/* global */
:root {
  --background: rgb(242, 244, 248);
  --background-secondary: rgb(236, 239, 244);
  --header: rgb(236, 239, 244);
  --color: rgb(36, 41, 51);
  --color-secondary: rgb(76, 86, 106);
  --color-accent: rgb(94, 129, 172);
  --border-color: rgba(94, 129, 172, 0.6);
  --color-tip: rgb(163, 190, 140);
  --color-info: rgb(180, 142, 173);
  --color-warning: rgb(208, 135, 112);
  --color-danger: rgb(191, 97, 106);

  --phoneWidth: (max-width: 684px);
  --tabletWidth: (max-width: 900px);

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: rgb(46, 52, 64);
    --background-secondary: rgb(59, 66, 82);
    --header: rgb(36, 41, 51);
    --color: rgb(236, 239, 244);
    --color-secondary: rgb(171, 185, 207);
    --color-accent: rgb(136, 192, 208);
    --border-color: rgba(136, 192, 208, 0.6);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  font-size: clamp(1rem, 0.346vw + 0.91rem, 1.188rem);
  line-height: clamp(1.6rem, 0.196vw + 1.549rem, 1.706rem);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  font-feature-settings: "liga", "tnum", "case", "calt", "zero", "ss01", "locl";
}

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

a:hover {
  text-decoration: underline;
}

time {
  margin-left: 1rem;
  min-width: 5rem;
}

body {
  color: #222;
  color: var(--color);
  background-color: #fff;
  background-color: var(--background);
  font-weight 300;
}

.wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-wrap: break-word;
}

.paginator {
  align-items: flex-end;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-top: 2rem;
}

/* header */

header {
  background: var(--header);
  align-items: center;
  display: flex;
  flex-direction: column;
  padding: 1rem;
}

header > a:first-child {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 400;
  text-transform: uppercase;
  color: inherit;
}

header > a:first-child:hover {
  text-decoration: none;
}

@media screen and (min-width: 768px) {
  #header > h1 {
    font-size: 2.8rem;
  }
}

/* main */

main {
  align-self: center;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  max-width: 768px;
  padding: 2rem 0;
  width: calc(100% - 2rem);
}

/* footer */

footer {
  align-items: center;
  display: flex;
  font-size: 0.9rem;
  flex-direction: column;
  padding: 0.3rem;
}

footer > .footnote {
  text-align: center;
  text-transform: lowercase;
  font-size: 0.8rem;
}

.post-group li a {
  color: inherit;
  font-size: 1.1rem;
}

.content :last-child {
  margin-bottom: 0;
}

.content a.footnote-ref::before {
  content: "[";
}

.content a.footnote-ref::after {
  content: "]";
}

.content blockquote,
.content div,
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6,
.content p,
.content pre,
.content ol,
.content table,
.content ul {
  margin-bottom: 1rem;
}

.content blockquote {
  border-left: var(--border-color) 4px solid;
  font-style: italic;
  padding: 1rem 0 1rem 1.2rem;
  border-radius: 0.2rem;
}

.content blockquote.alert {
  padding: 0 0 0.2rem 1.2rem;
  font-size: 0.9rem;
}

.content blockquote.alert p.alert-heading {
  font-weight: bold;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.content blockquote.alert-tip {
  border-left-color: var(--color-tip);
}

.content blockquote.alert-tip p.alert-heading {
  color: var(--color-tip);
}

.content blockquote.alert-note {
  border-left-color: var(--color-info);
}

.content blockquote.alert-note p.alert-heading {
  color: var(--color-info);
}

.content blockquote.alert-warning {
  border-left-color: var(--color-warning);
}

.content blockquote.alert-warning p.alert-heading {
  color: var(--color-warning);
}

.content blockquote.alert-danger {
  border-left-color: var(--color-danger);
}

.content blockquote.alert-danger p.alert-heading {
  color: var(--color-danger);
}

.content p > code {
  background-color: var(--background-secondary);
  border-radius: 0.2rem;
  font-family: "Latin Modern Mono", Courier, monospace;
  font-size: 0.8rem;
  padding: 0.2rem;
  color: var(--color-secondary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
}

.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6 {
  line-height: 1.5;
}

.content h1 {
  font-size: 2.4rem;
  padding: 0 0 2rem;
}

.content h2 {
  font-size: 1.8rem;
}

.content h3 {
  font-size: 1.4rem;
  padding-top: 1.2rem;
}

.content h3:first-of-type {
  padding-top: 0;
}

.content h4 {
  font-size: 1.2rem;
}

.content h5 {
  font-size: 1.1rem;
}

.content h6 {
  font-size: 1rem;
}

.content img {
  max-width: 100%;
  height: auto;
}

.content p {
  text-align: justify;
}

.content pre,
.content .highlight pre {
  border-radius: 0.2rem;
  font-family: monospace;
  margin-top: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0.5rem 0.5rem 1.2rem;
  font-size: 0.8rem;
  line-height: 1.5;
}

.content pre {
  border-left: var(--border-color) 4px solid;
}

.content pre code {
  padding: 0;
  margin: 0;
}

.content strong.chinese {
  font-weight: normal;
  text-emphasis-style: dot;
  text-emphasis-position: under;
  -webkit-text-emphasis-style: dot;
  -webkit-text-emphasis-position: under;
}

.content table {
  display: block;
  overflow-x: auto;
}

.content td,
.content th {
  border: #575c61 1px solid;
  padding: 0.1rem 0.5rem;
}

.content th {
  background-color: #575c61;
  color: #fafafa;
}

.content ol,
.content ul {
  margin-left: 1.5rem;
}

.post h1,
.post h4 {
  text-align: center;
}

.post h1 {
  text-transform: uppercase;
  font-size: 1.5rem;
  font-weight: 400;
}

.post .aside {
  margin: 1.2rem auto;
}

.post aside em,
.post .aside em {
  text-align: center;
  display: block;
  font-size: 0.8rem;
}

.post aside em {
  text-align: right;
}

/* list */
.archive > .post-group > ul {
  border-left: gray solid 1px;
  list-style-type: none;
  margin-left: 0.5rem;
  padding-left: 1rem;
}
.archive > .post-group > ul > li {
  align-items: center;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  padding: 0.25rem 0;
}
.archive > .post-group > ul > li > time {
  text-align: right;
}
@media screen and (min-width: 768px) {
  main.archive > .post-group > ul {
    margin-left: 1rem;
    padding-left: 2rem;
  }
}