body {
    margin: 0;
    padding: 0;
    background-color: #fce4ec;
    /* Soft pastel pink background */
    font-family: 'Jua', sans-serif;
    /* Friendly, round Korean font */
    color: #4a4a4a;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

#game-ui {
    position: relative;
    background-color: #fff0f5;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(255, 182, 193, 0.4);
    text-align: center;
}

canvas {
    background-color: #e3f2fd;
    /* Light pastel sky */
    border: 6px solid #f8bbd0;
    border-radius: 12px;
    display: block;
    margin: 0 auto;
    cursor: default;
    /* Change to pointer when hovering over clickable rides later */
}

#threeCanvas {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 500px;
    border: 6px solid #b39ddb;
    /* Deep purple border for 3D mode */
    border-radius: 12px;
    box-sizing: border-box;
}

#controls-hint {
    margin-top: 15px;
    font-size: 18px;
    color: #78909c;
}

.hidden {
    display: none !important;
}

/* Button Styling for a relaxing feel */
button {
    margin-top: 15px;
    padding: 12px 25px;
    font-size: 18px;
    font-family: 'Jua', sans-serif;
    color: white;
    background-color: #f06292;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(240, 98, 146, 0.4);
    transition: all 0.3s ease;
}

button:hover {
    background-color: #ec407a;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(236, 64, 122, 0.5);
}

#start-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    padding: 20px 40px;
    z-index: 100;
}