:root {
  --green: #23b23c;
  --line: #e6e6e6;
  --fill: 0, 0, 0;
  --page-bg: #0d0d0d;
  --panel-alpha: 0.85;
}

:root[data-mode='light'] {
  --green: #1a8a2e;
  --line: #141414;
  --fill: 255, 255, 255;
  --page-bg: #ededed;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 8px;
  font-family: Arial, sans-serif;
  color: var(--green);
  background: transparent;
  display: grid;
  grid-template-columns: 240px minmax(0, 780px) 240px;
  grid-template-areas: 'left center right';
  justify-content: center;
  gap: 12px;
}

body.admin {
  display: block;
  max-width: 960px;
  margin: 0 auto;
  background: var(--page-bg);
}

body.local {
  background: var(--page-bg);
}

.left-panel {
  grid-area: left;
  align-self: start;
}

.center-panel {
  grid-area: center;
  min-width: 0;
}

.right-panel {
  grid-area: right;
}

.panel {
  background: rgba(var(--fill), var(--panel-alpha));
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
}

h2 {
  font-size: 1rem;
  margin: 0.25rem 0 0.5rem;
}

button,
input,
select,
textarea {
  font: inherit;
  color: var(--green);
  background: rgba(var(--fill), var(--panel-alpha));
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 4px 10px;
}

button {
  cursor: pointer;
}

button:hover {
  border-color: var(--green);
}

#free-space:disabled {
  opacity: 0.5;
  cursor: default;
}

#save-config.unsaved {
  background: var(--green);
  color: #06180a;
  border-color: var(--green);
}

#reset-scores {
  color: #fff;
  background: #c0392b;
}

a {
  color: var(--green);
}

#call-bingo {
  display: block;
  margin: 0 auto 8px;
  font-size: 1.3rem;
  font-weight: bold;
  padding: 8px 28px;
}

.game-name {
  text-align: center;
  font-weight: bold;
  margin: 0.25rem 0;
}

.error {
  color: #ff5b5b;
  min-height: 1.2em;
  text-align: center;
  margin: 0.25rem 0;
}

.banner {
  text-align: center;
  font-weight: bold;
  font-size: 1.15rem;
  margin: 0.25rem 0;
}

.board {
  display: grid;
  grid-template-columns: repeat(var(--size, 5), 1fr);
  gap: 4px;
  /* only a starting point, main.ts fits each label to its tile */
  font-size: clamp(0.7rem, calc(46vw / var(--size, 5) / 6), 1.15rem);
}

.tile {
  aspect-ratio: 1 / 1;
  padding: 7%;
  font-size: inherit;
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  min-width: 0;
  white-space: normal;
  overflow-wrap: normal;
  word-break: normal;
  overflow: hidden;
}

.tile.called {
  border: 2px solid var(--green);
}

.tile.marked {
  background: var(--green);
  color: #06180a;
}

.tile.free {
  background: rgba(35, 178, 60, 0.45);
  cursor: default;
}

.tile.bingo {
  outline: 3px solid var(--green);
  filter: brightness(1.25);
}

#called-list,
#scoreboard {
  margin: 0.25rem 0;
  padding-left: 1.5rem;
}

#called-list {
  columns: 2;
  column-gap: 24px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

textarea {
  width: 100%;
}

.display-settings {
  position: fixed;
  top: 6px;
  right: 6px;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.75rem;
}

input[type='range'] {
  width: 90px;
  padding: 0;
  background: transparent;
  border: none;
}

.call-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.call-item {
  font-size: 0.8rem;
}

.call-item.called {
  background: var(--green);
  color: #06180a;
}

.call-item.free-called {
  background: #b58900;
  color: #1a1200;
  cursor: default;
}

@media (max-width: 640px) {
  body {
    grid-template-columns: 1fr;
    grid-template-areas: 'center' 'left' 'right';
  }

  .display-settings {
    position: static;
    justify-content: flex-end;
  }
}