/* english67/styles.css */
/* Core styling for English67 English Learning App */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;800&family=Sarabun:wght@300;400;600;700&display=swap');

:root {
  /* Color System */
  --bg-pastel-pink: hsl(350, 100%, 97%);
  --bg-pastel-pink-darker: hsl(350, 100%, 94%);
  --primary-pink: hsl(350, 90%, 72%);
  --primary-pink-hover: hsl(350, 85%, 65%);
  --primary-pink-light: hsl(350, 100%, 92%);
  --pastel-yellow: hsl(45, 100%, 92%);
  --pastel-yellow-text: hsl(45, 80%, 35%);
  --pastel-blue: hsl(205, 100%, 92%);
  --pastel-blue-text: hsl(205, 80%, 40%);
  --pastel-mint: hsl(145, 60%, 91%);
  --pastel-mint-text: hsl(145, 60%, 30%);
  --pastel-purple: hsl(270, 70%, 93%);
  --pastel-purple-text: hsl(270, 60%, 40%);
  
  --text-dark: hsl(220, 25%, 20%);
  --text-muted: hsl(220, 15%, 45%);
  --white: hsl(0, 0%, 100%);
  --shadow-sm: 0 4px 6px -1px rgba(244, 63, 94, 0.05), 0 2px 4px -1px rgba(244, 63, 94, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(244, 63, 94, 0.08), 0 4px 6px -2px rgba(244, 63, 94, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(244, 63, 94, 0.12), 0 10px 10px -5px rgba(244, 63, 94, 0.04);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Font Family */
  --font-eng: 'Outfit', sans-serif;
  --font-thai: 'Sarabun', sans-serif;
}

/* Base resets & styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-thai);
  background: radial-gradient(circle at 10% 20%, hsl(340, 100%, 98%) 0%, var(--bg-pastel-pink) 90%);
  color: var(--text-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-pastel-pink);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-pink);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-pink-hover);
}

/* Header & Hero Section */
header {
  padding: 2.5rem 1.5rem 1.5rem;
  text-align: center;
  position: relative;
}

.hero {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-eng);
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, hsl(350, 95%, 65%), var(--primary-pink), hsl(320, 80%, 70%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -2px;
  animation: floatTitle 3s ease-in-out infinite alternate;
  display: inline-block;
}

@keyframes floatTitle {
  0% { transform: translateY(0px) rotate(-1deg); }
  100% { transform: translateY(-5px) rotate(1deg); }
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* Main Container Layout */
main {
  flex: 1;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Dashboard / Filter Bar */
.control-panel {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 10;
}

.search-filter-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 768px) {
  .search-filter-row {
    grid-template-columns: 1fr;
  }
}

.search-box {
  position: relative;
  width: 100%;
}

.search-box input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.8rem;
  border: 2px solid transparent;
  background: var(--white);
  border-radius: var(--radius-md);
  font-family: var(--font-thai);
  font-size: 0.95rem;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--primary-pink);
  box-shadow: 0 0 0 4px var(--primary-pink-light);
}

.search-box svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.search-results-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border: 2px solid var(--primary-pink);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  max-height: 350px;
  overflow-y: auto;
  margin-top: 8px;
  display: none;
  padding: 8px;
}
.search-results-panel.active {
  display: block;
}
.search-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--bg-pastel);
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: var(--radius-sm);
}
.search-result-item:last-child {
  border-bottom: none;
}
.search-result-item:hover {
  background: var(--primary-pink-light);
}
.search-result-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 80%;
  text-align: left;
}
.search-result-vocab-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.search-result-vocab {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-pink);
}
.search-result-pos {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  background: var(--bg-pastel);
  padding: 2px 6px;
  border-radius: 4px;
}
.search-result-meaning {
  font-size: 0.95rem;
  color: var(--text-dark);
}
.search-result-phonetic {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}
.search-result-actions {
  display: flex;
  gap: 8px;
}
.search-action-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  transition: transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.search-action-btn:hover {
  transform: scale(1.15);
  background: rgba(255, 105, 180, 0.1);
}

.filter-select {
  position: relative;
}

.filter-select select {
  width: 100%;
  padding: 0.8rem 2.5rem 0.8rem 1.2rem;
  border: 2px solid transparent;
  background: var(--white);
  border-radius: var(--radius-md);
  font-family: var(--font-thai);
  font-size: 0.95rem;
  outline: none;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: var(--transition-fast);
}

.filter-select select:focus {
  border-color: var(--primary-pink);
  box-shadow: 0 0 0 4px var(--primary-pink-light);
}

.filter-select::after {
  content: '▼';
  font-size: 0.75rem;
  color: var(--text-muted);
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* Learning Dashboard Stats */
.dashboard-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.2rem 0;
  border-top: 1px dashed rgba(244, 63, 94, 0.2);
}

.stat-item {
  font-size: 0.9rem;
  color: var(--text-dark);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stat-value {
  color: var(--primary-pink-hover);
  font-family: var(--font-eng);
  font-size: 1.1rem;
  font-weight: 800;
}

.progress-track-container {
  width: 100%;
  height: 8px;
  background: var(--bg-pastel-pink-darker);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.3rem;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary-pink), hsl(320, 80%, 70%));
  border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Learning & Quiz View Toggle */
.mode-toggle-container {
  display: flex;
  justify-content: center;
  background: var(--white);
  padding: 0.4rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  width: fit-content;
  margin: 0 auto;
}

.mode-btn {
  padding: 0.6rem 1.8rem;
  border: none;
  background: transparent;
  border-radius: var(--radius-xl);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.mode-btn.active {
  background: var(--primary-pink);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

/* Mode Container */
.mode-section {
  display: none;
  width: 100%;
}

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

/* Carousel/Slideshow Container */
.slideshow-container {
  position: relative;
  width: 100%;
  perspective: 1000px;
}

/* Vocabulary Card */
.vocab-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  min-height: 480px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-slow), opacity var(--transition-normal);
  transform-style: preserve-3d;
}

.vocab-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--primary-pink), var(--pastel-yellow), var(--pastel-blue));
}

/* Card Entry/Exit Animations */
.card-slide-out-left {
  transform: translateX(-150px) rotateY(-15deg);
  opacity: 0;
}

.card-slide-out-right {
  transform: translateX(150px) rotateY(15deg);
  opacity: 0;
}

.card-slide-in-left {
  animation: slideInLeft var(--transition-slow) forwards;
}

.card-slide-in-right {
  animation: slideInRight var(--transition-slow) forwards;
}

@keyframes slideInLeft {
  from {
    transform: translateX(-150px) rotateY(-15deg);
    opacity: 0;
  }
  to {
    transform: translateX(0) rotateY(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(150px) rotateY(15deg);
    opacity: 0;
  }
  to {
    transform: translateX(0) rotateY(0);
    opacity: 1;
  }
}

/* Header within Card */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  gap: 1rem;
}

.card-badges {
  display: flex;
  gap: 0.5rem;
}

.badge {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
}

.badge-level.beginner {
  background: var(--pastel-mint);
  color: var(--pastel-mint-text);
}

.badge-level.intermediate {
  background: var(--pastel-blue);
  color: var(--pastel-blue-text);
}

.badge-category {
  background: var(--pastel-purple);
  color: var(--pastel-purple-text);
}

/* Master Checkbox */
.mastery-btn {
  background: var(--bg-pastel-pink-darker);
  border: 2px solid transparent;
  color: var(--text-muted);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.mastery-btn:hover {
  background: var(--primary-pink-light);
  color: var(--primary-pink-hover);
}

.mastery-btn.mastered {
  background: var(--pastel-mint);
  color: var(--pastel-mint-text);
  border-color: transparent;
}

.mastery-btn svg {
  width: 18px;
  height: 18px;
}

/* Card Body (Main Word & Pronunciation) */
.card-body {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  flex: 1;
}

.word-english-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.word-english {
  font-family: var(--font-eng);
  font-size: 3.8rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -1px;
  line-height: 1.1;
}

@media (max-width: 576px) {
  .word-english {
    font-size: 2.8rem;
  }
}

.audio-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-pink-light);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-pink);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.audio-btn:hover {
  background: var(--primary-pink);
  color: var(--white);
  transform: scale(1.08);
}

.audio-btn svg {
  width: 24px;
  height: 24px;
}

.word-phonetics {
  font-family: var(--font-eng);
  color: var(--text-muted);
  font-size: 1.2rem;
  letter-spacing: 0.5px;
}

.word-thai-phonetic {
  font-size: 1.25rem;
  color: var(--primary-pink-hover);
  font-weight: 600;
  background: var(--bg-pastel-pink-darker);
  padding: 0.2rem 1rem;
  border-radius: var(--radius-sm);
}

.word-meaning {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 0.5rem;
}

@media (max-width: 576px) {
  .word-meaning {
    font-size: 1.8rem;
  }
}

/* Card Examples Section (Tabs & Showcase) */
.card-examples-section {
  border-top: 1px dashed rgba(244, 63, 94, 0.2);
  padding-top: 1.5rem;
}

.example-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.example-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.example-tab-btn {
  padding: 0.6rem;
  border: 1px solid rgba(244, 63, 94, 0.2);
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.example-tab-btn:hover {
  background: var(--bg-pastel-pink-darker);
  color: var(--primary-pink-hover);
}

.example-tab-btn.active {
  background: var(--pastel-yellow);
  color: var(--pastel-yellow-text);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

/* Active tab style variations for different sentence types */
.example-tab-btn.active.tab-affirmative {
  background: var(--pastel-yellow);
  color: var(--pastel-yellow-text);
}
.example-tab-btn.active.tab-negative {
  background: var(--pastel-blue);
  color: var(--pastel-blue-text);
}
.example-tab-btn.active.tab-interrogative {
  background: var(--pastel-purple);
  color: var(--pastel-purple-text);
}

/* Sentence Display Card */
.sentence-container {
  background: var(--bg-pastel-pink-darker);
  padding: 1.2rem;
  border-radius: var(--radius-md);
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  transition: background var(--transition-fast);
}

/* Variation based on tab type */
.sentence-container.type-affirmative {
  background: var(--bg-pastel-pink);
  border-left: 5px solid hsl(45, 90%, 75%);
}
.sentence-container.type-negative {
  background: hsl(205, 100%, 98%);
  border-left: 5px solid hsl(205, 90%, 75%);
}
.sentence-container.type-interrogative {
  background: hsl(270, 100%, 98%);
  border-left: 5px solid hsl(270, 80%, 75%);
}

.sentence-eng {
  font-family: var(--font-eng);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
}

.sentence-thai-wrapper {
  cursor: pointer;
  position: relative;
}

.sentence-thai {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: filter var(--transition-fast), opacity var(--transition-fast);
}

/* Self-test: blur translation until clicked */
.sentence-thai.blurred {
  filter: blur(5px);
  opacity: 0.6;
  user-select: none;
}

.translation-hint {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.85rem;
  color: var(--primary-pink);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: opacity var(--transition-fast);
}

.sentence-thai:not(.blurred) + .translation-hint {
  opacity: 0;
  pointer-events: none;
}

/* Slideshow Navigation Buttons */
.navigation-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.nav-circle-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
  color: var(--primary-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.nav-circle-btn:hover {
  background: var(--primary-pink);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.nav-circle-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-sm);
  background: var(--white);
  color: var(--text-muted);
}

.nav-circle-btn svg {
  width: 28px;
  height: 28px;
}

.progress-indicator {
  font-family: var(--font-eng);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* Keyboard Hints */
.keyboard-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.8rem;
}

@media (max-width: 576px) {
  .keyboard-hint {
    display: none;
  }
}

/* Quiz Mode Layout */
.quiz-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(244, 63, 94, 0.1);
  padding-bottom: 1rem;
}

.quiz-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
}

.quiz-progress {
  font-family: var(--font-eng);
  font-weight: 700;
  color: var(--primary-pink);
}

.quiz-score-badge {
  background: var(--pastel-yellow);
  color: var(--pastel-yellow-text);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
}

.quiz-question-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.quiz-prompt {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-dark);
}

.quiz-prompt-word {
  font-family: var(--font-eng);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary-pink-hover);
  display: block;
  text-align: center;
  margin: 0.5rem 0;
}

.quiz-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

@media (min-width: 576px) {
  .quiz-options {
    grid-template-columns: 1fr 1fr;
  }
}

.quiz-option-btn {
  background: var(--bg-pastel-pink-darker);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: 1.2rem;
  font-family: var(--font-thai);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quiz-option-btn:hover:not(:disabled) {
  background: var(--primary-pink-light);
  border-color: var(--primary-pink);
  transform: translateY(-2px);
}

.quiz-option-btn:disabled {
  cursor: not-allowed;
}

.quiz-option-btn.correct {
  background: var(--pastel-mint);
  border-color: var(--pastel-mint-text);
  color: var(--pastel-mint-text);
}

.quiz-option-btn.incorrect {
  background: var(--bg-pastel-pink);
  border-color: var(--primary-pink);
  color: var(--primary-pink-hover);
  opacity: 0.7;
}

.quiz-option-btn .option-letter {
  background: var(--white);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-eng);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.quiz-option-btn.correct .option-letter {
  background: var(--pastel-mint-text);
  color: var(--white);
}

.quiz-option-btn.incorrect .option-letter {
  background: var(--primary-pink);
  color: var(--white);
}

/* Quiz Controls */
.quiz-controls {
  display: flex;
  justify-content: flex-end;
  margin-top: 1rem;
}

.primary-btn {
  background: var(--primary-pink);
  color: var(--white);
  border: none;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.primary-btn:hover {
  background: var(--primary-pink-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

/* Quiz Result / Welcome States */
.quiz-landing-state, .quiz-result-state {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex: 1;
  padding: 2rem 0;
}

.quiz-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-pink-light);
  color: var(--primary-pink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulseIcon 2s infinite;
}

@keyframes pulseIcon {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.4); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(244, 63, 94, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
}

.quiz-icon svg {
  width: 40px;
  height: 40px;
}

.quiz-score-number {
  font-family: var(--font-eng);
  font-size: 4.5rem;
  font-weight: 800;
  color: var(--primary-pink-hover);
  line-height: 1;
}

.quiz-score-text {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-dark);
}

.quiz-score-subtext {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto;
}

/* Empty State/No word match filters */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.empty-state svg {
  width: 60px;
  height: 60px;
  color: var(--primary-pink-light);
}

/* Footer Section */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(244, 63, 94, 0.1);
  background: rgba(255, 255, 255, 0.4);
}

footer a {
  color: var(--primary-pink-hover);
  text-decoration: none;
  font-weight: 600;
}

footer a:hover {
  text-decoration: underline;
}

/* --- ONLINE TRANSLATOR STYLES --- */
.translator-card {
  background: linear-gradient(135deg, var(--white), var(--primary-pink-light));
  border: 2px solid var(--primary-pink);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

.translator-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-align: left;
}

.translator-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary-pink-hover);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.translator-words {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.translator-arrow {
  color: var(--text-muted);
}

.translator-btn-group {
  display: flex;
  gap: 0.5rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- SHARE BUTTON & MODAL --- */
.share-btn {
  background: var(--primary-pink);
  color: var(--white);
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.share-btn:hover {
  background: var(--primary-pink-hover);
  transform: scale(1.03);
}

.share-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.share-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.share-modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 480px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  transform: translateY(-20px);
  transition: transform var(--transition-normal);
  text-align: left;
}

.share-overlay.active .share-modal {
  transform: translateY(0);
}

.share-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed rgba(244, 63, 94, 0.2);
  padding-bottom: 1rem;
  margin-bottom: 1.2rem;
}

.share-modal-header h3 {
  font-size: 1.25rem;
  color: var(--text-dark);
}

.close-modal-btn {
  background: transparent;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-fast);
  line-height: 1;
}

.close-modal-btn:hover {
  color: var(--primary-pink);
}

.share-modal-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  line-height: 1.5;
}

.share-link-copy-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.share-link-copy-box input {
  flex: 1;
  padding: 0.8rem 1rem;
  border: 2px solid var(--bg-pastel-pink-darker);
  border-radius: var(--radius-md);
  font-family: var(--font-eng);
  font-size: 0.9rem;
  outline: none;
  background: var(--bg-pastel-pink);
  color: var(--text-dark);
}

.share-link-copy-box button {
  background: var(--primary-pink);
  color: var(--white);
  border: none;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-thai);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.share-link-copy-box button:hover {
  background: var(--primary-pink-hover);
}

.toast-message {
  font-size: 0.85rem;
  color: var(--pastel-mint-text);
  font-weight: 700;
  display: block;
  margin-bottom: 1.2rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.toast-message.active {
  opacity: 1;
}

.share-social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 1rem;
}

.share-social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0.5rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dark);
  transition: var(--transition-fast);
}

.share-social-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.line-item {
  background: hsl(140, 50%, 94%);
  color: hsl(140, 60%, 25%);
}

.facebook-item {
  background: hsl(214, 50%, 93%);
  color: hsl(214, 60%, 30%);
}

.twitter-item {
  background: hsl(220, 20%, 92%);
  color: hsl(220, 20%, 20%);
}

/* Responsive adjustments for headers and share buttons */
@media (max-width: 576px) {
  .hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
  .share-btn {
    position: static !important;
    margin-top: 0.5rem !important;
  }
}

/* --- AUTOPLAY PROGRESS & TOGGLE BUTTONS --- */
.autoplay-progress-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--bg-pastel-pink-darker);
  z-index: 10;
  overflow: hidden;
}

.autoplay-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary-pink), hsl(320, 80%, 70%));
  transition: width 0.1s linear; /* Smooth progress animation */
}

.autoplay-btn {
  background: var(--primary-pink-light);
  border: 2px solid transparent;
  color: var(--primary-pink-hover);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-xl);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.autoplay-btn:hover {
  background: var(--primary-pink);
  color: var(--white);
  transform: translateY(-1px);
}

.autoplay-btn.playing {
  background: var(--pastel-mint);
  color: var(--pastel-mint-text);
}

@media (max-width: 576px) {
  .navigation-bar {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  .autoplay-btn {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .progress-indicator {
    order: 2;
  }
}

/* --- ALPHABET INDEX BAR STYLES --- */
.alphabet-bar-container {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px dashed hsl(325, 60%, 92%);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.alphabet-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  justify-content: center;
}

.alphabet-btn {
  background: var(--white);
  border: 1px solid var(--bg-pastel-pink-darker);
  color: var(--text-dark);
  font-family: var(--font-eng);
  font-weight: 600;
  font-size: 0.85rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.alphabet-btn:hover {
  background: var(--primary-pink-light);
  color: var(--primary-pink);
  border-color: var(--primary-pink);
  transform: scale(1.1);
}

.alphabet-btn.active {
  background: var(--primary-pink);
  color: var(--white);
  border-color: var(--primary-pink);
  box-shadow: 0 4px 10px rgba(219, 112, 147, 0.3);
}

.alphabet-btn[data-letter="all"] {
  width: auto;
  padding: 0 0.8rem;
  border-radius: 12px;
}

/* --- ONBOARDING & LOGIN OVERLAY --- */
.onboarding-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 30%, hsl(340, 100%, 97%) 0%, var(--bg-pastel-pink-darker) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  padding: 1.5rem;
}

.onboarding-overlay.active {
  opacity: 1;
  visibility: visible;
}

.onboarding-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 20px 40px rgba(244, 63, 94, 0.15);
  border: 4px solid var(--primary-pink-light);
  text-align: center;
  animation: popOnboard 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes popOnboard {
  from { transform: scale(0.8) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.onboarding-logo {
  font-family: var(--font-eng);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-pink);
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 0 var(--primary-pink-light);
}

.onboarding-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.onboarding-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.onboard-form-group {
  text-align: left;
  margin-bottom: 1.5rem;
}

.onboard-form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.onboard-form-group input,
.onboard-form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--bg-pastel-pink-darker);
  border-radius: var(--radius-md);
  outline: none;
  font-family: var(--font-thai);
  font-size: 0.95rem;
  background: var(--white);
  transition: var(--transition-fast);
}

.onboard-form-group input:focus,
.onboard-form-group select:focus {
  border-color: var(--primary-pink);
  box-shadow: 0 0 0 4px var(--primary-pink-light);
}

.onboard-submit-btn {
  width: 100%;
  padding: 0.9rem;
  border: none;
  background: linear-gradient(135deg, var(--primary-pink), hsl(320, 80%, 70%));
  color: var(--white);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: var(--radius-xl);
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(244, 63, 94, 0.3);
  transition: var(--transition-fast);
}

.onboard-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(244, 63, 94, 0.4);
}

/* --- USER STATUS BAR --- */
.user-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  padding: 0.6rem 1.2rem;
  margin-top: 1rem;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 0.8rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
}

.user-avatar {
  background: var(--primary-pink-light);
  padding: 0.2rem 0.4rem;
  border-radius: 50%;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.header-lang-select {
  padding: 0.4rem 1.5rem 0.4rem 0.6rem;
  border: 1px solid var(--primary-pink-light);
  border-radius: 12px;
  background: var(--white);
  font-family: var(--font-thai);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  outline: none;
  position: relative;
}

.header-lang-select:focus {
  border-color: var(--primary-pink);
}

.admin-panel-btn, .logout-btn-header {
  padding: 0.4rem 0.8rem;
  border: none;
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.admin-panel-btn {
  background: var(--pastel-yellow);
  color: var(--pastel-yellow-text);
}

.admin-panel-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.logout-btn-header {
  background: var(--bg-pastel-pink-darker);
  color: var(--primary-pink-hover);
}

.logout-btn-header:hover {
  background: var(--primary-pink-light);
}

/* --- FEEDBACK SECTION --- */
.feedback-section {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  margin-top: 1rem;
}

.feedback-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feedback-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
}

.feedback-form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
}

.feedback-form-group input,
.feedback-form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--bg-pastel-pink-darker);
  border-radius: var(--radius-md);
  outline: none;
  font-family: var(--font-thai);
  font-size: 0.95rem;
  background: var(--white);
  transition: var(--transition-fast);
  resize: vertical;
}

.feedback-form-group input:focus,
.feedback-form-group textarea:focus {
  border-color: var(--primary-pink);
  box-shadow: 0 0 0 4px var(--primary-pink-light);
}

.feedback-submit-btn {
  align-self: flex-start;
  padding: 0.7rem 2rem;
  border: none;
  background: var(--primary-pink);
  color: var(--white);
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-xl);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.feedback-submit-btn:hover {
  background: var(--primary-pink-hover);
  transform: translateY(-1px);
}

/* --- ADMIN OVERLAY --- */
.admin-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.admin-overlay.active {
  opacity: 1;
  visibility: visible;
}

.admin-dashboard-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px;
  height: 90%;
  max-height: 700px;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--primary-pink-light);
  overflow: hidden;
  animation: popOnboard 0.4s ease forwards;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 2px dashed var(--bg-pastel-pink-darker);
  padding-bottom: 0.8rem;
}

.admin-header h2 {
  font-size: 1.5rem;
  color: var(--text-dark);
  font-weight: 800;
}

.close-admin-btn {
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  transition: var(--transition-fast);
}

.close-admin-btn:hover {
  color: var(--primary-pink-hover);
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.admin-stat-card {
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.admin-stat-card.card-pink { background: var(--primary-pink-light); color: var(--primary-pink-hover); }
.admin-stat-card.card-yellow { background: var(--pastel-yellow); color: var(--pastel-yellow-text); }
.admin-stat-card.card-blue { background: var(--pastel-blue); color: var(--pastel-blue-text); }

.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-eng);
}

.stat-lbl {
  font-size: 0.85rem;
  font-weight: 700;
}

.admin-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--bg-pastel-pink-darker);
}

.admin-tab-btn {
  padding: 0.6rem 1.2rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 3px solid transparent;
  transition: var(--transition-fast);
}

.admin-tab-btn.active {
  color: var(--primary-pink);
  border-bottom-color: var(--primary-pink);
}

.admin-tab-content {
  flex: 1;
  overflow-y: auto;
}

.table-container {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--bg-pastel-pink-darker);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
}

th {
  background: var(--bg-pastel-pink-darker);
  color: var(--text-dark);
  font-weight: 700;
}

tr:nth-child(even) {
  background: var(--bg-pastel-pink);
}

td {
  border-bottom: 1px solid var(--bg-pastel-pink-darker);
  color: var(--text-dark);
}

/* --- SPEED CONTROLS inside card --- */
.audio-speed-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  background: var(--bg-pastel-pink);
  padding: 0.3rem 0.8rem;
  border-radius: 12px;
  width: fit-content;
}

.audio-speed-control span {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-pink-hover);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.speed-btn {
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--white);
  border: 1px solid var(--primary-pink-light);
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.speed-btn:hover {
  background: var(--primary-pink-light);
  color: var(--primary-pink-hover);
}

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

/* --- SEARCH SUGGESTIONS DROPDOWN --- */
.search-suggestions-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  max-height: 380px;
  overflow-y: auto;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 2px solid var(--primary-pink);
  box-shadow: var(--shadow-lg);
  margin-top: 0.5rem;
  z-index: 1000;
  display: none;
  flex-direction: column;
}

/* Custom styling for scrollbar in dropdown */
.search-suggestions-dropdown::-webkit-scrollbar {
  width: 8px;
}

.search-suggestions-dropdown::-webkit-scrollbar-track {
  background: transparent;
}

.search-suggestions-dropdown::-webkit-scrollbar-thumb {
  background: var(--primary-pink-light);
  border-radius: 4px;
}

.search-suggestions-dropdown::-webkit-scrollbar-thumb:hover {
  background: var(--primary-pink);
}

.search-suggestion-item {
  padding: 0.85rem 1.2rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(244, 63, 94, 0.08);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.search-suggestion-item:last-child {
  border-bottom: none;
}

.search-suggestion-item:hover {
  background: var(--primary-pink-light);
  transform: translateX(3px);
}

.search-suggestion-left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: flex-start;
  max-width: 60%;
}

.search-suggestion-word {
  font-family: var(--font-eng);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-dark);
}

.search-suggestion-phonetic {
  font-family: var(--font-thai);
  font-size: 0.8rem;
  color: var(--primary-pink);
  font-weight: 600;
  background: rgba(244, 63, 94, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  display: inline-block;
}

.search-suggestion-right {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 40%;
  justify-content: flex-end;
}

.search-suggestion-meaning {
  font-family: var(--font-thai);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: right;
  word-break: break-word;
}

.search-suggestion-action {
  width: 100%;
  padding: 0.8rem 1.2rem;
  text-align: center;
  font-family: var(--font-thai);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-pink-hover);
  background: var(--bg-pastel-pink);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-top: 1px solid var(--primary-pink-light);
}

.search-suggestion-action:hover {
  background: var(--primary-pink-light);
  color: var(--primary-pink);
}

/* --- INLINE SEARCH RESULTS (SMART DICTIONARY) --- */
.search-inline-results {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
  width: 100%;
}

.inline-result-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2.5px solid var(--primary-pink-light);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
}

.inline-result-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.inline-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1.5px solid rgba(244, 63, 94, 0.08);
  padding-bottom: 0.75rem;
}

.inline-card-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.inline-card-vocab {
  font-family: var(--font-eng);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary-pink-hover);
}

.inline-card-phonetics-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.inline-card-ipa {
  color: var(--text-muted);
}

.inline-card-thai-phonetic {
  color: var(--primary-pink);
  font-weight: 700;
  background: var(--primary-pink-light);
  padding: 2px 8px;
  border-radius: 6px;
}

.inline-card-meaning {
  font-family: var(--font-thai);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-top: 0.5rem;
  border-left: 4px solid var(--primary-pink);
  padding-left: 0.75rem;
}

.inline-card-sentences-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: rgba(255, 105, 180, 0.05);
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
}

.inline-card-sentence-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  border-bottom: 1px dashed rgba(244, 63, 94, 0.1);
  padding-bottom: 0.5rem;
}

.inline-card-sentence-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.inline-card-sentence-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.inline-card-sentence-eng {
  font-family: var(--font-eng);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.inline-card-sentence-thai {
  font-family: var(--font-thai);
  font-size: 0.95rem;
  color: var(--text-muted);
  padding-left: 0.25rem;
}

.inline-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 0.5rem;
}

.inline-speak-btn {
  background: none;
  border: 1.5px solid var(--primary-pink);
  color: var(--primary-pink);
  font-size: 0.8rem;
  padding: 2px 8px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
  font-weight: 700;
}

.inline-speak-btn:hover {
  background: var(--primary-pink-light);
}

.inline-card-btn {
  font-family: var(--font-thai);
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.inline-card-btn-master {
  background: var(--primary-pink-light);
  color: var(--primary-pink-hover);
}

.inline-card-btn-master.mastered {
  background: var(--pastel-yellow);
  color: var(--pastel-yellow-text);
}

.inline-card-btn-learn {
  background: var(--primary-pink);
  color: var(--white);
}

.inline-card-btn-learn:hover {
  background: var(--primary-pink-hover);
}




/* Custom CSS for Sentence Speed Toggle */
.sentence-speed-toggle {
  display: inline-flex;
  background: var(--bg-pastel-pink-darker);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(244, 63, 94, 0.1);
}

.speed-toggle-btn {
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: calc(var(--radius-sm) - 2px);
  font-family: var(--font-thai);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.speed-toggle-btn:hover {
  color: var(--primary-pink-hover);
}

.speed-toggle-btn.active {
  background: var(--white);
  color: var(--primary-pink);
  box-shadow: var(--shadow-sm);
}