/* ===================================================================
   Стили страницы курсов – в едином стиле IТЕХНО
   =================================================================== */

/* Переменные (дублируем из main_style.css) */
:root {
    --it-primary: #1a4c8c;
    --it-primary-dark: #0f3363;
    --it-primary-light: #dbe8f7;
    --it-accent: #e85d4a;
    --it-accent-dark: #c94a38;
    --it-accent-soft: #fcedea;
    --it-bg: #f2f6fc;
    --it-surface: #ffffff;
    --it-text: #1a2a4a;
    --it-muted: #5a6e8a;
    --it-border: #dce4ef;
    --it-shadow: 0 20px 60px rgba(26, 76, 140, 0.12);
    --it-shadow-sm: 0 8px 24px rgba(26, 76, 140, 0.08);
    --it-radius: 28px;
    --it-radius-sm: 16px;
    --it-radius-xs: 12px;
    --it-container: 1120px;
}

/* ----------------------------------------------------------------
   Общая обёртка страницы
   ---------------------------------------------------------------- */
.courses-section {
    padding: 30px 0 60px;
    background: var(--it-bg);
}

.courses-section .container {
    max-width: var(--it-container);
    margin: 0 auto;
    padding: 0 20px;
}

/* ----------------------------------------------------------------
   Заголовок
   ---------------------------------------------------------------- */
.courses-header {
    text-align: center;
    margin-bottom: 40px;
}

.courses-header h1 {
    font-size: 42px;
    font-weight: 950;
    color: var(--it-primary-dark);
    letter-spacing: -0.04em;
    margin-bottom: 12px;
}

.courses-header p {
    font-size: 18px;
    color: var(--it-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ----------------------------------------------------------------
   Вкладки-переключатель
   ---------------------------------------------------------------- */
.courses-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--it-surface);
    border: 2px solid var(--it-border);
    border-radius: 999px;
    font-size: 16px;
    font-weight: 700;
    color: var(--it-muted);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.tab-btn:hover {
    border-color: var(--it-primary);
    color: var(--it-text);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--it-primary), var(--it-accent));
    border-color: var(--it-primary);
    color: #fff;
    box-shadow: 0 12px 30px rgba(26, 76, 140, 0.25);
}

.tab-btn .tab-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    color: inherit;
}

.tab-btn.active .tab-badge {
    background: rgba(255, 255, 255, 0.2);
}

.tab-btn i {
    font-size: 18px;
}

/* ----------------------------------------------------------------
   Фильтры
   ---------------------------------------------------------------- */
.filters-section {
    background: var(--it-surface);
    padding: 24px 30px;
    border-radius: var(--it-radius-sm);
    box-shadow: var(--it-shadow-sm);
    margin-bottom: 30px;
    border: 1px solid var(--it-border);
}

.filters-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 160px;
}

.filter-group label {
    display: block;
    font-weight: 700;
    font-size: 14px;
    color: var(--it-text);
    margin-bottom: 4px;
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--it-border);
    border-radius: var(--it-radius-xs);
    font-size: 15px;
    background: #fafcff;
    transition: border-color 0.2s, box-shadow 0.2s;
    color: var(--it-text);
    font-family: inherit;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--it-primary);
    box-shadow: 0 0 0 3px rgba(26, 76, 140, 0.1);
}

.filter-search {
    position: relative;
    flex: 1.5;
}

.filter-search .search-input {
    padding-right: 48px;
}

.search-btn {
    position: absolute;
    right: 4px;
    bottom: 4px;
    top: 28px;
    height: 40px;
    width: 40px;
    background: var(--it-accent);
    color: #fff;
    border: none;
    border-radius: var(--it-radius-xs);
    cursor: pointer;
    transition: background 0.2s;
}

.search-btn:hover {
    background: var(--it-accent-dark);
}

.filter-actions {
    flex: 0 0 auto;
    display: flex;
    gap: 10px;
    align-items: center;
}

.reset-btn {
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    background: var(--it-border);
    color: var(--it-text);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.reset-btn:hover {
    background: #c5d0e0;
    transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   Результаты
   ---------------------------------------------------------------- */
.courses-results {
    margin-bottom: 30px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.results-count {
    font-weight: 700;
    color: var(--it-muted);
    font-size: 15px;
}

.results-view {
    display: flex;
    gap: 6px;
}

.view-btn {
    padding: 8px 12px;
    background: var(--it-surface);
    border: 1px solid var(--it-border);
    border-radius: var(--it-radius-xs);
    color: var(--it-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.view-btn:hover {
    border-color: var(--it-primary);
    color: var(--it-text);
}

.view-btn.active {
    background: var(--it-primary);
    border-color: var(--it-primary);
    color: #fff;
}

/* ----------------------------------------------------------------
   Сетка курсов (исправленная)
   ---------------------------------------------------------------- */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    min-height: 200px;
}

.courses-grid.list-view {
    grid-template-columns: 1fr;
}

/* ---- Карточка курса (исправленная) ---- */
.course-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--it-surface);
    border-radius: var(--it-radius-sm);
    overflow: hidden;
    box-shadow: var(--it-shadow-sm);
    border: 1px solid var(--it-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--it-shadow);
}

.course-card .course-image {
    height: 200px;
    background: var(--it-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.course-card .course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-card .course-image .course-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    background: var(--it-accent);
    color: #fff;
}

.course-card .course-image .course-badge.online {
    background: #ff9f43;
}

.course-card .course-image .course-badge.school {
    background: var(--it-primary);
}

/* Контент карточки – flex-контейнер для выравнивания */
.course-card .course-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px 24px;
}

/* Направление – компактное, не растягивается */
.course-card .course-content .course-direction {
    align-self: flex-start;
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--it-primary);
    background: var(--it-primary-light);
    padding: 2px 12px;
    border-radius: 999px;
    margin-bottom: 8px;
}

.course-card .course-content h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--it-primary-dark);
    margin: 0 0 8px;
}

/* Описание – занимает всё свободное место, чтобы кнопки уехали вниз */
.course-card .course-content .course-description {
    flex: 1;
    font-size: 15px;
    color: var(--it-muted);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-card .course-content .course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.course-card .course-content .course-meta span {
    font-size: 14px;
    color: var(--it-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}

.course-card .course-content .course-meta i {
    color: var(--it-primary);
}

.course-card .course-content .course-price {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.course-card .course-content .course-price .current {
    font-size: 22px;
    font-weight: 900;
    color: var(--it-primary);
}

.course-card .course-content .course-price .old {
    font-size: 16px;
    color: var(--it-muted);
    text-decoration: line-through;
}

.course-card .course-content .course-price .discount-badge {
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: var(--it-accent);
    padding: 2px 10px;
    border-radius: 999px;
}

/* Кнопки всегда внизу */
.course-card .course-content .course-actions {
    margin-top: auto;
    display: flex;
    gap: 10px;
}

.course-card .course-content .course-actions .btn {
    flex: 1;
    justify-content: center;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: 999px;
    font-weight: 700;
}

/* Список (list-view) */
.courses-grid.list-view .course-card {
    display: flex;
    flex-direction: row;
}

.courses-grid.list-view .course-card .course-image {
    height: auto;
    width: 300px;
    min-height: 200px;
    flex-shrink: 0;
}

.courses-grid.list-view .course-card .course-content {
    flex: 1;
}

/* Загрузка и пустое состояние */
.loading-spinner {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner i {
    font-size: 48px;
    color: var(--it-primary);
}

.loading-spinner p {
    margin-top: 12px;
    color: var(--it-muted);
    font-size: 16px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 64px;
    color: var(--it-border);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 24px;
    color: var(--it-text);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--it-muted);
}

/* ----------------------------------------------------------------
   Пагинация
   ---------------------------------------------------------------- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
}

.page-btn {
    padding: 8px 16px;
    background: var(--it-surface);
    border: 1px solid var(--it-border);
    border-radius: var(--it-radius-xs);
    color: var(--it-text);
    cursor: pointer;
    transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--it-primary);
    background: var(--it-primary-light);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    font-weight: 700;
    color: var(--it-muted);
    font-size: 14px;
}

/* ----------------------------------------------------------------
   Адаптация
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    .courses-grid.list-view .course-card {
        flex-direction: column;
    }

    .courses-grid.list-view .course-card .course-image {
        width: 100%;
        min-height: 200px;
        height: 200px;
    }
}

@media (max-width: 768px) {
    .courses-section {
        padding: 120px 0 50px;
    }

    .courses-header h1 {
        font-size: 32px;
    }

    .courses-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .tab-btn {
        justify-content: center;
    }

    .filters-section {
        padding: 16px 20px;
    }

    .filters-row {
        flex-direction: column;
        gap: 12px;
    }

    .filter-group {
        min-width: unset;
        width: 100%;
    }

    .filter-actions {
        flex-direction: column;
        width: 100%;
    }

    .filter-actions .reset-btn {
        width: 100%;
        justify-content: center;
    }

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

    .results-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .results-view {
        justify-content: center;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .course-card .course-content .course-price {
        flex-wrap: wrap;
    }

    .course-card .course-content .course-actions {
        flex-direction: column;
    }

    .course-card .course-content .course-actions .btn {
        width: 100%;
    }
}

/* Убираем кнопку поиска и делаем поле чище */
.filter-search .search-input {
    padding-right: 14px;
}

.search-btn {
    display: none !important;
}

/* ==========================================
   МОДАЛЬНОЕ ОКНО ПОКУПКИ
   ========================================== */

.purchase-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.purchase-modal-content {
    background: var(--it-surface);
    border-radius: var(--it-radius-sm);
    padding: 30px;
    max-width: 480px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--it-shadow);
    position: relative;
}

.purchase-modal-content .modal-header-custom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--it-border);
}

.purchase-modal-content .modal-header-custom h2 {
    font-size: 24px;
    color: var(--it-primary-dark);
    margin: 0;
}

.purchase-modal-content .modal-close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--it-muted);
    padding: 0 8px;
    transition: color 0.3s;
}

.purchase-modal-content .modal-close-btn:hover {
    color: var(--it-accent);
}

.purchase-modal-content .purchase-info {
    margin-bottom: 16px;
}

.purchase-modal-content .purchase-info p {
    margin-bottom: 4px;
}

.purchase-modal-content .promo-group {
    margin-bottom: 16px;
}

.purchase-modal-content .promo-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--it-text);
}

.purchase-modal-content .promo-input-group {
    display: flex;
    gap: 8px;
}

.purchase-modal-content .promo-input-group input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--it-border);
    border-radius: var(--it-radius-xs);
    font-size: 15px;
    background: #fafcff;
    transition: border-color 0.3s;
}

.purchase-modal-content .promo-input-group input:focus {
    outline: none;
    border-color: var(--it-primary);
}

.purchase-modal-content .promo-input-group .apply-btn {
    padding: 10px 20px;
    border-radius: var(--it-radius-xs);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    background: var(--it-surface);
    color: var(--it-primary);
    border: 2px solid var(--it-border);
    transition: all 0.3s;
    white-space: nowrap;
}

.purchase-modal-content .promo-input-group .apply-btn:hover {
    border-color: var(--it-primary);
    background: var(--it-primary-light);
}

.purchase-modal-content .promo-message {
    font-size: 13px;
    margin-top: 4px;
}

.purchase-modal-content .total-price {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    padding: 12px 0;
    border-top: 1px solid var(--it-border);
    margin-top: 12px;
}

.purchase-modal-content .confirm-btn {
    width: 100%;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 800;
    font-size: 16px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--it-accent), var(--it-accent-dark));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(232, 93, 74, 0.3);
    transition: all 0.3s;
}

.purchase-modal-content .confirm-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 93, 74, 0.4);
}

.purchase-modal-content .secure-text {
    font-size: 12px;
    color: var(--it-muted);
    text-align: center;
    margin-top: 8px;
}

/* Адаптация для модалки */
@media (max-width: 480px) {
    .purchase-modal-content {
        padding: 20px;
        margin: 10px;
    }

    .purchase-modal-content .promo-input-group {
        flex-direction: column;
    }

    .purchase-modal-content .promo-input-group .apply-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================
   ПЕРЕОПРЕДЕЛЕНИЕ КНОПОК НА СТРАНИЦЕ КУРСОВ
   ========================================== */

/* Кнопка "Подробнее" - делаем как btn-secondary (с контуром) */
.course-actions .btn-outline {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 10px 20px !important;
    border-radius: 999px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    background: var(--it-surface) !important;
    color: var(--it-primary) !important;
    border: 2px solid var(--it-border) !important;
    box-shadow: 0 2px 10px rgba(26, 76, 140, 0.06) !important;
    flex: 1;
}

.course-actions .btn-outline:hover {
    border-color: var(--it-primary) !important;
    background: var(--it-primary-light) !important;
    transform: translateY(-2px) !important;
    text-decoration: none !important;
}

/* Кнопка "Купить" - яркая акцентная */
.course-actions .btn-primary {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 10px 20px !important;
    border-radius: 999px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    background: linear-gradient(135deg, var(--it-accent), var(--it-accent-dark)) !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(232, 93, 74, 0.3) !important;
    flex: 1;
}

.course-actions .btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(232, 93, 74, 0.4) !important;
    background: linear-gradient(135deg, var(--it-accent-dark), var(--it-accent)) !important;
}

/* Кнопка "Продолжить" - зелёная */
.course-actions .btn-success {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 10px 20px !important;
    border-radius: 999px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    background: #1dd1a1 !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(29, 209, 161, 0.3) !important;
    flex: 1;
}

.course-actions .btn-success:hover {
    background: #17a689 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(29, 209, 161, 0.4) !important;
}

/* Скрытие кнопок измененияо тображения курсов для мобилок */
@media (max-width: 1026px) {
    .results-view {
        display: none !important;
    }
}