/**
 * FastAdmin 侧边栏菜单 - 方案1改进版 v5（2026-09-14 第四轮界面升级）
 * 一级菜单特大亮色 + 二级特大 + 三级亮黄右对齐 + 动效明显化
 * 动效清单：悬停位移6px/图标放大1.3x/内外双发光/级联入场加大/字距扩展
 */

/* ========== 一级菜单样式（特大 + 亮色区分） ========== */
.sidebar-menu > li {
    margin: 5px 0 !important;
}

/* 隐藏一级菜单的展开/折叠箭头 */
.sidebar-menu > li > a > .pull-right-container {
    display: none !important;
}

.sidebar-menu > li > a {
    padding: 18px 15px 18px 12px !important; /* 高度 18px */
    font-size: 20px !important; /* 特大 20px */
    font-weight: 700 !important;
    color: #eef6fc !important; /* 一级亮白微蓝文字，与二级暗淡文字区分 */
    background-color: rgba(255, 255, 255, 0.05) !important; /* 一级亮底条，与二级深底容器形成颜色对比 */
    border-left: 4px solid transparent !important;
    transition: all 0.3s ease !important;
}

/* 一级菜单图标：亮蓝色点缀 */
.sidebar-menu > li > a > .fa,
.sidebar-menu > li > a > .glyphicon,
.sidebar-menu > li > a > .ion {
    font-size: 19px !important;
    color: #6ec1ff !important; /* 亮蓝图标点缀 */
    transition: transform 0.3s ease, color 0.3s ease !important;
}

/* 一级菜单悬停：左边框亮起 + 明显右移6px + 字距扩展 + 图标大放大 */
.sidebar-menu > li:hover > a {
    border-left-color: #3c8dbc !important;
    background-color: rgba(60, 141, 188, 0.22) !important;
    padding-left: 18px !important;
    letter-spacing: 0.5px !important;
}

.sidebar-menu > li:hover > a > .fa,
.sidebar-menu > li:hover > a > .glyphicon,
.sidebar-menu > li:hover > a > .ion {
    transform: scale(1.3) !important;
    color: #a8d8ff !important;
}

/* 一级菜单激活：左边框 + 内外双发光 */
.sidebar-menu > li.active > a {
    border-left-color: #3c8dbc !important;
    background-color: rgba(60, 141, 188, 0.32) !important;
    color: #fff !important;
    box-shadow: inset 0 0 18px rgba(60, 141, 188, 0.35), 0 0 10px rgba(60, 141, 188, 0.3) !important;
}

.sidebar-menu > li.active > a > .fa,
.sidebar-menu > li.active > a > .glyphicon,
.sidebar-menu > li.active > a > .ion {
    color: #fff !important;
}

/* ========== 二级菜单容器 ========== */
.sidebar-menu .treeview-menu {
    padding-left: 0 !important;
    margin: 5px 0 8px 0 !important;
    background-color: rgba(0, 0, 0, 0.08) !important;
    border-radius: 4px !important;
}

/* ========== 二级菜单项基础样式（特大化） ========== */
.sidebar-menu .treeview-menu > li {
    margin: 2px 0 !important;
    position: relative !important;
    padding-left: 0 !important;
}

.sidebar-menu .treeview-menu > li > a {
    display: flex !important;
    align-items: center !important;
    padding: 15px 15px 15px 14px !important;
    font-size: 19px !important;
    font-weight: 500 !important;
    color: rgba(255, 255, 255, 0.68) !important; /* 调暗以与一级亮色区分 */
    position: relative !important;
    transition: all 0.3s ease !important;
    margin-left: 0 !important;
}

/* 二级菜单左侧箭头指示符 - 隐藏 */
.sidebar-menu .treeview-menu > li > a:before {
    display: none !important;
}

/* ========== 二级菜单图标样式 ========== */
.sidebar-menu .treeview-menu > li > a > .fa,
.sidebar-menu .treeview-menu > li > a > .glyphicon,
.sidebar-menu .treeview-menu > li > a > .ion {
    margin-right: 8px !important;
    margin-left: 5px !important;
    width: 22px !important;
    text-align: center !important;
    font-size: 18px !important;
    opacity: 0.85 !important;
    transition: transform 0.3s ease, opacity 0.3s ease !important;
}

/* 二级悬停：背景亮起 + 明显右移6px + 图标大放大 */
.sidebar-menu .treeview-menu > li > a:hover {
    color: #fff !important;
    background-color: rgba(60, 141, 188, 0.28) !important;
    padding-left: 20px !important;
}

.sidebar-menu .treeview-menu > li > a:hover > .fa,
.sidebar-menu .treeview-menu > li > a:hover > .glyphicon,
.sidebar-menu .treeview-menu > li > a:hover > .ion {
    transform: scale(1.25) !important;
    opacity: 1 !important;
}

/* 二级激活：高亮背景 + 加粗 */
.sidebar-menu .treeview-menu > li.active > a {
    color: #fff !important;
    background-color: rgba(60, 141, 188, 0.42) !important;
    font-weight: 600 !important;
}

/* 激活状态的右侧发光指示条 */
.sidebar-menu .treeview-menu > li.active > a:after {
    content: '' !important;
    position: absolute !important;
    right: 0 !important;
    top: 0 !important;
    bottom: 0 !important;
    width: 3px !important;
    background-color: #3c8dbc !important;
    box-shadow: 0 0 8px rgba(60, 141, 188, 0.7) !important;
}

/* ========== 三级菜单（亮黄色 + 右对齐） ========== */
.sidebar-menu .treeview-menu .treeview-menu {
    padding-left: 0 !important;
}

.sidebar-menu .treeview-menu .treeview-menu > li > a {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important; /* 三级内容整体右对齐 */
    padding: 13px 20px 13px 10px !important; /* 缩进改为右侧留白 */
    font-size: 18px !important;
    font-weight: 500 !important;
    color: #ffd83d !important; /* 亮黄色文字 */
    position: relative !important;
    transition: all 0.3s ease !important;
}

.sidebar-menu .treeview-menu .treeview-menu > li > a:before {
    display: none !important;
}

/* 三级图标：同步亮黄 */
.sidebar-menu .treeview-menu .treeview-menu > li > a > .fa,
.sidebar-menu .treeview-menu .treeview-menu > li > a > .glyphicon,
.sidebar-menu .treeview-menu .treeview-menu > li > a > .ion {
    margin-right: 6px !important;
    width: 20px !important;
    text-align: center !important;
    font-size: 17px !important;
    color: #ffd83d !important;
    opacity: 0.9 !important;
    transition: transform 0.3s ease, opacity 0.3s ease !important;
}

/* 三级悬停：更亮黄 + 淡黄背景 */
.sidebar-menu .treeview-menu .treeview-menu > li > a:hover {
    color: #ffec9e !important;
    background-color: rgba(255, 216, 61, 0.12) !important;
    padding-right: 24px !important; /* 悬停左移4px动效 */
}

.sidebar-menu .treeview-menu .treeview-menu > li > a:hover > .fa,
.sidebar-menu .treeview-menu .treeview-menu > li > a:hover > .glyphicon,
.sidebar-menu .treeview-menu .treeview-menu > li > a:hover > .ion {
    transform: scale(1.2) !important;
    opacity: 1 !important;
}

/* 三级激活：更亮黄 + 黄色右侧指示条 */
.sidebar-menu .treeview-menu .treeview-menu > li.active > a {
    color: #ffec9e !important;
    background-color: rgba(255, 216, 61, 0.16) !important;
    font-weight: 600 !important;
}

.sidebar-menu .treeview-menu .treeview-menu > li.active > a:after {
    content: '' !important;
    position: absolute !important;
    right: 0 !important;
    top: 0 !important;
    bottom: 0 !important;
    width: 3px !important;
    background-color: #ffd83d !important;
    box-shadow: 0 0 8px rgba(255, 216, 61, 0.7) !important;
}

/* ========== 展开/折叠动画优化（幅度加大） ========== */
.sidebar-menu li.treeview-open > .treeview-menu {
    animation: slideDown 0.35s ease;
}

/* 二级菜单项级联入场（逐项右滑淡入，位移加大） */
.sidebar-menu li.treeview-open > .treeview-menu > li {
    animation: fadeInRight 0.35s ease both !important;
}
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(1) { animation-delay: 0.04s !important; }
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(2) { animation-delay: 0.08s !important; }
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(3) { animation-delay: 0.12s !important; }
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(4) { animation-delay: 0.16s !important; }
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(5) { animation-delay: 0.20s !important; }
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(6) { animation-delay: 0.24s !important; }
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(7) { animation-delay: 0.28s !important; }
.sidebar-menu li.treeview-open > .treeview-menu > li:nth-child(8) { animation-delay: 0.32s !important; }

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 1600px;
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-16px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========== 移动端适配 ========== */
@media (max-width: 767px) {
    .sidebar-menu > li > a {
        padding: 15px 10px !important;
        font-size: 18px !important;
    }

    .sidebar-menu > li:hover > a {
        padding-left: 10px !important; /* 移动端关闭悬停位移 */
        letter-spacing: normal !important;
    }

    .sidebar-menu .treeview-menu > li > a {
        padding-left: 14px !important;
        font-size: 17px !important;
    }

    .sidebar-menu .treeview-menu > li > a:hover {
        padding-left: 14px !important; /* 移动端关闭悬停位移 */
    }

    .sidebar-menu .treeview-menu .treeview-menu > li > a {
        padding: 12px 14px 12px 10px !important;
        font-size: 16px !important;
    }

    .sidebar-menu .treeview-menu .treeview-menu > li > a:hover {
        padding-right: 14px !important;
    }

    /* 移动端关闭级联入场，保证性能 */
    .sidebar-menu li.treeview-open > .treeview-menu > li {
        animation: none !important;
    }
}

/* ========== 深色主题优化 ========== */
.skin-black .sidebar-menu .treeview-menu,
.skin-blue .sidebar-menu .treeview-menu {
    background-color: rgba(0, 0, 0, 0.15) !important;
}

.skin-black .sidebar-menu .treeview-menu > li > a,
.skin-blue .sidebar-menu .treeview-menu > li > a {
    color: rgba(138, 164, 175, 0.65) !important; /* 二级暗淡，与一级亮色区分 */
}

.skin-black .sidebar-menu .treeview-menu > li > a:hover,
.skin-blue .sidebar-menu .treeview-menu > li > a:hover {
    color: #fff !important;
}

/* 三级菜单亮黄不受深色主题覆盖（同级后置规则压制） */
.skin-black .sidebar-menu .treeview-menu .treeview-menu > li > a,
.skin-blue .sidebar-menu .treeview-menu .treeview-menu > li > a {
    color: #ffd83d !important;
}

.skin-black .sidebar-menu .treeview-menu .treeview-menu > li > a:hover,
.skin-blue .sidebar-menu .treeview-menu .treeview-menu > li > a:hover {
    color: #ffec9e !important;
}

/* ========== 视觉二级（DOM树深3）居中 + 白色（2026-09-14 用户定版） ========== */
.sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a,
.skin-black .sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a,
.skin-blue .sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a,
.skin-black-blue .sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a {
    justify-content: center !important;
    color: #fff !important;
    padding: 13px 10px !important;
    font-size: 18px !important;
    font-weight: 500 !important;
}

.sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a > .fa,
.sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a > .glyphicon,
.sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a > .ion,
.skin-black-blue .sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a > .fa,
.skin-black-blue .sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a > .glyphicon {
    color: #fff !important;
}

.sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a:hover,
.skin-black-blue .sidebar-menu > li > .treeview-menu > li > .treeview-menu > li > a:hover {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.08) !important;
    padding: 13px 10px !important;
}

.sidebar-menu > li > .treeview-menu > li > .treeview-menu > li.active > a,
.skin-black-blue .sidebar-menu > li > .treeview-menu > li > .treeview-menu > li.active > a {
    color: #fff !important;
    background-color: rgba(60, 141, 188, 0.42) !important;
}

.sidebar-menu > li > .treeview-menu > li > .treeview-menu > li.active > a:after {
    background-color: #3c8dbc !important;
    box-shadow: 0 0 8px rgba(60, 141, 188, 0.7) !important;
}