/* CAS PDF viewer wrapper — positions the pdfjs container correctly */
.pdf-viewer-wrapper {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.pdf-viewer-wrapper .pdf-viewer-container {
  position: absolute;
  top: 34px; /* below toolbar (33px + 1px border) */
  left: 0;
  right: 0;
  bottom: 0;
  overflow: auto;
  background: var(--color-surface-inset, #f3f4f6);
  cursor: grab;
}

.pdf-viewer-wrapper .pdf-viewer-container:active {
  cursor: grabbing;
}

.pdf-viewer-wrapper .pdf-viewer-container .textLayer {
  cursor: grab;
  user-select: none;
}

.pdf-viewer-wrapper .pdf-viewer-container:active .textLayer {
  cursor: grabbing;
}

/* Add margin to first page so canvas is visible around the document */
.pdf-viewer-wrapper .pdfViewer .page:first-child {
  margin-top: 10px;
}

.pdf-viewer-wrapper .pdfViewer .page {
  margin-left: 10px;
  margin-right: 10px;
}

.pdf-viewer-wrapper .pdf-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

/* ── Toolbar ─────────────────────────────────────────────────────── */

.pdf-toolbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  height: 33px;
  background: var(--color-surface-secondary, #f9fafb);
  border-bottom: 1px solid var(--color-border-default, #e5e7eb);
  font-size: 12px;
}

.pdf-toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.pdf-toolbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--color-text-secondary, #6b7280);
  cursor: pointer;
  font-size: 12px;
  transition: background 0.1s, color 0.1s;
}

.pdf-toolbar-btn:hover {
  background: var(--color-surface-hover, #f3f4f6);
  color: var(--color-text-body, #1f2937);
}

.pdf-toolbar-search {
  flex: 1;
  position: relative;
  min-width: 0;
}

.pdf-toolbar-search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--color-text-muted, #9ca3af);
  pointer-events: none;
}

.pdf-toolbar-search-input {
  width: 100%;
  padding: 2px 8px 2px 26px;
  border: 1px solid var(--color-border-default, #e5e7eb);
  border-radius: 4px;
  background: var(--color-surface, #fff);
  color: var(--color-text-body, #1f2937);
  font-size: 12px;
  outline: none;
  transition: border-color 0.1s;
}

.pdf-toolbar-search-input:focus {
  border-color: var(--color-cas-tint, #3b82f6);
}

.pdf-toolbar-search-input::placeholder {
  color: var(--color-text-muted, #9ca3af);
}

.pdf-toolbar-regex-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: var(--color-text-muted, #9ca3af);
  cursor: pointer;
  font-size: 11px;
  font-family: monospace;
  font-weight: 600;
  padding: 1px 4px;
  line-height: 1;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}

.pdf-toolbar-regex-toggle:hover {
  color: var(--color-text-secondary, #6b7280);
  background: var(--color-surface-hover, #f3f4f6);
}

.pdf-toolbar-regex-toggle.active {
  color: var(--color-cas-tint, #3b82f6);
  border-color: var(--color-cas-tint, #3b82f6);
  background: color-mix(in srgb, var(--color-cas-tint, #3b82f6) 10%, transparent);
}

.pdf-toolbar-search:has(.pdf-toolbar-regex-toggle) .pdf-toolbar-search-input {
  padding-right: 32px;
}

/* Regex search highlights */
.pdf-regex-highlight {
  background: rgba(255, 200, 0, 0.35);
  border-radius: 1px;
}

.pdf-regex-highlight.current {
  background: rgba(255, 130, 0, 0.55);
}