.admin-lesson-groups-page .navbar-bg {
    background-color: #000080;
}

.admin-lesson-groups-page .section-header h1 {
    color: #30375b;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.admin-lesson-groups-page .section-header-breadcrumb .breadcrumb-item {
    font-size: 16px;
}

.admin-lesson-group-card {
    border: 1px solid #e1e7f0;
    border-radius: 4px;
    box-shadow: none;
    background: #f9fbfd;
    min-height: 260px;
}

.admin-lesson-group-toolbar {
    display: flex;
    align-items: center;
    padding: 20px 24px 12px;
}

.admin-lesson-group-add-btn {
    border: 0;
    border-radius: 999px;
    background: #000080;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    min-height: 42px;
    padding: 8px 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 8px 14px rgba(0, 0, 128, 0.22);
}

.admin-lesson-group-add-btn:hover,
.admin-lesson-group-add-btn:focus {
    color: #fff;
    background: #00006d;
}

.admin-lesson-group-feedback {
    margin: 0 24px 0;
    color: #5d6784;
    font-size: 13px;
    font-weight: 600;
    display: none;
}

.admin-lesson-group-feedback:not(:empty) {
    display: block;
    margin-top: 6px;
}

.admin-lesson-group-feedback.is-success {
    color: #1d9165;
}

.admin-lesson-group-feedback.is-info {
    color: #2f59b6;
}

.admin-lesson-group-table-wrap {
    width: 100%;
    overflow-x: auto;
    padding: 10px 24px 20px;
}

.admin-lesson-group-table {
    width: 100%;
    min-width: 760px;
    margin: 0;
}

.admin-lesson-group-table thead th {
    border: 0;
    background: #eef2f4;
    color: #555;
    font-size: 16px;
    font-weight: 700;
    padding: 14px 14px;
    white-space: nowrap;
}

.admin-lesson-group-table tbody td {
    border: 0;
    color: #5f6b7f;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 14px;
    vertical-align: middle;
}

.admin-lesson-group-table tbody tr + tr td {
    border-top: 1px solid #edf1f6;
}

.lesson-group-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lesson-group-action-btn {
    border: 0;
    border-radius: 999px;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #000080;
    color: #fff;
    font-size: 14px;
    box-shadow: 0 8px 13px rgba(0, 0, 128, 0.2);
}

.lesson-group-action-btn:hover,
.lesson-group-action-btn:focus {
    color: #fff;
    background: #00006d;
}

@media (max-width: 1200px) {
    .admin-lesson-groups-page .section-header h1 {
        font-size: 34px;
    }
}

@media (max-width: 768px) {
    .admin-lesson-groups-page .section-header h1 {
        font-size: 30px;
    }
}