/* MMM Study — English Subject Architecture Styles */
@import "../design_system.css";

:root {
  --subject-accent: var(--subj-english, #D97706);
  --subj-english-gold: #C59B27;
  --subj-english-navy: #0B1E36;
}

/* ==========================================================================
   DESKTOP CONTAINER LAYOUT & ALIGNMENT
   ========================================================================== */
main {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

/* Progressive Curriculum Navigation Bar */
.curriculum-nav-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
  padding: 12px 18px;
  background: var(--surface-card, #FFFFFF);
  border: 1px solid var(--border-color, #E2E8F0);
  border-radius: var(--radius-md, 12px);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(11, 30, 54, 0.05));
  width: 100%;
  box-sizing: border-box;
}

.curriculum-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill, 9999px);
  background: var(--brand-navy-900, #0B1E36);
  color: #FFFFFF;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--brand-gold-border, rgba(197, 155, 39, 0.3));
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: inherit;
  min-height: 38px;
}

.curriculum-back-btn:hover {
  background: var(--brand-gold, #C59B27);
  color: var(--brand-navy-950, #071324);
  transform: translateX(-2px);
  box-shadow: 0 4px 12px rgba(197, 155, 39, 0.3);
}

.curriculum-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-secondary, #64748B);
  flex-wrap: wrap;
}

.curriculum-breadcrumbs a,
.breadcrumb-link {
  color: var(--brand-navy-800, #143058);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s ease;
}

.curriculum-breadcrumbs a:hover,
.breadcrumb-link:hover {
  color: var(--brand-gold, #C59B27);
  text-decoration: underline;
}

.curriculum-breadcrumbs .crumb-sep {
  color: var(--text-tertiary, #94A3B8);
  font-size: 12px;
}

.curriculum-breadcrumbs .crumb-current {
  color: var(--brand-gold, #B45309);
  font-weight: 700;
}

/* ==========================================================================
   SEARCH BAR
   ========================================================================== */
.english-search-bar {
  margin: 16px 0 24px 0;
  width: 100%;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 580px;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: #94A3B8;
  pointer-events: none;
}

#english-search-input {
  width: 100%;
  padding: 11px 40px 11px 42px;
  font-size: 14.5px;
  font-family: inherit;
  border: 1.5px solid #E2E8F0;
  border-radius: 9999px;
  background: #FFFFFF;
  color: #0F172A;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
  outline: none;
}

#english-search-input:focus {
  border-color: #D97706;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

#english-search-clear {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  font-size: 20px;
  color: #94A3B8;
  cursor: pointer;
  padding: 4px 8px;
}

#english-search-clear:hover {
  color: #334155;
}

/* ==========================================================================
   10-CATEGORY GRID (SCREEN 1 - Compact & Beautiful MMM Study Theme)
   ========================================================================== */
.english-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.english-cat-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--surface-card, #FFFFFF);
  border: 1px solid var(--border-color, #E2E8F0);
  border-radius: var(--radius-lg, 14px);
  padding: 14px 16px;
  min-height: 110px;
  box-shadow: 0 1px 3px rgba(11, 30, 54, 0.04);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
}

.english-cat-card::before {
  display: none !important;
}

.english-cat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(197, 155, 39, 0.16);
  border-color: var(--subj-english-gold, #C59B27);
}

.english-cat-card:focus-visible {
  outline: none;
  border-color: var(--brand-gold, #C59B27);
  box-shadow: 0 0 0 3px rgba(197, 155, 39, 0.25);
}

.english-cat-card .cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
}

.english-cat-card .qtype-label-group {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.english-cat-card .cat-icon-badge {
  font-size: 18px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, rgba(197, 155, 39, 0.12) 0%, rgba(11, 30, 54, 0.04) 100%);
  border: 1px solid rgba(197, 155, 39, 0.22);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(11, 30, 54, 0.03);
  flex-shrink: 0;
}

.english-cat-card .cat-scope-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 9999px;
  background: rgba(11, 30, 54, 0.05);
  color: var(--brand-navy-900, #0B1E36);
  border: 1px solid rgba(11, 30, 54, 0.1);
  letter-spacing: 0.2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.english-cat-card .cat-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-navy-950, #071324);
  margin: 0;
  line-height: 1.3;
  letter-spacing: -0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.english-cat-card .cat-footer {
  display: none !important;
}

.english-cat-card .cat-select-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 7px 12px;
  border-radius: 8px;
  background: #F8FAFC;
  color: var(--brand-navy-900, #0B1E36);
  border: 1px solid #E2E8F0;
  transition: all 0.18s ease;
  box-sizing: border-box;
}

.english-cat-card .cat-action-text {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-navy-900, #0B1E36);
  transition: color 0.18s ease;
}

.english-cat-card .cat-btn-arrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-navy-700, #143058);
  transition: transform 0.18s ease, color 0.18s ease;
}

.english-cat-card:hover .cat-select-btn {
  background: var(--brand-navy-900, #0B1E36);
  border-color: var(--brand-navy-900, #0B1E36);
  box-shadow: 0 3px 8px rgba(11, 30, 54, 0.16);
}

.english-cat-card:hover .cat-action-text {
  color: #FFFFFF;
}

.english-cat-card:hover .cat-btn-arrow {
  color: var(--brand-gold, #C59B27);
  transform: translateX(3px);
}

/* ==========================================================================
   UNIT GRID (12 GRADE 12 UNITS)
   ========================================================================== */
.english-units-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 18px;
  margin-top: 14px;
}

.english-unit-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.english-unit-card:hover {
  transform: translateY(-2px);
  border-color: #D97706;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.unit-tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #B45309;
  background: #FEF3C7;
  padding: 3px 9px;
  border-radius: 6px;
  width: fit-content;
  margin-bottom: 8px;
}

.unit-title {
  font-size: 16px;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px 0;
}

.unit-meta {
  font-size: 13px;
  color: #64748B;
  margin-bottom: 16px;
}

.unit-actions {
  display: flex;
  gap: 8px;
}

.btn-start-unit {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  background: #0B1E36;
  color: #FFFFFF;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.18s ease;
  min-height: 40px;
}

.btn-start-unit:hover {
  background: #C59B27;
  color: #0B1E36;
}

/* ==========================================================================
   GRAMMAR SPECIAL AREA (NOTES VS PRACTICE)
   ========================================================================== */
.grammar-header-panel {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 22px;
}

.grammar-toggle-bar {
  display: inline-flex;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 9999px;
  padding: 4px;
  gap: 4px;
  margin-top: 14px;
}

.grammar-toggle-btn {
  padding: 7px 18px;
  border-radius: 9999px;
  border: none;
  background: none;
  font-size: 13.5px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  transition: all 0.16s ease;
  font-family: inherit;
}

.grammar-toggle-btn.active {
  background: #D97706;
  color: #FFFFFF;
  box-shadow: 0 2px 4px rgba(217, 119, 6, 0.3);
}

.grammar-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.grammar-topic-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.18s ease;
}

.grammar-topic-card:hover {
  border-color: #D97706;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.grammar-topic-idx {
  font-size: 11.5px;
  font-weight: 700;
  color: #64748B;
  margin-bottom: 4px;
}

.grammar-topic-name {
  font-size: 15px;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 12px 0;
}

.grammar-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  background: #EFF6FF;
  color: #1D4ED8;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.grammar-action-btn:hover {
  background: #1D4ED8;
  color: #FFFFFF;
}

/* ==========================================================================
   POEMS, PASSAGES, DIALOGUES, ESSAYS & LETTERS CARDS
   ========================================================================== */
.content-stimulus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 18px;
  margin-top: 14px;
}

.content-stimulus-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  transition: all 0.2s ease;
}

.content-stimulus-card:hover {
  border-color: #D97706;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.stimulus-meta-badge {
  font-size: 11.5px;
  font-weight: 700;
  color: #047857;
  background: #D1FAE5;
  padding: 3px 8px;
  border-radius: 6px;
  width: fit-content;
  margin-bottom: 8px;
}

.stimulus-title {
  font-size: 16px;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px 0;
}

.stimulus-author {
  font-size: 12.5px;
  color: #64748B;
  font-style: italic;
  margin-bottom: 12px;
}

.stimulus-snippet {
  font-size: 13.5px;
  color: #475569;
  line-height: 1.5;
  margin: 0 0 16px 0;
  font-style: italic;
  background: #F8FAFC;
  padding: 10px 12px;
  border-radius: 8px;
  border-left: 3px solid #CBD5E1;
}

/* ==========================================================================
   LEVEL 1 & LEVEL 2 PROGRESSIVE NAVIGATION HIERARCHY
   Mode Selection Cards (Notes vs Practice)
   ========================================================================== */
.subject-mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 18px;
  margin-bottom: 32px;
  width: 100%;
  box-sizing: border-box;
}

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px 24px;
  background: var(--surface-card, #FFFFFF);
  border: 2px solid var(--border-color, #E2E8F0);
  border-radius: var(--radius-lg, 16px);
  text-decoration: none;
  color: inherit;
  transition: all 0.22s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(11, 30, 54, 0.05));
  box-sizing: border-box;
}

.mode-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.mode-card.mode-notes::before {
  background: var(--brand-gold, #C59B27);
}

.mode-card.mode-practice::before {
  background: var(--subj-english, #D97706);
}

.mode-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(11, 30, 54, 0.1);
}

.mode-card.mode-notes:hover {
  border-color: var(--brand-gold, #C59B27);
}

.mode-card.mode-practice:hover {
  border-color: var(--subj-english, #D97706);
}

.mode-card:hover::before {
  opacity: 1;
}

.mode-badge-wrap {
  margin-bottom: 14px;
}

.mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: #78350F;
  background: var(--brand-gold-soft, #FEF3C7);
  padding: 4px 12px;
  border-radius: var(--radius-pill, 9999px);
  border: 1px solid var(--brand-gold-border, rgba(197, 155, 39, 0.3));
}

.mode-card.mode-practice .mode-badge {
  color: #9A3412;
  background: #FFEDD5;
  border-color: #FED7AA;
}

.mode-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 16px;
  border: 1px solid #E2E8F0;
}

.mode-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-navy-900, #0B1E36);
  margin: 0 0 4px 0;
}

.mode-title-burmese {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--brand-gold, #B45309);
  margin: 0 0 10px 0;
  font-family: 'Noto Sans Myanmar', 'Pyidaungsu', sans-serif;
}

.mode-desc {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-secondary, #64748B);
  margin: 0 0 20px 0;
  flex: 1;
}

.mode-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  background: var(--brand-navy-900, #0B1E36);
  color: #FFFFFF;
  border: 1px solid var(--brand-gold-border, rgba(197, 155, 39, 0.3));
  border-radius: var(--radius-md, 10px);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  min-height: 44px;
  box-sizing: border-box;
}

.mode-card:hover .mode-action-btn {
  background: var(--brand-gold, #C59B27);
  color: var(--brand-navy-950, #071324);
}

/* ==========================================================================
   ENGLISH NOTES VIEW & SPECIALIZED REFERENCE GUIDES
   ========================================================================== */
.english-notes-sections {
  width: 100%;
  margin-top: 16px;
}

.notes-section {
  margin-bottom: 32px;
}

.section-title-wrap {
  margin-bottom: 16px;
}

.section-badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--subj-english, #D97706);
  background: #FEF3C7;
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 6px;
}

.notes-section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--brand-navy-900, #0B1E36);
  margin: 0;
}

.english-notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
  width: 100%;
}

.english-note-card {
  padding: 24px;
  background: var(--surface-card, #FFFFFF);
  border: 1px solid var(--border-color, #E2E8F0);
  border-radius: var(--radius-md, 12px);
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(11, 30, 54, 0.04));
  box-sizing: border-box;
}

.english-note-card:hover {
  transform: translateY(-2px);
  border-color: var(--brand-gold, #C59B27);
  box-shadow: 0 8px 20px rgba(197, 155, 39, 0.12);
}

.english-note-card .note-icon-box {
  margin-bottom: 12px;
}

.english-note-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand-navy-900, #0B1E36);
  margin: 0 0 8px 0;
}

.english-note-card p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary, #64748B);
  margin: 0 0 18px 0;
  flex: 1;
}

.note-action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  background: #F1F5F9;
  color: var(--brand-navy-900, #0B1E36);
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm, 8px);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.15s ease;
  min-height: 44px;
  box-sizing: border-box;
}

.english-note-card:hover .note-action-link {
  background: var(--brand-navy-900, #0B1E36);
  color: #FFFFFF;
  border-color: var(--brand-navy-900, #0B1E36);
}

/* ==========================================================================
   DEDICATED SELF-STUDY & CONTENT SCREENS
   ========================================================================== */

/* Answer the Questions (Comprehension Self-Study) */
.atq-study-screen {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.atq-header-box {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 20px 22px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.atq-unit-badge {
  font-size: 11.5px;
  font-weight: 700;
  color: #92400E;
  background: #FEF3C7;
  padding: 3px 10px;
  border-radius: 9999px;
  display: inline-block;
  margin-bottom: 8px;
}

.atq-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px 0;
  line-height: 1.35;
}

.atq-subtitle {
  font-size: 0.9rem;
  color: #64748B;
  margin: 0;
  line-height: 1.5;
}

.atq-questions-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.atq-question-item {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 20px 22px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  transition: border-color 0.18s ease;
}

.atq-question-item:hover {
  border-color: #CBD5E1;
}

.atq-q-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.atq-q-num {
  font-size: 12px;
  font-weight: 800;
  color: #0B1E36;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.atq-q-marks {
  font-size: 11px;
  font-weight: 700;
  background: #EEF2F6;
  color: #334155;
  padding: 2px 8px;
  border-radius: 9999px;
}

.atq-q-prompt {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1E293B;
  line-height: 1.55;
  margin-bottom: 14px;
}

.atq-toggle-row {
  display: flex;
  align-items: center;
}

.atq-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 8px;
  background: #F8FAFC;
  border: 1px solid #CBD5E1;
  color: #0B1E36;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.atq-toggle-btn:hover {
  background: #0B1E36;
  color: #FFFFFF;
  border-color: #0B1E36;
}

.atq-model-panel {
  margin-top: 14px;
  padding: 14px 18px;
  background: #F8FAFC;
  border-left: 3px solid #C59B27;
  border-radius: 0 8px 8px 0;
  animation: fadeIn 0.2s ease;
}

.atq-model-answer-title {
  font-size: 12px;
  font-weight: 700;
  color: #92400E;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}

.atq-model-answer-text {
  font-size: 0.95rem;
  color: #0F172A;
  line-height: 1.65;
  margin-bottom: 10px;
}

.atq-marking-rubric {
  font-size: 12px;
  color: #64748B;
  background: #FFFFFF;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid #E2E8F0;
  line-height: 1.45;
}

/* Poem Study Screen */
.poem-study-screen,
.passage-study-screen,
.dialogue-study-screen,
.worksheet-study-screen {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 26px 28px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.poem-header-box,
.passage-header-box,
.dialogue-header-box,
.worksheet-header-box {
  border-bottom: 1px solid #F1F5F9;
  padding-bottom: 18px;
  margin-bottom: 20px;
}

.poem-view-title,
.passage-view-title,
.dialogue-view-title,
.worksheet-view-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0F172A;
  margin: 8px 0 6px 0;
}

.poem-view-author {
  font-size: 0.95rem;
  color: #64748B;
  font-style: italic;
  margin-bottom: 6px;
}

.poem-view-theme {
  font-size: 0.88rem;
  color: #8C6D13;
  background: #FEF3C7;
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-top: 4px;
}

.poem-stanzas-box {
  background: #FDFDFD;
  border: 1px solid #F1F5F9;
  border-radius: 10px;
  padding: 22px 24px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #1E293B;
  margin-bottom: 20px;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
}

.poem-notes-box,
.worksheet-rubric-box,
.worksheet-prompt-box {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #334155;
  margin-bottom: 18px;
}

.passage-content-box,
.dialogue-content-box,
.worksheet-content-box {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  padding: 22px 24px;
  font-size: 0.96rem;
  line-height: 1.75;
  color: #1E293B;
  margin-bottom: 20px;
}

.dialogue-turns {
  font-family: inherit;
  line-height: 1.8;
}

.worksheet-model-text {
  font-size: 0.96rem;
  line-height: 1.8;
  color: #0F172A;
}

/* ==========================================================================
   MOBILE RESPONSIVENESS & BREAKPOINTS (375px, 430px, 768px)
   ========================================================================== */
@media (max-width: 768px) {
  .subject-mode-grid,
  .english-notes-grid,
  .english-categories-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .english-units-grid,
  .grammar-topics-grid,
  .content-stimulus-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .grammar-toggle-bar {
    width: 100%;
    display: flex;
  }

  .grammar-toggle-btn {
    flex: 1;
    text-align: center;
    padding: 8px 10px;
    font-size: 13px;
  }

  .search-input-wrap {
    max-width: 100%;
  }
}

@media (max-width: 430px) {
  .mode-card,
  .english-note-card,
  .english-cat-card {
    padding: 18px 16px;
  }

  .cat-icon-badge {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .cat-title-block h3 {
    font-size: 15.5px;
  }

  .btn-start-unit,
  .mode-action-btn,
  .note-action-link {
    min-height: 44px;
    font-size: 13.5px;
  }
}

@media (max-width: 375px) {
  .curriculum-nav-bar {
    padding: 10px 12px;
  }

  .curriculum-back-btn {
    width: 100%;
    justify-content: center;
    min-height: 44px;
  }

  .mode-card,
  .english-note-card {
    padding: 16px 14px;
  }

  .mode-title {
    font-size: 1.15rem;
  }

  .cat-header {
    flex-wrap: wrap;
    gap: 8px;
  }
}


/* ========================================================================= */
/* Phase 3.4 English Unified Academic UI Benchmark Rules                     */
/* ========================================================================= */

:root {
  --subj-eng-accent: #2563EB;
  --subj-eng-light: #EFF6FF;
  --subj-eng-border: #BFDBFE;
  --subj-eng-dark: #1E40AF;
  --subj-eng-hover: #1D4ED8;
  --subj-eng-text-primary: #0F172A;
  --subj-eng-text-secondary: #475569;
  --subj-eng-surface: #FFFFFF;
  --subj-eng-surface-subtle: #F8FAFC;
  --subj-eng-card-border: #E2E8F0;
  --subj-eng-radius-sm: 6px;
  --subj-eng-radius-md: 8px;
  --subj-eng-radius-lg: 12px;
  --subj-eng-shadow-sm: 0 1px 3px rgba(11, 30, 54, 0.05);
  --subj-eng-shadow-md: 0 4px 12px rgba(11, 30, 54, 0.08);
}

/* 10 English Categories Grid */
.english-categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 18px;
}

@media (max-width: 768px) {
  .english-categories-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.english-cat-card {
  position: relative;
  background: var(--subj-eng-surface, #FFFFFF);
  border: 1px solid var(--subj-eng-card-border, #E2E8F0);
  border-radius: var(--subj-eng-radius-lg, 12px);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.18s ease;
  box-shadow: var(--subj-eng-shadow-sm, 0 1px 3px rgba(11, 30, 54, 0.05));
  cursor: pointer;
  outline: none;
  text-align: left;
}

.english-cat-card:hover {
  transform: translateY(-2px);
  border-color: #93C5FD;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
}

.cat-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.cat-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--subj-eng-radius-md, 8px);
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.18s ease, background 0.18s ease;
}

.english-cat-card:hover .cat-icon-badge {
  transform: scale(1.04);
  background: #DBEAFE;
}

.cat-title-wrap {
  flex-grow: 1;
}

.cat-title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--subj-eng-text-primary, #0F172A);
  margin: 0 0 3px 0;
  line-height: 1.35;
}

.cat-burmese-title {
  display: none !important;
}

.cat-scope-pill {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 999px;
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
  white-space: nowrap;
}

.cat-desc {
  font-size: 13px;
  color: var(--subj-eng-text-secondary, #475569);
  line-height: 1.5;
  margin: 0 0 16px 0;
  flex-grow: 1;
}

.cat-action-row {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--subj-eng-radius-sm, 6px);
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid #E2E8F0;
  background: #FFFFFF;
  color: #2563EB;
  transition: all 0.15s ease;
  box-sizing: border-box;
}

.english-cat-card:hover .cat-action-row {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
}

/* Units Grid (Units 1-12) */
.english-units-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

@media (max-width: 640px) {
  .english-units-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

.english-unit-card {
  background: var(--subj-eng-surface, #FFFFFF);
  border: 1px solid var(--subj-eng-card-border, #E2E8F0);
  border-radius: var(--subj-eng-radius-lg, 12px);
  padding: 18px;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--subj-eng-shadow-sm, 0 1px 3px rgba(11, 30, 54, 0.05));
}

.english-unit-card:hover {
  transform: translateY(-2px);
  border-color: #93C5FD;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.07);
}

.unit-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.unit-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  color: #2563EB;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 3px 8px;
  border-radius: var(--subj-eng-radius-sm, 6px);
}

.unit-meta {
  font-size: 11.5px;
  font-weight: 600;
  color: #64748B;
  background: #F1F5F9;
  padding: 3px 8px;
  border-radius: 999px;
}

.unit-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--subj-eng-text-primary, #0F172A);
  margin: 0 0 14px 0;
  line-height: 1.4;
}

.btn-start-unit {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--subj-eng-radius-sm, 6px);
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid #BFDBFE;
  background: #EFF6FF;
  color: #2563EB;
  text-decoration: none;
  transition: all 0.15s ease;
  box-sizing: border-box;
}

.english-unit-card:hover .btn-start-unit {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
}

/* Grammar Topic Cards */
.grammar-topic-card {
  background: var(--subj-eng-surface, #FFFFFF);
  border: 1px solid var(--subj-eng-card-border, #E2E8F0);
  border-radius: var(--subj-eng-radius-lg, 12px);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--subj-eng-shadow-sm, 0 1px 3px rgba(11, 30, 54, 0.05));
}

.grammar-topic-card:hover {
  transform: translateY(-1px);
  border-color: #93C5FD;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.06);
}

.grammar-topic-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-grow: 1;
}

.grammar-topic-idx {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  color: #2563EB;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 3px 8px;
  border-radius: var(--subj-eng-radius-sm, 6px);
  white-space: nowrap;
}

.grammar-topic-name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--subj-eng-text-primary, #0F172A);
  margin: 0;
  line-height: 1.4;
}

.grammar-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--subj-eng-radius-sm, 6px);
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid #BFDBFE;
  background: #EFF6FF;
  color: #2563EB;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.grammar-topic-card:hover .grammar-action-btn {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
}

/* Grammar Toggle Bar */
.grammar-toggle-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  background: #F1F5F9;
  padding: 4px;
  border-radius: var(--subj-eng-radius-md, 8px);
  width: fit-content;
}

.grammar-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--subj-eng-radius-sm, 6px);
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.grammar-toggle-btn.active {
  background: #FFFFFF;
  color: #2563EB;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Focus Visible Rings (WCAG 2.1 AA) */
.english-cat-card:focus-visible,
.english-unit-card:focus-visible,
.grammar-topic-card:focus-visible,
.btn-start-unit:focus-visible,
.grammar-action-btn:focus-visible,
.curriculum-back-btn:focus-visible {
  outline: 2px solid #2563EB !important;
  outline-offset: 2px !important;
}

/* Reduced Motion Compatibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Burmese Font Rendering & Diacritic Collision Safeguard */
[lang="my"] {
  font-family: "Noto Sans Myanmar", "Padauk", "Pyidaungsu", -apple-system, sans-serif !important;
  line-height: 1.65 !important;
}

/* 44px Minimum Mobile Touch Target Size */
@media (max-width: 768px) {
  .btn-start-unit,
  .grammar-action-btn,
  .curriculum-back-btn,
  .grammar-toggle-btn {
    min-height: 44px;
    box-sizing: border-box;
  }
}