/* Shared public-page polish. Reading content never depends on animation. */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  :where(.site .button,.site button,.ai-page .button,.plan-week-tabs button,.session-continue,.session-bottom button) {
    transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease;
  }
  :where(.site .button,.profile-submit .button):hover { box-shadow: 0 5px 16px #183f351c; }
  .site .design-canvas { transition: transform .4s ease; }
  .site .design-canvas:hover { transform: rotate(0); }
  .plan-session { transition: border-color .2s ease, box-shadow .2s ease; }
  .plan-session:hover { border-color: #a7c7b6; box-shadow: 0 5px 18px #183f3509; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
}
@media print {
  html { scroll-behavior: auto !important; }
}