:root{--font-sans:"Inter", "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--border-light:#e2e8f0;--border-medium:#cbd5e1;--brand-accent:#3b82f6;--brand-accent-hover:#2563eb;--glass-bg:#ffffffb3;--glass-blur:12px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px 0 #0000000d}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;overflow:hidden}h1,h2,h3,h4{color:var(--text-primary);font-weight:600}button{font-family:var(--font-sans);cursor:pointer;background:0 0;border:none;transition:all .2s 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