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

body {
    font-family: 'Arial', sans-serif;
    background-color: #000;
    color: #ccc;
    overflow: hidden;
}

#game-container {
    width: 100vw;
    height: 100vh;
    position: relative;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.9);
    text-align: center;
    padding: 20px;
}

.hidden {
    display: none;
}

h1 {
    font-size: 4rem;
    letter-spacing: 0.5rem;
    margin-bottom: 2rem;
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.3);
}

h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #ff3333;
    text-shadow: 0 0 8px rgba(255, 0, 0, 0.5);
}

p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

button {
    background-color: #222;
    color: #fff;
    border: 1px solid #555;
    padding: 10px 30px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

button:hover {
    background-color: #333;
    border-color: #777;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.instructions {
    font-size: 0.9rem;
    opacity: 0.7;
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

#audio-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.5;
    pointer-events: none;
    transition: all 0.3s ease;
}