:root {
  /* Light mode colors */
  --bg-start: #fff;
  --bg-end:  #f5f5f5;
  --text:    #111;
  --text-muted: rgba(0,0,0,0.4);
  --glass:   rgba(255,255,255,0.6);
  --shadow:  rgba(0,0,0,0.1);
  --accent:  #00B0EF;
}

[data-theme="dark"] {
  /* Dark mode overrides */
  --bg-start: #111;
  --bg-end:  #222;
  --text:    #eee;
  --text-muted: rgba(255,255,255,0.6);
  --glass:   rgba(0,0,0,0.4);
  --shadow:  rgba(0,0,0,0.7);
}