/* 主导航容器增强布局 */
.main-nav.navbar {
  padding: 0.8rem 0;
  min-height: 70px;
  display: flex;
  align-items: center;
 
}

/* 容器布局系统 */
.main-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* LOGO尺寸系统-放大方案 */
.navbar-brand {
  flex: 0 0 auto;
  padding: 0;
  transform: scale(2);
  transform-origin: left center;
  margin-right: 60px;
  position: relative;
  z-index: 1;
}

.navbar-brand img.logo {
  height: 44px;
  transition: height 0.3s ease;
}

/* 用户菜单项统一样式 */
.navbar-nav {
  list-style: none;
  padding-left: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  margin-left: auto;
  width: 100%;
  max-width: 600px;
  justify-content: flex-end;
}

.navbar-nav .nav-item {
  position: relative;
}

.navbar-nav .nav-link {
  font-size: 0.95rem;
  color: #2c3e50 !important;
  padding: 0.6rem 1.2rem !important;
  border-radius: 25px;
  transition: all 0.3s ease;
  border: 1px solid rgba(44, 62, 80, 0.1);
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.navbar-nav .nav-link:hover {
  background: #f8f9fa !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* 图标统一间距 */
.navbar-nav .nav-link i {
  margin-right: 0.6rem;
  font-size: 1.1em;
}

/* 退出按钮特殊颜色 
.icon-user .icon-plus .logout-btn {
  background:  #2196F3 !important;
  color: #FFFFFF !important;
  border-color: rgba(255,255,255,0.1) ;
}
*/
/* 退出按钮特殊颜色（修正后） */
/* 统一蓝色按钮样式 */
.navbar-nav .nav-link[href="/dashboard.php"],  /* 个人中心 */
.navbar-nav .nav-link[href^="/api/chatroom.php"],  /* 新建聊天室（部分匹配） */
.navbar-nav .nav-link.logout-btn {             /* 退出登录 */
  background: #2196F3 !important;
  color: #FFFFFF !important;
  border-color: rgba(255,255,255,0.1) !important;
}

/* 兼容伪元素分隔线 */
@media (min-width: 992px) {
  .nav-item:not(:last-child)::after {
    background: rgba(255,255,255,0.2) !important; /* 分隔线颜色改为浅色 */
  }
}

/* 覆盖移动端样式 */
@media (max-width: 991.98px) {
  .navbar-nav .nav-link[href="/dashboard.php"],
  .navbar-nav .nav-link[href^="/api/chatroom.php"],
  .navbar-nav .nav-link.logout-btn {
    background: #2196F3 !important; /* 保持移动端同样蓝色 */
  }
}


/* 微信登录按钮重设 */
.wechat-login .nav-link.wechat-login-btn {
  background:  #2196F3 !important;
  color: #FFFFFF !important;
  border-radius: 25px;
  padding: 0.6rem 1.8rem !important;
  border: 2px solid rgba(0,123,255,0.15);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  font-weight: 500;
}

.wechat-login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,123,255,0.2);
  background: #f8f9fa !important;
}

/* 移动端适配策略 */
@media (max-width: 991.98px) {
  .navbar-brand {
    order: 1;
    transform: scale(1.6);
    margin-right: 30px;
  }

  .navbar-nav {
    gap: 0.5rem;
  }

  .navbar-nav .nav-link {
    padding: 0.5rem 1rem !important;
    font-size: 0.9rem;
  }

  .navbar-brand img.logo {
    height: 38px;
  }

  .main-nav.navbar {
    min-height: 90px;
    padding: 1rem 0;
  }
}

/* 桌面端优化 */
@media (min-width: 992px) {
  .wechat-login {
    margin-left: auto;
  }

  .main-nav.navbar {
    padding: 1.2rem 0;
  }

  .navbar-nav .nav-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -0.6rem;
    height: 60%;
    width: 1px;
    background: rgba(0,0,0,0.1);
  }
}

/* 高分辨率适配 */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
  .navbar-brand img.logo {
    transform: scale(0.5);
    transform-origin: left center;
  }
}