@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Inter:wght@400;600&display=swap');

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #020617;
    font-family: 'Inter', sans-serif;
    touch-action: none;
    user-select: none;
}

canvas {
    display: block;
}

.font-orbitron { font-family: 'Orbitron', sans-serif; }

/* UI Overlays */
.glass-morphism {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.9);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.6);
}

#ui-layer {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 100;
}

.score-display {
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.hidden { display: none !important; }