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

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    background-color: #424242; /* dark */
    padding: 20px;
}

.container {
    background-color: #1f1f1f; /* dark */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3); /* dark */
    width: 90%;
    max-width: 500px;
    text-align: center;
}

h2 {
    color: #ffffff; /* dark */
    margin-bottom: 20px;
}

button {
    padding: 12px 24px;
    font-size: 16px;
    background-color: #2195f396; /* dark */
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-bottom: 20px;
    width: 100%;
    max-width: 300px;
}

button:hover {
    background-color: #1976D2; /* dark */
}

p {
    font-size: 18px;
    color: #ffffff; /* dark */
    text-align: center;
}

footer {
    margin-top: 20px;
    text-align: center;
}

footer a {
    color: #2196F3; /* dark */
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #1976D2; /* dark */
    text-decoration: underline;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    button {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    p {
        font-size: 16px;
    }
}

/* Estilos para os containers de input */
.input-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.product-container {
    background-color: #2d2d2d;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.titulo-produto {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    color: #ffffff;
    margin-bottom: 5px;
    font-size: 0.9em;
}

.input-numero {
    width: 100%;
    padding: 8px 12px;
    background-color: #3d3d3d;
    border: 1px solid #4d4d4d;
    border-radius: 4px;
    color: #ffffff;
    font-size: 1em;
    transition: border-color 0.3s;
}

.input-numero:focus {
    outline: none;
    border-color: #2196F3;
}

.input-numero::placeholder {
    color: #888888;
} 

.resultado {
    color: #fffb00;
}