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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #2c3e50;
    font-family: 'Press Start 2P', cursive, sans-serif;
}

#game-container {
    position: relative;
    width: 360px;
    height: 640px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

#game-canvas {
    background-color: #87CEEB;
    display: block;
}

#score-display {
    position: absolute;
    top: 50px;
    right: 10px;
    color: #fff;
    font-size: 12px;
    text-shadow: 2px 2px 0 #000;
    z-index: 10;
    padding: 5px 10px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    line-height: 1.4;
}

#game-over, #game-start {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    z-index: 10;
    width: 80%;
    max-width: 300px;
    border: 3px solid #e74c3c;
}

#game-start h2, #game-over h2 {
    color: #e74c3c;
    margin-bottom: 15px;
    font-size: 18px;
}

#game-start p, #game-over p {
    margin-bottom: 15px;
    font-size: 12px;
    line-height: 1.5;
}

.small-text {
    font-size: 8px !important;
    color: #bdc3c7;
}

#restart-button {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 10px 20px;
    margin-top: 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-family: 'Press Start 2P', cursive, sans-serif;
}

#restart-button:hover {
    background-color: #c0392b;
}

.hidden {
    display: none;
}