.sudoku-pattern-diagram {
	display: grid;
	width: fit-content;
	margin: 1.5rem auto;
	border: 2px solid #333;
	background: #fff;
	font-size: 0.75rem;
	line-height: 1;
	color: #888;
}

.sudoku-pattern-diagram .pattern-cell {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 0.15rem;
	min-height: 2.4rem;
	padding: 0.15rem;
	border: 1px solid #cfcfcf;
	box-sizing: border-box;
}

.sudoku-pattern-diagram .pattern-cell.pattern-highlight {
	background: #ffe58a;
}

.sudoku-pattern-diagram .pattern-elim {
	color: #b00020;
	font-weight: bold;
}

.sudoku-pattern-diagram .pattern-gap-col,
.sudoku-pattern-diagram .pattern-gap-row {
	display: flex;
	align-items: center;
	justify-content: center;
	border: 1px solid #cfcfcf;
	box-sizing: border-box;
	color: #bbb;
}

.sudoku-pattern-diagram .pattern-gap-col {
	min-height: 2.4rem;
}

.sudoku-pattern-diagram .pattern-gap-row {
	height: 1rem;
}

.sudoku-pattern-diagram .pattern-box-border-right {
	border-right: 2px solid #333;
}

.sudoku-pattern-diagram .pattern-box-border-bottom {
	border-bottom: 2px solid #333;
}