.sidebar-nav-item {
  border-radius: 0.5rem;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  max-width: fit-content;
  padding-right: 1rem;
}

.sidebar-nav-item-active {
  background-color: #eee;
}

.sidebar-nav-item::before {
  content: '';
  display: inline-block;
  background-position: bottom left;
  background-repeat: no-repeat;
  background-size: contain;
  width: 1rem;
  height: 1rem;
  margin-left: 1rem;
  margin-top: 0;
  margin-bottom: 0;
  padding-right: 0.5rem;
  vertical-align: top;
  margin-top: 0.25rem;
  margin-bottom: 0.25rem;
}

.sidebar-nav-item[href="/"]::before {
  background-image: url('../assets/posts.png');
}

.sidebar-nav-item[href^="/projects/"]::before {
  background-image: url('../assets/projects.png');
}

.sidebar-nav-item[href^="/photography/"]::before {
  background-image: url('../assets/photography.png');
}


.sidebar-nav-item[href^="/about/"]::before {
  background-image: url('../assets/profile.png');
}

.sidebar-nav-item[href^="https://github.com"]::before {
  background-image: url('../assets/github.png');
}


/* for the version and copyright footer */

.footer::before {
  display:none;
}
.footer {
  color: inherit;
  font-size: 0.875rem;
  margin-left: 1rem;
}

@media (min-width: 48em) {
  .sidebar-nav-item {
    max-width: none;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
}

@media (prefers-color-scheme: dark) {
  .sidebar-nav-item-active {
    background-color: #333;
  }

  .sidebar-nav-item::before {
    filter: invert(100%);
  }
}

.sidebar-nav-item-other {
  opacity: 0.5;
}

img, video, iframe {
  border-radius: 1rem;
}

video {
  background: #000;
}

details {
  background-color: #f8f8f8;
}

details + details {
  border-top: 0.25rem solid #F0F0F0;
}
details hr {
  background-color: #AFAFAF;
  height: 0.25rem;
  margin: 0.75rem 1rem;
}

@media (prefers-color-scheme: dark) {
  details {
    background-color: #212121;
  }
  details + details {
    border-color: #313131;
  }
  details hr {
    background-color: #AFAFAF;
  }
}

details:first-of-type {
  border-top-left-radius: 1rem;
  border-top-right-radius: 1rem;
}
details:last-of-type {
  border-bottom-left-radius: 1rem;
  border-bottom-right-radius: 1rem;
}

summary {
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 1rem;
  font-weight: bold;
  cursor: pointer;
}

details > p,
details > center > p,
details > img,
details > a > img,
details > ol,
details > ul,
details > dl,
details > hr,
details > div {
  margin-left: 1rem;
  margin-right: 1rem;
}

details > img,
details > a > img {
  max-width: calc(100% - 2rem);
}

details > :not(summary):last-child {
  margin-bottom: 0;
  padding-bottom: 1rem;
}

/*
For some reason there is a whitespace of 0.4rem between iframes.
We normalise it and add the same margin that exists between the page margins
*/
iframe + iframe {
margin-top: calc(-0.4rem + 1rem);
}
@media only screen and (min-width: 48em) {
  iframe + iframe {
  margin-top: calc(-0.4rem + 2rem);
  }
}

.post-block {
  margin-bottom: 2.5rem; /* margin between post-block */
}


.theme-base .content a.post-preview {
  display: block;
  border-radius: 1rem;
  background: #000;
  color: #FFF; 
}

.theme-base .content .post-preview-image { /*keeps image for post-image a certain size but crops */
  width: 100%;          /* fill the width of the container */
  height: auto;         /* height auto to keep aspect ratio */
  aspect-ratio: 16 / 9; /* or whatever ratio you want */
  object-fit: cover;    /* crop overflow */
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

/* post previews for each heading | make sure to include last - in title */
.theme-base .content a.post-preview.post-ref-2025-08-12-liquid-crystals- {
  background: #005940;
}

.theme-base .content a.post-preview.post-ref-1868-01-01-dostoevsky- {
  background: #af2c2c;
}

.theme-base .content a.post-preview.post-ref-1779-10-09-napoleon- {
  background: #1f48a9;
}


.theme-base .content a.post-preview:last-child {
  margin-bottom: -1rem;
}

@media only screen and (min-width: 48em) {
  .theme-base .content a.post-preview {
    margin-bottom: 2rem;
  }
}

@media only screen and (min-width: 64em) {
  .theme-base .content a.post-preview {
    margin-bottom: 2rem;
  }
}

.theme-base .content .post-preview-text {
  padding: 1rem;
}

@media only screen and (min-width: 32em) {
  .theme-base .content .post-preview-text {
    padding: 2rem;
  }
}

.theme-base .content .post-preview-title {
  color: inherit;
  margin-top: 0;
}

.theme-base .content .post-preview-metadata {
  display: block;
  color: inherit;
  margin-top: -.5rem;
}

.theme-base .content .post-preview-image {
  width: 100%;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

sup {
  font-size: 0.574rem;
}

.footnotes {
  font-size: smaller;
}

.footnotes li:target {
  outline: auto;
}

p.copyright-notice, p.warning-notice {
  padding: 1rem;
  border-radius: 1rem;
  background-color: #f8f8c0;
}

@media (prefers-color-scheme: dark) {
  p.copyright-notice, p.warning-notice {
    background-color: #313100;
  }
}

p.incomplete-notice {
  padding: 1rem;
  border-radius: 1rem;
  background-color: #f8e0e0;
}

@media (prefers-color-scheme: dark) {
  p.incomplete-notice {
    background-color: #311111;
  }
}