/* 智能数据管理系统 - 企业深蓝主题 */
:root {
    --brand-sidebar: #1e293b;
    --brand-sidebar-hover: #334155;
    --brand-primary: #2563eb;
    --brand-primary-hover: #1d4ed8;
    --brand-accent: #3b82f6;
    --brand-body: #f1f5f9;
    --brand-header: #0f172a;
    --brand-text: #e2e8f0;
}

body {
    background-color: var(--brand-body);
}

/* 顶栏 */
.layui-layout-admin .layui-header {
    background-color: var(--brand-header);
}

.layui-layout-admin .layui-logo {
    color: #fff !important;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    background-color: var(--brand-sidebar) !important;
}

.layui-layout-admin .layui-header .layui-nav .layui-nav-item > a {
    color: var(--brand-text);
}

.layui-layout-admin .layui-header .layui-nav .layui-this:after,
.layui-layout-admin .layui-header .layui-nav-bar {
    background-color: var(--brand-primary);
}

/* 侧栏 */
.layui-layout-admin .layui-side,
.layui-side.layui-bg-black {
    background-color: var(--brand-sidebar) !important;
}

.layui-nav.layui-nav-tree {
    background-color: transparent !important;
}

.layui-nav-tree .layui-nav-item > a {
    color: var(--brand-text) !important;
}

.layui-nav-tree .layui-nav-item > a:hover {
    background-color: var(--brand-sidebar-hover) !important;
}

.layui-nav-tree .layui-nav-child dd.layui-this,
.layui-nav-tree .layui-nav-child dd.layui-this a,
.layui-nav-tree .layui-this > a,
.layui-nav-tree .layui-this > a:hover {
    background-color: var(--brand-primary) !important;
    color: #fff !important;
}

.layui-nav-tree .layui-nav-bar {
    background-color: var(--brand-accent) !important;
}

.layui-nav-tree .layui-nav-itemed > a {
    color: #fff !important;
}

.layui-nav-tree .layui-nav-child {
    background-color: #0f172a !important;
}

.layui-nav-tree .layui-nav-child a {
    color: #94a3b8 !important;
}

.layui-nav-tree .layui-nav-child a:hover {
    background-color: var(--brand-sidebar-hover) !important;
    color: #fff !important;
}

/* 主按钮 / 主题色覆盖 Layui 默认青绿 */
.layui-btn {
    background-color: var(--brand-primary);
}

.layui-btn:hover {
    background-color: var(--brand-primary-hover);
    opacity: 1;
}

.layui-btn-primary {
    border-color: #cbd5e1;
    background-color: #fff;
    color: #334155;
}

.layui-btn-primary:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    background-color: #fff;
}

.layui-btn-normal {
    background-color: var(--brand-accent);
}

.layui-btn-warm {
    background-color: #f59e0b;
}

.layui-btn-danger {
    background-color: #ef4444;
}

.layui-bg-blue,
.layui-badge-rim {
    background-color: var(--brand-primary) !important;
}

/* 表单焦点 */
.layui-input:focus,
.layui-textarea:focus,
.layui-select:focus {
    border-color: var(--brand-primary) !important;
}

.layui-form-checked[lay-skin=primary] i,
.layui-form-checked span,
.layui-form-onswitch {
    border-color: var(--brand-primary) !important;
}

.layui-form-onswitch {
    background-color: var(--brand-primary) !important;
}

.layui-form-radioed > i,
.layui-form-radio > i:hover {
    color: var(--brand-primary) !important;
}

.layui-form-checked[lay-skin=primary] i {
    background-color: var(--brand-primary) !important;
}

.layui-laypage .layui-laypage-curr .layui-laypage-em {
    background-color: var(--brand-primary) !important;
}

.layui-tab-brief > .layui-tab-title .layui-this {
    color: var(--brand-primary) !important;
}

.layui-tab-brief > .layui-tab-more li.layui-this:after,
.layui-tab-brief > .layui-tab-title .layui-this:after {
    border-bottom-color: var(--brand-primary) !important;
}

.layui-table thead tr {
    background-color: #e2e8f0;
}

.layui-elem-quote {
    border-left-color: var(--brand-primary);
}

.layui-progress-bar {
    background-color: var(--brand-primary);
}

/* 内容区微调 */
.layui-layout-admin .layui-body {
    background-color: var(--brand-body);
}

.layui-card {
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}