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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  color: #333;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: 40px;
}

header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f0f0f0;
}

header h1 {
  font-size: 2.5em;
  color: #667eea;
  margin-bottom: 10px;
}

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

h2 {
  color: #333;
  margin-bottom: 20px;
  font-size: 1.5em;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0e0e0;
}

.auth-section,
.migration-section,
.progress-section,
.logs-section {
  margin-bottom: 30px;
  padding: 20px;
  background: #f9f9f9;
  border-radius: 8px;
}

.auth-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.auth-item {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.btn {
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  justify-content: center;
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.btn-google {
  background: #4285f4;
  color: white;
}

.btn-google:hover:not(:disabled) {
  background: #357ae8;
}

.btn-google.connected {
  background: #34a853;
}

.btn-ms {
  background: #0078d4;
  color: white;
}

.btn-ms:hover:not(:disabled) {
  background: #106ebe;
}

.btn-ms.connected {
  background: #107c10;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 18px;
  padding: 15px 30px;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.9;
}

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

.btn-secondary:hover:not(:disabled) {
  background: #5a6268;
}

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

.btn-danger:hover:not(:disabled) {
  background: #c82333;
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ccc;
  transition: background 0.3s ease;
}

.status-indicator.connected {
  background: #34a853;
  box-shadow: 0 0 8px rgba(52, 168, 83, 0.5);
}

.config-panel {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.config-item {
  flex: 1;
  min-width: 150px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.config-item label {
  font-weight: 600;
  color: #555;
}

.config-item input {
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.help-text {
  font-size: 12px;
  color: #999;
}

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

.progress-container {
  margin-bottom: 15px;
}

.progress-bar {
  width: 100%;
  height: 30px;
  background: #e0e0e0;
  border-radius: 15px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  width: 0%;
  transition: width 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  color: #555;
}

.progress-message {
  text-align: center;
  color: #666;
  font-style: italic;
  margin-top: 10px;
}

.logs-container {
  max-height: 300px;
  overflow-y: auto;
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 15px;
  border-radius: 6px;
  font-family: "Courier New", monospace;
  font-size: 13px;
  line-height: 1.6;
}

.log-entry {
  margin-bottom: 5px;
  padding: 4px 0;
}

.log-info {
  color: #4ec9b0;
}

.log-success {
  color: #4ec9b0;
  font-weight: 600;
}

.log-error {
  color: #f48771;
  font-weight: 600;
}

.log-warning {
  color: #dcdcaa;
}

/* Scrollbar styling */
.logs-container::-webkit-scrollbar {
  width: 8px;
}

.logs-container::-webkit-scrollbar-track {
  background: #2d2d2d;
}

.logs-container::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 4px;
}

.logs-container::-webkit-scrollbar-thumb:hover {
  background: #777;
}

@media (max-width: 768px) {
  .container {
    padding: 20px;
  }

  header h1 {
    font-size: 2em;
  }

  .auth-buttons {
    flex-direction: column;
  }

  .migration-controls {
    flex-direction: column;
  }

  .config-panel {
    flex-direction: column;
  }
}