/* ============================================================
   自定义登录页样式 —— 与首页设计风格完全统一
   版本: 1.1 | 设计原则：低饱和教育蓝系 + 微渐变背景
   ============================================================ */

/* 登录页背景：与首页一致的极低饱和浅蓝微渐变 */
body.xfai-login-page {
  background: linear-gradient(180deg, #eef4fa 0%, #f4f8fc 50%, #f7faff 100%) !important;
  background-attachment: fixed !important;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* 登录表单容器：全屏 Flex 列布局，内容垂直居中，footer 沉底 */
body.xfai-login-page #login {
  width: 100%;
  max-width: 420px;
  padding: 0 16px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
}

/* 隐藏 WordPress 内置语言切换器 */
body.xfai-login-page .language-switcher {
  display: none !important;
}

/* 版权信息沉底显示 */
.xfai-login-footer {
  margin-top: auto;
  padding: 16px 0 32px;
}

/* 登录表单卡片 */
body.xfai-login-page #loginform,
body.xfai-login-page #registerform,
body.xfai-login-page #lostpasswordform {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  margin-top: 0;
}

/* 品牌标识 Logo 圆点（与导航栏一致） */
.xfai-login-logo .brand-dot {
  display: inline-block;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #3b6ea5;
  box-shadow: 0 0 0 10px rgba(59, 110, 165, 0.18);
  vertical-align: middle;
}

/* 隐藏默认 WordPress Logo */
body.xfai-login-page #login h1 a {
  display: none;
}

/* 表单标签 */
body.xfai-login-page label {
  font-size: 13px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 6px;
}

/* 输入框样式 */
body.xfai-login-page input[type="text"],
body.xfai-login-page input[type="password"],
body.xfai-login-page input[type="email"] {
  font-size: 15px;
  padding: 10px 14px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  background: #ffffff;
  color: #1a1a2e;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 46px;
}

body.xfai-login-page input[type="text"]:focus,
body.xfai-login-page input[type="password"]:focus,
body.xfai-login-page input[type="email"]:focus {
  border-color: #3b6ea5;
  box-shadow: 0 0 0 3px rgba(59, 110, 165, 0.15);
  outline: none;
}

/* 提交按钮——使用主题强调色 */
body.xfai-login-page #wp-submit {
  background: #5b8cb8;
  border: none;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  width: 100%;
  min-height: 46px;
  transition: background 0.2s ease, transform 0.15s ease;
  cursor: pointer;
}

body.xfai-login-page #wp-submit:hover,
body.xfai-login-page #wp-submit:focus {
  background: #3b6ea5;
  transform: translateY(-1px);
}

body.xfai-login-page #wp-submit:active {
  transform: translateY(0);
}

/* "记住我" 复选框 */
body.xfai-login-page input[type="checkbox"] {
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

body.xfai-login-page .forgetmenot {
  margin-bottom: 16px;
}

/* 底部链接（忘记密码 / 返回站点） */
body.xfai-login-page #nav,
body.xfai-login-page #backtoblog {
  margin: 12px 0 0;
  padding: 0;
  text-align: center;
}

body.xfai-login-page #nav a,
body.xfai-login-page #backtoblog a {
  color: #3b6ea5;
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s ease;
}

body.xfai-login-page #nav a:hover,
body.xfai-login-page #backtoblog a:hover {
  color: #1e4a70;
  text-decoration: underline;
}

/* 错误提示 */
body.xfai-login-page #login_error {
  background: rgba(176, 90, 90, 0.08);
  border: 1px solid rgba(176, 90, 90, 0.35);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px;
  color: #b05a5a;
  box-shadow: none;
  margin-bottom: 16px;
}

/* 成功提示 */
body.xfai-login-page .message {
  background: rgba(74, 140, 122, 0.08);
  border: 1px solid rgba(74, 140, 122, 0.3);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px;
  color: #4a8c7a;
  box-shadow: none;
  margin-bottom: 16px;
}

/* ============================================================
   WordPress 默认密码强度指示器样式覆盖
   ============================================================ */
body.xfai-login-page .pw-weak {
  border-radius: 10px;
}

body.xfai-login-page .pw-weak input[type="checkbox"] {
  margin-right: 6px;
}

body.xfai-login-page .pw-weak label {
  font-size: 13px;
}

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 575.98px) {
  body.xfai-login-page #login {
    padding: 0 12px;
  }

  body.xfai-login-page #loginform,
  body.xfai-login-page #registerform,
  body.xfai-login-page #lostpasswordform {
    padding: 24px 20px;
    border-radius: 14px;
  }

  .xfai-login-logo .brand-dot {
    width: 40px;
    height: 40px;
    box-shadow: 0 0 0 8px rgba(59, 110, 165, 0.18);
  }
}