.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.produto-layout {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 30px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px 50px;
    box-sizing: border-box;
}

/* GALERIA */
.img-principal {
    width: 100%;
    border-radius: 10px;
}

.thumbs {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.thumbs img {
    width: 70px;
    cursor: pointer;
}

/* DESCRIÇÃO */
.descricao-box {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 10px;
    line-height: 1.6;
}

/* COMPRA */
.box-compra {
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 10px;
    position: sticky;
    top: 120px;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
}

.col-galeria {
    padding: 20px;
}

.img-principal {
    border: 1px solid #ddd;
    width: 100%;
    max-width: 400px;
    /* 🔥 controla tamanho */

    display: block;
    margin: 0 auto;
    /* 🔥 centraliza */

    border-radius: 10px;

    cursor: zoom-in;
    /* 🔥 indica interação */
    transition: 0.2s;
}

.img-principal:hover {
    transform: scale(1.02);
}

.thumbs {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.thumbs img {
    width: 60px;
    height: 60px;
    object-fit: cover;

    border-radius: 6px;
    cursor: pointer;
    opacity: 0.7;
    border: 1px solid #eee;
}

.thumbs img:hover {
    opacity: 1;
}

.modal-img {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    background: rgba(0,0,0,0.8);

    display: none;
    align-items: center;
    justify-content: center;

    z-index: 9999;
}

.modal-img img {
    max-width: 90%;
    max-height: 90%;

    border-radius: 10px;
    animation: zoomIn 0.2s ease;
}


@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.col-compra {
    max-width: 320px;
    width: 100%;
    justify-self: end;
}

.col-descricao h1 {
    text-align: center;
}

.produto-titulo {
    margin-bottom: 4px;
}

.produto-categoria {
    margin: 0 0 20px;
    color: #6b7280;
    font-size: 0.9rem;
    text-align: center;
}

.toast-carrinho {
    position: fixed;
    z-index: 10000;
    right: 24px;
    bottom: 24px;
    max-width: min(360px, calc(100vw - 32px));
    padding: 14px 18px;
    border-radius: 8px;
    background: #d9edf7;
    color: #000;
    border: 1px solid #9ccfe3;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.toast-carrinho.visivel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.toast-carrinho.erro {
    background: #dc3545;
    border-color: #b02a37;
    color: #fff;
}

.preco {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 15px;
}

/* QUANTIDADE */
.qtd-box {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px auto;
    justify-content: center;
    width: fit-content;
    padding: 5px;
    border: 1px solid #d8e0ea;
    border-radius: 8px;
}

.qtd-box button {
    width: 30px;
    height: 30px;
    border: 0;
    border-radius: 5px;
    background: var(--primary-blue);
    color: #fff;
    cursor: pointer;
    font-size: 16px;
}

.qtd-box button:hover { background: #000; }

.qtd-box input {
    width: 25px;
    text-align: center;
    height: 30px;
    padding: 0;
    border: 0;
    font-weight: bold;
    -moz-appearance: textfield;
}

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

/* BOTÃO */
.btn-comprar {
    width: 100%;
    background: var(--primary-blue);
    color: #fff;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}

.tag-tamanho:hover {
    background: #000;
    color: #fff;
}

.tag-tamanho.ativo {
    background: #000;
    color: #fff;
    border-color: #000;
    box-shadow: 0 0 0 2px #000 inset;
}

.tag-tamanho small {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    font-weight: 600;
}

.tag-tamanho {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: 8px 14px;
    border: 1px solid var(--primary-blue);
    border-radius: 20px;

    text-decoration: none;
    color: #000;
    background: #fff;

    font-size: 14px;
    line-height: 1;

    white-space: nowrap;
    transition: 0.2s;

    min-width: 70px;
    margin-top: 10px;
}

.btn-comprar:hover {
    background: var(--secondary-blue);
}

.btn-comprar i {
    margin-right: 8px;
}

.tag-altura {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 70px;
    padding: 8px 14px;
    border: 1px solid var(--primary-blue);
    border-radius: 20px;
    color: #000;
    background: #fff;
    text-decoration: none;
    font-size: 14px;
    line-height: 1;
    white-space: nowrap;
    transition: .2s;
}

.alturas {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
    justify-content: center;
}

.outros-tamanhos {
    padding-top: 8px;
    text-align: center;
}

.tag-altura:hover,
.tag-altura.ativo {
    background: #000;
    border-color: #000;
    color: #fff;
}

.lista-tamanhos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

@media (max-width: 900px) {
    .produto-layout {
        grid-template-columns: minmax(0, 1fr) minmax(260px, .8fr);
        gap: 22px;
    }

    .col-galeria {
        padding: 0;
    }

    .col-descricao {
        grid-column: 1 / -1;
        min-width: 0;
    }

    .col-compra {
        grid-column: 1 / -1;
        max-width: none;
        justify-self: stretch;
    }

    .box-compra {
        position: static;
    }
}

@media (max-width: 600px) {
    .produto-layout {
        display: flex;
        flex-direction: column;
        gap: 20px;
        padding: 20px 14px 35px;
    }

    .col-galeria,
    .col-descricao,
    .col-compra {
        width: 100%;
        max-width: none;
    }

    .col-descricao {
        display: contents;
    }

    .col-descricao h1 {
        order: 1;
        width: 100%;
        margin: 0;
    }

    .col-galeria {
        order: 2;
    }

    .outros-tamanhos {
        order: 3;
        width: 100%;
    }

    .grupo-altura {
        order: 4;
        width: 100%;
    }

    .col-compra {
        order: 5;
    }

    .descricao-box {
        order: 6;
        width: 100%;
    }

    .img-principal {
        max-width: 100%;
        max-height: 58vh;
        object-fit: contain;
    }

    .thumbs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .col-descricao h1 {
        font-size: 1.55rem;
        line-height: 1.2;
        overflow-wrap: anywhere;
    }

    .descricao-box {
        padding: 15px;
        overflow-wrap: anywhere;
    }

    .box-compra {
        padding: 16px;
        text-align: center;
    }

    .qtd-box {
        justify-content: center;
    }

    .tamanho,
    .altura {
        text-align: center;
    }

    .qtd-box input {
        flex: 0 1 70px;
    }

    .toast-carrinho {
        right: 16px;
        bottom: 16px;
        left: 16px;
        max-width: none;
        text-align: center;
    }
}