:root{--color-primary:#6366f1;--color-primary-rgb:99,102,241;--color-primary-dark:#4f46e5;--color-secondary:#10b981;--color-success:#22c55e;--color-danger:#ef4444;--color-warning:#f59e0b;--color-info:#eab308;--color-purple:#8884d8;--color-background:#0f172a;--color-surface:#1e293b;--color-surface-elevated:#334155;--color-text:#f1f5f9;--color-text-muted:#94a3b8;--color-border:#475569;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--transition-base:all 0.2s ease;--transition-slow:all 0.3s ease;--z-index-modal:1000;--z-index-toast:1100;--z-index-dropdown:900}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:linear-gradient(135deg,var(--color-background) 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