body {
    margin: 0;
    overflow: hidden;
    background-color: #f0f0f0;
    height: 100vh;
    width: 100vw;
}

#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

#gameArea {
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* Add styles for fullscreen */
:fullscreen {
    background-color: #f0f0f0;
}

/* Webkit support */
:-webkit-full-screen {
    background-color: #f0f0f0;
}

/* Mozilla support */
:-moz-full-screen {
    background-color: #f0f0f0;
}

/* Microsoft support */
:-ms-fullscreen {
    background-color: #f0f0f0;
}

.ball {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-family: Arial, sans-serif;
    font-size: 20px;
    color: white;
    text-shadow: 1px 1px 2px black;
    user-select: none;
    transform: translate(-50%, -50%);
}

#homeLink {
    padding: 10px 20px;
    background-color: #673AB7;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    font-family: Arial, sans-serif;
    margin-right: auto;
}

#resetButton {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-left: 10px;
}

#fullscreenButton {
    padding: 10px 20px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-left: 10px;
}

#homeLink:hover {
    background-color: #5E35B1;
}

#resetButton:hover {
    background-color: #45a049;
}

#fullscreenButton:hover {
    background-color: #1976D2;
}