initial commit

.gitignore

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+# Generated files by hugo
+/public/
+/resources/_gen/
+/assets/jsconfig.json
+hugo_stats.json
+
+# Executable may be added to repository
+hugo.exe
+hugo.darwin
+hugo.linux
+
+# Temporary lock file while building
+/.hugo_build.lock

README.md

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+# WIP: hugo-theme-chirpy

archetypes/default.md

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++++
+date = '{{ .Date }}'
+draft = true
+title = '{{ replace .File.ContentBaseName "-" " " | title }}'
++++

assets/sass/abstracts/_breakpoints.scss

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+@use 'sass:map';
+
+$-breakpoints: (
+  // 1 column
+  sm: 576px,
+  md: 768px,
+  // 2 columns
+  lg: 850px,
+  // 3 columns
+  xl: 1200px,
+  xxl: 1400px,
+  xxxl: 1650px
+);
+
+@function get($breakpoint) {
+  @return map.get($-breakpoints, $breakpoint);
+}
+
+/* Less than the given width */
+@mixin lt($width) {
+  @media all and (max-width: calc(#{$width} - 1px)) {
+    @content;
+  }
+}
+
+/* Less than or equal to the given width */
+@mixin lte($width) {
+  @media all and (max-width: $width) {
+    @content;
+  }
+}
+
+@mixin sm {
+  @media all and (min-width: get(sm)) {
+    @content;
+  }
+}
+
+@mixin md {
+  @media all and (min-width: get(md)) {
+    @content;
+  }
+}
+
+@mixin lg {
+  @media all and (min-width: get(lg)) {
+    @content;
+  }
+}
+
+@mixin xl {
+  @media all and (min-width: get(xl)) {
+    @content;
+  }
+}
+
+@mixin xxl {
+  @media all and (min-width: get(xxl)) {
+    @content;
+  }
+}
+
+@mixin xxxl {
+  @media all and (min-width: get(xxxl)) {
+    @content;
+  }
+}
+
+@mixin between($min, $max) {
+  @media all and (min-width: $min) and (max-width: $max) {
+    @content;
+  }
+}

assets/sass/abstracts/_index.scss

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+@forward 'variables';
+@forward 'mixins';
+@forward 'placeholders';
+@forward 'breakpoints';

assets/sass/abstracts/_mixins.scss

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+@mixin text-ellipsis {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+@mixin mt-mb($value) {
+  margin-top: $value;
+  margin-bottom: $value;
+}
+
+@mixin ml-mr($value) {
+  margin-left: $value;
+  margin-right: $value;
+}
+
+@mixin pt-pb($val) {
+  padding-top: $val;
+  padding-bottom: $val;
+}
+
+@mixin pl-pr($val, $important: false) {
+  @if $important {
+    padding-left: $val !important;
+    padding-right: $val !important;
+  } @else {
+    padding-left: $val;
+    padding-right: $val;
+  }
+}
+
+@mixin placeholder {
+  color: var(--text-muted-color) !important;
+}
+
+@mixin placeholder-focus {
+  opacity: 0.6;
+}
+
+@mixin label($font-size: 1rem, $font-weight: 600, $color: var(--label-color)) {
+  color: $color;
+  font-size: $font-size;
+  font-weight: $font-weight;
+}
+
+@mixin align-center {
+  position: relative;
+  left: 50%;
+  transform: translateX(-50%);
+}
+
+@mixin prompt($type, $fa-content, $fa-style: 'solid', $rotate: 0) {
+  &.prompt-#{$type} {
+    background-color: var(--prompt-#{$type}-bg);
+
+    &::before {
+      content: $fa-content;
+      color: var(--prompt-#{$type}-icon-color);
+      font: var(--fa-font-#{$fa-style});
+
+      @if $rotate != 0 {
+        transform: rotate(#{$rotate}deg);
+      }
+    }
+  }
+}
+
+@mixin slide($append: null) {
+  $basic: transform 0.4s ease;
+
+  @if $append {
+    transition: $basic, $append;
+  } @else {
+    transition: $basic;
+  }
+}
+
+@mixin max-w-100 {
+  max-width: 100%;
+}

assets/sass/abstracts/_placeholders.scss

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+@use 'variables' as v;
+@use 'mixins' as mx;
+
+%heading {
+  color: var(--heading-color);
+  font-weight: 400;
+  font-family: v.$font-family-heading;
+  scroll-margin-top: 3.5rem;
+}
+
+%anchor {
+  .anchor {
+    font-size: 80%;
+  }
+
+  @media (hover: hover) {
+    .anchor {
+      visibility: hidden;
+      opacity: 0;
+      transition: opacity 0.25s ease-in, visibility 0s ease-in 0.25s;
+    }
+
+    &:hover {
+      .anchor {
+        visibility: visible;
+        opacity: 1;
+        transition: opacity 0.25s ease-in, visibility 0s ease-in 0s;
+      }
+    }
+  }
+}
+
+%tag-hover {
+  background: var(--tag-hover);
+  transition: background 0.35s ease-in-out;
+}
+
+%table-cell {
+  padding: 0.4rem 1rem;
+  font-size: 95%;
+  white-space: nowrap;
+}
+
+%link-hover {
+  color: #d2603a !important;
+  border-bottom: 1px solid #d2603a;
+  text-decoration: none;
+}
+
+%link-color {
+  color: var(--link-color);
+}
+
+%link-underline {
+  border-bottom: 1px solid var(--link-underline-color);
+}
+
+%clickable-transition {
+  transition: all 0.3s ease-in-out;
+}
+
+%no-cursor {
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+
+%no-bottom-border {
+  border-bottom: none;
+}
+
+%cursor-pointer {
+  cursor: pointer;
+}
+
+%normal-font-style {
+  font-style: normal;
+}
+
+%rounded {
+  border-radius: v.$radius-lg;
+}
+
+%img-caption {
+  + em {
+    display: block;
+    text-align: center;
+    font-style: normal;
+    font-size: 80%;
+    padding: 0;
+    color: #6d6c6c;
+  }
+}
+
+%sidebar-links {
+  color: var(--sidebar-muted-color);
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+
+%text-clip {
+  display: -webkit-box;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+}
+
+%text-ellipsis {
+  @include mx.text-ellipsis;
+}
+
+%text-highlight {
+  color: var(--text-muted-highlight-color);
+  font-weight: 600;
+}
+
+%text-sm {
+  font-size: 0.85rem;
+}
+
+%text-xs {
+  font-size: 0.8rem;
+}
+
+%sup-fn-target {
+  &:target {
+    background-color: var(--footnote-target-bg);
+    width: -moz-fit-content;
+    width: -webkit-fit-content;
+    width: fit-content;
+    transition: background-color 1.75s ease-in-out;
+  }
+}
+
+%btn-color {
+  button i {
+    color: #999999;
+  }
+}
+
+%code-snippet-bg {
+  background-color: var(--highlight-bg-color);
+}
+
+%code-snippet-padding {
+  padding-left: 1rem;
+  padding-right: 1.5rem;
+}
+
+%max-w-100 {
+  max-width: 100%;
+}
+
+%panel-border {
+  border-left: 1px solid var(--main-border-color);
+}

assets/sass/abstracts/_variables.scss

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+/* sidebar */
+
+$sidebar-width: 260px !default; /* the basic width */
+$sidebar-width-large: 300px !default; /* screen width: >= 1650px */
+$sb-btn-gap: 0.8rem !default;
+$sb-btn-gap-lg: 1rem !default;
+
+/* other framework sizes */
+
+$topbar-height: 3rem !default;
+$search-max-width: 200px !default;
+$footer-height: 5rem !default;
+$footer-height-large: 6rem !default; /* screen width: < 850px */
+$main-content-max-width: 1250px !default;
+$radius-sm: 6px !default;
+$radius-lg: 10px !default;
+$back2top-size: 2.75rem !default;
+
+/* syntax highlight */
+
+$code-font-size: 0.85rem !default;
+$code-header-height: 2.25rem !default;
+$code-dot-size: 0.75rem !default;
+$code-dot-gap: 0.5rem !default;
+$code-icon-width: 1.75rem !default;
+
+/* fonts */
+
+$font-family-base: 'Source Sans Pro', 'Microsoft Yahei', sans-serif !default;
+$font-family-heading: Lato, 'Microsoft Yahei', sans-serif !default;

assets/sass/base/_base.scss

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+@use '../abstracts/variables' as v;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/placeholders';
+@use '../themes/light';
+@use '../themes/dark';
+
+:root {
+  font-size: 16px;
+}
+
+html {
+  @media (prefers-color-scheme: light) {
+    &:not([data-mode]),
+    &[data-mode='light'] {
+      @include light.styles;
+    }
+
+    &[data-mode='dark'] {
+      @include dark.styles;
+    }
+  }
+
+  @media (prefers-color-scheme: dark) {
+    &:not([data-mode]),
+    &[data-mode='dark'] {
+      @include dark.styles;
+    }
+
+    &[data-mode='light'] {
+      @include light.styles;
+    }
+  }
+
+  @include bp.lg {
+    overflow-y: scroll;
+  }
+}
+
+body {
+  background: var(--main-bg);
+  padding: env(safe-area-inset-top) env(safe-area-inset-right)
+    env(safe-area-inset-bottom) env(safe-area-inset-left);
+  color: var(--text-color);
+  -webkit-font-smoothing: antialiased;
+  font-family: v.$font-family-base;
+}
+
+h1.dynamic-title {
+  @include bp.lt(bp.get(lg)) {
+    display: none;
+
+    ~ .content {
+      margin-top: 2.5rem;
+    }
+  }
+}
+
+main {
+  &.col-12 {
+    @include bp.xxxl {
+      padding-right: 4.5rem !important;
+    }
+  }
+}
+
+.preview-img {
+  aspect-ratio: 40 / 21;
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+
+  @extend %rounded;
+
+  &:not(.no-bg) {
+    background: var(--img-bg);
+  }
+
+  img {
+    height: 100%;
+    -o-object-fit: cover;
+    object-fit: cover;
+
+    @extend %rounded;
+
+    @at-root #post-list & {
+      width: 100%;
+    }
+  }
+}
+
+.post-preview {
+  @extend %rounded;
+
+  border: 0;
+  background: var(--card-bg);
+  box-shadow: var(--card-shadow);
+
+  &::before {
+    @extend %rounded;
+
+    content: '';
+    width: 100%;
+    height: 100%;
+    position: absolute;
+    background-color: var(--card-hovor-bg);
+    opacity: 0;
+    transition: opacity 0.35s ease-in-out;
+  }
+
+  &:hover {
+    &::before {
+      opacity: 0.3;
+    }
+  }
+}
+
+.post-meta {
+  @extend %text-sm;
+
+  a {
+    &:not([class]):hover {
+      @extend %link-hover;
+    }
+  }
+
+  em {
+    @extend %normal-font-style;
+  }
+}
+
+.content {
+  font-size: 1.08rem;
+  margin-top: 2rem;
+  overflow-wrap: break-word;
+
+  @include bp.xl {
+    font-size: 1.03rem;
+  }
+
+  a {
+    &.popup {
+      @extend %no-cursor;
+      @extend %img-caption;
+      @include mx.mt-mb(0.5rem);
+
+      cursor: zoom-in;
+    }
+
+    &:not(.img-link) {
+      @extend %link-underline;
+
+      &:hover {
+        @extend %link-hover;
+      }
+    }
+  }
+
+  ol,
+  ul {
+    &:not([class]),
+    &.task-list {
+      -webkit-padding-start: 1.75rem;
+      padding-inline-start: 1.75rem;
+
+      li {
+        margin: 0.25rem 0;
+        padding-left: 0.25rem;
+      }
+
+      ol,
+      ul {
+        -webkit-padding-start: 1.25rem;
+        padding-inline-start: 1.25rem;
+        margin: 0.5rem 0;
+      }
+    }
+  }
+
+  ul.task-list {
+    -webkit-padding-start: 1.25rem;
+    padding-inline-start: 1.25rem;
+
+    li {
+      list-style-type: none;
+      padding-left: 0;
+
+      /* checkbox icon */
+      > i {
+        width: 2rem;
+        margin-left: -1.25rem;
+        color: var(--checkbox-color);
+
+        &.checked {
+          color: var(--checkbox-checked-color);
+        }
+      }
+
+      ul {
+        -webkit-padding-start: 1.75rem;
+        padding-inline-start: 1.75rem;
+      }
+    }
+
+    input[type='checkbox'] {
+      margin: 0 0.5rem 0.2rem -1.3rem;
+      vertical-align: middle;
+    }
+  } /* ul */
+
+  dl > dd {
+    margin-left: 1rem;
+  }
+
+  ::marker {
+    color: var(--text-muted-color);
+  }
+
+  .table-wrapper > table {
+    @include bp.lg {
+      min-width: 70%;
+    }
+  }
+} /* .content */
+
+.tag:hover {
+  @extend %tag-hover;
+}
+
+.post-tag {
+  display: inline-block;
+  min-width: 2rem;
+  text-align: center;
+  border-radius: 0.5rem;
+  border: 1px solid var(--btn-border-color);
+  padding: 0 0.4rem;
+  color: var(--text-muted-color);
+  line-height: 1.3rem;
+
+  &:not(:last-child) {
+    margin-right: 0.2rem;
+  }
+}
+
+.rounded-10 {
+  border-radius: 10px !important;
+}
+
+.img-link {
+  color: transparent;
+  display: inline-flex;
+}
+
+.shimmer {
+  overflow: hidden;
+  position: relative;
+  background: var(--img-bg);
+
+  &::before {
+    content: '';
+    position: absolute;
+    background: var(--shimmer-bg);
+    height: 100%;
+    width: 100%;
+    -webkit-animation: shimmer 1.3s infinite;
+    animation: shimmer 1.3s infinite;
+  }
+
+  @-webkit-keyframes shimmer {
+    0% {
+      transform: translateX(-100%);
+    }
+
+    100% {
+      transform: translateX(100%);
+    }
+  }
+
+  @keyframes shimmer {
+    0% {
+      transform: translateX(-100%);
+    }
+
+    100% {
+      transform: translateX(100%);
+    }
+  }
+}
+
+.embed-video {
+  width: 100%;
+  height: 100%;
+  margin-bottom: 1rem;
+  aspect-ratio: 16 / 9;
+
+  @extend %rounded;
+
+  &.twitch {
+    aspect-ratio: 310 / 189;
+  }
+
+  &.file {
+    display: block;
+    width: auto;
+    height: auto;
+    max-width: 100%;
+    max-height: 100%;
+    margin: auto;
+    margin-bottom: 0;
+  }
+
+  @extend %img-caption;
+}
+
+.embed-audio {
+  width: 100%;
+  display: block;
+
+  @extend %img-caption;
+}
+
+/* --- Effects classes --- */
+
+.flex-grow-1 {
+  flex-grow: 1 !important;
+}
+
+.btn-box-shadow {
+  box-shadow: var(--card-shadow);
+}
+
+/* overwrite bootstrap muted */
+.text-muted {
+  color: var(--text-muted-color) !important;
+}
+
+/* Overwrite bootstrap tooltip */
+.tooltip-inner {
+  font-size: 0.7rem;
+  max-width: 220px;
+  text-align: left;
+}
+
+/* Overwrite bootstrap outline button */
+.btn.btn-outline-primary {
+  &:not(.disabled):hover {
+    border-color: #007bff !important;
+  }
+}
+
+.disabled {
+  color: rgb(206, 196, 196);
+  pointer-events: auto;
+  cursor: not-allowed;
+}
+
+.hide-border-bottom {
+  border-bottom: none !important;
+}
+
+.input-focus {
+  box-shadow: none;
+  border-color: var(--input-focus-border-color) !important;
+  background: center !important;
+  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
+}
+
+.left {
+  float: left;
+  margin: 0.75rem 1rem 1rem 0;
+}
+
+.right {
+  float: right;
+  margin: 0.75rem 0 1rem 1rem;
+}
+
+/* --- Overriding --- */
+
+/* mermaid */
+.mermaid {
+  text-align: center;
+}
+
+/* MathJax */
+mjx-container {
+  overflow-y: hidden;
+  min-width: auto !important;
+}
+
+@media (hover: hover) {
+  #sidebar ul > li:last-child::after {
+    transition: top 0.5s ease;
+  }
+
+  .nav-link {
+    transition: background-color 0.3s ease-in-out;
+  }
+
+  .post-preview {
+    transition: background-color 0.35s ease-in-out;
+  }
+}
+
+#mask {
+  inset: 0 0 0 0;
+}
+
+#main-wrapper {
+  position: relative;
+
+  @include mx.pl-pr(0);
+
+  @include bp.lt(bp.get(lg)) {
+    @include mx.slide;
+  }
+
+  @include bp.lg {
+    margin-left: v.$sidebar-width;
+  }
+
+  @include bp.xxxl {
+    margin-left: v.$sidebar-width-large;
+  }
+
+  > .container {
+    min-height: 100vh;
+
+    @include bp.lte(bp.get(md)) {
+      @include mx.max-w-100;
+      @include mx.pl-pr(0);
+    }
+
+    @include bp.lt(bp.get(lg)) {
+      max-width: 100%;
+    }
+
+    /* Pad horizontal */
+    @include bp.between(992px, calc(#{bp.get(xl)} - 1px)) {
+      .col-lg-11 {
+        flex: 0 0 96%;
+        max-width: 96%;
+      }
+    }
+
+    @include bp.lt(bp.get(xl)) {
+      > .row {
+        justify-content: center !important;
+      }
+    }
+
+    @include bp.xxxl {
+      max-width: v.$main-content-max-width;
+
+      @include mx.pl-pr(1.75rem, true);
+    }
+  }
+}
+
+/* --- basic wrappers --- */
+
+#topbar-wrapper.row,
+#main-wrapper > .container > .row,
+#search-result-wrapper > .row {
+  @include mx.ml-mr(0);
+}
+
+#tail-wrapper {
+  @include bp.xxxl {
+    padding-right: 4.5rem !important;
+  }
+
+  > :not(script) {
+    margin-top: 3rem;
+  }
+}

assets/sass/base/_index.scss

@@ -0,0 +1,4 @@
+@forward 'reset';
+@forward 'base';
+@forward 'typography';
+@forward 'syntax';

assets/sass/base/_reset.scss

@@ -0,0 +1,41 @@
+@use '../abstracts/mixins' as *;
+
+::-webkit-input-placeholder {
+  @include placeholder;
+}
+
+::-moz-placeholder {
+  @include placeholder;
+}
+
+:-ms-input-placeholder {
+  @include placeholder;
+}
+
+::-ms-input-placeholder {
+  @include placeholder;
+}
+
+::placeholder {
+  @include placeholder;
+}
+
+:focus::-webkit-input-placeholder {
+  @include placeholder-focus;
+}
+
+:focus::-moz-placeholder {
+  @include placeholder-focus;
+}
+
+:focus:-ms-input-placeholder {
+  @include placeholder-focus;
+}
+
+:focus::-ms-input-placeholder {
+  @include placeholder-focus;
+}
+
+:focus::placeholder {
+  @include placeholder-focus;
+}

assets/sass/base/_syntax.scss

@@ -0,0 +1,253 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/placeholders';
+
+.highlighter-rouge {
+  color: var(--highlighter-rouge-color);
+  margin-top: 0.5rem;
+  margin-bottom: 1.2em; /* Override BS Inline-code style */
+}
+
+.highlight {
+  @extend %rounded;
+  @extend %code-snippet-bg;
+
+  overflow: auto;
+  padding-bottom: 0.75rem;
+
+  @at-root figure#{&} {
+    @extend %code-snippet-bg;
+  }
+
+  pre {
+    margin-bottom: 0;
+    font-size: v.$code-font-size;
+    line-height: 1.4rem;
+    word-wrap: normal; /* Fixed Safari overflow-x */
+  }
+
+  table {
+    td {
+      &:first-child {
+        display: inline-block;
+        margin-left: 1rem;
+        margin-right: 0.75rem;
+      }
+
+      &:last-child {
+        padding-right: 2rem !important;
+      }
+
+      pre {
+        overflow: visible; /* Fixed iOS safari overflow-x */
+        word-break: normal; /* Fixed iOS safari linenos code break */
+      }
+    }
+  }
+
+  .lineno {
+    text-align: right;
+    color: var(--highlight-lineno-color);
+    -webkit-user-select: none;
+    -moz-user-select: none;
+    -o-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
+  }
+} /* .highlight */
+
+code {
+  -webkit-hyphens: none;
+  -ms-hyphens: none;
+  hyphens: none;
+  color: var(--code-color);
+
+  &.highlighter-rouge {
+    font-size: v.$code-font-size;
+    padding: 3px 5px;
+    word-break: break-word;
+    border-radius: v.$radius-sm;
+    background-color: var(--inline-code-bg);
+  }
+
+  &.filepath {
+    background-color: inherit;
+    color: var(--filepath-text-color);
+    font-weight: 600;
+    padding: 0;
+  }
+
+  a > &.highlighter-rouge {
+    padding-bottom: 0; /* show link's underlinke */
+    color: inherit;
+  }
+
+  a:hover > &.highlighter-rouge {
+    border-bottom: none;
+  }
+
+  blockquote & {
+    color: inherit;
+  }
+}
+
+td.rouge-code {
+  @extend %code-snippet-padding;
+
+  /*
+    Prevent some browser extends from
+    changing the URL string of code block.
+  */
+  a {
+    color: inherit !important;
+    border-bottom: none !important;
+    pointer-events: none;
+  }
+}
+
+div[class^='language-'] {
+  @extend %rounded;
+  @extend %code-snippet-bg;
+
+  box-shadow: var(--language-border-color) 0 0 0 1px;
+
+  .content > & {
+    @include mx.ml-mr(-1rem);
+
+    border-radius: 0;
+
+    @include bp.sm {
+      @include mx.ml-mr(0);
+
+      border-radius: v.$radius-lg;
+    }
+  }
+
+  .code-header {
+    @include bp.sm {
+      @include mx.ml-mr(0);
+
+      $dot-margin: 1rem;
+
+      &::before {
+        content: '';
+        display: inline-block;
+        margin-left: $dot-margin;
+        width: v.$code-dot-size;
+        height: v.$code-dot-size;
+        border-radius: 50%;
+        background-color: var(--code-header-muted-color);
+        box-shadow: (v.$code-dot-size + v.$code-dot-gap) 0 0
+            var(--code-header-muted-color),
+          (v.$code-dot-size + v.$code-dot-gap) * 2 0 0
+            var(--code-header-muted-color);
+      }
+
+      span {
+        // center the text of label
+        margin-left: calc(($dot-margin + v.$code-dot-size) / 2 * -1);
+      }
+    }
+  }
+
+  .highlight {
+    border-top-left-radius: 0;
+    border-top-right-radius: 0;
+  }
+}
+
+/* Hide line numbers for default, console, and terminal code snippets */
+div {
+  &.nolineno,
+  &.language-plaintext,
+  &.language-console,
+  &.language-terminal {
+    td:first-child {
+      padding: 0 !important;
+      margin-right: 0;
+
+      .lineno {
+        display: none;
+      }
+    }
+  }
+}
+
+.code-header {
+  @extend %no-cursor;
+
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  height: v.$code-header-height;
+  margin-left: 0.75rem;
+  margin-right: 0.25rem;
+
+  /* the label block */
+  span {
+    line-height: v.$code-header-height;
+
+    /* label icon */
+    i {
+      font-size: 1rem;
+      width: v.$code-icon-width;
+      color: var(--code-header-icon-color);
+
+      &.small {
+        font-size: 70%;
+      }
+    }
+
+    @at-root [file] #{&} > i {
+      position: relative;
+      top: 1px; /* center the file icon */
+    }
+
+    /* label text */
+    &::after {
+      content: attr(data-label-text);
+      font-size: 0.85rem;
+      font-weight: 600;
+      color: var(--code-header-text-color);
+    }
+  }
+
+  /* clipboard */
+  button {
+    @extend %cursor-pointer;
+    @extend %rounded;
+
+    border: 1px solid transparent;
+    height: v.$code-header-height;
+    width: v.$code-header-height;
+    padding: 0;
+    background-color: inherit;
+
+    i {
+      color: var(--code-header-icon-color);
+    }
+
+    &[timeout] {
+      &:hover {
+        border-color: var(--clipboard-checked-color);
+      }
+
+      i {
+        color: var(--clipboard-checked-color);
+      }
+    }
+
+    &:focus {
+      outline: none;
+    }
+
+    &:not([timeout]):hover {
+      background-color: rgba(128, 128, 128, 0.37);
+
+      i {
+        color: white;
+      }
+    }
+  }
+}

assets/sass/base/_typography.scss

@@ -0,0 +1,266 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/placeholders';
+
+@for $i from 1 through 5 {
+  h#{$i} {
+    @extend %heading;
+
+    @if $i > 1 {
+      @extend %anchor;
+    }
+
+    @if $i < 5 {
+      $size-factor: 0.25rem;
+
+      @if $i > 1 {
+        $size-factor: 0.18rem;
+
+        main & {
+          @if $i == 2 {
+            margin: 2.5rem 0 1.25rem;
+          } @else {
+            margin: 2rem 0 1rem;
+          }
+        }
+      }
+
+      & {
+        font-size: 1rem + (5 - $i) * $size-factor;
+      }
+    } @else {
+      font-size: 1.05rem;
+    }
+  }
+}
+
+a {
+  @extend %link-color;
+
+  text-decoration: none;
+}
+
+img {
+  max-width: 100%;
+  height: auto;
+  transition: all 0.35s ease-in-out;
+
+  .blur & {
+    $blur: 20px;
+
+    -webkit-filter: blur($blur);
+    filter: blur($blur);
+  }
+}
+
+blockquote {
+  border-left: 0.125rem solid var(--blockquote-border-color);
+  padding-left: 1rem;
+  color: var(--blockquote-text-color);
+  margin-top: 0.5rem;
+
+  > p:last-child {
+    margin-bottom: 0;
+  }
+
+  &[class^='prompt-'] {
+    border-left: 0;
+    position: relative;
+    padding: 1rem 1rem 1rem 3rem;
+    color: var(--prompt-text-color);
+
+    @extend %rounded;
+
+    &::before {
+      text-align: center;
+      width: 3rem;
+      position: absolute;
+      left: 0.25rem;
+      margin-top: 0.4rem;
+      text-rendering: auto;
+      -webkit-font-smoothing: antialiased;
+    }
+  }
+
+  @include mx.prompt('tip', '\f0eb', $fa-style: 'regular');
+  @include mx.prompt('info', '\f06a', $rotate: 180);
+  @include mx.prompt('warning', '\f06a');
+  @include mx.prompt('danger', '\f071');
+}
+
+kbd {
+  font-family: Lato, sans-serif;
+  display: inline-block;
+  vertical-align: middle;
+  line-height: 1.3rem;
+  min-width: 1.75rem;
+  text-align: center;
+  margin: 0 0.3rem;
+  padding-top: 0.1rem;
+  color: var(--kbd-text-color);
+  background-color: var(--kbd-bg-color);
+  border-radius: v.$radius-sm;
+  border: solid 1px var(--kbd-wrap-color);
+  box-shadow: inset 0 -2px 0 var(--kbd-wrap-color);
+}
+
+hr {
+  border-color: var(--main-border-color);
+  opacity: 1;
+}
+
+footer {
+  background-color: var(--main-bg);
+  height: v.$footer-height;
+  border-top: 1px solid var(--main-border-color);
+
+  @extend %text-xs;
+
+  a {
+    @extend %text-highlight;
+
+    &:hover {
+      @extend %link-hover;
+    }
+  }
+
+  em {
+    @extend %text-highlight;
+  }
+
+  p {
+    text-align: center;
+    margin-bottom: 0;
+  }
+}
+
+/* fontawesome icons */
+i {
+  &.far,
+  &.fas {
+    @extend %no-cursor;
+  }
+}
+
+sup {
+  @extend %sup-fn-target;
+}
+
+main {
+  line-height: 1.75;
+
+  h1 {
+    margin-top: 2rem;
+
+    @include bp.lg {
+      margin-top: 3rem;
+    }
+  }
+
+  p {
+    > a.popup {
+      &:not(.normal):not(.left):not(.right) {
+        @include mx.align-center;
+      }
+    }
+  }
+
+  .categories,
+  #tags,
+  #archives {
+    a:not(:hover) {
+      @extend %no-bottom-border;
+    }
+  }
+
+  @include bp.lte(bp.get(sm)) {
+    .content {
+      > blockquote[class^='prompt-'] {
+        @include mx.ml-mr(-1rem);
+
+        border-radius: 0;
+        max-width: none;
+      }
+    }
+  }
+}
+
+.footnotes > ol {
+  padding-left: 2rem;
+  margin-top: 0.5rem;
+
+  > li {
+    &:not(:last-child) {
+      margin-bottom: 0.3rem;
+    }
+
+    @extend %sup-fn-target;
+
+    > p {
+      margin-left: 0.25em;
+
+      @include mx.mt-mb(0);
+    }
+  }
+}
+
+.footnote {
+  @at-root a#{&} {
+    @include mx.ml-mr(1px);
+    @include mx.pl-pr(2px);
+
+    border-bottom-style: none !important;
+  }
+}
+
+.reversefootnote {
+  @at-root a#{&} {
+    font-size: 0.6rem;
+    line-height: 1;
+    position: relative;
+    bottom: 0.25em;
+    margin-left: 0.25em;
+    border-bottom-style: none !important;
+  }
+}
+
+/* --- Begin of Markdown table style --- */
+
+/* it will be created by Liquid */
+.table-wrapper {
+  overflow-x: auto;
+  margin-bottom: 1.5rem;
+
+  > table {
+    min-width: 100%;
+    overflow-x: auto;
+    border-spacing: 0;
+
+    thead {
+      border-bottom: solid 2px rgba(210, 215, 217, 0.75);
+
+      th {
+        @extend %table-cell;
+      }
+    }
+
+    tbody {
+      tr {
+        border-bottom: 1px solid var(--tb-border-color);
+
+        &:nth-child(2n) {
+          background-color: var(--tb-even-bg);
+        }
+
+        &:nth-child(2n + 1) {
+          background-color: var(--tb-odd-bg);
+        }
+
+        td {
+          @extend %table-cell;
+        }
+      }
+    } /* tbody */
+  } /* table */
+}

assets/sass/components/_buttons.scss

@@ -0,0 +1,51 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/breakpoints' as bp;
+
+#back-to-top {
+  visibility: hidden;
+  opacity: 0;
+  z-index: 1;
+  cursor: pointer;
+  position: fixed;
+  right: 1rem;
+  bottom: calc(v.$footer-height-large - v.$back2top-size / 2);
+  background: var(--button-bg);
+  color: var(--btn-backtotop-color);
+  padding: 0;
+  width: v.$back2top-size;
+  height: v.$back2top-size;
+  border-radius: 50%;
+  border: 1px solid var(--btn-backtotop-border-color);
+  transition: opacity 0.5s ease-in-out, transform 0.2s ease-out;
+
+  @include bp.lg {
+    right: 5%;
+    bottom: calc(v.$footer-height - v.$back2top-size / 2);
+  }
+
+  @include bp.xxl {
+    right: calc((100vw - v.$sidebar-width - 1140px) / 2 + 3rem);
+  }
+
+  @include bp.xxxl {
+    right: calc(
+      (100vw - v.$sidebar-width-large - v.$main-content-max-width) / 2 + 2rem
+    );
+  }
+
+  &:hover {
+    transform: translate3d(0, -5px, 0);
+    -webkit-transform: translate3d(0, -5px, 0);
+  }
+
+  i {
+    line-height: v.$back2top-size;
+    position: relative;
+    bottom: 2px;
+  }
+
+  &.show {
+    opacity: 1;
+    visibility: visible;
+  }
+}

assets/sass/components/_index.scss

@@ -0,0 +1,2 @@
+@forward 'buttons';
+@forward 'popups';

assets/sass/components/_popups.scss

@@ -0,0 +1,172 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/placeholders';
+
+/* PWA update popup */
+#notification {
+  @-webkit-keyframes popup {
+    from {
+      opacity: 0;
+      bottom: 0;
+    }
+  }
+
+  @keyframes popup {
+    from {
+      opacity: 0;
+      bottom: 0;
+    }
+  }
+
+  .toast-header {
+    background: none;
+    border-bottom: none;
+    color: inherit;
+  }
+
+  .toast-body {
+    font-family: Lato, sans-serif;
+    line-height: 1.25rem;
+
+    button {
+      font-size: 90%;
+      min-width: 4rem;
+    }
+  }
+
+  &.toast {
+    &.show {
+      display: block;
+      min-width: 20rem;
+      border-radius: 0.5rem;
+      -webkit-backdrop-filter: blur(10px);
+      backdrop-filter: blur(10px);
+      background-color: rgba(255, 255, 255, 0.5);
+      color: #1b1b1eba;
+      position: fixed;
+      left: 50%;
+      bottom: 20%;
+      transform: translateX(-50%);
+      -webkit-animation: popup 0.8s;
+      animation: popup 0.8s;
+    }
+  }
+}
+
+#toc-popup {
+  $slide-in: slide-in 0.3s ease-out;
+  $slide-out: slide-out 0.3s ease-out;
+  $curtain-height: 2rem;
+  $backdrop: blur(5px);
+
+  border-color: var(--toc-popup-border-color);
+  border-width: 1px;
+  border-radius: v.$radius-lg;
+  color: var(--text-color);
+  background: var(--card-bg);
+  margin-top: v.$topbar-height;
+  min-width: 20rem;
+  font-size: 1.05rem;
+
+  @include bp.sm {
+    max-width: 32rem;
+  }
+
+  &[open] {
+    -webkit-animation: $slide-in;
+    animation: $slide-in;
+  }
+
+  &[closing] {
+    -webkit-animation: $slide-out;
+    animation: $slide-out;
+  }
+
+  @include bp.lg {
+    left: v.$sidebar-width;
+  }
+
+  .header {
+    @extend %btn-color;
+
+    position: -webkit-sticky;
+    position: sticky;
+    top: 0;
+    background-color: inherit;
+    border-bottom: 1px solid var(--main-border-color);
+
+    .label {
+      font-family: v.$font-family-heading;
+    }
+  }
+
+  button {
+    > i {
+      font-size: 1.25rem;
+      vertical-align: middle;
+    }
+
+    &:focus-visible {
+      box-shadow: none;
+    }
+  }
+
+  ul {
+    list-style-type: none;
+    padding-left: 0;
+
+    li {
+      ul,
+      & + li {
+        margin-top: 0.25rem;
+      }
+
+      a {
+        display: flex;
+        line-height: 1.5;
+        padding: 0.375rem 0;
+        padding-right: 1.125rem;
+
+        &.toc-link::before {
+          display: none;
+        }
+      }
+    }
+  }
+
+  @for $i from 2 through 4 {
+    .node-name--H#{$i} {
+      padding-left: 1.125rem * ($i - 1);
+    }
+  }
+
+  .is-active-link {
+    color: var(--toc-highlight) !important;
+    font-weight: 600;
+  }
+
+  &::-webkit-backdrop {
+    -webkit-backdrop-filter: $backdrop;
+    backdrop-filter: $backdrop;
+  }
+
+  &::backdrop {
+    -webkit-backdrop-filter: $backdrop;
+    backdrop-filter: $backdrop;
+  }
+
+  &::after {
+    display: flex;
+    content: '';
+    position: relative;
+    background: linear-gradient(transparent, var(--card-bg) 70%);
+    height: $curtain-height;
+  }
+
+  #toc-popup-content {
+    overflow: auto;
+    max-height: calc(100vh - 4 * v.$topbar-height);
+    font-family: v.$font-family-heading;
+    margin-bottom: -$curtain-height;
+  }
+}

assets/sass/layout/_footer.scss

@@ -0,0 +1,36 @@
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/variables' as v;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/placeholders';
+
+footer {
+  background-color: var(--main-bg);
+  height: v.$footer-height;
+  border-top: 1px solid var(--main-border-color);
+
+  @extend %text-xs;
+
+  @include bp.lt(bp.get(lg)) {
+    @include mx.slide;
+
+    height: v.$footer-height-large;
+    padding: 1.5rem 0;
+  }
+
+  a {
+    @extend %text-highlight;
+
+    &:hover {
+      @extend %link-hover;
+    }
+  }
+
+  em {
+    @extend %text-highlight;
+  }
+
+  p {
+    text-align: center;
+    margin-bottom: 0;
+  }
+}

assets/sass/layout/_index.scss

@@ -0,0 +1,4 @@
+@forward 'sidebar';
+@forward 'topbar';
+@forward 'panel';
+@forward 'footer';

assets/sass/layout/_panel.scss

@@ -0,0 +1,70 @@
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/placeholders';
+
+.access {
+  top: 2rem;
+  transition: top 0.2s ease-in-out;
+  margin-top: 3rem;
+
+  &:only-child {
+    position: -webkit-sticky;
+    position: sticky;
+  }
+
+  > section {
+    @extend %panel-border;
+
+    padding-left: 1rem;
+
+    &:not(:first-child) {
+      margin-top: 4rem;
+    }
+  }
+
+  .content {
+    font-size: 0.9rem;
+  }
+}
+
+#panel-wrapper {
+  /* the headings */
+  .panel-heading {
+    font-family: inherit;
+    line-height: inherit;
+
+    @include mx.label(inherit);
+  }
+
+  .post-tag {
+    line-height: 1.05rem;
+    font-size: 0.85rem;
+    border-radius: 0.8rem;
+    padding: 0.3rem 0.5rem;
+    margin: 0 0.35rem 0.5rem 0;
+
+    &:hover {
+      transition: all 0.3s ease-in;
+    }
+  }
+
+  > :last-child {
+    margin-bottom: 4rem;
+  }
+
+  @include bp.lt(bp.get(xl)) {
+    display: none;
+  }
+}
+
+#access-lastmod {
+  a {
+    color: inherit;
+
+    &:hover {
+      @extend %link-hover;
+    }
+
+    @extend %no-bottom-border;
+  }
+}

assets/sass/layout/_sidebar.scss

@@ -0,0 +1,258 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/placeholders';
+
+$btn-border-width: 3px;
+$btn-mb: 0.5rem;
+$sidebar-display: 'sidebar-display'; /* the attribute for sidebar display */
+
+#sidebar {
+  @include mx.pl-pr(0);
+
+  position: fixed;
+  top: 0;
+  left: 0;
+  height: 100%;
+  overflow-y: auto;
+  width: v.$sidebar-width;
+  background: var(--sidebar-bg);
+  border-right: 1px solid var(--sidebar-border-color);
+
+  /* Hide scrollbar for IE, Edge and Firefox */
+  -ms-overflow-style: none; /* IE and Edge */
+  scrollbar-width: none; /* Firefox */
+
+  /* Hide scrollbar for Chrome, Safari and Opera */
+  &::-webkit-scrollbar {
+    display: none;
+  }
+
+  @include bp.lt(bp.get(lg)) {
+    @include mx.slide;
+
+    transform: translateX(-#{v.$sidebar-width}); /* hide */
+    -webkit-transform: translateX(-#{v.$sidebar-width});
+
+    [#{$sidebar-display}] & {
+      transform: translateX(0);
+    }
+  }
+
+  @include bp.xxxl {
+    width: v.$sidebar-width-large;
+  }
+
+  %sidebar-link-hover {
+    &:hover {
+      color: var(--sidebar-active-color);
+    }
+  }
+
+  a {
+    @extend %sidebar-links;
+  }
+
+  #avatar {
+    display: block;
+    width: 6.5rem;
+    height: 6.5rem;
+    overflow: hidden;
+    box-shadow: var(--avatar-border-color) 0 0 0 2px;
+    transform: translateZ(0); /* fixed the zoom in Safari */
+
+    @include bp.sm {
+      width: 7rem;
+      height: 7rem;
+    }
+
+    img {
+      transition: transform 0.5s;
+
+      &:hover {
+        transform: scale(1.2);
+      }
+    }
+  }
+
+  .profile-wrapper {
+    @include mx.mt-mb(2.5rem);
+    @extend %clickable-transition;
+
+    padding-left: 2.5rem;
+    padding-right: 1.25rem;
+    width: 100%;
+
+    @include bp.lg {
+      margin-top: 3rem;
+    }
+
+    @include bp.xxxl {
+      margin-top: 3.5rem;
+      margin-bottom: 2.5rem;
+      padding-left: 3.5rem;
+    }
+  }
+
+  .site-title {
+    @extend %clickable-transition;
+    @extend %sidebar-link-hover;
+
+    font-family: inherit;
+    font-weight: 900;
+    font-size: 1.75rem;
+    line-height: 1.2;
+    letter-spacing: 0.25px;
+    margin-top: 1.25rem;
+    margin-bottom: 0.5rem;
+    width: fit-content;
+    color: var(--site-title-color);
+  }
+
+  .site-subtitle {
+    font-size: 95%;
+    color: var(--site-subtitle-color);
+    margin-top: 0.25rem;
+    word-spacing: 1px;
+    -webkit-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
+  }
+
+  ul {
+    margin-bottom: 2rem;
+
+    li.nav-item {
+      opacity: 0.9;
+      width: 100%;
+
+      @include mx.pl-pr(1.5rem);
+
+      @include bp.xxxl {
+        @include mx.pl-pr(2.75rem);
+      }
+
+      a.nav-link {
+        @include mx.pt-pb(0.6rem);
+
+        display: flex;
+        align-items: center;
+        border-radius: 0.75rem;
+        font-weight: 600;
+
+        &:hover {
+          background-color: var(--sidebar-hover-bg);
+        }
+
+        i {
+          font-size: 95%;
+          opacity: 0.8;
+          margin-right: 1.5rem;
+        }
+
+        span {
+          font-size: 90%;
+          letter-spacing: 0.2px;
+        }
+      }
+
+      &.active {
+        .nav-link {
+          color: var(--sidebar-active-color);
+          background-color: var(--sidebar-hover-bg);
+
+          span {
+            opacity: 1;
+          }
+        }
+      }
+
+      &:not(:first-child) {
+        margin-top: 0.25rem;
+      }
+    }
+  }
+
+  .sidebar-bottom {
+    padding-left: 2rem;
+    padding-right: 1rem;
+    margin-bottom: 1.5rem;
+
+    @include bp.xxxl {
+      padding-left: 2.75rem;
+      margin-bottom: 1.75rem;
+    }
+
+    $btn-size: 1.75rem;
+
+    %button {
+      width: $btn-size;
+      height: $btn-size;
+      margin-bottom: $btn-mb; // multi line gap
+      border-radius: 50%;
+      color: var(--sidebar-btn-color);
+      background-color: var(--sidebar-btn-bg);
+      text-align: center;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+
+      &:not(:focus-visible) {
+        box-shadow: var(--sidebar-border-color) 0 0 0 1px;
+      }
+
+      &:hover {
+        background-color: var(--sidebar-hover-bg);
+      }
+    }
+
+    a {
+      @extend %button;
+      @extend %sidebar-link-hover;
+      @extend %clickable-transition;
+
+      &:not(:last-child) {
+        margin-right: v.$sb-btn-gap;
+
+        @include bp.xxxl {
+          margin-right: v.$sb-btn-gap-lg;
+        }
+      }
+    }
+
+    i {
+      line-height: $btn-size;
+    }
+
+    #mode-toggle {
+      @extend %button;
+      @extend %sidebar-links;
+      @extend %sidebar-link-hover;
+    }
+
+    .icon-border {
+      @extend %no-cursor;
+      @include mx.ml-mr(calc((v.$sb-btn-gap - $btn-border-width) / 2));
+
+      background-color: var(--sidebar-btn-color);
+      content: '';
+      width: $btn-border-width;
+      height: $btn-border-width;
+      border-radius: 50%;
+      margin-bottom: $btn-mb;
+
+      @include bp.xxxl {
+        @include mx.ml-mr(calc((v.$sb-btn-gap-lg - $btn-border-width) / 2));
+      }
+    }
+  } /* .sidebar-bottom */
+} /* #sidebar */
+
+[#{$sidebar-display}] {
+  #main-wrapper {
+    @include bp.lt(bp.get(lg)) {
+      transform: translateX(v.$sidebar-width);
+    }
+  }
+}

assets/sass/layout/_topbar.scss

@@ -0,0 +1,86 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/placeholders';
+
+#topbar-wrapper {
+  height: v.$topbar-height;
+  background-color: var(--topbar-bg);
+
+  @include bp.lt(bp.get(lg)) {
+    @include mx.slide(top 0.2s ease);
+
+    left: 0;
+  }
+}
+
+#topbar {
+  @extend %btn-color;
+
+  #breadcrumb {
+    font-size: 1rem;
+    color: var(--text-muted-color);
+    padding-left: 0.5rem;
+
+    a:hover {
+      @extend %link-hover;
+    }
+
+    span {
+      &:not(:last-child) {
+        &::after {
+          content: '›';
+          padding: 0 0.3rem;
+        }
+      }
+    }
+
+    @include bp.lt(bp.get(lg)) {
+      display: none;
+    }
+
+    @include bp.between(bp.get(lg), calc(#{bp.get(xl)} - 1px)) {
+      width: 65%;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      word-break: keep-all;
+      white-space: nowrap;
+    }
+  }
+
+  @include bp.lte(bp.get(md)) {
+    @include mx.max-w-100;
+  }
+
+  @include bp.lt(bp.get(lg)) {
+    max-width: 100%;
+  }
+}
+
+#topbar-title {
+  display: none;
+  font-size: 1.1rem;
+  font-weight: 600;
+  font-family: sans-serif;
+  color: var(--topbar-text-color);
+  text-align: center;
+  width: 70%;
+  word-break: keep-all;
+
+  @include bp.lt(bp.get(lg)) {
+    display: block;
+  }
+
+  @include bp.lg {
+    text-align: left;
+  }
+}
+
+#sidebar-trigger,
+#search-trigger {
+  display: none;
+
+  @include bp.lt(bp.get(lg)) {
+    display: block;
+  }
+}

assets/sass/main.bundle.scss

@@ -0,0 +1,2 @@
+@use 'vendors/bootstrap';
+@use 'main';

assets/sass/main.scss

@@ -0,0 +1,4 @@
+@forward 'base';
+@forward 'components';
+@forward 'layout';
+@forward 'pages';

assets/sass/pages/_archives.scss

@@ -0,0 +1,140 @@
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/placeholders';
+
+#archives {
+  letter-spacing: 0.03rem;
+
+  @include bp.lt(bp.get(sm)) {
+    margin-top: -1rem;
+
+    ul {
+      letter-spacing: 0;
+    }
+  }
+
+  $timeline-width: 4px;
+
+  %timeline {
+    content: '';
+    width: $timeline-width;
+    position: relative;
+    float: left;
+    background-color: var(--timeline-color);
+  }
+
+  .year {
+    height: 3.5rem;
+    font-size: 1.5rem;
+    position: relative;
+    left: 2px;
+    margin-left: -$timeline-width;
+
+    &::before {
+      @extend %timeline;
+
+      height: 72px;
+      left: 79px;
+      bottom: 16px;
+    }
+
+    &:first-child::before {
+      @extend %timeline;
+
+      height: 32px;
+      top: 24px;
+    }
+
+    /* Year dot */
+    &::after {
+      content: '';
+      display: inline-block;
+      position: relative;
+      border-radius: 50%;
+      width: 12px;
+      height: 12px;
+      left: 21.5px;
+      border: 3px solid;
+      background-color: var(--timeline-year-dot-color);
+      border-color: var(--timeline-node-bg);
+      box-shadow: 0 0 2px 0 #c2c6cc;
+      z-index: 1;
+    }
+  }
+
+  ul {
+    li {
+      font-size: 1.1rem;
+      line-height: 3rem;
+
+      @extend %text-ellipsis;
+
+      &:nth-child(odd) {
+        background-color: var(--main-bg, #ffffff);
+        background-image: linear-gradient(
+          to left,
+          #ffffff,
+          #fbfbfb,
+          #fbfbfb,
+          #fbfbfb,
+          #ffffff
+        );
+      }
+
+      &::before {
+        @extend %timeline;
+
+        top: 0;
+        left: 77px;
+        height: 3.1rem;
+      }
+    }
+
+    &:last-child li:last-child::before {
+      height: 1.5rem;
+    }
+  } /* #archives ul */
+
+  .date {
+    white-space: nowrap;
+    display: inline-block;
+    position: relative;
+    right: 0.5rem;
+
+    &.month {
+      width: 1.4rem;
+      text-align: center;
+    }
+
+    &.day {
+      font-size: 85%;
+      font-family: Lato, sans-serif;
+    }
+  }
+
+  a {
+    /* post title in Archvies */
+    margin-left: 2.5rem;
+    position: relative;
+    top: 0.1rem;
+
+    &:hover {
+      border-bottom: none;
+    }
+
+    &::before {
+      /* the dot before post title */
+      content: '';
+      display: inline-block;
+      position: relative;
+      border-radius: 50%;
+      width: 8px;
+      height: 8px;
+      float: left;
+      top: 1.35rem;
+      left: 71px;
+      background-color: var(--timeline-node-bg);
+      box-shadow: 0 0 3px 0 #c2c6cc;
+      z-index: 1;
+    }
+  }
+} /* #archives */

assets/sass/pages/_categories.scss

@@ -0,0 +1,82 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/placeholders';
+
+%-category-icon-color {
+  color: gray;
+}
+
+.categories {
+  margin-bottom: 2rem;
+  border-color: var(--categories-border);
+
+  &.card,
+  .list-group {
+    @extend %rounded;
+  }
+
+  .card-header {
+    $radius: calc(v.$radius-lg - 1px);
+
+    padding: 0.75rem;
+    border-radius: $radius;
+    border-bottom: 0;
+
+    &.hide-border-bottom {
+      border-bottom-left-radius: 0;
+      border-bottom-right-radius: 0;
+    }
+  }
+
+  i {
+    @extend %-category-icon-color;
+
+    font-size: 86%; /* fontawesome icons */
+  }
+
+  .list-group-item {
+    border-left: none;
+    border-right: none;
+    padding-left: 2rem;
+
+    &:first-child {
+      border-top-left-radius: 0;
+      border-top-right-radius: 0;
+    }
+
+    &:last-child {
+      border-bottom: 0;
+    }
+  }
+} /* .categories */
+
+.category-trigger {
+  width: 1.7rem;
+  height: 1.7rem;
+  border-radius: 50%;
+  text-align: center;
+  color: #6c757d !important;
+
+  i {
+    position: relative;
+    height: 0.7rem;
+    width: 1rem;
+    transition: transform 300ms ease;
+  }
+
+  &:hover {
+    i {
+      color: var(--categories-icon-hover-color);
+    }
+  }
+}
+
+/* only works on desktop */
+@media (hover: hover) {
+  .category-trigger:hover {
+    background-color: var(--categories-hover-bg);
+  }
+}
+
+.rotate {
+  transform: rotate(-90deg);
+}

assets/sass/pages/_category-tag.scss

@@ -0,0 +1,63 @@
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/placeholders';
+
+.dash {
+  margin: 0 0.5rem 0.6rem 0.5rem;
+  border-bottom: 2px dotted var(--dash-color);
+}
+
+#page-category,
+#page-tag {
+  ul > li {
+    line-height: 1.5rem;
+    padding: 0.6rem 0;
+
+    /* dot */
+    &::before {
+      background: #999999;
+      width: 5px;
+      height: 5px;
+      border-radius: 50%;
+      display: block;
+      content: '';
+      position: relative;
+      top: 0.6rem;
+      margin-right: 0.5rem;
+
+      @include bp.lt(bp.get(sm)) {
+        margin: 0 0.5rem;
+      }
+    }
+
+    /* post's title */
+    > a {
+      @extend %no-bottom-border;
+
+      font-size: 1.1rem;
+
+      @include bp.lt(bp.get(sm)) {
+        @include mx.text-ellipsis;
+      }
+    }
+  }
+}
+
+/* tag icon */
+#page-tag h1 > i {
+  font-size: 1.2rem;
+}
+
+#page-category h1 > i {
+  font-size: 1.25rem;
+}
+
+#page-category,
+#page-tag,
+#access-lastmod {
+  a:hover {
+    @extend %link-hover;
+
+    margin-bottom: -1px; /* Avoid jumping */
+  }
+}

assets/sass/pages/_home.scss

@@ -0,0 +1,173 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/placeholders';
+
+#post-list {
+  margin-top: 2rem;
+
+  @include bp.lg {
+    margin-top: 2.5rem;
+  }
+
+  .card-wrapper {
+    &:hover {
+      text-decoration: none;
+    }
+
+    &:not(:last-child) {
+      margin-bottom: 1.25rem;
+    }
+  }
+
+  .card {
+    border: 0;
+    background: none;
+
+    %img-radius {
+      border-radius: v.$radius-lg v.$radius-lg 0 0;
+
+      @include bp.md {
+        border-radius: 0 v.$radius-lg v.$radius-lg 0;
+      }
+    }
+
+    .preview-img {
+      @extend %img-radius;
+
+      img {
+        @extend %img-radius;
+      }
+    }
+
+    .card-body {
+      height: 100%;
+      padding: 1rem;
+
+      @include bp.md {
+        padding: 1.75rem 1.75rem 1.25rem;
+      }
+
+      .card-title {
+        @extend %text-clip;
+
+        color: var(--heading-color) !important;
+        font-size: 1.25rem;
+      }
+
+      %muted {
+        color: var(--text-muted-color) !important;
+      }
+
+      .card-text {
+        @include bp.md {
+          display: inherit !important;
+        }
+
+        &.content {
+          @extend %muted;
+
+          p {
+            @extend %text-clip;
+
+            line-height: 1.5;
+            margin: 0;
+          }
+        }
+      }
+
+      .post-meta {
+        @extend %muted;
+
+        i {
+          &:not(:first-child) {
+            margin-left: 1.5rem;
+
+            @include bp.md {
+              margin-left: 1.75rem;
+            }
+          }
+        }
+
+        em {
+          @extend %normal-font-style;
+
+          color: inherit;
+        }
+
+        > div:first-child {
+          display: block;
+
+          @extend %text-ellipsis;
+        }
+      }
+    }
+  }
+} /* #post-list */
+
+.pagination {
+  color: var(--text-color);
+  font-family: Lato, sans-serif;
+  justify-content: space-evenly;
+
+  @include bp.lg {
+    font-size: 0.85rem;
+    justify-content: center;
+  }
+
+  a:hover {
+    text-decoration: none;
+  }
+
+  .page-item {
+    @include bp.lt(bp.get(lg)) {
+      &:not(:first-child):not(:last-child) {
+        display: none;
+      }
+    }
+
+    @include bp.lg {
+      &:not(:last-child) {
+        margin-right: 0.7rem;
+      }
+    }
+
+    .page-link {
+      color: var(--btn-patinator-text-color);
+      padding: 0 0.6rem;
+      display: -webkit-box;
+      -webkit-box-pack: center;
+      -webkit-box-align: center;
+      border-radius: 0.5rem;
+      border: 0;
+      background-color: inherit;
+    }
+
+    &.active {
+      .page-link {
+        background-color: var(--btn-paginator-hover-color);
+      }
+    }
+
+    &:not(.active) {
+      .page-link {
+        &:hover {
+          box-shadow: inset var(--btn-border-color) 0 0 0 1px;
+        }
+      }
+    }
+
+    &.disabled {
+      cursor: not-allowed;
+
+      .page-link {
+        color: rgba(108, 117, 125, 0.57);
+      }
+    }
+  } /* .page-item */
+
+  .page-index {
+    @include bp.lg {
+      display: none;
+    }
+  }
+}

assets/sass/pages/_index.scss

@@ -0,0 +1,7 @@
+@forward 'search';
+@forward 'home';
+@forward 'post';
+@forward 'categories';
+@forward 'tags';
+@forward 'archives';
+@forward 'category-tag';

assets/sass/pages/_post.scss

@@ -0,0 +1,498 @@
+@use '../abstracts/variables' as v;
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/mixins' as mx;
+@use '../abstracts/placeholders';
+
+%-btn-post-nav {
+  width: 50%;
+  position: relative;
+  border-color: var(--btn-border-color);
+}
+
+@mixin -dot($pl: 0.25rem, $pr: 0.25rem) {
+  content: '\2022';
+  padding-left: $pl;
+  padding-right: $pr;
+}
+
+header {
+  .post-desc {
+    @extend %heading;
+
+    font-size: 1.125rem;
+    line-height: 1.6;
+  }
+
+  .post-meta {
+    span + span::before {
+      @include -dot;
+    }
+
+    em,
+    time {
+      @extend %text-highlight;
+    }
+
+    em {
+      a {
+        color: inherit;
+      }
+    }
+  }
+
+  h1 + .post-meta {
+    margin-top: 1.5rem;
+  }
+}
+
+.post-tail-wrapper {
+  @extend %text-sm;
+
+  margin-top: 6rem;
+  border-bottom: 1px double var(--main-border-color);
+
+  .license-wrapper {
+    line-height: 1.2rem;
+
+    > a {
+      @extend %text-highlight;
+
+      &:hover {
+        @extend %link-hover;
+      }
+    }
+
+    span:last-child {
+      @extend %text-sm;
+    }
+  } /* .license-wrapper */
+
+  .post-meta a:not(:hover) {
+    @extend %link-underline;
+  }
+
+  .share-wrapper {
+    vertical-align: middle;
+    -webkit-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
+
+    %icon-size {
+      font-size: 1.125rem;
+    }
+
+    .share-icons {
+      display: flex;
+
+      i {
+        color: var(--btn-share-color);
+
+        @extend %icon-size;
+      }
+
+      > * {
+        @extend %icon-size;
+
+        margin-left: 0.5rem;
+
+        &:hover {
+          i {
+            @extend %btn-share-hover;
+          }
+        }
+      }
+
+      button {
+        padding: 0;
+        border: none;
+        line-height: inherit;
+
+        @extend %cursor-pointer;
+      }
+    } /* .share-icons */
+  } /* .share-wrapper */
+}
+
+.post-tail-bottom {
+  @include bp.lte(bp.get(sm)) {
+    flex-wrap: wrap-reverse !important;
+
+    > div:first-child {
+      width: 100%;
+      margin-top: 1rem;
+    }
+  }
+}
+
+.share-mastodon {
+  /* See: https://github.com/justinribeiro/share-to-mastodon#properties */
+  --wc-stm-font-family: v.$font-family-base;
+  --wc-stm-dialog-background-color: var(--card-bg);
+  --wc-stm-form-button-border: 1px solid var(--btn-border-color);
+  --wc-stm-form-submit-background-color: var(--sidebar-btn-bg);
+  --wc-stm-form-cancel-background-color: var(--sidebar-btn-bg);
+  --wc-stm-form-button-background-color-hover: #007bff;
+  --wc-stm-form-button-color-hover: white;
+
+  font-size: 1rem;
+}
+
+.post-tags {
+  line-height: 2rem;
+
+  .post-tag {
+    &:hover {
+      @extend %link-hover;
+      @extend %tag-hover;
+      @extend %no-bottom-border;
+    }
+  }
+}
+
+.post-navigation {
+  @include bp.lt(bp.get(lg)) {
+    @include mx.pl-pr(0);
+    @include mx.ml-mr(-0.5rem);
+  }
+
+  .btn {
+    @extend %-btn-post-nav;
+
+    &:not(:hover) {
+      color: var(--link-color);
+    }
+
+    &:hover {
+      &:not(.disabled)::before {
+        color: whitesmoke;
+      }
+    }
+
+    &.disabled {
+      @extend %-btn-post-nav;
+
+      pointer-events: auto;
+      cursor: not-allowed;
+      background: none;
+      color: gray;
+    }
+
+    &.btn-outline-primary.disabled:focus {
+      box-shadow: none;
+    }
+
+    &::before {
+      color: var(--text-muted-color);
+      font-size: 0.65rem;
+      text-transform: uppercase;
+      content: attr(aria-label);
+    }
+
+    &:first-child {
+      border-radius: v.$radius-lg 0 0 v.$radius-lg;
+      left: 0.5px;
+    }
+
+    &:last-child {
+      border-radius: 0 v.$radius-lg v.$radius-lg 0;
+      right: 0.5px;
+    }
+  }
+
+  p {
+    font-size: 1.1rem;
+    line-height: 1.5rem;
+    margin-top: 0.3rem;
+    white-space: normal;
+  }
+} /* .post-navigation */
+
+@media (hover: hover) {
+  .post-navigation {
+    .btn,
+    .btn::before {
+      transition: all 0.35s ease-in-out;
+    }
+  }
+}
+
+@-webkit-keyframes fade-up {
+  from {
+    opacity: 0;
+    margin-top: 4rem;
+  }
+
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes fade-up {
+  from {
+    opacity: 0;
+    margin-top: 4rem;
+  }
+
+  to {
+    opacity: 1;
+  }
+}
+
+/* TOC panel */
+
+%top-cover {
+  content: '';
+  display: block;
+  position: -webkit-sticky;
+  position: sticky;
+  top: 0;
+  width: 100%;
+  height: 3rem;
+  background: linear-gradient(var(--main-bg) 50%, transparent);
+}
+
+#toc-wrapper {
+  top: 0;
+  transition: top 0.2s ease-in-out;
+  overflow-y: auto;
+  max-height: 100vh;
+  scrollbar-width: none;
+  margin-top: 2rem;
+
+  &:not(.invisible) {
+    -webkit-animation: fade-up 0.8s;
+    animation: fade-up 0.8s;
+  }
+
+  ul {
+    list-style: none;
+    font-size: 0.85rem;
+    line-height: 1.25;
+    padding-left: 0;
+
+    li {
+      a {
+        padding: 0.4rem 0 0.4rem 1.25rem;
+      }
+    }
+
+    /* Overwrite TOC plugin style */
+
+    .toc-link {
+      display: block;
+
+      @extend %text-ellipsis;
+
+      &:hover {
+        color: var(--toc-highlight);
+        text-decoration: none;
+      }
+
+      &::before {
+        display: none;
+      }
+    }
+
+    .is-active-link {
+      color: var(--toc-highlight) !important;
+      font-weight: 600;
+
+      &::before {
+        display: inline-block;
+        width: 1px;
+        height: 1.25rem;
+        background-color: var(--toc-highlight) !important;
+      }
+    }
+
+    ul {
+      padding-left: 0.75rem;
+    }
+  }
+
+  @at-root .toc-border-cover {
+    @extend %top-cover;
+
+    margin-bottom: -4rem;
+  }
+
+  &::before {
+    @extend %top-cover;
+  }
+
+  &::after {
+    content: '';
+    position: fixed;
+    bottom: 0;
+    width: 15%;
+    height: 2.25rem;
+    margin-left: -1px;
+    background: linear-gradient(transparent, var(--main-bg) 70%);
+  }
+
+  > * {
+    @extend %panel-border;
+  }
+}
+
+/* --- TOC button, bar and popup in mobile/tablet --- */
+
+#toc-bar {
+  position: -webkit-sticky;
+  position: sticky;
+  top: 0;
+  z-index: 1;
+  margin: 0 -1rem;
+  height: v.$topbar-height;
+  background: var(--main-bg);
+  border-bottom: 1px solid var(--main-border-color);
+  transition: all 0.2s ease-in-out;
+
+  @extend %btn-color;
+
+  @include bp.xl {
+    display: none !important;
+  }
+
+  .label {
+    @extend %heading;
+
+    margin-left: 0.375rem;
+    padding: 0 0.75rem;
+    color: inherit;
+  }
+
+  &.invisible {
+    top: -#{v.$topbar-height};
+    transition: none;
+  }
+}
+
+#toc-solo-trigger {
+  color: var(--text-muted-color);
+  border-color: var(--btn-border-color);
+  border-radius: v.$radius-lg;
+
+  @include bp.xl {
+    display: none !important;
+  }
+
+  .label {
+    font-size: 1rem;
+    font-family: v.$font-family-heading;
+  }
+
+  &:hover {
+    box-shadow: none;
+    background: none;
+  }
+}
+
+@mixin slide-in {
+  from {
+    opacity: 0.7;
+    transform: translateY(-#{v.$topbar-height});
+  }
+
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@mixin slide-out {
+  0% {
+    transform: translateY(0);
+    opacity: 1;
+  }
+
+  100% {
+    transform: translateY(-#{v.$topbar-height});
+    opacity: 0;
+  }
+}
+
+@-webkit-keyframes slide-in {
+  @include slide-in;
+}
+
+@keyframes slide-in {
+  @include slide-in;
+}
+
+@-webkit-keyframes slide-out {
+  @include slide-out;
+}
+
+@keyframes slide-out {
+  @include slide-out;
+}
+
+/* --- Related Posts --- */
+
+#related-posts {
+  > h3 {
+    @include mx.label(1.1rem, 600);
+  }
+
+  time {
+    @extend %normal-font-style;
+    @extend %text-xs;
+
+    color: var(--text-muted-color);
+  }
+
+  p {
+    @extend %text-ellipsis;
+
+    font-size: 0.9rem;
+    margin-bottom: 0.5rem;
+    white-space: break-spaces;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+  }
+
+  .card {
+    h4 {
+      @extend %text-clip;
+    }
+  }
+}
+
+/* stylelint-disable-next-line selector-id-pattern */
+#disqus_thread {
+  min-height: 8.5rem;
+}
+
+.utterances {
+  max-width: 100%;
+  min-height: 269px;
+}
+
+%btn-share-hover {
+  color: var(--btn-share-hover-color) !important;
+}
+
+.share-label {
+  @include mx.label(inherit, 400, inherit);
+
+  &::after {
+    content: ':';
+  }
+}
+
+.content > p > img {
+  @include bp.lte(bp.get(md)) {
+    max-width: calc(100% + 1rem);
+  }
+}
+
+h2,
+h3,
+h4 {
+  @include bp.xl {
+    scroll-margin-top: 2rem;
+  }
+}

assets/sass/pages/_search.scss

@@ -0,0 +1,184 @@
+@use '../abstracts/breakpoints' as bp;
+@use '../abstracts/variables' as v;
+@use '../abstracts/placeholders';
+
+search {
+  display: flex;
+  width: 100%;
+  border-radius: 1rem;
+  border: 1px solid var(--search-border-color);
+  background: var(--main-bg);
+  padding: 0 0.5rem;
+
+  i {
+    z-index: 2;
+    font-size: 0.9rem;
+    color: var(--search-icon-color);
+  }
+
+  @include bp.lt(bp.get(lg)) {
+    display: none;
+  }
+
+  @include bp.lg {
+    max-width: v.$search-max-width;
+  }
+
+  @include bp.xl {
+    margin-right: 4rem;
+  }
+
+  @include bp.xxxl {
+    margin-right: calc(
+      v.$main-content-max-width / 4 - v.$search-max-width - 0.75rem
+    );
+  }
+}
+
+#search-result-wrapper {
+  display: none;
+  height: 100%;
+  width: 100%;
+  overflow: auto;
+
+  .content {
+    margin-top: 2rem;
+  }
+
+  @include bp.lt(bp.get(lg)) {
+    width: 100%;
+
+    .content {
+      letter-spacing: 0;
+    }
+  }
+
+  @include bp.lg {
+    max-width: v.$main-content-max-width;
+    justify-content: start !important;
+  }
+}
+
+#search-results {
+  padding-bottom: 3rem;
+
+  @include bp.between(bp.get(lg), calc(#{bp.get(xl)} - 1px)) {
+    > div {
+      max-width: 700px;
+    }
+  }
+
+  a {
+    font-size: 1.4rem;
+    line-height: 1.5rem;
+
+    &:hover {
+      @extend %link-hover;
+    }
+
+    @extend %link-color;
+    @extend %no-bottom-border;
+    @extend %heading;
+  }
+
+  > article {
+    width: 100%;
+
+    &:not(:last-child) {
+      margin-bottom: 1rem;
+    }
+
+    @include bp.xl {
+      width: 45%;
+
+      &:nth-child(odd) {
+        margin-right: 1.5rem;
+      }
+
+      &:nth-child(even) {
+        margin-left: 1.5rem;
+      }
+
+      &:last-child:nth-child(odd) {
+        position: relative;
+        right: 24.3%;
+      }
+    }
+
+    h2 {
+      line-height: 2.5rem;
+    }
+
+    /* icons */
+    i {
+      color: #818182;
+      margin-right: 0.15rem;
+      font-size: 80%;
+    }
+
+    > p {
+      @extend %text-ellipsis;
+
+      white-space: break-spaces;
+      display: -webkit-box;
+      -webkit-line-clamp: 3;
+      -webkit-box-orient: vertical;
+    }
+  }
+}
+
+/* 'Cancel' link */
+#search-cancel {
+  color: var(--link-color);
+  display: none;
+  white-space: nowrap;
+
+  @extend %cursor-pointer;
+}
+
+#search-input {
+  background: center;
+  border: 0;
+  border-radius: 0;
+  padding: 0.18rem 0.3rem;
+  color: var(--text-color);
+  height: auto;
+
+  &:focus {
+    box-shadow: none;
+  }
+
+  @include bp.xl {
+    transition: all 0.3s ease-in-out;
+  }
+}
+
+#search-hints {
+  padding: 0 1rem;
+
+  @include bp.lg {
+    display: none;
+  }
+
+  h4 {
+    margin-bottom: 1.5rem;
+  }
+
+  .post-tag {
+    display: inline-block;
+    line-height: 1rem;
+    font-size: 1rem;
+    background: var(--search-tag-bg);
+    border: none;
+    padding: 0.5rem;
+    margin: 0 1.25rem 1rem 0;
+
+    &::before {
+      content: '#';
+      color: var(--text-muted-color);
+      padding-right: 0.2rem;
+    }
+
+    @extend %link-color;
+  }
+}

assets/sass/pages/_tags.scss

@@ -0,0 +1,23 @@
+@use '../abstracts/breakpoints' as bp;
+
+.tag {
+  border-radius: 0.7em;
+  padding: 6px 8px 7px;
+  margin-right: 0.8rem;
+  line-height: 3rem;
+  letter-spacing: 0;
+  border: 1px solid var(--tag-border) !important;
+  box-shadow: 0 0 3px 0 var(--tag-shadow);
+
+  span {
+    margin-left: 0.6em;
+    font-size: 0.7em;
+    font-family: Oswald, sans-serif;
+  }
+}
+
+#tags {
+  @include bp.lt(bp.get(lg)) {
+    justify-content: center !important;
+  }
+}

assets/sass/themes/_dark.scss

@@ -0,0 +1,303 @@
+@mixin styles {
+  color-scheme: dark;
+
+  /* Framework color */
+  --main-bg: rgb(27, 27, 30);
+  --mask-bg: rgb(68, 69, 70);
+  --main-border-color: rgb(44, 45, 45);
+
+  /* Common color */
+  --text-color: rgb(175, 176, 177);
+  --text-muted-color: #868686;
+  --text-muted-highlight-color: #aeaeae;
+  --heading-color: #cccccc;
+  --label-color: #a7a7a7;
+  --blockquote-border-color: rgb(66, 66, 66);
+  --blockquote-text-color: #868686;
+  --link-color: rgb(138, 180, 248);
+  --link-underline-color: rgb(82, 108, 150);
+  --button-bg: #1e1e1e;
+  --btn-border-color: #2e2f31;
+  --btn-backtotop-color: var(--text-color);
+  --btn-backtotop-border-color: #212122;
+  --card-header-bg: #292929;
+  --checkbox-color: rgb(118, 120, 121);
+  --checkbox-checked-color: var(--link-color);
+  --img-bg: radial-gradient(circle, rgb(22, 22, 24) 0%, rgb(32, 32, 32) 100%);
+  --shimmer-bg: linear-gradient(
+    90deg,
+    rgba(255, 255, 255, 0) 0%,
+    rgba(58, 55, 55, 0.4) 50%,
+    rgba(255, 255, 255, 0) 100%
+  );
+
+  /* Sidebar */
+  --site-title-color: #717070;
+  --site-subtitle-color: #868686;
+  --sidebar-bg: #1e1e1e;
+  --sidebar-border-color: #292929;
+  --sidebar-muted-color: #868686;
+  --sidebar-active-color: rgb(255, 255, 255, 0.95);
+  --sidebar-hover-bg: #262626;
+  --sidebar-btn-bg: #232328;
+  --sidebar-btn-color: #787878;
+  --avatar-border-color: rgb(206, 206, 206, 0.9);
+
+  /* Topbar */
+  --topbar-bg: rgb(27, 27, 30, 0.64);
+  --topbar-text-color: var(--text-color);
+  --search-border-color: rgb(55, 55, 55);
+  --search-icon-color: rgb(100, 102, 105);
+  --input-focus-border-color: rgb(112, 114, 115);
+
+  /* Home page */
+  --post-list-text-color: rgb(175, 176, 177);
+  --btn-patinator-text-color: var(--text-color);
+  --btn-paginator-hover-color: #2e2e2e;
+
+  /* Posts */
+  --toc-highlight: rgb(116, 178, 243);
+  --toc-popup-border-color: #373737;
+  --tag-hover: rgb(43, 56, 62);
+  --tb-odd-bg: #252526; /* odd rows of the posts' table */
+  --tb-even-bg: rgb(31, 31, 34); /* even rows of the posts' table */
+  --tb-border-color: var(--tb-odd-bg);
+  --footnote-target-bg: rgb(63, 81, 181);
+  --btn-share-color: #6c757d;
+  --btn-share-hover-color: #bfc1ca;
+  --card-bg: #1e1e1e;
+  --card-hovor-bg: #464d51;
+  --card-shadow: rgb(21, 21, 21, 0.72) 0 6px 18px 0,
+    rgb(137, 135, 135, 0.24) 0 0 0 1px;
+  --kbd-wrap-color: #6a6a6a;
+  --kbd-text-color: #d3d3d3;
+  --kbd-bg-color: #242424;
+  --prompt-text-color: rgb(216, 212, 212, 0.75);
+  --prompt-tip-bg: rgb(22, 60, 36, 0.64);
+  --prompt-tip-icon-color: rgb(15, 164, 15, 0.81);
+  --prompt-info-bg: rgb(7, 59, 104, 0.8);
+  --prompt-info-icon-color: #0075d1;
+  --prompt-warning-bg: rgb(90, 69, 3, 0.88);
+  --prompt-warning-icon-color: rgb(255, 165, 0, 0.8);
+  --prompt-danger-bg: rgb(86, 28, 8, 0.8);
+  --prompt-danger-icon-color: #cd0202;
+
+  /* Tags */
+  --tag-border: rgb(59, 79, 88);
+  --tag-shadow: rgb(32, 33, 33);
+  --dash-color: rgb(63, 65, 68);
+  --search-tag-bg: #292828;
+
+  /* Categories */
+  --categories-border: rgb(64, 66, 69, 0.5);
+  --categories-hover-bg: rgb(73, 75, 76);
+  --categories-icon-hover-color: white;
+
+  /* Archive */
+  --timeline-node-bg: rgb(150, 152, 156);
+  --timeline-color: rgb(63, 65, 68);
+  --timeline-year-dot-color: var(--timeline-color);
+
+  /* Code highlight colors */
+  --language-border-color: #2d2d2d;
+  --highlight-bg-color: #151515;
+  --highlighter-rouge-color: #c9def1;
+  --highlight-lineno-color: #808080;
+  --inline-code-bg: rgba(255, 255, 255, 0.05);
+  --code-color: #b0b0b0;
+  --code-header-text-color: #6a6a6a;
+  --code-header-muted-color: #353535;
+  --code-header-icon-color: #565656;
+  --clipboard-checked-color: #2bcc2b;
+  --filepath-text-color: #cacaca;
+
+  .light {
+    display: none;
+  }
+
+  /* Categories */
+  .categories.card,
+  .list-group-item {
+    background-color: var(--card-bg);
+  }
+
+  .categories {
+    .card-header {
+      background-color: var(--card-header-bg);
+    }
+
+    .list-group-item {
+      border-left: none;
+      border-right: none;
+      padding-left: 2rem;
+      border-color: var(--categories-border);
+
+      &:last-child {
+        border-bottom-color: var(--card-bg);
+      }
+    }
+  }
+
+  #archives li:nth-child(odd) {
+    background-image: linear-gradient(
+      to left,
+      rgb(26, 26, 30),
+      rgb(39, 39, 45),
+      rgb(39, 39, 45),
+      rgb(39, 39, 45),
+      rgb(26, 26, 30)
+    );
+  }
+
+  /* stylelint-disable-next-line selector-id-pattern */
+  #disqus_thread {
+    color-scheme: none;
+  }
+
+  /* --- Syntax highlight theme from `rougify style base16.dark` --- */
+
+  .highlight .gp {
+    color: #87939d;
+  }
+
+  .highlight table td {
+    padding: 5px;
+  }
+
+  .highlight table pre {
+    margin: 0;
+  }
+
+  .highlight,
+  .highlight .w {
+    color: #d0d0d0;
+    background-color: #151515;
+  }
+
+  .highlight .err {
+    color: #151515;
+    background-color: #ac4142;
+  }
+
+  .highlight .c,
+  .highlight .ch,
+  .highlight .cd,
+  .highlight .cm,
+  .highlight .cpf,
+  .highlight .c1,
+  .highlight .cs {
+    color: #848484;
+  }
+
+  .highlight .cp {
+    color: #f4bf75;
+  }
+
+  .highlight .nt {
+    color: #f4bf75;
+  }
+
+  .highlight .o,
+  .highlight .ow {
+    color: #d0d0d0;
+  }
+
+  .highlight .p,
+  .highlight .pi {
+    color: #d0d0d0;
+  }
+
+  .highlight .gi {
+    color: #90a959;
+  }
+
+  .highlight .gd {
+    color: #f08a8b;
+    background-color: #320000;
+  }
+
+  .highlight .gh {
+    color: #6a9fb5;
+    background-color: #151515;
+    font-weight: bold;
+  }
+
+  .highlight .k,
+  .highlight .kn,
+  .highlight .kp,
+  .highlight .kr,
+  .highlight .kv {
+    color: #aa759f;
+  }
+
+  .highlight .kc {
+    color: #d28445;
+  }
+
+  .highlight .kt {
+    color: #d28445;
+  }
+
+  .highlight .kd {
+    color: #d28445;
+  }
+
+  .highlight .s,
+  .highlight .sb,
+  .highlight .sc,
+  .highlight .dl,
+  .highlight .sd,
+  .highlight .s2,
+  .highlight .sh,
+  .highlight .sx,
+  .highlight .s1 {
+    color: #90a959;
+  }
+
+  .highlight .sa {
+    color: #aa759f;
+  }
+
+  .highlight .sr {
+    color: #75b5aa;
+  }
+
+  .highlight .si {
+    color: #b76d45;
+  }
+
+  .highlight .se {
+    color: #b76d45;
+  }
+
+  .highlight .nn {
+    color: #f4bf75;
+  }
+
+  .highlight .nc {
+    color: #f4bf75;
+  }
+
+  .highlight .no {
+    color: #f4bf75;
+  }
+
+  .highlight .na {
+    color: #6a9fb5;
+  }
+
+  .highlight .m,
+  .highlight .mb,
+  .highlight .mf,
+  .highlight .mh,
+  .highlight .mi,
+  .highlight .il,
+  .highlight .mo,
+  .highlight .mx {
+    color: #90a959;
+  }
+
+  .highlight .ss {
+    color: #90a959;
+  }
+}

assets/sass/themes/_light.scss

@@ -0,0 +1,313 @@
+@mixin styles {
+  /* Framework color */
+  --main-bg: white;
+  --mask-bg: #c1c3c5;
+  --main-border-color: #f3f3f3;
+
+  /* Common color */
+  --text-color: #34343c;
+  --text-muted-color: #757575;
+  --text-muted-highlight-color: inherit;
+  --heading-color: #2a2a2a;
+  --label-color: #585858;
+  --blockquote-border-color: #eeeeee;
+  --blockquote-text-color: #757575;
+  --link-color: #0056b2;
+  --link-underline-color: #dee2e6;
+  --button-bg: #ffffff;
+  --btn-border-color: #e9ecef;
+  --btn-backtotop-color: #686868;
+  --btn-backtotop-border-color: #f1f1f1;
+  --checkbox-color: #c5c5c5;
+  --checkbox-checked-color: #07a8f7;
+  --img-bg: radial-gradient(
+    circle,
+    rgb(255, 255, 255) 0%,
+    rgb(239, 239, 239) 100%
+  );
+  --shimmer-bg: linear-gradient(
+    90deg,
+    rgba(250, 250, 250, 0) 0%,
+    rgba(232, 230, 230, 1) 50%,
+    rgba(250, 250, 250, 0) 100%
+  );
+
+  /* Sidebar */
+  --site-title-color: rgb(113, 113, 113);
+  --site-subtitle-color: #717171;
+  --sidebar-bg: #f6f8fa;
+  --sidebar-border-color: #efefef;
+  --sidebar-muted-color: #545454;
+  --sidebar-active-color: #1d1d1d;
+  --sidebar-hover-bg: rgb(223, 233, 241, 0.64);
+  --sidebar-btn-bg: white;
+  --sidebar-btn-color: #8e8e8e;
+  --avatar-border-color: white;
+
+  /* Topbar */
+  --topbar-bg: rgb(255, 255, 255, 0.7);
+  --topbar-text-color: rgb(78, 78, 78);
+  --search-border-color: rgb(240, 240, 240);
+  --search-icon-color: #c2c6cc;
+  --input-focus-border-color: #b8b8b8;
+
+  /* Home page */
+  --post-list-text-color: dimgray;
+  --btn-patinator-text-color: #555555;
+  --btn-paginator-hover-color: var(--sidebar-bg);
+
+  /* Posts */
+  --toc-highlight: #0550ae;
+  --toc-popup-border-color: lightgray;
+  --btn-share-color: gray;
+  --btn-share-hover-color: #0d6efd;
+  --card-bg: white;
+  --card-hovor-bg: #e2e2e2;
+  --card-shadow: rgb(104, 104, 104, 0.05) 0 2px 6px 0,
+    rgba(211, 209, 209, 0.15) 0 0 0 1px;
+  --footnote-target-bg: lightcyan;
+  --tb-odd-bg: #fbfcfd;
+  --tb-border-color: #eaeaea;
+  --dash-color: silver;
+  --kbd-wrap-color: #bdbdbd;
+  --kbd-text-color: var(--text-color);
+  --kbd-bg-color: white;
+  --prompt-text-color: rgb(46, 46, 46, 0.77);
+  --prompt-tip-bg: rgb(123, 247, 144, 0.2);
+  --prompt-tip-icon-color: #03b303;
+  --prompt-info-bg: #e1f5fe;
+  --prompt-info-icon-color: #0070cb;
+  --prompt-warning-bg: rgb(255, 243, 205);
+  --prompt-warning-icon-color: #ef9c03;
+  --prompt-danger-bg: rgb(248, 215, 218, 0.56);
+  --prompt-danger-icon-color: #df3c30;
+
+  /* Tags */
+  --tag-border: #dee2e6;
+  --tag-shadow: var(--btn-border-color);
+  --tag-hover: rgb(222, 226, 230);
+  --search-tag-bg: #f8f9fa;
+
+  /* Categories */
+  --categories-border: rgba(0, 0, 0, 0.125);
+  --categories-hover-bg: var(--btn-border-color);
+  --categories-icon-hover-color: darkslategray;
+
+  /* Archive */
+  --timeline-color: rgba(0, 0, 0, 0.075);
+  --timeline-node-bg: #c2c6cc;
+  --timeline-year-dot-color: #ffffff;
+
+  /* --- Custom code light mode colors --- */
+  --language-border-color: #ececec;
+  --highlight-bg-color: #f6f8fa;
+  --highlighter-rouge-color: #3f596f;
+  --highlight-lineno-color: #9e9e9e;
+  --inline-code-bg: rgba(25, 25, 28, 0.05);
+  --code-color: #3a3a3a;
+  --code-header-text-color: #a3a3a3;
+  --code-header-muted-color: #e5e5e5;
+  --code-header-icon-color: #c9c8c8;
+  --clipboard-checked-color: #43c743;
+
+  [class^='prompt-'] {
+    --link-underline-color: rgb(219, 216, 216);
+  }
+
+  .dark {
+    display: none;
+  }
+
+  /* --- Syntax highlight theme from `rougify style github` --- */
+
+  .highlight table td {
+    padding: 5px;
+  }
+
+  .highlight table pre {
+    margin: 0;
+  }
+
+  .highlight,
+  .highlight .w {
+    color: #24292f;
+    background-color: #f6f8fa;
+  }
+
+  .highlight .k,
+  .highlight .kd,
+  .highlight .kn,
+  .highlight .kp,
+  .highlight .kr,
+  .highlight .kt,
+  .highlight .kv {
+    color: #cf222e;
+  }
+
+  .highlight .gr {
+    color: #f6f8fa;
+  }
+
+  .highlight .gd {
+    color: #82071e;
+    background-color: #ffebe9;
+  }
+
+  .highlight .nb {
+    color: #953800;
+  }
+
+  .highlight .nc {
+    color: #953800;
+  }
+
+  .highlight .no {
+    color: #953800;
+  }
+
+  .highlight .nn {
+    color: #953800;
+  }
+
+  .highlight .sr {
+    color: #116329;
+  }
+
+  .highlight .na {
+    color: #116329;
+  }
+
+  .highlight .nt {
+    color: #116329;
+  }
+
+  .highlight .gi {
+    color: #116329;
+    background-color: #dafbe1;
+  }
+
+  .highlight .kc {
+    color: #0550ae;
+  }
+
+  .highlight .l,
+  .highlight .ld,
+  .highlight .m,
+  .highlight .mb,
+  .highlight .mf,
+  .highlight .mh,
+  .highlight .mi,
+  .highlight .il,
+  .highlight .mo,
+  .highlight .mx {
+    color: #0550ae;
+  }
+
+  .highlight .sb {
+    color: #0550ae;
+  }
+
+  .highlight .bp {
+    color: #0550ae;
+  }
+
+  .highlight .ne {
+    color: #0550ae;
+  }
+
+  .highlight .nl {
+    color: #0550ae;
+  }
+
+  .highlight .py {
+    color: #0550ae;
+  }
+
+  .highlight .nv,
+  .highlight .vc,
+  .highlight .vg,
+  .highlight .vi,
+  .highlight .vm {
+    color: #0550ae;
+  }
+
+  .highlight .o,
+  .highlight .ow {
+    color: #0550ae;
+  }
+
+  .highlight .gh {
+    color: #0550ae;
+    font-weight: bold;
+  }
+
+  .highlight .gu {
+    color: #0550ae;
+    font-weight: bold;
+  }
+
+  .highlight .s,
+  .highlight .sa,
+  .highlight .sc,
+  .highlight .dl,
+  .highlight .sd,
+  .highlight .s2,
+  .highlight .se,
+  .highlight .sh,
+  .highlight .sx,
+  .highlight .s1,
+  .highlight .ss {
+    color: #0a3069;
+  }
+
+  .highlight .nd {
+    color: #8250df;
+  }
+
+  .highlight .nf,
+  .highlight .fm {
+    color: #8250df;
+  }
+
+  .highlight .err {
+    color: #f6f8fa;
+    background-color: #82071e;
+  }
+
+  .highlight .c,
+  .highlight .ch,
+  .highlight .cd,
+  .highlight .cm,
+  .highlight .cp,
+  .highlight .cpf,
+  .highlight .c1,
+  .highlight .cs {
+    color: #68717a;
+  }
+
+  .highlight .gl {
+    color: #68717a;
+  }
+
+  .highlight .gt {
+    color: #68717a;
+  }
+
+  .highlight .ni {
+    color: #24292f;
+  }
+
+  .highlight .si {
+    color: #24292f;
+  }
+
+  .highlight .ge {
+    color: #24292f;
+    font-style: italic;
+  }
+
+  .highlight .gs {
+    color: #24292f;
+    font-weight: bold;
+  }
+}

hugo.toml

@@ -0,0 +1,3 @@
+baseURL = 'https://example.org/'
+languageCode = 'en-us'
+title = 'My New Hugo Site'

layouts/_default/baseof.html

@@ -0,0 +1,46 @@
+<!doctype html>
+<head>
+  {{ $opts := dict 
+    "transpiler" "dartsass"
+    "targetPath" "css/main.css"
+    "enableSourceMap" true
+  }}
+  {{ $sass := resources.Get "sass/main.scss" }}
+  {{ $style := $sass | toCSS $opts | minify | fingerprint }}
+  <link rel="stylesheet" href="{{ $style.Permalink }}">
+</head>
+<html>
+  <body>
+
+    <div id="main-wrapper" class="d-flex justify-content-center">
+      <div class="container d-flex flex-column px-xxl-5">
+
+        <div class="row flex-grow-1">
+          <main aria-label="Main Content" class="col-12 col-lg-11 col-xl-9 px-md-4">
+            {{ block "main" . }}{{ end }}
+          </main>
+
+          <!-- panel -->
+          <aside aria-label="Panel" id="panel-wrapper" class="col-xl-3 ps-2 text-muted">
+            <div class="access">
+            </div>
+          </aside>
+        </div>
+
+        <div class="row">
+          <!-- tail -->
+          <div id="tail-wrapper" class="col-12 col-lg-11 col-xl-9 px-md-4">
+          </div>
+        </div>
+      </div>
+
+      <aside aria-label="Scroll to Top">
+        <button id="back-to-top" type="button" class="btn btn-lg btn-box-shadow">
+          <i class="fas fa-angle-up"></i>
+        </button>
+      </aside>
+    </div>
+
+    <div id="mask" class="d-none position-fixed w-100 h-100 z-1"></div>
+  </body>
+</html>

layouts/index.html

@@ -0,0 +1,3 @@
+{{ define "main" }}
+    <h1>Welcome to My Site!</h1>
+{{ end }}