:root{--bg:#f6f7f4;--panel:#fff;--text:#1f2933;--muted:#5c6b7a;--line:#dbe2ea;--accent:#0f766e;--accent-soft:#d5f5ef}*{box-sizing:border-box}body{color:var(--text);background:radial-gradient(circle at top left, #dff6f0 0%, transparent 35%), radial-gradient(circle at bottom right, #e6eef8 0%, transparent 38%), var(--bg);margin:0;font-family:Space Grotesk,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;padding:2rem}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.2rem;box-shadow:0 10px 35px #0f233614}.grid{gap:1rem;display:grid}@media (min-width:900px){.grid{grid-template-columns:1.2fr 1fr}}