main.scss

body {

  // light mode colors
  --primary-color: #6d9bff;
  --primary-pale-color: #6d9bff20;
  --text-color: #3C4043;
  --text-pale-color: #a0a9bf;
  --bg-color: #ffffff;

  // dark mode colors
  &.dark {
    --primary-color: #6d9bff;
    --primary-pale-color: #6d9bff20;
    --text-color: #9197a5;
    --text-pale-color: #5d6470;
    --bg-color: #202124;
  }

  // callout colors
  --callout-note-color: #4890fc;
  --callout-note-bg-color: #4890fc20;
  --callout-important-color: #b080ff;
  --callout-important-bg-color: #b080ff30;
  --callout-warning-color: #e4a135;
  --callout-warning-bg-color: #f5a62325;
  --callout-alert-color: #ff6868;
  --callout-alert-bg-color: #ff686825;
  --callout-question-color: #4e95b9;
  --callout-question-bg-color: #4e95b920;
  --callout-tip-color: #41c885;
  --callout-tip-bg-color: #41c88530;

  // typography
  --main-font: 'Roboto', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --code-font: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --homepage-max-width: 650px;
  --main-max-width: 900px;
  --avatar-size: 100px;
  --paragraph-font-size: 18px;
  --paragraph-line-height: 1.75;
  --img-border-radius: 4px;
  --code-border-radius: 4px;
}

/* base
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  min-height: 100%;
  font-family: var(--main-font);
  background-color: var(--bg-color);
  color: var(--text-color);
}

html {
  scroll-behavior: smooth;
}

@media screen and (min-width: 600px) {
  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }

  ::-webkit-scrollbar-track {
    background: #0000;
  }

  ::-webkit-scrollbar-thumb {
    background: #aeb7caa1;
    border-radius: 2px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #8a90a1a1;
  }
}

/* homepage
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

body.homepage {
  #wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  main {
    max-width: var(--homepage-max-width);
    padding: 2em 1em 6em;
  }


  #info {
    display: flex;
    gap: 1em;

    img {
      height: var(--avatar-size);
      width: var(--avatar-size);
      border-radius: 20%;
      overflow: hidden;
      perspective: 1px;
      aspect-ratio: 1 / 1;
    }

    #text {

      font-size: 1.25em;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
    }

    #id {
      margin-left: 0.5em;
      color: var(--primary-color);
    }

    #bio {
	font-size: 0.85em;
    }

    #biolink {
	color: inherit;
	font-size: 0.85em;
	display: flex;	
	gap: 0.5em 1em;

	a,
	button {
	    text-decoration: none;
	    color: var(--link-color);

	    &:hover {
		color: var(--primary-color);
	    }
	}

	a {
            border-bottom: 1.5px solid var(--primary-color);
            line-height: 24px;
	}
    }
  }

  #links {
    max-height: 24px;
    margin: 1.25em 0 1.25em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5em 1em;
    font-size: 1.25em;

    a,
    button {
      text-decoration: none;
      color: var(--text-color);

      &:hover {
        color: var(--primary-color);
      }
    }

    #left {
      display: flex;
      gap: 1em;

      a {
        border-bottom: 1.5px solid var(--primary-color);
        line-height: 24px;
      }
    }

    #right {
      display: flex;
      gap: 0.5em;

      a,
      button {
        width: 24px;
        height: 24px;
      }

      button {
        padding: 0;
        border: none;
        background-color: transparent;
        cursor: pointer;
      }
    }

    @media (max-width: 600px) {
	#left {
            gap: 0.75em;
	    margin-bottom: 0.25em;
	}
	margin-bottom: 2.5em;
    }
  }

  #brief {
    font-size: 1.25em;
    line-height: 1.5;
    margin: 2em 0 0 0;          
    

    p {
      word-wrap: break-word;
      margin: 0.5em 0;
    }

    a {
      color: var(--primary-color);
      text-decoration: underline var(--primary-pale-color) 1.5px;

      &:hover {
        text-decoration-color: var(--primary-color);
      }
    }

    p>code {
      font-family: var(--code-font);
      font-size: 0.8em;
      padding: 1px 6px;
      color: var(--primary-color);
      background-color: var(--primary-pale-color);
      border-radius: 4px;
    }

    img {
      max-width: 100%;
      display: block;
      margin: 0 auto;
      border-radius: var(--img-border-radius);
    }

    blockquote {
      border-left: 4px var(--primary-pale-color) solid;
      padding-left: 16px;
      margin: 0 0 24px 0;
      color: var(--text-pale-color);
    }

    li::marker {
      color: var(--primary-color);
    }

    hr {
      border: none;
      background-color: var(--primary-pale-color);
      height: 3px;
      margin: 36px 0;
    }

  }
}

/* header
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

header {
  z-index: 99;
  position: fixed;
  top: 0;
  width: 100%;
  height: 45px;
  background-color: var(--bg-color);
  border-bottom: 1.5px solid var(--primary-color);

  @supports (-webkit-backdrop-filter: none) or (backdrop-filter: none) {
    &.blur {
      background-color: fade(var(--bg-color), 75%);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
    }
  }

  #wrapper {
    height: 100%;
    max-width: var(--main-max-width);
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
  }

  nav {
      font-size: 1.4em;

    a {
      color: var(--text-color);
      text-decoration: none;

      &:hover {
        color: var(--primary-color);
      }
    }

    .separator {
      margin: 0 0.5em;
    }
  }

  #btns {
    display: flex;
    gap: 1em;
    align-items: center;
    padding-top: 4px;
    margin: 0 0.5em 0 0;      
    

    a,
    button {
      width: 24px;
      height: 24px;
      border: none;
      background-color: transparent;
      padding: 0;
      text-decoration: none;
      color: var(--text-color);
      cursor: pointer;

      @media (hover: hover) {
        &:hover {
          color: var(--primary-color);
        }
      }
    }
  }

  #toc-toggle {
    display: none;

    @media (max-width: 1024px) {
      & {
        display: inline-block;

        &.active {
          color: var(--primary-color);
        }
      }
    }
  }
}

/* footer
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

footer {
  font-size: 1rem;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  color: var(--text-pale-color);

  a {
    color: var(--text-pale-color);
  }

  @media (max-width: 374px) {
    & {
      flex-direction: column;
      gap: 0;
    }
  }
}

/* blog page
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

body.blog {
  #blog-wrapper {
    margin: 0 auto;
    max-width: var(--main-max-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  main {
    margin: 60px 0;

    .category {
      font-size: 1.3em;
      margin: 25px 15px 15px;
    }

    .publication {
	padding: 15px 15px;
	border-radius: 4px;

	&:hover {
            background-color: var(--primary-pale-color);
	}

	@media (max-width: 768px) {
            & {
		margin: 0 0px 0 0;
		padding: 10px 0px 10px 0;		  
		font-size: 0.8em;		  
            }
	}

	.publication-title {
	    font-size: 1em;
	    padding: 2px 0 2px 0;
	    font-weight: bold;
	}

	.publication-venue {
	    padding: 2px 0 2px 0;	    	    
	    font-family: var(--code-font);
	}

    }

    .post-list {
	margin-top: 15px;
    }

    .post {
	padding: 15px 15px;
	border-radius: 4px;
	&:hover {
            background-color: var(--primary-pale-color);
	}

	.tags-list>p {
	    font-family: var(--code-font);
	    margin: 0 5px;	  
	    padding: 0 10px 0 0;	  
            
	    @media (max-width: 768px) {
		& {
		    font-size: 1em;
		    margin: 0 5px 0 0;		  
		    padding: 0px 0px 0 18px;		  
		    font-size: 0.8em;		  
		}
	    }
	}
      
    }

    .post>a {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      font-size: 1.3em;
      text-decoration: none;
      color: var(--primary-color);
      -webkit-tap-highlight-color: transparent;

      @media (max-width: 768px) {
        & {
          font-size: 1em;
          margin: 0 5px;
          padding: 7.5px 10px;
        }
      }

      .date {
          white-space: nowrap;
	  font-size: 0.8em;	  
      }
    }

    .post-description {
	margin: 0 5px;	  
	padding: 0 10px 0 0;

	  @media (max-width: 768px) {
              & {
		  font-size: 1em;
		  margin: 0 5px 0 0;
		  padding: 0 15px 0 17px;
		  font-size: 0.8em;		  
              }
	  }
	
    }

  }
}

/* post page
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

body.post {
  #post-wrapper {
    display: flex;
    justify-content: space-between;
    margin-top: 45px;
    font-size: 18px;
    min-height: 100vh;
  }

  #blank {
    width: calc((100% - var(--main-max-width))/2);
  }

  main {
    width: 100%;
    max-width: var(--main-max-width);
  }

  article {
    padding: 0 15px 30px;
    font-size: var(--paragraph-font-size);

    #post-info {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      margin-bottom: 1em;
    }

    #date {
      color: var(--text-pale-color);
      margin-bottom: 1em;

      #publish,
      #updated {
        margin-right: 20px;
      }
    }

    #tags {
      margin-bottom: 1em;
      display: flex;
      gap: 1em;
      flex-wrap: wrap;

      a {
        color: var(--primary-color);
        text-decoration: none;
      }
    }

    h1 {
      font-size: 1.5em;
      font-weight: bolder;
      margin: 1em 0 0.5em 0;
    }

    h2 {
      font-size: 1.3em;
      padding-top: 65px;
      margin-top: -45px;
    }

    h3 {
      font-size: 1.1em;
      padding-top: 65px;
      margin-top: -45px;
    }

    h4 {
      font-size: 1.05em;
      margin: 30px 0 15px 0;
    }

    .zola-anchor {
      visibility: hidden;
      margin-left: 0.75em;
      font-size: 0.85em;
    }

    h1, h2, h3, h4, h5, h6 {
      &:hover a.zola-anchor {
        visibility: visible;
      }
    }

    p {
      font-size: 1em;
      line-height: var(--paragraph-line-height);
      word-wrap: break-word;
      text-align: justify;
    }

    a {
      color: var(--primary-color);
      text-decoration: underline var(--primary-pale-color) 1.5px;

      &:hover {
        text-decoration-color: var(--primary-color);
      }
    }

    img {
      max-width: 100%;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    figure {
      margin: 0 auto;
    }

    figcaption {
      width: 100%;
      text-align: center;
      margin: 5px auto;
    }

    blockquote {
      border-left: 4px var(--primary-pale-color) solid;
      padding-left: 16px;
      margin: 0 0 24px 0;
      color: var(--text-pale-color);
    }

    p>code {
      font-family: var(--code-font);
      font-size: 0.8em;
      padding: 1px 6px;
      color: var(--primary-color);
      background-color: var(--primary-pale-color);
      border-radius: 4px;
    }

    pre {
      padding: 12px 16px;
      line-height: 1.5;
      border-radius: var(--code-border-radius);
      overflow: auto;
      font-size: 0.8em;

      code {
        font-family: var(--code-font);
      }

      &[data-linenos] {
        padding: 12px 12px 12px 0px;
      }

      table {
        width: 100%;
        border-collapse: collapse;
      }

      table td {
        padding: 0;
        line-height: initial;
        text-align: initial;
        border: initial;
      }

      table td:nth-of-type(1) {
        text-align: right;
        user-select: none;
        padding-right: 1em;
      }

      mark {
        display: block;
        background-color: rgba(254, 252, 232, 0.9);
      }
    }

    ul,
    ol {
      line-height: 1.8;
    }

    li::marker {
      color: var(--primary-color);
    }

    hr {
      border: none;
      background-color: var(--primary-pale-color);
      height: 3px;
      margin: 36px 0;
    }

    table {
      width: 100%;
      border-spacing: 0;
    }

    thead {
      background-color: var(--primary-pale-color);
    }

    th,
    td {
      line-height: 2;
      text-align: center;
      border: 1px solid var(--primary-pale-color);
    }

    .footnote-definition {
      display: flex;
      margin: 2em 0 1em;

      p {
        margin-top: 0;
      }
    }

    blockquote.callout {
      line-height: var(--paragraph-line-height);
      margin-bottom: 20px;
      border: none;
      border-radius: 4px;
      padding: 6px 12px;
      display: flex;
      gap: 10px;

      .icon {
        height: 1.75em;
        display: flex;
        align-items: center;
      }

      .content {
        p {
          margin: 0;

          +p {
            margin-top: 0.5em;
          }
        }
      }

      &.note {
        color: var(--callout-note-color);
        background-color: var(--callout-note-bg-color);
      }

      &.important {
        color: var(--callout-important-color);
        background-color: var(--callout-important-bg-color);
      }

      &.warning {
        color: var(--callout-warning-color);
        background-color: var(--callout-warning-bg-color);
      }

      &.alert {
        color: var(--callout-alert-color);
        background-color: var(--callout-alert-bg-color);
      }

      &.question {
        color: var(--callout-question-color);
        background-color: var(--callout-question-bg-color);
      }

      &.tip {
        color: var(--callout-tip-color);
        background-color: var(--callout-tip-bg-color);
      }
    }
  }

  .mermaid {
    background: #fff;
  }

  .giscus {
    padding: 0 15px;
  }

  aside {
    width: calc((100% - var(--main-max-width))/2);
    position: sticky;
    margin-top: 125px;
    top: 60px;
    height: min-content;
    font-size: var(--paragraph-font-size);
    z-index: 9;

    nav {
      min-width: 60%;
      overflow-y: auto;
      max-height: 80vh;
      scrollbar-width: none;

      &::-webkit-scrollbar {
        width: 0;
      }
    }

    ul {
      list-style-type: none;
      padding-left: 1.5em;
      line-height: 2;
      margin: 0;
    }

    nav a {
      text-decoration: none;
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: var(--primary-color);

      &::before {
        display: inline-block;
        content: "";
        width: 3px;
        height: 10px;
        border-radius: 2px;
        position: relative;
        top: -1px;
        margin-right: 10px;
      }

      &:hover,
      &.active {
        &::before {
          background-color: var(--primary-color);
        }
      }
    }
  }

  @media screen and (max-width: 1024px) {
    aside {
      position: fixed;
      right: -100%;

      &.shown {
        right: 0;
      }

      top: 45px;
      margin-top: 0;
      min-width: 260px;
      height: 100%;
      background-color: var(--bg-color);
      box-shadow: rgba(0, 0, 0, 0.08) -2px 8px 8px 0px;

      nav {
        padding-top: 10px;
      }

      ul {
        padding-left: 10px;
      }
    }

    @supports (-webkit-backdrop-filter: none) or (backdrop-filter: none) {
      aside.blur {
        background-color: fade(var(--bg-color), 75%);
        -webkit-backdrop-filter: blur(8px);
        backdrop-filter: blur(8px);
      }
    }

    #blank {
      display: none;
    }

    main {
      margin: 0 auto;
    }
  }

  #top {
    padding-top: 45px;
    margin-top: -45px;
  }

}

/* tag list page
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

body.tag-list {
  #tag-list-wrapper {
    margin: 0 auto;
    max-width: var(--main-max-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  main {
    margin: 85px auto 60px;
  }

  .title {
    width: min-content;
    font-size: 1.3em;
    margin: 0 auto;
  }

  .tags {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    font-size: 1.1em;

    a {
      color: var(--primary-color);
      text-decoration: none;
      margin: 2em;
    }
  }

}

/* tag single page
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

body.tag-single {
  #tag-single-wrapper {
    margin: 0 auto;
    max-width: var(--main-max-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  main {
    width: 100%;
    margin: 85px auto 60px;
  }


  .title {
    width: min-content;
    white-space: nowrap;
    color: var(--text-color);
    font-size: 1.3em;
    margin: 0 auto;
    margin-bottom: 40px;
    padding: 0 0 0 60px;

    a {
      margin-left: 30px;
      font-size: 0.4em;
      color: var(--primary-color);
    }
  }

  .post {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 1.1em;

    &:hover {
      background-color: var(--primary-pale-color);
    }

    text-decoration: none;
    color: var(--primary-color);

    .date {
      color: var(--primary-color);
      white-space: nowrap;
    }

    @media screen and (max-width: 768px) {
      & {
        font-size: 1.1em;
        margin-left: 5px;
        margin-right: 5px;
        padding-left: 10px;
        padding-right: 10px;
      }
    }
  }
}

/* projects page
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

body.projects {
    #proj-wrapper {
	margin: 0 auto;
	max-width: var(--main-max-width);
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
  }

  main {
    width: 100%;
    margin: 85px auto 60px;
  }

  .proj {
      margin: 0px 15px 5px;

      padding: 15px 15px;
      border-radius: 4px;

      &:hover {
          background-color: var(--primary-pale-color);
      }

    .name {
      font-size: 1.15em;
      margin: 0 0 15px 0;
      color: var(--primary-color);
    }

    .desc {
      line-height: 1.5;
      margin: 0 0 10px 0;

      a {
        color: var(--primary-color);
        text-decoration: underline var(--primary-pale-color) 2px;

        &:hover {
          text-decoration-color: var(--primary-color);
        }
      }

      p>code {
        font-family: var(--code-font);
        font-size: 0.8em;
        padding: 1px 6px;
        color: var(--primary-color);
        background-color: var(--primary-pale-color);
        border-radius: 4px;
      }
    }

    .links {
      display: flex;
      justify-content: end;
      gap: 1em;

      a {
        text-decoration: none;
        border-bottom: 1.5px solid var(--primary-color);
        padding: 0 2px;
        cursor: pointer;
        color: inherit;

        &:visited {
          color: inherit;
        }

        &:hover {
          color: var(--primary-color);
        }
      }
    }
  }
}

/* normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */

html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
}

main {
  display: block;
}

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}

pre {
  font-family: monospace, monospace;
  font-size: 1em;
}

a {
  background-color: transparent;
}

abbr[title] {
  border-bottom: none;
  text-decoration: underline;
  text-decoration: underline dotted;
}

b,
strong {
  font-weight: bolder;
}

code,
kbd,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}

small {
  font-size: 80%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

img {
  border-style: none;
}

button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

button,
input {
  overflow: visible;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
  appearance: button;
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

legend {
  box-sizing: border-box;
  color: inherit;
  display: table;
  max-width: 100%;
  padding: 0;
  white-space: normal;
}

progress {
  vertical-align: baseline;
}

textarea {
  overflow: auto;
}

[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  padding: 0;
}

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

[type="search"] {
  -webkit-appearance: textfield;
  appearance: textfield;
  outline-offset: -2px;
}

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}

details {
  display: block;
}

summary {
  display: list-item;
}

template {
  display: none;
}

[hidden] {
  display: none;
}