@import 'generative-ai-light.css';
/* ==========================================================================
   Universal Reading IELTS Practice Simulator Stylesheet
   Crafted with Design-Taste-Frontend System: Linear-Clean • Academic Rigor
   ========================================================================== */

@import url('inspera-matching-headings.css');

:root {
  --reading-font-size: 17px;
  --header-height: 58px;
  --primary-color: #059669;
  --primary-hover: #047857;
  --primary-active: #065f46;
  --accent-blue: #2563eb;
  --accent-blue-light: #eff6ff;
  --bg-slate: #f8fafc;
  --border-subtle: #e2e8f0;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --surface-white: #ffffff;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-slate);
  color: var(--text-main);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: var(--reading-font-size);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Master Layout */
.practice-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
  position: relative;
}

/* Navigation Header */
.practice-header {
  flex: 0 0 var(--header-height);
  height: var(--header-height);
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 40;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.4rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #475569;
  background-color: #f1f5f9;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
  flex-shrink: 0;
}
.brand-back-btn:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}

.test-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: #eff6ff;
  color: #2563eb;
  border: 1px solid #dbeafe;
}

.test-title-heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}
@media (max-width: 768px) {
  .test-title-heading {
    max-width: 150px;
    font-size: 0.8125rem;
  }
}

/* Header Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

/* Timer Control */
.timer-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 0.5rem;
  background: #f8fafc;
  border: 1px solid var(--border-subtle);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
  font-weight: 700;
  color: #334155;
  user-select: none;
}
.timer-pill.urgent {
  color: #dc2626;
  border-color: #fecaca;
  background-color: #fef2f2;
}
.timer-toggle-btn {
  background: none;
  border: none;
  font-size: 0.75rem;
  color: #64748b;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.375rem;
  font-weight: 600;
  text-decoration: underline;
  transition: all 0.15s ease;
}
.timer-toggle-btn:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}
.timer-toggle-btn:focus-visible {
  outline: 2px solid #0284c7;
  outline-offset: 1px;
}

/* Font Sizing Widget */
.font-widget {
  display: flex;
  align-items: center;
  background: #f1f5f9;
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  padding: 2px;
  gap: 2px;
}
.font-btn {
  background: none;
  border: none;
  padding: 0.35rem 0.65rem;
  min-height: 34px;
  min-width: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  transition: all 0.15s ease;
}
.font-btn:hover {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.font-btn:focus-visible {
  outline: 2px solid #0284c7;
  outline-offset: 1px;
}

/* Check All Button */
.btn-check-all {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--primary-color);
  color: #ffffff;
  border: none;
  padding: 0.45rem 1rem;
  min-height: 36px;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 2px 0 rgba(5, 150, 105, 0.2);
  transition: all 0.15s ease-in-out;
  white-space: nowrap;
}
.btn-check-all:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(5, 150, 105, 0.25);
}
.btn-check-all:active {
  transform: translateY(0);
  background-color: var(--primary-active);
}
.btn-check-all:focus-visible {
  outline: 2px solid #0284c7;
  outline-offset: 2px;
}

/* Dual Pane Viewport */
.content-panes {
  flex: 1 1 0%;
  display: grid;
  grid-template-columns: 50% 6px 1fr;
  width: 100%;
  height: calc(100dvh - var(--header-height));
  overflow: hidden;
  background: var(--bg-slate);
}

@media (max-width: 768px) {
  html:not(:has(.exam-container)) {
    height: auto !important;
    min-height: 100dvh !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
  }

  body:not(.real-exam-page):not(:has(.exam-container)),
  .practice-container {
    height: auto !important;
    min-height: 100dvh !important;
    overflow-x: clip !important;
    overflow-y: visible !important;
  }

  .practice-header {
    height: auto !important;
    min-height: 50px !important;
    padding: 0.45rem 0.65rem !important;
    flex-wrap: wrap !important;
    gap: 0.4rem !important;
  }

  .header-brand {
    width: 100% !important;
    justify-content: flex-start !important;
    gap: 0.5rem !important;
  }

  .header-brand .test-title-heading {
    max-width: 170px !important;
    font-size: 0.8125rem !important;
  }

  .header-actions {
    width: 100% !important;
    justify-content: space-between !important;
    gap: 0.35rem !important;
  }

  .timer-pill {
    padding: 0.25rem 0.5rem !important;
    font-size: 0.75rem !important;
    gap: 0.35rem !important;
  }

  .timer-pill svg {
    width: 14px !important;
    height: 14px !important;
  }

  .timer-toggle-btn {
    font-size: 0.625rem !important;
  }

  .btn-check-all {
    padding: 0.35rem 0.65rem !important;
    font-size: 0.75rem !important;
    gap: 0.25rem !important;
  }

  .btn-check-all svg {
    width: 14px !important;
    height: 14px !important;
  }

  .content-panes {
    display: flex !important;
    flex-direction: column !important;
    height: auto !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }

  .pane {
    padding: 1.15rem 0.85rem !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .questions-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    gap: 1.25rem !important;
  }

  .question-section-card {
    padding: 1.15rem 0.85rem !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }
}

/* Pane Sections */
.pane {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2.25rem 2.5rem;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 1024px) {
  .pane {
    padding: 1.5rem 1.25rem;
  }
}

#left-pane {
  background: #ffffff;
  border-right: 1px solid var(--border-subtle);
}

#right-pane {
  background: #f8fafc;
}

/* Splitter Bar */
.splitter {
  width: 6px;
  background: #e2e8f0;
  cursor: col-resize;
  transition: background 0.15s;
  position: relative;
  z-index: 10;
}
.splitter:hover, .splitter.active {
  background: #3b82f6;
}
@media (max-width: 768px) {
  .splitter {
    display: none;
  }
}

/* Academic Passage Styling */
.reading-passage {
  max-width: 70ch;
  margin: 0 auto;
  font-size: var(--reading-font-size);
  color: #334155;
  line-height: 1.8;
}

.reading-passage h1, 
.reading-passage h2, 
.reading-passage h3 {
  font-family: 'Merriweather', Georgia, serif;
  color: #0f172a;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: 0.75rem;
  text-align: center;
}

.reading-passage h4 {
  font-weight: 400;
  color: #64748b;
  font-style: italic;
  text-align: center;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.reading-passage p {
  margin-bottom: 1.4rem;
  text-align: justify;
}

.paragraph-label, .para-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.85rem;
  height: 1.85rem;
  padding: 0 0.45rem;
  margin-right: 0.75rem;
  margin-bottom: 0.15rem;
  background: #eff6ff;
  border: 1.5px solid #bfdbfe;
  color: #1d4ed8;
  font-size: 0.875rem;
  font-weight: 800;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  border-radius: 0.375rem;
  vertical-align: middle;
  user-select: none;
  box-shadow: 0 1px 2px rgba(59, 130, 246, 0.08);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

/* Question Cards & Sections */
.questions-wrapper {
  max-width: 760px;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.question-section-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 0.875rem;
  padding: 1.75rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.02);
  transition: border-color 0.2s;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.section-header-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2563eb;
  flex-shrink: 0;
}

.section-instructions {
  font-size: 0.875rem;
  color: #64748b;
  font-style: italic;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

/* Individual Question Items */
.q-item {
  margin-bottom: 1.25rem;
  font-size: var(--reading-font-size);
  color: #1e293b;
  position: relative;
}
.q-item:last-child {
  margin-bottom: 0;
}

/* Question Section Header & Badges */
.q-section-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.q-range-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  font-size: 0.75rem;
  font-weight: 700;
  color: #334155;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.q-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}
.q-type-badge.tfng, .q-type-badge.ynng {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}
.q-type-badge.mc {
  background: #f5f3ff;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}
.q-type-badge.headings, .q-type-badge.matching {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}
.q-type-badge.summary, .q-type-badge.notes, .q-type-badge.sentence {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}
.q-type-badge.table {
  background: #f0fdfa;
  color: #0f766e;
  border: 1px solid #99f6e4;
}
.q-type-badge.generic {
  background: #f8fafc;
  color: #475569;
  border: 1px solid #cbd5e1;
}

/* Top Question Tags Summary Bar */
.q-tags-summary-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.65rem 0.875rem;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 0.625rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}
.q-tags-label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  margin-right: 0.25rem;
}

/* Notes & Summary Completion Architecture */
.summary-block,
.notes-block {
  background: #f8fafc !important;
  border: 1.5px solid #e2e8f0 !important;
  border-radius: 0.875rem !important;
  padding: 1.35rem 1.6rem !important;
  margin-bottom: 1.5rem !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02) !important;
}

.summary-block h5,
.notes-block h5 {
  font-family: 'Inter', sans-serif !important;
  font-weight: 700 !important;
  font-size: 1.05rem !important;
  color: #0369a1 !important;
  margin: 0 0 1.15rem 0 !important;
  padding-bottom: 0.5rem !important;
  border-bottom: 1px solid #e2e8f0 !important;
  letter-spacing: -0.01em !important;
}

.summary-block p {
  font-size: 1.025rem !important;
  line-height: 2.65 !important;
  color: #334155 !important;
  margin: 0 !important;
  letter-spacing: 0.01em !important;
}

.summary-block span[id^="container-q"],
.notes-block span[id^="container-q"],
p span[id^="container-q"] {
  display: inline-flex !important;
  align-items: center !important;
  vertical-align: middle !important;
  margin: 0 0.35rem !important;
  white-space: nowrap !important;
}

.summary-block input.text-input-word,
.notes-block input.text-input-word,
span[id^="container-q"] input[type="text"] {
  height: 34px !important;
  line-height: 34px !important;
  vertical-align: middle !important;
  padding: 0 0.5rem !important;
  margin: 0 !important;
  font-size: 0.95rem !important;
  font-weight: 600 !important;
  border-radius: 0.375rem !important;
  width: 120px !important;
  min-width: 95px !important;
  max-width: 145px !important;
  text-align: center !important;
  transition: all 0.2s ease !important;
}

/* Dedicated Summary & Block Explanations Deck */
.summary-explanations-deck {
  margin-top: 1.5rem !important;
  padding-top: 1.25rem !important;
  border-top: 2px dashed #cbd5e1 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 1rem !important;
  animation: deckFadeIn 0.3s ease-out !important;
}

@keyframes deckFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.summary-explanations-deck-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0.5rem 0.85rem !important;
  background: #f1f5f9 !important;
  border-radius: 0.5rem !important;
  border: 1px solid #e2e8f0 !important;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  color: #475569 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
}

.summary-block span[id^="container-q"].active-expl-target,
span[id^="container-q"].active-expl-target {
  position: relative !important;
  border-radius: 0.375rem !important;
  outline: 2px solid #0284c7 !important;
  outline-offset: 2px !important;
}
.notes-block h5 {
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  color: #0f172a;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e2e8f0;
}
.notes-block h6 {
  font-family: inherit;
  font-weight: 700;
  font-size: 0.875rem;
  color: #0284c7;
  margin-top: 1.25rem;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.notes-block h6::before {
  content: "•";
  color: #38bdf8;
  font-size: 1.2rem;
  line-height: 1;
}
.notes-block ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin: 0.25rem 0 0.5rem 0;
}
.notes-block ul ul {
  list-style: circle;
  padding-left: 1.5rem;
  margin-top: 0.25rem;
}
.notes-block li {
  margin-bottom: 0.4rem;
  color: #334155;
}

/* Inline Question Blanks & Pills */
.q-num-pill {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 1.5rem !important;
  min-width: 1.5rem !important;
  max-width: 1.5rem !important;
  height: 1.5rem !important;
  flex-shrink: 0 !important;
  padding: 0 !important;
  border-radius: 9999px !important;
  background: #e0f2fe !important;
  color: #0284c7 !important;
  font-size: 0.75rem !important;
  font-weight: 800 !important;
  margin-right: 0.5rem !important;
  vertical-align: middle !important;
  line-height: 1 !important;
  align-self: flex-start !important;
  user-select: none !important;
}

/* Inline text fill-in-the-blank question elements (summary/notes/table completion) */
span[id^="container-q"],
.q-inline-blank {
  display: inline-flex !important;
  align-items: center !important;
  vertical-align: middle !important;
  margin: 0 0.25rem !important;
}

/* Sentence Completion & Notes Cards (Natural Running Text Flow) */
.q-sentence-card,
div.bg-gray-50:has(input[type="text"]),
div[id^="container-q"]:has(input[type="text"]) {
  display: block !important;
  width: 100% !important;
  box-sizing: border-box !important;
  margin-bottom: 1rem !important;
  line-height: 2 !important;
}

/* Question Items & Containers with Choice Options (MCQ, TFNG) — strictly vertical top-to-bottom layout */
div.q-item,
.q-mc-item,
.q-tfng-item,
div.q-item:has(input[type="radio"]) {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  width: 100% !important;
  box-sizing: border-box !important;
  margin-bottom: 1.25rem !important;
}

/* Sentence Completion & Gap Fill Flow - text and inputs must flow as natural inline sentences */
div.q-item:has(input[type="text"]),
div.q-item.q-sentence-card,
div.q-sentence-item {
  display: block !important;
  line-height: 2.5 !important;
  font-size: 0.95rem !important;
}

div.q-item:has(input[type="text"]) > p,
div.q-item.q-sentence-card > p,
div.q-sentence-item > p {
  display: block !important;
  line-height: 2.5 !important;
  margin: 0 !important;
  width: 100% !important;
}

div.q-item:has(input[type="text"]) span[id^="container-q"],
div.q-item:has(input[type="text"]) .inline-block,
div.q-item:has(input[type="text"]) .q-inline-blank,
div.q-item.q-sentence-card span[id^="container-q"],
div.q-item.q-sentence-card .inline-block,
div.q-item.q-sentence-card .q-inline-blank {
  display: inline-flex !important;
  align-items: center !important;
  vertical-align: middle !important;
  margin: 0 0.35rem !important;
}

div.q-item:has(input[type="text"]) .q-num-pill,
div.q-item:has(input[type="text"]) strong:first-child,
div.q-item.q-sentence-card .q-num-pill,
div.q-item.q-sentence-card strong:first-child {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  vertical-align: middle !important;
  margin-right: 0.5rem !important;
}

/* Matching Headings & Features with dropdown on the right side */
div.q-item.justify-between {
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
}

@media (max-width: 640px) {
  div.q-item.justify-between {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.5rem !important;
  }
}

div.q-item > p,
.q-mc-item > p,
.q-tfng-item > p,
.q-item-question-text {
  display: block !important;
  width: 100% !important;
  margin-bottom: 0.75rem !important;
  line-height: 1.6 !important;
}

/* Constraint Warning Pills (e.g. ONE WORD ONLY) */
.constraint-highlight {
  display: inline-block;
  font-weight: 800;
  color: #b45309;
  background: #fef3c7;
  padding: 0.1rem 0.45rem;
  border-radius: 0.25rem;
  border: 1px solid #fde68a;
  letter-spacing: 0.02em;
}

/* 1. True / False / Not Given & Yes / No / Not Given Button Group Layout */
.tfng-btn-group,
.q-item .flex.gap-4,
.q-item .flex.flex-wrap {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  gap: 0.625rem !important;
  width: 100% !important;
  margin-top: 0.5rem !important;
}

.tfng-chip,
.q-item .flex.gap-4 > label,
.q-item .flex.flex-wrap > label {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  padding: 0.5rem 1rem !important;
  border-radius: 0.5rem !important;
  border: 1.5px solid #e2e8f0 !important;
  background: #ffffff !important;
  font-size: 0.8125rem !important;
  font-weight: 700 !important;
  color: #475569 !important;
  cursor: pointer !important;
  user-select: none !important;
  transition: all 0.15s ease-in-out !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03) !important;
}

.tfng-chip:hover,
.q-item .flex.gap-4 > label:hover,
.q-item .flex.flex-wrap > label:hover {
  background: #f8fafc !important;
  border-color: #94a3b8 !important;
  color: #0f172a !important;
  transform: translateY(-1px) !important;
}

.tfng-chip input[type="radio"],
.q-item .flex.gap-4 > label input[type="radio"],
.q-item .flex.flex-wrap > label input[type="radio"] {
  accent-color: #2563eb !important;
  cursor: pointer !important;
}

.tfng-chip.selected,
.q-item .flex.gap-4 > label.selected,
.q-item .flex.flex-wrap > label.selected,
.q-item .flex.gap-4 > label:has(input:checked),
.q-item .flex.flex-wrap > label:has(input:checked) {
  background: #eff6ff !important;
  border-color: #2563eb !important;
  color: #1d4ed8 !important;
  box-shadow: 0 0 0 1px #2563eb, 0 2px 4px rgba(37, 99, 235, 0.08) !important;
}

/* 2. Multiple Choice Cards & Full-Width Vertical Stacking */
.mc-card-list,
.custom-radio-group,
.q-item .flex-col,
.q-item .space-y-2,
.q-item .space-y-1\.5 {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.5rem !important;
  width: 100% !important;
  margin-top: 0.35rem !important;
}

.mc-option-card,
.custom-radio-label,
.mcq-label {
  display: flex !important;
  align-items: flex-start !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  gap: 0.75rem !important;
  padding: 0.75rem 1rem !important;
  border-radius: 0.625rem !important;
  border: 1.5px solid #e2e8f0 !important;
  background-color: #ffffff !important;
  color: #1e293b !important;
  font-size: 0.9375rem !important;
  line-height: 1.5 !important;
  cursor: pointer !important;
  transition: all 0.15s ease-in-out !important;
  user-select: none !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03) !important;
}

.mc-option-card:hover,
.custom-radio-label:hover,
.mcq-label:hover {
  background-color: #f8fafc !important;
  border-color: #94a3b8 !important;
  transform: translateY(-1px) !important;
}

.mc-option-card.selected,
.custom-radio-label.selected,
.mcq-label.selected,
.mc-option-card:has(input:checked),
.custom-radio-label:has(input:checked),
.mcq-label:has(input:checked) {
  border-color: #2563eb !important;
  background-color: #eff6ff !important;
  box-shadow: 0 0 0 1px #2563eb, 0 2px 4px rgba(37, 99, 235, 0.08) !important;
}

/* Post-submission Multiple Choice States */
.custom-radio-label.radio-correct,
.mcq-label.radio-correct,
.mc-option-card.correct-answer,
.mc-option-card.radio-correct {
  border-color: #059669 !important;
  background-color: #ecfdf5 !important;
  color: #064e3b !important;
  font-weight: 600 !important;
}

.custom-radio-label.radio-incorrect,
.mcq-label.radio-incorrect,
.mc-option-card.incorrect-answer,
.mc-option-card.radio-incorrect {
  border-color: #dc2626 !important;
  background-color: #fef2f2 !important;
  color: #7f1d1d !important;
}
.mc-option-card input[type="radio"],
.mc-option-card input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: #2563eb;
  cursor: pointer;
}
.mc-letter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: #f1f5f9;
  color: #334155;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  transition: all 0.15s;
}
.mc-option-card:hover .mc-letter-badge {
  background: #e2e8f0;
  color: #0f172a;
}
.mc-option-card.selected {
  background: #eff6ff;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}
.mc-option-card.selected .mc-letter-badge {
  background: #2563eb;
  color: #ffffff;
}

/* Instruction Line Formatting (Line-by-line readability) */
.instruction-line {
  display: block;
  margin-bottom: 0.35rem;
  line-height: 1.6;
}
.instruction-line:last-child {
  margin-bottom: 0;
}

/* 2b. Pick from a List Clickable Option Cards */
.pick-list-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.pick-option-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.625rem;
  border: 1.5px solid #e2e8f0;
  background: #ffffff;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  position: relative;
  user-select: none;
}
.pick-option-card:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  transform: translateY(-1px);
}
.pick-letter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: #f1f5f9;
  color: #334155;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  transition: all 0.15s;
}
.pick-option-card:hover .pick-letter-badge {
  background: #e2e8f0;
  color: #0f172a;
}
.pick-option-text {
  font-size: 0.9375rem;
  color: #1e293b;
  line-height: 1.5;
  flex-grow: 1;
}
.pick-option-card.selected {
  background: #eff6ff;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}
.pick-option-card.selected .pick-letter-badge {
  background: #2563eb;
  color: #ffffff;
}
.pick-option-card.correct-answer {
  border-color: #10b981 !important;
  background-color: #f0fdf4 !important;
  color: #065f46 !important;
}
.pick-option-card.correct-answer .pick-letter-badge {
  background: #10b981 !important;
  color: #ffffff !important;
}
.pick-option-card.incorrect-answer {
  border-color: #f43f5e !important;
  background-color: #fff1f2 !important;
  color: #9f1239 !important;
}
.pick-option-card.incorrect-answer .pick-letter-badge {
  background: #f43f5e !important;
  color: #ffffff !important;
}
.pick-option-card.missed-answer {
  border-color: #10b981 !important;
  border-style: dashed !important;
  background-color: #f0fdf4 !important;
}

/* Choice summary indicator */
.pick-choices-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
}
.pick-choice-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
}
.pick-choice-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 1.85rem;
  padding: 0 0.5rem;
  border-radius: 0.375rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
  font-weight: 700;
  font-size: 0.875rem;
}

/* 3. Matching Headings Box */
.heading-bank-card {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.heading-bank-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.heading-item-row {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  padding: 0.35rem 0;
  font-size: 0.875rem;
  color: #334155;
  line-height: 1.5;
  border-bottom: 1px dashed #f1f5f9;
}
.heading-roman-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6rem;
  height: 1.35rem;
  padding: 0 0.35rem;
  border-radius: 0.3rem;
  background: #e2e8f0;
  color: #1e293b;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  font-family: 'Inter', serif;
}

/* 4. Academic Tables (Table Completion) */
.academic-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1.5px solid #e2e8f0;
  border-radius: 0.75rem;
  background: #ffffff;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}
.academic-reading-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}
.academic-reading-table th {
  background: #f8fafc;
  color: #1e293b;
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-bottom: 1.5px solid #cbd5e1;
  border-right: 1px solid #e2e8f0;
}
.academic-reading-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e2e8f0;
  border-right: 1px solid #e2e8f0;
  color: #334155;
  vertical-align: middle;
}
.academic-reading-table tr:last-child td {
  border-bottom: none;
}
.academic-reading-table th:last-child,
.academic-reading-table td:last-child {
  border-right: none;
}
.academic-reading-table tr:hover td {
  background: #fdfdfd;
}

/* 5. Summary / Notes Word Bank Box */
.word-bank-card {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.word-bank-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  margin-bottom: 0.625rem;
}
.word-bank-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.5rem;
}
.word-bank-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  border-radius: 0.375rem;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #1e293b;
}
.word-bank-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0.25rem;
  background: #e0f2fe;
  color: #0284c7;
  font-size: 0.7rem;
  font-weight: 800;
}

/* Input Fields (Text inputs, Selects) */
.text-input {
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 0.45rem 0.75rem;
  border: 1.5px solid #cbd5e1;
  border-radius: 0.45rem;
  background-color: #ffffff;
  color: #0f172a;
  transition: all 0.15s ease-in-out;
  outline: none;
}
.text-input:focus {
  border-color: #2563eb;
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.text-input-word {
  width: 8.5rem;
  min-width: 110px;
  max-width: 150px;
  height: 32px;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  text-align: center;
}

select.text-input {
  cursor: pointer;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.75' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.2em 1.2em;
  appearance: none;
  -webkit-appearance: none;
}

/* Visual Feedback States */
.text-input.correct-answer,
input.correct-answer {
  border-color: #059669 !important;
  background-color: #f0fdf4 !important;
  color: #065f46 !important;
  font-weight: 600;
}

.text-input.incorrect-answer,
input.incorrect-answer {
  border-color: #e11d48 !important;
  background-color: #fff1f2 !important;
  color: #9f1239 !important;
  font-weight: 600;
}

.radio-correct {
  background-color: #f0fdf4 !important;
  border-color: #10b981 !important;
  color: #065f46 !important;
  font-weight: 600;
}

.radio-incorrect {
  background-color: #fff1f2 !important;
  border-color: #f43f5e !important;
  color: #9f1239 !important;
}

/* Explanation Cards */
.explanation-card {
  margin-top: 0.75rem;
  padding: 0.875rem 1rem;
  background: #f8fafc;
  border-left: 4px solid #3b82f6;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: #1e3a8a;
  line-height: 1.6;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  animation: fadeInExpl 0.3s ease-out forwards;
}

@keyframes fadeInExpl {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.badge-result {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.375rem;
}
.badge-result.correct {
  background: #059669;
  color: #ffffff;
}
.badge-result.incorrect {
  background: #e11d48;
  color: #ffffff;
}

/* Vocabulary Highlighting & Modal */
.vocab-term {
  color: #2563eb;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 1.5px dotted #60a5fa;
  padding: 0 2px;
  transition: all 0.15s;
}
.vocab-term:hover {
  background: #dbeafe;
  border-radius: 2px;
}

.reading-highlight {
  background-color: #fef08a !important;
  color: inherit;
  border-radius: 2px;
}

/* Test Selector Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
}
.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1 1 auto;
}

/* Toast Alerts */
.practice-toast {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  background: #ffffff;
  border: 1px solid #fcd34d;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  max-width: 380px;
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: slideToast 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideToast {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Instruction Line Formatting */
.instruction-line {
  display: block;
  margin-bottom: 0.35rem;
  line-height: 1.6;
}
.instruction-line:last-child {
  margin-bottom: 0;
}

/* Interactive Pick from a List */
.pick-list-container {
  margin-bottom: 1.25rem;
}
.pick-list-grid {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.pick-option-card {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.75rem 1rem;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 0.625rem;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease-in-out;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
.pick-option-card:hover {
  border-color: #94a3b8;
  background: #f8fafc;
  transform: translateY(-1px);
}
.pick-option-card:active {
  transform: translateY(0);
}
.pick-option-card.selected {
  border-color: #2563eb;
  background: #eff6ff;
  box-shadow: 0 0 0 1px #2563eb, 0 2px 4px rgba(37, 99, 235, 0.08);
}
.pick-letter-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 9999px;
  background: #f1f5f9;
  color: #334155;
  font-weight: 700;
  font-size: 0.875rem;
  transition: all 0.15s ease-in-out;
}
.pick-option-card:hover .pick-letter-badge {
  background: #e2e8f0;
  color: #0f172a;
}
.pick-option-card.selected .pick-letter-badge {
  background: #2563eb;
  color: #ffffff;
}
.pick-option-text {
  flex: 1 1 auto;
  font-size: 0.9375rem;
  color: #1e293b;
  line-height: 1.5;
  padding-top: 0.1rem;
}
.pick-option-card.selected .pick-option-text {
  color: #1e3a8a;
  font-weight: 500;
}

/* Post-submission card states */
.pick-option-card.correct-answer {
  border-color: #059669 !important;
  background: #ecfdf5 !important;
  box-shadow: 0 0 0 1px #059669, 0 2px 4px rgba(5, 150, 105, 0.1) !important;
}
.pick-option-card.correct-answer .pick-letter-badge {
  background: #059669 !important;
  color: #ffffff !important;
}
.pick-option-card.correct-answer .pick-option-text {
  color: #064e3b !important;
  font-weight: 600 !important;
}

.pick-option-card.incorrect-answer {
  border-color: #dc2626 !important;
  background: #fef2f2 !important;
  box-shadow: 0 0 0 1px #dc2626, 0 2px 4px rgba(220, 38, 38, 0.1) !important;
}
.pick-option-card.incorrect-answer .pick-letter-badge {
  background: #dc2626 !important;
  color: #ffffff !important;
}
.pick-option-card.incorrect-answer .pick-option-text {
  color: #7f1d1d !important;
}

.pick-option-card.missed-answer {
  border: 1.5px dashed #059669 !important;
  background: #f0fdf4 !important;
  box-shadow: 0 2px 4px rgba(5, 150, 105, 0.06) !important;
}
.pick-option-card.missed-answer .pick-letter-badge {
  background: #a7f3d0 !important;
  color: #065f46 !important;
  border: 1px solid #059669;
}
.pick-option-card.missed-answer .pick-option-text {
  color: #065f46 !important;
  font-style: italic;
}
.pick-option-card.missed-answer::after {
  content: '✓ (Correct option)';
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 600;
  color: #059669;
  background: #d1fae5;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  align-self: center;
}

/* Pick from list choices row */
.pick-choices-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  align-items: center;
}
.pick-choice-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.pick-choice-item .text-input {
  font-weight: 600;
  color: #1e293b;
}

/* Universal Question Instruction Box */
.q-instruction-box {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.625rem;
  padding: 0.875rem 1.125rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  color: #334155;
  line-height: 1.6;
}
.q-instruction-box .instruction-line {
  display: block;
  margin-bottom: 0.35rem;
}
.q-instruction-box .instruction-line:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   4-Pillar Pedagogical Explanation System & Passage Evidence Highlighting
   Linear-Clean Academic UI • Inspired by Benchmark Analysis
   ========================================================================== */

/* Explanation Container Card */
.explanation-card {
  margin-top: 0.875rem;
  padding: 1rem 1.125rem;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px -2px rgba(15, 23, 42, 0.06);
  font-size: 0.875rem;
  line-height: 1.6;
  color: #334155;
  animation: explFadeIn 0.25s ease-out;
}

@keyframes explFadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header & Status Badges */
.expl-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid #f1f5f9;
}

.badge-result {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge-result.correct {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.badge-result.incorrect {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* 4-Pillar Grid / Stack */
.expl-pillars {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.pillar-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background-color: #f8fafc;
  padding: 0.625rem 0.875rem;
  border-radius: 0.5rem;
  border: 1px solid #f1f5f9;
}

.pillar-row.pillar-evidence-row {
  background-color: #fefce8;
  border-color: #fef08a;
}

.pillar-tag-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.125rem;
}

.pillar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pillar-badge.badge-answer {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.pillar-badge.badge-tip {
  background-color: #eef2ff;
  color: #3730a3;
  border: 1px solid #c7d2fe;
}

.pillar-badge.badge-evidence {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.pillar-badge.badge-rationale {
  background-color: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
}

.pillar-content {
  font-size: 0.875rem;
  color: #1e293b;
  line-height: 1.55;
}

.pillar-content strong,
.pillar-content b {
  color: #0f172a;
  font-weight: 700;
}

/* Interactive Jump to Passage Evidence Button */
.btn-jump-evidence {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background-color: #ffffff;
  color: #b45309;
  border: 1px solid #fde68a;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease-in-out;
  box-shadow: 0 1px 2px rgba(217, 119, 6, 0.06);
}

.btn-jump-evidence:hover {
  background-color: #fef3c7;
  color: #78350f;
  border-color: #f59e0b;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(217, 119, 6, 0.15);
}

.btn-jump-evidence:active {
  transform: translateY(0);
}

.btn-jump-evidence.active {
  background-color: #d97706;
  color: #ffffff;
  border-color: #b45309;
  box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.2);
}

/* Passage Pane Highlight Styles */
mark.emh-evidence-highlight {
  background-color: #fef08a;
  color: #0f172a;
  padding: 0.12rem 0.35rem;
  border-radius: 0.25rem;
  border-bottom: 2px solid #eab308;
  font-weight: 500;
  transition: all 0.3s ease;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

mark.emh-evidence-highlight.active-evidence {
  background-color: #fde047;
  border-bottom-color: #ca8a04;
  box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.4);
  animation: emhEvidenceGlow 1.8s ease-in-out infinite;
}

@keyframes emhEvidenceGlow {
  0%, 100% {
    background-color: #fde047;
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.4);
  }
  50% {
    background-color: #fef08a;
    box-shadow: 0 0 0 6px rgba(234, 179, 8, 0.18);
  }
}



/* Hide original raw matching items, sentence endings, mcq & tfng when converted to CD-IELTS interactive widgets */
.cd-ielts-raw-item-hidden,
div.q-item.cd-ielts-raw-item-hidden,
.q-matching-item.cd-ielts-raw-item-hidden,
[id^="container-q"].cd-ielts-raw-item-hidden,
.cd-ielts-endings-hidden,
div.q-item.cd-ielts-endings-hidden,
.q-matching-item.cd-ielts-endings-hidden,
[id^="container-q"].cd-ielts-endings-hidden,
.cd-ielts-mcq-raw-hidden,
div.q-item.cd-ielts-mcq-raw-hidden,
label.cd-ielts-mcq-raw-hidden,
.cd-ielts-tfng-raw-hidden,
div.q-item.cd-ielts-tfng-raw-hidden,
label.cd-ielts-tfng-raw-hidden,
label.tfng-chip.cd-ielts-tfng-raw-hidden,
.cd-ielts-bank-hidden,
div.cd-ielts-bank-hidden,
table.cd-ielts-bank-hidden,
.overflow-x-auto.cd-ielts-bank-hidden {
  display: none !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
  visibility: hidden !important;
  pointer-events: none !important;
}


/* ==========================================================================
   Comprehensive Mobile Responsiveness Hardening (<= 768px & <= 640px)
   ========================================================================== */
@media (max-width: 768px) {
  #questions-section,
  .questions-container,
  .questions-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    box-sizing: border-box !important;
  }

  .q-section-card,
  .question-section-card,
  div[id^="section-"] {
    padding: 0.85rem 0.75rem !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    border-radius: 0.75rem !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .summary-block,
  .notes-block {
    padding: 0.75rem 0.75rem !important;
    border-radius: 0.625rem !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .summary-block p,
  .notes-block p,
  .notes-block ul li,
  .q-item p:has(input[type="text"]) {
    line-height: 2.2 !important;
    font-size: 0.9375rem !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
  }

  span[id^="container-q"],
  .q-inline-blank,
  .inline-block:has(input[type="text"]) {
    display: inline-flex !important;
    align-items: center !important;
    vertical-align: middle !important;
    margin: 0.15rem 0.2rem !important;
    white-space: normal !important;
    max-width: 100% !important;
  }

  .text-input-word,
  .summary-block input[type="text"],
  .notes-block input[type="text"],
  .ielts-table input[type="text"] {
    width: 95px !important;
    min-width: 80px !important;
    max-width: 115px !important;
    font-size: 0.8125rem !important;
    height: 30px !important;
    padding: 0 0.35rem !important;
  }

  .ielts-table,
  .academic-reading-table {
    display: table !important;
    width: 100% !important;
    min-width: 300px !important;
    table-layout: auto !important;
  }

  .ielts-table th,
  .ielts-table td,
  .academic-reading-table th,
  .academic-reading-table td {
    padding: 0.45rem 0.5rem !important;
    font-size: 0.8125rem !important;
    word-break: break-word !important;
  }

  .tfng-btn-group,
  .q-item .flex.gap-4,
  .q-item .flex.flex-wrap {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 0.35rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .tfng-chip,
  .q-item .flex.gap-4 > label,
  .q-item .flex.flex-wrap > label {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0.4rem 0.2rem !important;
    font-size: 0.72rem !important;
    min-width: 0 !important;
    width: 100% !important;
    text-align: center !important;
    box-sizing: border-box !important;
  }

  .mc-label,
  .choose2-label,
  .tfng-label,
  .mc-option-card {
    padding: 0.55rem 0.75rem !important;
    font-size: 0.85rem !important;
    line-height: 1.45 !important;
  }

  .q-instruction-box {
    padding: 0.65rem 0.75rem !important;
    font-size: 0.8125rem !important;
    margin-bottom: 0.85rem !important;
  }
}