:root{--bg:#fbf7f0;--panel:#fffaf3;--ink:#25201b;--text:#685f55;--muted:#8a7b6c;--line:#eadfce;--brand:#a16537;--brand-dark:#754523;--brand-soft:#f4e7d8;--shadow:0 12px 34px #36261414;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:16px;line-height:1.5}*{box-sizing:border-box}html{background:var(--bg);min-width:320px}body{min-width:320px;min-height:100svh;margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}#root{min-height:100svh}.app-shell{width:min(760px,100%);margin:0 auto;padding:24px 16px 40px}.input-screen,.result-screen{gap:16px;display:grid}.intro{padding:8px 0}.eyebrow{color:var(--muted);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:13px;font-weight:700}.intro 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