:root{--paper:#f6f5ef;--ink:#182c32;--muted:#697b7e;--accent:#d3f474;--line:#dbe0d7;--human:#2563eb;--ai:#db622f;--truth:#178465;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,a,svg{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:0}button:disabled{cursor:wait;opacity:.5}button:focus-visible,a:focus-visible,svg:focus-visible{outline:3px solid #387a96;outline-offset:3px}a{color:inherit}header{height:86px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}.brand{text-decoration:none;font-size:23px;font-weight:700;letter-spacing:-1px;display:flex;align-items:center;gap:8px}.brand b{font-weight:500;font-size:13px;letter-spacing:0;padding:5px 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