:root{--bg:#f7f5ef;--panel:#ffffff;--ink:#202124;--muted:#69707d;--line:#d9d3c7;--accent:#bf3f36;--accent-dark:#8f2f28;--focus:#1f7a8c;--shadow:0 18px 50px rgba(39,35,29,0.12)}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{cursor:pointer}button:disabled,input:disabled{cursor:not-allowed;opacity:.58}.app-shell{display:grid;grid-template-columns:340px minmax(0,1fr);min-height:100vh}.sidebar{display:flex;flex-direction:column;gap:18px;border-right:1px solid var(--line);background:#fbfaf7;padding:24px}.panel h2,.sidebar h1,.workbench h2{margin:0}.sidebar h1{font-size:30px;line-height:1.05}.eyebrow{margin:0 0 6px;color:var(--accent-dark);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}.panel{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:16px;box-shadow:0 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