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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #2c3e50;
  background-color: #ffffff;
}

/* Utility classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles */
*:focus {
  outline: 2px solid #3498db;
  outline-offset: 2px;
}

/* Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: #3498db;
  color: white;
  border-color: #3498db;
}

.btn-primary:hover {
  background-color: #2980b9;
  border-color: #2980b9;
}

.btn-secondary {
  background-color: #ecf0f1;
  color: #2c3e50;
  border-color: #bdc3c7;
}

.btn-secondary:hover {
  background-color: #d5dbdd;
  border-color: #95a5a6;
}

/* Status indicator */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.status-saved {
  background-color: #d5f4e6;
  color: #27ae60;
}

.status-saving {
  background-color: #fef9e7;
  color: #f39c12;
}

.status-error {
  background-color: #fadbd8;
  color: #e74c3c;
}

/* Form styles */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #bdc3c7;
  border-radius: 4px;
  font-size: 14px;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  border-color: #3498db;
  outline: none;
}

.form-error {
  color: #e74c3c;
  font-size: 12px;
  margin-top: 0.25rem;
}

/* Loading spinner */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid #ecf0f1;
  border-top: 2px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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