/* custom.css */

html[data-theme="light"] {
    --sidebar-bg-color: #fefefe; /* #d2efff; */
    --sidebar-text-color: #000000;
    --sidebar-highlight-color: #eb6817;
    --sidebar-hover-text-color: #f39900; /* #0044bd; */
    --header-bg-color: #ffffff;
    --logo-filter: none;
    --button-color: #fff;
    --footer-text-color: #000000;
  }
  
  html[data-theme="dark"] {
    --sidebar-bg-color: #0071bdb2; /* #053346; */
    --sidebar-text-color: #ffffff;
    --sidebar-highlight-color: #f39900;
    --sidebar-hover-text-color: #eb6817; /* #00aeef; */
    --header-bg-color: #414141;
    --logo-filter: grayscale(100%) brightness(20);
    --button-color: #fff;
    --footer-text-color: #b9b9b9;
  }
  
  /* Sidebar */
  .bd-sidebar-primary.bd-sidebar {
    background-color: var(--sidebar-bg-color);
    color: var(--sidebar-text-color);
  }
  
  .bd-sidebar-primary.bd-sidebar a {
    color: var(--sidebar-text-color);
  }
  
  .bd-sidebar-primary.bd-sidebar a:hover {
    color: var(--sidebar-hover-text-color);
  }
  
  /* Sidebar ToC */
  .toctree-l1.current.active {
    color: var(--sidebar-highlight-color);
  }
  
  .toctree-l1.current.active * {
    color: inherit;
  }

  
  
  /* Header */
  .bd-header-article {
    /* position: fixed; */
    /* background-color: var(--header-bg-color); */
    background-color: rgba(0, 0, 0, 0);
    backdrop-filter: blur(2px);
    z-index: 1000;
  }
  
  /* Header background image */
  .bd-header-article::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("images/header_image.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.75;
    z-index: -1;
  }
  
  /* Header buttons */
  .article-header-buttons .btn {
    color: var(--button-color);
    z-index: 1;
  }
  
  .article-header-buttons .btn:hover {
    opacity: 0.8;
    z-index: 1;
  }
  
  .article-header-buttons .btn:hover {
    opacity: 0.8;
    -index: 1;
  }
  
  .article-header-buttons .btn:hover {
    opacity: 0.8;
  }