:root[data-theme="default"] {
  /* Backgrounds (your chosen lifted dark) */
  --bg: #192339;           /* main background */
  --surface: #101717;      /* cards / panels */
  --surface-alt: #273449;  /* subtle depth layer */

  /* Text (softer, friendlier) */
  --text: #e7edf6;
  --text-muted: #b3c0d4;

  /* Borders (quiet, not boxy) */
  --border: #2f3b52;

  /* Accent (your blue, happy & alive) */
  --accent: #4fa3ff;

  /* Status */
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
}