margin: 4px 10px 6px;
    padding: 8px 10px;
    background: var(--c-bg-chat, rgba(0, 0, 0, 0.04));
    border: 1px solid var(--c-border);
    border-radius: 6px;
    font-size: 12px;
    min-height: 36px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.menu-info-loading {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--c-text-secondary, #888);
    font-size: 12px;
    padding: 2px 0;
}

.menu-info-spinner {
    width: 12px;
    height: 12px;
    border: 2px solid var(--c-border);
    border-top-color: #19c37d;
    border-radius: 50%;
    display: inline-block;
    animation: menu-spin 0.7s linear infinite;
    flex-shrink: 0;
}
@keyframes menu-spin { to { transform: rotate(360deg); } }

.menu-info-error {
    color: #ff5f56;
    font-size: 12px;
    padding: 2px 0;
}

.menu-info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
}

.menu-info-label { color: var(--c-text-secondary, #888); flex-shrink: 0; }

.menu-info-value { font-weight: 600; color: var(--c-text-primary); }

.points-value { color: #19c37d; }

.menu-info-vip { display: flex; align-items: center; }

.vip-badge {
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 20px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.vip-permanent {
    background: rgba(255, 193, 7, 0.22);
    color: #a06800;
    border: 1px solid rgba(255, 193, 7, 0.55);
}

.vip-active {
    background: rgba(25, 195, 125, 0.18);
    color: #0e9e61;
    border: 1px solid rgba(25, 195, 125, 0.45);
    font-size: 10.5px;
}

.vip-none {
    background: rgba(120, 120, 120, 0.15);
    color: var(--c-text-secondary, #888);
    border: 1px solid rgba(120, 120, 120, 0.3);
}