/* GAU theme work-in-progress. Research-informed candidate, not a proven conversion winner.
 * Brand blue sampled from the existing logo: #067499.
 * Slightly darker action blue improves text contrast. No external dependencies.
 * Three comparable candidates are documented in the central research backup, R3a.
 */
:root {
  --gau-paper: #f7f9fc;
  --gau-surface: #ffffff;
  --gau-ink: #172d3b;
  --gau-muted: #526471;
  --gau-brand: #067499;
  --gau-action: #006e8f;
  --gau-action-text: #ffffff;
  --gau-action-hover: #00556f;
  --gau-accent: #d9b76b;
  --gau-accent-text: #172d3b;
  --gau-border: #71818c;
  --gau-error: #a12b2b;
}

/* Alternative candidates: vary the palette, retain content and layout. */
[data-gau-palette="petrol"] {
  --gau-paper: #f7f4ed;
  --gau-ink: #172d30;
  --gau-muted: #526266;
  --gau-brand: #174c4f;
  --gau-action: #174c4f;
  --gau-action-hover: #103b3d;
}

[data-gau-palette="kupfer"] {
  --gau-paper: #f8f5f1;
  --gau-ink: #282e35;
  --gau-muted: #62615f;
  --gau-brand: #282e35;
  --gau-action: #a64126;
  --gau-action-hover: #84331e;
  --gau-accent: #e9cdbd;
  --gau-accent-text: #282e35;
}