/** BASE **/

html,
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.5;
}

* {
  box-sizing: inherit;
}

body {
  --font-family: "Microsoft Sans Serif", "MS Sans Serif", Arial, sans-serif;
  --color-font: #fff;
  --color-bg: #283237;
  --color-key: #60b9ec;
  --color-font__popup: #fff;
  --color-bg__popup: #1772e4;
  --color-key__popup: #000;
  --color-error: #ec5f59;
  --color-border_win: #808080;

  @media (min-width: 812px) {
    --font-family: "Source Code Pro", sans-serif;
  }
}

.hidden {
  display: none !important;
}

.visible__sm {
  display: none !important;
}

p {
  margin-top: 0;
}

/** END BASE **/

/** VIM **/

.vim {
  --bg-image-dark: none;
  --bg-image-light: none;
  --popup-width: 100%;
  --popup-padding: 0;
  --banner-padding: 0 2rem;

  height: var(--screen-height);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-font);
  background-color: var(--color-bg);
  cursor: text;

  @media screen and (max-width: 812px) {
    --screen-height: calc(100vh - 2.5rem);
    --color-bg: #007c7c;
  }

  @media (min-width: 812px) {
    --bg-image-dark: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="30px" height="20px" fill="lightblue"><text x="5" y="15">~</text></svg>');
    --bg-image-light: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="30px" height="20px" fill="darkblue"><text x="5" y="15">~</text></svg>');
    --popup-width: 600px;
    --screen-height: 100vh;
    --popup-padding: 2rem;
    --banner-padding: 0;

    &::before {
      content: "";
      width: 2rem;
      height: calc(100% - 3rem);
      position: absolute;
      top: 1.5rem;
      bottom: 1.5rem;
      left: 0;
      background-image: var(--bg-image-dark);
      background-repeat: repeat-y;
    }
  }

  &.light {
    caret-color: #0037ff;

    &::before {
      background-image: var(--bg-image-light);
    }
  }

  &.matrix {
    caret-color: #0f0;
  }

  &.wobble {
    animation: wobble 0.6s ease-in-out;
  }
}

/** END VIM **/

/** CARET **/

@media (min-width: 812px) {
  .has-caret {
    &::after {
      content: "";
      width: 0.6rem;
      height: 1.375rem;
      background-color: var(--color-font);
      display: inline-block;
      vertical-align: text-bottom;
      opacity: 0;
    }

    &.blink::after {
      opacity: 1;
    }
  }
}

/** END CARET **/

/** EDITOR **/
@media (min-width: 812px) {
  .editor {
    position: absolute;
    top: 0;
    left: 0;
    width: max-content;
    height: min-content;
    overflow-y: scroll;
    padding-left: 0.5rem;
    background-color: var(--color-bg);
    outline: none;
    scrollbar-width: none;

    &::-webkit-scrollbar {
      display: none;
    }

    div {
      width: max-content;
      outline: none;
    }
  }
}

/** END EDITOR **/

/** POPUP **/

.popup {
  position: absolute;
  left: 10px;
  top: 10px;
  width: calc(100vw - 20px);
  height: auto;
  max-height: calc(var(--screen-height) - 20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 0;
  background-color: #c0c0c0;
  border: 2px solid;
  border-color: #fff var(--color-border_win) var(--color-border_win) #fff;
  overflow-y: scroll;
  outline: none;
  scrollbar-width: none;

  @media (min-width: 812px) {
    top: 0;
    left: 0;
    width: 100vw;
    height: var(--screen-height);
    max-height: unset;
    justify-content: center;
    padding: var(--popup-padding);
    background-color: var(--color-bg);
    border-width: 0;
  }

  &::-webkit-scrollbar {
    display: none;
  }

  .wrapper {
    width: 100%;
    max-width: var(--popup-width);
    margin: 2px;
    padding: 0.5rem;
    color: #000;
    background-color: #fff;
    border: 2px solid;
    border-color: var(--color-border_win) #fff #fff var(--color-border_win);
    flex: 1;
    overflow-y: auto;

    @media (min-width: 812px) {
      flex: unset;
      margin: 0;
      padding: 2rem;
      color: var(--color-font__popup);
      background-color: var(--color-bg__popup);
      border-width: 0;
    }
  }

  .divider {
    color: var(--color-bg);
  }

  h3 {
    display: flex;
    align-items: center;
  }

  .icon {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
    fill: currentColor;
  }

  .help {
    display: flex;

    .type {
      width: 4rem;
    }

    .command {
      width: 13rem;
      flex-shrink: 0;
    }

    .key {
      color: var(--color-key__popup);
    }
  }
}

.matrix-active .popup {
  background-color: rgba(40, 50, 55, 0.85);
}

/** BANNER **/

.banner {
  max-width: var(--popup-width);
  padding: var(--banner-padding);
  text-align: center;
}

.instructions {
  text-align: left;
  width: 80%;
  margin: 2rem auto;

  .instruction {
    display: flex;
    margin-bottom: 0.5rem;

    .type {
      width: 3rem;
      margin-right: 1rem;
    }

    .command {
      width: 13rem;
      flex-shrink: 0;
      margin-right: 1rem;
    }

    .key {
      color: var(--color-key);
    }
  }
}

/** END BANNER **/

/** STATUS BAR **/

.status-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background-color: var(--color-bg);
}

.status-bar--colon {
  padding-left: 0.5rem;
}

.status-bar--colon,
.status-bar--command {
  padding-right: 0.125rem;
}

.status-bar--error {
  padding-left: 0.5rem;
  background-color: var(--color-error);
}

.status-bar--q {
  padding-left: 0.5rem;
}

.status-bar--clock {
  margin-left: auto;
  margin-right: 0.5rem;
  color: var(--color-key);
}

/** END STATUS BAR **/

/** WIN95 TASKBAR **/

.taskbar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  height: 2.5rem;
  display: flex;
  align-items: center;
  background: #c0c0c0;
  border-top: 2px solid #fff;
  z-index: 999;
  padding: 0 2px;

  & > button {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    height: 1.625rem;
    padding: 0 0.5rem;
    font-size: 0.75rem;
    font-weight: bold;
    background: #c0c0c0;
    border: 2px solid;
    border-color: #fff var(--color-border_win) var(--color-border_win) #fff;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;

    &:active {
      border-color: var(--color-border_win) #fff #fff var(--color-border_win);
    }

    &.active {
      border-color: var(--color-border_win) #fff #fff var(--color-border_win);
    }
  }

  .clock {
    margin-left: auto;
    height: 1.375rem;
    display: flex;
    align-items: center;
    padding: 0 0.375rem;
    font-size: 0.6875rem;
    background: #c0c0c0;
    border: 2px solid;
    border-color: var(--color-border_win) #fff #fff var(--color-border_win);
    color: #000;
  }
}

/** WIN95 START MENU **/

.start-menu {
  position: fixed;
  left: 0;
  bottom: 2.5rem;
  width: 12rem;
  background: #c0c0c0;
  border: 2px solid;
  border-color: #fff var(--color-border_win) var(--color-border_win) #fff;
  z-index: 998;
  padding: 2px;

  .item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
    color: #000;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;

    &.selected {
      background: #000080;
      color: #fff;
    }
  }
}

/** WIN95 POPUP TITLE BAR **/

.titlebar {
  display: flex;
  align-items: center;
  width: 100%;
  height: 1.375rem;
  background: linear-gradient(90deg, #000080, #1084d0);
  padding: 0 2px;
  flex-shrink: 0;

  .title {
    flex: 1;
    font-size: 0.6875rem;
    font-weight: bold;
    color: #fff;
    padding: 0 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .controls {
    display: flex;
    gap: 2px;

    & > button {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 1.125rem;
      height: 1rem;
      font-size: 0.5rem;
      font-weight: bold;
      background: #c0c0c0;
      border: 2px solid;
      border-color: #fff var(--color-border_win) var(--color-border_win) #fff;
      cursor: pointer;
      padding: 0;
      line-height: 1;
      -webkit-tap-highlight-color: transparent;
      font-family: sans-serif;

      &:active {
        border-color: var(--color-border_win) #fff #fff var(--color-border_win);
      }

      &.close {
        font-size: 0.5625rem;
      }
    }
  }
}

/** WIN95 MOBILE ACTIONS **/

.mobile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 4px;
  background: #c0c0c0;
  flex-shrink: 0;

  & > button {
    height: 1.375rem;
    padding: 0 0.5rem;
    font-size: 0.6875rem;
    background: #c0c0c0;
    border: 2px solid;
    border-color: #fff var(--color-border_win) var(--color-border_win) #fff;
    cursor: pointer;
    text-align: left;
    color: #000;
    display: flex;
    align-items: center;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;

    &:active {
      border-color: var(--color-border_win) #fff #fff var(--color-border_win);
    }
  }
}

/** END SM SCREEN CONTROLS **/

/** MEDIA QUERIES **/

@media screen and (min-width: 813px) {
  .visible__sm {
    display: block !important;
  }
  .hidden__lg {
    display: none !important;
  }
}

/** MEDIA QUERIES **/

/** A11Y **/

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;

  &:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 14px;
    font-size: 0.875rem;
    font-weight: bold;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
  }
}

#content[tabindex="-1"]:focus {
  outline: 0;
}

/** END A11Y **/

/** WOBBLE **/

@keyframes wobble {
  0%,
  100% {
    transform: translateX(0);
  }
  10% {
    transform: translateX(-3px) rotate(-1deg);
  }
  20% {
    transform: translateX(3px) rotate(1deg);
  }
  30% {
    transform: translateX(-3px) rotate(-1deg);
  }
  40% {
    transform: translateX(3px) rotate(1deg);
  }
  50% {
    transform: translateX(-2px) rotate(-1deg);
  }
  60% {
    transform: translateX(2px) rotate(1deg);
  }
  70% {
    transform: translateX(-2px);
  }
  80% {
    transform: translateX(2px);
  }
  90% {
    transform: translateX(-1px);
  }
}

/** END WOBBLE **/