/* main content width */
.md-grid {
    /* maximum-width */
    /* max-width: initial; */
    max-width: 1320px;
}

/* Full Width Tables */
.md-typeset .md-typeset__table {
  display: block;
}
.md-typeset__table table:not([class]) {
  display: table;
}

/* ellipsis for toc title */

.md-nav--secondary .md-nav__link {
  display: flex;
  align-items: center;
  max-width: 200px;
  position: relative;
  padding-right: 10px;
}

.md-nav--secondary .md-nav__link > .md-ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
  margin-right: 4px;
}

/* toc collapse */
.md-nav--secondary .md-nav__item > .md-nav__link + .md-nav ~ .md-nav__link .md-ellipsis::after,
.md-nav--secondary .md-nav__item > .md-nav {
  display: none;
  margin-left: .2rem;
}

.md-nav--secondary .md-nav__item.has-submenu {
  position: relative;
}

.md-nav--secondary .toc-toggle-icon {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
  transform-origin: center center; 
  transition: transform 0.2s ease;
  z-index: 1;
  cursor: pointer;          
  pointer-events: auto;     
  user-select: none;        
  font-size: 1rem;          
}

/* hover effect */
.md-nav--secondary .toc-toggle-icon:hover {
  color: #333;
  transform: translateY(-50%) scale(1.1);
}

/* rotate the icon when clicked */
.md-nav--secondary .has-submenu.open > .md-nav__link > .toc-toggle-icon {
  transform: translateY(-50%) rotate(45deg);
}

/* guide line */
.md-nav--secondary .toc-guide-line {
  position: absolute;
  left: 0;
  top: 1rem;
  width: 1px;
  background-color: #aeaeaea4;
  z-index: -1;
}

/* guide line end */
.md-nav--secondary .toc-guide-line::after {
  content: "";
  position: absolute;
  left: 0; 
  bottom: 0px; 
  width: 8px; 
  height: 1px; 
  background-color: #aeaeaea4;
  transform: translateY(-50%);
}

/* guide line height */
.md-nav--secondary .has-submenu.open .toc-guide-line {
  height: calc(100% - 1.3rem);
  display: block;
}

.md-nav--secondary .has-submenu:not(.open) .toc-guide-line {
  display: none;
}

/* Remove the `In` and `Out` block in rendered Jupyter notebooks */
.jp-Cell-outputWrapper .jp-OutputPrompt.jp-OutputArea-prompt,
.jp-Cell-inputWrapper .jp-InputPrompt.jp-InputArea-prompt {
  display: none !important;
}

/* ==== collapse button style ==== */
.jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn {
    position: relative;
    display: inline-block;
    padding: 8px 16px; 
    width: 80px; /* fix button width */
    text-align: center; 
    margin-right: 10px;
    padding-bottom: 4px; /* for line */
  }
  
  /* triangle */
  .jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn::before {
    content: "▶"; 
    position: absolute;
    left: 50%; 
    top: 4px;
    transform: translate(-50%);
    transform-origin: center center;
    transition: transform 0.2s;
    color: #666;
  }
  
  /* rotate the triangle when clicked */
  .jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn.is-expanded::before {
    transform: translate(-50%) rotate(90deg);
  }

  /* line */
  .jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn span.line {
    position: absolute;
    left: 50%;
    top: 30px; /* distance between triangle and line */
    height: calc(100% - 30px);
    width: 1px;
    background: #666;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.2s;
  }

  /* spot at the end of the line */
  .jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn span.line::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 6px;
    height: 6px;
    background: #666;
    border-radius: 50%;
    transform: translate(-50%, 50%);
  }

  /* display line when clicked to expand */
  .jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn.is-expanded span.line {
    opacity: 1;
  }
  
  /* prompt */
  .jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn::after {
    content: "Click to expand output";
    position: absolute;
    left: 100%; 
    top: 50%;
    transform: translateY(-50%);
    margin-left: 8px;
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    max-width: 200px; 
    color: #666;
    font-size: 0.8em;
  }

/* hide prompt when expanded */
.jupyter-wrapper .jp-Cell-outputCollapser.collapse-btn.is-expanded::after {
  opacity: 0;
  pointer-events: none; 
}

/* ==== output area style ==== */
.jupyter-wrapper .jp-OutputArea {
  display: inline-block;
  vertical-align: top;
  width: calc(100% - 40px); /* use the remaining width */
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  position: relative; 
  font-size: 0.85em;
}

/* expanded style */
.jupyter-wrapper .jp-OutputArea.is-expanded {
  max-height: 500px;
  overflow-y: auto; /* vertical scroll */
  overflow-x: hidden; /* horizontal scroll */
  display: block;
}