.tool-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.tool-header {
  text-align: center;
  margin-bottom: 40px;
}

.tool-icon-large {
  font-size: 48px;
  color: #3498db;
  margin-bottom: 20px;
}

.tool-description {
  color: #666;
  font-size: 18px;
  margin-top: 10px;
}

.tool-body {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.password-container {
  display: flex;
  margin-bottom: 20px;
}

.password-input {
  flex: 1;
  padding: 15px;
  font-size: 18px;
  border: 2px solid #ddd;
  border-radius: 8px 0 0 8px;
  outline: none;
}

.copy-button {
  padding: 15px 20px;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

.copy-button:hover {
  background-color: #2980b9;
}

.options-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}

.option-group {
  flex: 1;
  min-width: 200px;
}

.option-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
  color: #333;
}

.option-group input[type="number"] {
  width: 100%;
  padding: 10px;
  font-size: 16px;
  border: 2px solid #ddd;
  border-radius: 4px;
  outline: none;
}

.checkbox-group {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.checkbox-group input[type="checkbox"] {
  margin-right: 10px;
}

.generate-button {
  width: 100%;
  padding: 15px;
  background-color: #2ecc71;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  transition: background-color 0.3s;
}

.generate-button:hover {
  background-color: #27ae60;
}

.batch-generation {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid #eee;
}

.password-list {
  margin-top: 20px;
  max-height: 300px;
  overflow-y: auto;
}

.password-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border: 1px solid #eee;
  border-radius: 4px;
  margin-bottom: 10px;
}

.back-to-category {
  display: inline-flex;
  align-items: center;
  margin-top: 40px;
  padding: 10px 20px;
  background-color: #f1f1f1;
  color: #333;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.back-to-category:hover {
  background-color: #e1e1e1;
}

.back-to-category i {
  margin-right: 10px;
}

#batch-count {
  margin-bottom: 12px;
}

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