:root{--bg-primary:#0b0f19;--bg-secondary:#0f172a;--bg-tertiary:#1a1f35;--bg-elevated:#1e2537;--bg-overlay:rgba(11,15,25,.95);--border-primary:#1f2937;--border-secondary:#2d3748;--border-focus:#4a5568;--text-primary:#e5e7eb;--text-secondary:#94a3b8;--text-tertiary:#64748b;--text-placeholder:#475569;--accent:#93c5fd;--accent-hover:#bfdbfe;--accent-subtle:rgba(147,197,253,.12);--accent-border:rgba(147,197,253,.3);--success:#10b981;--success-bg:rgba(16,185,129,.1);--warning:#f59e0b;--warning-bg:rgba(245,158,11,.1);--error:#ef4444;--error-bg:rgba(239,68,68,.1);--info:#3b82f6;--info-bg:rgba(59,130,246,.1);--shadow-sm:0 1px 2px rgba(0,0,0,.15);--shadow-md:0 4px 8px rgba(0,0,0,.2);--shadow-lg:0 12px 24px rgba(0,0,0,.3);--transition-fast:120ms cubic-bezier(0.4,0,0.2,1);--transition-base:200ms cubic-bezier(0.4,0,0.2,1);--transition-slow:300ms cubic-bezier(0.4,0,0.2,1);--font-sans:ui-sans-serif,system-ui,-apple-system,Segoe 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