/* ==========================================================================
   Egyptian Arabic Learning App - "At the Supermarket (في السوبر ماركت)"
   Design System & Modern Styling
   ========================================================================== */

:root {
  --primary-color: #0d9488;
  --primary-light: #14b8a6;
  --primary-dark: #0f766e;
  --primary-gradient: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
  
  --secondary-color: #f59e0b;
  --secondary-light: #fbbf24;
  --secondary-dark: #d97706;

  --accent-seller: #059669;
  --accent-seller-bg: #ecfdf5;
  --accent-seller-border: #a7f3d0;

  --accent-customer: #6366f1;
  --accent-customer-bg: #eef2ff;
  --accent-customer-border: #c7d2fe;

  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-elevated: rgba(255, 255, 255, 0.85);

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-invert: #ffffff;

  --border-light: #e2e8f0;
  --border-hover: #cbd5e1;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 10px 30px -10px rgba(13, 148, 136, 0.15);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base & Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Cairo', 'Tajawal', system-ui, -apple-system, sans-serif;
  background: var(--bg-main);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(20, 184, 166, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(245, 158, 11, 0.07) 0%, transparent 40%);
  color: var(--text-primary);
  min-height: 100vh;
  direction: rtl;
  text-align: right;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

/* Header & Banner */
.app-header {
  background: var(--bg-elevated);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  font-size: 2.75rem;
  background: var(--primary-gradient);
  color: white;
  width: 68px;
  height: 68px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.brand-text h1 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-text .subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  direction: ltr;
  text-align: right;
}

.dialect-badge {
  background: #fef3c7;
  color: #92400e;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid #fde68a;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Global Switch Controls */
.global-toggles {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.toggle-btn {
  background: #f1f5f9;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.toggle-btn:hover {
  background: #e2e8f0;
  color: var(--text-primary);
}

.toggle-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-dark);
}

/* Nav Tabs */
.nav-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.nav-tab {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-tab:hover {
  background: rgba(13, 148, 136, 0.08);
  color: var(--primary-color);
}

.nav-tab.active {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

/* Views Container */
.view-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Player Master Control Bar */
.master-controls-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.playback-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(13, 148, 136, 0.4);
}

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

.btn-secondary {
  background: #f8fafc;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: #f1f5f9;
  border-color: var(--border-hover);
}

.progress-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  max-width: 380px;
}

.progress-bar-bg {
  flex: 1;
  height: 8px;
  background: #e2e8f0;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary-gradient);
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: 'Outfit', 'Cairo', sans-serif;
}

/* Dialogue Chat Feed */
.dialogue-stream {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.dialogue-bubble-row {
  display: flex;
  gap: 1rem;
  max-width: 85%;
  position: relative;
  transition: transform var(--transition-fast);
}

.dialogue-bubble-row.seller {
  align-self: flex-start;
}

.dialogue-bubble-row.customer {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.character-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  background: white;
  border: 2px solid white;
}

.dialogue-bubble-row.seller .character-avatar {
  background: var(--accent-seller-bg);
  border-color: var(--accent-seller-border);
}

.dialogue-bubble-row.customer .character-avatar {
  background: var(--accent-customer-bg);
  border-color: var(--accent-customer-border);
}

.bubble-content {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-normal);
}

.dialogue-bubble-row.seller .bubble-content {
  border-top-right-radius: 4px;
}

.dialogue-bubble-row.customer .bubble-content {
  border-top-left-radius: 4px;
  text-align: right;
}

.bubble-content:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.dialogue-bubble-row.playing .bubble-content {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.25), var(--shadow-md);
  background: #fafffd;
}

.bubble-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  gap: 1rem;
}

.speaker-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.seller .speaker-badge {
  background: var(--accent-seller-bg);
  color: var(--accent-seller);
}

.customer .speaker-badge {
  background: var(--accent-customer-bg);
  color: var(--accent-customer);
}

.bubble-audio-btn {
  background: #f1f5f9;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.bubble-audio-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

.playing .bubble-audio-btn {
  background: var(--primary-color);
  color: white;
  animation: pulseAudio 1.2s infinite;
}

@keyframes pulseAudio {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); box-shadow: 0 0 10px rgba(13, 148, 136, 0.4); }
  100% { transform: scale(1); }
}

.text-arabic {
  font-size: 1.45rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.6;
  margin-bottom: 0.35rem;
}

.text-phonetic {
  font-size: 0.95rem;
  font-family: 'Outfit', sans-serif;
  color: #0d9488;
  font-weight: 500;
  margin-bottom: 0.35rem;
  direction: ltr;
  text-align: right;
}

.text-english {
  font-size: 0.95rem;
  font-family: 'Outfit', sans-serif;
  color: #475569;
  font-weight: 500;
  direction: ltr;
  text-align: right;
}

.cultural-note-pill {
  margin-top: 0.75rem;
  padding: 0.45rem 0.75rem;
  background: #fffbeb;
  border: 1px dashed #fde68a;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: #92400e;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Sound Wave Animation */
.sound-wave {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 18px;
  margin-inline-start: 6px;
  vertical-align: middle;
}

.sound-wave span {
  display: block;
  width: 3px;
  height: 100%;
  background: var(--primary-color);
  border-radius: 3px;
  animation: wave 1s ease-in-out infinite;
}

.sound-wave span:nth-child(1) { animation-delay: 0.0s; height: 30%; }
.sound-wave span:nth-child(2) { animation-delay: 0.2s; height: 70%; }
.sound-wave span:nth-child(3) { animation-delay: 0.4s; height: 100%; }
.sound-wave span:nth-child(4) { animation-delay: 0.1s; height: 50%; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.3); }
  50% { transform: scaleY(1); }
}

/* Roleplay Mode */
.roleplay-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.role-selector-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.role-selector-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.role-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.role-card {
  background: #f8fafc;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.role-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.role-card.selected {
  border-color: var(--primary-color);
  background: #f0fdfa;
  box-shadow: 0 0 0 2px var(--primary-light);
}

.role-card-avatar {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.role-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.role-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.roleplay-stage {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
}

.roleplay-prompt-box {
  background: #f1f5f9;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-right: 5px solid var(--primary-color);
  text-align: right;
}

.roleplay-prompt-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.roleplay-prompt-arabic {
  font-size: 1.7rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.roleplay-prompt-english {
  font-size: 1.05rem;
  color: #475569;
  direction: ltr;
  text-align: right;
  font-family: 'Outfit', sans-serif;
}

.roleplay-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* Supermarket Receipt & Cart */
.cart-bill-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 820px) {
  .cart-bill-layout {
    grid-template-columns: 1fr;
  }
}

.supermarket-shelf-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.supermarket-shelf-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.cart-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.cart-item-row:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.item-visual {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.item-icon {
  font-size: 2.2rem;
  width: 50px;
  height: 50px;
  background: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.item-details h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.item-details p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.item-price {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-dark);
}

/* Realistic Thermal Receipt */
.receipt-wrapper {
  perspective: 1000px;
}

.thermal-receipt {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 2rem 1.75rem;
  font-family: 'Outfit', 'Cairo', monospace;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  position: relative;
  background-image: linear-gradient(to bottom, #ffffff 0%, #fafafa 100%);
}

.thermal-receipt::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  right: 0;
  height: 10px;
  background: radial-gradient(circle, transparent, transparent 50%, #ffffff 50%, #ffffff 100%);
  background-size: 16px 16px;
}

.receipt-header {
  text-align: center;
  border-bottom: 2px dashed #cbd5e1;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
}

.receipt-logo {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.receipt-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #1e293b;
}

.receipt-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.receipt-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.receipt-table th {
  border-bottom: 1px solid #e2e8f0;
  padding: 0.5rem 0;
  text-align: right;
  color: var(--text-secondary);
  font-weight: 600;
}

.receipt-table td {
  padding: 0.6rem 0;
  border-bottom: 1px dashed #f1f5f9;
}

.receipt-total-row {
  border-top: 2px dashed #94a3b8;
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 1.5rem;
}

.pos-payment-trigger {
  width: 100%;
  background: #1e293b;
  color: white;
  border: none;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.pos-payment-trigger:hover {
  background: #0f172a;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.3);
}

.pos-payment-trigger.paid {
  background: var(--accent-seller);
}

/* Vocabulary Grid */
.vocab-filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.filter-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.filter-chip.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-dark);
}

.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.vocab-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.vocab-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.vocab-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.vocab-icon {
  font-size: 2.2rem;
}

.vocab-audio-btn {
  background: #f1f5f9;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.vocab-audio-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

.vocab-word-ar {
  font-size: 1.75rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 0.25rem;
}

.vocab-translit {
  font-size: 1rem;
  color: var(--primary-color);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  margin-bottom: 0.25rem;
  direction: ltr;
  text-align: right;
}

.vocab-word-en {
  font-size: 1rem;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  margin-bottom: 1rem;
  direction: ltr;
  text-align: right;
}

.vocab-note {
  font-size: 0.8rem;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

/* Quiz Section */
.quiz-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  max-width: 720px;
  margin: 0 auto;
}

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

.quiz-question-text {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.quiz-question-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  direction: ltr;
  text-align: right;
  margin-bottom: 1.5rem;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.quiz-option-btn {
  background: #f8fafc;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  text-align: right;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quiz-option-btn:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.quiz-option-btn.correct {
  background: #ecfdf5;
  border-color: #10b981;
  color: #065f46;
}

.quiz-option-btn.wrong {
  background: #fef2f2;
  border-color: #ef4444;
  color: #991b1b;
}

.quiz-feedback-box {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  display: none;
}

.quiz-feedback-box.active {
  display: block;
}

.quiz-feedback-box.correct {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.quiz-feedback-box.wrong {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.quiz-actions {
  display: flex;
  justify-content: flex-end;
}

/* Footer */
.app-footer {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.app-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 700;
}

/* Utility hide classes */
.hide-translation .text-english,
.hide-translation .vocab-word-en,
.hide-translation .roleplay-prompt-english,
.hide-translation .roleplay-partner-en,
.hide-translation .subtitle,
.hide-translation .quiz-question-sub {
  display: none !important;
}

.hide-phonetic .text-phonetic,
.hide-phonetic .vocab-translit {
  display: none !important;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .brand-text h1 {
    font-size: 1.45rem;
  }
  .dialogue-bubble-row {
    max-width: 95%;
  }
  .bubble-content {
    padding: 1rem 1.15rem;
  }
  .text-arabic {
    font-size: 1.25rem;
  }
  .character-avatar {
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
  }
}