.gallery-full-screen-portal {
  transition: all 0.5s cubic-bezier(0.075, 0.82, 0.165, 1);
  opacity: 0;
}

.gallery-action-button {
  position: absolute; 
  cursor: pointer;
  display: flex;
  padding: 0;
}
.gallery-action-button button {
  width: 28px;
  height: 28px;
  display: flex;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  background-color: var(--surface);
  align-items: center;
  justify-content: center;
  color: var(--fg);
  z-index: 1001;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, filter 0.15s ease;
}
/* `.is-hovered` is set while the media itself is hovered, so the button shows
   the same state as a direct hover on it. */
.gallery-action-button button:hover,
.gallery-action-button.is-hovered button {
  filter: brightness(120%);
  border-color: var(--accent-hover);
  background-color: var(--surface-hover);
}

.gallery-thumb {
  position: relative;
  display: block;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  pointer-events: auto;
  box-shadow: var(--shadow-sm);
}
.gallery-thumb img {
  display: block;
  margin: 0;
}

/* Hover hint that clicking a thumbnail shows it in the main display. The
   active thumbnail is already there, so it gets no hint. */
.gallery-thumb-magnifier {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.gallery-thumb:not(.is-active):hover .gallery-thumb-magnifier,
.gallery-thumb:not(.is-active):focus-visible .gallery-thumb-magnifier {
  opacity: 1;
}

.action-button-svg {
  stroke: var(--fg-secondary);
}

@media (max-width: 768px) {
  .project-card {
    height: 100%;
    max-height: 80vh;
  }
}