/* Quantrex — consistent question layout (app + test series + practice) */

.qx-question-body {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  gap: 10px;
  margin: 0 0 14px;
  line-height: 1.7;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* Flow: natural order text → figure → text (never dump all figures first) */
.qx-question-body.qx-question-flow {
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
  align-items: stretch !important;
}

.qx-question-body.qx-question-flow .qx-q-seg-text,
.qx-question-body.qx-question-flow .qx-q-text-only,
.qx-question-body.qx-question-flow .mtk-q-text {
  order: unset !important;
  width: 100%;
  margin: 0;
  padding: 0;
  text-align: left;
  line-height: 1.65;
  font-size: inherit;
}

.qx-question-body.qx-question-flow .qx-diagram-seg,
.qx-question-body.qx-question-flow .qx-diagram-slot {
  order: unset !important;
  align-self: center;
  width: 100%;
  max-width: min(100%, 640px);
  margin: 6px auto !important;
  padding: 8px !important;
  display: flex !important;
  flex-direction: column;
  align-items: center;
  gap: 0;
  background: #fff !important;
  border: 1px solid rgba(148, 163, 184, 0.25) !important;
  border-radius: 12px !important;
  box-shadow: none !important;
  overflow: visible !important;
}

.qx-question-body.qx-question-flow .qx-diagram-seg img,
.qx-question-body.qx-question-flow .qx-diagram-slot img,
.eg-q-stem img:not(.qx-opt-fig-img),
.mtk-q-text img:not(.qx-opt-fig-img) {
  max-width: min(100%, 640px) !important;
  max-height: min(70vh, 560px) !important;
  height: auto !important;
  width: auto !important;
  margin: 8px auto !important;
  display: block !important;
  object-fit: contain !important;
}

/* Options: keep letter + text aligned, math readable */
.mtk-opt,
.qx-prac-opt {
  align-items: flex-start !important;
  gap: 12px !important;
  overflow: visible !important;
  max-width: 100% !important;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  transition: background-color .12s ease, border-color .12s ease, box-shadow .12s ease, transform .08s ease;
}
.mtk-opt:active,
.qx-prac-opt:active {
  transform: scale(0.992);
}
.mtk-opt-text,
.qx-prac-opt-text {
  flex: 1 !important;
  min-width: 0 !important;
  max-width: 100% !important;
  text-align: left !important;
  overflow-wrap: break-word;
  word-break: normal;
  overflow-x: visible;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}
.mtk-opt-text img,
.qx-prac-opt-text img,
.qx-opt-diagram-slot img,
.qx-opt-fig-img {
  max-width: min(100%, 220px) !important;
  max-height: 130px !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  display: block !important;
  margin: 4px auto !important;
}
.mtk-opt-text .katex,
.qx-prac-opt-text .katex,
.mtk-q-text .katex,
.qx-q-seg-text .katex {
  font-size: var(--nta-math, 1.15em) !important;
  line-height: 1.5 !important;
  overflow-wrap: normal !important;
  word-break: normal !important;
}
.mtk-q-text,
.qx-q-seg-text,
.qx-marks-native-q,
.qx-question-body,
.qx-content.qx-q-text-only {
  overflow-wrap: break-word;
  word-break: normal;
}
.katex, .katex-display, mjx-container {
  overflow-wrap: normal !important;
  word-break: normal !important;
}
.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
}

/* Light CBT: stem + options + math always dark ink on white */
html[data-theme="dark"] .mtk-test-root[data-test-theme="light"] .katex,
html[data-theme="dark"] .mtk-test-root[data-test-theme="light"] .katex *,
html[data-theme="dark"] .mtk-test-root[data-test-theme="light"] mjx-container,
html[data-theme="dark"] .mtk-test-root[data-test-theme="light"] mjx-container *,
.mtk-test-root[data-test-theme="light"] .mtk-q-text,
.mtk-test-root[data-test-theme="light"] .mtk-q-text .qx-content,
.mtk-test-root[data-test-theme="light"] .qx-q-seg-text,
.mtk-test-root[data-test-theme="light"] .eg-q-stem,
.mtk-test-root[data-test-theme="light"] .mtk-opt-text,
.mtk-test-root[data-test-theme="light"] .katex,
.mtk-test-root[data-test-theme="light"] .katex *,
.mtk-test-root[data-test-theme="light"] mjx-container,
.mtk-test-root[data-test-theme="light"] mjx-container * {
  color: #0f172a !important;
  -webkit-text-fill-color: #0f172a !important;
  opacity: 1 !important;
  visibility: visible !important;
}
.mtk-test-root[data-test-theme="dark"] .katex,
.mtk-test-root[data-test-theme="dark"] .katex *,
.mtk-test-root[data-test-theme="dark"] mjx-container,
.mtk-test-root[data-test-theme="dark"] mjx-container *,
.mtk-test-root[data-test-theme="dark"] .mtk-q-text,
.mtk-test-root[data-test-theme="dark"] .eg-q-stem,
.mtk-test-root[data-test-theme="dark"] .mtk-opt-text {
  color: #e5e7eb !important;
  -webkit-text-fill-color: #e5e7eb !important;
  opacity: 1 !important;
  visibility: visible !important;
}
.mtk-test-root[data-test-theme="light"] img.qx-pool-fig,
.mtk-test-root[data-test-theme="light"] .qx-fig img,
.mtk-test-root[data-test-theme="light"] .qx-opt-fig-img,
.mtk-test-root[data-test-theme="dark"] img.qx-pool-fig,
.mtk-test-root[data-test-theme="dark"] .qx-fig img,
.mtk-test-root[data-test-theme="dark"] .qx-opt-fig-img {
  background: #ffffff !important;
  opacity: 1 !important;
  visibility: visible !important;
  filter: none !important;
  mix-blend-mode: normal !important;
}

/* Solution body: same math scale + spacing */
.sol-body .katex,
.qx-sol-body .katex,
.sol-body mjx-container,
.qx-sol-body mjx-container {
  font-size: var(--math-solution-size, 1.22em) !important;
}
.sol-body img,
.qx-sol-body img {
  max-width: min(100%, 560px) !important;
  height: auto !important;
  display: block !important;
  margin: 12px auto !important;
  border-radius: 10px !important;
  background: #fff !important;
}

.qx-question-body.qx-question-flow .qx-diagram-seg .qx-fig {
  margin: 2px auto !important;
}

.qx-question-body .qx-q-before,
.qx-question-body .qx-q-after,
.qx-question-body .qx-q-text-only,
.qx-question-body .mtk-q-text,
.qx-question-body .qx-q-seg-text,
.mtk-q-text.qx-stem-forced,
.mtk-q-text.qx-stem-rescued {
  width: 100%;
  text-align: left;
  line-height: 1.7;
  font-weight: 500;
  display: block;
  visibility: visible;
  opacity: 1;
  color: inherit;
}

/* Long sentence options: one column (NTA / student-friendly) */
.mtk-options.qx-opts-stack,
.mtk-options-exam.qx-opts-stack,
.qx-prac-opts.qx-opts-stack {
  display: flex !important;
  flex-direction: column !important;
  grid-template-columns: none !important;
  gap: 10px !important;
}
.mtk-options.qx-opts-stack .mtk-opt,
.qx-prac-opts.qx-opts-stack .qx-prac-opt {
  width: 100%;
  min-height: 48px;
  touch-action: manipulation;
}
.mtk-test-root.allen-cbt .mtk-opt,
.mtk-test-root.allen-cbt .qx-prac-opt,
.mtk-test-root.allen-cbt .mtk-btn,
.mtk-test-root.allen-cbt .qzrr-btn {
  animation: none !important;
  touch-action: manipulation;
}
.mtk-test-root.allen-cbt .mtk-opt:active,
.mtk-test-root.allen-cbt .mtk-btn:active,
.mtk-test-root.allen-cbt .qzrr-btn:active {
  transform: scale(0.985);
}
.mtk-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
.mtk-act-left, .mtk-act-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.mtk-btn-save {
  margin-left: 0;
  min-width: 148px;
  z-index: 3;
}
.mtk-act-right .mtk-btn-save { margin-left: 0; }

/* Legacy single-slot before/after (only when not using flow segments) */
.qx-question-body:not(.qx-question-flow) .qx-q-before {
  order: 1;
  margin-bottom: 4px;
}

.qx-question-body:not(.qx-question-flow) .qx-diagram-slot,
.qx-question-body:not(.qx-question-flow) #qxDiagramSlot {
  order: 2;
  align-self: center;
  width: 100%;
  max-width: min(100%, 720px);
  margin: 6px auto !important;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.qx-question-body:not(.qx-question-flow) .qx-q-after {
  order: 3;
  margin-top: 4px;
}

.qx-question-body p {
  margin: 0 0 6px;
}

.qx-question-body p:last-child {
  margin-bottom: 0;
}

.mtk-main .qx-question-body,
.mtk-main .mtk-q-text {
  font-size: inherit; /* beauty-read + font-scale control size */
  color: inherit;
  font-weight: 500;
  line-height: inherit;
}

.mtk-main .qx-question-body .qx-fig,
.mtk-main .qx-question-body .qx-pool-fig-wrap,
.mtk-main .qx-question-body .qx-fig-inner {
  margin: 0 auto !important;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  overflow: visible !important;
}

.mtk-main .qx-question-body img.qx-pool-fig:not([data-qx-display-w]),
.mtk-main #qxDiagramSlot img:not([data-qx-display-w]) {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  max-width: min(100%, 480px) !important;
  max-height: 240px !important;
  width: auto !important;
  height: auto !important;
  margin: 8px auto !important;
  object-fit: contain !important;
}

.mtk-opt-text .qx-opt-diagram-slot,
.mtk-opt-text .qx-opt-fig {
  margin: 0 auto;
  text-align: center;
  line-height: 0;
}

.mtk-options.qx-opts-img .qx-opt-diagram-slot,
.mtk-options.qx-opts-img .qx-opt-fig {
  margin: 0 auto !important;
  padding: 0 !important;
}

.mtk-opt-text .qx-premium-wm-sheet {
  display: none !important;
}

.qa-wrap .qx-question-body,
.qx-prac-q-wrap .qx-question-body {
  gap: 8px;
}

.qx-irodov-q-text {
  display: block;
  width: 100%;
  margin: 0 0 12px;
  padding: 0;
  color: var(--qx-text, #1e293b);
  font-size: var(--nta-q, 16px);
  line-height: 1.65;
  text-align: left;
  white-space: normal;
  word-wrap: break-word;
}

/* Marks-native digital books — compact Marks-style layout (tight figures) */
.mtk-main .qx-marks-native,
.mtk-main .qx-marks-native-q,
body.qx-book-mode .mtk-main .mtk-q-text,
.mtk-test-root.qx-book-q .mtk-main .mtk-q-text,
.qx-practice-page.qx-book-q .qx-prac-q {
  display: block;
  width: 100%;
  margin: 0 0 6px !important;
  padding: 0 !important;
  font-size: var(--nta-q, 16px);
  line-height: 1.65;
  text-align: left;
  color: inherit;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.qx-marks-native p,
.qx-marks-native-opt p,
body.qx-book-mode .mtk-q-text p,
.mtk-test-root.qx-book-q .mtk-q-text p {
  margin: 0 0 4px;
  padding: 0;
}

.qx-marks-native p:last-child,
.qx-marks-native-opt p:last-child {
  margin-bottom: 0;
}

.qx-marks-native br + br,
body.qx-book-mode .mtk-q-text br + br,
.mtk-test-root.qx-book-q .mtk-q-text br + br {
  display: none;
}

/* Option figures stay compact inline. STEM figures are a full-width block
   so the paragraph never wraps beside the diagram (screenshot 928). */
.qx-marks-native-opt img,
.mtk-opt-text img,
.qx-prac-opt-text img {
  display: inline-block !important;
  vertical-align: middle !important;
  max-width: min(100%, 380px) !important;
  max-height: min(36vh, 260px) !important;
  width: auto !important;
  height: auto !important;
  margin: 4px 0 !important;
  object-fit: contain !important;
}

.mtk-main .qx-question-body,
.allen-practice .qx-question-body,
.mtk-test-root.qx-book-q .mtk-main .qx-question-body,
body.qx-book-mode .mtk-main .qx-question-body {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  gap: 12px !important;
  width: 100% !important;
}

.mtk-main .qx-question-body > .mtk-q-text,
.mtk-main .qx-question-body > .qx-q-seg-text,
.mtk-main .qx-question-body > .qx-q-text-only,
.allen-practice .qx-question-body > .mtk-q-text {
  display: block !important;
  width: 100% !important;
  float: none !important;
  order: 1;
}

.mtk-main .qx-question-body > .qx-fig,
.mtk-main .qx-question-body > .qx-pool-fig-wrap,
.mtk-main .qx-question-body > .qx-diagram-seg,
.mtk-main .qx-question-body > figure,
.mtk-main .qx-question-body > img,
.allen-practice .qx-question-body > img {
  display: block !important;
  float: none !important;
  clear: both !important;
  order: 2;
  margin: 8px auto 4px !important;
  max-width: min(100%, 680px) !important;
}

.qx-marks-native img,
.qx-marks-inline-fig,
.mtk-q-text img,
.qx-q-seg-text img,
.qx-marks-native-q img,
body.qx-book-mode .mtk-main .mtk-q-text img,
body.qx-book-mode .mtk-main .qx-content img,
.mtk-test-root.qx-book-q .mtk-main .qx-question-body img,
.mtk-test-root.qx-book-q .mtk-main .mtk-q-text img:not(.qx-exam-logo) {
  display: block !important;
  float: none !important;
  clear: both !important;
  vertical-align: top !important;
  max-width: min(100%, 680px) !important;
  max-height: none !important;
  width: auto !important;
  height: auto !important;
  margin: 10px auto !important;
  padding: 0 !important;
  min-height: 0 !important;
  object-fit: contain !important;
  background: #fff !important;
}

.qx-marks-native .qx-img-wrap,
.qx-marks-native figure,
.qx-marks-native .qx-fig,
.qx-marks-native .qx-pool-fig-wrap,
.qx-question-body .qx-fig,
.qx-question-body .qx-pool-fig-wrap,
body.qx-book-mode .mtk-main .qx-fig,
body.qx-book-mode .mtk-main .qx-pool-fig-wrap,
.mtk-test-root.qx-book-q .mtk-main .qx-fig,
.mtk-test-root.qx-book-q .mtk-main .qx-pool-fig-wrap {
  display: block !important;
  float: none !important;
  margin: 8px auto !important;
  padding: 0 !important;
  min-height: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  max-width: min(100%, 680px) !important;
}

.qx-marks-native math,
.qx-marks-native-opt math {
  font-size: inherit;
}

/* List-I/II: keep structure figures inside cells */
.qx-match-q-body table img,
.qx-inline-table-figs table img,
table.qx-match-list img,
.qx-match-q-body td img,
.qx-match-q-body th img {
  display: block !important;
  float: none !important;
  max-width: min(100%, 220px) !important;
  max-height: 170px !important;
  width: auto !important;
  height: auto !important;
  margin: 4px auto !important;
  background: #fff !important;
}
.qx-match-q-body table,
table.qx-match-list {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 14px;
}
.qx-match-q-body td,
.qx-match-q-body th,
table.qx-match-list td,
table.qx-match-list th {
  vertical-align: middle;
  padding: 8px 10px;
}

.mtk-main .qx-marks-native img,
.mtk-main .qx-marks-native-opt img {
  min-height: 0 !important;
  max-height: min(36vh, 260px) !important;
}

.mtk-options.qx-opts-img .mtk-opt-text .qx-marks-native-opt {
  line-height: 1.45 !important;
  text-align: left !important;
}

.mtk-options.qx-opts-img .mtk-opt-text .qx-marks-native-opt img {
  display: inline-block !important;
  margin: 2px 0 !important;
  max-width: min(100%, 280px) !important;
  max-height: min(28vh, 200px) !important;
}

/* Structure + IUPAC name options (img/latex : Name) — clean stacked layout, no leading colon */
.qx-opt-pair {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: center;
}

.qx-opt-pair-struct {
  display: block;
  width: 100%;
  line-height: 1.35;
  text-align: center;
}

.qx-opt-pair-struct img,
.qx-opt-pair-struct .qx-fig,
.qx-opt-pair-struct .qx-opt-diagram-slot {
  display: block;
  margin: 0 auto;
  max-width: 100%;
}

.qx-opt-pair-name {
  display: block;
  width: 100%;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--qx-text, #1e293b);
  text-align: center;
  word-wrap: break-word;
}

.qx-prac-opt .qx-opt-pair-name,
.mtk-opt .qx-opt-pair-name {
  margin-top: 2px;
}

/* Image-only structure options (numbering MCQs): consistent card */
.qx-prac-opts.qx-opts-img .qx-prac-opt,
.mtk-options.qx-opts-img .mtk-opt {
  align-items: flex-start;
  min-width: 0;
  overflow: hidden;
}

.qx-prac-opts.qx-opts-img .qx-prac-opt-text,
.mtk-options.qx-opts-img .mtk-opt-text {
  width: 100%;
  max-width: 100%;
}

/* ss938: never keep the live shimmer bar under a real option figure */
.qx-prac-opt:has(img) .qx-fig-loading,
.mtk-opt:has(img) .qx-fig-loading,
.qa-opt:has(img) .qx-fig-loading,
.qx-prac-opt-text:has(img) .qx-fig-loading,
.mtk-opt-text:has(img) .qx-fig-loading,
img + .qx-fig-loading,
.qx-fig-loading:has(~ img),
.qx-opt-text-only:empty {
  display: none !important;
  min-height: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}

/* Watermark seal overlays the figure — never a second bar below it */
.qx-org-qx-wm {
  position: absolute !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  max-height: 100% !important;
  pointer-events: none !important;
}
  text-align: center;
  overflow: hidden;
}
.qx-opt-text-only {
  display: block;
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: normal;
}

/* ── List-I / List-II match tables: perfect column + figure arrangement ── */
.mtk-q-text table.qx-match-list,
.qx-prac-q table.qx-match-list,
.qx-content table.qx-match-list,
.qa-q table.qx-match-list,
.sol-body table.qx-match-list,
.qx-sol-body table.qx-match-list {
  width: 100% !important;
  max-width: 100% !important;
  table-layout: fixed !important;
  border-collapse: collapse !important;
  margin: 14px 0 !important;
  font-size: 0.95em !important;
  line-height: 1.55 !important;
}

.mtk-q-text table.qx-match-list th,
.qx-prac-q table.qx-match-list th,
.qx-content table.qx-match-list th,
.qa-q table.qx-match-list th,
.mtk-q-text table.qx-match-list td,
.qx-prac-q table.qx-match-list td,
.qx-content table.qx-match-list td,
.qa-q table.qx-match-list td {
  border: 1px solid rgba(148, 163, 184, 0.45) !important;
  padding: 10px 12px !important;
  /* top-align so multi-row List-I/II cells line up (not staggered) */
  vertical-align: top !important;
  word-break: break-word !important;
  overflow-wrap: break-word;
}

.mtk-q-text table.qx-match-list th,
.qx-prac-q table.qx-match-list th,
.qx-content table.qx-match-list th,
.qa-q table.qx-match-list th {
  text-align: center !important;
  font-weight: 700 !important;
  background: rgba(148, 163, 184, 0.12) !important;
  letter-spacing: 0.02em;
}

/* Two equal columns only on true 2-col List-I | List-II.
   :has(:nth-child(3)) keeps 4-col shape tables from crushing List-II (ss936). */
table.qx-match-list:not(.qx-match-4col):not(:has(tr > :nth-child(3))) tr > th:nth-child(1),
table.qx-match-list:not(.qx-match-4col):not(:has(tr > :nth-child(3))) tr > th:nth-child(2),
table.qx-match-list:not(.qx-match-4col):not(:has(tr > :nth-child(3))) tr > td:nth-child(1),
table.qx-match-list:not(.qx-match-4col):not(:has(tr > :nth-child(3))) tr > td:nth-child(2) {
  width: 50% !important;
  display: table-cell !important;
  visibility: visible !important;
  max-width: none !important;
}
table.qx-match-list:has(tr > :nth-child(3)) td,
table.qx-match-list:has(tr > :nth-child(3)) th,
table.qx-math-array-table td,
table.qx-math-array-table th {
  display: table-cell !important;
  visibility: visible !important;
  width: auto !important;
  max-width: none !important;
  overflow: visible !important;
}
table.qx-match-list td:first-child,
table.qx-match-list th:first-child,
.qx-match-q-body table td:first-child,
.qx-match-q-body table th:first-child {
  display: table-cell !important;
  visibility: visible !important;
  width: auto !important;
  max-width: none !important;
  white-space: normal !important;
}

/* 4-col: (P) | figure | (1) | observation */
table.qx-match-list.qx-match-4col {
  table-layout: fixed !important;
}
table.qx-match-list.qx-match-4col tr > th:nth-child(1),
table.qx-match-list.qx-match-4col tr > td:nth-child(1),
table.qx-match-list.qx-match-4col tr > th:nth-child(3),
table.qx-match-list.qx-match-4col tr > td:nth-child(3) {
  width: 8% !important;
  white-space: nowrap !important;
  text-align: center !important;
}
table.qx-match-list.qx-match-4col tr > th:nth-child(2),
table.qx-match-list.qx-match-4col tr > td:nth-child(2) {
  width: 36% !important;
}
table.qx-match-list.qx-match-4col tr > th:nth-child(4),
table.qx-match-list.qx-match-4col tr > td:nth-child(4) {
  width: 48% !important;
}

.qx-list-lab {
  font-weight: 700 !important;
  font-family: var(--qx-font-ui, Inter, system-ui, sans-serif) !important;
  margin-right: 6px;
  white-space: nowrap;
  color: inherit;
}

img.qx-match-fig,
.qx-match-list img,
.mtk-q-text table img,
.qx-prac-q table img,
.qa-q table img {
  max-width: min(100%, 320px) !important;
  width: auto !important;
  height: auto !important;
  display: block !important;
  margin: 8px auto 0 !important;
  object-fit: contain !important;
  border-radius: 6px;
  background: #fff;
}

/* Math inside match cells stays readable, not oversized */
.qx-match-list .katex,
.qx-match-list mjx-container,
.mtk-q-text table .katex,
.qx-prac-q table .katex {
  font-size: 1em !important;
  line-height: 1.35 !important;
}

/* Match mapping options: even spacing + clean chips */
.mtk-opt-text,
.qx-prac-opt-text {
  word-spacing: 0.04em;
}

.qx-match-pairs {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 6px 4px !important;
  align-items: center !important;
  width: 100%;
}

.qx-match-pair {
  display: inline-flex !important;
  align-items: center !important;
  gap: 5px !important;
  padding: 5px 11px !important;
  border-radius: 8px !important;
  background: #eff6ff !important;
  border: 1px solid #93c5fd !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  font-family: Inter, system-ui, sans-serif !important;
  color: #0f172a !important;
  white-space: nowrap !important;
  line-height: 1.3 !important;
}

.qx-match-lab, .qx-match-val {
  font-weight: 800 !important;
  color: #1e3a8a !important;
  font-variant-numeric: tabular-nums;
}
.qx-match-arr { color: #2563eb !important; font-weight: 700 !important; opacity: 1 !important; }
.qx-match-sep { color: #64748b !important; margin: 0 2px 0 4px; font-weight: 600; }

.mtk-test-root[data-test-theme="dark"] .qx-match-pair,
html[data-theme="dark"] .qx-match-pair {
  background: rgba(59, 130, 246, 0.18) !important;
  border-color: rgba(96, 165, 250, 0.45) !important;
  color: #e2e8f0 !important;
}
.mtk-test-root[data-test-theme="dark"] .qx-match-lab,
.mtk-test-root[data-test-theme="dark"] .qx-match-val,
html[data-theme="dark"] .qx-match-lab,
html[data-theme="dark"] .qx-match-val { color: #93c5fd !important; }
.mtk-test-root[data-test-theme="dark"] .qx-match-arr,
html[data-theme="dark"] .qx-match-arr { color: #60a5fa !important; }

/* Inline table figures must never be hidden / zero-size (Amines List-I/II) */
.qx-inline-table-figs table img,
.qx-match-q-body table img,
.qx-inline-table-figs img.qx-match-fig,
.qx-match-list img,
table.qx-match-list img {
  opacity: 1 !important;
  visibility: visible !important;
  max-width: min(100%, 300px) !important;
  max-height: min(42vh, 260px) !important;
  min-height: 48px !important;
  width: auto !important;
  height: auto !important;
  display: block !important;
  margin: 6px auto 0 !important;
  object-fit: contain !important;
  background: #fff !important;
}

/* Never hide pool/quizrr figures as "brand" */
img.qx-pool-fig,
img.qx-match-fig,
img.qx-no-wm,
img.qx-opt-fig-img,
.qx-inline-table-figs img,
.qx-match-q-body img {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

/* Option chemistry math readable */
.qx-prac-opt-text .katex,
.mtk-opt-text .katex,
.qx-match-combo .katex {
  font-size: 1.05em !important;
  line-height: 1.35 !important;
}

.qx-match-q-body .mtk-q-text,
.qx-inline-table-figs {
  width: 100%;
  overflow-x: auto;
}

/* qxmd208: never show stem-rescued inside SOLUTION (QUESTION area only) */
#egSol .qx-stem-rescued,
#egSol .qx-stem-forced,
#egSolPanel .qx-stem-rescued,
#egSolPanel .qx-stem-forced,
.eg-sol .qx-stem-rescued,
.eg-sol .qx-stem-forced,
.eg-sol-panel .qx-stem-rescued,
.eg-sol-panel .qx-stem-forced,
.sol-body > .qx-stem-rescued,
.qx-sol-flow > .qx-stem-rescued {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  max-height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: 0 !important;
  line-height: 0 !important;
}

/* qxmd257: option figures stay inside the card; text wraps; stems stay visible */
.qx-prac-opt,
.qx-prac-opt-text,
.qx-opt-text-only,
.qx-marks-native-opt,
.qx-content {
  max-width: 100%;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
}
.qx-prac-opt img,
.qx-opt-diagram-slot img,
.qx-marks-native-opt img,
.qx-fig-flat img,
.mtk-q-text img,
.qx-q-text img {
  max-width: 100% !important;
  height: auto !important;
  object-fit: contain;
}
.qx-prac-opts,
.qx-opt-grid,
.eg-opts {
  min-width: 0;
}

/* qxmd258: one laptop screen — option figures 200px, stems 280px, contain (never crop). */
html body .mtk-test-root .mtk-main .qx-question-body img:not(.qx-exam-logo):not(.qx-opt-fig-img):not(.qx-org-qx-wm),
html body .mtk-test-root.qx-book-q .mtk-main .mtk-q-text img:not(.qx-exam-logo):not(.qx-opt-fig-img),
html body .mtk-test-root .mtk-main .mtk-q-text img:not(.qx-exam-logo):not(.qx-opt-fig-img),
html body .eg-test-root .eg-q-stem img:not(.qx-exam-logo):not(.qx-opt-fig-img),
html body .qx-question-body > img:not(.qx-exam-logo),
html body .qx-diagram-slot img:not(.qx-opt-fig-img):not(.qx-org-qx-wm),
html body #qxDiagramSlot img:not(.qx-opt-fig-img),
html body .qx-diagram-seg img:not(.qx-opt-fig-img),
html body .qx-marks-native-q img:not(.qx-opt-fig-img),
html body .qx-org-fig-host:not(.qx-org-fig-host-opt):not(.qx-org-fig-host-cell) > img,
html body img.qx-irodov-stem,
html body .qx-fig:not(.qx-opt-fig) img.qx-pool-fig:not(.qx-opt-fig-img) {
  max-width: 100% !important;
  max-height: 280px !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  object-position: center center !important;
}
html body .mtk-opt img,
html body .mtk-opt-text img,
html body .mtk-options img,
html body .qx-prac-opt img,
html body .qx-prac-opt-text img,
html body .qx-prac-opts img,
html body .qa-opt img,
html body .eg-opt img,
html body .eg-opts img,
html body #qxOpts img,
html body .qx-opt-fig img,
html body img.qx-opt-fig-img,
html body .qx-opt-diagram-slot img,
html body .qx-marks-native-opt img,
html body .qx-opt-pair img,
html body .qx-opt-pair-struct img,
html body .qx-org-fig-host-opt img,
html body .mtk-opt-text .qx-opt-fig img.qx-pool-fig,
html body .mtk-opt-text .qx-opt-diagram-slot img,
html body .mtk-opt-text img.qx-pool-fig,
html body .qx-prac-opt-text img.qx-pool-fig,
html body .qx-fig-flat img.qx-opt-fig-img {
  max-width: 100% !important;
  max-height: 200px !important;
  width: auto !important;
  height: auto !important;
  min-height: 0 !important;
  object-fit: contain !important;
  object-position: center center !important;
}
@media (max-width: 720px) {
  html body .mtk-test-root .mtk-main .qx-question-body img:not(.qx-exam-logo):not(.qx-opt-fig-img):not(.qx-org-qx-wm),
  html body .mtk-test-root.qx-book-q .mtk-main .mtk-q-text img:not(.qx-exam-logo):not(.qx-opt-fig-img),
  html body .eg-test-root .eg-q-stem img:not(.qx-exam-logo):not(.qx-opt-fig-img),
  html body .qx-diagram-slot img:not(.qx-opt-fig-img),
  html body #qxDiagramSlot img:not(.qx-opt-fig-img),
  html body img.qx-irodov-stem {
    max-height: 240px !important;
  }
  html body .mtk-opt img,
  html body .mtk-opt-text img,
  html body .qx-prac-opt img,
  html body .qx-prac-opt-text img,
  html body .qa-opt img,
  html body .eg-opt img,
  html body #qxOpts img,
  html body .qx-opt-fig img,
  html body img.qx-opt-fig-img,
  html body .qx-opt-diagram-slot img,
  html body .qx-marks-native-opt img,
  html body .qx-org-fig-host-opt img,
  html body .mtk-opt-text img.qx-pool-fig {
    max-height: 180px !important;
  }
}

/* qxmd258: option figures beat the stem cap when both match */
html body .mtk-test-root.qx-book-q .mtk-main .mtk-q-text .mtk-opt img:not(.qx-exam-logo),
html body .mtk-test-root.qx-book-q .mtk-main .mtk-q-text .qx-prac-opt img:not(.qx-exam-logo),
html body .mtk-test-root .mtk-main .qx-question-body .mtk-opt img:not(.qx-exam-logo),
html body .mtk-test-root .mtk-main .qx-question-body .qx-prac-opt img:not(.qx-exam-logo),
html body .eg-test-root .eg-q-stem .eg-opt img:not(.qx-exam-logo),
html body .eg-test-root #qxOpts img:not(.qx-exam-logo),
html body .mtk-test-root .mtk-main .mtk-options img:not(.qx-exam-logo),
html body .qx-org-fig-host-opt img:not(.qx-org-qx-wm) {
  max-width: 100% !important;
  max-height: 200px !important;
  width: auto !important;
  height: auto !important;
  min-height: 0 !important;
  object-fit: contain !important;
  object-position: center center !important;
}
@media (max-width: 720px) {
  html body .mtk-test-root.qx-book-q .mtk-main .mtk-q-text .mtk-opt img:not(.qx-exam-logo),
  html body .mtk-test-root .mtk-main .qx-question-body .mtk-opt img:not(.qx-exam-logo),
  html body .eg-test-root #qxOpts img:not(.qx-exam-logo),
  html body .qx-org-fig-host-opt img:not(.qx-org-qx-wm) {
    max-height: 180px !important;
  }
}

/* qxmd297: auto-fit stem + options so the full question stays on screen */
html body .qzrr-q-area,
html body #qzrrQArea,
html body #egQArea,
html body .eg-q-stem,
html body .mtk-q-text,
html body .qx-question-body,
html body .mtk-opt,
html body .eg-opt,
html body .qx-prac-opt,
html body .mtk-opt-text {
  max-width: 100%;
  min-width: 0;
  height: auto;
  max-height: none;
  overflow-wrap: break-word;
  word-break: normal;
}
html body .qzrr-opts,
html body #qxOpts,
html body .eg-opts,
html body .mtk-options {
  max-height: none;
  overflow: visible;
  min-width: 0;
}
html body .katex,
html body .katex-display,
html body .mtk-opt .katex,
html body .eg-q-stem .katex {
  overflow-wrap: normal !important;
  word-break: normal !important;
}