:root{color-scheme:light;font-family:Arial,Helvetica,sans-serif;background:#f5f7fb;color:#172033}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select{font:inherit}.page-shell{max-width:720px;margin:0 auto;padding:48px 20px 64px}.stack{display:grid;grid-gap:16px;gap:16px}.card{background:#fff;border:1px solid #dbe2f0;border-radius:12px;padding:20px}.muted{color:#5f6c85}.bonus-status{display:inline-block;margin:4px 0 0;color:#31415f;font-weight:600}.bonus-status p{margin:0}.bonus-status p+p{margin-top:4px;color:#5f6c85;font-weight:400}.form-grid{display:grid;grid-gap:12px;gap:12px}.label{display:grid;grid-gap:6px;gap:6px;font-weight:600}.form-note{margin:0;color:#5f6c85;font-size:.95rem}.input{width:100%;border:1px solid #c9d2e3;border-radius:10px;padding:10px 12px;background:#fff}.button{border:0;border-radius:10px;padding:10px 14px;background:#172033;color:#fff;cursor:pointer}.button:disabled{opacity:.7;cursor:wait}.result-grid{display:grid;grid-gap:8px;gap:8px}.debug-panel{white-space:pre-wrap;font-family:Courier New,Courier,monospace;font-size:.875rem;overflow-x:auto}