/* =========================================================================
   Chan-Ao Portfolio Category Filter
   系列封存頁最上方的分類篩選列。深色主題，低調、與作品格線同寬。
   ========================================================================= */

.chanao-pfilter {
	margin: 0 0 2.2em;
	padding: 0 0 1.1em;
	border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.chanao-pfilter__list {
	display: flex;
	flex-wrap: wrap;
	gap: .5em .4em;
	margin: 0;
	padding: 0;
	list-style: none;
}

.chanao-pfilter__cell {
	margin: 0;
	padding: 0;
	list-style: none;
}

.chanao-pfilter__cell:before {
	content: none;   /* 主題會給 li 加項目符號 */
}

.chanao-pfilter__item {
	display: inline-flex;
	align-items: baseline;
	gap: .5em;
	padding: .5em 1.05em;
	border: 1px solid rgba(255, 255, 255, .18);
	border-radius: 2em;
	font-size: .82em;
	letter-spacing: .06em;
	text-transform: uppercase;
	line-height: 1.4;
	text-decoration: none;
	color: inherit;
	opacity: .72;
	transition: opacity .2s ease, border-color .2s ease, background-color .2s ease;
}

.chanao-pfilter__item:hover,
.chanao-pfilter__item:focus-visible {
	opacity: 1;
	border-color: rgba(255, 255, 255, .5);
	text-decoration: none;
}

/* 目前選中的分類：實心反白，一眼看得出篩選狀態。
   用 text_dark（深色配色下 = #FFF，標題色）而非 currentColor —— 後者是
   內文的 #8E8E8E，實心後會變成灰底灰字、對比不足。 */
.chanao-pfilter__item.is-active {
	opacity: 1;
	border-color: var(--theme-color-text_dark, #fff);
	background-color: var(--theme-color-text_dark, #fff);
}

.chanao-pfilter__item.is-active .chanao-pfilter__label,
.chanao-pfilter__item.is-active .chanao-pfilter__count {
	/* 反白：文字取頁面背景色 */
	color: var(--theme-color-bg_color, #191919);
}

.chanao-pfilter__item.is-active .chanao-pfilter__count {
	opacity: .5;
}

.chanao-pfilter__label {
	display: inline-flex;
	align-items: baseline;
	gap: .5em;
}

/* 中文為主、英文為輔。text-transform 對中文無效，只影響英文那一段 */
.chanao-pfilter__zh {
	font-size: 1.12em;
	letter-spacing: .12em;
}

.chanao-pfilter__en {
	opacity: .75;
}

.chanao-pfilter__count {
	font-size: .82em;
	opacity: .6;
	font-variant-numeric: tabular-nums;
}

@media (max-width: 767px) {

	.chanao-pfilter {
		margin-bottom: 1.6em;
	}

	.chanao-pfilter__item {
		padding: .45em .85em;
		font-size: .78em;
		letter-spacing: .04em;
	}
}