/* Final presentation readability reset. Loaded last on purpose. */
.lesson-presentation{
  --clean-bg:#07111f;
  --clean-slide:#0a1727;
  --clean-card:#102238;
  --clean-card-2:#142a43;
  --clean-border:#38506a;
  --clean-text:#f8fbff;
  --clean-muted:#d6e2ee;
  --panel:#0d1d30;
  --border:#38506a;
  color:var(--clean-text)!important;
  color-scheme:dark;
  background:var(--clean-bg)!important;
  border:1px solid #31465d!important;
  border-radius:20px!important;
  overflow:hidden!important;
  box-shadow:0 18px 48px rgba(0,0,0,.28)!important;
}
.lesson-presentation.biology{--clean-card:#102a25;--clean-card-2:#15372f}
.lesson-presentation.chemistry{--clean-card:#241d35;--clean-card-2:#302544}
.lesson-presentation.physics{--clean-card:#10283d;--clean-card-2:#14334d}

.lesson-presentation .presentation-toolbar{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto!important;
  gap:.8rem!important;
  align-items:center!important;
  padding:.7rem .9rem!important;
  background:#081522!important;
  border-bottom:1px solid #2a4057!important;
}
.lesson-presentation .presentation-toolbar .eyebrow{color:var(--deck-accent)!important;font-size:.7rem!important}
.lesson-presentation .presentation-toolbar strong{color:#fff!important;font-size:.98rem!important}
.lesson-presentation .presentation-toolbar-actions{
  display:flex!important;
  flex-wrap:nowrap!important;
  gap:.4rem!important;
  overflow-x:auto!important;
  max-width:min(52vw,700px)!important;
  scrollbar-width:thin;
}
.lesson-presentation .presentation-toolbar-actions button{
  flex:0 0 auto!important;
  white-space:nowrap!important;
  background:#10243a!important;
  color:#f8fbff!important;
  border:1px solid #3b536c!important;
  border-radius:9px!important;
  padding:.45rem .62rem!important;
  font-size:.76rem!important;
}
.lesson-presentation .presentation-toolbar-actions button:hover{background:#18314d!important;border-color:var(--deck-accent)!important}

.lesson-presentation .presentation-stage{
  background:#07111f!important;
  min-height:min(680px,72vh)!important;
}
.lesson-presentation .presentation-slide{
  width:100%!important;
  max-width:1180px!important;
  margin:0 auto!important;
  box-sizing:border-box!important;
  min-height:min(680px,72vh)!important;
  padding:clamp(1.35rem,3vw,2.7rem)!important;
  align-content:start!important;
  gap:1.1rem!important;
  background:linear-gradient(145deg,#0b1b2e 0%,#081420 58%,#07111f 100%)!important;
  color:var(--clean-text)!important;
  overflow:auto!important;
}
.lesson-presentation .presentation-slide[hidden]{display:none!important}

.lesson-presentation .presentation-slide :is(h1,h2,h3,h4,h5,h6,strong,b,label,summary,legend){color:#fff!important;text-shadow:none!important}
.lesson-presentation .presentation-slide :is(p,li,dd,dt,small,span){color:var(--clean-muted)!important;text-shadow:none!important}
.lesson-presentation .presentation-slide .presentation-kicker,
.lesson-presentation .presentation-slide .eyebrow,
.lesson-presentation .presentation-slide .presentation-slide-heading small,
.lesson-presentation .presentation-slide .presentation-term-grid strong,
.lesson-presentation .teacher-prompt strong{color:var(--deck-accent)!important}
.lesson-presentation .presentation-slide-heading h2,
.lesson-presentation .presentation-title-copy h2{
  max-width:24ch!important;
  font-size:clamp(1.9rem,3.2vw,3.15rem)!important;
  line-height:1.08!important;
  margin:.15rem 0 .45rem!important;
}
.lesson-presentation .presentation-lead,
.lesson-presentation .presentation-title-copy p{
  color:#edf5fc!important;
  font-size:clamp(1.05rem,1.45vw,1.24rem)!important;
  line-height:1.62!important;
}
.lesson-presentation .presentation-slide p,
.lesson-presentation .presentation-slide li{font-size:clamp(.98rem,1.1vw,1.08rem)!important;line-height:1.58!important}

.lesson-presentation .presentation-slide :is(
  article,
  details,
  .learn-card,
  .teaching-chunk-card,
  .chunk-check-card,
  .spec-depth-card,
  .spec-point-question,
  .presentation-worked,
  .presentation-practical,
  .presentation-knowledge-check,
  .mini-whiteboard,
  .sequence-challenge,
  .plenary-confidence,
  .interactive-diagram-card,
  .diagram-hotspot-info,
  .cer-challenge,
  .transfer-challenge,
  .misconception-repair
){
  background:var(--clean-card)!important;
  color:var(--clean-text)!important;
  border:1px solid var(--clean-border)!important;
  border-radius:14px!important;
  box-shadow:none!important;
}
.lesson-presentation .presentation-slide :is(
  .presentation-practice-grid article:nth-child(even),
  .presentation-exam-grid article:nth-child(even),
  .presentation-finish-grid article:nth-child(even),
  .presentation-term-grid article:nth-child(even),
  .spec-apply-grid article:nth-child(even)
){background:var(--clean-card-2)!important}
.lesson-presentation .presentation-bullets li,
.lesson-presentation .presentation-spec-list li{
  background:var(--clean-card)!important;
  border:1px solid #314a63!important;
  color:#edf5fc!important;
  box-shadow:none!important;
}
.lesson-presentation .presentation-bullets li:before,
.lesson-presentation .presentation-spec-list li:before{color:var(--deck-accent)!important}

.lesson-presentation .presentation-callout,
.lesson-presentation .whiteboard-model{
  background:#0d2236!important;
  color:#f8fbff!important;
  border:1px solid color-mix(in srgb,var(--deck-accent) 56%,#38506a)!important;
  border-left:4px solid var(--deck-accent)!important;
  border-radius:12px!important;
  box-shadow:none!important;
}
.lesson-presentation .presentation-warning{background:#32250f!important;border:1px solid #8d672d!important;color:#fff7df!important}
.lesson-presentation .presentation-warning :is(p,li,small,span){color:#ffebbb!important}

.lesson-presentation .presentation-diagram,
.lesson-presentation .presentation-fallback-visual,
.lesson-presentation .interactive-diagram-canvas{
  background:#06101b!important;
  border:1px solid #38506a!important;
  border-radius:16px!important;
  color:#edf6ff!important;
  box-shadow:none!important;
}
.lesson-presentation svg text{fill:#f7fbff!important}
.lesson-presentation .science-real-diagram{color:#eef6ff!important}
.lesson-presentation .science-real-diagram .diagram-bg{fill:#06101b!important}

.lesson-presentation :is(input,textarea,select){
  background:#06101b!important;
  color:#fff!important;
  border:1px solid #49627d!important;
  border-radius:10px!important;
  box-shadow:none!important;
}
.lesson-presentation :is(input,textarea)::placeholder{color:#a9bbcd!important;opacity:1!important}
.lesson-presentation select option{background:#07111f!important;color:#fff!important}
.lesson-presentation button{color:#f8fbff!important}
.lesson-presentation :is(button,a,input,textarea,select):focus-visible{outline:3px solid color-mix(in srgb,var(--deck-accent) 78%,white 22%)!important;outline-offset:2px!important}
.lesson-presentation .knowledge-options button,
.lesson-presentation .diagram-label-bank button,
.lesson-presentation .sequence-item{background:#102238!important;color:#f8fbff!important;border-color:#3b536c!important}
.lesson-presentation .knowledge-options button.correct{background:#123827!important;border-color:#5ee19b!important}
.lesson-presentation .knowledge-options button.wrong{background:#3a1721!important;border-color:#ff8596!important}
.lesson-presentation .knowledge-feedback{background:#0b1a2b!important;color:#f8fbff!important;border:1px solid #314a63!important}

.lesson-presentation .deep-understanding-panel{
  --panel:#0a1727;
  background:#0a1727!important;
  color:#f8fbff!important;
  border:1px solid color-mix(in srgb,var(--deck-accent) 42%,#38506a)!important;
  box-shadow:none!important;
}
.lesson-presentation .reasoning-chain button{background:#102238!important;color:#f8fbff!important;border-color:#3b536c!important}
.lesson-presentation .reasoning-chain button>span,
.lesson-presentation .deep-version,
.lesson-presentation .precision-language-strip span{background:#18314d!important;color:#fff!important;border:1px solid #49627d!important}

.lesson-presentation :is(.presentation-term-grid,.presentation-practice-grid,.presentation-exam-grid,.presentation-finish-grid,.spec-apply-grid,.dual-representation>div){grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:.8rem!important}
.lesson-presentation .presentation-spec-list{grid-template-columns:1fr!important}
.lesson-presentation :is(.presentation-teach-grid,.spec-teaching-layout,.interactive-diagram-main,.complete-coverage-layout){gap:1rem!important}

.lesson-presentation.student-mode .presentation-toolbar-actions :is(.lesson-qa-badge,.lesson-evidence-badge,.lesson-specificity-badge){display:none!important}
.lesson-card:has(.lesson-presentation.student-mode) > :is(.lesson-qa-detail,.lesson-evidence-detail,.lesson-specificity-detail){display:none!important}

.lesson-presentation .presentation-bottom{
  background:#081522!important;
  border-top:1px solid #2a4057!important;
  padding:.65rem .85rem!important;
}
.lesson-presentation .presentation-bottom>button{background:#10243a!important;border:1px solid #3b536c!important;color:#fff!important}
.lesson-presentation .presentation-dots span{background:#52667d!important}
.lesson-presentation .presentation-dots button.active span{background:var(--deck-accent)!important}
.lesson-presentation .presentation-count{color:#dce8f4!important;opacity:1!important}
.lesson-presentation .presentation-keyboard-hint{background:#07111f!important;color:#a9bbcd!important;opacity:1!important}

.lesson-presentation .presentation-full-notes{background:#081522!important;color:#f8fbff!important;border-color:#314a63!important}
.lesson-presentation .presentation-full-notes>summary{background:#0d1d30!important;color:#fff!important}

.lesson-presentation:fullscreen{background:#07111f!important;border:0!important}
.lesson-presentation:fullscreen .presentation-slide{max-width:1320px!important;padding:clamp(2rem,4vw,4rem)!important}

@media(max-width:900px){
  .lesson-presentation .presentation-toolbar{grid-template-columns:1fr!important}
  .lesson-presentation .presentation-toolbar-actions{max-width:100%!important;width:100%!important}
  .lesson-presentation :is(.presentation-term-grid,.presentation-practice-grid,.presentation-exam-grid,.presentation-finish-grid,.spec-apply-grid,.dual-representation>div){grid-template-columns:1fr!important}
  .lesson-presentation .presentation-slide{min-height:auto!important;padding:1.1rem!important}
}
@media(prefers-contrast:more){
  .lesson-presentation .presentation-slide :is(p,li,dd,dt,small,span){color:#fff!important}
  .lesson-presentation .presentation-slide :is(article,details,.teaching-chunk-card,.chunk-check-card,.spec-depth-card,.spec-point-question){border-color:#86a0bb!important}
}