.signin-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: linear-gradient(
    135deg,
    var(--color-primary-light) 0%,
    var(--color-secondary-light) 100%
  );
}

.auth-container {
  background: white;
  padding: var(--spacing-xl);
  border-radius: 12px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  color: var(--color-text);
  font-weight: 500;
}

.form-group input {
  padding: var(--spacing-sm);
  border: 2px solid #e2e8f0;
  border-radius: 6px;
  transition: border-color 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.auth-button {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  color: white;
  padding: var(--spacing-md);
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  transition: opacity 0.3s ease;
  margin-top: var(--spacing-md);
  cursor: pointer;
}

.auth-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.auth-footer a {
  color: var(--color-primary);
  text-decoration: underline;
}

.error-message {
  color: #dc2626;
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.error-message.visible {
  display: block;
}

.loading-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid #fff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading .loading-spinner {
  display: block;
}