/* ===================================================
   PHÚC TÂM AN - STYLESHEET TRANG SẢN PHẨM (product.index)
   Thiết kế chuẩn 100% theo giao diện mẫu
   =================================================== */

/* BANNER HEADER TRANG SẢN PHẨM */
.product-banner {
    position: relative;
    height: 240px;
    background: #0f3d26 url('../assets/product-banner.jpg') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    overflow: hidden;
}

.product-banner-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(10, 48, 30, 0.45) 0%, rgba(5, 32, 20, 0.7) 100%);
}

.product-banner-content {
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.product-banner-title {
    font-family: "Be Vietnam Pro", Arial, sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 6px;
    letter-spacing: 0.8px;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
}

.product-banner-subtitle {
    font-family: "Be Vietnam Pro", Arial, sans-serif;
    font-style: italic;
    font-size: 18px;
    color: #f7f3dc;
    margin: 0;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

/* KHUNG NỘI DUNG CHÍNH */
.product-page-wrapper {
    max-width: 1320px;
    margin: 0 auto;
    padding: 16px 4% 50px;
}

/* THANH BREADCRUMB & TOOLBAR */
.product-toolbar-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 0 18px;
    border-bottom: 1px solid #e7ede4;
    margin-bottom: 22px;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #556c5d;
}

.breadcrumb-icon {
    font-size: 16px;
    color: #2b743f;
}

.breadcrumb-nav a {
    color: #2a5a3a;
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-nav a:hover {
    color: #064a35;
    text-decoration: underline;
}

.breadcrumb-sep {
    color: #9ab0a0;
}

.breadcrumb-current {
    font-weight: 600;
    color: #1a422b;
}

/* THANH SẮP XẾP VÀ CHUYỂN VIEW */
.product-sort-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.sort-label {
    font-size: 13px;
    color: #3b5a45;
    font-weight: 600;
}

.sort-select-wrapper {
    position: relative;
}

.sort-select {
    appearance: none;
    -webkit-appearance: none;
    background: #ffffff;
    border: 1px solid #cfdcd0;
    border-radius: 8px;
    padding: 7px 32px 7px 14px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    color: #20452f;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.sort-select:focus {
    border-color: #297442;
}

.sort-select-arrow {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 11px;
    color: #53755f;
}

.view-mode-toggle {
    display: flex;
    gap: 5px;
}

.view-btn {
    background: #ffffff;
    border: 1px solid #cfdcd0;
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #647d6c;
    transition: all 0.2s;
    font-size: 14px;
}

.view-btn.active, .view-btn:hover {
    background: #eef6ec;
    border-color: #2c6e3b;
    color: #1e5c2d;
}

/* BỐ CỤC 2 CỘT */
.product-content-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 26px;
    align-items: start;
}

/* SIDEBAR TRÁI */
.product-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* CARD DANH MỤC SẢN PHẨM */
.category-card {
    background: linear-gradient(180deg, #f7faf3 0%, #edf5eb 100%);
    border: 1px solid #dae7d5;
    border-radius: 16px;
    padding: 18px 14px;
    box-shadow: 0 2px 8px rgba(32, 70, 40, 0.04);
}

.category-card-header {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 16px;
    font-weight: 700;
    color: #174828;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid #dfe9dc;
}

.category-card-header .icon {
    font-size: 18px;
    color: #2d7b42;
}

.category-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border-radius: 12px;
    color: #1e452b;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    line-height: 1.35;
}

.category-item .cat-icon {
    font-size: 15px;
    flex-shrink: 0;
    color: #3f7b4e;
}

.category-item:hover {
    background: #e1edd9;
    color: #103b1e;
}

/* Mục active được chọn màu xanh nổi bật như ảnh mẫu */
.category-item.active {
    background: #347228;
    color: #ffffff;
    font-weight: 600;
    border-radius: 24px;
    box-shadow: 0 3px 10px rgba(52, 114, 40, 0.3);
}

.category-item.active .cat-icon {
    color: #d8f5c6;
}

/* CARD BANNER ƯU ĐÃI ĐẶC BIỆT */
.promo-sidebar-card {
    background: linear-gradient(145deg, #09341c 0%, #154c2d 100%);
    border-radius: 16px;
    padding: 24px 20px 20px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(9, 52, 28, 0.25);
}

.promo-sidebar-card::before {
    content: "";
    position: absolute;
    top: -30px;
    right: -30px;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(233, 198, 92, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.promo-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 6px;
    color: #ffffff;
    letter-spacing: 0.3px;
}

.promo-discount {
    font-family: "Be Vietnam Pro", Arial, sans-serif;
    font-size: 24px;
    font-weight: 800;
    color: #f7cb43;
    margin: 0 0 4px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.promo-condition {
    font-size: 11.5px;
    color: #d6e8dc;
    margin: 0 0 18px;
    line-height: 1.4;
}

.promo-button-wrap {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.promo-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #e9c65c;
    color: #103621;
    font-weight: 700;
    font-size: 12px;
    padding: 7px 16px;
    border-radius: 20px;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, background 0.2s;
}

.promo-btn:hover {
    background: #f1d478;
    transform: translateY(-2px);
}

.promo-teacup {
    font-size: 32px;
    margin-right: -4px;
    margin-bottom: -4px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
}

/* CỘT PHẢI: LƯỚI SẢN PHẨM */
.products-grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

/* THẺ SẢN PHẨM */
.tea-product-card {
    background: #ffffff;
    border: 1px solid #e2ebe0;
    border-radius: 14px;
    padding: 12px 12px 16px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(18, 55, 30, 0.05);
    transition: all 0.25s ease;
    position: relative;
}

.tea-product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(20, 68, 36, 0.14);
    border-color: #bad3be;
}

/* ẢNH SẢN PHẨM */
.tea-product-thumb {
    height: 205px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    background: #f4f7f2;
}

.tea-product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.tea-product-card:hover .tea-product-thumb img {
    transform: scale(1.05);
}

/* THÔNG TIN SẢN PHẨM */
.tea-product-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding-top: 12px;
    text-align: center;
}

.tea-product-title {
    font-size: 15px;
    font-weight: 700;
    color: #173e27;
    margin: 0 0 4px;
    line-height: 1.35;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tea-product-title a {
    color: inherit;
    text-decoration: none;
}

.tea-product-title a:hover {
    color: #2c773e;
}

.tea-product-weight {
    font-size: 12.5px;
    color: #637768;
    margin: 0 0 6px;
    font-weight: 500;
}

.tea-product-rating {
    font-size: 14px;
    color: #f5a623;
    letter-spacing: 1px;
    margin: 0 0 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.tea-product-rating .count {
    font-size: 12px;
    color: #798a7e;
    letter-spacing: 0;
    font-weight: 500;
}

.tea-product-price {
    font-size: 16.5px;
    font-weight: 800;
    color: #cc1818;
    margin: 4px 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.tea-product-price .deal-icon {
    color: #f7a200;
    font-size: 14px;
}

/* NÚT THÊM VÀO GIỎ */
.tea-btn-add-cart {
    background: #255831;
    color: #ffffff;
    border: none;
    border-radius: 20px;
    padding: 10px 16px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: auto;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.tea-btn-add-cart:hover {
    background: #174223;
    box-shadow: 0 4px 12px rgba(23, 66, 35, 0.35);
    transform: translateY(-1px);
}

/* CHẾ ĐỘ HIỂN THỊ DANH SÁCH (LIST VIEW) */
.products-grid-container.list-view-mode {
    grid-template-columns: 1fr;
}

.products-grid-container.list-view-mode .tea-product-card {
    flex-direction: row;
    gap: 16px;
    padding: 12px;
    align-items: center;
}

.products-grid-container.list-view-mode .tea-product-thumb {
    width: 150px;
    height: 120px;
    flex-shrink: 0;
}

.products-grid-container.list-view-mode .tea-product-info {
    text-align: left;
    align-items: flex-start;
    padding: 0;
}

.products-grid-container.list-view-mode .tea-product-title {
    justify-content: flex-start;
    min-height: auto;
    font-size: 15px;
}

.products-grid-container.list-view-mode .tea-product-rating {
    justify-content: flex-start;
}

.products-grid-container.list-view-mode .tea-product-price {
    justify-content: flex-start;
    font-size: 17px;
}

.products-grid-container.list-view-mode .tea-btn-add-cart {
    width: auto;
    padding: 8px 20px;
    margin-top: 6px;
}

/* RESPONSIVE */
@media (max-width: 1180px) {
    .products-grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .product-content-layout {
        grid-template-columns: 1fr;
    }

    .product-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .products-grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 650px) {
    .product-banner {
        height: 180px;
    }

    .product-banner-title {
        font-size: 30px;
    }

    .product-banner-subtitle {
        font-size: 14px;
    }

    .product-sidebar {
        grid-template-columns: 1fr;
    }

    .products-grid-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .tea-product-thumb {
        height: 130px;
    }

    .tea-product-title {
        font-size: 12px;
        min-height: 32px;
    }

    .tea-product-price {
        font-size: 13.5px;
    }

    .tea-btn-add-cart {
        font-size: 10.5px;
        padding: 6px 8px;
    }
}