.pw-kakuro-wrapper{max-width:860px;margin:1.5rem auto;padding:0 1rem}.pw-kakuro-card{background:#fff;border-radius:1rem;box-shadow:0 10px 25px rgba(0,0,0,.06);padding:1rem 1.25rem}.pw-title{margin:0 0 .75rem;font-size:1.25rem}.pw-row{display:grid;grid-template-columns:240px 1fr;gap:.75rem;align-items:center;margin:.6rem 0}.pw-row label{font-weight:600}.pw-row input,.pw-row select{width:100%;padding:.6rem;border:1px solid #ddd;border-radius:.5rem;font-size:1rem}.pw-inline{display:flex;gap:.5rem;align-items:center}.pw-actions{display:flex;justify-content:flex-end;margin-top:1rem}.pw-btn{border:0;padding:.8rem 1.1rem;border-radius:.75rem;cursor:pointer;font-weight:700;background:#2563eb;color:#fff}.pw-note{opacity:.65;font-size:.9rem}@media (max-width:640px){.pw-row{grid-template-columns:1fr}}.pw-alert{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:.5rem;padding:.6rem;margin-bottom:.8rem;display:none}