/* Synced from daily-learning-puzzles — edit here, then run scripts/sync-web.sh.
   Loaded site-wide by the theme's baseof.html; all rules are scoped to .learn-*. */

/* ============================================
   LEARN / PUZZLE PATH
   ============================================ */
.learn-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted, #888);
  margin: 0 0 0.4rem;
}

.learn-btn {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  background: var(--accent, #2563eb);
  color: #fff !important;
  font-family: var(--font-sans, sans-serif);
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.2s;
}
.learn-btn:hover { background: var(--accent-hover, #1d4ed8); }
.learn-btn:disabled { opacity: 0.6; cursor: default; }
.learn-btn-lg { font-size: 1.05rem; padding: 0.8rem 1.4rem; }

.learn-answer-actions { margin-top: 1.5rem; }
.learn-reveal-prompt { color: var(--text-muted, #888); font-style: italic; }

/* For checked puzzles (mcq / numeric / estimate), the solution link stays
   hidden until the reader answers (correctly, or locks in an estimate);
   for reveal puzzles it is shown immediately. */
.learn-answer[data-answer-type="mcq"] .learn-reveal,
.learn-answer[data-answer-type="numeric"] .learn-reveal,
.learn-answer[data-answer-type="estimate"] .learn-reveal { display: none; }
.learn-answer[data-answer-type="mcq"] .learn-reveal.show,
.learn-answer[data-answer-type="numeric"] .learn-reveal.show,
.learn-answer[data-answer-type="estimate"] .learn-reveal.show { display: inline-block; }

.learn-mcq {
  margin-top: 1.5rem;
  padding: 1.2rem;
  border: 1px solid var(--border, #ddd);
  border-radius: 10px;
  background: var(--bg-secondary, rgba(128,128,128,0.06));
}
.learn-mcq-q { font-weight: 600; margin: 0 0 0.8rem; }
.learn-mcq-options { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.learn-mcq-opt {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border, #ddd);
  border-radius: 8px;
  background: var(--bg, #fff);
  color: var(--text, #222);
  font-family: var(--font-sans, sans-serif);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.learn-mcq-opt:hover { border-color: var(--accent, #2563eb); }
/* Some options are code — break long tokens instead of overflowing on narrow screens. */
.learn-mcq-opt { overflow-wrap: anywhere; word-break: break-word; }
.learn-mcq-opt.selected { border-color: var(--accent, #2563eb); }
.learn-mcq-opt.correct { border-color: #22c55e; background: rgba(34,197,94,0.12); }
.learn-mcq-opt.incorrect { border-color: #ef4444; background: rgba(239,68,68,0.08); }
.learn-mcq-feedback { margin: 0.8rem 0 0; font-weight: 500; }

/* --- numeric answers --- */
.learn-numeric,
.learn-estimate {
  margin-top: 1.5rem;
  padding: 1.2rem;
  border: 1px solid var(--border, #ddd);
  border-radius: 10px;
  background: var(--bg-secondary, rgba(128,128,128,0.06));
}
.learn-numeric-q, .learn-estimate-q { font-weight: 600; margin: 0 0 0.8rem; }
.learn-numeric-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.learn-numeric-input,
.learn-estimate-grid input {
  padding: 0.55rem 0.7rem;
  font-family: var(--font-mono, monospace);
  font-size: 0.95rem;
  color: var(--text, #222);
  background: var(--bg, #fff);
  border: 1px solid var(--border, #ddd);
  border-radius: 6px;
  width: 10rem;
  max-width: 100%;
}
.learn-numeric-unit { color: var(--text-muted, #888); }
.learn-numeric-feedback, .learn-estimate-feedback { margin: 0.8rem 0 0; font-weight: 500; }
.learn-numeric-feedback.correct, .learn-estimate-feedback.hit { color: #22c55e; }
.learn-numeric-feedback.incorrect, .learn-estimate-feedback.miss { color: #ef4444; }
.learn-numeric.done .learn-numeric-input,
.learn-estimate.done input { opacity: 0.7; }

/* --- estimate (calibration) answers --- */
.learn-estimate-hint { color: var(--text-muted, #888); font-size: 0.9rem; margin: 0 0 0.9rem; }
.learn-estimate-grid { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 0 0 0.9rem; }
.learn-estimate-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted, #888);
  font-family: var(--font-sans, sans-serif);
}
.learn-estimate-grid input { width: 7.5rem; }

.learn-builds-on {
  margin: 1.2rem 0 2rem;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--accent, #2563eb);
  background: var(--accent-glow, rgba(128,128,128,0.05));
  border-radius: 0 8px 8px 0;
}
.learn-builds-label { font-weight: 600; margin: 0 0 0.4rem; font-size: 0.9rem; }
.learn-builds-on ul { margin: 0; padding-left: 1.1rem; }
.learn-builds-concept { color: var(--text-muted, #888); }
.learn-builds-note { font-size: 0.85rem; color: var(--text-muted, #888); margin: 0.6rem 0 0; }

.learn-set-current-wrap { margin: 0 0 1.4rem; }
.learn-set-current {
  font-size: 0.82rem;
  color: var(--text-muted, #888);
  background: transparent;
  border: 1px solid var(--border, #ddd);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  font-family: var(--font-sans, sans-serif);
  transition: border-color 0.15s, color 0.15s;
}
.learn-set-current:hover { border-color: var(--accent, #2563eb); color: var(--accent, #2563eb); }
.learn-set-current:disabled { cursor: default; border-color: #22c55e; color: #22c55e; }

.learn-backlink { margin: 0 0 1.5rem; }
.learn-complete { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border, #ddd); }

/* --- one-tap difficulty rating (solution page) --- */
.learn-rate-label { font-weight: 600; margin: 0 0 0.8rem; }
.learn-rate-group { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.learn-rate {
  padding: 0.55rem 1rem;
  border: 1px solid var(--border, #ddd);
  border-radius: 8px;
  background: var(--bg, #fff);
  color: var(--text, #222);
  font-family: var(--font-sans, sans-serif);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.learn-rate:hover { border-color: var(--accent, #2563eb); }
.learn-rate:disabled { opacity: 0.5; cursor: default; }
.learn-rate.chosen {
  opacity: 1;
  border-color: var(--accent, #2563eb);
  background: var(--accent, #2563eb);
  color: #fff;
}
.learn-complete-note { color: var(--text-muted, #888); margin: 0.8rem 0 0; }

/* --- "Go deeper" resources (solution page) --- */
.learn-resources {
  margin: 1.2rem 0 0;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--accent, #2563eb);
  background: var(--accent-glow, rgba(128,128,128,0.05));
  border-radius: 0 8px 8px 0;
}
.learn-resources-label { font-weight: 600; margin: 0 0 0.4rem; font-size: 0.9rem; }
.learn-resources ul { margin: 0; padding-left: 1.1rem; }
.learn-resources-note { color: var(--text-muted, #888); }

.learn-resume { margin: 1.5rem 0 1.5rem; }
.learn-resume-note { color: var(--text-muted, #888); margin: 0.6rem 0 0; font-size: 0.9rem; }

/* --- per-track cards on the landing page --- */
.learn-track-card {
  margin: 1.5rem 0;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--border, #ddd);
  border-radius: 10px;
  background: var(--bg-secondary, rgba(128,128,128,0.06));
}
.learn-track-card h2 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.learn-track-blurb { color: var(--text-muted, #888); font-size: 0.95rem; margin: 0 0 1rem; }
.learn-track-card .learn-resume { margin: 0; }
.learn-track-card .learn-resume-note { margin: 0.6rem 0 0; }
.learn-archive-track { font-size: 1.05rem; margin: 1.6rem 0 0.4rem; }

.learn-sync {
  margin: 1.5rem 0 2.5rem;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--border, #ddd);
  border-radius: 10px;
  background: var(--bg-secondary, rgba(128,128,128,0.06));
}
.learn-sync h2 { font-size: 1.05rem; margin: 0 0 0.5rem; }
.learn-sync p { margin: 0 0 0.8rem; font-size: 0.95rem; }
.learn-sync-url { margin: 0 0 0.7rem; }
.learn-sync-url input {
  width: 100%;
  padding: 0.55rem 0.7rem;
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
  color: var(--text, #222);
  background: var(--bg, #fff);
  border: 1px solid var(--border, #ddd);
  border-radius: 6px;
}
.learn-sync-note { color: var(--text-muted, #888); font-size: 0.85rem; margin: 0.8rem 0 0 !important; }

.learn-archive h2 { font-size: 1.2rem; }
.learn-archive-list { list-style: none; padding: 0; }
.learn-archive-list li { padding: 0.45rem 0; border-bottom: 1px solid var(--chalk-rule, rgba(128,128,128,0.12)); }
.learn-archive-n { font-family: var(--font-mono, monospace); color: var(--text-muted, #888); font-size: 0.85rem; }
.learn-archive-concept { color: var(--text-muted, #888); font-size: 0.92rem; }
.learn-archive-list li.done .learn-archive-n::after { content: " ✓"; color: #22c55e; }
.learn-archive-list li.current > a { font-weight: 700; }

/* --- Learn: phone tweaks --- */
@media (max-width: 640px) {
  .learn-btn-lg { display: block; text-align: center; font-size: 1rem; padding: 0.8rem 1rem; }
  .learn-mcq { padding: 1rem; }
  .learn-mcq-opt { padding: 0.7rem 0.8rem; }      /* a touch taller for tapping */
  .learn-builds-on { padding: 0.8rem 0.9rem; }
  .learn-numeric, .learn-estimate { padding: 1rem; }
  .learn-numeric-input { width: 100%; }
  .learn-estimate-grid { flex-direction: column; }
  .learn-estimate-grid input { width: 100%; }
  .learn-rate-group { flex-direction: column; }
  .learn-rate { width: 100%; text-align: center; padding: 0.7rem 1rem; }
  .learn-resources { padding: 0.8rem 0.9rem; }
  .learn-sync { padding: 1rem; }
  .learn-sync-url input { font-size: 0.78rem; }
  .learn-sync-note { font-size: 0.8rem; }
  /* Stack the lesson title and its concept on their own lines. */
  .learn-archive-concept { display: block; margin-left: 1.7rem; }
}