/**
 * SB Admin 2 风格自定义样式
 * 模仿emlog后台管理设计
 */

/* 主要布局 */
body {
    background-color: #f8f9fc;
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

#wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
}

/* 侧边栏 */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, #4e73df 10%, #224abe 100%);
    color: #fff;
    transition: all 0.3s;
    /* 高度由导航项与展开的子菜单自然撑开，随按钮增减/子菜单展开而伸缩 */
    position: sticky;
    top: 0;
    height: auto;
    align-self: flex-start;
}

.sidebar .sidebar-brand {
    padding: 1.15rem 1.5rem;
    text-align: center;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: .05rem;
    text-transform: uppercase;
    z-index: 1;
}

.sidebar .sidebar-heading {
    padding: 0 1.5rem;
    font-weight: 800;
    font-size: .65rem;
    letter-spacing: .13rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .4);
}

.sidebar .nav-item {
    position: relative;
}

.sidebar .nav-item .nav-link {
    display: block;
    width: 100%;
    text-align: left;
    padding: .75rem 1rem;
    color: rgba(255, 255, 255, .8);
    text-decoration: none;
    border-left: 3px solid transparent;
}

.sidebar .nav-item .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .1);
    border-left: 3px solid #fff;
}

.sidebar .nav-item.active .nav-link {
    color: #fff;
    background: rgba(255, 255, 255, .1);
    border-left: 3px solid #fff;
}

.sidebar .nav-item .nav-link i {
    margin-right: .5rem;
    font-size: .85rem;
}

/* 主内容区域 */
#content-wrapper {
    flex: 1;
    overflow-x: hidden;
}

.container-fluid {
    padding: 1.5rem 1rem;
}

/* 头部导航 */
.topbar {
    height: 4.375rem;
    background: #fff;
    box-shadow: 0 .15rem 1.75rem 0 rgba(58, 59, 69, .15);
    border-bottom: 1px solid #e3e6f0;
}

.topbar .navbar-nav {
    flex-direction: row;
}

.topbar .nav-item .nav-link {
    color: #d1d3e2;
    padding: 0 .75rem;
}

.topbar .nav-item .nav-link:hover {
    color: #b7b9cc;
}

/* 卡片 */
.card {
    box-shadow: 0 .15rem 1.75rem 0 rgba(58, 59, 69, .15);
    border: 1px solid #e3e6f0;
    border-radius: .35rem;
    margin-bottom: 1.5rem;
}

.card .card-header {
    padding: .75rem 1.25rem;
    margin-bottom: 0;
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
    font-weight: 700;
    color: #4e73df;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .1rem;
}

.card .card-body {
    padding: 1.25rem;
}

/* 表单样式 */
.form-group label {
    font-weight: 600;
    color: #5a5c69;
    margin-bottom: .5rem;
}

.form-control {
    border: 1px solid #d1d3e2;
    border-radius: .35rem;
    padding: .375rem .75rem;
    font-size: .875rem;
    color: #6e707e;
    background-color: #fff;
    font-weight: 400;
    line-height: 1.5;
}

.form-control:focus {
    color: #6e707e;
    background-color: #fff;
    border-color: #bac8f3;
    outline: 0;
    box-shadow: 0 0 0 .2rem rgba(78, 115, 223, .25);
}

/* 按钮 */
.btn {
    display: inline-block;
    font-weight: 400;
    color: #858796;
    text-align: center;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: .875rem;
    line-height: 1.5;
    border-radius: .35rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #4e73df;
    border-color: #4e73df;
}

.btn-primary:hover {
    color: #fff;
    background-color: #2e59d9;
    border-color: #2e59d9;
}

.btn-success {
    color: #fff;
    background-color: #1cc88a;
    border-color: #1cc88a;
}

.btn-success:hover {
    color: #fff;
    background-color: #17a673;
    border-color: #169b6b;
}

/* 统计卡片 */
.stat-card {
    padding: 1.5rem;
    border-radius: .35rem;
    box-shadow: 0 .15rem 1.75rem 0 rgba(58, 59, 69, .15);
    background: #fff;
    margin-bottom: 1.5rem;
}

.stat-card .icon {
    font-size: 2rem;
    color: #ddd;
}

.stat-card.primary {
    border-left: .25rem solid #4e73df;
}

.stat-card.success {
    border-left: .25rem solid #1cc88a;
}

.stat-card.warning {
    border-left: .25rem solid #f6c23e;
}

.stat-card.danger {
    border-left: .25rem solid #e74a3b;
}

/* 表格 */
.table {
    width: 100%;
    margin-bottom: 1rem;
    color: #858796;
    background-color: transparent;
}

.table th,
.table td {
    padding: .75rem;
    vertical-align: top;
    border-top: 1px solid #e3e6f0;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #e3e6f0;
    background-color: #f8f9fc;
    font-weight: 700;
    color: #4e73df;
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        width: 6rem;
    }
    
    .sidebar .nav-link span {
        display: none;
    }
    
    .sidebar .nav-link i {
        font-size: 1rem;
        margin-right: 0;
    }
}