:root {
    --bg-dark: #050510;
    --neon-blue: #00f3ff;
    --neon-purple: #b026ff;
    --neon-red: #ff0055;
    --neon-green: #00ff66;
}

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

body {
    background-color: var(--bg-dark);
    font-family: 'Space Grotesk', sans-serif;
    color: white;
    overflow: hidden;
    /* Grid background effect */
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

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

canvas {
    display: block;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* Stats Panel */
.stats-panel {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 30px;
}

.stat-box {
    background: rgba(5, 5, 16, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 150px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.glow-blue { border-bottom: 2px solid var(--neon-blue); }
.glow-red { border-bottom: 2px solid var(--neon-red); }

.label {
    font-size: 10px;
    letter-spacing: 2px;
    color: #888;
    text-transform: uppercase;
}

.value {
    font-size: 24px;
    font-weight: 700;
    margin-top: 5px;
    text-shadow: 0 0 10px currentColor;
}

.glow-blue .value { color: var(--neon-blue); }
.glow-red .value { color: var(--neon-red); letter-spacing: 2px;}

/* Screens */
.overlay-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(5, 5, 16, 0.95);
    padding: 50px 80px;
    border-radius: 20px;
    border: 1px solid rgba(0, 243, 255, 0.3);
    text-align: center;
    box-shadow: 0 0 50px rgba(0, 243, 255, 0.1);
    backdrop-filter: blur(15px);
    display: none;
    pointer-events: auto;
}

.overlay-screen.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

.menu-logo {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%; /* Make it round if it's a square logo */
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 20px var(--neon-blue);
    margin-bottom: 20px;
}

/* Cyber Button */
.cyber-btn {
    background: transparent;
    color: var(--neon-blue);
    border: 2px solid var(--neon-blue);
    padding: 15px 40px;
    font-size: 18px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 15px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.2);
}

.cyber-btn.secondary {
    border-color: var(--neon-purple);
    color: var(--neon-purple);
}

.cyber-btn.secondary:hover {
    background: var(--neon-purple);
    color: white;
    box-shadow: 0 0 30px var(--neon-purple);
}

.mini-cyber-btn {
    background: rgba(5, 5, 16, 0.8);
    color: var(--neon-blue);
    border: 1px solid var(--neon-blue);
    padding: 5px 15px;
    font-size: 12px;
    font-family: 'Space Grotesk', sans-serif;
    cursor: pointer;
    border-radius: 4px;
    pointer-events: auto;
    transition: all 0.2s;
}

.mini-cyber-btn:hover {
    background: var(--neon-blue);
    color: var(--bg-dark);
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.cyber-btn:hover {
    background: var(--neon-blue);
    color: var(--bg-dark);
    box-shadow: 0 0 30px var(--neon-blue);
}

h1 {
    font-size: 4rem;
    color: white;
    margin-bottom: 10px;
    text-transform: uppercase;
}

h2.neon-text {
    font-size: 3rem;
    color: var(--neon-red);
    text-shadow: 0 0 20px var(--neon-red);
    margin-bottom: 20px;
}

p {
    color: #aaa;
    font-size: 1.2rem;
}

.highlight {
    color: var(--neon-green);
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-green);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -40%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}