/* v156: Entire chapter cards navigate; focused and hovered cards remain clearly actionable. */
a.material-card.pm-chapter-link{color:inherit;text-decoration:none;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
a.material-card.pm-chapter-link:hover{color:inherit;transform:translateY(-3px);box-shadow:0 16px 30px rgba(23,35,59,.12);border-color:rgba(104,87,217,.44)}
a.material-card.pm-chapter-link:hover .material-open{color:#5141bd;transform:translateX(2px)}
a.material-card.pm-chapter-link:focus-visible{outline:3px solid #6857d9;outline-offset:4px}
a.material-card.pm-chapter-link:active{transform:translateY(-1px)}
a.material-card.pm-chapter-link .material-open{display:inline-flex;align-items:center;gap:5px;color:#6857d9;font-weight:700;transition:transform .18s ease,color .18s ease}
@media(prefers-reduced-motion:reduce){a.material-card.pm-chapter-link,a.material-card.pm-chapter-link .material-open{transition:none}a.material-card.pm-chapter-link:hover,a.material-card.pm-chapter-link:active{transform:none}}