/* Gallery Management System — frontend (scoped to .gms-wrap / .gms-lightbox) */
.gms-wrap,
.gms-lightbox {
	--gms-primary: #15003d;
	--gms-on-primary: #ffffff;
	--gms-text: #2b2b33;
	--gms-muted: #6b6b78;
	--gms-border: #e3e1ea;
	--gms-bg: #ffffff;
	--gms-radius: 10px;
	--gms-cols-d: 4;
	--gms-cols-t: 3;
	--gms-cols-m: 2;
	--gms-ratio: 4/3;
}

.gms-wrap {
	box-sizing: border-box;
	max-width: 100%;
	margin: 0 auto;
	padding: 8px 0 24px;
	background: var(--gms-bg);
	color: var(--gms-text);
	line-height: 1.5;
}
.gms-wrap *,
.gms-wrap *::before,
.gms-wrap *::after { box-sizing: border-box; }

/* Navigation */
.gms-wrap .gms-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0 0 16px;
	padding: 0;
}
.gms-wrap .gms-nav--categories { padding-bottom: 12px; border-bottom: 1px solid var(--gms-border); }
.gms-wrap .gms-nav[hidden] { display: none; }

.gms-wrap .gms-tab {
	appearance: none;
	margin: 0;
	padding: 9px 18px;
	font: inherit;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.2;
	color: var(--gms-primary);
	background: #fff;
	border: 1.5px solid var(--gms-primary);
	border-radius: 999px;
	cursor: pointer;
	text-transform: none;
	letter-spacing: 0;
	box-shadow: none;
	transition: background-color .15s ease, color .15s ease, box-shadow .15s ease;
}
.gms-wrap .gms-tab:hover { background: #f1eef8; background: color-mix(in srgb, var(--gms-primary) 8%, #fff); color: var(--gms-primary); }
.gms-wrap .gms-tab:focus-visible,
.gms-wrap .gms-btn:focus-visible,
.gms-wrap .gms-item__btn:focus-visible { outline: 3px solid #8b6fe0; outline-offset: 2px; }
.gms-wrap .gms-tab.is-active {
	background: var(--gms-primary);
	color: var(--gms-on-primary);
	box-shadow: 0 2px 8px rgba(21, 0, 61, .25);
}

/* Years: smaller, squarer buttons */
.gms-wrap .gms-nav--years .gms-tab {
	padding: 7px 16px;
	font-size: 14px;
	border-radius: 8px;
	border-color: var(--gms-border);
	color: var(--gms-text);
}
.gms-wrap .gms-nav--years .gms-tab:hover { border-color: var(--gms-primary); color: var(--gms-primary); }
.gms-wrap .gms-nav--years .gms-tab.is-active { border-color: var(--gms-primary); color: var(--gms-on-primary); }

/* Status messages */
.gms-wrap .gms-status:empty { display: none; }
.gms-wrap .gms-empty {
	margin: 12px 0;
	padding: 32px 16px;
	text-align: center;
	color: var(--gms-muted);
	background: #faf9fc;
	border: 1px dashed var(--gms-border);
	border-radius: var(--gms-radius);
}
.gms-wrap .gms-error { padding: 20px; text-align: center; border: 1px solid #f0c6c6; background: #fdf3f3; border-radius: var(--gms-radius); color: #8a1f1f; }
.gms-wrap .gms-loading { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 28px 0; color: var(--gms-muted); }
.gms-wrap .gms-spinner {
	width: 20px; height: 20px;
	border: 3px solid var(--gms-border);
	border-top-color: var(--gms-primary);
	border-radius: 50%;
	animation: gms-spin .8s linear infinite;
}
@keyframes gms-spin { to { transform: rotate(360deg); } }

.gms-wrap .gms-btn {
	appearance: none;
	display: inline-block;
	margin: 8px 0 0;
	padding: 10px 22px;
	font: inherit;
	font-weight: 600;
	color: var(--gms-on-primary);
	background: var(--gms-primary);
	border: 0;
	border-radius: 8px;
	cursor: pointer;
}
.gms-wrap .gms-btn:disabled { opacity: .6; cursor: default; }
.gms-wrap .gms-more { text-align: center; margin-top: 20px; }

/* Grid */
.gms-wrap .gms-grid {
	display: grid;
	grid-template-columns: repeat(var(--gms-cols-d), minmax(0, 1fr));
	gap: 16px;
	margin: 8px 0 0;
}
.gms-wrap .gms-item { margin: 0; min-width: 0; }
.gms-wrap .gms-item__btn,
.gms-wrap .gms-item__frame {
	display: block;
	width: 100%;
	margin: 0;
	padding: 0;
	overflow: hidden;
	aspect-ratio: var(--gms-ratio);
	background: #f1eff6;
	border: 1px solid var(--gms-border);
	border-radius: var(--gms-radius);
	box-shadow: 0 1px 3px rgba(21, 0, 61, .08);
	cursor: zoom-in;
	transition: box-shadow .2s ease, transform .2s ease;
}
.gms-wrap .gms-item__frame { cursor: default; }
.gms-wrap .gms-item__btn:hover { box-shadow: 0 6px 18px rgba(21, 0, 61, .18); transform: translateY(-2px); }
.gms-wrap .gms-img { display: block; width: 100%; height: 100%; max-width: 100%; object-fit: cover; margin: 0; border-radius: 0; }
.gms-wrap .gms-caption { margin: 8px 2px 0; font-size: 14px; color: var(--gms-muted); }

@media (max-width: 1024px) {
	.gms-wrap .gms-grid { grid-template-columns: repeat(var(--gms-cols-t), minmax(0, 1fr)); gap: 14px; }
}
@media (max-width: 640px) {
	.gms-wrap .gms-grid { grid-template-columns: repeat(var(--gms-cols-m), minmax(0, 1fr)); gap: 10px; }
	.gms-wrap .gms-tab { padding: 8px 14px; font-size: 14px; }
}

/* Lightbox */
body.gms-lb-open { overflow: hidden; }
.gms-lightbox {
	position: fixed;
	inset: 0;
	z-index: 999999;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(10, 4, 24, .92);
	color: #fff;
}
.gms-lightbox[hidden] { display: none; }
.gms-lightbox .gms-lb-figure { margin: 0; max-width: 90vw; max-height: 90vh; text-align: center; }
.gms-lightbox .gms-lb-img { display: block; max-width: 90vw; max-height: 80vh; margin: 0 auto; object-fit: contain; border-radius: 6px; }
.gms-lightbox .gms-lb-caption { margin-top: 12px; font-size: 15px; color: #e9e6f2; }
.gms-lightbox .gms-lb-caption[hidden] { display: none; }
.gms-lightbox .gms-lb-counter { position: absolute; left: 0; right: 0; bottom: 14px; text-align: center; font-size: 13px; color: #bdb6d3; }
.gms-lightbox .gms-lb-btn {
	appearance: none;
	position: absolute;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 46px; height: 46px;
	margin: 0; padding: 0;
	font-size: 22px;
	line-height: 1;
	color: #fff;
	background: rgba(255, 255, 255, .12);
	border: 1px solid rgba(255, 255, 255, .25);
	border-radius: 50%;
	cursor: pointer;
}
.gms-lightbox .gms-lb-btn:hover { background: rgba(255, 255, 255, .25); }
.gms-lightbox .gms-lb-btn:focus-visible { outline: 3px solid #b9a4ff; outline-offset: 2px; }
.gms-lightbox .gms-lb-btn[hidden] { display: none; }
.gms-lightbox .gms-lb-close { top: 16px; right: 16px; font-size: 28px; }
.gms-lightbox .gms-lb-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.gms-lightbox .gms-lb-next { right: 16px; top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) {
	.gms-lightbox .gms-lb-btn { width: 40px; height: 40px; }
	.gms-lightbox .gms-lb-prev { left: 8px; }
	.gms-lightbox .gms-lb-next { right: 8px; }
}

@media (prefers-reduced-motion: reduce) {
	.gms-wrap *, .gms-lightbox * { transition: none !important; animation-duration: 1.5s !important; }
}