body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 20px;
  background-color: #f5f5f5;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1, h2, h3 {
  color: #2c3e50;
}

.auth-section {
  margin-bottom: 30px;
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 20px;
  background: #f9f9f9;
}

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

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  border-bottom: 3px solid transparent;
}

.tab-btn.active {
  border-bottom: 3px solid #3498db;
  font-weight: bold;
}

.tab-content {
  display: none;
}

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

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

button {
  background-color: #3498db;
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

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

.protected-section {
  margin-top: 30px;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 5px;
  background: #f9f9f9;
}

.token-display {
  margin-bottom: 20px;
}

.protected-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.response-container {
  background: #333;
  color: white;
  padding: 15px;
  border-radius: 5px;
}

#api-response {
  white-space: pre-wrap;
  word-wrap: break-word;
  background: #222;
  padding: 10px;
  border-radius: 4px;
  max-height: 300px;
  overflow-y: auto;
}