.cpa-app{border:1px solid #ddd;padding:16px;border-radius:12px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.cpa-stepper{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.cpa-step{border:1px solid #ccc;background:#f7f7f7;border-radius:999px;padding:6px 10px;cursor:pointer}
.cpa-step.is-active{background:#2271b1;color:#fff;border-color:#1e5a8a}
.cpa-panel{margin-top:8px}
.cpa-row{display:flex;gap:8px;align-items:center;margin:10px 0}
.cpa-output{background:#0b1020;color:#e3f2ff;padding:12px;border-radius:8px;white-space:pre-wrap;min-height:120px}
.cpa-hint{color:#666}
textarea#cpa-feedback{width:100%}