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

body {
    font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif;
    background: linear-gradient(to bottom, #1a6dd5, #0a2463);
    color: #fff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.game-header {
    text-align: center;
}

h1 {
    font-size: 3rem;
    color: #ffde59;
    text-shadow: 3px 3px 0 #ff914d;
    margin-bottom: 10px;
}

.score-container {
    font-size: 1.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
}

canvas {
    background-color: rgba(10, 50, 120, 0.7);
    border: 4px solid #ffde59;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255, 222, 89, 0.5);
}

.game-controls {
    display: flex;
    gap: 20px;
}

button {
    background-color: #ff914d;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s, background-color 0.2s;
}

button:hover {
    background-color: #ffde59;
    transform: scale(1.05);
}

/* Create bubbles animation */
.game-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 20%, #1a6dd5 70%);
    background-size: 20px 20px;
    animation: bubbleFloat 15s linear infinite;
    z-index: -1;
    opacity: 0.3;
}

@keyframes bubbleFloat {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 500px -500px;
    }
}