/* 
 * Chirpy Style Left Sidebar
 * 左侧固定边栏样式 - Chirpy风格
 */
/* 左侧边栏容器 */
.chirpy-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 260px;
  height: 100vh;
  background-color: #f8f9fa;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  transition: transform 0.3s ease;
  border-right: 1px solid #e9ecef;
  /* 品牌区域 */
  /* 导航菜单 */
  /* SNS链接区域 */
}
.chirpy-sidebar .sidebar-brand {
  padding: 30px 20px;
  text-align: center;
  border-bottom: 1px solid #e9ecef;
}
.chirpy-sidebar .sidebar-brand .brand-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 15px;
  border-radius: 50%;
  overflow: hidden;
}
.chirpy-sidebar .sidebar-brand .brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.chirpy-sidebar .sidebar-brand .brand-title {
  font-size: 24px;
  font-weight: 700;
  color: #404040;
  margin: 0 0 5px 0;
  line-height: 1.2;
}
.chirpy-sidebar .sidebar-brand .brand-title a {
  color: #404040;
  text-decoration: none;
}
.chirpy-sidebar .sidebar-brand .brand-title a:hover {
  color: #0085a1;
}
.chirpy-sidebar .sidebar-brand .brand-tagline {
  font-size: 14px;
  font-style: italic;
  color: #6c757d;
  margin: 0;
  line-height: 1.4;
}
.chirpy-sidebar .sidebar-nav {
  padding: 20px 0;
}
.chirpy-sidebar .sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.chirpy-sidebar .sidebar-nav li {
  margin: 0;
}
.chirpy-sidebar .sidebar-nav li a {
  display: flex;
  align-items: center;
  padding: 12px 30px;
  color: #404040;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
  position: relative;
}
.chirpy-sidebar .sidebar-nav li a i {
  width: 20px;
  margin-right: 12px;
  text-align: center;
  font-size: 16px;
}
.chirpy-sidebar .sidebar-nav li a:hover {
  background-color: #e9ecef;
  color: #0085a1;
}
.chirpy-sidebar .sidebar-nav li a.active {
  background-color: #e9ecef;
  color: #0085a1;
}
.chirpy-sidebar .sidebar-nav li a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: #0085a1;
}
.chirpy-sidebar .sidebar-sns {
  padding: 20px 30px;
  text-align: left;
  border-top: 1px solid #e9ecef;
}
.chirpy-sidebar .sidebar-sns a {
  display: inline-block;
  margin-right: 15px;
  color: #404040;
  font-size: 20px;
  transition: color 0.2s ease;
}
.chirpy-sidebar .sidebar-sns a:hover {
  color: #0085a1;
}
/* 主内容区域 */
.chirpy-main-content {
  margin-left: 260px;
  min-height: 100vh;
  background: #fff;
  /* 顶部栏 */
  /* 内容容器 */
}
.chirpy-main-content .chirpy-topbar {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #e9ecef;
  padding: 15px 30px;
  z-index: 90;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chirpy-main-content .chirpy-topbar .breadcrumb {
  margin: 0;
  padding: 0;
  background: none;
  font-size: 14px;
}
.chirpy-main-content .chirpy-topbar .breadcrumb li {
  display: inline-block;
}
.chirpy-main-content .chirpy-topbar .breadcrumb li + li::before {
  content: "›";
  padding: 0 8px;
  color: #6c757d;
}
.chirpy-main-content .chirpy-topbar .breadcrumb li a {
  color: #0085a1;
  text-decoration: none;
}
.chirpy-main-content .chirpy-topbar .breadcrumb li a:hover {
  text-decoration: underline;
}
.chirpy-main-content .chirpy-topbar .search-trigger input {
  border: 1px solid #dee2e6;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 14px;
  width: 200px;
}
.chirpy-main-content .chirpy-topbar .search-trigger input:focus {
  outline: none;
  border-color: #0085a1;
}
.chirpy-main-content .content-wrapper {
  padding: 40px;
  max-width: 1000px;
  margin: 0 auto;
}
/* 响应式 - 移动端 */
@media (max-width: 768px) {
  .chirpy-sidebar {
    transform: translateX(-100%);
  }
  .chirpy-sidebar.mobile-open {
    transform: translateX(0);
  }
  .chirpy-main-content {
    margin-left: 0;
  }
  .chirpy-main-content .chirpy-topbar {
    padding: 15px;
  }
  .chirpy-main-content .chirpy-topbar .search-trigger input {
    width: 150px;
  }
  .chirpy-main-content .content-wrapper {
    padding: 20px 15px;
  }
  /* 移动端菜单按钮 */
  .mobile-menu-toggle {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 101;
    background: #0085a1;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
  }
  .mobile-menu-toggle:hover {
    opacity: 0.9;
  }
  /* 遮罩层 */
  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    display: none;
  }
  .sidebar-overlay.active {
    display: block;
  }
}
/* 平板设备 */
@media (min-width: 769px) and (max-width: 1024px) {
  .chirpy-sidebar {
    width: 220px;
  }
  .chirpy-main-content {
    margin-left: 220px;
  }
  .chirpy-main-content .content-wrapper {
    padding: 30px;
  }
}