/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  flex: 1;
}

/* Logo Styles */
.logo {
  text-align: center;
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.logo-img {
  width: 240px;
  height: 240px;
  object-fit: contain;
  margin-bottom: 1rem;
}

.logo h1 {
  font-size: 2.5rem;
  color: white;
  margin: 0;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  margin: 0;
  margin-top: 0.5rem;
}

/* Top Navigation for Learning Pages */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.top-nav .logo {
  margin-bottom: 0;
}

.back-btn-top {
  background: rgba(255,255,255,0.2);
  color: white;
  border: 2px solid white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.back-btn-top:hover {
  background: white;
  color: #667eea;
}

/* Home Page Styles */
.options {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 3rem;
  flex-direction: row;
}

.option-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  width: 320px;
  min-height: 220px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.option-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.25);
}

.option-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.option-card h2 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 1rem;
}

.option-card p {
  color: #666;
  font-size: 0.95rem;
}

/* Language Selection Styles */
.language-selection {
  text-align: center;
}

.language-selection h2 {
  color: white;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.instruction {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.language-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  position: relative;
}

.language-card.active {
  cursor: pointer;
}

.language-card.active:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.language-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.language-flag {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.language-card h3 {
  color: #333;
  margin-bottom: 0.5rem;
}

.language-card p {
  color: #666;
  font-size: 0.9rem;
}

.coming-soon {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #ff6b6b;
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 15px;
  font-size: 0.7rem;
  font-weight: bold;
}

/* Learning Page Styles */
.learning-content {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin-top: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.language-header {
  text-align: center;
  margin-bottom: 2rem;
}

.language-header h2 {
  color: #333;
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.situations {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.situation {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 1.5rem;
  border-left: 4px solid #667eea;
}

.situation h3 {
  color: #333;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.phrase-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.phrase-item {
  background: white;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.native-phrase {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background: #667eea;
  border-radius: 6px;
  color: white;
}

.english-phrase {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: #e9ecef;
  border-radius: 6px;
  color: #333;
}

.phrase-text {
  flex: 1;
  font-size: 1rem;
  font-weight: 500;
}

.audio-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.2s ease;
  min-width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.native-phrase .audio-btn {
  background: rgba(255,255,255,0.2);
}

.native-phrase .audio-btn:hover {
  background: rgba(255,255,255,0.3);
}

.english-phrase .audio-btn {
  background: rgba(0,0,0,0.1);
}

.english-phrase .audio-btn:hover {
  background: rgba(0,0,0,0.2);
}

/* Advanced Page Styles */
.advanced-content {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin-top: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  text-align: center;
}

.advanced-content h2 {
  color: #333;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.sentence-container {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
}

.sentence {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

#target-word {
  text-decoration: underline;
  font-weight: bold;
  color: #667eea;
}

.translation {
  font-size: 1.2rem;
  color: #666;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.generate-btn {
  background: #667eea;
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.generate-btn:hover {
  background: #5a67d8;
  transform: translateY(-2px);
}

.suggestions-container {
  margin-top: 2rem;
}

#suggestions {
  list-style: none;
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
}

#suggestions li {
  background: #f8f9fa;
  margin-bottom: 0.5rem;
  padding: 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Back Button Styles */
.back-button {
  text-align: center;
  margin-top: 2rem;
}

.back-button button {
  background: rgba(255,255,255,0.2);
  color: white;
  border: 2px solid white;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.back-button button:hover {
  background: white;
  color: #667eea;
}

.learning-content .back-button button,
.advanced-content .back-button button {
  background: #667eea;
  color: white;
  border: 2px solid #667eea;
}

.learning-content .back-button button:hover,
.advanced-content .back-button button:hover {
  background: #5a67d8;
  border-color: #5a67d8;
}

/* Responsive Design */
@media (max-width: 768px) {
  .logo h1 {
    font-size: 2rem;
  }
  
  .logo-img {
    width: 200px;
    height: 200px;
  }
  
  .top-nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .back-btn-top {
    align-self: flex-end;
  }
  
  .options {
    flex-direction: column;
    align-items: center;
  }
  
  .option-card {
    width: 100%;
    max-width: 300px;
    height: auto;
  }
  
  .language-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .situations {
    gap: 1.5rem;
  }
  
  .situation {
    padding: 1rem;
  }
  
  .phrase-item {
    padding: 0.75rem;
  }
  
  .native-phrase,
  .english-phrase {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .phrase-text {
    font-size: 0.95rem;
  }
  
  .sentence {
    font-size: 1.2rem;
  }
  
  .sentence-container {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 0.5rem;
  }
  
  .learning-content,
  .advanced-content {
    padding: 1rem;
  }
  
  .logo h1 {
    font-size: 1.5rem;
  }
  
  .logo-img {
    width: 160px;
    height: 160px;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .footer {
    margin-top: 2rem;
    padding: 0.75rem;
  }
  
  .footer p {
    font-size: 0.8rem;
  }
  
  .language-grid {
    grid-template-columns: 1fr;
  }
}

/* Coming Soon Page Styles */
.coming-soon-content {
  background: white;
  border-radius: 15px;
  padding: 3rem;
  margin-top: 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  text-align: center;
}

.coming-soon-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.coming-soon-content h2 {
  color: #333;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.coming-soon-content .instruction {
  color: #666;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

  .coming-soon-content .subtitle {
    color: #999;
    font-size: 1rem;
    margin-bottom: 2rem;
  }

/* Advanced Word Highlighting Styles */
.word-highlight {
  position: relative;
  color: #667eea;
  text-decoration: underline;
  font-weight: 500;
}

.dari-translation {
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
  background: #764ba2;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  white-space: nowrap;
  z-index: 10;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

  .dari-translation::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: #764ba2;
  }

/* Footer Styles */
.footer {
  background: rgba(0,0,0,0.1);
  color: rgba(255,255,255,0.8);
  text-align: center;
  padding: 1rem;
  margin-top: auto;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.footer p {
  margin: 0;
  font-size: 0.9rem;
}