/* ==========================================================================
   English Flow — "What Is This?" Video Learning Lab Styles
   Designed for interactive video quizzes with real animated video clips
   ========================================================================== */

:root {
  --wit-bg: #f8fafc;
  --wit-card: #ffffff;
  --wit-ink: #0f172a;
  --wit-muted: #64748b;
  --wit-border: #e2e8f0;
  --wit-primary: #6366f1;
  --wit-primary-dark: #4f46e5;
  --wit-primary-light: #e0e7ff;
  --wit-correct: #10b981;
  --wit-correct-dark: #059669;
  --wit-correct-light: #d1fae5;
  --wit-wrong: #ef4444;
  --wit-wrong-dark: #dc2626;
  --wit-wrong-light: #fee2e2;
  --wit-gold: #f59e0b;
  --wit-gold-light: #fef3c7;
  --wit-radius: 20px;
}

body.what-is-this-page {
  background: #fdfbf7;
  color: var(--wit-ink);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Hero Section */
.wit-hero {
  padding: 44px 0 28px;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
}

.wit-badge-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.wit-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #e0e7ff;
  color: #4338ca;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.wit-badge-free {
  background: #d1fae5;
  color: #065f46;
}

.wit-hero h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(32px, 4.4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--wit-ink);
  margin: 0 auto 12px;
  max-width: 760px;
}

.wit-hero h1 em {
  font-style: italic;
  color: var(--wit-primary);
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.wit-hero p {
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--wit-muted);
  max-width: 640px;
  margin: 0 auto 24px;
  line-height: 1.6;
}

/* Gamified Stats Header Strip */
.wit-stats-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 auto 30px;
  max-width: 680px;
}

.wit-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.04);
}

.wit-stat-pill b {
  color: var(--wit-ink);
}

.wit-stat-streak {
  border-color: #fde68a;
  background: #fffbeb;
  color: #b45309;
}

.wit-stat-xp {
  border-color: #e9d5ff;
  background: #faf5ff;
  color: #7e22ce;
}

/* Category Filter Bar */
.wit-filter-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.wit-filter-btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: 2px solid #e2e8f0;
  background: #ffffff;
  color: #475569;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
}

.wit-filter-btn:hover {
  border-color: var(--wit-primary);
  color: var(--wit-primary);
  transform: translateY(-1px);
}

.wit-filter-btn.is-active {
  background: var(--wit-primary);
  border-color: var(--wit-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.28);
}

/* The Main Video Quiz Arena Card */
.wit-arena-card {
  max-width: 820px;
  margin: 0 auto 48px;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 28px;
  box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.02);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

/* Top Card Bar: Progress & Mode */
.wit-card-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: #f8fafc;
  border-bottom: 1.5px solid #e2e8f0;
}

.wit-category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 800;
  color: #4338ca;
  background: #e0e7ff;
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wit-q-count {
  font-size: 13px;
  font-weight: 800;
  color: var(--wit-muted);
}

.wit-progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  overflow: hidden;
}

.wit-progress-bar-fill {
  height: 100%;
  width: 8%;
  background: linear-gradient(90deg, #6366f1 0%, #06b6d4 100%);
  transition: width 0.3s ease;
}

/* Video Stage Area */
.wit-video-stage {
  position: relative;
  background: #090d16;
  width: 100%;
  min-height: 240px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Say This, Not That Vocab Arena */
.wit-vocab-stage {
  width: 100%;
  height: 100%;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle at 50% 20%, #1e1b4b 0%, #0f172a 70%, #020617 100%);
  box-sizing: border-box;
}

.wit-vocab-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 820px;
}

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

.wit-dont-box {
  background: rgba(239, 68, 68, 0.12);
  border: 2px solid #ef4444;
  border-radius: 18px;
  padding: 20px 18px;
  text-align: center;
  transition: transform 0.2s ease;
}

.wit-dont-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ef4444;
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.wit-dont-phrase {
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #fca5a5;
  margin: 0 0 6px;
  text-decoration: line-through;
  text-decoration-thickness: 2.5px;
}

.wit-dont-sub {
  font-size: 13px;
  color: #cbd5e1;
  margin: 0;
}

.wit-vs-badge {
  background: #334155;
  color: #f1f5f9;
  font-size: 13px;
  font-weight: 900;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  justify-self: center;
}

.wit-say-box {
  background: rgba(16, 185, 129, 0.12);
  border: 2px dashed #10b981;
  border-radius: 18px;
  padding: 20px 18px;
  text-align: center;
  transition: all 0.3s ease;
}

.wit-say-box.is-revealed {
  border-style: solid;
  background: rgba(16, 185, 129, 0.22);
  box-shadow: 0 0 24px rgba(16, 185, 129, 0.35);
}

.wit-say-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #10b981;
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.wit-say-phrase {
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #6ee7b7;
  margin: 0 0 6px;
}

.wit-say-sub {
  font-size: 13px;
  color: #e2e8f0;
  margin: 0;
}

/* Video Controls Overlay */
.wit-video-overlay {
  position: absolute;
  bottom: 12px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.wit-video-controls {
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

.wit-ctrl-btn {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
}

.wit-ctrl-btn:hover {
  background: rgba(99, 102, 241, 0.9);
  border-color: #818cf8;
}

.wit-video-tag {
  background: rgba(16, 185, 129, 0.85);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  pointer-events: auto;
}

/* Question & Interactive 4 Options Section */
.wit-question-section {
  padding: 28px 28px 32px;
}

.wit-question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.wit-prompt-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wit-question-title {
  margin: 0;
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(24px, 3.2vw, 32px);
  color: var(--wit-ink);
  line-height: 1.15;
}

.wit-audio-btn {
  background: #f1f5f9;
  border: 2px solid #e2e8f0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.wit-audio-btn:hover {
  background: #e0e7ff;
  border-color: #c7d2fe;
  transform: scale(1.08);
}

.wit-question-sub {
  margin: 0 0 22px;
  color: var(--wit-muted);
  font-size: 15px;
}

/* 4 Options Grid */
.wit-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .wit-options-grid {
    grid-template-columns: 1fr;
  }
}

.wit-option-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 18px;
  background: #ffffff;
  border: 2.5px solid #e2e8f0;
  box-shadow: 0 4px 0 #cbd5e1;
  color: var(--wit-ink);
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}

.wit-option-card:hover:not(:disabled) {
  border-color: #6366f1;
  background: #f8faff;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #cbd5e1;
}

.wit-option-card:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #cbd5e1;
}

.wit-opt-letter {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 10px;
  background: #f1f5f9;
  color: #475569;
  font-size: 14px;
  font-weight: 900;
  transition: all 0.15s ease;
}

.wit-opt-text {
  flex: 1;
  line-height: 1.35;
}

/* Correct Choice State */
.wit-option-card.is-correct {
  border-color: var(--wit-correct);
  background: var(--wit-correct-light);
  box-shadow: 0 4px 0 var(--wit-correct-dark);
  color: #064e3b;
  animation: wit-pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.wit-option-card.is-correct .wit-opt-letter {
  background: var(--wit-correct);
  color: #ffffff;
}

/* Wrong Choice State */
.wit-option-card.is-wrong {
  border-color: var(--wit-wrong);
  background: var(--wit-wrong-light);
  box-shadow: 0 4px 0 var(--wit-wrong-dark);
  color: #991b1b;
  animation: wit-shake 0.35s ease;
}

.wit-option-card.is-wrong .wit-opt-letter {
  background: var(--wit-wrong);
  color: #ffffff;
}

/* Highlighted Answer when wrong was clicked */
.wit-option-card.is-revealed-correct {
  border-color: var(--wit-correct);
  background: #f0fdf4;
  border-style: dashed;
}

@keyframes wit-pop {
  0% { transform: scale(0.97); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes wit-shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* Feedback Drawer Box */
.wit-feedback-box {
  display: none;
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  padding: 22px 24px;
  margin-top: 20px;
  animation: wit-fade-in 0.25s ease;
}

.wit-feedback-box.is-visible {
  display: block;
}

.wit-fb-correct {
  border-color: #a7f3d0;
  background: #ecfdf5;
}

.wit-fb-wrong {
  border-color: #fecaca;
  background: #fef2f2;
}

.wit-fb-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.wit-fb-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 800;
}

.wit-fb-word-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.wit-fb-word {
  font-size: 20px;
  font-weight: 800;
  color: var(--wit-ink);
}

.wit-fb-ipa {
  font-size: 14px;
  font-weight: 600;
  color: #4338ca;
  background: #e0e7ff;
  padding: 3px 8px;
  border-radius: 6px;
}

.wit-fb-desc {
  margin: 0 0 10px;
  color: #334155;
  font-size: 14.5px;
  line-height: 1.5;
}

.wit-fb-example {
  margin: 0 0 16px;
  padding: 10px 14px;
  border-left: 3px solid var(--wit-primary);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  font-style: italic;
  color: #1e293b;
}

.wit-fb-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.wit-next-btn {
  background: var(--wit-primary);
  border: 2px solid var(--wit-primary-dark);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--wit-primary-dark);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.wit-next-btn:hover {
  background: #4f46e5;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--wit-primary-dark);
}

.wit-next-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--wit-primary-dark);
}

@keyframes wit-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mascot Flo Cheerful Commentary Card */
.wit-flo-cheer {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 auto 36px;
  max-width: 820px;
  padding: 16px 22px;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.04);
}

.wit-flo-avatar {
  font-size: 32px;
  line-height: 1;
}

.wit-flo-bubble {
  flex: 1;
  font-size: 14.5px;
  color: #334155;
  line-height: 1.5;
}

.wit-flo-bubble b {
  color: var(--wit-ink);
}

/* Viral Completion Card & Share Buttons */
.wit-completion-card {
  padding: 36px 24px;
  text-align: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  color: #ffffff;
  border-radius: 14px;
  animation: wit-fade-in 0.3s ease;
}

.wit-comp-badge {
  display: inline-block;
  padding: 6px 16px;
  background: #facc15;
  color: #1e1b4b;
  font-weight: 800;
  font-size: 13px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.wit-comp-title {
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 6px;
  color: #ffffff;
}

.wit-comp-sub {
  font-size: 15px;
  color: #cbd5e1;
  margin-bottom: 24px;
}

.wit-comp-stats {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.wit-comp-stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 14px 22px;
  min-width: 110px;
}

.wit-comp-stat b {
  display: block;
  font-size: 22px;
  font-weight: 900;
  color: #38bdf8;
}

.wit-comp-stat small {
  font-size: 11px;
  font-weight: 800;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.wit-share-section {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 24px;
}

.wit-share-heading {
  font-size: 14px;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wit-share-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.wit-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.wit-share-btn:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.wit-btn-whatsapp {
  background: #25d366;
  color: #ffffff;
}

.wit-btn-telegram {
  background: #229ed9;
  color: #ffffff;
}

.wit-btn-twitter {
  background: #000000;
  color: #ffffff;
  border: 1px solid #334155;
}

.wit-btn-copy {
  background: #6366f1;
  color: #ffffff;
}

.wit-comp-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.wit-comp-restart-btn {
  padding: 12px 22px;
  background: #334155;
  color: #ffffff;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}

.wit-comp-restart-btn:hover {
  background: #475569;
}

.wit-comp-next-btn {
  padding: 12px 22px;
  background: #4f46e5;
  color: #ffffff;
  text-decoration: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  display: inline-block;
  transition: background 0.15s;
}

.wit-comp-next-btn:hover {
  background: #4338ca;
}