/* 通用样式 - 侧边栏菜单 */
/* 只包含侧边栏和菜单相关样式 */

/* ========== 侧边栏布局 ========== */
.sidebar {
    width: 200px;
    background: #ffffff;
    color: rgba(0, 0, 0, 0.8);
    padding: 20px 0;
    transition: width 0.3s ease;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.sidebar.collapsed {
    width: 60px;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header img {
    height: 40px;
    width: auto;
}

.toggle-btn {
    cursor: pointer;
    font-size: 16px;
    padding: 5px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.05);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    content: '☰';
}

.toggle-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* ========== 菜单列表 ========== */
.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-top: 20px;
}

.sidebar-menu li {
    color: rgba(0, 0, 0, 0.8);
    padding: 12px 20px;
    cursor: pointer;
    position: relative;
    border-radius: 12px;
    font-size: 14px;
    transition: all 0.2s ease;
}

.sidebar-menu li:hover {
    background: rgba(64, 104, 248, 0.05);
}

.sidebar-menu > li.active {
    background: transparent;
}

.sidebar-menu .menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: inherit;
}

.sidebar-menu .menu-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: rgba(0, 0, 0, 0.6);
}

.sidebar-menu .menu-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.sidebar-menu .arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
    color: rgba(0, 0, 0, 0.5);
    margin-left: auto;
}

.sidebar-menu li.active .arrow {
    color: rgba(0, 0, 0, 0.5);
    transform: rotate(180deg);
}

/* 二级菜单 */
.sidebar-menu .submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: 0;
    margin-top: 8px;
    font-size: 14px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.sidebar-menu .submenu.expanded {
    max-height: 500px;
}

.sidebar-menu .submenu li {
    padding: 10px 25px;
    margin-bottom: 8px;
    font-size: 14px;
    border-radius: 8px;
}

.sidebar-menu .submenu li:last-child {
    margin-bottom: 0;
}

.sidebar-menu .submenu > li.active:not(.submenu-parent) {
    background: rgba(64, 104, 248, 0.95);
    border-radius: 8px;
    color: white;
}

.sidebar-menu .submenu > li.active:not(.submenu-parent) a {
    color: white;
}

/* 三级菜单 */
.sidebar-menu .submenu .submenu-parent {
    padding: 0;
    background: transparent;
}

.sidebar-menu .submenu .submenu-parent .menu-item {
    padding: 10px 25px;
    cursor: pointer;
    color: rgba(0, 0, 0, 0.8);
}

.sidebar-menu .submenu .submenu-parent .menu-item:hover {
    background: rgba(64, 104, 248, 0.1);
}

.sidebar-menu .submenu .submenu-parent.active .menu-item {
    background: transparent;
    color: rgba(0, 0, 0, 0.9);
}

.sidebar-menu .submenu .submenu-parent.active .menu-item .arrow {
    color: rgba(0, 0, 0, 0.5);
}

.sidebar-menu .submenu .submenu-parent .submenu {
    margin-left: 10px;
}

.sidebar-menu .submenu .submenu-parent .submenu li {
    padding: 8px 30px;
    font-size: 14px;
}

.sidebar-menu .submenu .submenu-parent .submenu li.active {
    background: rgba(64, 104, 248, 0.95);
    border-radius: 8px;
    color: white;
}

.sidebar-menu .submenu .submenu-parent .submenu li.active a {
    color: white;
}

/* 链接样式 */
.sidebar-menu a {
    text-decoration: none;
    color: inherit;
    display: block;
    width: 100%;
}

/* 折叠状态 */
.sidebar.collapsed .sidebar-header img {
    display: none;
}

.sidebar.collapsed .menu-item span {
    display: none;
}

.sidebar.collapsed .menu-item .arrow {
    display: none;
}

.sidebar.collapsed .submenu {
    display: none !important;
}