:root {
    /* Color Palette */
    --midnight-blue: #0f172a;
    --deep-space: #1e293b;
    --electric-violet: #8b5cf6;
    --neon-cyan: #06b6d4;
    --soft-glow: rgba(139, 92, 246, 0.1);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    
    /* Spacing */
    --border-radius: 12px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
}

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

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--midnight-blue) 0%, var(--deep-space) 100%);
    color: white;
    overflow-x: hidden;
}

/* Utility Classes */
.glow-text {
    text-shadow: 0 0 20px rgba(139, 92, 246, 0.7);
}

.neon-border {
    border: 1px solid var(--electric-violet);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

/* Smooth transitions for all interactive elements */
button, input, .message-bubble {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}