/* nonogram: rules used only by the nonogram pages (loaded after base.css). */
.nonogram-wrap {
  overflow: auto;
  max-width: 100%;
}

.nonogram-corner {
  background: var(--square-light);
  border-right: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
}

.nonogram-clue {
  display: flex;
  align-items: center;
  justify-content: center;
font-size: 0.75rem;
  font-weight: 700;
  background: var(--square-light);
  padding: 0.15em;
  box-sizing: border-box;
}

/* Flexbox `gap` fallback: margin-based spacing instead, since some E-Ink browsers (Tolino confirmed) don't support `gap` on a flex container and render items with zero space between them. */
.nonogram-clue > * {
  margin: 0 0.15em 0.15em 0;
}

.nonogram-clue > *:last-child {
  margin-right: 0;
}

.nonogram-clue-col {
  flex-direction: column;
  border-bottom: 2px solid var(--border);
}

.nonogram-clue-row {
  flex-direction: row;
  justify-content: flex-end;
  border-right: 2px solid var(--border);
  white-space: nowrap;
}

/* Flexbox `gap` fallback: margin-based spacing instead (see the
   .mode-buttons rule earlier) - this class is combined with the
   display:flex .nonogram-clue on the same element. */
.nonogram-clue-row > * {
  margin: 0 0.5em 0.5em 0;
}

.nonogram-clue-row > *:last-child {
  margin-right: 0;
}

.nonogram-cell {
  width: 1.8em;
  height: 1.8em;
  min-width: 1.4em;
  min-height: 1.4em;
  background: var(--square-light);
  border: 1px solid var(--border);
  box-sizing: border-box;
  font-weight: 700;
  padding: 0;
  cursor: pointer;
}

.nonogram-cell-block-left {
  border-left-width: 2px;
}

.nonogram-cell-block-top {
  border-top-width: 2px;
}

.nonogram-cell-filled {
  background: #111;
}

.nonogram-cell-marked {
  color: var(--muted);
}

.nonogram-icon {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  width: 1.4em;
  height: 1.4em;
  border: 2px solid var(--border);
  box-sizing: border-box;
  gap: 1px;
  padding: 1px;
}

.nonogram-icon::before,
.nonogram-icon::after {
  content: "";
  background: #111;
  grid-column: 2;
}

.nonogram-icon::before {
  grid-row: 1;
}

.nonogram-icon::after {
  grid-row: 3;
}

@media print {
  body.printable-puzzle .nonogram-wrap {
      overflow: visible !important;
    }
    body.printable-puzzle .nonogram-cell {
      background: #fff !important;
      color: transparent !important;
      border-radius: 0 !important;
    }
  }

/* On a filled (black) Nonogram cell the same double frame is drawn in
   the light colour, so it still shows. */
.nonogram-cell-filled.hint-cell {
  outline-color: var(--square-light);
}