body {
    font-family: 'Andika', sans-serif;
    background-color: #fffaf4;
    margin: 0;
    padding: 20px;
}

.header {
    background-color: #ff9999;
    color: white;
    text-align: center;
    padding: 20px 0;
}

    .header h1 {
        margin: 0;
        font-size: 2.5rem;
    }

.back-button {
    text-decoration: none;
    color: white;
    background-color: #ff7373;
    padding: 15px 25px;
    border-radius: 8px;
    font-size: 1.5rem;
    font-weight: bold;
}

    .back-button:hover {
        background-color: #ff4d4d;
    }

.main-container {
    display: flex;
    gap: 40px;
    justify-content: space-between;
}

.calculator-section {
    width: 40%;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    border: 1px solid #f08080;
    border-radius: 5px;
    font-size: 1.1rem;
}

.button-group {
    display: flex;
    justify-content: center;
}

button {
    padding: 10px 20px;
    background-color: #f08080;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
}

    button:hover {
        background-color: #d46d7f;
    }

.visual-section {
    width: 55%;
    background-color: #f7f7f7;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

canvas {
    display: block;
    width: 100%;
    height: 450px;
    margin-bottom: 20px;
}

.legend-table {
    margin: 20px auto;
    width: 80%;
    border-collapse: collapse;
}

    .legend-table th,
    .legend-table td {
        border: 1px solid #ccc;
        padding: 10px;
        text-align: center;
        font-size: 1.2rem;
    }

    .legend-table th {
        background-color: #ff9999;
        color: white;
    }

.explanation h3 {
    color: #f08080;
    font-size: 1.5rem;
}

.explanation p {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 20px;
}