:root{color:#111827;background:#f8fafc;font-family:Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}.app{max-width:700px;margin:0 auto;padding:24px}.back-button{cursor:pointer;color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:8px 12px;font-size:14px;font-weight:600}.action-button{cursor:pointer;color:#fff;background:#0f766e;border:none;border-radius:10px;margin-top:16px;padding:10px 14px;font-size:16px;font-weight:700}ul{background:#fff;border-radius:12px;margin-top:16px;padding:12px 20px}li+li{margin-top:8px}h1,p{margin:0}h1{margin-top:12px}