body {
    font-family: 'Comic Sans MS', cursive, sans-serif; /* A doodle-like font */
    background-color: #f0f8ff; /* AliceBlue */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    overflow: hidden; /* Hide scrollbars as game manages its own scrolling */
    color: #333;
}

h1 {
    color: #4CAF50; /* Green */
    margin-bottom: 20px;
    text-shadow: 2px 2px #fff;
}

.game-container {
    width: 400px; /* Standard Doodle Jump width */
    height: 600px; /* Standard Doodle Jump height */
    border: 3px solid #8B4513; /* SaddleBrown */
    background-color: #e0ffff; /* LightCyan */
    overflow: hidden; /* Crucial for clipping game elements */
    position: relative; /* For absolute positioning of grid and player */
    box-shadow: 8px 8px 15px rgba(0,0,0,0.4);
    border-radius: 15px;
}

#grid {
    position: absolute;
    width: 100%;
    height: 100%; /* Will dynamically change based on scrolling */
    background-color: transparent;
    /* Optional: background image for doodle-like feel */
    /* background-image: url('doodle-bg.png'); */
    /* background-size: cover; */
}

.player {
    position: absolute;
    width: 60px;
    height: 60px;
    background-color: #ff4500; /* OrangeRed */
    border-radius: 50%; /* Makes it circular */
    bottom: 0; /* Starts at the bottom */
    left: calc(50% - 30px); /* Center horizontally */
    z-index: 10; /* Ensure player is on top of platforms */
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    color: white;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    transition: background-color 0.1s ease-in-out; /* Smooth color change on jump */
}

.player.jumping {
    background-color: #00bfff; /* DeepSkyBlue when jumping */
}


.platform {
    position: absolute;
    width: 100px;
    height: 20px;
    background-color: #4CAF50; /* Green */
    border-radius: 10px;
    border: 2px solid #388E3C; /* Darker green */
    box-shadow: 2px 2px 5px rgba(0,0,0,0.2);
    z-index: 5; /* Platforms are below player */
}

#game-over-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 30px 50px;
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    text-align: center;
    z-index: 100;
}

#game-over-screen h2 {
    color: #D32F2F; /* Red */
    margin-bottom: 20px;
    font-size: 2.5em;
}

#restart-button {
    padding: 15px 30px;
    font-size: 1.2em;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#restart-button:hover {
    background-color: #45a049;
}

.hidden {
    display: none;
}