body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
}

.caixa {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 300px;
    max-width: 90%;
    margin: 8rem auto;
    box-sizing: border-box;
}

.caixa h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.caixa label {
    display: block;
    margin-top: 1rem;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.caixa input {
    width: 100%;
    padding: 0.5rem;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.caixa button {
    width: 100%;
    margin-top: 1.5rem;
    padding: 0.6rem;
    background: #2e7d32;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.caixa button:hover {
    background: #256428;
}

.erro {
    color: #c00;
    text-align: center;
    margin-top: 1rem;
}

.topo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.topo h2 {
    margin: 0;
    font-size: 1.2rem;
}

.grade {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    padding: 1.5rem 2rem 6rem;
}

.produto {
    background: #fff;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.produto h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
}

.linha {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preco {
    font-weight: bold;
    color: #2e7d32;
}

.qtd-input {
    width: 60px;
    padding: 0.3rem;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.rodape {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 1rem 2rem;
    box-shadow: 0 -1px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.rodape select {
    padding: 0.5rem;
}

.rodape button {
    padding: 0.6rem 1.5rem;
    background: #2e7d32;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#total-pedido {
    font-size: 1.2rem;
    font-weight: bold;
}

/* ===== Ajustes responsivos (celular) ===== */

@media (max-width: 600px) {

    .caixa {
        margin: 3rem auto;
        padding: 1.5rem;
    }

    .topo {
        padding: 1rem;
    }

    .topo h2 {
        font-size: 1.05rem;
    }

    .grade {
        grid-template-columns: 1fr;
        padding: 1rem 1rem 6rem;
    }

    .rodape {
        padding: 1rem;
    }

    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        max-width: 100%;
        -webkit-overflow-scrolling: touch;
    }

    .qtd-controls {
        display: flex;
        align-items: center;
        gap: 0.4rem;
    }

    .qtd-controls .qtd-input {
        width: 60px;
        font-size: 1.1rem;
        padding: 0.4rem;
        text-align: center;
    }

    .qtd-btn {
        width: 38px;
        height: 38px;
        border: 1px solid #2e7d32;
        background: #fff;
        color: #2e7d32;
        border-radius: 50%;
        font-size: 1.2rem;
        line-height: 1;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
    }

    .qtd-btn:active {
        background: #2e7d32;
        color: #fff;
    }
}