/**
 * Стили для фильтров каталога
 * @version 1.0
 */

/* Индикатор загрузки */
.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.loading-indicator .spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Состояние загрузки */
.products-container.loading {
    position: relative;
    min-height: 400px;
}

/* Анимация появления товаров */
.product-card {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Фильтры - улучшенные стили */
.filter-section {
    margin-bottom: 1.5rem;
}

.filter-section h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Подкатегории - новый отдельный блок */
.subcategory-link {
    transition: all 0.2s ease;
    padding: 0.25rem 0;
}

.subcategory-link:hover {
    color: #198754 !important;
    padding-left: 0.25rem;
}

.subcategory-hidden {
    animation: fadeIn 0.3s ease-in;
}

#showMoreSubcategories {
    transition: all 0.2s ease;
}

#showMoreSubcategories:hover {
    background-color: #198754;
    border-color: #198754;
    color: white;
}

#showMoreSubcategories i {
    transition: transform 0.2s ease;
}

#showMoreSubcategories.expanded i {
    transform: rotate(180deg);
}

/* Подкатегории */
.subcategory-list {
    padding-left: 1.5rem;
    margin-top: 0.5rem;
    border-left: 2px solid #e9ecef;
}

.subcategory-list li {
    padding-left: 0.5rem;
}

/* Кнопка раскрытия категорий */
.category-toggle {
    background: none;
    border: none;
    padding: 0;
    margin-right: 0.25rem;
    color: #6c757d;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.category-toggle:hover {
    color: #198754;
}

.category-toggle i {
    transition: transform 0.2s ease;
}

/* Активные фильтры */
.active-filters-panel {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Чекбоксы фильтров */
.form-check {
    margin-bottom: 0.5rem;
}

.form-check-input:checked {
    background-color: #198754;
    border-color: #198754;
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

/* Поля цены */
.price-inputs {
    display: flex;
    gap: 0.5rem;
}

.price-inputs input {
    flex: 1;
}

/* Multi-select */
select[multiple] {
    border-radius: 0.25rem;
}

select[multiple] option {
    padding: 0.5rem;
}

select[multiple] option:checked {
    background-color: #198754;
    color: white;
}

/* Кнопки фильтров */
.filter-buttons {
    margin-top: 1rem;
}

.filter-buttons .btn {
    width: 100%;
}

/* Счетчик товаров */
.products-count {
    font-weight: 600;
    color: #198754;
}

/* Бейджи характеристик */
.badge {
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

/* Счетчики товаров в фильтрах */
.form-check-label .badge {
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    background-color: #e9ecef !important;
    color: #6c757d !important;
    font-weight: 400;
}

.form-check-input:checked + .form-check-label .badge {
    background-color: #d1e7dd !important;
    color: #0f5132 !important;
}

.form-check:hover .badge {
    background-color: #198754 !important;
    color: white !important;
}

/* Select options с счетчиками */
select[multiple] option {
    padding: 0.5rem;
    font-size: 0.9rem;
}

/* Карточки товаров - fade эффект при загрузке */
.products-container.loading .product-card {
    opacity: 0.3;
    pointer-events: none;
}

/* Адаптивность для мобильных */
@media (max-width: 991.98px) {
    .filter-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: white;
        z-index: 1050;
        transition: left 0.3s ease;
        overflow-y: auto;
        box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    }

    .filter-sidebar.show {
        left: 0;
    }

    .filter-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
    }

    .filter-overlay.show {
        display: block;
    }

    .mobile-filter-toggle {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 1030;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }
}

@media (max-width: 767.98px) {
    .loading-indicator {
        padding: 1.5rem;
    }

    .loading-indicator .spinner-border {
        width: 2rem;
        height: 2rem;
    }
}

/* Скрытие элементов во время загрузки */
.loading .empty-state,
.loading .pagination {
    display: none;
}

/* Плавная прокрутка */
html {
    scroll-behavior: smooth;
}

/* Улучшенные состояния для interactive elements */
.category-toggle:focus,
.form-check-input:focus,
select:focus,
input:focus {
    outline: 2px solid #198754;
    outline-offset: 2px;
}

/* Disabled состояние */
.filter-section.disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* Подсветка активной категории */
.category-list a.active {
    font-weight: 600;
    color: #198754 !important;
}

/* Sticky sidebar */
@media (min-width: 992px) {
    .filter-sidebar-sticky {
        position: sticky;
        top: 20px;
        max-height: calc(100vh - 40px);
        overflow-y: auto;
    }
}

/* Кастомный scrollbar для фильтров */
.filter-sidebar-sticky::-webkit-scrollbar {
    width: 6px;
}

.filter-sidebar-sticky::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.filter-sidebar-sticky::-webkit-scrollbar-thumb {
    background: #198754;
    border-radius: 3px;
}

.filter-sidebar-sticky::-webkit-scrollbar-thumb:hover {
    background: #157347;
}

/* ========== Price Range Slider ========== */

.price-slider-container {
    padding: 1rem 0.5rem;
    user-select: none;
}

.price-slider-track {
    position: relative;
    height: 6px;
    background: #e9ecef;
    border-radius: 3px;
    cursor: pointer;
}

.price-slider-range {
    position: absolute;
    height: 100%;
    background: linear-gradient(90deg, #198754, #20c997);
    border-radius: 3px;
    pointer-events: none;
}

.price-slider-handle {
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border: 3px solid #198754;
    border-radius: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    cursor: grab;
    transition: all 0.2s ease;
    z-index: 10;
}

.price-slider-handle:hover {
    transform: translate(-50%, -50%) scale(1.2);
    border-color: #157347;
    box-shadow: 0 2px 8px rgba(25, 135, 84, 0.3);
}

.price-slider-handle:active,
.price-slider-container.dragging .price-slider-handle {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 3px 12px rgba(25, 135, 84, 0.4);
}

.price-slider-tooltip {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    background: #198754;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.price-slider-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: #198754;
}

.price-slider-handle:hover .price-slider-tooltip,
.price-slider-container.dragging .price-slider-tooltip {
    opacity: 1;
}

/* Анимация при загрузке */
.price-slider-range {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: scaleX(0);
        transform-origin: left;
    }
    to {
        transform: scaleX(1);
    }
}