:root{--ink:#151719;--muted:#66717d;--paper:#f4f3ef;--panel:#fffefa;--line:#d9d5ca;--teal:#087b73;--blue:#285f9d;--red:#ba4b43;--gold:#a9782a;--shadow:0 20px 48px #23282d1f}*{box-sizing:border-box}html{min-height:100%}body{min-height:100%;color:var(--ink);background:linear-gradient(135deg,#087b7317,transparent 32%),linear-gradient(315deg,#ba4b4314,transparent 30%),var(--paper);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.shell{min-height:100vh;padding:clamp(18px,4vw,44px)}.workspace{border:1px solid var(--line);max-width:1120px;min-height:calc(100vh - clamp(36px,8vw,88px));box-shadow:var(--shadow);background:#fffefaeb;border-radius:8px;grid-template-rows:auto auto minmax(280px,1fr) auto;margin:0 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