.pdf-viewer-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  background: #f5f5f5;
  flex: 1;
  min-height: 0;
}

.pdf-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
  flex-shrink: 0;
}

.pdf-content {
  flex: 1;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px;
}

.pdf-content .react-pdf__Document {
  display: flex;
  justify-content: center;
}

.pdf-content .react-pdf__Page {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  margin-bottom: 20px;
  background: #fff;
}

.pdf-content .react-pdf__Page canvas {
  max-width: 100%;
  height: auto !important;
}

.pdf-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  color: #999;
  font-size: 14px;
}

.pdf-error {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  color: #f5222d;
  font-size: 14px;
}