/* site.css —— 简洁清爽的主题样式 */
:root {
    --hm-bg: #f5f7fa;
    --hm-side: #1f2d3d;
}

body {
    background: var(--hm-bg);
    font-size: 14px;
}

.navbar-brand { font-weight: 600; letter-spacing: .5px; }

.sidebar {
    background: var(--hm-side);
    min-height: calc(100vh - 56px);
    border-radius: 0 8px 8px 0;
}

.sidebar .nav-link {
    color: #cdd9e5;
    padding: .55rem 1rem;
    border-radius: 6px;
    margin: .15rem .5rem;
}

.sidebar .nav-link:hover { background: #2c3e50; color: #fff; }
.sidebar .nav-link.active { background: #0d6efd; color: #fff; }

.card { border: none; box-shadow: 0 1px 3px rgba(0,0,0,.06); border-radius: 10px; }
.card-header { background: #fff; border-bottom: 1px solid #eef1f4; font-weight: 600; }

.table th { background: #fafbfc; font-weight: 600; }
.badge-abn { background: #dc3545; }
.badge-warn { background: #fd7e14; }
.badge-ok { background: #198754; }

.stat-card { transition: .15s; }
.stat-card:hover { transform: translateY(-2px); }

.btn-sm { border-radius: 6px; }
form.inline { display: inline; }