:root{color:#111827;background:#f8fafc;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{margin:0}button,input,textarea,select{font:inherit}.shell{max-width:1120px;margin:0 auto;padding:32px 20px}.nav{flex-wrap:wrap;gap:8px;margin-bottom:24px;display:flex}.nav button.logout{color:#b91c1c;border-color:#fecaca;margin-left:auto}.nav button.logout:hover{background:#fef2f2}.nav button,.card button{cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:999px;padding:8px 14px}.nav button.active{color:#fff;background:#111827}.card{background:#fff;border:1px solid #e2e8f0;border-radius:20px;margin-bottom:16px;padding:20px;box-shadow:0 10px 30px #0f172a0f}.grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}input,textarea,select{box-sizing:border-box;border:1px solid #cbd5e1;border-radius:12px;width:100%;margin:8px 0 16px;padding:10px 12px;display:block}.error{color:#b91c1c}