:root {
    /* --- COLORS: OBSIDIAN NIGHT --- */
    --bg-deep: #030305;       /* Deepest background (Global BG) */
    --bg-surface: #0a0a0f;    /* Card background base */
    --bg-glass: rgba(15, 15, 25, 0.6); /* Glassmorphism Panel BG */
    
    /* --- COLORS: NEON ACCENTS --- */
    --neon-blue: #00f3ff;     /* Cyberpunk Cyan */
    --neon-purple: #bc13fe;   /* Electric Purple */
    --neon-green: #0aff60;    /* Matrix Green */
    --neon-red: #ff0a4e;      /* Alert Red */
    
    /* --- TEXT --- */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #475569;

    /* --- GRADIENTS --- */
    --grad-glow: linear-gradient(135deg, rgba(0,243,255,0.1) 0%, rgba(188,19,254,0.1) 100%);
    --grad-border: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    --grad-border-active: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));

    /* --- SPACING & LAYOUT --- */
    --sidebar-width: 260px;
    --header-height: 70px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* --- EFFECTS --- */
    --blur-glass: 12px;
    --shadow-neon: 0 0 10px rgba(0, 243, 255, 0.3);
    --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
    
    /* --- FONTS --- */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}