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

body {
  font-family: 'Poppins', sans-serif;
  background-color: #f5f7fa;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
  padding: 20px 0;
  background: linear-gradient(135deg, #6e8efb, #a777e3);
  color: white;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

section {
  background: white;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

h2 {
  margin-bottom: 20px;
  color: #444;
  font-weight: 600;
}

.refresh-container {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

button {
  background-color: #6e8efb;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #5a7df7;
}

button:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
}

.loading {
  margin-left: 15px;
  color: #666;
}

.keywords-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

.keyword-card {
  background: #f9f9f9;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 15px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.keyword-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.keyword-card.selected {
  border: 2px solid #6e8efb;
  background-color: #f0f4ff;
}

.keyword-name {
  font-weight: 500;
  margin-bottom: 5px;
}

.keyword-score {
  font-size: 0.9rem;
  color: #888;
}

.selected-keyword {
  margin-bottom: 20px;
  padding: 10px;
  background-color: #f0f4ff;
  border-radius: 5px;
}

.prompt-result {
  margin-top: 30px;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 20px;
}

.prompt-content {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 5px;
  margin-top: 15px;
}

#prompt-title {
  margin-bottom: 15px;
  color: #333;
}

#prompt-body {
  white-space: pre-wrap;
  line-height: 1.7;
}

.copy-container {
  margin-top: 20px;
  display: flex;
  align-items: center;
}

.copy-success {
  margin-left: 10px;
  color: #4CAF50;
}

footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px 0;
  color: #777;
}

.hidden {
  display: none;
}

@media (max-width: 768px) {
  .keywords-container {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  header h1 {
    font-size: 2rem;
  }
}