/* 登录/注册页面样式 */

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

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", sans-serif;
  overflow: hidden;
}

/* 半透明背景遮罩 */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000000;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 登录容器 */
.login-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  max-width: 90vw;
  max-height: 90vh;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  z-index: 1000001;
  animation: slideUp 0.3s ease;
  overflow-y: auto;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, -40%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

/* 关闭按钮 */
.close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f3f4f6;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  background: #e5e7eb;
  color: #374151;
}

/* 标签切换 */
.tab-switcher {
  display: flex;
  border-bottom: 2px solid #e5e7eb;
  padding: 0 24px;
  margin-top: 24px;
}

.tab-btn {
  flex: 1;
  padding: 16px 0;
  border: none;
  background: transparent;
  font-size: 16px;
  font-weight: 600;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.tab-btn.active {
  color: #8b5cf6;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: #8b5cf6;
}

.tab-btn:hover {
  color: #8b5cf6;
}

/* 表单容器 */
.form-container {
  padding: 32px 24px;
}

/* 登录方式切换 */
.login-type-switcher {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: #f9fafb;
  padding: 4px;
  border-radius: 8px;
}

.type-btn {
  flex: 1;
  padding: 8px 16px;
  border: none;
  background: transparent;
  font-size: 14px;
  color: #6b7280;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.type-btn.active {
  background: #ffffff;
  color: #8b5cf6;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.type-btn:hover {
  color: #8b5cf6;
}

.login-type-content {
  animation: fadeIn 0.3s ease;
}

/* 表单组 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  transition: all 0.2s ease;
  outline: none;
}

.form-group input:focus {
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

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

/* 验证码输入组 */
.code-input-group {
  display: flex;
  gap: 12px;
}

.code-input-group input {
  flex: 1;
}

.code-btn {
  padding: 12px 20px;
  border: 2px solid #8b5cf6;
  background: #ffffff;
  color: #8b5cf6;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.code-btn:hover:not(:disabled) {
  background: #8b5cf6;
  color: #ffffff;
}

.code-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.code-btn.countdown {
  color: #6b7280;
  border-color: #d1d5db;
}

/* 密码提示 */
.password-hint {
  margin-top: 6px;
}

.hint-text {
  font-size: 12px;
  color: #6b7280;
  line-height: 1.5;
}

/* 头像上传 */
.avatar-upload {
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-preview {
  width: 80px;
  height: 80px;
  border: 2px dashed #d1d5db;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  overflow: hidden;
  background: #f9fafb;
}

.avatar-preview:hover {
  border-color: #8b5cf6;
  background: #faf5ff;
}

.avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-placeholder {
  font-size: 12px;
  color: #9ca3af;
  text-align: center;
}

/* 提交按钮 */
.submit-btn {
  width: 100%;
  padding: 14px;
  margin-top: 8px;
  border: none;
  background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.submit-btn:hover {
  background: linear-gradient(135deg, #7c3aed 0%, #9333ea 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* 错误提示 */
.error-message {
  margin-top: 12px;
  margin-bottom: 8px;
  padding: 10px 16px;
  font-size: 14px;
  color: #ef4444;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  display: none;
  text-align: center;
}

.error-message.show {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 600px) {
  .login-container {
    width: 95vw;
    max-height: 95vh;
  }

  .form-container {
    padding: 24px 16px;
  }

  .code-input-group {
    flex-direction: column;
  }

  .code-btn {
    width: 100%;
  }
}