/* The Greg's L for theorems, proofs, etc */

.ptx-content .proof {
  border-right: 1px solid #666;
  padding-right: 0.625em;
  margin-right: -0.725em;
}
.ptx-content .proof:after {
  content: '';
  border-bottom: 1px solid #666;
  display: block;
  margin-left: auto;
  margin-right: -0.625em;
  /* so the corner of the L meets */
  width: 1.5em;
  padding-bottom: 0.25em;
}

.ptx-content.epub .proof {
  margin-right: 1px;
}

.ptx-content .proof .proof {
  margin-right: -0.2em;
  border-right: 1.5px solid #ddd;
}
.ptx-content .proof .proof:after {
  border-bottom: 1.5px solid #ddd;
  width: 1em;
}

.ptx-content article.theorem-like,
.ptx-content article.definition-like,
.ptx-content article.example-like,
.ptx-content article.project-like,
.ptx-content article.remark-like,
.ptx-content article.openproblem-like,
.ptx-content article.openproblems-like,  /* delete once markup is fixed */
.ptx-content article.computation-like {
    padding-left: 0.4em;
    border-left: 1px solid #569;
}

.ptx-content.epub article.theorem-like,
.ptx-content.epub article.definition-like,
.ptx-content.epub article.example-like,
.ptx-content.epub article.project-like,
.ptx-content.epub article.remark-like,
.ptx-content article.openproblem-like,
.ptx-content article.openproblems-like,  /* delete once markup is fixed */
.ptx-content.epub article.computation-like {
    margin-left: 1px;
}


.ptx-content article.theorem-like::after,
.ptx-content article.definition-like::after,
.ptx-content article.example-like::after,
.ptx-content article.project-like::after,
.ptx-content article.remark-like::after,
.ptx-content article.openproblem-like::after,
.ptx-content article.openproblems-like::after,  /* delete once markup is fixed */
.ptx-content article.computation-like::after {
    content:'';
    border-bottom: 1px solid #569;
    display: block;
    margin-right: auto;
    margin-left: -0.5em;
    padding-top: 0.25em;
    width: 1.5em;
}
/* projects get a dotted L */
.ptx-content article.project-like {
    border-left: 1px dotted #569;
}
.ptx-content article.project-like::after {
    border-bottom: 1px dotted #569;
}

/* commentary gets a thicker red L */

.ptx-content article.commentary {
    padding-left: 0.6em;
    border-left: 3px solid #c33;
}
.ptx-content article.commentary::after {
    content:'';
    border-bottom: 3px solid #c33;
    display: block;
    margin-right: auto;
    margin-left: -0.6em;
    padding-top: 0.25em;
    width: 1.5em;
}

.ptx-content .assemblage-like {
    border: solid 2px #1100AA;
    border-radius: 12px;
    padding: 10px;
    background-color: #f4f4fe;
}

.ptx-content .assemblage-like .heading {
    margin-top: 0;
}

.ptx-content .assemblage-like + .sidebyside {
    margin-top: 1.25em;
}
.ptx-content section article.assemblage-like .heading + .para {
    display: block;
}

.ptx-content .goal-like {
  border: solid 3px #999999;
  padding: 0.7em;
  margin-bottom: 1em;
}

.ptx-content .goal-like > .heading {
  margin-top: -1.5em;
  background-color: white;
  display: table;
  padding: 5px 1em;
  margin-left: 5px;
  font-style: italic;
  font-size: 120%;
}

.ptx-content .goal-like > .heading .codenumber {
  display:none;
}

.ptx-content .goal-like > .heading::after {
  display:none;
}


.ptx-content .aside-like {
    position: absolute;
    margin-left: 45%;
    overflow-x: hidden;
    max-width: 495px;
    max-height: 7em;
    overflow-y: hidden;
    border: none;
    padding: 4px 10px 0 10px;
    color: #888;
    z-index: 100;
}
.ptx-content .example-like .aside-like {
    margin-top: 0;
    position: absolute;
}
.ptx-content .aside-like {
    font-size: 90%;
}
.ptx-content .aside-like {
  margin-bottom: 5px;
  background-color: #f5faff;
  box-shadow: 0 0 1.0em 0.2em #fff inset;
}
.ptx-content .aside-like .para {
    overflow-x: auto;
}
.ptx-content .aside-like:first-child {
    margin-top: -2.25em;
}
.ptx-content .aside-like:after {
  content  : "";
  position : absolute;
  z-index  : 1;
  top   : 0em;  
  bottom   : 0;
  left     : 0;
  pointer-events   : none;
  background-image : linear-gradient(to bottom, 
                    rgba(255,255,255, 0.4), 
                    rgba(255,255,255, 1) 90%);
  width    : 550px;
  height   : 8em;
}
/* example of where the following is needed? */
/*
.ptx-content .aside-like * {
    background-color: #f5faff !important;
}
*/
.ptx-content .aside-like.front, .ptx-content .example-like .aside-like.front {
  position: relative;
  z-index: 0;
  padding: 8px 15px 10px 15px;
  padding: 2px 10px;
  margin: 5px 0px 5px 10px;
  border: 2px solid #dcebfa;
  max-height: none;
  max-width: 550px;
  color: inherit;
  font-size: 100%;
  box-shadow: none;
}
.ptx-content .aside-like.front:after, .ptx-content .example-like .aside-like.front:after {
    background-image: none;
}
.ptx-content .example-like .aside-like.front {
    margin-top: 1.25em;
}

.ptx-content .aside-like.front + p{
    margin-top: 1.25em !important;
    padding-top: 0;
}



.ptx-content .aside-like .aside-like {
  background-color: #fafff5;
  border: 1px dotted #aaa;
}

.ptx-content article.aside-like > p:first-child {
    margin-top: 0;
}

.ptx-content .aside-like > .heading {
    font-size: 95%;
}

.ptx-content .aside-like + *{
    margin-top: 3em; /* !important; */
    margin-right: 3em;
}

/* on sufficiently large screens, there is enough of a margin to see part of the aside */

@media screen and (min-width: 943px) {
  .ptx-content .aside-like + * {
      margin-right: 0;
  }
}

/* on a wide screen, asides should appear in the right margin */
@media screen and (min-width: 1100px) {
  .ptx-content .aside-like, .ptx-content .aside-like.front, .ptx-content .example-like .aside-like, .ptx-content .example-like .aside-like.front {
      position: absolute;
      margin-top: -2em;
      margin-left: 660px;
      max-width: 200px;  /* for some reason the width was too small, so I had to put width (next line) */
      width: 200px;
      color: inherit;
  }
  .ptx-content .aside-like.front, .ptx-content .example-like .aside-like.front {
      max-height: none;
      max-width: 223px;
      border: 2px solid #dcebfa;
}
  .ptx-content .example-like .aside-like, .ptx-content .example-like .aside-like.front {
      margin-left: 654px;  /* because .example-like has 6px of padding */
  }

  .ptx-content .aside-like + * {
      margin-top: 1.25em;
  /*    background: none;  */
      margin-right: 0;
  }
  /* previous and next point to the need to rethink asides:  structurally they are
     in the midts of the other elements, so they affect neighbor selectors.
     but visually they often are off to the side */
  .ptx-content .aside-like + .solutions,
  .ptx-content .aside-like + .instructions {
      margin-top: 0;
  }

  .ptx-content .aside-like.front:after, .ptx-content .example-like .aside-like.front:after {
    background-image: none;
  }

  .ptx-content .aside-like:nth-of-type(3n+1) {
    margin-left: 660px;
}
  .ptx-content .aside-like:nth-of-type(3n) {
    margin-left: 680px;
}
  .ptx-content .aside-like:nth-of-type(3n+2) {
    margin-left: 640px;
}
}

.ptx-content .aside-like:hover:after, .ptx-content .aside-like:focus:after {
    top: 3em;
    height: auto;
    background-image : none;
}

.ptx-content .aside-like:hover, .ptx-content .aside-like:focus {
    color: inherit;
    padding: 2px 8px 0 8px;
    border: 2px solid #dcebfa;
    height: auto;
    max-height: none;
}
.ptx-content .aside-like.front:hover, .ptx-content .aside-like.front:focus {
    padding: 4px 10px;
}

/* find a better way to handle asides in content that has a wide left margin */
/* see http://pretext.jahrme.com/aside-in-knowl/section-1.html */
.ptx-content section dl dd .aside-like {
    margin-top: 0 !important;
    margin-left: 100px !important;
}
.ptx-content section dl dd .aside-like.front {
    margin-left: -300px !important;
}

@media screen and (max-width: 1099px) {
  .ptx-content .aside-like {
    position: relative;
    float: right;
    z-index: 0;
    overflow-x: hidden;
    margin-left: 1em;
    margin-top: 1em;
    max-width: 195px;
    max-height: 4em;
    margin-right: -8em;
}
  .ptx-content li > .aside-like:last-child {
    position: absolute;
}
}