/* Photo Album Gallery — front end */

.pag-gallery {
	--pag-gap: 8px;
	--pag-accent: #1f2937;
	--pag-line: rgba(127, 127, 127, .28);
	margin: 1.5em 0;
}

/* Tabs */
.pag-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	margin: 0 0 1.25em;
	padding: 0;
	border-bottom: 1px solid var(--pag-line);
}
.pag-tabs .pag-tab {
	display: block;
	margin-bottom: -1px;
	padding: .6em 1.1em;
	border: 1px solid transparent;
	border-bottom: 2px solid transparent;
	color: inherit;
	opacity: .72;
	text-decoration: none !important;
	box-shadow: none !important;
	line-height: 1.3;
	transition: opacity .15s, border-color .15s;
}
.pag-tabs .pag-tab:hover,
.pag-tabs .pag-tab:focus-visible { opacity: 1; }
.pag-tabs .pag-tab.is-active {
	opacity: 1;
	font-weight: 600;
	border-bottom-color: currentColor;
}

/* Album heading */
.pag-album-head { margin: 0 0 1em; }
.pag-gallery .pag-album-title {
	margin: 0 0 .3em;
	font-size: 1.8em;
	line-height: 1.25;
}
.pag-album-desc { opacity: .85; }
.pag-album-desc p { margin: 0 0 .6em; }

/* Toolbar */
.pag-toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px 18px;
	margin: 0 0 12px;
	font-size: .875rem;
}
.pag-count { margin-right: auto; opacity: .7; }
.pag-ctrl { display: inline-flex; align-items: center; gap: 4px; }
.pag-ctrl-label { margin-right: 4px; opacity: .7; }

.pag-gallery .pag-btn,
.pag-login .pag-btn {
	-webkit-appearance: none;
	appearance: none;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin: 0;
	padding: 5px 10px;
	min-height: 32px;
	border: 1px solid var(--pag-line);
	border-radius: 6px;
	background: transparent;
	color: inherit;
	font: inherit;
	font-size: .875rem;
	line-height: 1.2;
	text-decoration: none;
	text-transform: none;
	letter-spacing: normal;
	box-shadow: none;
	cursor: pointer;
}
.pag-gallery .pag-btn:hover { border-color: currentColor; }
.pag-gallery .pag-btn[aria-pressed="true"] {
	background: var(--pag-accent);
	border-color: var(--pag-accent);
	color: #fff;
}
.pag-btn-num { min-width: 32px; justify-content: center; }
.pag-btn svg { width: 15px; height: 15px; fill: currentColor; flex: none; }
@media (max-width: 560px) {
	.pag-ctrl [data-layout] span { display: none; }
}
/* Below 1024px the column count is set automatically (4 / 3 / 2), so the buttons would do nothing. */
@media (max-width: 1023px) {
	.pag-ctrl-cols { display: none !important; }
}

/* Grid — shared */
.pag-grid { margin: 0; }
.pag-gallery .pag-item {
	position: relative;
	display: block;
	overflow: hidden;
	border-radius: 4px;
	background: rgba(127, 127, 127, .14);
	box-shadow: none;
	text-decoration: none;
}
.pag-gallery .pag-item img {
	display: block;
	width: 100%;
	height: 100%;
	max-width: none;
	margin: 0;
	padding: 0;
	border: 0;
	border-radius: 0;
	box-shadow: none;
	object-fit: cover;
	transition: transform .35s ease, filter .35s ease;
}
.pag-gallery .pag-item:hover img { transform: scale(1.035); }
.pag-gallery .pag-item:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

/* Uniform 4:3 grid */
.pag-grid.pag-uniform {
	display: grid;
	grid-template-columns: repeat(var(--pag-cols, 5), minmax(0, 1fr));
	gap: var(--pag-gap);
}
.pag-uniform .pag-item { aspect-ratio: 4 / 3; }

/* Masonry (JS columns) */
.pag-grid.pag-masonry {
	display: flex;
	align-items: flex-start;
	gap: var(--pag-gap);
}
.pag-col {
	display: flex;
	flex: 1 1 0;
	flex-direction: column;
	gap: var(--pag-gap);
	min-width: 0;
}
.pag-masonry .pag-item,
.pag-masonry-css .pag-item { aspect-ratio: var(--pag-ar, 4 / 3); }

/* Masonry fallback before JS runs / without JS */
.pag-grid.pag-masonry-css {
	column-count: var(--pag-cols, 5);
	column-gap: var(--pag-gap);
}
.pag-masonry-css .pag-item {
	margin-bottom: var(--pag-gap);
	break-inside: avoid;
}
@media (max-width: 1023px) { .pag-grid.pag-masonry-css { column-count: 4; } }
@media (max-width: 767px)  { .pag-grid.pag-masonry-css { column-count: 3; } }
@media (max-width: 479px)  { .pag-grid.pag-masonry-css { column-count: 2; } }

/* Notices / login */
.pag-notice { padding: .8em 1em; border-left: 4px solid #d97706; background: rgba(217, 119, 6, .08); }
.pag-login {
	padding: 2.5em 1.5em;
	border: 1px solid var(--pag-line);
	border-radius: 8px;
	text-align: center;
}
.pag-login-title { margin: 0 0 1em; font-size: 1.15em; }
.pag-login-actions { display: flex; justify-content: center; gap: 10px; margin: 0; }
.pag-login .pag-btn { padding: 8px 18px; }
.pag-login .pag-btn-primary { background: var(--pag-accent, #1f2937); border-color: var(--pag-accent, #1f2937); color: #fff; }

/* ------------------------------------------------------------------ */
/* Lightbox                                                           */
/* ------------------------------------------------------------------ */

html.pag-lb-lock,
html.pag-lb-lock body { overflow: hidden !important; }

.pag-lb {
	position: fixed;
	inset: 0;
	z-index: 999999;
	background: #0b0b0d;
	color: #fff;
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang TC", "Microsoft JhengHei", sans-serif;
}
.pag-lb[hidden] { display: none !important; }

.pag-lb-stage {
	position: absolute;
	inset: 52px 0 0 0;
	display: flex;
	overflow: hidden;
}
.pag-lb-stage.pag-full {
	overflow: auto;
	-webkit-overflow-scrolling: touch;
}
.pag-lb-img {
	display: block;
	margin: auto;
	-webkit-user-select: none;
	user-select: none;
}
.pag-fit .pag-lb-img {
	width: auto;
	height: auto;
	max-width: calc(100vw - 130px);
	max-height: calc(100vh - 72px);
	object-fit: contain;
}
.pag-full .pag-lb-img { max-width: none; max-height: none; }
@media (max-width: 700px) {
	.pag-fit .pag-lb-img { max-width: 100vw; }
}

.pag-lb-bar {
	position: absolute;
	top: 0;
	right: 0;
	left: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 52px;
	padding: 0 8px 0 18px;
	font-size: 14px;
}
.pag-lb-count { opacity: .8; font-variant-numeric: tabular-nums; }
.pag-lb-actions { display: flex; align-items: center; gap: 4px; }

.pag-lb button,
.pag-lb a {
	-webkit-appearance: none;
	appearance: none;
	margin: 0;
	border: 0;
	border-radius: 6px;
	background: transparent;
	color: #fff;
	font: inherit;
	line-height: 1;
	text-decoration: none;
	box-shadow: none;
	cursor: pointer;
}
.pag-lb-size { padding: 8px 12px; border: 1px solid rgba(255, 255, 255, .3) !important; font-size: 13px !important; }
.pag-lb-orig { display: inline-flex; padding: 8px; }
.pag-lb-orig svg { width: 20px; height: 20px; fill: currentColor; }
.pag-lb-close { padding: 4px 12px; font-size: 30px !important; }
.pag-lb button:hover,
.pag-lb a:hover { background: rgba(255, 255, 255, .12); }
.pag-lb button:focus-visible,
.pag-lb a:focus-visible { outline: 2px solid #93c5fd; }

.pag-lb-nav {
	position: absolute;
	top: 50%;
	width: 56px;
	height: 96px;
	margin-top: -22px !important;
	transform: translateY(-50%);
	font-size: 48px !important;
	opacity: .75;
}
.pag-lb-nav:hover { opacity: 1; }
.pag-lb-prev { left: 4px; }
.pag-lb-next { right: 4px; }
.pag-lb.is-single .pag-lb-nav { display: none; }
@media (max-width: 700px) {
	.pag-lb-nav { width: 44px; height: 72px; font-size: 36px !important; background: rgba(0, 0, 0, .35) !important; }
}

.pag-lb-spin {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 36px;
	height: 36px;
	margin: -18px 0 0 -18px;
	border: 3px solid rgba(255, 255, 255, .25);
	border-top-color: #fff;
	border-radius: 50%;
	opacity: 0;
	pointer-events: none;
	transition: opacity .2s;
	animation: pag-spin .8s linear infinite;
}
.pag-lb.is-loading .pag-lb-spin { opacity: 1; transition-delay: .15s; }
@keyframes pag-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
	.pag-gallery .pag-item img { transition: none; }
	.pag-gallery .pag-item:hover img { transform: none; }
}