body.admin-body {
    padding-top: 0;
    background: #f4f6f8;
    color: #263238;
}

.admin-body input,
.admin-body select,
.admin-body textarea {
    max-width: none;
}

.admin-shell {
    min-height: 100vh;
    display: flex;
}

.admin-sidebar {
    width: 260px;
    background: #1f2933;
    color: #fff;
    flex-shrink: 0;
}

.admin-brand {
    height: 64px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px;
    font-size: 18px;
    font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.admin-menu {
    padding: 12px;
}

.admin-menu a {
    color: #dbe3ea;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border-radius: 6px;
    text-decoration: none;
    margin-bottom: 4px;
}

.admin-menu a:hover,
.admin-menu a:focus {
    color: #fff;
    background: #334e68;
    text-decoration: none;
}

.admin-menu-toggle {
    display: none;
    margin: 12px;
}

.admin-main {
    flex: 1;
    min-width: 0;
    padding: 22px;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.admin-topbar h1 {
    font-size: 24px;
    line-height: 1.3;
    margin: 0;
    font-weight: 600;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.admin-card,
.filter-card {
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.filter-card .form-control {
    min-width: 120px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.stat-card {
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 16px;
}

.stat-card .stat-label {
    color: #627d98;
    font-size: 13px;
}

.stat-card .stat-value {
    color: #102a43;
    font-size: 30px;
    font-weight: 700;
}

.table-responsive {
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 8px;
}

.table > tbody > tr > td {
    vertical-align: middle;
}

.timeline {
    border-left: 3px solid #bcccdc;
    margin-left: 10px;
    padding-left: 18px;
}

.timeline-item {
    position: relative;
    margin-bottom: 16px;
}

.timeline-item:before {
    content: "";
    position: absolute;
    left: -27px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #0f609b;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px #bcccdc;
}

.muted-row {
    color: #829ab1;
}

.admin-public {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: #eef2f6;
}

.admin-public-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 16px 36px rgba(15, 23, 42, .12);
}

.admin-public-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    margin-bottom: 18px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 20px;
}

.detail-grid dt {
    color: #627d98;
    font-weight: 600;
}

.detail-grid dd {
    margin-bottom: 10px;
}

@media (max-width: 900px) {
    .admin-shell {
        display: block;
    }

    .admin-sidebar {
        width: 100%;
    }

    .admin-menu-toggle {
        display: inline-block;
    }

    .admin-menu {
        padding-top: 0;
    }

    .admin-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-user {
        width: 100%;
        justify-content: space-between;
        white-space: normal;
    }

    .stat-grid {
        grid-template-columns: repeat(2, minmax(130px, 1fr));
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .admin-main {
        padding: 14px;
    }

    .stat-grid {
        grid-template-columns: 1fr;
    }
}