/* =====================================================
   Calculator Pro — pdf-notes.css
   PDF Viewer + Notes Section Styles
   ===================================================== */

.pdf-notes-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
  padding: 0 16px;
}

@media (max-width: 768px) {
  .pdf-notes-section {
    grid-template-columns: 1fr;
  }
}

.pdf-viewer-card,
.notes-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

.pdf-notes-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.pdf-notes-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.pdf-upload-area {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.pdf-file-name {
  font-size: 14px;
  color: var(--text-muted);
}

.pdf-preview-container {
  width: 100%;
}

.pdf-iframe {
  width: 100%;
  height: 400px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.notes-textarea {
  width: 100%;
  min-height: 120px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg-input);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition);
}

.notes-textarea:focus {
  border-color: var(--primary);
}

.notes-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.notes-saved-indicator {
  font-size: 13px;
  font-weight: 600;
  transition: opacity var(--transition);
}