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

body {
    background: #111;
    color: #eee;
    font-family: 'Courier New', monospace;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

h1 {
    font-size: 3rem;
    letter-spacing: 0.5em;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

#lobby {
    text-align: center;
}

#lobby p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
    color: #999;
}

.buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

button {
    background: #222;
    color: #eee;
    border: 2px solid #555;
    padding: 0.8rem 2rem;
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

button:hover {
    border-color: #fff;
}

#game {
    display: none;
    text-align: center;
}

#info {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: #999;
}

canvas {
    border: 2px solid #333;
    display: block;
    width: 100%;
    max-width: 800px;
    height: auto;
    touch-action: none;
}

#game-over {
    display: none;
    text-align: center;
    margin-top: 2rem;
}

#game-over h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

input[type="text"] {
    background: #222;
    color: #eee;
    border: 2px solid #555;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: 1rem;
    text-align: center;
    outline: none;
}

input[type="text"]:focus {
    border-color: #fff;
}

#queue {
    text-align: center;
}

.queue-status {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

#queue-waiting {
    font-size: 1rem;
    color: #999;
    margin-bottom: 1.5rem;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@media (max-height: 500px) {
    canvas {
        width: auto;
        height: 70vh;
    }

    #info {
        margin-bottom: 0.25rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 600px) {
    body {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
        letter-spacing: 0.3em;
    }

    .buttons {
        flex-direction: column;
    }

    button {
        width: 100%;
    }

    input[type="text"] {
        width: 100%;
    }
}