:root{--accent:#4f46e5;--accent-soft:#eef2ff;--accent-hover:#4338ca;--text:#1e1b4b;--text-muted:#64748b;--surface:#fff;--bg:#f8fafc;--border:#e2e8f0;--danger:#b91c1c;--danger-soft:#fef2f2;--radius:12px;--shadow:0 1px 3px #0f172a14;color:var(--text);background-color:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;font-weight:400;line-height:1.5}*,:before,:after{box-sizing:border-box}body{min-width:320px;margin:0}#root{min-height:100vh}button,input,textarea{font:inherit}a{color:var(--accent)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-shell{max-width:720px;margin:0 auto;padding:1rem 1rem 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