body {
  font-family: 'Poppins', sans-serif;
  background-color: #f0f8ff;
  color: #333;
  margin-top: 70px;
  font-size: 16px;
  padding: 0 15px;
}

.bg-primary {
  --bs-bg-opacity: 1;
  background-color: #1e90ff !important;
}

.navbar {
  background-color: #1e90ff !important;
}

.navbar-custom {
  background-color: #1e90ff;
  transition: top 0.3s;
  font-size: 14px;
}

header {
  background-color: #1e90ff;
  color: white;
  text-align: left;
  padding: 1em 0;
}

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

#websiteInfo {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  margin: 20px auto;
  max-width: 800px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#websiteInfo ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

#websiteInfo li {
  margin-bottom: 10px;
  color: #333;
  font-size: 16px;
}

#websiteInfo li:last-child {
  margin-bottom: 0;
}

.form-control {
  border: 2px solid #1e90ff;
  background-color: white;
  color: #333;
  font-size: 16px;
  padding: 10px;
  border-radius: 8px;
}

.form-control:focus {
  border-color: #1e90ff;
  box-shadow: 0 0 0 0.2rem rgba(30, 144, 255, 0.25);
  outline: none;
}

.btn-primary {
  background-color: #1e90ff;
  border: none;
  color: white;
  font-size: 16px;
  padding: 10px 20px;
  border-radius: 8px;
  transition: transform 0.2s;
}

.btn-primary:hover {
  background-color: #187bcd;
  transform: scale(1.05);
}

.btn-secondary {
  background-color: white;
  border: 2px solid #1e90ff;
  color: #1e90ff;
  font-size: 16px;
  padding: 10px 20px;
  border-radius: 8px;
  transition: transform 0.2s;
}

.btn-secondary:hover {
  background-color: #f0f8ff;
  transform: scale(1.05);
}

.btn-danger {
  background-color: #dc3545;
  border: none;
  color: white;
  font-size: 16px;
  padding: 10px 20px;
  border-radius: 8px;
  transition: transform 0.2s;
}

.btn-danger:hover {
  background-color: #c82333;
  transform: scale(1.05);
}

#shortTextSection, #translationSection {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  margin-top: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  word-wrap: break-word;
}

#shortText, #translationExplanation {
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  margin-bottom: 20px;
  white-space: pre-wrap;
  word-break: break-word;
}

#wordList {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  margin-top: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#wordsContainer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

#wordsContainer button {
  background-color: #f0f8ff;
  border: 1px solid #1e90ff;
  color: #1e90ff;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 14px;
  transition: all 0.2s;
}

#wordsContainer button:hover {
  background-color: #1e90ff;
  color: white;
  transform: scale(1.05);
}

h2, h3 {
  color: #1e90ff;
  font-weight: 600;
  margin-bottom: 20px;
}

.form-label {
  color: #1e90ff;
  font-weight: 500;
  font-size: 16px;
  margin-bottom: 10px;
}

/* Navbar brand styling */
.navbar-brand {
  color: white !important;
  font-weight: 500;
}

.navbar-brand:hover {
  color: #f0f8ff !important;
}

/* 모바일 뷰포트용 스타일 */
@media (max-width: 600px) {
  header {
    text-align: left;
    padding: 0.5em 2rem;
    font-size: 14px;
  }

  main {
    margin: 1em;
  }

  input[type="text"] {
    padding: 0.5em;
  }

  button {
    padding: 0.5em;
    font-size: 0.9em;
  }

  .keyword-list {
    padding: 0;
    margin: 0;
  }

  .keyword-list-horizontal {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }

  .keyword-list-horizontal li {
    padding: 0.5em;
    background-color: #282a9b;
    border: 1px solid #ccc;
    cursor: pointer;
    transition: background-color 0.3s;
    color: #f7f4f5;
    text-align: left;
    margin: 0;
    font-size: 14px;
  }

  #sentenceList li {
    flex-direction: column;
    align-items: flex-start;
  }

  .try-more-title {
    font-size: 1.2em;
  }

  .keyword-headline {
    font-size: 1.5em;
    font-family: 'Poppins', sans-serif;
    color: #0af150;
  }

  #shortText {
    font-size: 16px;
    line-height: 2;
    margin-bottom: 16px;
    color: #333;
  }

  .loading-text {
    color: #FF5733;
  }
}

/* 모바일 화면에서의 스타일 */
@media screen and (max-width: 768px) {
  body {
    font-size: 14px;
    padding: 0 10px;
  }

  #shortText, #translationExplanation {
    font-size: 14px;
    line-height: 1.5;
    color: #333 !important;
    display: block !important;
  }

  #shortTextSection, #translationSection {
    display: block !important;
    background-color: white;
    color: #333;
  }

  .container {
    padding: 0 10px;
  }

  .btn {
    font-size: 14px;
    padding: 8px 15px;
  }
}

/* 작은 모바일 화면에서의 스타일 */
@media screen and (max-width: 480px) {
  body {
    font-size: 13px;
    padding: 0 5px;
  }

  #shortText, #translationExplanation {
    font-size: 13px;
    line-height: 1.4;
    color: #333 !important;
    display: block !important;
  }

  #shortTextSection, #translationSection {
    display: block !important;
    background-color: white;
    color: #333;
  }

  .container {
    padding: 0 5px;
  }

  .btn {
    font-size: 13px;
    padding: 6px 12px;
  }
}

.text-container {
  margin: 20px 0;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background-color: #fff;
  display: none;
}

.short-text {
  margin-bottom: 20px;
  line-height: 1.8;
  white-space: pre-wrap;
  font-size: 16px;
  color: #333;
}

.button-container {
  display: flex;
  justify-content: center;
  margin-bottom: 15px;
}

.generate-button {
  padding: 10px 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s ease;
  position: relative;
}

.generate-button:hover {
  background-color: #45a049;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.generate-button:hover::after {
  content: attr(title);
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 14px;
  white-space: nowrap;
  z-index: 1;
}

/* 모바일 반응형 스타일 */
@media (max-width: 768px) {
  .text-container {
    padding: 15px;
  }

  .short-text {
    font-size: 14px;
  }

  .generate-button {
    padding: 8px 16px;
    font-size: 14px;
  }

  .generate-button:hover::after {
    font-size: 12px;
    bottom: -25px;
  }
}

.action-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.button-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.spinner {
  width: 40px;
  height: 40px;
  position: relative;
}

.spinner-inner {
  width: 100%;
  height: 100%;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #2196F3;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.action-button {
  width: 50px;
  height: 50px;
  background-color: #2196F3;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  position: relative;
}

.action-button:hover:not(:disabled) {
  background-color: #1976D2;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.action-button:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
  opacity: 0.7;
}

.action-button:hover:not(:disabled)::after {
  content: attr(title);
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 14px;
  white-space: nowrap;
  z-index: 1;
}

#stopButton {
  background-color: #f44336;
}

#stopButton:hover:not(:disabled) {
  background-color: #d32f2f;
}

/* 모바일 반응형 스타일 */
@media (max-width: 768px) {
  .action-button {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .spinner {
    width: 30px;
    height: 30px;
  }

  .spinner-inner {
    border-width: 3px;
  }

  .action-button:hover:not(:disabled)::after {
    font-size: 12px;
    bottom: -25px;
  }
}

.input-section {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}