:root {
  --color-white: hsl(0, 0%, 100%);

  --color-gray-dark: hsl(25, 7%, 20%);
  --color-gray: hsl(25, 7%, 30%);
  --color-gray-light: hsl(35, 13%, 81%);
  --color-gray-lighter: hsl(35, 13%, 93%);

  --color-fog-1: hsl(37, 17%, 90%);
  --color-fog-2: hsl(36, 17%, 88%);
  --color-fog-3: hsl(35, 15%, 85%);
  --color-fog-4: hsl(34, 14%, 81%);
  --color-fog-5: hsl(33, 14%, 77%);
  --color-fog-6: hsl(36, 13%, 72%);
  --color-fog-7: hsl(36, 13%, 67%);
  --color-fog-8: hsl(36, 13%, 62%);
  --color-fog-9: hsl(36, 13%, 57%);
  --color-fog-10: hsl(36, 13%, 52%);
  --color-terracotta: hsl(19, 56%, 40%);

  --color-green: hsl(120, 50%, 81%);

  --font-body: 'Charter', 'Palatino', serif;
  --font-heading: 'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  --font-code: 'IBM Plex Mono', 'Consolas', monospace;

  --size-categories: 6rem;
  --size-scores: 5rem;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html, body, #app, #container {
  height: 100%;
}

body {
  font-family: var(--font-body);
}

h2 { margin: 0 }

button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;

  box-shadow: 1px 2px 4px hsla(from var(--color-terracotta) h calc(s / 2) l / 0.7);
  font-family: var(--font-body);
  background-color: var(--color-terracotta);
  color: var(--color-white);
}
.btn--link {
  background: none;
  color: var(--color-terracotta);
  box-shadow: none;
  padding: 0;
}
.btn--small {
  padding: 0.25rem 0.5rem;
  font-size: 10pt;
}

input[type=file] { display: none }

input[type=number] {
  width: 4rem;
  text-align: center;
  font-family: var(--font-heading);
}

label {
  cursor: pointer;
}

[contenteditable] {
  outline: 0 solid transparent;
}

#container {
  position: relative;

  &.mode-controller {
    .clue--showing { background-color: var(--color-green) }
  }

  &.mode-viewer {
    #board, #clues, .dropzone { pointer-events: none }

    .clue { visibility: hidden }
    .clue--showing { visibility: visible }
  }
}

#controls {
  position: absolute;
  padding: 0.5rem;
  top: 0;
  left: 0;
  cursor: pointer;
  z-index: 2;
  border-width: 0 1px 1px 0;
  border-style: solid;
  border-radius: 0 0 0.5rem 0;

  background-color: var(--color-gray-light);
  border-color: var(--color-gray);
}

#categories {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--size-categories);
  align-items: center;
  font-size: 24pt;
  font-family: var(--font-heading);
  border-bottom: 1px solid var(--color-gray);

  background-color: var(--color-gray-light);
  color: var(--color-gray);

  h2 {
    flex: 1 1 0;
    text-align: center;
    font-size: 24pt;
    font-weight: normal;
  }
}

#board {
  position: fixed;
  top: var(--size-categories);
  left: 0;
  right: 0;
  bottom: var(--size-scores);
  overflow: scroll;
  font-size: 60pt;

  .tile-column {
    text-align: center;
  }
}

#editor {
  position: fixed;
  top: var(--size-categories);
  left: 0;
  right: 0;
  bottom: 0;
  overflow: scroll;
  font-size: 12pt;
  background: var(--color-gray-light);

  .editor__handle {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
  }

  .editor__add-tile {
    padding: 0.5rem;
    text-align: center;
    font-family: var(--font-heading);
    color: var(--color-gray);
  }
}

#add-category {
  position: absolute;
  right: 1px;
  bottom: 0;
  z-index: 1;
}

#scores {
  position: fixed;
  height: var(--size-scores);
  bottom: 0;
  left: 0;
  right: 0;
  justify-content: space-around;
  align-items: center;
  padding: 0.5rem;
  font-size: 16pt;
  border-top: 1px solid var(--color-gray);

  background-color: var(--color-gray-light);
  color: var(--color-gray);

  .score {
    flex: 1 1 0;
    text-align: center;
    font-weight: bold;
    font-size: 28pt;
  }
}

#clues {
  position: fixed;
  top: var(--size-categories);
  left: 0;
  right: 0;
  bottom: var(--size-scores);
  font-size: 24pt;
  font-family: var(--font-heading);
  text-align: center;

  display: grid;
  grid-template-rows: auto 1fr auto;

  border: 3px solid var(--color-gray);
  border-width: 3px 0;
  background-color: var(--color-gray-light);
  color: var(--color-terracotta);
}

#clue-close {
  position: absolute;
  bottom: 0.75rem;
  right: 1rem;
  cursor: pointer;
}

#answer {
  padding: 0.5rem;
  display: flex;
  justify-self: center;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;

  &.answer--hidden {
    visibility: hidden;
  }
}

.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.category-drag-handle {
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  font-size: 12pt;
}
.category-remove-button {
  position: absolute;
  bottom: 0.25rem;
  left: 2rem;
  cursor: pointer;
}
.category-remove-button--bumped {
  left: 2.25rem;
}

.editor__tile {
  position: relative;
  padding: 0.5rem;
  border-bottom: 1px solid var(--color-gray);

  label {
    font-family: var(--font-heading);
    display: inline-block;
    margin: 0.5rem 0.5rem 0.25rem 0;
    color: var(--color-gray);
  }

  input {
    margin-left: 0.5rem;
  }

  &[draggable="true"] {
    opacity: 0.5;
  }
}

.drag-image {
  border: 1px solid var(--color-gray);
  padding: 0.25rem;

  .editor__handle {
    display: none;
  }
}

.pointer { cursor: pointer }

.row {
  display: flex;
  flex-direction: row;
}

.category {
  position: relative;
  flex: 1 1 0;
  text-align: center;
  padding: 0.25rem;
  cursor: pointer;
  height: 100%;
  display: flex;
  align-items: center;

  &[draggable=true] {
    opacity: 0.5;
  }
}
.category--selected {
  background-color: var(--color-terracotta);
  color: var(--color-fog-1);
}

.tile-column {
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
}

.tile {
  flex-grow: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: inherit;
  cursor: pointer;

  background-color: var(--color-gray-dark);
  color: var(--color-terracotta);

  &[data-points="1"] { background-color: var(--color-fog-1) }
  &[data-points="2"] { background-color: var(--color-fog-2) }
  &[data-points="3"] { background-color: var(--color-fog-3) }
  &[data-points="4"] { background-color: var(--color-fog-4) }
  &[data-points="5"] { background-color: var(--color-fog-5) }
  &[data-points="6"] { background-color: var(--color-fog-6) }
  &[data-points="7"] { background-color: var(--color-fog-7) }
  &[data-points="8"] { background-color: var(--color-fog-8) }
  &[data-points="9"] { background-color: var(--color-fog-9) }
  &[data-points="10"] { background-color: var(--color-fog-10) }
}

.header {
  padding: 0.5rem;

  color: var(--color-gray);
}

.clues {
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-weight: bold;
}

.clue {
  padding: 0.5rem;
}

.team {
  flex-grow: 1;
  text-align: center;
}

.dropzone-container { position: relative }

.dropzone {
  display: none;
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  border-radius: 1rem;
  z-index: 1;
  justify-content: center;
  align-items: center;
  font-size: 24pt;
  text-align: center;

  border: 4px dashed var(--color-gray);
  color: var(--color-gray);
  background: var(--color-fog-1);

  .dragover & {
    display: flex;
  }
}

.grabbable { cursor: grab }
.grabbing { cursor: grabbing }

[data-tooltip] { position: relative }
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  display: block;
  position: absolute;
  border-radius: 0.25rem;
  padding: 0.25rem;
  top: 0%;
  left: 120%;
  margin-top: -0.25rem;
  white-space: nowrap;
  font-family: var(--font-heading);

  background-color: var(--color-gray-lighter);
  color: var(--color-gray);
  box-shadow: 0 0 5px hsla(0, 0%, 0%, 0.5);
}