.archive-selection-return {
  align-items: center;
  background: #222;
  border: 1px solid #555;
  border-left: 3px solid var(--accent-red);
  border-radius: var(--button-radius, 8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  color: #f4f1e9;
  cursor: pointer;
  display: flex;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  gap: 0.65rem;
  line-height: 1.25;
  min-height: 44px;
  padding: 0.7rem 1rem;
  position: fixed;
  text-align: left;
  z-index: 180;
}

.archive-selection-return[hidden] { display: none; }
.archive-selection-return__arrow { color: #f4f1e9; font-size: 1.25rem; }
.archive-selection-return:hover { background: #333; border-color: var(--accent-red); }
.archive-selection-return:focus-visible { outline: 2px solid #f4f1e9; outline-offset: 3px; }

.archive-card-return-highlight {
  border: 3px solid var(--accent-red);
  box-sizing: border-box;
  inset: 4px;
  pointer-events: none;
  position: absolute;
  z-index: 10;
  animation: archive-return-highlight 1.5s ease-out both;
}

@keyframes archive-return-highlight {
  0%, 25% { opacity: 1; }
  100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .archive-card-return-highlight { animation: none; }
}

@media (max-width: 560px), (max-width: 1120px) and (orientation: landscape) {
  .archive-selection-return { display: none; }
}