/**
 * Тема education.kartingnsk.ru в стиле основного сайта kartingnsk.ru
 */
html {
    min-height: 100%;
    background: radial-gradient(circle at top, #f6fbff, #eaf4ff);
}

body.karting-body,
.karting-body {
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    background: transparent;
    color: #08243d;
    overflow-x: hidden;
}

body.karting-body::before,
.karting-body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background: linear-gradient(120deg, #eaf6ff 0%, #cfeeff 25%, #0d6efd 50%, #2aa0ff 75%, #f0fbff 100%);
    background-size: 400% 400%;
    pointer-events: none;
    opacity: 0.72;
    animation: karting-bgShift 14s ease-in-out infinite;
    mix-blend-mode: overlay;
}

@keyframes karting-bgShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Верхняя панель */
.karting-topbar {
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    color: white;
    padding: 18px 0;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.2);
    margin-bottom: 28px;
}

.karting-topbar-title {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: clamp(1.1rem, 2.5vw, 1.65rem);
    font-weight: 600;
}

.karting-topbar-sub {
    font-size: 0.9rem;
    opacity: 0.92;
    font-weight: 300;
}

.karting-topbar .btn-light {
    border: none;
    font-weight: 600;
    border-radius: 8px;
}

/* Карточки контента */
.admin-card,
.karting-edu-card {
    background: linear-gradient(180deg, #ffffff, #f7fbff);
    border-radius: 12px;
    padding: 22px;
    box-shadow: 0 4px 15px rgba(6, 30, 60, 0.08);
    border: 1px solid rgba(10, 40, 80, 0.06);
    margin-bottom: 22px;
}

.admin-card h4,
.admin-card h5,
.karting-edu-card h3,
.karting-edu-card h4 {
    font-weight: 600;
    color: #0d6efd;
}

/* Фильтры / формы */
.filters-section {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 18px;
}

.filter-group {
    flex: 1;
    min-width: 180px;
}

.filter-group label,
.karting-body .form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #25445a;
}

.karting-body .form-control,
.karting-body .form-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d7e8ff;
    border-radius: 8px;
    font-size: 14px;
    background: #ffffff;
    color: #08243d;
}

.karting-body .form-control:focus,
.karting-body .form-select:focus {
    outline: none;
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.btn-filter,
.karting-btn-gradient {
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    border: none;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 8px;
    color: white !important;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-filter:hover,
.karting-btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
    color: white !important;
}

.btn-reset {
    background: #6c757d;
    border: none;
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-reset:hover {
    background: #5a6268;
    color: white;
    transform: translateY(-2px);
}

/* Таблицы */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.data-table thead {
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    color: white;
}

.data-table thead th {
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
}

.data-table tbody tr {
    border-bottom: 1px solid #e8f0f8;
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: rgba(13, 110, 253, 0.05);
}

.data-table tbody td {
    padding: 10px 14px;
    font-size: 13px;
    color: #08243d;
}

.table-wrapper {
    overflow-x: auto;
}

/* Кнопки Bootstrap — ближе к теме */
.karting-body .btn-primary {
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    border: none;
    font-weight: 600;
    border-radius: 8px;
    padding: 0.5rem 1.1rem;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.2);
}

.karting-body .btn-primary:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

.karting-body .btn-outline-secondary {
    border-radius: 8px;
    border-color: #c5d8ec;
}

.karting-body .btn-link {
    color: #0d6efd;
    font-weight: 500;
}

/* Модальные окна */
.karting-body .modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.karting-body .modal-header {
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    color: white;
    border-bottom: none;
    border-radius: 12px 12px 0 0;
}

.karting-body .modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.karting-body .modal-title {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1.1rem;
}

/* Аккордеон / списки результатов */
.karting-body .accordion-button {
    background: linear-gradient(90deg, #fff, #f3f9ff);
    color: #08243d;
    font-weight: 500;
}

.karting-body .accordion-button:not(.collapsed) {
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    color: #fff;
}

.karting-body .list-group-item {
    border-color: rgba(13, 110, 253, 0.08);
    border-radius: 8px !important;
    margin-bottom: 4px;
}

/* Бейджи */
.badge-success.karting-badge {
    background: #d4edda;
    color: #155724;
}

.badge-info.karting-badge {
    background: #d1ecf1;
    color: #0c5460;
}

/* Логотип в шапке контента */
.karting-brand-block {
    text-align: center;
    padding: 8px 0 20px;
}

.karting-brand-block .karting-logo {
    width: 88px;
    height: auto;
    display: block;
    margin: 0 auto 12px;
    filter: drop-shadow(0 2px 6px rgba(13, 110, 253, 0.2));
}

.karting-brand-block .karting-brand-line1 {
    font-family: 'Oswald', sans-serif;
    font-size: 1rem;
    color: #08243d;
    letter-spacing: 0.5px;
}

.karting-brand-block .karting-brand-line2 {
    font-size: 0.95rem;
    color: #0d6efd;
    font-weight: 600;
}

.karting-brand-block .karting-brand-line3 {
    font-size: 0.85rem;
    color: #25445a;
    margin-top: 4px;
}

.answers-list {
    margin-top: 0.5rem;
}

/* Варианты ответов в тесте */
.answers-list .form-check {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #e3eef9;
    margin-bottom: 8px;
    background: #fff;
    transition: border-color 0.15s ease;
}

.answers-list .form-check:hover {
    border-color: rgba(13, 110, 253, 0.35);
}

.answers-list .form-check-input:checked ~ .form-check-label {
    font-weight: 500;
    color: #0d6efd;
}

/* test_control: две панели */
.test-control-root {
    overflow: hidden;
    min-height: calc(100vh - 96px);
}

.test-control-root .page-container {
    display: flex;
    min-height: calc(100vh - 96px);
    height: auto;
    width: 200%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(0);
}

.test-control-root .page-container.show-admin {
    transform: translateX(-50%);
}

.test-control-root .page-section {
    width: 50%;
    min-height: calc(100vh - 96px);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.test-control-root .page-header {
    position: sticky;
    top: 0;
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    color: #fff;
    padding: 1rem 1.25rem;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.2);
}

.test-control-root .page-header h3 {
    margin: 0;
    font-size: 1.15rem;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.test-control-root .page-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
}

.test-control-root .card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(6, 30, 60, 0.06);
    background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.test-control-root .toggle-btn {
    cursor: pointer;
    background: rgba(255, 255, 255, 0.95);
    color: #0d6efd;
    border: none;
    padding: 0.45rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
    white-space: nowrap;
    font-size: 0.88rem;
}

.test-control-root .toggle-btn:hover {
    background: #fff;
    transform: translateY(-1px);
}

.test-control-root .toggle-btn.admin-btn {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.test-control-root .toggle-btn.admin-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    color: #fff;
}

.answer-correct {
    border: 2px solid #198754 !important;
    background: linear-gradient(180deg, #f0fdf4, #fff) !important;
    border-radius: 8px;
}

.answer-incorrect {
    border: 2px solid #dc3545 !important;
    background: linear-gradient(180deg, #fdf8f8, #fff) !important;
    border-radius: 8px;
}

.result-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.result-badge {
    background: #e9ecef;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.score-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    color: white;
}

.score-badge.green { background: #198754; }
.score-badge.red { background: #dc3545; }

.small-muted {
    font-size: 0.9rem;
    color: #5a6d7d;
}

/* Фиксированная шапка (admin / overview) */
.karting-fixed-header {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 1050;
    background: linear-gradient(90deg, #0d6efd, #2aa0ff);
    color: #fff;
    padding: 0.75rem 0;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.2);
}

.karting-fixed-header h3 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1.1rem;
}

.karting-fixed-header .btn {
    border-radius: 8px;
    font-weight: 600;
}

.karting-main-padded {
    padding-top: 88px;
    padding-bottom: 32px;
}

@media (max-width: 768px) {
    .filters-section {
        flex-direction: column;
    }
    .filter-group {
        min-width: 100%;
    }
    .karting-topbar-title {
        letter-spacing: 1px;
    }
}