body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    padding: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.main {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 80%;
    height: 90%;
    margin: 60px 0;
    background-image: linear-gradient(120deg, #e0c3fc 0%, #8ec5fc 100%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    padding: 20px;
    box-sizing: border-box;
}

.main-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 80%;
    max-width: 1200px;
    padding: 20px;
    box-sizing: border-box;
}

h1 {
    text-align: center;
    font-size: 30px;
    color: #000000;
    margin: 20px 0;
    width: 100%;
}

.content {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.container, .output-container {
    width: 50%;
    margin: 18px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}

canvas {
    display: block;
    width: 90%;
    max-width: 400px;
}

#fdChart {
    width: 250px;
    height: 250px;
}

.result {
    padding: 8px;
    display: none;
    background-color: #0b92fc;
    color: white;
    margin: 20px 0 40px 0;
    width: 80%;
    height: 80%;
    text-align: center;
}

.result p {
    margin: 10px;
    font-size: 17px;
}

form {
    width: 100%;
}

form label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 18px;
}

form input {
    width: 70%;
    padding: 8px 10px;
    margin-bottom: 20px;
    box-sizing: border-box;
}

.button {
    display: flex;
    justify-content: space-between;
    width: 70%;
}

button {
    padding: 10px 20px;
    background-color: #ffb521;
    color: #ffffff;
    border: none;
    cursor: pointer;
    font-size: 16px;
    text-align: center;
}

button:hover {
    background-color: #f7ae1b;
}

input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield; 
}

/* Media Queries for Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        margin: 30px 0 40px;
    }

    .main {
        margin: 60px 0;
    }

    .main, .main-container {
        width: 80%;
        padding: 8px;
    }

    .main-container {
        width: 80%;
        height: 100%;
        margin-bottom: 15px;
        flex-direction: column;
        padding-bottom: 20px;
    }

    .container, .output-container {
        width: 80%;
        margin: 10px 0;
    }

    form input {
        width: 100%;
    }

    .button {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    button {
        margin: 10px 0;
        width: 80%;
    }

    #fdChart {
        width: 100%;
        height: auto;
    }

    .output-container {
        align-items: center;
        justify-content: center;
        margin: 20px;
    }

    .result {
        font-size: 16px;
        height: 40%;
        width: 100%;
        align-items: center;
        justify-content: center;
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    body {
        margin: 30px 0 40px;
    }

    .main {
        margin: 60px 0 90px 0;
        height: 100%;
    }

    .main, .main-container {
        width: 80%;
        padding: 8px;
    }

    .main-container {
        width: 80%;
        height: 90%;
        flex-direction: column;
        padding-bottom: 20px;
    }

    .container, .output-container {
        width: 80%;
        margin: 10px 0;
    }

    h1 {
        font-size: 24px;
    }

    form label {
        font-size: 16px;
    }

    form input {
        font-size: 14px;
    }

    .button {
        width: 100%;
    }

    button {
        font-size: 14px;
        width: 100%;
    }

    #fdChart {
        width: 100%;
        height: auto;
    }
    
    .result {
        font-size: 14px;
        height: 40%;
        width: 100%;
        align-items: center;
        justify-content: center;
        margin-bottom: 15px;
    }

    .output-container {
        align-items: center;
        justify-content: center;
        margin: 20px;
    }

    .result p {
        font-size: 14px;
    }
}