body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #020205;
    font-family: 'Orbitron', sans-serif;
    color: #00ffff;
}

#game-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#ui-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none !important;
}

/* --- Cyberpunk Start Screen --- */
#start-screen {
    background: rgba(5, 5, 15, 0.9);
    padding: 4rem;
    border: 1px solid #ff0066;
    border-radius: 5px;
    text-align: center;
    pointer-events: auto;
    box-shadow: 0 0 30px #ff0066, inset 0 0 10px #ff0066;
    backdrop-filter: blur(10px);
    animation: neon-pulse 2s infinite alternate;
}

@keyframes neon-pulse {
    from { box-shadow: 0 0 20px #ff0066; }
    to { box-shadow: 0 0 40px #ff0066, 0 0 60px #ff0066; }
}

h1 {
    font-size: 3rem;
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff;
    letter-spacing: 10px;
}

.subtitle {
    color: #ff0066;
    text-shadow: 0 0 10px #ff0066;
    font-size: 1rem;
    margin-bottom: 2rem;
}

button {
    background: transparent;
    border: 2px solid #00ffff;
    color: #00ffff;
    padding: 15px 40px;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    cursor: pointer;
    text-shadow: 0 0 5px #00ffff;
    box-shadow: 0 0 10px #00ffff;
    transition: 0.3s;
}

button:hover {
    background: #00ffff;
    color: #000;
    box-shadow: 0 0 30px #00ffff;
}

/* --- Futuristic HUD --- */
#game-ui {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
}

.player-stats {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    gap: 30px;
    background: rgba(0, 255, 255, 0.1);
    padding: 15px 25px;
    border-left: 5px solid #00ffff;
    backdrop-filter: blur(5px);
}

.stat-label { font-size: 0.7rem; color: #ff0066; }
.stat-value { font-size: 1.5rem; color: #00ffff; text-shadow: 0 0 10px #00ffff; }

.privacy-link {
    position: absolute;
    bottom: 15px;
    right: 20px;
    font-size: 0.65rem;
    color: #555;
    text-decoration: none;
    pointer-events: auto;
}

.privacy-link:hover {
    color: #ffcc00;
}