/*
 * Callan English Coach — high-contrast reading surface.
 * The shared StanNet theme changes the body to a light theme, but Callan's
 * private classroom, reader, exercises and dictionary still use dark cards.
 * Keep this override page-scoped: other academies and the global nav are untouched.
 */
body.stannet-global.stannet-page-callan {
  --bg:#071320;
  --panel:#101126;
  --ink:#f4faff;
  --muted:#c5d1e2;
  --line:rgba(186,217,247,.30);
  --lesson-line:rgba(186,217,247,.32);
  --lesson-accent:#88eaff;
  --lime:#7df2d0;
  background:#071320 !important;
  color:#f4faff !important;
  color-scheme:dark;
}

/* Legible headings and explanatory copy against the original dark surfaces. */
.stannet-page-callan main,
.stannet-page-callan .coach-hero,
.stannet-page-callan .auth-card,
.stannet-page-callan .callan-memory,
.stannet-page-callan .lesson-panel,
.stannet-page-callan .coach-side,
.stannet-page-callan .dictionary-panel {
  color:var(--ink);
}
.stannet-page-callan :is(.coach-hero h1,.auth-card h2,.lesson-top h2,.callan-memory h3,.side-title,.audio-panel h3,.book-panel h3,.dictionary-panel h3,.question,.callan-memory-prompt strong) {
  color:var(--ink);
}
.stannet-page-callan :is(.coach-copy,.auth-status,.callan-memory-copy,.callan-memory-result,.audio-status,.book-status,.aux-note,.voice-status,.dictionary-copy,.dictionary-status,.dictionary-block p,.private-note,.feedback,.progress-copy,.word span,.teacher,.coach-footer,.user-bar) {
  color:var(--muted);
}
.stannet-page-callan :is(.auth-card,.callan-memory,.lesson-panel,.coach-side,.dictionary-panel,.dictionary-block,.audio-panel,.book-panel) {
  border-color:var(--lesson-line);
}
.stannet-page-callan :is(input,textarea)::placeholder {
  color:#50617a;
  opacity:1;
}

/* Keep button text discernible on the contrasting secondary/action backgrounds. */
.stannet-page-callan :is(.auth-actions button.secondary,.voice-actions button,.callan-memory-actions button:not(.memory-check)) {
  color:var(--ink);
}
.stannet-page-callan :is(.answer-row button,.memory-check,.audio-load,.dictionary-search button,.dictionary-save,.dictionary-audio,.auth-actions button:not(.secondary)) {
  color:#071b21;
}
.stannet-page-callan :is(.auth-actions button,.voice-actions button,.callan-memory-actions button,.audio-load,.book-load,.dictionary-search button,.dictionary-save,.dictionary-audio):focus-visible {
  outline:3px solid #88eaff;
  outline-offset:3px;
}