[data-theme="sand"] {
  --bg-primary: #1c1610;
  --bg-secondary: #2a2118;
  --bg-table: #161009;
  --bg-overlay: rgba(28, 22, 16, 0.88);
  --bg-image: radial-gradient(ellipse at center, #2e2210 0%, #161009 70%);
  --text-primary: #e8d5b0;
  --text-secondary: #7d6a4a;
  --accent: #c4943d;
  --accent-glow: rgba(196, 148, 61, 0.35);
  --border: #4a3820;
  --btn-bg: rgba(74, 56, 32, 0.55);
  --btn-hover: rgba(94, 72, 42, 0.75);
  --panel-bg: rgba(42, 33, 24, 0.85);
  --badge-bg: rgba(74, 56, 32, 0.75);

  /* Board-specific */
  --tile-bg: #3d3020;
  --tile-border: #6b5a3e;
  --tile-shared: #1e2e1a;
  --tile-shared-border: #3a5430;
  --rosette-bg: #4a3820;
  --rosette-accent: #c4943d;
  --rosette-glow: rgba(196, 148, 61, 0.45);

  /* Piece colors */
  --p1-color: #6ba3d6;
  --p1-bg: #1a5080;
  --p1-glow: rgba(107, 163, 214, 0.4);
  --p2-color: #d67b6b;
  --p2-bg: #8a2e20;
  --p2-glow: rgba(214, 123, 107, 0.4);

  /* Dice */
  --die-bg: #2a2118;
  --die-border: #4a3820;
  --die-marked: #c4943d;
  --die-blank: #1c1610;
}