/* ========================================
   PÁGINA DE PRODUTO DETALHADA
   Alinhado ao design system dos cards
   ======================================== */

:root {
    --vermelho-diniz: #e30613;
    --vermelho-escuro: #b8050f;
    --cinza-diniz: #9f9c9a;
    --cinza-claro: #f5f5f5;
    --cinza-medio: #e0e0e0;
    --preto: #000000;
    --preto-leve: #1a1a1a;
    --branco: #ffffff;
    --sucesso: #28a745;
    --wa-green: #25D366;
    --wa-green-dark: #128C7E;
    --transicao: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Garante fundo branco na página */
body.page-product {
    background: var(--branco);
    color: var(--preto-leve);
}

/* Breadcrumb */
.breadcrumb {
    background: var(--cinza-claro);
    padding: 12px 0;
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    border-bottom: 1px solid var(--cinza-medio);
}

.breadcrumb a {
    color: var(--cinza-diniz);
    text-decoration: none;
    transition: var(--transicao);
}

.breadcrumb a:hover {
    color: var(--vermelho-diniz);
}

.breadcrumb .current {
    color: var(--preto);
    font-weight: 600;
}

.breadcrumb span {
    margin: 0 6px;
    color: var(--cinza-diniz);
}

/* ─── Layout Principal ─── */
.product-detail {
    padding: 50px 0 70px;
    background: var(--branco);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 36px;
    align-items: start;
}

/* ─── Galeria ─── */
.product-gallery {
    position: relative;
}

.gallery-main-wrap {
    position: relative;
    margin-bottom: 16px;
}

.gallery-main-wrap .badge-montagem {
    position: absolute;
    bottom: 16px;
    left: 16px;
    z-index: 10;
}

.main-image {
    background: var(--cinza-claro);
    border-radius: 16px;
    border: 1px solid var(--cinza-medio);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 0;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center center;
}

.main-image:hover img {
    transform: scale(1.12);
}

.thumbnail-images {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 24px;
}

.thumbnail {
    width: 72px;
    height: 72px;
    object-fit: contain;
    border-radius: 8px;
    border: 2px solid var(--cinza-medio);
    cursor: pointer;
    transition: var(--transicao);
    background: var(--cinza-claro);
    padding: 4px;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--vermelho-diniz);
    transform: scale(1.06);
}

.product-features-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 24px;
}

.feature-badge {
    text-align: center;
}

.feature-badge i {
    font-size: 28px;
    color: var(--vermelho-diniz);
    display: block;
    margin-bottom: 6px;
}

.feature-badge span {
    font-size: 13px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: var(--preto);
}

/* ─── Coluna de informações ─── */
.product-info-section {
    padding: 8px 0;
}

/* Logo da marca */
.brand-logo {
    margin-bottom: 14px;
}

.brand-logo img {
    max-height: 50px;
    width: auto;
}

/* Marca — igual ao .product-brand do card */
.pp-brand {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    color: var(--vermelho-diniz);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pp-brand::before {
    display: none;
}

/* Título — h1 */
.product-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.7rem;
    color: var(--preto);
    margin-bottom: 14px;
    line-height: 1.3;
}

.pp-index {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cinza-diniz);
    margin-left: 6px;
}

/* Badge de medida */
.pp-size-badge {
    display: inline-block;
    background: var(--cinza-claro);
    border: 1px solid var(--cinza-medio);
    color: var(--preto-leve);
    padding: 6px 14px;
    border-radius: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

/* Status de estoque */
.stock-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #f0fdf4;
    border-radius: 8px;
    margin-bottom: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
}

/* ─── Preços ─── */
.pricing-section {
    margin-bottom: 24px;
}

.original-price {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--cinza-diniz);
    text-decoration: line-through;
    margin-bottom: 4px;
}

.current-price {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 2.2rem;
    color: var(--preto);
    line-height: 1;
    margin-bottom: 8px;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.current-price .price-value {
    color: var(--preto);
}

.current-price .currency-symbol {
    font-size: 1rem;
    font-weight: 700;
    vertical-align: super;
    line-height: 1;
}

.current-price .price-avista {
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: var(--cinza-diniz);
    margin-left: 4px;
    align-self: flex-end;
    padding-bottom: 4px;
}

.installment-info {
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    color: var(--preto-leve);
}

.installment-info strong {
    color: var(--vermelho-diniz);
}

/* ─── Seção de compra ─── */
.purchase-section {
    margin-bottom: 28px;
}

.qty-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cinza-diniz);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.quantity-selector {
    display: inline-flex;
    border: 2px solid var(--cinza-medio);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 16px;
}

.quantity-selector button {
    width: 46px;
    height: 46px;
    border: none;
    background: var(--cinza-claro);
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    color: var(--preto-leve);
    transition: var(--transicao);
    line-height: 1;
}

.quantity-selector button:hover {
    background: var(--cinza-medio);
}

.quantity-selector input {
    width: 72px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--cinza-medio);
    border-right: 1px solid var(--cinza-medio);
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--preto);
    background: var(--branco);
    -moz-appearance: textfield;
}

.quantity-selector input::-webkit-outer-spin-button,
.quantity-selector input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Botão WhatsApp — CTA principal */
.btn-whatsapp-product {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--wa-green) 0%, var(--wa-green-dark) 100%);
    color: var(--branco);
    border: none;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transicao);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-product:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(37, 211, 102, 0.45);
    background: linear-gradient(135deg, var(--wa-green-dark) 0%, #075E54 100%);
    color: var(--branco);
    text-decoration: none;
}

/* ─── Tabela de especificações (inline, coluna direita) ─── */
.specs-inline {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--cinza-medio);
}

.specs-inline .specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-inline .specs-table tr {
    border-bottom: 1px solid var(--cinza-medio);
}

.specs-inline .specs-table tr:last-child {
    border-bottom: none;
}

.specs-inline .specs-table tr:nth-child(even) {
    background: var(--cinza-claro);
}

.specs-inline .specs-table td {
    padding: 11px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
}

.specs-inline .specs-table td:first-child {
    color: var(--cinza-diniz);
    font-weight: 600;
    width: 42%;
}

.specs-inline .specs-table td:last-child {
    color: var(--preto);
    font-weight: 700;
}

/* ─── Descrição curta ─── */
.product-short-description {
    background: var(--cinza-claro);
    border: 1px solid var(--cinza-medio);
    border-radius: 12px;
    padding: 20px 28px;
    margin-bottom: 24px;
}

.product-short-description p {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--preto-leve);
    margin: 0;
}

/* ─── Seção: Pneus Semelhantes ─── */
.related-section {
    background: #f4f4f4;
    padding: 60px 0 70px;
}

.related-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.related-header h2 {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--vermelho-diniz);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
}

.related-size-tag {
    display: inline-block;
    background: var(--cinza-claro);
    border: 1px solid var(--cinza-medio);
    color: var(--preto-leve);
    padding: 5px 14px;
    border-radius: 20px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
}

/* Grid igual ao da listagem — 4 cols → 3 → 2 */
.related-section .products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

@media (max-width: 1100px) {
    .related-section .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .related-section .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

/* ─── Tabs: Detalhes técnicos / Sobre o pneu ─── */
.product-tabs-section {
    background: var(--branco);
    border-radius: 14px;
    border: 1px solid var(--cinza-medio);
    box-shadow: 0 2px 14px rgba(0,0,0,0.06);
    margin-bottom: 40px;
    overflow: hidden;
}

.ptabs-header {
    display: flex;
    border-bottom: 2px solid var(--cinza-medio);
    background: var(--cinza-claro);
}

.ptab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    border: none;
    background: transparent;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cinza-diniz);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transicao);
    white-space: nowrap;
}

.ptab-btn:hover {
    color: var(--preto);
    background: rgba(0,0,0,0.03);
}

.ptab-btn.active {
    color: var(--vermelho-diniz);
    border-bottom-color: var(--vermelho-diniz);
    background: var(--branco);
}

.ptab-btn svg {
    flex-shrink: 0;
    opacity: 0.75;
}

.ptab-btn.active svg {
    opacity: 1;
}

/* Painéis */
.ptab-panel {
    display: none;
}

.ptab-panel.active {
    display: block;
    animation: ptabFadeIn 0.22s ease;
}

@keyframes ptabFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Grid de especificações — 2 colunas */
.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 24px;
    border-bottom: 1px solid var(--cinza-medio);
    gap: 16px;
}

.spec-item:nth-child(4n+1),
.spec-item:nth-child(4n+2) {
    background: var(--branco);
}

.spec-item:nth-child(4n+3),
.spec-item:nth-child(4n+4) {
    background: #fafafa;
}

.spec-item:last-child,
.spec-item:nth-last-child(2):nth-child(odd) {
    border-bottom: none;
}

.spec-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.87rem;
    font-weight: 500;
    color: var(--cinza-diniz);
    flex-shrink: 0;
}

.spec-label-unit {
    font-size: 0.78em;
    font-weight: 400;
    opacity: 0.75;
}

.spec-value {
    font-family: 'Inter', sans-serif;
    font-size: 0.87rem;
    font-weight: 700;
    color: var(--preto);
    text-align: right;
}

.spec-label-icon {
    display: flex;
    align-items: center;
}

.spec-label-icon img {
    height: 30px;
    width: auto;
}

.spec-label-icon img[alt="Ruído Externo"] {
    height: 25px;
}

/* Conteúdo "Sobre o pneu" */
.description-content {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--preto-leve);
    padding: 28px 32px;
}

.description-content h2,
.description-content h3,
.description-content h4,
.description-content h5 {
    font-family: 'Inter', sans-serif;
    font-weight: normal;
    color: var(--preto-leve);
    margin: 20px 0 8px;
    line-height: 1.3;
    text-transform: none;
}

.description-content h2 { font-size: 1.2rem; }
.description-content h3 { font-size: 1.1rem; }
.description-content h4 { font-size: 1rem; }
.description-content h5 { font-size: 0.92rem; }

.description-content h2:first-child,
.description-content h3:first-child,
.description-content h4:first-child {
    margin-top: 0;
}

.description-content p {
    margin: 0 0 12px;
}

.description-content p:last-child {
    margin-bottom: 0;
}

.description-content strong {
    font-weight: 700;
    color: var(--preto);
}

.description-content em {
    font-style: italic;
}

.description-content ul,
.description-content ol {
    padding-left: 22px;
    margin: 4px 0 12px;
}

.description-content li {
    margin-bottom: 6px;
}

/* Descrição curta — elementos HTML renderizados */
.short-description-body {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--preto-leve);
}

.short-description-body strong {
    font-weight: 700;
    color: var(--preto);
}

.short-description-body h4,
.short-description-body h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--vermelho-diniz);
    margin: 12px 0 4px;
}

.short-description-body p {
    margin: 0 0 8px;
}

.short-description-body p:last-child {
    margin-bottom: 0;
}

/* ─── Responsivo ─── */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .main-image {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .product-detail {
        padding: 30px 0 50px;
    }

    .product-title {
        font-size: 1.3rem;
    }

    .current-price {
        font-size: 1.8rem;
    }

    .details-row {
        grid-template-columns: 1fr;
    }

    .about-section {
        padding: 20px;
    }

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

    .ptab-btn {
        padding: 14px 18px;
        font-size: 0.82rem;
    }

    .related-header h2 {
        font-size: 1.4rem;
    }
}