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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 2rem;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 2rem;
  align-items: start;
}

.setup-card, .help-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  padding: 2.5rem;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid #f0f0f0;
}

.header h1 {
  font-size: 2rem;
  color: #667eea;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #666;
  font-size: 1.1rem;
}

.section {
  margin-bottom: 2.5rem;
}

.section h2 {
  font-size: 1.3rem;
  color: #333;
  margin-bottom: 0.5rem;
}

.section-description {
  color: #666;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #444;
  font-size: 0.95rem;
}

.required {
  color: #e74c3c;
}

.tooltip {
  cursor: help;
  margin-left: 0.25rem;
  color: #667eea;
  position: relative;
}

.tooltip-popup {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  white-space: nowrap;
  z-index: 1000;
  margin-bottom: 0.5rem;
  font-weight: normal;
}

.tooltip-popup::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #333;
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="number"] {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus {
  outline: none;
  border-color: #667eea;
}

input:invalid:not(:placeholder-shown) {
  border-color: #e74c3c;
}

.help-text {
  display: block;
  color: #999;
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.help-text a {
  color: #667eea;
  text-decoration: none;
}

.help-text a:hover {
  text-decoration: underline;
}

.actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid #f0f0f0;
}

.btn {
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: white;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-secondary:hover:not(:disabled) {
  background: #f8f9ff;
}

.status-message {
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  font-weight: 500;
}

.status-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.status-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.status-message.info {
  background: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

.status-message.hidden {
  display: none;
}

.loading {
  text-align: center;
  padding: 2rem;
  margin-top: 1rem;
}

.loading.hidden {
  display: none;
}

.spinner {
  border: 4px solid #f0f0f0;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.help-card {
  position: sticky;
  top: 2rem;
}

.help-card h3 {
  color: #667eea;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.help-section {
  margin-bottom: 1.5rem;
}

.help-section h4 {
  color: #444;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.help-section ol, .help-section ul {
  margin-left: 1.5rem;
  color: #666;
  line-height: 1.8;
}

.help-section li {
  margin-bottom: 0.5rem;
}

.help-section code {
  background: #f5f5f5;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: #667eea;
}

.help-section strong {
  color: #667eea;
}

@media (max-width: 968px) {
  .container {
    grid-template-columns: 1fr;
  }

  .help-card {
    position: static;
  }

  body {
    padding: 1rem;
  }

  .setup-card, .help-card {
    padding: 1.5rem;
  }

  .header h1 {
    font-size: 1.5rem;
  }

  .actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}