/* QuizGorilla JSON Test Player v2. Scoped to .qgp to avoid touching legacy HTML tests. */
.json-test-page .site-main {
  max-width: none;
  width: 100%;
  padding: clamp(14px, 2vw, 28px) clamp(12px, 2vw, 28px) 42px;
}

.qgp {
  --qgp-bg: #edf5ff;
  --qgp-card: #ffffff;
  --qgp-card-soft: #f7fbff;
  --qgp-text: #081733;
  --qgp-muted: #5c6b86;
  --qgp-line: #cfe0f5;
  --qgp-line-strong: #a9c8ee;
  --qgp-blue: #0b5ca8;
  --qgp-blue-soft: #ecf6ff;
  --qgp-cyan: #17a5c4;
  --qgp-green: #006d4a;
  --qgp-green-bg: #e8f9f0;
  --qgp-red: #9d1c1c;
  --qgp-red-bg: #fff1f1;
  --qgp-orange: #955f00;
  --qgp-orange-bg: #fff7e6;
  --qgp-shadow: 0 24px 70px rgba(19, 52, 95, .14);
  --qgp-radius: 26px;
  color: var(--qgp-text);
}

.qgp * { box-sizing: border-box; }

.qgp-shell {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.qgp-side {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 116px);
  overflow: auto;
  padding: 26px;
  border: 1px solid var(--qgp-line);
  border-radius: var(--qgp-radius);
  background: rgba(255,255,255,.92);
  box-shadow: var(--qgp-shadow);
}

.qgp-side h2 {
  margin: 0 0 18px;
  font-size: 29px;
  line-height: 1.05;
  letter-spacing: -.035em;
}

.qgp-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-weight: 900;
  color: var(--qgp-blue);
}

.qgp-select {
  width: 100%;
  min-height: 58px;
  padding: 0 18px;
  margin: 0 0 14px;
  border: 1px solid var(--qgp-line);
  border-radius: 17px;
  background: #fff;
  color: var(--qgp-text);
  font: inherit;
  font-weight: 650;
}

.qgp-progress-track {
  height: 12px;
  margin: 22px 0 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #dce9f7;
}

.qgp-progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--qgp-cyan), var(--qgp-blue));
  transition: width .22s ease;
}

.qgp-progress-text {
  margin: 0 0 16px;
  color: var(--qgp-muted);
  font-size: 15px;
  line-height: 1.45;
}

.qgp-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0 16px;
}

.qgp-stat {
  min-height: 94px;
  padding: 16px;
  border: 1px solid var(--qgp-line);
  border-radius: 18px;
  background: #f7fbff;
}

.qgp-stat small {
  display: block;
  margin-bottom: 8px;
  color: var(--qgp-muted);
  font-weight: 750;
}

.qgp-stat b {
  display: block;
  color: var(--qgp-text);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.04em;
}

.qgp-navgrid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0 0;
}

.qgp-navbtn {
  min-height: 56px;
  border: 1px solid var(--qgp-line);
  border-radius: 16px;
  background: #fff;
  color: var(--qgp-text);
  font: inherit;
  font-weight: 950;
  cursor: pointer;
  transition: transform .12s ease, border-color .12s ease, background .12s ease, color .12s ease, box-shadow .12s ease;
}

.qgp-navbtn:hover {
  transform: translateY(-1px);
  border-color: var(--qgp-line-strong);
}

.qgp-navbtn.current {
  outline: 4px solid #a5dcff;
  border-color: #58a5df;
  background: #eff9ff;
}

.qgp-navbtn.ok {
  border-color: #77d7ad;
  background: var(--qgp-green-bg);
  color: var(--qgp-green);
}

.qgp-navbtn.bad {
  border-color: #ffacac;
  background: var(--qgp-red-bg);
  color: var(--qgp-red);
}

.qgp-navbtn.answered {
  border-color: #c7d6e8;
  background: #f5f9ff;
  color: #31516f;
}

.qgp-navbtn.hidden { display: none; }

.qgp-side-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.qgp-main {
  min-width: 0;
}

.qgp-card {
  padding: clamp(22px, 3vw, 44px);
  border: 1px solid var(--qgp-line);
  border-radius: var(--qgp-radius);
  background: var(--qgp-card);
  box-shadow: var(--qgp-shadow);
}

.qgp-hero {
  margin-bottom: 18px;
  padding: 24px clamp(22px, 3vw, 34px);
  border: 1px solid var(--qgp-line);
  border-radius: var(--qgp-radius);
  background: radial-gradient(circle at top left, #ffffff 0, #f8fcff 45%, #eef7ff 100%);
  box-shadow: var(--qgp-shadow);
}

.qgp-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.qgp-hero p {
  max-width: 920px;
  margin: 0;
  color: var(--qgp-muted);
  font-size: 17px;
  line-height: 1.55;
}

.qgp-top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.qgp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.qgp-chip {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid var(--qgp-line);
  border-radius: 999px;
  background: #f9fcff;
  color: var(--qgp-blue);
  font-weight: 950;
}

.qgp-chip.chapter {
  background: var(--qgp-blue-soft);
  border-color: #bad9f7;
}

.qgp-chip.kind {
  background: var(--qgp-orange-bg);
  border-color: #f0ce87;
  color: var(--qgp-orange);
}

.qgp-title {
  margin: 0 0 24px;
  color: var(--qgp-text);
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.08;
  letter-spacing: -.055em;
}

.qgp-context,
.qgp-help {
  margin: 0 0 22px;
  padding: 17px 20px;
  border-radius: 18px;
  font-size: 19px;
  line-height: 1.52;
}

.qgp-context {
  border: 1px solid var(--qgp-line);
  background: #f9fcff;
  color: #243b5b;
}

.qgp-help {
  border: 1px dashed #8dc6ff;
  background: #f8fcff;
  color: #0b366f;
}

.qgp-formula {
  margin: 0 0 22px;
  padding: 18px 20px;
  border: 1px solid var(--qgp-line);
  border-radius: 18px;
  background: #fbfdff;
  color: #14213d;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 18px;
  overflow-x: auto;
}

.qgp-vip-visual-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin: -8px 0 12px;
}

.qgp-vip-visual-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--qgp-line-strong);
  border-radius: 12px;
  background: #fff;
  color: var(--qgp-blue);
  box-shadow: 0 6px 16px rgba(19, 52, 95, .08);
  font: inherit;
  font-size: 14px;
  font-weight: 850;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .12s ease, border-color .12s ease, background .12s ease, box-shadow .12s ease;
}

.qgp-vip-visual-toggle:hover {
  transform: translateY(-1px);
  border-color: #72aee8;
  background: #f8fcff;
  box-shadow: 0 9px 20px rgba(19, 52, 95, .12);
}

.qgp-vip-visual-toggle:focus-visible {
  outline: 3px solid rgba(23, 165, 196, .28);
  outline-offset: 2px;
}

.qgp-vip-visual-toggle-icon {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  border-radius: 6px;
  background: var(--qgp-blue-soft);
  font-size: 18px;
  font-weight: 950;
  line-height: 1;
}

.qgp-vip-visual-assets {
  min-width: 0;
}

.qgp.qgp-vip-visuals-collapsed .qgp-vip-visual-assets {
  display: none;
}

.qgp.qgp-vip-visuals-collapsed .qgp-vip-visual-toolbar {
  margin-bottom: 22px;
}

.qgp.qgp-vip-visuals-collapsed .qgp-vip-visual-toggle {
  border-color: #8fc3ee;
  background: var(--qgp-blue-soft);
}

.qgp-figure {
  margin: 0 0 24px;
  overflow: hidden;
  border: 1px solid var(--qgp-line);
  border-radius: 22px;
  background: linear-gradient(180deg, #f8fbff, #fff);
}

.qgp-figure img {
  display: block;
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  background: #f7faff;
}

.qgp-figure figcaption,
.qgp-asset-placeholder {
  padding: 13px 16px;
  border-top: 1px solid var(--qgp-line);
  color: var(--qgp-muted);
  font-size: 15px;
  line-height: 1.45;
  background: #fbfdff;
}

.qgp-options {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

.qgp-option {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 86px;
  padding: 18px 22px;
  border: 1px solid var(--qgp-line);
  border-radius: 20px;
  background: #fff;
  color: var(--qgp-text);
  font: inherit;
  font-size: clamp(16px, 1.35vw, 22px);
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
  transition: transform .12s ease, border-color .12s ease, background .12s ease, box-shadow .12s ease, color .12s ease;
}

.qgp-option:hover {
  transform: translateY(-1px);
  border-color: var(--qgp-line-strong);
  box-shadow: 0 14px 28px rgba(19, 52, 95, .08);
}

.qgp-option-letter {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: #eef5fd;
  color: var(--qgp-text);
  font-size: 18px;
  font-weight: 950;
}

.qgp-option.selected {
  border-color: #5ba6ec;
  background: #eef8ff;
  box-shadow: 0 0 0 4px rgba(37, 111, 196, .10);
}

.qgp-option.correct {
  border-color: #5dd19d;
  background: var(--qgp-green-bg);
  color: var(--qgp-green);
  font-weight: 800;
}

.qgp-option.wrong {
  border-color: #ff9f9f;
  background: var(--qgp-red-bg);
  color: var(--qgp-red);
  font-weight: 800;
}

.qgp-option.locked {
  cursor: default;
}

.qgp-option.locked:hover {
  transform: none;
  box-shadow: none;
}

.qgp-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.qgp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 14px 22px;
  border: 1px solid var(--qgp-line);
  border-radius: 17px;
  background: #fff;
  color: var(--qgp-text);
  font: inherit;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(19, 52, 95, .05);
  transition: transform .12s ease, border-color .12s ease, background .12s ease, opacity .12s ease;
}

.qgp-btn:hover {
  transform: translateY(-1px);
  border-color: var(--qgp-line-strong);
}

.qgp-btn.primary {
  border-color: #b7d1ef;
  background: #cfe1f5;
  color: #fff;
}

.qgp-btn.primary.ready {
  border-color: var(--qgp-blue);
  background: var(--qgp-blue);
  box-shadow: 0 18px 32px rgba(11, 92, 168, .22);
}

.qgp-btn.danger {
  border-color: #ffc0c0;
  background: #fff6f6;
  color: var(--qgp-red);
}

.qgp-btn:disabled {
  opacity: .62;
  cursor: not-allowed;
  transform: none;
}

.qgp-feedback {
  display: none;
  margin-top: 26px;
  padding: 24px 26px;
  border: 1px solid var(--qgp-line);
  border-radius: 22px;
  background: #fbfdff;
}

.qgp-feedback.show { display: block; }
.qgp-feedback.good {
  border-color: #66d6a2;
  background: var(--qgp-green-bg);
  color: var(--qgp-green);
}
.qgp-feedback.bad {
  border-color: #ff9f9f;
  background: var(--qgp-red-bg);
  color: var(--qgp-red);
}
.qgp-feedback.pending {
  border-color: #c7d6e8;
  background: #f5f9ff;
  color: #24384e;
}

.qgp-feedback h3 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -.035em;
}

.qgp-feedback p {
  margin: 9px 0;
  font-size: 18px;
  line-height: 1.55;
}

.qgp-correction {
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 16px;
  background: rgba(255,255,255,.76);
  color: var(--qgp-text);
}

.qgp-correction strong {
  display: block;
  margin-bottom: 6px;
}

.qgp-summary {
  display: none;
  margin-top: 18px;
}

.qgp-summary.show { display: block; }

.qgp-summary h2 {
  margin: 0 0 10px;
  font-size: 38px;
  letter-spacing: -.04em;
}

.qgp-table-wrap {
  overflow: auto;
  border: 1px solid var(--qgp-line);
  border-radius: 18px;
  background: #fff;
}

.qgp-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 15px;
}

.qgp-table th,
.qgp-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--qgp-line);
  text-align: left;
  vertical-align: top;
}

.qgp-table th {
  background: #f7fbff;
  font-weight: 950;
}

.qgp-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 950;
}

.qgp-badge.ok { background: var(--qgp-green-bg); color: var(--qgp-green); }
.qgp-badge.bad { background: var(--qgp-red-bg); color: var(--qgp-red); }
.qgp-badge.answered { background: #eaf3ff; color: #31516f; }
.qgp-badge.todo { background: #eef3f8; color: #4d5e75; }

.qgp-empty {
  padding: 28px;
  border: 1px dashed var(--qgp-line);
  border-radius: 22px;
  background: #fff;
  color: var(--qgp-muted);
  text-align: center;
}

.qgp-status {
  min-height: 24px;
  margin-top: 8px;
  color: var(--qgp-muted);
  font-weight: 800;
}
.qgp-status.success { color: var(--qgp-green); }
.qgp-status.error { color: var(--qgp-red); }

@media (max-width: 1180px) {
  .qgp-shell { grid-template-columns: 1fr; }
  .qgp-side {
    position: relative;
    top: auto;
    max-height: none;
    order: 2;
  }
  .qgp-main { order: 1; }
  .qgp-navgrid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .json-test-page .site-main { padding: 12px 10px 34px; }
  .qgp-card,
  .qgp-side,
  .qgp-hero { border-radius: 20px; padding: 18px; }
  .qgp-title { font-size: 34px; }
  .qgp-navgrid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .qgp-option { grid-template-columns: 40px 1fr; padding: 14px; min-height: 72px; }
  .qgp-option-letter { width: 34px; height: 34px; }
  .qgp-btn { width: 100%; }
  .qgp-stats { grid-template-columns: 1fr 1fr; }
}


/* Generated JSON tests: same proportions as the imported HTML player, with restrained line lengths. */
.json-test-page .json-player-wrap {
  --qgp-line: #cfe0f5;
  --qgp-shadow: 0 24px 70px rgba(19, 52, 95, .14);
  min-height: calc(100vh - 118px);
  padding: 28px;
  border: 1px solid var(--qgp-line);
  border-radius: 28px;
  background: linear-gradient(135deg, #eaf3ff 0%, #f8fbff 100%);
  box-shadow: var(--qgp-shadow);
  overflow: auto;
}

.json-test-page .json-player-wrap .test-expand-btn {
  top: 16px;
  right: 16px;
}

.json-test-page .json-player-wrap .qgp {
  width: 100%;
  max-width: 1576px;
  margin: 0 auto;
}

.json-test-page .qgp-shell {
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.json-test-page .qgp-main {
  width: 100%;
  max-width: 1120px;
  min-width: 0;
  padding-right: 0;
}

.json-test-page .qgp-side {
  top: 0;
  max-height: calc(100vh - 174px);
  padding: 22px;
  border-radius: 26px;
  box-shadow: 0 18px 55px rgba(25, 71, 128, .14);
}

.json-test-page .qgp-side h2 {
  margin-bottom: 18px;
  font-size: 26px;
}

.json-test-page .qgp-select {
  min-height: 56px;
  padding: 0 16px;
  margin-bottom: 12px;
  border-radius: 16px;
  font-size: 15px;
  font-weight: 700;
}

.json-test-page .qgp-progress-track {
  height: 10px;
  margin: 18px 0 10px;
}

.json-test-page .qgp-progress-text {
  font-size: 14px;
}

.json-test-page .qgp-stat {
  min-height: 86px;
  padding: 13px 14px;
  border-radius: 16px;
}

.json-test-page .qgp-stat b {
  font-size: 28px;
}

.json-test-page .qgp-navgrid {
  gap: 10px;
}

.json-test-page .qgp-navbtn {
  min-height: 48px;
  border-radius: 14px;
}

.json-test-page .qgp-card {
  min-height: auto;
  padding: 34px;
  border-radius: 26px;
}

.json-test-page .qgp-chips {
  gap: 10px;
  margin-bottom: 18px;
}

.json-test-page .qgp-chip {
  min-height: 38px;
  padding: 8px 14px;
  font-size: 14px;
}

.json-test-page .qgp-title {
  max-width: 980px;
  margin-bottom: 22px;
  color: var(--qgp-text);
  font-size: clamp(32px, 2.7vw, 52px);
  line-height: 1.08;
  letter-spacing: -.045em;
}

.json-test-page .qgp-context,
.json-test-page .qgp-help {
  margin-bottom: 20px;
  padding: 16px 18px;
  border-radius: 18px;
  font-size: 18px;
  line-height: 1.45;
}

.json-test-page .qgp-options {
  gap: 14px;
  margin: 22px 0;
}

.json-test-page .qgp-option {
  min-height: 74px;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 18px 20px;
  border-radius: 18px;
  font-size: 18px;
  line-height: 1.35;
}

.json-test-page .qgp-option-letter {
  width: 38px;
  height: 38px;
  font-size: 16px;
}

.json-test-page .qgp-controls {
  margin-top: 20px;
}

.json-test-page .qgp-btn {
  min-height: 50px;
  padding: 12px 18px;
  border-radius: 16px;
  font-size: 15px;
}

.json-test-page .json-player-wrap.is-expanded {
  padding: 28px;
  border-radius: 0;
  background: linear-gradient(135deg, #eaf3ff 0%, #f8fbff 100%);
}

.json-test-page .json-player-wrap.is-expanded .qgp {
  min-height: auto;
  max-width: 1576px;
}

.json-test-page .json-player-wrap.is-expanded .qgp-side {
  max-height: calc(100vh - 56px);
}

.json-test-page .json-player-wrap.is-expanded .qgp-main {
  max-width: 1120px;
}

.json-test-page .json-player-wrap.is-expanded .qgp-card {
  min-height: auto;
}

.json-test-page .json-player-wrap.is-expanded .qgp-title {
  max-width: 980px;
  font-size: clamp(32px, 2.45vw, 50px);
}

@media (max-width: 1180px) {
  .json-test-page .qgp-shell { grid-template-columns: 1fr; }
  .json-test-page .qgp-side { position: relative; max-height: none; }
  .json-test-page .qgp-main,
  .json-test-page .json-player-wrap.is-expanded .qgp-main { max-width: none; }
  .json-test-page .qgp-title,
  .json-test-page .json-player-wrap.is-expanded .qgp-title { max-width: none; }
  .json-test-page .qgp-navgrid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .json-test-page .json-player-wrap,
  .json-test-page .json-player-wrap.is-expanded { padding: 14px; border-radius: 22px; }
  .json-test-page .qgp-card,
  .json-test-page .qgp-side { padding: 18px; border-radius: 20px; }
  .json-test-page .qgp-title,
  .json-test-page .json-player-wrap.is-expanded .qgp-title { font-size: 32px; }
  .json-test-page .qgp-option { grid-template-columns: 42px 1fr; padding: 14px; font-size: 16px; }
  .json-test-page .qgp-option-letter { width: 34px; height: 34px; }
  .json-test-page .qgp-navgrid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* Quizify-only presentation fixes: clearer source statement/step blocks and readable formulas. */
.qgp-card.quizify-step .qgp-context {
  display: block;
  border-color: #b8d8fb;
  background: linear-gradient(180deg, #f8fbff, #ffffff);
  white-space: normal;
}


.qgp-card.quizify-step .qgp-context sub,
.qgp-card.quizify-step .qgp-context sup,
.qgp-card.quizify-step .qgp-option sub,
.qgp-card.quizify-step .qgp-option sup,
.qgp-card.quizify-step .qgp-correction sub,
.qgp-card.quizify-step .qgp-correction sup {
  line-height: 0;
}

.qgp-card.quizify-step .qgp-context strong {
  display: inline-block;
  margin-bottom: 5px;
  color: #0b366f;
  font-weight: 950;
}

.qgp-card.quizify-step .qgp-formula-list {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  white-space: normal;
  line-height: 1.55;
}

.qgp-card.quizify-step .qgp-formula-line {
  padding: 8px 0;
}

.qgp-card.quizify-step .qgp-formula-line + .qgp-formula-line {
  border-top: 1px solid var(--qgp-line);
}

/* Quizify-only hotfix: make the step prompt visually clear and keep solution formulas in feedback only. */
.qgp-card.quizify-step .qgp-quizify-context {
  padding: 20px 22px;
}

.qgp-card.quizify-step .qgp-quizify-context-block + .qgp-quizify-context-block {
  margin-top: 16px;
}

.qgp-card.quizify-step .qgp-quizify-step-box {
  padding: 18px 20px;
  border: 2px solid #8cc5ff;
  border-radius: 18px;
  background: linear-gradient(180deg, #edf7ff, #ffffff);
  box-shadow: 0 12px 28px rgba(20, 117, 207, 0.10);
}

.qgp-card.quizify-step .qgp-quizify-step-label {
  display: block;
  margin-bottom: 8px;
  color: #0b4d91;
  font-size: 15px;
  font-weight: 950;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.qgp-card.quizify-step .qgp-quizify-step-text {
  display: block;
  color: #061a3a;
  font-size: clamp(22px, 1.4vw, 29px);
  font-weight: 900;
  line-height: 1.42;
}

.qgp-card.quizify-step .qgp-formula-feedback .qgp-formula-list {
  margin-top: 10px;
  margin-bottom: 0;
}

/* Quizify-only feedback readability: split dense formulas into logical lines after answer reveal. */
.qgp-card.quizify-step .qgp-quizify-explanation {
  line-height: 1.58;
}

.qgp-card.quizify-step .qgp-quizify-explanation > strong {
  margin-bottom: 12px;
}

.qgp-card.quizify-step .qgp-quizify-explanation-section {
  margin-top: 14px;
}

.qgp-card.quizify-step .qgp-quizify-explanation-label {
  margin-bottom: 7px;
  color: #0b366f;
  font-weight: 950;
}

.qgp-card.quizify-step .qgp-quizify-explanation-text {
  color: var(--qgp-text);
}

.qgp-card.quizify-step .qgp-quizify-math-lines,
.qgp-card.quizify-step .qgp-quizify-formula-list {
  display: grid;
  gap: 8px;
}

.qgp-card.quizify-step .qgp-quizify-math-line,
.qgp-card.quizify-step .qgp-quizify-formula-list .qgp-formula-line,
.qgp-card.quizify-step .qgp-quizify-text-line {
  min-width: 0;
  max-width: 100%;
  padding: 10px 12px;
  border: 1px solid #d7e8fb;
  border-radius: 12px;
  background: #f8fbff;
  color: #061a3a;
  font-weight: 780;
  line-height: 1.5;
  overflow-wrap: break-word;
  word-break: normal;
  overflow-x: auto;
  overflow-y: hidden;
}

.qgp-card.quizify-step .qgp-quizify-formula-list .qgp-formula-line + .qgp-formula-line {
  border-top: 1px solid #d7e8fb;
}

.qgp-card.quizify-step .qgp-quizify-math-line sub,
.qgp-card.quizify-step .qgp-quizify-math-line sup,
.qgp-card.quizify-step .qgp-quizify-formula-list sub,
.qgp-card.quizify-step .qgp-quizify-formula-list sup {
  line-height: 0;
}


/* Quizify-only MathJax layer: render generated/source formulas as real math without affecting other quiz modes. */
.qgp-card.quizify-step .qgp-mathjax-inline {
  display: inline-block;
  max-width: 100%;
  vertical-align: baseline;
  line-height: 1.2;
  white-space: normal;
}

.qgp-card.quizify-step .qgp-mathjax-block {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px 0;
  white-space: normal;
}

.qgp-card.quizify-step .qgp-mathjax-block mjx-container[display="true"] {
  margin: 0 !important;
  text-align: left !important;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.qgp-card.quizify-step .qgp-mathjax-inline mjx-container {
  margin: 0 1px;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.qgp-card.quizify-step .qgp-quizify-math-line .qgp-mathjax-block,
.qgp-card.quizify-step .qgp-quizify-formula-list .qgp-mathjax-block,
.qgp-card.quizify-step .qgp-quizify-explanation-math .qgp-mathjax-block {
  padding: 0;
}

.qgp-card.quizify-step .qgp-quizify-explanation-text .qgp-mathjax-inline,
.qgp-card.quizify-step .qgp-quizify-context .qgp-mathjax-inline,
.qgp-card.quizify-step .qgp-option .qgp-mathjax-inline {
  font-weight: inherit;
}

.qgp-mathjax-unavailable .qgp-card.quizify-step .qgp-mathjax-inline,
.qgp-mathjax-unavailable .qgp-card.quizify-step .qgp-mathjax-block {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Quizify-only title hotfix: split bulky auto-generated titles into readable parts. */
.qgp-card.quizify-step .qgp-quizify-title {
  display: grid;
  gap: 10px;
  margin: 0 0 26px;
  max-width: 1060px;
}

.qgp-card.quizify-step .qgp-quizify-title-main {
  margin: 0;
  color: var(--qgp-title);
  font-size: clamp(34px, 2.7vw, 52px);
  line-height: 1.04;
  font-weight: 950;
  letter-spacing: -0.045em;
}

.qgp-card.quizify-step .qgp-quizify-title-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.qgp-card.quizify-step .qgp-quizify-title-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid #cfe3fb;
  border-radius: 999px;
  background: #f7fbff;
  color: #0b4d91;
  font-weight: 850;
  font-size: 14px;
}

.qgp-card.quizify-step .qgp-quizify-title-detail {
  color: #10294f;
  font-size: clamp(20px, 1.35vw, 30px);
  line-height: 1.3;
  font-weight: 850;
  max-width: 980px;
}

.qgp-card.quizify-step .qgp-quizify-title-detail sub,
.qgp-card.quizify-step .qgp-quizify-title-detail sup {
  line-height: 0;
}

@media (max-width: 680px) {
  .qgp-card.quizify-step .qgp-quizify-title-main {
    font-size: 32px;
  }
  .qgp-card.quizify-step .qgp-quizify-title-detail {
    font-size: 20px;
  }
}

/* Quizify-only: if MathJax rejects a malformed fragment, fall back to readable HTML instead of showing the raw TeX error. */
.qgp-card.quizify-step .qgp-mathjax-fallback {
  display: inline;
  font-family: inherit;
  white-space: normal;
  overflow-wrap: anywhere;
}

.qgp-card.quizify-step .qgp-mathjax-block.qgp-mathjax-fallback {
  display: block;
}

/* Quizify v7: avoid raw MathJax error boxes when a source line contains non-LaTeX prose. */
.qgp-card.quizify-step .qgp-mathjax-fallback {
  display: inline;
  font-family: inherit;
  white-space: normal;
  color: inherit;
  background: transparent;
}

.qgp-card.quizify-step .qgp-quizify-step-text .qgp-mathjax-fallback,
.qgp-card.quizify-step .qgp-quizify-text-line .qgp-mathjax-fallback {
  font-weight: inherit;
}