body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    /* Prevent scrolling */
    background-color: #f0f9ff;
    /* Light playfull blue/white */
    user-select: none;
    /* Prevent text selection */
    touch-action: none;
    /* Prevent default touch actions like scroll */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

#start-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
    z-index: 10;
    /* pointer-events: none removed to allow clicks */
}

#start-overlay h1 {
    font-size: 3rem;
    color: #ff6b6b;
    text-shadow: 2px 2px #ffe66d;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-20px);
    }

    60% {
        transform: translateY(-10px);
    }
}