/* 登录页面样式 */

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-md);
}

.login-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 400px;
}

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

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.login-header .title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
}

.login-form {
  margin-bottom: var(--spacing-md);
}

.login-footer {
  text-align: center;
}

.forgot-link {
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color 0.2s ease;
}

.forgot-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* 加载状态 */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-white);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
  top: 50%;
  left: 50%;
  margin: -8px 0 0 -8px;
}

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