.calc-melamina {
    max-width: 500px;
    margin: auto;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 10px;
    font-family: sans-serif;
}

.calc-melamina .grupo {
    margin-bottom: 15px;
}

.calc-melamina label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

.calc-melamina input {
    width: 30%;
    padding: 8px;
    margin-right: 5px;
    margin-bottom: 8px;
    border-radius: 5px;
    border: 1px solid #aaa;
}

.calc-melamina .fila {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.calc-melamina .fila input {
    flex: 1;
    min-width: 0;
}


#add-pieza {
    display: block;
    margin: 10px auto;
    padding: 10px 20px;
    font-weight: bold;
    background: #0073aa;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

@media (max-width: 600px) {
    .calc-melamina input {
        width: 100%;
    }
    .calc-melamina .fila {
        flex-direction: column;
    }
}

.borrar-fila {
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    font-weight: bold;
    cursor: pointer;
    height: 38px;
    margin-left: 5px;
}

.borrar-fila:hover {
    background: #c0392b;
}

#calcular-corte {
    display: block;
    margin: 20px auto;
    padding: 12px 30px;
    font-weight: bold;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

#calcular-corte:hover {
    background: #218838;
}