:root {
    --neon-purple: #bc13fe;
    --neon-blue: #00f3ff;
    --neon-pink: #ff00ff;
    --bg-dark: #1a0b2e;
    --card-back: #2d1b4e;
}

body {
    background-color: var(--bg-dark);
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

#game-container {
    width: 90%;
    max-width: 800px;
    text-align: center;
    padding: 20px;
}

header h1 {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

#dashboard {
    display: flex;
    justify-content: space-around;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--neon-purple);
    margin-bottom: 20px;
}

#game-grid {
    display: grid;
    gap: 10px;
    justify-items: center;
}

.card {
    width: 80px;
    height: 100px;
    background-color: var(--card-back);
    border: 2px solid var(--neon-purple);
    cursor: pointer;
    perspective: 1000px;
}

.hidden { display: none; }