.citation-popup {
  display: none; /* Initially hidden */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--arcadia-black-50, rgba(9, 9, 10, 0.5));
  z-index: 1050;
  justify-content: center;
  align-items: center;
}

.citation-popup.visible {
  display: flex;
}

.citation-popup-content {
  background-color: var(--arcadia-white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.citation-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid var(--arcadia-brightgray);
}

.citation-header h4 {
  margin: 0;
  font-weight: 600;
  color: var(--arcadia-slate);
}

.close-button {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--arcadia-steel);
  padding: 0;
  line-height: 1;
}
.close-button:hover {
    color: var(--arcadia-slate);
}

.citation-tabs {
  display: flex;
  border-bottom: 1px solid var(--arcadia-brightgray);
  background-color: var(--arcadia-paper);
}

.citation-tab-button {
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-weight: 500;
  color: var(--arcadia-steel);
  transition: all 0.2s ease;
}

.citation-tab-button:hover {
  background-color: var(--arcadia-brightgray);
  color: var(--arcadia-slate);
}

.citation-tab-button.active {
  border-bottom-color: var(--arcadia-lapis);
  color: var(--arcadia-lapis);
}

.citation-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
  color: var(--arcadia-slate);
}

.citation-content {
  display: none;
}

.citation-content.active {
  display: block;
}

.citation-content p {
  margin: 0;
  line-height: 1.6;
}

.citation-content pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 0.9em;
  background-color: var(--arcadia-brightgray);
  color: var(--arcadia-slate);
  border: 1px solid var(--arcadia-ice);
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
}

.loading-text {
  color: var(--arcadia-cloud);
  font-style: italic;
}

.citation-footer {
  padding: 15px 20px;
  border-top: 1px solid var(--arcadia-brightgray);
  display: flex;
  justify-content: flex-end;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--arcadia-lapis);
  color: var(--arcadia-white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9em;
  transition: background-color 0.2s;
  white-space: nowrap;
}

.copy-button:hover {
  background-color: var(--arcadia-dusk);
  color: var(--arcadia-white);
}
.copy-button > i {
    line-height: 0;
}


/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
  .citation-popup-content {
    width: 95%;
    max-height: 90vh;
  }

  .citation-tab-button {
    padding: 10px 12px;
    font-size: 0.9em;
  }
}