:root{--ink:#151a16;--paper:#f4f2ea;--card:#fffef9;--green:#174a32;--mint:#a7f3c4;--line:#dcded5;--muted:#6b716c;--danger:#b5473b;--warning:#d88e28;--shadow:0 18px 50px rgba(19,35,25,.1)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Noto Sans SC",system-ui,sans-serif;color:var(--ink);background:var(--paper)}button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;font-size:20px;font-weight:700;letter-spacing:.06em}.brand-light{color:#fff}.brand-mark{display:grid;place-items:center;width:37px;height:37px;border:1px solid currentColor;border-radius:50%;font-size:15px}.eyebrow{margin:0 0 12px;color:var(--mint);font:500 11px/1 "DM Mono",monospace;letter-spacing:.2em}.eyebrow.dark{color:#53715e}.muted{color:var(--muted)}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.08fr 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