/* 顶部导航容器 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--primary-color);
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.header .layui-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* LOGO样式 */
.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 32px;
    height: 32px;
}

.header-logo h1 {
    font-size: 18px;
    color: #fff;
    margin: 0;
}

/* 导航菜单样式 */
.layui-nav {
    background-color: var(--primary-color);
    padding: 0;
}

.layui-nav .layui-nav-item {
    line-height: 60px;
}

.layui-nav .layui-nav-item a {
    color: rgba(255,255,255,.7);
}

.layui-nav .layui-nav-item a:hover,
.layui-nav .layui-this a {
    color: #fff;
}

.layui-nav .layui-this:after,
.layui-nav-bar {
    background-color: #fff;
    height: 3px;
}

/* 导航子菜单样式 */
.layui-nav .layui-nav-child {
    background-color: #fff;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    top: 55px;
}

.layui-nav .layui-nav-child a {
    color: #333 !important;
}

.layui-nav .layui-nav-child a:hover {
    background-color: #f8f9fa;
}

/* 消息通知样式 */
.notice-link {
    position: relative;
    padding: 0 15px;
}

.notice-link .layui-icon {
    font-size: 20px;
}

.notice-dot {
    position: absolute;
    top: 10px;
    right: 5px;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    padding: 0 4px;
    border-radius: 16px;
    background-color: #ff5722;
    color: #fff;
    text-align: center;
    font-size: 12px;
    display: none;
}

.notice-dot.active {
    display: block;
}

/* 右侧用户信息 */
.layui-nav-img {
    width: 30px;
    height: 30px;
    margin: -2px 5px 0 0;
    vertical-align: middle;
}

/* 移动端菜单按钮 */
.menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    color: #fff;
    cursor: pointer;
}

/* 移动端底部导航 */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: #fff;
    box-shadow: 0 -1px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 5px 0;
    list-style: none;
    margin: 0;
    
    display: none;
    justify-content: space-around;
    align-items: center;
}

.mobile-nav li {
    flex: 1;
    text-align: center;
}

.mobile-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #666;
    font-size: 12px;
    gap: 2px;
}

.mobile-nav i {
    font-size: 20px;
}

.mobile-nav a.active {
    color: var(--primary-color);
}

.mobile-nav a.active i {
    color: var(--primary-color);
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .header .layui-container {
        padding: 0 15px;
    }
    
    .header-logo h1 {
        font-size: 16px;
    }
    
    .menu-btn {
        display: block;
    }
    
    .layui-nav.layui-layout-left,
    .layui-nav.layui-layout-right {
        display: none;
    }
    
    .mobile-nav {
        display: flex;
    }
    
    /* 主内容区域底部留出空间 */
    .main-container {
        padding-bottom: 60px;
    }
}

/* 主题变量 */
:root {
    --primary-color: #009688;
}

/* 主题切换按钮 */
#themeBtn {
    padding: 0 15px;
}

#themeBtn .layui-icon {
    font-size: 20px;
}

/* 主题列表样式 */
.theme-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 15px;
}

.theme-item {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
}

.theme-item:hover {
    transform: scale(1.1);
}

/* 移动端主题按钮 */
.theme-btn {
    display: none;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    color: #fff;
    cursor: pointer;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    #themeBtn {
        padding: 0 10px;
    }
    #menuBtn {
        display: none;
    }
    #mobileThemeBtn {
        display: block !important;
    }
}

/* 修复子菜单样式 */
.layui-nav .layui-nav-child {
    top: 55px;
}

.layui-nav .layui-nav-more {
    border-color: rgba(255,255,255,.7) transparent transparent;
}

.layui-nav .layui-nav-mored {
    border-color: transparent transparent rgba(255,255,255,.7);
}

/* 右侧导航样式修复 */
.layui-nav.layui-layout-right {
    height: 60px;
    overflow: visible;
}

.layui-nav.layui-layout-right .layui-nav-item {
    height: 60px;
}

/* 子菜单位置修复 */
.layui-nav.layui-layout-right .layui-nav-child {
    top: 60px;
    left: auto;
    right: 0;
    min-width: 100%;
}

/* 用户头像垂直居中 */
.layui-nav-img {
    width: 30px;
    height: 30px;
    margin: -2px 5px 0 0;
    vertical-align: middle;
}