/* ============================================
   Catalog Page — bumlavka.ru design
   Sidebar left + 3-column grid
   ============================================ */

.catalog-page {
    padding-top: 160px;
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, .9), transparent 45%),
        radial-gradient(circle at 80% 10%, rgba(255, 255, 255, .6), transparent 40%),
        #f6f2e6;
}

.catalog-content-block {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 70px;
    box-sizing: border-box;
}

/* Header */
.catalog-header__title {
    margin: 0 0 30px;
    color: #333;
    font-family: var(--font-display);
    font-size: 75px;
    font-weight: 300;
    line-height: 1;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    font-family: var(--font-display);
    font-size: 16px;
    color: #999;
}

.breadcrumbs a {
    color: #999;
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--color-primary);
}

.breadcrumbs__sep {
    color: #ccc;
}

/* ---- Layout: sidebar + content ---- */
.catalog-page__layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    max-width: 1780px;
    margin: 0 auto;
}

/* ---- Sidebar ---- */
.catalog-sidebar {
    font-family: var(--font-display);
    font-size: 16px;
    position: sticky;
    top: 120px;
    align-self: start;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    scrollbar-width: thin;
}

.catalog-sidebar::-webkit-scrollbar {
    width: 4px;
}

.catalog-sidebar::-webkit-scrollbar-thumb {
    background: rgba(100, 125, 25, 0.3);
    border-radius: 999px;
}

/* Filter groups */
.filter-group {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.filter-group:last-of-type {
    border-bottom: none;
}

.filter-group__title {
    font-size: 20px;
    font-weight: 500;
    color: #333;
    margin-bottom: 16px;
}

/* Checkbox filter (tags) */
.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.filter-checkbox input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.filter-checkbox__mark {
    width: 20px;
    height: 20px;
    border: 2px solid #cbcbcb;
    border-radius: 4px;
    flex-shrink: 0;
    position: relative;
    transition: background .15s ease, border-color .15s ease;
}

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

.filter-checkbox input:checked + .filter-checkbox__mark::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.filter-checkbox__label {
    font-size: 16px;
    color: #444;
    line-height: 1.3;
}

.filter-checkbox:hover .filter-checkbox__label {
    color: var(--color-primary);
}

/* Price range */
.filter-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-range input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #cbcbcb;
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 16px;
    background: #fff;
    color: #333;
    outline: none;
    transition: border-color .15s ease;
}

.filter-range input:focus {
    border-color: var(--color-primary);
}

.filter-range span {
    color: #ccc;
    flex-shrink: 0;
}

/* Color swatches */
.filter-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-color-swatch {
    cursor: pointer;
    display: inline-flex;
}

.filter-color-swatch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.filter-color-swatch__circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #e0e0e0;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.filter-color-swatch input:checked + .filter-color-swatch__circle {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-primary);
}

/* Filter actions */
.filter-actions {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-button--full {
    width: 100%;
}

.filter-reset {
    display: block;
    text-align: center;
    font-family: var(--font-display);
    font-size: 16px;
    color: #999;
    text-decoration: underline;
    text-underline-offset: 3px;
    padding: 8px;
}

.filter-reset:hover {
    color: var(--color-primary);
}

/* ---- Catalog Content ---- */
.catalog-content {
    min-width: 0;
}

/* Sort bar */
.catalog-sort-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.catalog-total {
    margin-right: auto;
    font-family: var(--font-display);
    font-size: 16px;
    color: var(--color-text-muted);
}

/* Filter button (sidebar) */
.filter-button {
    padding: 12px 24px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s, opacity .15s;
}

.filter-button:hover {
    opacity: .9;
}

.catalog-sort-select {
    padding: 10px 36px 10px 20px;
    border: 1px solid #cbcbcb;
    border-radius: 35px;
    font-family: var(--font-display);
    font-size: 16px;
    background: #fff;
    color: #333;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23333' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    outline: none;
    transition: border-color .15s ease;
}

.catalog-sort-select:focus {
    border-color: var(--color-primary);
}

/* Product grid — 3 columns like bumlavka.ru */
.catalog-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Load more button */
.catalog-load-more {
    display: flex;
    justify-content: center;
    margin: 60px 0 40px;
}

.catalog-load-more[hidden] {
    display: none;
}

.catalog-load-more__btn {
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* Pagination (fallback) */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 60px 0;
}

.pagination__item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
    height: 50px;
    padding: 0 16px;
    border-radius: 50px;
    border: 1px solid var(--color-primary);
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--color-primary);
    text-decoration: none;
    transition: background .15s ease, color .15s ease;
}

.pagination__item:hover {
    background: rgba(100, 125, 25, 0.08);
}

.pagination__item.is-active {
    background: var(--color-primary);
    color: #fff;
}

/* ---- Large desktop narrowing (1400-1599px) ---- */
@media (max-width: 1599px) {
    .catalog-content-block {
        padding: 0 40px;
    }

    .catalog-header__title {
        font-size: 60px;
    }
}

/* ---- Medium desktop / Tablet landscape (1000-1399px) ---- */
@media (max-width: 1399px) {
    .catalog-page {
        padding-top: 140px;
    }

    .catalog-content-block {
        padding: 0 24px;
    }

    .catalog-header__title {
        font-size: 48px;
    }

    .catalog-page__layout {
        grid-template-columns: 220px 1fr;
        gap: 24px;
    }

    .catalog-sidebar {
        top: 100px;
        font-size: 15px;
    }

    .filter-group {
        margin-bottom: 20px;
        padding-bottom: 18px;
    }

    .filter-group__title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .catalog-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}

/* ---- Mobile filter toggle (desktop hidden by default) ---- */
.catalog-filter-toggle { display: none; }
.catalog-sidebar-backdrop { display: none; }

/* ---- Tablet portrait / Mobile (< 1000px) ---- */
@media (max-width: 999px) {
    .catalog-page {
        padding-top: 80px;
    }

    .catalog-content-block {
        padding: 0 12px;
    }

    .catalog-header__title {
        font-size: 34px;
        margin-bottom: 16px;
    }

    .catalog-page__layout {
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* Кнопка «Фильтры» — компактная chip над товарами */
    .catalog-filter-toggle {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        margin: 0 0 16px;
        padding: 10px 16px;
        background: #fff;
        border: 1px solid var(--color-border, rgba(0,0,0,0.12));
        border-radius: 999px;
        font: inherit;
        font-weight: 500;
        cursor: pointer;
        color: var(--color-primary, #3a3a3a);
        box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    .catalog-filter-toggle:active { transform: scale(0.98); }

    /* Sidebar становится bottom-sheet'ом: фиксирован снизу, выезжает вверх. */
    .catalog-sidebar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        max-height: 85vh;
        overflow-y: auto;
        order: initial;
        margin: 0;
        padding: 16px 16px 24px;
        background: #fff;
        border: none;
        border-top-left-radius: 20px;
        border-top-right-radius: 20px;
        box-shadow: 0 -8px 32px rgba(0,0,0,0.18);
        z-index: 1001;
        transform: translateY(100%);
        transition: transform .25s ease-out;
        -webkit-overflow-scrolling: touch;
    }
    .catalog-sidebar.is-open { transform: translateY(0); }

    /* Backdrop затемнение */
    .catalog-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.45);
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: opacity .2s ease, visibility .2s ease;
    }
    .catalog-sidebar-backdrop.is-open {
        opacity: 1;
        visibility: visible;
    }

    /* Якорный «drag-handle» сверху bottom-sheet */
    .catalog-sidebar::before {
        content: '';
        display: block;
        width: 42px;
        height: 4px;
        background: rgba(0,0,0,0.18);
        border-radius: 2px;
        margin: 0 auto 12px;
    }

    .catalog-content {
        order: initial;
    }

    .catalog-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .filter-group__title {
        font-size: 17px;
    }

    .catalog-sort-bar {
        margin-bottom: 16px;
    }

    .catalog-total {
        font-size: 14px;
    }

    .catalog-sort-select {
        font-size: 14px;
        padding: 8px 30px 8px 14px;
    }

    .catalog-load-more {
        margin: 32px 0 20px;
    }

    .breadcrumbs {
        font-size: 14px;
        margin-bottom: 12px;
    }
}

/* ---- Small mobile (< 480px) ---- */
@media (max-width: 479px) {
    .catalog-header__title {
        font-size: 28px;
    }

    .catalog-grid {
        gap: 8px;
    }
}

/* Пустое состояние каталога */
.catalog-empty {
    grid-column: 1 / -1;
    padding: 48px 20px;
    text-align: center;
    color: #555;
}
.catalog-empty__title {
    margin: 0 0 12px;
    font-family: var(--font-display, inherit);
    font-size: 24px;
    color: #111;
}
.catalog-empty__desc {
    margin: 0 0 20px;
    font-size: 16px;
    color: #666;
}