/* ==========================================================================
   ENGLISH SUBJECT THEME (ROYAL & ELECTRIC BLUE)
   ========================================================================== */

:root {
  /* Dark Mode Baseline — Deep Navy & Electric Blue */
  --bg: #09111e;
  --bg-raised: #121e33;
  --ink: #eaf2ff;
  --ink-secondary: #93a8cc;
  --rule: #1e3357;
  --card-accent: #2563eb;
  --card-accent-bright: #3b82f6;
  --card-accent-strong: #1d4ed8;
  --blue-bright: #60a5fa;
  --steel: #60a5fa;
  --shadow: rgba(0, 0, 0, 0.5);
  --radius: 10px;

  /* Aliases for legacy English lesson variations */
  --gold: var(--card-accent);
  --gold-bright: var(--card-accent-bright);
  --peso: var(--card-accent-strong);
  --peso-bright: var(--blue-bright);
}

[data-theme="light"],
html.light {
  /* Light Mode Baseline — Soft Ice & Deep Royal Blue */
  --bg: #f0f5ff;
  --bg-raised: #ffffff;
  --ink: #0f172a;
  --ink-secondary: #475569;
  --rule: #cbd5e1;
  --card-accent: #1d4ed8;
  --card-accent-bright: #2563eb;
  --card-accent-strong: #1e40af;
  --blue-bright: #0284c7;
  --steel: #0284c7;
  --shadow: rgba(15, 23, 42, 0.08);

  /* Aliases for legacy English lesson variations */
  --gold: var(--card-accent);
  --gold-bright: var(--card-accent-bright);
  --peso: var(--card-accent-strong);
  --peso-bright: var(--blue-bright);
}