body {
  font-family: Arial, Helvetica, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
}

.container {
  background: #f9f9f9;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input[type="file"],
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}

.form-group textarea {
  height: 80px;
  resize: vertical;
}

button {
  background: #007cba;
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background: #005a8b;
}

.hidden {
  display: none;
}

#result {
  margin-top: 20px;
  padding: 15px;
  background: #e8f5e8;
  border-radius: 4px;
  border: 1px solid #c3e6c3;
}

#loading {
  margin-top: 20px;
  padding: 15px;
  background: #fff3cd;
  border-radius: 4px;
  border: 1px solid #ffeaa7;
  text-align: center;
}

#resultContent {
  background: #f8f9fa;
  padding: 10px;
  border-radius: 4px;
  overflow-x: auto;
  white-space: pre-wrap;
}

/* Tabs */
.tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid #ddd;
}

.tab-button {
  background: none;
  border: none;
  padding: 12px 24px;
  cursor: pointer;
  font-size: 16px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.tab-button:hover {
  background: #f5f5f5;
}

.tab-button.active {
  color: #007cba;
  border-bottom-color: #007cba;
  background: #f9f9f9;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.form-group label {
  display: flex;
  align-items: center;
}

.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}