/* Reset and base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
  color: white;
}

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

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

.card {
  background: white;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.card h2 {
  color: #2c3e50;
  margin-bottom: 20px;
  font-size: 1.8rem;
  border-bottom: 2px solid #ecf0f1;
  padding-bottom: 10px;
}

.card h3 {
  color: #34495e;
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.features ul {
  list-style: none;
  padding: 0;
}

.features li {
  padding: 8px 0;
  border-bottom: 1px solid #ecf0f1;
}

.features li:last-child {
  border-bottom: none;
}

.user-info {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.user-details p {
  margin-bottom: 10px;
  font-size: 1rem;
}

.user-details strong {
  color: #2c3e50;
  display: inline-block;
  width: 120px;
}

.json-container {
  background: #2d3748;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 15px;
}

.json-container pre {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.4;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Button styles */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background: #5a6268;
  transform: translateY(-1px);
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
  transform: translateY(-1px);
}

/* Responsive design */
@media (max-width: 600px) {
  .container {
    padding: 10px;
  }

  header h1 {
    font-size: 2rem;
  }

  .card {
    padding: 20px;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: ' ...';
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%, 20% { content: ' ...'; }
  40% { content: ' .'; }
  60% { content: ' ..'; }
  80% { content: ' ...'; }
}