body {
    background-color: #000000; /* Pure deep space black */
    color: #00ff41;
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    padding: 0;
    overflow: hidden; /* Kills the scrollbars */
    display: flex;
    justify-content: center;
    align-items: center; /* Centers the login text vertically */
    height: 100vh;
}

.screen {
    display: none;
    width: 100%;
    max-width: 600px;
    z-index: 10; 
    text-align: center;
}

.screen.active {
    display: block;
}

h1, h2 {
    color: #fff;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
}

button {
    background-color: #00ff41;
    color: #000;
    border: none;
    padding: 10px 20px;
    font-size: 1.2rem;
    cursor: pointer;
    font-weight: bold;
    margin-top: 20px;
}

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

/* =========================================
   UNITY CANVAS & OVERLAYS
   ========================================= */

#unity-canvas {
    position: fixed; 
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1; 
    background: #000000;
}

#game-screen {
    position: relative;
    min-height: 100vh;
}

#logout-btn {
    position: fixed; 
    top: 10px; 
    left: 10px; 
    z-index: 100; 
    font-size: 0.8rem; 
    padding: 5px;
}