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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

@media (max-width: 768px) {
  body {
    padding: 10px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
  }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .container {
    max-width: 100%;
  }
}

header {
  text-align: center;
  color: white;
  margin-bottom: 40px;
  padding: 20px;
}

.main-nav {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.nav-link {
  padding: 10px 20px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

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

@media (max-width: 768px) {
  .main-nav {
    margin-top: 15px;
    gap: 8px;
  }

  .nav-link {
    padding: 10px 16px;
    font-size: 0.9rem;
    border-radius: 10px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
}

header nav {
  margin-top: 15px;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
}

@media (max-width: 768px) {
  header {
    margin-bottom: 20px;
    padding: 15px 10px;
  }

  header h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    line-height: 1.2;
  }

  .subtitle {
    font-size: 1rem;
  }
}

main {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  main {
    padding: 20px 15px;
    border-radius: 16px;
  }
}

.search-box {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
}

#searchInput {
  flex: 1;
  padding: 15px;
  font-size: 1.1rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  transition: border-color 0.3s;
}

@media (max-width: 768px) {
  .search-box {
    gap: 8px;
    margin-bottom: 20px;
    flex-direction: row;
  }

  #searchInput {
    padding: 12px 14px;
    font-size: 16px; /* Prevents zoom on iOS */
    border-radius: 10px;
    min-height: 44px; /* Touch-friendly size */
  }
}

#searchInput:focus {
  outline: none;
  border-color: #667eea;
}

button[type="submit"] {
  padding: 15px 30px;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  font-weight: 600;
  white-space: nowrap;
}

button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

button[type="submit"]:active {
  transform: translateY(0);
}

@media (max-width: 768px) {
  button[type="submit"] {
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 10px;
    min-width: 80px;
  }
}

.loading {
  text-align: center;
  padding: 20px;
  color: #667eea;
  font-size: 1.1rem;
}

.error {
  background: #fee;
  color: #c33;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  border-left: 4px solid #c33;
}

.results {
  margin-top: 20px;
}

.results iframe {
  width: 100%;
  min-height: 600px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
}

.results-content {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 20px;
  background: #f9f9f9;
}

/* RTL support for Hebrew/Yiddish text */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

/* Choice container and choices */
.choice_container {
  margin-bottom: 20px;
  padding: 15px;
  background: #f5f5f5;
  border-radius: 8px;
}

.choice_box {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.choice_box .option {
  padding: 8px 15px;
  background: white;
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

@media (max-width: 768px) {
  .choice_container {
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 10px;
  }

  .choice_box {
    gap: 8px;
    margin-top: 8px;
  }

  .choice_box .option {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    min-height: 44px; /* Touch-friendly size */
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.choice_box .option:hover {
  border-color: #667eea;
  background: #f0f0ff;
}

.choice_box .option.selected {
  background: #667eea;
  color: white;
  border-color: #667eea;
}

.choice_box .option.selected a {
  color: white;
}

.choice_box .option a {
  text-decoration: none;
  color: #333;
}

.choice_box .option.extend {
  font-style: italic;
}

.choice_box .sup {
  font-size: 0.7em;
  vertical-align: super;
}

/* Definition styles */
#definition {
  margin-top: 30px;
  padding: 20px;
  background: white;
  border-radius: 8px;
}

#definition .def {
  margin-bottom: 20px;
}

#definition .lemma {
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
}

@media (max-width: 768px) {
  #definition {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
  }

  #definition .def {
    margin-bottom: 15px;
  }

  #definition .lemma {
    font-size: 1.3rem;
  }

  #definition .rtl {
    font-size: 1rem;
  }
}

#definition .gram {
  margin: 10px 0;
  font-style: italic;
  color: #666;
}

#definition .gloss {
  margin: 10px 0;
  padding-left: 20px;
  color: #444;
  line-height: 1.6;
}

#definition .rtl {
  direction: rtl;
  text-align: right;
  margin: 10px 0;
  font-size: 1.1rem;
}

#definition .rtl.sep {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #e0e0e0;
}

#definition .copyright {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 2px solid #e0e0e0;
  font-size: 0.9rem;
  color: #666;
  text-align: center;
}

#definition .copyright a {
  color: #667eea;
  text-decoration: none;
}

#definition .copyright a:hover {
  text-decoration: underline;
}

.alternatives {
  margin: 10px 0;
  font-weight: 600;
  color: #555;
}

@media (max-width: 768px) {
  .alternatives {
    font-size: 0.9rem;
  }

  .results-content {
    padding: 15px !important;
  }

  .loading {
    font-size: 1rem;
    padding: 15px;
  }

  .error {
    font-size: 0.9rem;
    padding: 12px;
  }
}

/* Words page styles */
.stats {
  margin-bottom: 20px;
  padding: 15px;
  background: #f5f5f5;
  border-radius: 8px;
  text-align: center;
}

.stats p {
  margin: 0;
  font-size: 1.1rem;
  color: #333;
}

.stats strong {
  color: #667eea;
  font-size: 1.2rem;
}

.export-btn {
  margin-top: 15px;
  padding: 12px 24px;
  font-size: 1rem;
  background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  font-weight: 600;
}

.export-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(72, 187, 120, 0.4);
}

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

.export-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.words-container {
  margin-top: 20px;
}

.search-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

#filterInput {
  flex: 1;
  padding: 12px 15px;
  font-size: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  transition: border-color 0.3s;
}

#filterInput:focus {
  outline: none;
  border-color: #667eea;
}

.clear-btn {
  padding: 12px 20px;
  font-size: 1rem;
  background: #f5f5f5;
  color: #333;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.clear-btn:hover {
  background: #e0e0e0;
  border-color: #ccc;
}

@media (max-width: 768px) {
  .search-controls {
    flex-direction: column;
  }

  #filterInput {
    font-size: 16px; /* Prevents zoom on iOS */
    min-height: 44px;
  }

  .clear-btn {
    min-height: 44px;
  }
}

.words-list {
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
}

.word-item {
  border-bottom: 1px solid #f0f0f0;
  transition: background-color 0.15s;
}

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

.word-item:hover {
  background-color: #f8f9ff;
}

.word-link {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  text-decoration: none;
  color: #333;
  gap: 12px;
}

.word-term {
  font-size: 1rem;
  font-weight: 600;
  color: #667eea;
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.variant {
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
  margin-left: 8px;
}

.variants-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: #f0f0ff;
  color: #667eea;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-left: auto;
  flex-shrink: 0;
}

.no-results {
  text-align: center;
  padding: 40px 20px;
  color: #666;
  font-size: 1.1rem;
}

@media (max-width: 768px) {
  .word-link {
    padding: 14px 16px;
    flex-wrap: wrap;
  }

  .word-term {
    font-size: 0.95rem;
    width: 100%;
    margin-bottom: 4px;
  }

  .variant {
    font-size: 0.85rem;
    margin-left: 0;
  }

  .variants-badge {
    margin-left: 0;
    margin-top: 4px;
  }
}

/* Words view styles */
.words-view {
  margin-top: 20px;
}

.words-container {
  padding: 20px;
}

.words-count {
  font-size: 1.1rem;
  font-weight: 600;
  color: #667eea;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid #e0e0e0;
}

.words-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.word-card {
  background: white;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 15px;
  transition: all 0.2s;
  cursor: pointer;
}

.word-card:hover {
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
  transform: translateY(-2px);
}

.word-link {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: #333;
  text-decoration: none;
  margin-bottom: 8px;
  word-break: break-word;
}

.word-link:hover {
  color: #667eea;
}

.word-variants {
  font-size: 0.85rem;
  color: #666;
  margin-top: 8px;
  font-style: italic;
}

@media (max-width: 768px) {
  .words-container {
    padding: 15px;
  }

  .words-count {
    font-size: 1rem;
    margin-bottom: 15px;
    padding-bottom: 12px;
  }

  .words-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 15px;
  }

  .word-card {
    padding: 12px;
    border-radius: 10px;
  }

  .word-link {
    font-size: 1rem;
  }

  .word-variants {
    font-size: 0.8rem;
  }
}