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

body {
    font-family: 'Inter', sans-serif;
    background-color: #000000;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

#canvas {
    display: block;
    width: 100vw;
    height: 100vh;
}

.instruction-card {
    position: fixed;
    bottom: 32px;
    left: 32px;
    padding: 24px;
    background: rgba(28, 28, 30, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    max-width: 320px;
    opacity: 0;
    animation: fadeIn 500ms ease-out 300ms forwards;
}

.instruction-card h1 {
    color: #F4F4F5;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
}

.instructions {
    color: #A1A1AA;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .instruction-card {
        bottom: 16px;
        left: 16px;
        right: 16px;
        padding: 16px;
        max-width: none;
    }
    
    .instruction-card h1 {
        font-size: 24px;
    }
    
    .instructions {
        font-size: 14px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .instruction-card {
        animation: none;
        opacity: 1;
    }
}