body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: black;
}

#visualization {
    position: relative;
    width: 80vw;
    height: 30vh;
    margin: 0 auto;
    transform: translateY(-40%);
}

.line {
    position: absolute;
    width: 2px;
    height: 30%;
    background-color: white;
    bottom: 10%;
    z-index: 1;
}

.red-extension::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 50%;
    background-color: red;
    bottom: 100%;
    z-index: -1;
}

.blue-extension::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 50%;
    background-color: blue;
    top: 100%;
    z-index: -1;
}

#rhythmForm {
    position: fixed;
    top: 20vh;
    left: 50%;
    transform: translate(-50%, -30%);
    z-index: 2;
    background-color: #414141;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0px 7px 8px rgba(255, 255, 255, 0.05);
}

#rhythmForm input[type="number"],
#rhythmForm button {
    padding: 10px;
    margin: 0 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

#rhythmForm button {
    background-color: #ffffff;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#rhythmForm button:hover {
    background-color: #bbbbbb;
}

#rhythmForm,
#visualization {
    max-width: 600px;
}

@media (max-width: 768px) {
    #visualization {
        width: 90vw;
        height: 25vh;
    }
    
    #rhythmForm {
        top: 10vh;
        left: 50%;
        transform: translate(-50%, -10vh);
    }
    
    .line,
    .red-extension::before,
    .blue-extension::after {
        width: 1.5px;
    }
}

@media (max-width: 480px) {
    #visualization {
        width: 95vw;
        height: 20vh;
    }

    #rhythmForm {
        top: 15vh;
    }

    .line,
    .red-extension::before,
    .blue-extension::after {
        width: 1px;
    }
}

@media screen and (orientation: landscape) and (max-width: 1200px) {
    #rhythmForm {
        position: fixed;
        top: 5%;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 10px;
        z-index: 2;
        background-color: #414141;
        box-sizing: border-box;
    }

    #rhythmForm input[type="number"],
    #rhythmForm button {
        margin: 0 5px;
        flex: 1 1 auto;
        max-width: 300px;
    }

    #rhythmForm button {
        padding: 10px 20px;
    }
    
    #visualization {
        position: absolute;
        bottom: 10%;
        width: 100%;
        height: calc(100vh - 60px);
        transform: none;
    }
}

@media screen and (orientation: landscape) and (max-width: 768px) {
    #rhythmForm {
        display: flex;
        align-items: center;
        justify-content: space-around;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        padding: 10px;
        box-sizing: border-box;
        background-color: #414141;
    }

    #rhythmForm input[type="number"],
    #rhythmForm button {
        flex: 1;
        margin: 5px;
    }

    #rhythmForm input[type="number"] {
        max-width: none;
    }

    #rhythmForm button {
        padding: 10px 20px;
    }
    
    #visualization {
        position: absolute;
        top: 15vh;
        width: 100%;
        height: 85vh;
    }
}

@media screen and (orientation: landscape) and (max-width: 480px) {
    #rhythmForm {
        padding: 8px;
    }

    #visualization {
        top: 10vh;
        height: 90vh;
    }
}