[data-theme="ocean"] {
  --bg-primary: #081820;
  --bg-secondary: #0e2430;
  --bg-table: #040e14;
  --bg-overlay: rgba(8, 24, 32, 0.90);
  --bg-image: radial-gradient(ellipse at center, #0e2430 0%, #040e14 70%);
  --text-primary: #c8e8e0;
  --text-secondary: #487080;
  --accent: #48a898;
  --accent-glow: rgba(72, 168, 152, 0.3);
  --border: #1a3844;
  --btn-bg: rgba(26, 56, 68, 0.6);
  --btn-hover: rgba(36, 72, 88, 0.8);
  --panel-bg: rgba(14, 36, 48, 0.88);
  --badge-bg: rgba(26, 56, 68, 0.8);

  /* Board */
  --board-bg: rgba(10, 24, 34, 0.92);
  --board-border: #2a5060;

  /* Pit */
  --pit-bg: #0e2a38;
  --pit-border: #2a5060;
  --p1-pit-bg: #0e2438;
  --p1-pit-border: #286090;
  --p2-pit-bg: #142030;
  --p2-pit-border: #305878;

  /* Store */
  --store-bg: #081820;
  --store-border: #3a6878;
  --p1-store-border: #2878a8;
  --p2-store-border: #287868;

  /* Stones */
  --stone-color: #88d8c8;

  /* Capture */
  --capture-flash: rgba(72, 168, 152, 0.55);

  /* Player colours */
  --p1-color: #56b8f8;
  --p1-bg: #1060a8;
  --p1-glow: rgba(86, 184, 248, 0.4);
  --p2-color: #58d8b8;
  --p2-bg: #186858;
  --p2-glow: rgba(88, 216, 184, 0.4);
}