.learn-wrap{max-width:1040px}
.crumbs{font-size:14px;color:var(--text-muted,#667);margin-bottom:12px}.crumbs a{color:inherit}
.learn-sub{font-size:18px;color:var(--text-muted,#556);margin:8px 0 0;max-width:62ch}
.learn-cols{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;align-items:start}
.learn-article h2{margin-top:32px;scroll-margin-top:90px}
.learn-toc{border:1px solid var(--border,#d8dce6);border-radius:10px;padding:14px 18px;margin:0 0 24px;font-size:15px}
.learn-toc ol{margin:8px 0 0;padding-left:20px}
.learn-note{border-left:4px solid #f0a020;background:rgba(240,160,32,.08);padding:12px 16px;margin:28px 0;border-radius:4px}
.learn-disc{font-size:14px;color:var(--text-muted,#667);margin-top:32px}
.learn-side{position:sticky;top:90px;font-size:15px;border:1px solid var(--border,#d8dce6);border-radius:10px;padding:16px 18px}
.learn-side ul{list-style:none;padding:0;margin:10px 0 14px}.learn-side li{margin:8px 0}.learn-side a.cur{font-weight:700;text-decoration:none}
.learn-pnwrap{display:flex;gap:16px;justify-content:space-between;margin-top:36px;flex-wrap:wrap}
.learn-pn{flex:1 1 240px;border:1px solid var(--border,#d8dce6);border-radius:10px;padding:12px 16px;text-decoration:none;color:inherit;font-weight:600}
.learn-pn span{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted,#667)}.learn-pn.next{text-align:right}
.learn-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.learn-card{border:1px solid var(--border,#d8dce6);border-radius:12px;padding:20px 22px}.learn-card h2{margin:0 0 6px;font-size:24px}.learn-card h2 a{text-decoration:none;color:inherit}
.learn-card ol{padding-left:20px;margin:12px 0 0}.learn-card li{margin:6px 0}
.learn-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.learn-list a{display:block;border:1px solid var(--border,#d8dce6);border-radius:10px;padding:14px 18px;text-decoration:none;color:inherit}.learn-list strong{display:block;font-size:19px}.learn-list span{color:var(--text-muted,#556)}
.learn-input{width:100%;max-width:520px;font:inherit;font-size:17px;padding:12px 14px;border:1px solid var(--border,#b8bfd0);border-radius:10px;background:transparent;color:inherit}
.sr{position:absolute;left:-9999px}
.gl{margin:16px 0}.gl .gl-item{padding:12px 0;border-bottom:1px solid var(--border,#e2e5ee)}.gl dt{font-weight:700;font-size:18px}.gl dd{margin:4px 0 0;max-width:68ch}
.calc{border:1px solid var(--border,#d8dce6);border-radius:12px;padding:20px 22px;margin:0 0 28px}.calc h2{margin-top:0}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:14px 0}
.calc label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
.calc input,.calc select{font:inherit;font-size:17px;padding:10px 12px;border:1px solid var(--border,#b8bfd0);border-radius:8px;background:transparent;color:inherit;min-height:44px}
.calc-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 0}.calc-out div{background:rgba(120,130,160,.1);border-radius:8px;padding:10px 14px}
.calc-out dt{font-size:13px;color:var(--text-muted,#556)}.calc-out dd{margin:2px 0 0;font-size:22px;font-weight:700;font-family:"IBM Plex Mono",monospace}
.calc-out .pos{color:#0a8a4a}.calc-out .neg{color:#c62b3a}.calc-warn{color:#c62b3a;font-weight:600}
.calc-table-wrap{overflow-x:auto}.calc-table{border-collapse:collapse;width:100%;max-width:420px;font-family:"IBM Plex Mono",monospace}.calc-table caption{text-align:left;font-weight:600;padding:6px 0;font-family:inherit}.calc-table th,.calc-table td{padding:6px 10px;text-align:right;border-bottom:1px solid var(--border,#e2e5ee)}.calc-table th:first-child,.calc-table td:first-child{text-align:left}
@media(max-width:820px){.learn-cols{grid-template-columns:1fr}.learn-side{position:static}}
.learn-related{margin-top:28px}.learn-related h2{font-size:22px}

/* ===== PR #73: quiz + progress styles (appended) ===== */
/* MarketsOnDeck Learn — quiz + progress styles.
   Purely additive. Uses site CSS variables so light/dark mode follows automatically. */

.learn-quiz-section {
  margin-top: 44px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

#learn-quiz { margin-top: 14px; }

.quiz-meta {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.quiz-dots { display: flex; gap: 6px; margin-bottom: 16px; }
.quiz-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border);
}
.quiz-dot.is-done { background: var(--gain); }
.quiz-dot.is-current { background: var(--accent-2); }

.quiz-q {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 14px;
  line-height: 1.45;
}

.quiz-choices {
  display: grid; gap: 10px;
  margin: 0 0 8px; padding: 0; list-style: none;
}

.quiz-choice {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.quiz-choice:hover:not(:disabled) { border-color: var(--accent); }
.quiz-choice:disabled { cursor: default; }
.quiz-choice.is-wrong { border-color: var(--loss); background: var(--loss-bg); }
.quiz-choice.is-right { border-color: var(--gain); background: var(--gain-bg); font-weight: 600; }

.quiz-feedback {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.5;
}
.quiz-feedback strong { display: block; margin-bottom: 4px; }
.quiz-hint { background: var(--surface-raised); border: 1px solid var(--border); }
.quiz-explain { background: var(--gain-bg); border: 1px solid var(--gain); }

.quiz-actions { margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }

.quiz-result { text-align: left; padding: 4px 0; }
.quiz-score {
  font-family: var(--font-display);
  font-size: 46px;
  line-height: 1;
  margin: 10px 0 6px;
}
.quiz-verdict { font-size: 16px; margin: 0 0 16px; line-height: 1.55; }
.quiz-best { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }

/* ---- hub progress ---- */

#learn-progress { margin: 22px 0 6px; }

.lp-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.lp-card h3 { margin: 0 0 4px; font-size: 18px; }
.lp-sub { font-size: 14px; color: var(--text-muted); margin: 0 0 6px; }

.lp-bar {
  height: 10px;
  border-radius: 999px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  overflow: hidden;
  margin: 12px 0 8px;
}
.lp-fill {
  height: 100%;
  width: 0;
  background: var(--gain);
  border-radius: 999px;
  transition: width .45s ease;
}

.lp-count { font-size: 14px; color: var(--text-muted); }
.lp-continue { margin-top: 10px; font-size: 15px; }
.lp-note { font-size: 13px; color: var(--text-muted); margin: 12px 0 0; }
.lp-done { color: var(--gain); font-weight: 600; }
.lp-partial { color: var(--text-muted); }

@media (max-width: 640px) {
  .quiz-q { font-size: 17px; }
  .lp-card { padding: 15px 16px; }
}