/* Science Theme (Acids & Bases Green Palette) */
:root {
  --bg: #061810;
  --bg-raised: #0d2a1d;
  --ink: #ecfdf5;
  --ink-secondary: #9ca3af;
  --rule: #1b4332;
  --card-accent: #34d399;
  --card-accent-strong: #059669;
  --steel: #6ee7b7;
  --shadow: rgba(0, 0, 0, 0.5);
  --radius: 8px;
  --accent-gradient: linear-gradient(135deg, rgba(52, 211, 153, 0.18), rgba(5, 150, 105, 0.35));
}

[data-theme="light"], html.light {
  --bg: #f0fdf4;
  --bg-raised: #ffffff;
  --ink: #064e3b;
  --ink-secondary: #374151;
  --rule: #d1fae5;
  --card-accent: #059669;
  --card-accent-strong: #047857;
  --steel: #059669;
  --shadow: rgba(15, 23, 42, 0.08);
  --accent-gradient: linear-gradient(135deg, rgba(209, 250, 229, 0.8), rgba(167, 243, 208, 0.5));
}