*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f0f0f0;
    color: #333;
}

/* ── HEADER ── */
header {
    background-color: #222;
    color: white;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.4rem;
}

nav {
    display: flex;
    gap: 16px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
}

nav a:hover {
    color: rgb(0, 149, 255);
}

/* ── SEÇÃO DE PRODUTOS ── */
.produtos {
    padding: 30px 24px;
}

.produtos h2 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

#cards-produtos {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

/* ── CARD ── */
.card {
    background-color: white;
    width: 200px;
    padding: 14px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 6px;
}

.card h3 {
    font-size: 0.95rem;
}

.card p {
    font-size: 1rem;
    font-weight: bold;
    color: #222;
}

.btn-comprar {
    background-color: #222;
    color: white;
    border: none;
    padding: 9px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-comprar:hover {
    background-color: rgb(0, 128, 255);
    color: #222;
}

/* ── BOTÃO IR PARA LOJA ── */
#btn-ir-loja {
    display: block;
    margin: 0 auto 40px;
    background-color: #222;
    color: white;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

#btn-ir-loja:hover {
    background-color: rgb(0, 42, 255);
    color: #222;
}

/* ── PÁGINA LOJA (duas colunas) ── */
.pagina-loja main {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 30px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.pagina-loja .produtos {
    flex: 1;
    padding: 0;
}

.pagina-loja .card img {
    object-fit: contain;
    background: #f9f9f9;
    border: 1px solid #ddd;
}

/* ── CARRINHO SIMPLES ── */

.carrinho-container {
    width: 280px;
    background: #ffffff;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 10px;
}

.carrinho-container h2 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

#lista-carrinho {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.item-carrinho {
    background: #f3f3f3;
    padding: 10px;
    border-radius: 6px;
}

.item-nome {
    font-size: 0.9rem;
    font-weight: bold;
}

.item-preco {
    color: green;
    margin-top: 4px;
}

#total-compra {
    margin-top: 10px;
    font-weight: bold;
    font-size: 1rem;
}

.btn-pagar {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    background: #222;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.btn-pagar:hover {
    background: rgb(0, 81, 255);
    color: black;
}

#lista-carrinho {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
    max-height: 320px;
    overflow-y: auto;
}

.item-carrinho {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f5f5f5;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #ddd;
    gap: 8px;
}

.item-nome {
    flex: 1;
    font-size: 0.88rem;
    font-weight: bold;
}

.item-qtd {
    font-size: 0.8rem;
    background: #222;
    color: white;
    padding: 2px 7px;
    border-radius: 10px;
}

.item-preco {
    font-size: 0.88rem;
    font-weight: bold;
    color: #2a7a2a;
}

/* ── TOTAL ── */
#total-compra {
    font-size: 1rem;
    color: #2a7a2a;
    text-align: right;
    padding: 10px 0;
    border-top: 1px solid #ddd;
    margin-bottom: 12px;
}

/* ── BOTÃO DESCONTO ── */
#btn-desconto {
    width: 100%;
    background-color: #222;
    color: white;
    padding: 11px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 10px;
}

#btn-desconto:hover:not(:disabled) {
    background-color: rgb(0, 51, 255);
    color: #222;
}

#btn-desconto:disabled {
    background-color: #999;
    cursor: not-allowed;
}

/* ── BOTÃO VOLTAR ── */
.btn-voltar {
    display: block;
    text-align: center;
    background-color: #f0f0f0;
    color: #222;
    padding: 10px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 0.9rem;
}

.btn-voltar:hover {
    background-color: #ddd;
}

/* ── SOBRE ── */
.sobre {
    padding: 40px 24px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.sobre h2 {
    margin-bottom: 16px;
}

.sobre p {
    margin-bottom: 10px;
}

/* ── RESPONSIVO ── */
@media (max-width: 768px) {
    .pagina-loja main {
        flex-direction: column;
    }

    .carrinho-container {
        width: 100%;
        position: static;
    }
}