body {
    margin: 0;
    overflow: hidden;
    font-family: Arial, sans-serif;
    background: linear-gradient(#ff7e5f, #feb47b);
    color: white;
}

#introScreen {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(#ff7e5f, #feb47b);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

#gameLogo {
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
    animation: bounceLogo 1.5s infinite ease-in-out;
}

@keyframes bounceLogo {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

#introScreen h1 {
    font-size: 50px;
}

#startBtn {
    padding: 15px 30px;
    font-size: 20px;
    border-radius: 10px;
    border: none;

    box-shadow: 0 6px 15px rgba(0,0,0,0.3);

    transition: all 0.2s ease;
}

#startBtn:active {
    transform: translateY(3px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

#gameCanvas {
    display: none;
    background: transparent;
}

#titleEmoji {
    display: inline-block;
}

.emoji-animate {
    animation: emojiPop 0.4s ease;
}

@keyframes emojiPop {
    0% {
        transform: scale(0) rotate(180deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.3) rotate(-20deg);
        opacity: 1;
    }
    100% {
        transform: scale(1) rotate(0deg);
    }
}