/* =================================
           Initial Styles
================================= */

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

:root {
  --color-bg: #161821;
  --color-fg: #c6c8d1;
  --color-gutter-bg: #1e2132;
  --color-gutter-fg: #444b71;
  --color-code-bg: #13141b;
  --color-code-fg: #b8bbc6;

  --color-red: #e27878;
  --color-orange: #e2a478;
  --color-green: #b4be82;
  --color-mint: #89b8c2;
  --color-blue: #84a0c6;
  --color-purple: #a093c7;
  --color-grey: #6b7089;
}

body {
  font-family:
    Helvetica Neue,
    Arial,
    sans-serif;
  background-color: var(--color-bg);
  color: var(--color-fg);
}

main {
  max-width: 800px;
  min-height: 100dvh;
  padding: 0 15px;
  margin: 0 auto;
}

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

a:hover {
  color: var(--color-orange);
  text-decoration: underline;
}

/* =================================
               Header 
================================= */

header {
  display: flex;
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
  background-color: var(--color-gutter-bg);
  justify-content: space-between;
  margin: 0 -15px;
  padding: 30px 15px 9px 15px;
}

/* =================================
                h1 
================================= */

h1 {
  height: 180px;
  display: table-cell;
  vertical-align: middle;
}

/* =================================
              Table 
================================= */

table {
  border-collapse: collapse;
  table-layout: fixed;
  width: 100%;
  line-height: 30px;
}

thead th {
  color: var(--color-grey);
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
  font-weight: normal;
  text-align: left;
}

thead::after {
  content: "";
  display: table-row;
  height: 9px;
}

tr {
  border-bottom: solid 1px var(--color-grey);
}

.date {
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
  color: var(--color-grey);
  width: 130px;
}

td.date {
  text-align: right;
  padding-right: 20px;
}

.title {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  padding-right: 20px;
}

td.title a {
  color: var(--color-fg);
  font-size: 16px;
}

td.title a:hover {
  color: var(--color-purple);
}

@media (max-width: 649px) {
  .tags {
    display: none;
  }
}

.tags {
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
  color: var(--color-grey);
  width: 270px;
}

button.tag {
  all: unset;
  cursor: pointer;
  user-select: none;
}

button.tag:hover {
  color: var(--color-purple);
  text-decoration: underline;
}

/* =================================
               Filter 
================================= */

.hidden {
  display: none;
}

button.tag.active {
  color: var(--color-purple);
}

button.tag.active:hover {
  color: var(--color-fg);
}

/* =================================
                Nav 
================================= */

nav {
  display: flex;
  justify-content: space-between;
  color: var(--color-grey);
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
  font-weight: normal;
  border-bottom: solid 1px var(--color-grey);
  height: 30.5px;
  margin-bottom: 30px;
}

article nav p {
  margin: 0;
}

nav .date {
  width: auto;
}

nav .tags {
  display: flex;
  width: auto;
  gap: 12px;
}

nav .tags a {
  color: var(--color-grey);
}

nav .tags a:hover {
  color: var(--color-purple);
}

/* =================================
              Article 
================================= */

h2 {
  margin: 45px 0 30px 0;
}

article p {
  font-size: 16px;
  line-height: 30px;
  margin-bottom: 15px;
}

ol {
  margin: 30px 0;
  list-style-position: inside;
}

li::marker {
  display: inline-block;
  color: var(--color-grey);
}

li {
  margin: 15px 0;
}

blockquote {
  margin: 30px 0;
  border-left: solid 4px var(--color-grey);
  padding-left: 15px;
  color: var(--color-grey);
}

/* =================================
            Code Block
================================= */

code {
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
  font-variant-ligatures: none;
  font-size: 15px;
  color: var(--color-code-fg);
}

div.sourceCode {
  overflow-x: auto;
  margin: 1em 0;
  padding: 0.5em 1em;
  border: solid 5px var(--color-gutter-bg);
  border-radius: 10px;
}

pre.numberlines code {
  counter-reset: source-line;
}

pre.numberlines code > span {
  counter-increment: source-line;
  position: relative;
}

pre.numberlines code > span > a:first-child::before {
  content: counter(source-line);
  position: absolute;
  left: -3.5em;
  width: 3.5em;
  text-align: right;
  user-select: none;

  padding-right: 0.5em;

  background-color: var(--color-gutter-bg);
  color: var(--color-gutter-fg);
}

pre.numberlines {
  padding-left: 3.5em;
}

/* keyword
control-flow */
.kw,
.cf {
  color: var(--color-blue);
}

/* string */
.st {
  color: var(--color-mint);
}

/* data type */
.dt {
  color: var(--color-blue);
}

/* other type */
.fu,
.ot {
  color: var(--color-purple);
}

/* comment */
.co {
  color: var(--color-grey);
}

/* =================================
              Sprite 
================================= */

.sprite {
  user-select: none;
}

.frog.sprite img {
  height: 150px;
}

.penguin.sprite img {
  height: 120px;
}

@media (max-width: 749px) {
  .frog.sprite img {
    height: 100px;
  }

  .penguin.sprite img {
    height: 80px;
  }
}

/* =================================
              Dialogue 
================================= */

.dialogue {
  margin: 45px 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.message {
  display: flex;
}

.message.left {
  padding-right: 15px;
}

.message.right {
  padding-left: 15px;
  flex-direction: row-reverse;
}

.character {
  display: flex;
  flex-direction: column-reverse;
}

.character.left {
  margin-right: 15px;
}

.character.right {
  margin-left: 15px;
}

.bubble-wrap {
  position: relative;
}

.bubble {
  background-color: var(--color-gutter-bg);
  position: relative;
  padding: 12px;
  border-radius: 18px;
  max-width: 450px;
}

.bubble::before,
.bubble::after {
  content: "";
  position: absolute;
  bottom: 0;
  height: 20px;
}

.bubble::before {
  border-color: var(--color-gutter-bg);
}

.bubble::after {
  background-color: var(--color-bg);
  width: 10px;
}

.bubble.left::before,
.bubble.left::after {
  left: -10px;
  border-bottom-right-radius: 50%;
}

.bubble.left::before {
  border-right-style: solid;
  border-right-width: 20px;
  border-bottom-left-radius: 50%;
}

.bubble.right::before,
.bubble.right::after {
  right: -10px;
  border-bottom-left-radius: 50%;
}

.bubble.right::before {
  border-left-style: solid;
  border-left-width: 20px;
}

.bubble p {
  margin: 0;
}

/* =================================
               Footer 
================================= */

footer {
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
  background-color: var(--color-gutter-bg);
  margin: 40px -15px 0 -15px;
  padding: 30px 15px 6px 15px;
}

.buddies {
  display: flex;
  align-items: flex-end;
  padding-bottom: 30px;
}

footer p {
  margin-bottom: 24px;
}

footer code {
  color: var(--color-purple);
  font-family: "Fragment Mono", "Courier New", Courier, monospace;
}

footer p a {
  text-decoration: underline;
}