/* минимальный кастом поверх Tailwind */
.carousel-btn{
  position:absolute; top:50%; transform:translateY(-50%);
  width:40px; height:40px; border-radius:9999px;
  background:rgba(255,255,255,.85); color:#0f172a; font-size:26px; line-height:1;
  display:flex; align-items:center; justify-content:center;
  border:0; cursor:pointer; box-shadow:0 4px 14px rgba(0,0,0,.25);
  user-select:none;
}
.carousel-btn:hover{ background:#fff; }
.thumb.active{ border-color:#0f172a; }
@media (max-width:640px){
  .carousel-btn{ width:36px; height:36px; font-size:22px; }
}