/**
 * Премиальный дизайн для архивов курсов и программ
 * Современный, красивый интерфейс высшего качества
 */

/* ================================================
   ПЕРЕМЕННЫЕ
   ================================================ */
:root {
    --premium-primary: #667eea;
    --premium-primary-dark: #5a67d8;
    --premium-secondary: #764ba2;
    --premium-accent: #f5576c;
    --premium-success: #43e97b;
    --premium-warning: #fee140;
    
    --premium-dark: #1a1a2e;
    --premium-dark-secondary: #16213e;
    --premium-gray-900: #1f2937;
    --premium-gray-800: #374151;
    --premium-gray-700: #4b5563;
    --premium-gray-600: #6b7280;
    --premium-gray-500: #9ca3af;
    --premium-gray-400: #d1d5db;
    --premium-gray-300: #e5e7eb;
    --premium-gray-200: #f3f4f6;
    --premium-gray-100: #f9fafb;
    --premium-white: #ffffff;
    
    --premium-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --premium-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --premium-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --premium-gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    
    --premium-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --premium-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --premium-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --premium-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --premium-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --premium-radius-sm: 8px;
    --premium-radius: 12px;
    --premium-radius-lg: 16px;
    --premium-radius-xl: 24px;
    --premium-radius-full: 9999px;
    
    --premium-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --premium-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================
   ОСНОВНАЯ ОБЕРТКА
   ================================================ */
.premium-archive-wrapper {
    background: linear-gradient(180deg, var(--premium-gray-100) 0%, var(--premium-gray-200) 100%);
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ================================================
   ЗАГОЛОВОК СТРАНИЦЫ
   ================================================ */
.premium-archive-header {
    position: relative;
    padding: 80px 40px 60px;
    overflow: hidden;
    background: var(--premium-gradient-1);
}

.premium-header-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.premium-archive-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--premium-white);
    margin: 0 0 20px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.premium-archive-title .title-accent {
    display: block;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.premium-archive-title .title-sub {
    display: block;
    font-size: 0.45em;
    font-weight: 400;
    opacity: 0.9;
    margin-top: 10px;
    -webkit-text-fill-color: initial;
}

.premium-archive-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0 0 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Статистика */
.premium-stats {
    display: inline-flex;
    align-items: center;
    gap: 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px 40px;
    border-radius: var(--premium-radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--premium-white);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
}

/* Декоративные элементы */
.header-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: 10%;
}

.circle-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 5%;
    transform: translateY(-50%);
}

/* ================================================
   КОНТЕЙНЕР
   ================================================ */
.premium-archive-container {
    display: flex;
    gap: 30px;
    max-width: 1500px;
    margin: 0 auto;
    padding: 40px 30px 60px;
}

/* ================================================
   БОКОВАЯ ПАНЕЛЬ ФИЛЬТРОВ
   ================================================ */
.premium-filters-sidebar {
    width: 320px;
    flex-shrink: 0;
    position: sticky;
    top: 20px;
    align-self: flex-start;
    max-height: calc(100vh - 20px);
    height: calc(100vh - 20px);
    overflow-y: auto;
    background: var(--premium-white);
    border-radius: var(--premium-radius-xl);
    padding: 0;
    box-shadow: var(--premium-shadow-xl);
    transition: var(--premium-transition);
}

.premium-filters-sidebar::-webkit-scrollbar {
    width: 6px;
}

.premium-filters-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.premium-filters-sidebar::-webkit-scrollbar-thumb {
    background: var(--premium-gray-300);
    border-radius: 3px;
}

.premium-filters-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--premium-gray-400);
}

/* Заголовок фильтров */
.filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--premium-gray-200);
    position: sticky;
    top: 0;
    background: var(--premium-white);
    z-index: 10;
    border-radius: var(--premium-radius-xl) var(--premium-radius-xl) 0 0;
}

.filters-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--premium-gray-900);
    margin: 0;
}

.filters-title svg {
    color: var(--premium-primary);
}

.filters-close-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--premium-gray-100);
    border-radius: var(--premium-radius-sm);
    color: var(--premium-gray-600);
    cursor: pointer;
    transition: var(--premium-transition-fast);
}

.filters-close-btn:hover {
    background: var(--premium-gray-200);
    color: var(--premium-gray-900);
}

/* Форма фильтров */
.premium-filters-form {
    padding: 20px 24px 24px;
}

/* Поиск */
.filter-search-box {
    position: relative;
    margin-bottom: 24px;
}

.filter-search-box .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--premium-gray-400);
    pointer-events: none;
}

.filter-search-input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    border: 2px solid var(--premium-gray-200);
    border-radius: var(--premium-radius);
    font-size: 0.9375rem;
    color: var(--premium-gray-900);
    background: var(--premium-white);
    transition: var(--premium-transition);
    box-sizing: border-box;
}

.filter-search-input::placeholder {
    color: var(--premium-gray-400);
}

.filter-search-input:focus {
    outline: none;
    border-color: var(--premium-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Группа фильтров */
.filter-group {
    margin-bottom: 8px;
    border: 1px solid var(--premium-gray-200);
    border-radius: var(--premium-radius);
    overflow: hidden;
    transition: var(--premium-transition);
}

.filter-group:hover {
    border-color: var(--premium-gray-300);
}

.filter-group-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 16px;
    border: none;
    background: var(--premium-gray-50);
    cursor: pointer;
    transition: var(--premium-transition);
}

.filter-group-toggle:hover {
    background: var(--premium-gray-100);
}

.filter-group-toggle.active {
    background: var(--premium-white);
}

.filter-group-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--premium-gray-800);
}

.filter-group-title svg {
    color: var(--premium-primary);
}

.toggle-arrow {
    color: var(--premium-gray-400);
    transition: var(--premium-transition);
}

.filter-group-toggle.active .toggle-arrow {
    transform: rotate(180deg);
    color: var(--premium-primary);
}

/* Опции фильтра */
.filter-options {
    padding: 12px 16px 16px;
    background: var(--premium-white);
    max-height: 500px;
    overflow-y: auto;
    transition: var(--premium-transition);
}

.filter-options.collapsed {
    display: none;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    margin: 0 -12px;
    border-radius: var(--premium-radius-sm);
    cursor: pointer;
    transition: var(--premium-transition-fast);
}

.filter-option:hover {
    background: var(--premium-gray-50);
}

.filter-option input {
    display: none;
}

.option-checkbox {
    position: relative;
    width: 20px;
    height: 20px;
    border: 2px solid var(--premium-gray-300);
    border-radius: 6px;
    flex-shrink: 0;
    transition: var(--premium-transition-fast);
}

.filter-option input:checked + .option-checkbox {
    background: var(--premium-primary);
    border-color: var(--premium-primary);
}

.filter-option input:checked + .option-checkbox::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 6px;
    width: 5px;
    height: 9px;
    border: 2px solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Для radio кнопок */
.filter-option input[type="radio"] + .option-checkbox {
    border-radius: 50%;
}

.filter-option input[type="radio"]:checked + .option-checkbox::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: white;
    border: none;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.option-text {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--premium-gray-700);
    transition: var(--premium-transition-fast);
}

.filter-option:hover .option-text,
.filter-option input:checked ~ .option-text {
    color: var(--premium-gray-900);
}

.option-count {
    font-size: 0.8125rem;
    color: var(--premium-gray-400);
    background: var(--premium-gray-100);
    padding: 2px 8px;
    border-radius: var(--premium-radius-full);
}

/* Кнопки фильтров */
.filter-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--premium-gray-200);
}

.filter-apply-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--premium-gradient-1);
    color: var(--premium-white);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--premium-radius);
    cursor: pointer;
    transition: var(--premium-transition);
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.4);
}

.filter-apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.filter-apply-btn:active {
    transform: translateY(0);
}

.filter-reset-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--premium-white);
    color: var(--premium-gray-700);
    font-size: 0.9375rem;
    font-weight: 600;
    border: 2px solid var(--premium-gray-200);
    border-radius: var(--premium-radius);
    text-decoration: none;
    cursor: pointer;
    transition: var(--premium-transition);
}

.filter-reset-btn:hover {
    border-color: var(--premium-gray-300);
    background: var(--premium-gray-50);
    color: var(--premium-gray-900);
}

/* ================================================
   ОСНОВНОЙ КОНТЕНТ
   ================================================ */
.premium-main-content {
    flex: 1;
    min-width: 0;
}

/* Панель инструментов */
.premium-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 24px;
    background: var(--premium-white);
    border: 1px solid var(--premium-gray-200);
    border-radius: var(--premium-radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--premium-shadow-sm);
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-filter-btn {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--premium-white);
    border: none;
    border-radius: var(--premium-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--premium-gray-800);
    cursor: pointer;
    transition: var(--premium-transition);
}

.mobile-filter-btn:hover {
    background: var(--premium-gray-100);
}

.results-count {
    font-size: 0.9375rem;
    color: var(--premium-gray-600);
}

.results-count strong {
    color: var(--premium-gray-900);
    font-weight: 600;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Переключатель вида */
.view-switcher {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--premium-gray-100);
    border-radius: var(--premium-radius-sm);
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: 6px;
    color: var(--premium-gray-400);
    cursor: pointer;
    transition: var(--premium-transition-fast);
}

.view-btn:hover {
    color: var(--premium-gray-600);
}

.view-btn.active {
    background: var(--premium-white);
    color: var(--premium-primary);
    box-shadow: var(--premium-shadow-sm);
}

/* Сортировка */
.sort-dropdown {
    position: relative;
}

.premium-sort-select {
    appearance: none;
    padding: 10px 40px 10px 16px;
    background: var(--premium-white);
    border: 1px solid var(--premium-gray-200);
    border-radius: var(--premium-radius-sm);
    font-size: 0.9375rem;
    color: var(--premium-gray-700);
    cursor: pointer;
    transition: var(--premium-transition);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.premium-sort-select:hover {
    border-color: var(--premium-gray-300);
}

.premium-sort-select:focus {
    outline: none;
    border-color: var(--premium-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.premium-sort-select option {
    background: var(--premium-white);
    color: var(--premium-gray-700);
}

/* Активные фильтры */
.active-filters {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(102, 126, 234, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: var(--premium-radius);
    margin-bottom: 24px;
}

.active-filters-label {
    font-size: 0.875rem;
    color: var(--premium-gray-600);
}

.active-filters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.active-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--premium-white);
    border-radius: var(--premium-radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--premium-gray-800);
}

.active-filter-tag .remove-filter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border: none;
    background: var(--premium-gray-200);
    border-radius: 50%;
    font-size: 14px;
    line-height: 1;
    color: var(--premium-gray-600);
    cursor: pointer;
    transition: var(--premium-transition-fast);
}

.active-filter-tag .remove-filter:hover {
    background: var(--premium-accent);
    color: var(--premium-white);
}

.clear-all-filters {
    margin-left: auto;
    font-size: 0.875rem;
    color: var(--premium-accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--premium-transition-fast);
}

.clear-all-filters:hover {
    text-decoration: underline;
}

/* ================================================
   СЕТКА КУРСОВ
   ================================================ */
.premium-courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    min-height: auto;
}

.premium-courses-grid[data-view="list"] {
    grid-template-columns: 1fr;
}

/* ================================================
   КАРТОЧКА КУРСА
   ================================================ */
.premium-course-card {
    background: var(--premium-white);
    border-radius: var(--premium-radius-xl);
    overflow: hidden;
    transition: var(--premium-transition);
    box-shadow: var(--premium-shadow-md);
}

.premium-course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--premium-shadow-xl);
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Заголовок карточки */
.card-header {
    position: relative;
    padding: 24px;
    height: 160px;
    overflow: hidden;
}

.card-badge {
    position: relative;
    z-index: 2;
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--premium-radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--premium-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.card-location-label {
    position: absolute;
    bottom: 16px;
    right: 20px;
    z-index: 2;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--premium-radius);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--premium-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.card-discount {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
    padding: 6px 12px;
    background: var(--premium-accent);
    border-radius: var(--premium-radius-full);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--premium-white);
    box-shadow: 0 4px 12px rgba(245, 87, 108, 0.4);
}

.card-decoration {
    position: absolute;
    bottom: -40px;
    right: -40px;
    opacity: 0.6;
    transition: var(--premium-transition);
}

.premium-course-card:hover .card-decoration {
    transform: rotate(15deg) scale(1.1);
    opacity: 0.8;
}

.card-icon {
    position: absolute;
    bottom: 20px;
    left: 24px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--premium-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--premium-white);
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

/* Контент карточки */
.card-content {
    padding: 24px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--premium-gray-900);
    margin: 0 0 12px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-teacher {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9375rem;
    color: var(--premium-gray-600);
    margin: 0 0 16px;
}

.card-teacher svg {
    color: var(--premium-gray-400);
}

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

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--premium-gray-600);
}

.meta-item svg {
    color: var(--premium-gray-400);
}

.card-additional {
    font-size: 0.875rem;
    color: var(--premium-gray-500);
    margin: 0 0 20px;
    line-height: 1.5;
}

.card-date-wrapper {
    margin: 0 0 20px;
}

.card-date {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--premium-gray-700);
    margin: 0 0 8px;
    line-height: 1.5;
    padding: 10px 14px;
    background: var(--premium-gray-50);
    border-left: 4px solid var(--premium-primary);
    border-radius: var(--premium-radius-sm);
}

/* Стили для даты в зависимости от времени до начала */
.card-date-wrapper.date-today .card-date {
    background: #fff3cd;
    border-left-color: #ffc107;
    color: #856404;
    font-weight: 700;
}

.card-date-wrapper.date-soon .card-date {
    background: #f8d7da;
    border-left-color: #dc3545;
    color: #721c24;
    font-weight: 700;
}

.card-date-wrapper.date-coming .card-date {
    background: #d1ecf1;
    border-left-color: #17a2b8;
    color: #0c5460;
    font-weight: 600;
}

.card-date-wrapper.date-future .card-date {
    background: var(--premium-gray-50);
    border-left-color: var(--premium-gray-400);
    color: var(--premium-gray-700);
}

.card-date-wrapper.date-past .card-date {
    background: var(--premium-gray-100);
    border-left-color: var(--premium-gray-300);
    color: var(--premium-gray-500);
    opacity: 0.7;
}

/* Бейдж с количеством дней */
.days-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--premium-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

.days-badge.days-today {
    background: #ffc107;
    color: #856404;
}

.days-badge.days-soon {
    background: #dc3545;
    color: #fff;
}

.days-badge.days-coming {
    background: #17a2b8;
    color: #fff;
}

.days-badge.days-future {
    background: var(--premium-gray-200);
    color: var(--premium-gray-700);
}

.days-badge.days-past {
    background: var(--premium-gray-300);
    color: var(--premium-gray-600);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--premium-gray-200);
}

.card-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.price-current {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--premium-gray-900);
}

.price-old {
    font-size: 0.9375rem;
    color: var(--premium-gray-400);
    text-decoration: line-through;
}

.price-free {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--premium-success);
}

.card-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: var(--premium-transition-fast);
}

.card-cta svg {
    transition: var(--premium-transition-fast);
}

.premium-course-card:hover .card-cta svg {
    transform: translateX(4px);
}

/* Вид списком */
.premium-courses-grid[data-view="list"] .premium-course-card {
    display: flex;
}

.premium-courses-grid[data-view="list"] .card-header {
    width: 280px;
    height: auto;
    min-height: 200px;
    flex-shrink: 0;
}

.premium-courses-grid[data-view="list"] .card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.premium-courses-grid[data-view="list"] .card-title {
    font-size: 1.5rem;
    -webkit-line-clamp: 1;
}

.premium-courses-grid[data-view="list"] .card-footer {
    margin-top: auto;
}

/* ================================================
   ПАГИНАЦИЯ
   ================================================ */
.premium-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding: 20px 0;
}

.premium-pagination .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    background: var(--premium-white);
    border: 1px solid var(--premium-gray-200);
    border-radius: var(--premium-radius-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--premium-gray-700);
    text-decoration: none;
    transition: var(--premium-transition);
    box-shadow: var(--premium-shadow-sm);
}

.premium-pagination .page-numbers:hover {
    background: var(--premium-gray-50);
    border-color: var(--premium-gray-300);
}

.premium-pagination .page-numbers.current {
    background: var(--premium-gradient-1);
    color: var(--premium-white);
    border-color: var(--premium-primary);
    font-weight: 600;
}

.premium-pagination .page-numbers.prev,
.premium-pagination .page-numbers.next {
    padding: 0;
}

.premium-pagination .page-numbers.dots {
    background: transparent;
    border: none;
    color: var(--premium-gray-400);
    box-shadow: none;
}

/* ================================================
   ПУСТЫЕ РЕЗУЛЬТАТЫ
   ================================================ */
.no-results {
    text-align: center;
    padding: 60px 40px;
    background: var(--premium-white);
    border-radius: var(--premium-radius-xl);
    border: 2px dashed var(--premium-gray-200);
    box-shadow: var(--premium-shadow);
    margin-top: 0;
    margin-bottom: 0;
    min-height: auto;
    max-width: 100%;
}

.no-results-icon {
    margin: 0 auto 24px;
    opacity: 0.5;
    display: flex;
    justify-content: center;
    align-items: center;
}

.no-results-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--premium-gray-900);
    margin: 0 0 12px;
    line-height: 1.3;
}

.no-results-text {
    font-size: 1rem;
    color: var(--premium-gray-600);
    margin: 0 auto 32px;
    max-width: 500px;
    line-height: 1.6;
}

.no-results-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--premium-gradient-1);
    color: var(--premium-white);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--premium-radius);
    transition: var(--premium-transition);
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.4);
}

.no-results-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

/* ================================================
   АДАПТИВНОСТЬ
   ================================================ */
@media (max-width: 1400px) {
    .premium-courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .premium-archive-container {
        flex-direction: column;
        padding: 30px 20px 40px;
    }
    
    .premium-filters-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        max-width: 360px;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
        z-index: 1000;
        transition: left 0.3s ease;
    }
    
    .premium-filters-sidebar.active {
        left: 0;
    }
    
    .filters-close-btn {
        display: flex;
    }
    
    .mobile-filter-btn {
        display: flex;
    }
    
    .premium-archive-header {
        padding: 60px 20px 40px;
    }
    
    .premium-archive-title {
        font-size: 2.5rem;
    }
    
    .premium-stats {
        flex-wrap: wrap;
        justify-content: center;
        padding: 16px 24px;
        gap: 20px;
    }
    
    .stat-divider {
        display: none;
    }
}

@media (max-width: 768px) {
    .premium-courses-grid {
        grid-template-columns: 1fr;
    }
    
    .premium-courses-grid[data-view="list"] .premium-course-card {
        flex-direction: column;
    }
    
    .premium-courses-grid[data-view="list"] .card-header {
        width: 100%;
        min-height: 160px;
    }
    
    .premium-archive-title {
        font-size: 2rem;
    }
    
    .premium-archive-subtitle {
        font-size: 1rem;
    }
    
    .premium-toolbar {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .toolbar-left,
    .toolbar-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .no-results {
        padding: 40px 20px;
    }
    
    .no-results-icon svg {
        width: 60px;
        height: 60px;
    }
    
    .no-results-title {
        font-size: 1.5rem;
    }
    
    .no-results-text {
        font-size: 0.9rem;
        max-width: 100%;
    }
    
    .no-results-btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .card-header {
        height: 140px;
    }
    
    .card-content {
        padding: 20px;
    }
    
    .card-title {
        font-size: 1.125rem;
    }
}

@media (max-width: 480px) {
    .premium-archive-header {
        padding: 40px 16px 30px;
    }
    
    .premium-archive-title {
        font-size: 1.75rem;
    }
    
    .premium-stats {
        padding: 12px 16px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .premium-archive-container {
        padding: 20px 16px 30px;
    }
    
    .card-header {
        padding: 20px;
        height: 120px;
    }
    
    .card-icon {
        width: 40px;
        height: 40px;
    }
    
    .card-icon svg {
        width: 20px;
        height: 20px;
    }
}

/* ================================================
   ОВЕРЛЕЙ ДЛЯ МОБИЛЬНОГО МЕНЮ
   ================================================ */
.premium-filters-sidebar.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

/* ================================================
   АНИМАЦИИ
   ================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.premium-course-card {
    animation: fadeInUp 0.4s ease backwards;
}

.premium-course-card:nth-child(1) { animation-delay: 0.05s; }
.premium-course-card:nth-child(2) { animation-delay: 0.1s; }
.premium-course-card:nth-child(3) { animation-delay: 0.15s; }
.premium-course-card:nth-child(4) { animation-delay: 0.2s; }
.premium-course-card:nth-child(5) { animation-delay: 0.25s; }
.premium-course-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.card-badge {
    animation: pulse 2s ease-in-out infinite;
}

/* ================================================
   СПЕЦИФИЧНЫЕ СТИЛИ ДЛЯ ПРОГРАММ
   ================================================ */
.premium-archive-wrapper.programs-archive .premium-archive-header {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.premium-archive-wrapper.programs-archive .filter-apply-btn {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    box-shadow: 0 4px 14px rgba(240, 147, 251, 0.4);
}

.premium-archive-wrapper.programs-archive .filter-apply-btn:hover {
    box-shadow: 0 6px 20px rgba(240, 147, 251, 0.5);
}