/* 登录页面样式 */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-image: url('/images/登录页背景-min.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 加载图标旋转动画 */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.ri-loader-4-line {
  animation: spin 1s linear infinite;
}

.login-container {
  width: 100%;
  max-width: 480px;
  min-width: 320px;
  height: auto;
  min-height: 600px;
  max-height: 800px;
  padding: 2rem;
  perspective: 1000px;
}

.login-card {
  position: relative;
  width: 100%;
  height: auto;
  min-height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.login-container.flipped .login-card {
  transform: rotateY(180deg);
}

.login-card-front,
.login-card-back {
  position: absolute;
  width: 100%;
  height: auto;
  min-height: 100%;
  backface-visibility: hidden;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.login-card-back {
  transform: rotateY(180deg);
}

.login-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.login-logo {
  height: 60px;
  margin-bottom: 1rem;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #015c42;
  text-align: center;
}

.login-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  color: #333;
  margin-bottom: 1.5rem;
  text-align: center;
}

.login-form-container {
  margin-bottom: 2rem;
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* OAuth2.0 登录样式 */
.oauth-login-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.login-description {
  text-align: center;
  color: #666;
  margin-bottom: 1rem;
}

.login-description p {
  font-size: 0.95rem;
  line-height: 1.5;
}

.oauth-login-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(135deg, #015c42 0%, #01704e 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.oauth-login-button:hover {
  background: linear-gradient(135deg, #01704e 0%, #015c42 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(1, 92, 66, 0.3);
}

.oauth-login-button:active {
  transform: translateY(0);
}

.oauth-login-button i {
  font-size: 1.25rem;
  opacity: 0.9;
}

.login-tips {
  text-align: center;
  color: #888;
  font-size: 0.85rem;
  margin-top: 1rem;
}

.login-tips p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
}

.login-tips i {
  font-size: 0.95rem;
  color: #999;
}

/* 管理员登录链接样式 */
.admin-login-link {
  position: absolute;
  bottom: 0;
  right: 0;
  margin-top: 1rem;
}

.admin-login-text {
  background: none;
  border: none;
  color: #015c42;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.admin-login-text:hover {
  color: #01704e;
}

/* 管理员登录表单样式 */
.admin-login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #333;
}

.form-input {
  padding: 0.75rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: #015c42;
  box-shadow: 0 0 0 3px rgba(1, 92, 66, 0.1);
}

.form-input::placeholder {
  color: #9ca3af;
}

/* 密码输入框包装器 */
.password-input-wrapper {
  position: relative;
  width: 100%;
}

.password-input-wrapper .form-input {
  padding-right: 3rem;
}

/* 密码切换按钮 */
.password-toggle-button {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: #6b7280;
  cursor: pointer;
  transition: color 0.2s ease;
  font-family: 'remixicon' !important;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
}

.password-toggle-button:hover {
  color: #015c42;
}

.password-toggle-button:focus {
  outline: none;
  color: #015c42;
}

.password-toggle-button i {
  font-size: 1.25rem;
  pointer-events: none;
}

.admin-login-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(135deg, #015c42 0%, #01704e 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.admin-login-button:hover {
  background: linear-gradient(135deg, #01704e 0%, #015c42 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(1, 92, 66, 0.3);
}

.admin-login-button:active {
  transform: translateY(0);
}

.admin-login-button i {
  font-size: 1.25rem;
  opacity: 0.9;
}

/* 返回按钮样式 */
.back-to-oauth {
  margin-top: 1.5rem;
  text-align: center;
}

.back-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid #d1d5db;
  color: #666;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.back-button:hover {
  border-color: #015c42;
  color: #015c42;
  background-color: rgba(1, 92, 66, 0.05);
}

.back-button i {
  font-size: 1rem;
}

/* 错误消息样式 */
.error-message-container {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background-color: #fef2f2;
  border-left: 4px solid #ef4444;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.3s ease;
  word-wrap: break-word;
  overflow-wrap: break-word;
  align-items: center;
}

.error-icon {
  color: #ef4444;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.error-text {
  color: #dc2626;
  font-size: 0.9rem;
  line-height: 1.4;
  flex: 1;
  word-break: break-word;
}

.login-footer {
  text-align: center;
  color: #888;
  font-size: 0.85rem;
  margin-top: auto;
  flex-shrink: 0;
}

.login-footer p {
  margin: 0;
}

/* 动画效果 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 响应式设计 */

/* 大屏幕 (1200px 及以上) */
@media (min-width: 1200px) {
  .login-container {
    max-width: 600px;
    min-height: 700px;
    max-height: 900px;
    padding: 2.5rem;
  }
  
  .login-title {
    font-size: 1.8rem;
  }
  
  .login-subtitle {
    font-size: 1.4rem;
  }
  
  .oauth-login-button,
  .admin-login-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }
  
  .form-input {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
  }
}

/* 中等屏幕 (768px - 1199px) */
@media (min-width: 768px) and (max-width: 1199px) {
  .login-container {
    max-width: 540px;
    min-height: 650px;
    max-height: 850px;
    padding: 2.25rem;
  }
  
  .login-title {
    font-size: 1.6rem;
  }
  
  .login-subtitle {
    font-size: 1.3rem;
  }
  
  .oauth-login-button,
  .admin-login-button {
    padding: 0.875rem 1.75rem;
    font-size: 1.05rem;
  }
}

/* 小屏幕 (640px - 767px) */
@media (min-width: 640px) and (max-width: 767px) {
  .login-container {
    max-width: 500px;
    min-height: 600px;
    max-height: 800px;
    padding: 2rem;
  }
  
  .login-title {
    font-size: 1.4rem;
  }
  
  .login-subtitle {
    font-size: 1.2rem;
  }
}

/* 移动设备 (640px 及以下) */
@media (max-width: 640px) {
  .login-container {
    margin: 1rem;
    padding: 1.5rem;
    min-height: 550px;
    max-height: 700px;
  }
  
  .login-card-front,
  .login-card-back {
    padding: 1.5rem;
  }
  
  .login-title {
    font-size: 1.3rem;
  }
  
  .login-subtitle {
    font-size: 1.1rem;
  }
  
  .oauth-login-button,
  .admin-login-button {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
  }
  
  .form-input {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }
  
  .form-label {
    font-size: 0.85rem;
  }
}

/* 超小屏幕 (480px 及以下) */
@media (max-width: 480px) {
  .login-container {
    margin: 0.5rem;
    padding: 1rem;
    min-height: 500px;
    max-height: 650px;
    min-width: 280px;
  }
  
  .login-card-front,
  .login-card-back {
    padding: 1rem;
  }
  
  .login-title {
    font-size: 1.2rem;
  }
  
  .login-subtitle {
    font-size: 1rem;
  }
  
  .oauth-login-button,
  .admin-login-button {
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
  }
  
  .form-input {
    padding: 0.625rem 0.875rem;
    font-size: 0.9rem;
  }
  
  .form-label {
    font-size: 0.8rem;
  }
  
  .login-header {
    margin-bottom: 1.5rem;
  }
  
  .login-form-container {
    margin-bottom: 1.5rem;
  }
}

/* 暗色主题支持 */
@media (prefers-color-scheme: dark) {
  .login-card-front,
  .login-card-back {
    background-color: #1f2937;
    color: #f9fafb;
  }
  
  .login-subtitle {
    color: #e5e7eb;
  }
  
  .login-description {
    color: #9ca3af;
  }
  
  .login-tips {
    color: #6b7280;
  }
  
  .login-footer {
    color: #6b7280;
  }
  
  .form-label {
    color: #e5e7eb;
  }
  
  .form-input {
    background-color: #374151;
    border-color: #4b5563;
    color: #f9fafb;
  }
  
  .form-input:focus {
    border-color: #015c42;
  }
  
  .back-button {
    border-color: #4b5563;
    color: #9ca3af;
  }
  
  .back-button:hover {
    border-color: #015c42;
    color: #015c42;
    background-color: rgba(1, 92, 66, 0.1);
  }
  
  .admin-login-text {
    color: #60a5fa;
  }
  
  .admin-login-text:hover {
    color: #93c5fd;
  }

  .password-toggle-button {
    color: #9ca3af;
  }

  .password-toggle-button:hover,
  .password-toggle-button:focus {
    color: #60a5fa;
  }
}