.rya-core-icon {
  display: block;
  width: var(--rya-core-size, 26px);
  height: var(--rya-core-size, 26px);
  flex: 0 0 var(--rya-core-size, 26px);
  border-radius: 20%;
  object-fit: contain;
  filter: drop-shadow(0 0 5px rgba(255, 226, 168, 0.16));
  transform: translateZ(0);
  transition:
    filter 320ms ease,
    transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.rya-core-icon--brand { --rya-core-size: 26px; }
.rya-core-icon--header { --rya-core-size: 26px; }
.rya-core-icon--message { --rya-core-size: 24px; }

:is(.wordmark, .brand, .rya-heading, .message-label-assistant):hover .rya-core-icon,
.rya-core-icon:hover {
  filter:
    drop-shadow(0 0 6px rgba(255, 238, 200, 0.26))
    drop-shadow(0 0 11px rgba(243, 201, 130, 0.15));
  transform: scale(1.045);
}

.message-pending .rya-core-icon--message {
  animation: rya-core-thinking 2.4s ease-in-out infinite;
}

.rya-generating .rya-core-icon--header {
  filter:
    drop-shadow(0 0 6px rgba(255, 238, 200, 0.26))
    drop-shadow(0 0 11px rgba(243, 201, 130, 0.15));
  transform: scale(1.045);
}

@keyframes rya-core-thinking {
  0%, 100% {
    filter: drop-shadow(0 0 5px rgba(243, 201, 130, 0.16));
    transform: scale(0.985);
  }
  52% {
    filter:
      drop-shadow(0 0 6px rgba(255, 238, 200, 0.26))
      drop-shadow(0 0 11px rgba(243, 201, 130, 0.15));
    transform: scale(1.035);
  }
}

@media (max-width: 840px) {
  .rya-core-icon--brand { --rya-core-size: 24px; }
}

@media (max-width: 520px) {
  .rya-core-icon--header { --rya-core-size: 24px; }
  .rya-core-icon--message { --rya-core-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .rya-core-icon {
    animation: none !important;
    transition: none;
  }
}