frontend/src/styles/editor/_panels.css

/* ============================================================================ */
/* Editor panels & forms                                                        */
/*                                                                              */
/* Image upload card, footnote tooltip, citation panel overlay.                 */
/* ============================================================================ */

/* ---- Image upload card ---- */

.image-upload-card {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  margin: 1em 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.2s, background 0.2s;
  user-select: none;
}

.image-upload-card:hover {
  border-color: var(--muted-color);
  background: var(--bg-hover);
}

.image-upload-card.dragging {
  border-color: var(--accent-light);
  background: var(--accent-bg);
}

.image-upload-card-icon { color: var(--text-faint); }

.image-upload-card-actions {
  display: flex;
  gap: 0.5rem;
}

.image-upload-btn {
  border: none;
  border-radius: 6px;
  padding: 0.45rem 1rem;
  font-size: 0.8125rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.image-upload-btn.primary {
  background: var(--accent-bg);
  color: var(--accent-text);
}
.image-upload-btn.primary:hover { background: var(--accent-bg-hover); }

.image-upload-btn.secondary {
  background: var(--code-bg);
  color: var(--muted-color);
}
.image-upload-btn.secondary:hover {
  background: var(--code-bg);
  color: var(--text-color);
}

.image-upload-card-hint {
  font-size: 0.75rem;
  color: var(--text-faint);
  margin: 0;
}

.image-upload-card-url {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 400px;
}

.image-upload-url-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--text-color);
  font-size: 0.8125rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}
.image-upload-url-input:focus        { border-color: var(--border-focus); }
.image-upload-url-input::placeholder { color: var(--text-faint); }

/* ---- Footnote tooltip ---- */

.footnote-tooltip-input {
  width: 100%;
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 12px;
  padding: 6px 8px;
  resize: vertical;
  outline: none;
  font-family: inherit;
  line-height: 1.5;
}
.footnote-tooltip-input:focus { border-color: var(--border-focus); }

.footnote-tooltip-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.footnote-tooltip-btn {
  background: none;
  border: none;
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  color: rgba(149, 141, 241, 0.8);
}
.footnote-tooltip-btn:hover { color: var(--accent-light); }

.footnote-tooltip-remove {
  color: var(--danger) !important;
  opacity: 0.8;
}
.footnote-tooltip-remove:hover { opacity: 1 !important; }

/* ---- Citation panel overlay ---- */

.citation-panel-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-overlay);
}

.citation-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 480px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.citation-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.citation-panel-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading-secondary);
}

.citation-panel-close {
  background: none;
  border: none;
  color: var(--muted-color);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.citation-panel-close:hover { color: var(--text-color); }

.citation-panel-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
}

.citation-input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--text-color);
  font-size: 0.8125rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}
.citation-input:focus        { border-color: var(--border-focus); }
.citation-input::placeholder { color: var(--text-faint); }

.citation-smart-input {
  resize: vertical;
  line-height: 1.5;
}

.citation-error {
  color: var(--danger);
  font-size: 0.75rem;
  margin: 0;
}

.citation-resolve-btn {
  align-self: flex-end;
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 6px;
  background: var(--accent-bg);
  color: var(--accent-text);
  font-size: 0.8125rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}
.citation-resolve-btn:hover:not(:disabled) { background: var(--accent-bg-hover); }
.citation-resolve-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.citation-library-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-faint);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}
.citation-library-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-light);
}

.citation-library-list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.citation-library-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  transition: background 0.1s;
}
.citation-library-item:hover { background: var(--code-bg); }

.citation-library-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.citation-library-meta {
  color: var(--muted-color);
  font-size: 0.75rem;
  font-weight: 500;
}

.citation-library-title {
  color: var(--muted-color);
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.citation-library-insert {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 6px;
  background: var(--accent-bg);
  color: var(--accent-light);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  opacity: 0;
}
.citation-library-item:hover .citation-library-insert { opacity: 1; }
.citation-library-insert:hover { background: var(--accent-bg-hover); }