*{box-sizing:border-box}body{margin:0;background:#f6f7f8;color:#1f2933;font-family:Arial,sans-serif}a{color:inherit}button,textarea{font:inherit}.page{min-height:100vh;padding:32px}.shell{width:min(920px,100%);margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.title{margin:0;font-size:28px;line-height:1.2}.panel{background:#fff;border:1px solid #dde3ea;border-radius:8px;padding:20px}.stack{display:grid;grid-gap:16px;gap:16px}.muted{color:#65758b}.textarea{width:100%;min-height:240px;resize:vertical;border:1px solid #c9d2dc;border-radius:8px;padding:12px;background:#fbfcfd}.button{border:0;border-radius:8px;padding:10px 14px;background:#254edb;color:#fff;cursor:pointer}.button.secondary{background:#e6ebf2;color:#1f2933}.button:disabled{cursor:default;opacity:.6}.actions{display:flex;flex-wrap:wrap;gap:10px}.status{min-height:22px;color:#2b6b47}.error{color:#b42318}