/* 主框架公共样式 */
html {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    height: 100%;
}

/* 安全区域支持 */
@supports (padding-top: env(safe-area-inset-top)) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

.main-wrapper {
    margin: 0 auto;
    background-color: #fcfcfc;
    height: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* 统一滚动条样式 */
.custom-scrollbar::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(156, 163, 175, 0.4);
    border-radius: 2px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(156, 163, 175, 0.6);
}

.custom-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: rgba(156, 163, 175, 0.4) transparent;
}

/* 侧边栏遮罩 */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 998;
}

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

/* 侧边栏 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    background-color: #fcfcfc;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    display: flex;
    flex-direction: column;
    overflow: visible;
}

/* 侧边栏安全区域支持 */
@supports (padding-top: env(safe-area-inset-top)) {
    .sidebar {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

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

.sidebar-header {
    padding: 0 16px;
    border-bottom: 1px solid rgba(209, 213, 219, 0.5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-title {
    font-weight: 600;
    color: #333;
}

.sidebar-close {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 4px;
}

.sidebar-menu {
    flex: 1;
    padding: 8px 0;
    overflow-y: auto;
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: 8px 0;
    border-top: 1px solid rgba(209, 213, 219, 0.5);
    position: relative;
}

.sidebar-item {
    display: flex;
    align-items: center;
    color: #333;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sidebar-item:hover {
    background-color: #e8f0ff;
    color: #3d6dff;
}

.sidebar-item.active {
    background-color: #e8f0ff;
    color: #3d6dff;
}

.sidebar-item i {
    text-align: center;
}

.sidebar-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 子菜单箭头 */
.sidebar-arrow {
    margin-left: auto;
    font-size: 12px;
    transition: transform 0.2s ease;
}

.sidebar-item.expanded .sidebar-arrow {
    transform: rotate(180deg);
}

/* 子菜单容器 */
.sidebar-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: #f8f9fa;
}

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

/* 子菜单项 */
.sidebar-subitem {
    display: flex;
    align-items: center;
    color: #555;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sidebar-subitem:hover {
    background-color: #e0e7ff;
    color: #3d6dff;
}

.sidebar-subitem.active {
    background-color: #e0e7ff;
    color: #3d6dff;
    font-weight: 500;
}

.sidebar-subitem i {
    text-align: center;
    font-size: 14px;
}

.sidebar-subitem span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 登录账户子导航项容器 */
.login-subnav {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    background-color: #fcfcfc;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 10;
}

.login-subnav.expanded {
    max-height: 200px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

/* 子导航项样式 - 与主导航项完全一致 */
.sidebar-subitem {
    display: flex;
    align-items: center;
    color: #333;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sidebar-subitem:hover {
    background-color: #e8f0ff;
    color: #3d6dff;
}

.sidebar-subitem i {
    text-align: center;
}

/* 子导航退出图标 */
.sidebar-subitem .subnav-logout {
    margin-left: auto;
    color: #999;
    font-size: 13px;
    padding: 4px 6px;
    border-radius: 4px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.sidebar-subitem .subnav-logout:hover {
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
}

/* 渐变分隔线 */
.gradient-divider-bottom::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, transparent 10%, rgba(209, 213, 219, 0.8) 35%, rgba(209, 213, 219, 0.8) 65%, transparent 90%, transparent);
}

.gradient-divider-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, transparent 10%, rgba(209, 213, 219, 0.8) 35%, rgba(209, 213, 219, 0.8) 65%, transparent 90%, transparent);
}

/* 主题色 */
.ds-blue { color: #3d6dff; }
.ds-bg-blue { background-color: #3d6dff; }

/* 开发中占位 */
.dev-placeholder {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: #999;
}

.dev-placeholder.active {
    display: flex;
}

.dev-placeholder i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: #ddd;
}