:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f8fafc;color:#0f172a}main{max-width:920px;margin:0 auto;padding:24px}h1{margin:0 0 8px;font-size:1.75rem}.subtitle{margin:0 0 24px;color:#334155}.card{background:white;border:1px solid #e2e8f0;border-radius:12px;padding:16px;margin-bottom:16px}.grid{grid-gap:12px;gap:12px}.grid,label{display:grid}label{grid-gap:6px;gap:6px;font-weight:600}button,input,textarea{font:inherit}input,textarea{border:1px solid #cbd5e1;border-radius:8px;padding:10px;width:100%}.actions{display:flex;gap:8px;flex-wrap:wrap}button{border:1px solid #1d4ed8;background:#1d4ed8;color:white;border-radius:8px;padding:10px 14px;cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.secondary{background:white;color:#1d4ed8}.status{min-height:20px;color:#334155}.status.error{color:#b91c1c}pre{background:#0f172a;color:#e2e8f0;border-radius:8px;padding:12px;overflow:auto;margin:0}