/* Define colour variables */

:root {
  --clr-git_orange: #f14e32;
  --clr-octo_blue: #9cdaf0;
  --clr-neutral_grey: #ccc;
}

/* Universal border box RESET */

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

/* Universal margin and padding RESET */
* {
  margin: 0;
  padding: 0;
  /* z-index: -10; */
  /* border: 1px solid magenta; */
}

/* Google font embed code */
.source-code pro-232334 {
  font-family: "Source Code Pro", monospace;
  font-optical-sizing: auto;
  font-style: normal;
  font-weight: 500;
}

html {
  font-family: "Avenir", Arial, Helvetica, sans-serif;
}

body {
  background: rgb(241, 78, 50);
  background: linear-gradient(
    90deg,
    rgba(241, 78, 50, 1) 50%,
    rgba(156, 218, 240, 1) 50%
  );
  font-size: 1em;
}

/* Colour styles */

.clr-git_orange {
  color: var(--clr-git_orange);
}
.clr-octo_blue {
  color: var(--clr-octo_blue);
}
.clr-neutral_grey {
  color: var(--clr-neutral_grey);
}

/* Image reset for responsive image sizes */

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

/* main content style */

main {
  max-width: 100ch;
  margin: 0 auto;
  padding: 16px;
  background-color: #fff;
}

/* Typography */

header {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  height: 8svw;
  background-color: black;
  text-align: center;
  color: white;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Avenir", Arial, Helvetica, sans-serif;
}

h1 {
  display: inline-block;
  color: white;
  vertical-align: middle;
  line-height: 2em;
  font-weight: 500;
}

code {
  font-weight: bold;
}

/* Filter (input label) styles STATIC */

input[type="radio"] {
  display: none;
}

main label {
  font-weight: 600;
  font-family: "Avenir", Arial, Helvetica, sans-serif;
  cursor: pointer;
  transition: all 0.5s;
}

label span.icon {
  width: 6.5lvw;

  min-width: 50px;
  height: auto;
  display: inline-block;
  vertical-align: middle;

  /* Initial state of filter icons is desaturated */
  filter: saturate(0);
  display: inline-block;
}

.curly-brace {
  font-size: 1.4em;
}

@media only screen and (max-width: 1000px) {
  main label {
    font-size: 2rem;
  }
  h1 {
    font-size: 2.5rem;
  }
  header {
    height: 5rem;
  }
}

@media only screen and (min-width: 1000px) {
  main label {
    font-size: 3.5lvw;
  }
  h1 {
    font-size: 4vw;
  }
  header {
    height: 8vw;
  }
}

/* List styles */

h2,
li > p,
span.icon {
  transition: all 1s;
}

p {
  padding: 12px;
  /* ⚠️ CAUTION - Here be magic numbers */
  margin: 0 34px 12px 30px;
}

ol {
  counter-reset: listNumbering;
  list-style-type: none;
  text-align: center;
  position: relative;
}

li {
  counter-increment: listNumbering;
  text-align: left;
  padding: 0;
  margin: 0;
}

li:before {
  content: ">";
  font-size: 1.5em;
  font-weight: 800;
  padding-right: 10px;
  margin: 0;
  font-family: "Avenir", Helvetica, Arial, sans-serif;
  vertical-align: middle;
  text-align: right;
  color: var(--clr-neutral_grey);
  line-height: 1em;
  width: 34px;
  height: 34px;
}

li[data-category="github"] > h2 > span.icon {
  background-image: url("./images/original-octocat.png");
}

li[data-category="git"] > h2 > span.icon {
  background-image: url("./images/icons8-git.png");
}

li > h2 {
  /* Set position:relative to allow absolute placement of child span.icon */
  display: inline-block;
  position: relative;
  padding: 8px 12px;
  border-radius: 8px;
  background-color: black;
  color: white;

  line-height: 1em;
  vertical-align: middle;
}

li > h2 > span.icon {
  display: inline-block;
  position: absolute;
  right: -40px;
  top: 2px;
  width: 36px;
  height: 36px;
  vertical-align: bottom;

  background-size: cover;

  opacity: 0%;
}

/* Filter label styles for :hover and checked states */

/* On hover or checked, change label colour for git filter */
label[for="filter--git"]:hover {
  color: var(--clr-git_orange);
}

[value="git"]:checked ~ label[for="filter--git"] {
  color: var(--clr-git_orange);
}

/* On hover or checked, disable saturate(0) filter for label icon git filter */
label[for="filter--git"]:hover > span.icon {
  filter: none;
}

[value="git"]:checked ~ label[for="filter--git"] > span.icon {
  filter: none;
}

/* On hover or checked, change label colour for github filter */
label[for="filter--github"]:hover {
  color: var(--clr-octo_blue);
}

[value="github"]:checked ~ label[for="filter--github"] {
  color: var(--clr-octo_blue);
}

/* On hover or checked, disable saturate(0) filter for label icon github filter */
label[for="filter--github"]:hover > span.icon {
  filter: none;
}

[value="github"]:checked ~ label[for="filter--github"] > span.icon {
  filter: none;
}

/* git command styles for filter states */

/* When GIT is checked:

for GIT commands
1: change background colour of git commands to git orange, text to white,
2: change border radius to square off lower two corners to connect with paragraph below 
3: change opacity of hidden icon to 100% 

for GITHUB commands
4. Change label to white on grey
5. Change paragraph to grey on white

*/

[value="git"]:checked ~ li[data-category="git"] > p {
  background-color: var(--clr-git_orange);
  color: white;
  border-radius: 0px 8px 8px 8px;
}

[value="git"]:checked ~ li[data-category="git"] > h2 {
  border-radius: 8px 8px 0 0;
}

[value="git"]:checked ~ li[data-category="git"] > h2 > span.icon {
  opacity: 100%;
}

[value="git"]:checked ~ li[data-category="github"] > h2 {
  background-color: var(--clr-neutral_grey);
  color: #fff;
}
[value="git"]:checked ~ li[data-category="github"] > p {
  color: var(--clr-neutral_grey);
}

/* github command styles for filter states */

/* When GITHUB is checked:

for GITHUB commands
1: change background colour of git commands to light blue
2: change border radius to square off lower two corners to connect with paragraph below 
3: change opacity of hidden icon to 100% 

for GIT commands
4. Change label to white on grey
5. Change paragraph to grey on white

*/

[value="github"]:checked ~ li[data-category="github"] > p {
  background-color: var(--clr-octo_blue);
  border-radius: 0px 8px 8px 8px;
}

[value="github"]:checked ~ li[data-category="github"] > h2 {
  border-radius: 8px 8px 0 0;
}

[value="github"]:checked ~ li[data-category="github"] > h2 > span.icon {
  /* visibility: visible; */
  opacity: 100%;
}

[value="github"]:checked ~ li[data-category="git"] > h2 {
  background-color: var(--clr-neutral_grey);
  color: #fff;
}
[value="github"]:checked ~ li[data-category="git"] > p {
  color: var(--clr-neutral_grey);
}