/* Astro Trails — gallery + lightbox */

.astrotrails {
	--tr-bg-1: #0b1026;
	--tr-bg-2: #05060f;
	--tr-fg: #eef2ff;
	--tr-muted: #9aa6c9;
	--tr-accent: #cdd7ff;
	--tr-border: rgba(255, 255, 255, 0.12);
	--tr-tile: rgba(255, 255, 255, 0.04);

	box-sizing: border-box;
	margin: 0 auto;
	padding: 16px 18px;
	border-radius: 16px;
	background: radial-gradient(120% 120% at 50% 0%, var(--tr-bg-1) 0%, var(--tr-bg-2) 90%);
	color: var(--tr-fg);
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	-webkit-font-smoothing: antialiased;
	box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.astrotrails * { box-sizing: border-box; }

.astrotrails--light {
	--tr-bg-1: #f4f6fc;
	--tr-bg-2: #e7ecf7;
	--tr-fg: #1a2238;
	--tr-muted: #5b6688;
	--tr-accent: #2b3a78;
	--tr-border: rgba(20, 30, 60, 0.14);
	--tr-tile: rgba(20, 30, 60, 0.04);
	box-shadow: 0 14px 36px rgba(40, 60, 110, 0.16);
}

/* Controls */
.astrotrails .astrotrails__controls {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 12px 16px;
	margin-bottom: 14px;
}

.astrotrails .astrotrails__ctrl {
	display: flex;
	flex-direction: column;
	gap: 4px;
	min-width: 0;
}

.astrotrails .astrotrails__label {
	font-size: 0.7rem;
	text-transform: uppercase;
	letter-spacing: 0.07em;
	color: var(--tr-muted);
}

.astrotrails .astrotrails__nightrow {
	display: flex;
	align-items: stretch;
	gap: 6px;
}

.astrotrails .astrotrails__ctrl select {
	font-size: 0.9rem;
	padding: 6px 10px;
	border-radius: 8px;
	border: 1px solid var(--tr-border);
	background: var(--tr-tile);
	color: var(--tr-fg);
	min-width: 150px;
}

.astrotrails .astrotrails__nav {
	flex: 0 0 auto;
	width: 34px;
	font-size: 1.1rem;
	line-height: 1;
	color: var(--tr-fg);
	background: var(--tr-tile);
	border: 1px solid var(--tr-border);
	border-radius: 8px;
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.astrotrails .astrotrails__nav:hover:not(:disabled) {
	background: rgba(255, 255, 255, 0.1);
	border-color: var(--tr-accent);
}

.astrotrails .astrotrails__nav:disabled {
	opacity: 0.35;
	cursor: default;
}

.astrotrails .astrotrails__count {
	margin-left: auto;
	font-size: 0.8rem;
	color: var(--tr-muted);
	font-variant-numeric: tabular-nums;
}

/* Grid */
.astrotrails .astrotrails__grid {
	display: grid;
	grid-template-columns: repeat(var(--tr-cols, 4), minmax(0, 200px));
	gap: 8px;
	justify-content: center;
	transition: opacity 0.2s ease;
}

.astrotrails .astrotrails__grid.is-loading { opacity: 0.4; }

.astrotrails .astrotrails__item {
	position: relative;
	display: block;
	aspect-ratio: 200 / 134; /* matches the source thumbnails */
	border-radius: 10px;
	overflow: hidden;
	background: var(--tr-tile);
	text-decoration: none;
	border: 1px solid var(--tr-border);
}

.astrotrails .astrotrails__thumb {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	margin: 0;
	transition: transform 0.3s ease;
}

.astrotrails .astrotrails__item:hover .astrotrails__thumb { transform: scale(1.06); }

.astrotrails .astrotrails__badge {
	position: absolute;
	top: 6px;
	left: 6px;
	padding: 2px 7px;
	font-size: 0.64rem;
	font-weight: 700;
	letter-spacing: 0.02em;
	color: #fff;
	background: rgba(0, 0, 0, 0.6);
	border-radius: 999px;
}

.astrotrails .astrotrails__time {
	position: absolute;
	bottom: 6px;
	right: 6px;
	padding: 2px 7px;
	font-size: 0.62rem;
	font-variant-numeric: tabular-nums;
	color: #fff;
	background: rgba(0, 0, 0, 0.55);
	border-radius: 6px;
}

.astrotrails .astrotrails__none {
	margin: 16px 0;
	text-align: center;
	color: var(--tr-muted);
	font-size: 0.9rem;
}

.astrotrails .astrotrails__empty {
	margin: 0;
	padding: 22px;
	text-align: center;
	color: var(--tr-muted);
	font-size: 0.9rem;
	border: 1px dashed var(--tr-border);
	border-radius: 12px;
}

/* Lightbox (appended to <body>) */
.astrotrails-lightbox {
	position: fixed;
	inset: 0;
	z-index: 100000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px;
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.astrotrails-lightbox[hidden] { display: none; }

.astrotrails-lightbox__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(3, 5, 12, 0.88);
	backdrop-filter: blur(2px);
}

.astrotrails-lightbox__panel {
	position: relative;
	display: flex;
	flex-wrap: wrap;
	gap: 0;
	max-width: 1100px;
	max-height: 90vh;
	width: 100%;
	background: #0b1026;
	color: #eef2ff;
	border-radius: 14px;
	overflow: hidden;
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

.astrotrails-lightbox__img {
	flex: 1 1 60%;
	min-width: 280px;
	max-height: 90vh;
	object-fit: contain;
	background: #000;
	display: block;
	margin: 0;
}

.astrotrails-lightbox__meta {
	flex: 1 1 260px;
	max-width: 340px;
	padding: 18px 20px;
	overflow-y: auto;
	max-height: 90vh;
}

.astrotrails-lightbox__time {
	margin: 0 0 12px;
	font-size: 1.1rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.astrotrails-lightbox__det {
	margin-bottom: 12px;
	padding-bottom: 12px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.astrotrails-lightbox__dettype {
	font-size: 0.8rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: #cdd7ff;
	margin-bottom: 6px;
}

.astrotrails-lightbox__det dl {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 3px 12px;
	margin: 0;
}

.astrotrails-lightbox__det dt {
	font-size: 0.74rem;
	color: #9aa6c9;
}

.astrotrails-lightbox__det dd {
	margin: 0;
	font-size: 0.82rem;
	text-align: right;
	font-variant-numeric: tabular-nums;
}

.astrotrails-lightbox__close {
	position: absolute;
	top: 8px;
	right: 10px;
	z-index: 2;
	width: 34px;
	height: 34px;
	font-size: 24px;
	line-height: 1;
	color: #fff;
	background: rgba(0, 0, 0, 0.5);
	border: 0;
	border-radius: 50%;
	cursor: pointer;
}

.astrotrails-lightbox__close:hover { background: rgba(0, 0, 0, 0.75); }

.astrotrails-lightbox__pos {
	font-size: 0.78rem;
	font-weight: 500;
	color: #9aa6c9;
}

.astrotrails-lightbox__arrow {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 2;
	width: 44px;
	height: 44px;
	font-size: 28px;
	line-height: 1;
	color: #fff;
	background: rgba(0, 0, 0, 0.5);
	border: 0;
	border-radius: 50%;
	cursor: pointer;
}

.astrotrails-lightbox__arrow:hover { background: rgba(0, 0, 0, 0.78); }
.astrotrails-lightbox__prev { left: 14px; }
.astrotrails-lightbox__next { right: 14px; }

@media (max-width: 640px) {
	.astrotrails-lightbox { padding: 0; }
	.astrotrails-lightbox__panel { max-height: 100vh; height: 100%; border-radius: 0; flex-direction: column; flex-wrap: nowrap; }
	.astrotrails-lightbox__img { max-height: 58vh; flex: 0 0 auto; }
	.astrotrails-lightbox__meta { max-width: none; flex: 1 1 auto; }
	.astrotrails-lightbox__arrow { width: 40px; height: 40px; font-size: 24px; background: rgba(0, 0, 0, 0.6); }
	.astrotrails-lightbox__prev { left: 6px; }
	.astrotrails-lightbox__next { right: 6px; }
}

/* Mobile gallery layout */
@media (max-width: 600px) {
	.astrotrails { padding: 14px 14px; }
	.astrotrails .astrotrails__controls { gap: 10px 12px; }
	.astrotrails .astrotrails__ctrl { flex: 1 1 100%; }
	.astrotrails .astrotrails__ctrl select { min-width: 0; width: 100%; flex: 1 1 auto; }
	.astrotrails .astrotrails__count { margin-left: 0; flex: 1 1 100%; }
	.astrotrails .astrotrails__grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); justify-content: stretch; }
}

@media (max-width: 380px) {
	.astrotrails .astrotrails__grid { grid-template-columns: repeat(2, 1fr); }
}
