:root {
    --bg-primary: #0f172a;
    --text-primary: #f8fafc;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --panel-bg: #1e293b;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

#lobby-container {
    background-color: var(--panel-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

#status {
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: #94a3b8;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

input {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid #475569;
    border-radius: 6px;
    background-color: #0f172a;
    color: white;
    font-size: 1.2rem;
    text-align: center;
    text-transform: uppercase;
}

button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: var(--accent-hover);
}

#room-code {
    font-size: 2rem;
    letter-spacing: 0.2rem;
    color: #f59e0b;
    display: block;
    margin: 1rem 0;
}

#game-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: black;
}

canvas {
    image-rendering: pixelated;
    display: block;
}