/* sidebar.css - 侧边栏通用样式（无顶部导航栏） */

:root {
    --primary-color: #fb7299;
    --primary-hover: #fc8bab;
    --bg-color: #f8f8f8;
    --card-bg: #ffffff;
    --text-color: #333333;
    --border-color: #e6e6e6;
    --sidebar-width: 240px;
    --header-height: 60px;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text-color);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 侧边栏样式 */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--sidebar-width);
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%);
    transition: transform var(--transition-speed);
    z-index: 1000;
    overflow-y: auto;
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    color: var(--primary-color);
    font-size: 18px;
    font-weight: bold;
}

.sidebar-menu {
    padding: 20px 0;
}

.sidebar-menu ul {
    list-style: none;
}

.sidebar-menu li {
    padding: 0;
}

.sidebar-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: rgba(251, 114, 153, 0.1);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.sidebar-menu i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* 菜单按钮样式 - 同时适用于移动端和大屏幕 */
.navbar-toggler, .sidebar-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    z-index: 999;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar-toggler {
    position: fixed;
    top: 15px;
    left: 15px;
}

.navbar-toggler:focus, .sidebar-toggle:focus {
    outline: none;
}

/* 汉堡菜单图标 */
.menu-icon {
    width: 24px;
    height: 20px;
    position: relative;
    cursor: pointer;
}

.menu-icon span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--text-color);
    border-radius: 2px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}

.menu-icon span:nth-child(1) {
    top: 0px;
}

.menu-icon span:nth-child(2), .menu-icon span:nth-child(3) {
    top: 9px;
}

.menu-icon span:nth-child(4) {
    top: 18px;
}

/* 汉堡菜单激活状态 */
.menu-icon.open span:nth-child(1) {
    top: 9px;
    width: 0%;
    left: 50%;
}

.menu-icon.open span:nth-child(2) {
    transform: rotate(45deg);
}

.menu-icon.open span:nth-child(3) {
    transform: rotate(-45deg);
}

.menu-icon.open span:nth-child(4) {
    top: 9px;
    width: 0%;
    left: 50%;
}

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 主内容区域 */
.main-container {
    padding: 20px 15px 30px; /* 减少顶部填充，因为没有顶部导航栏 */
    max-width: 1000px;
    margin: 0 auto;
    transition: padding-left var(--transition-speed);
}

@media (min-width: 992px) {
    .sidebar {
        transform: translateX(0);
    }

    .main-container {
        max-width: 1000px;
        margin: 0 auto 0 calc(var(--sidebar-width) + 20px);
        width: calc(100% - var(--sidebar-width) - 40px);
    }

    body.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
    }

    body.sidebar-collapsed .main-container {
        width: 100%;
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
    }

    .navbar-toggler {
        display: none;
    }

    .overlay {
        display: none;
    }

    /* 侧边栏切换按钮 - 仅在大屏幕显示 */
    .sidebar-toggle {
        position: fixed;
        left: var(--sidebar-width);
        top: 10px;
        transform: translateX(30px);
        transition: left var(--transition-speed);
    }

    body.sidebar-collapsed .sidebar-toggle {
        left: 0;
        transform: translateX(30px);
    }
}

/* 小屏幕适配 */
@media (max-width: 991px) {
    .sidebar-toggle {
        display: none;
    }

    .navbar-toggler {
        display: flex; /* 确保移动端按钮显示 */
    }

    /* 确保主容器在小屏幕上有适当的顶部间距，以免内容被菜单按钮遮挡 */
    .main-container {
        padding-top: 60px;
    }
}