.pdf-viewer,
.pdf-viewer-compact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.pdf-viewer-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.pdf-viewer-navigation,
.pdf-viewer-zoom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pdf-viewer-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(98, 105, 118, 0.15);
  border-radius: 12px;
  background: #fff;
  color: #1f2a44;
  transition: background 0.2s ease;
}

.pdf-viewer-btn:hover {
  background: rgba(98, 105, 118, 0.1);
}

.pdf-viewer-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pdf-viewer-page {
  font-weight: 600;
  color: #1f2a44;
  min-width: 120px;
  text-align: center;
}

.pdf-viewer-download {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #2a73cc;
  text-decoration: none;
}

.pdf-viewer-download.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.pdf-viewer-stage {
  position: relative;
  min-height: 220px;
  border: 1px solid rgba(98, 105, 118, 0.12);
  border-radius: 12px;
  background: #f6f9ff;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.pdf-viewer-stage canvas {
  max-width: 100%;
  height: auto;
  display: block;
}

.pdf-viewer[data-pdf-state="ready"] .pdf-viewer-loader,
.pdf-viewer--ready .pdf-viewer-loader,
.pdf-viewer--loader-hidden .pdf-viewer-loader {
  display: none !important;
}

.pdf-viewer[data-pdf-state="error"] .pdf-viewer-stage {
  background: #fff4f2;
}

.pdf-viewer[data-pdf-state="fallback"] .pdf-viewer-stage {
  background: #fff;
}

.pdf-viewer-loader {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #273c63;
}

.pdf-viewer-loader.d-none {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
}

.pdf-viewer-error {
  padding: 20px;
  text-align: center;
  color: #b42318;
  font-weight: 600;
}

.pdf-viewer-fallback-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
}

.pdf-viewer-fallback-text {
  margin: 0;
  font-size: 0.9rem;
  color: #5e6278;
}

.pdf-viewer-fallback-frame {
  width: 100%;
  min-height: 420px;
  border: 1px solid rgba(98, 105, 118, 0.15);
  border-radius: 12px;
}

.pdf-viewer-compact .pdf-viewer-navigation,
.pdf-viewer-compact .pdf-viewer-zoom {
  display: none !important;
}

.pdf-viewer-compact .pdf-viewer-toolbar {
  justify-content: flex-end;
}

.pdf-viewer-compact .pdf-viewer-stage {
  min-height: 420px;
}