:root {
  --black: rgb(30 30 30);
  --dark-gray: rgb(38 38 38);
  --gray: rgb(54 54 54);
  --light-gray: rgb(112 112 112);
  --light: rgb(226 226 226);
  --white: rgb(255 255 255);

  font-family: 'Roboto';
  --unbound-font-size: 12;
  --font-size: 12pt;

  --tabs-percentage: 4.25%;
}

* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  background-color: var(--gray);
  margin: 0;
}

header {
  width: 100%;
  height: var(--tabs-percentage);
}

h1 {
  font-weight: 400;
  font-size: calc(2.5 * var(--font-size));
  color: var(--light);
}

h2, p, .select {
  font-size: var(--font-size);
  line-height: calc(1.4 * var(--font-size));
  color: var(--light);
}

p, .select {
  font-weight: 300;
}

h2 {
  font-weight: 500;
  margin-top: 2.5em;
}

img {
  max-width: 100%;
}

iframe {
  width: 100%;
  pointer-events: none;
}

button {
  border: 1px solid var(--light-gray);
  background-color: var(--gray);
  font-size: var(--font-size);
  padding: 0.25em 0 0.35em 0;
  width: 25%;
  color: var(--light);
  cursor: pointer;
}

.hyperlink, a {
  text-decoration: underline;
  cursor: pointer;
  color: var(--white);
}

input[type=number] {
  display: inline-block;
  appearance: textfield;
  border: 1px solid var(--light-gray);
  background-color: var(--dark);
  font-size: var(--font-size);
  color: var(--light);
  width: 6ch;
  padding: 0.2em 0.35em;
  margin: 1em 2em 0 0.15em;
  transform: translateY(-25%) scale(110%);
}

.select {
  display: inline-block;
  --char-padding: 2ch;
  cursor: pointer;
  position: relative;
  fill: var(--light);
  background-color: var(--gray);
  padding: 0.2em 0.35em 1px 0.35em;
  width: 40%;
  margin-right: 2em;
  border: 1px solid var(--light-gray);
}

.select[data-open=true] {
  border-bottom-color: transparent;
}

.label {
  display: flex;
  position: relative;
  justify-content: self;
}

.label::after {
  content: "";
  position: absolute;
  z-index: 2;
  width: calc(100% - var(--char-padding) * 1.3);
  height: 1px;
  bottom: -7.5%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--light-gray);
}

.select[data-open=false] > .label::after {
  display: none;
}

.label > svg {
  transform: translateY(-1px);
  scale: calc(var(--unbound-font-size) / 14);
}

.label > span {
  display: flex;
  align-items: center;
}

.select[data-open=false] > .label > svg {
  transform: rotate(-90deg) translateX(1px);
}

.options {
  position: absolute;
  z-index: 1;
  display: flex;
  flex-flow: column;
  overflow: hidden;
  background-color: inherit;
  padding: 0.25ch var(--char-padding) 0.5ch var(--char-padding);
  border: 1px solid var(--light-gray);
  border-top: none;
  width: calc(100% + 2px);
  height: auto;
  left: -1px;
}

.option {
  padding: 1px calc(var(--char-padding) / 1.5);
}

.option[data-open=true] {
  background-color: var(--light-gray);
}

.select[data-open=false] > .options {
  visibility: hidden;
}

.title {
  height: 100%;
  display: flex;
  align-items: center;
}

.tab-text {
  font-size: calc(1.4 * var(--font-size)); 
  margin: 0.3em 0.5em;
  cursor: default;
}

.viewport {
  display: flex;
  height: calc(100% - var(--tabs-percentage));
}

nav {
  height: 100%;
  display: flex;
}

.nav-buttons {
  display: flex;
  flex-flow: column;
  justify-content: space-between;
  height: 100%;
  width: 2.75em;
}

.nav-buttons button {
  background-color: transparent;
  border: none;
  padding: 0;
  width: 100%;
  aspect-ratio: 1/1;
  cursor: pointer;
  fill: var(--light);
}

.nav-buttons button[data-open=true] {
  background-color: var(--black);
  cursor: default;
}

#NavExplorer[data-open=true] {
  background-color: var(--dark-gray);
}

#Explorer {
  --left-space: 1.5ch;
  display: block;
  height: 100%;
  width: 25em;
  margin-right: 1px;
  padding: var(--left-space) var(--left-space) var(--left-space)  0;
  background-color: var(--dark-gray);
}

#Explorer[data-open=false] {
  display: none;
}

.folder {
  --bottom-space: 0.15em;
  --line-width: 2px;
}

.folder:first-child {
  padding-left: var(--left-space);
}

.folder:not(:first-child) > .folder-header {
  padding-left: calc(var(--left-space) / 1.5);
}

.folder:not(:first-child) > .folder-content {
  padding-left: calc(1.5 * var(--left-space));
}

.folder-header {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.folder[data-open=false] .folder-arrow {
  transform: rotate(-90deg); 
}

.file {
  color: var(--light);
  font-size: var(--font-size);
  padding: var(--bottom-space) var(--left-space);
  cursor: pointer;
}

.folder-header {
  color: var(--light);
  fill: var(--light-gray);
  font-size: var(--font-size);
}

.file[data-open=true],
.folder-header[data-open=true] {
  background-color: var(--gray);
}

.folder-content {
  display: flex;
  flex-direction: column;
  position: relative;
  height: auto;
  padding-left: 1.25ch;
}

.folder[data-open=false] .folder-content {
  height: 0; 
  overflow: hidden;
}

.folder-content::before {
  position: absolute;
  content: "";
  background-color: var(--gray);
  height: 100%;
  width: var(--line-width);
}

#Editor {
  display: flex;
  justify-content: center;
  background-color: var(--black);
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  overflow-y: scroll;
}

article {
  width: 86ch;
  height: fit-content;
  padding-top: 3em;
}

footer {
  margin: 7.5em 0 2.5em 0;
}

footer p {
  text-align: right;
  font-size: calc(var(--font-size) / 1.2);
  color: var(--light-gray);
  cursor: default;
}

article[data-open=false] {
  display: none;
}

article img {
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

article img,
article iframe {
  max-width: 100%;
  max-height: 480px;
  margin: 2em 0;
  height: auto;
}

article iframe.rect {
  aspect-ratio: 16/9;
}

article iframe.tv {
  aspect-ratio: 4/3;
}

article iframe.square {
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  aspect-ratio: 1/1;
  width: 75%;
}

article figure.vref {
  display: inline-block;
  position: relative;
  aspect-ratio: 1/1;
  width: 25%;
  cursor: pointer;
}

article .vrefs {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
}

article .vrefs > figure.vref {
  display: block;
  margin: 1em 2em;
}

article figure.vref > img {
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: cover;
  object-position: center;

  transition: filter 200ms;
}

article figure.vref > figcaption {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -100%);
  width: 90%;
  text-align: center;
  color: transparent;

  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;

  transition: color 200ms;
}

#PortfolioViewerHelp {
  position: fixed;
  bottom: 1%;
  right: 1%;
  background: none;
  border: none;
  padding: 0;
  height: 15vh;
  width: 15vh;
  fill: var(--light);
}

#PortfolioViewerTutorial {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
}

#PortfolioViewerTutorial > rect.background {
  background-color: var(--black);
  width: 100vw;
  height: 100vh;
  opacity: 80%;
}

.tutorial-bubble {
  mask-image: radial-gradient(circle, var(--black) 50%, );
}

#PortfolioViewerHelp[data-open=false] {
  display: none;
}

#PortfolioViewerTutorial[data-open=false] {
  display: none;
}

text {
  fill: var(--white);
  font-size: min(var(--font-size), 2vw);
}

text > tspan {
  text-decoration: underline;
  cursor: pointer;
  dy: 1.4em;
}

@media (any-hover: hover) {
  .file:hover, .folder-header:hover,
  .folder-header:hover > .folder-arrow {
    background-color: var(--gray);
  }

  .nav-buttons button[data-open=false]:hover {
    background-color: rgba(30, 30, 30, 0.5);
  }

  .option:hover {
    background-color: var(--light-gray);
  }

  .select[data-open=false]:hover,
  button:hover {
    background-color: var(--light-gray);
  }

  .hyperlink:hover,
  a:hover {
    opacity: 50%;
  }

  article figure.vref:hover > img {
    filter: brightness(20%) blur(4px) saturate(75%);
  }

  article figure.vref:hover > figcaption {
    color: white;
    mix-blend-mode: difference;
  }

  #PortfolioViewerHelp {
    right: 2%;
  }

  #PortfolioViewerHelp:hover {
    fill: var(--light-gray);
  }
}

@media (max-width: 1024px) {
  h2, p {
    line-height: calc(1.6 * var(--font-size));
  }

  .vref {
    flex: 1 1 100%;
  }

  #Explorer {
    width: calc(100vw - 2.75em);
  }

  .folder {
    max-width: 512px;
  }

  article {
    max-width: 80vw;
  }

  button {
    width: 100%;
    max-width: 350px;
  }

  .select {
    width: 100%;
    max-width: 350px;
  }
}

@media (max-height: 600px) or (max-width: 600px) {
  header {
    display: none;
  }

  .viewport {
    height: 100%;
  }
}