/*
 * Lightbox , görsel önizleme katmanı.
 * Tema renk token'larına bağlıdır.
 */

#lb-overlay {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 900;
	background: rgba(0, 0, 0, 0.92);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	align-items: center;
	justify-content: center;
	padding: var(--space-7);
	box-sizing: border-box;
}

#lb-overlay.lb--open {
	display: flex;
	animation: lb-fade-in 200ms var(--ease-out-brand) both;
}

@keyframes lb-fade-in {
	from { opacity: 0; }
	to   { opacity: 1; }
}

/* Stage */
#lb-stage {
	display: flex;
	flex-direction: column;
	align-items: center;
	max-width: min(90vw, 1100px);
	max-height: 90vh;
	gap: var(--space-4);
}

#lb-img {
	display: block;
	max-width: 100%;
	max-height: calc(90vh - 60px);
	width: auto;
	height: auto;
	object-fit: contain;
	border-radius: var(--radius-md);
	opacity: 0;
	transform: scale(0.97);
	transition:
		opacity 280ms var(--ease-out-brand),
		transform 280ms var(--ease-out-brand);
	box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}

#lb-img.lb--loaded {
	opacity: 1;
	transform: scale(1);
}

#lb-caption {
	color: rgba(255, 255, 255, 0.72);
	font-size: var(--fs-small);
	text-align: center;
	margin: 0;
	max-width: 600px;
	line-height: 1.5;
}

/* Kapat butonu */
#lb-close {
	position: absolute;
	top: var(--space-5);
	right: var(--space-5);
	width: 44px;
	height: 44px;
	border: 0;
	border-radius: var(--radius-circle);
	background: rgba(255, 255, 255, 0.12);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background var(--dur) var(--ease);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
}

#lb-close:hover {
	background: rgba(255, 255, 255, 0.22);
}

#lb-close:focus-visible {
	outline: 2px solid var(--color-brand);
	outline-offset: 3px;
}

#lb-close svg {
	width: 18px;
	height: 18px;
}

/* Önceki / Sonraki */
#lb-prev,
#lb-next {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 48px;
	height: 48px;
	border: 0;
	border-radius: var(--radius-circle);
	background: rgba(255, 255, 255, 0.12);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
}

#lb-prev { left: var(--space-5); }
#lb-next { right: var(--space-5); }

#lb-prev:hover { background: rgba(255, 255, 255, 0.22); transform: translateY(-50%) translateX(-2px); }
#lb-next:hover { background: rgba(255, 255, 255, 0.22); transform: translateY(-50%) translateX(2px); }

#lb-prev:focus-visible,
#lb-next:focus-visible {
	outline: 2px solid var(--color-brand);
	outline-offset: 3px;
}

#lb-prev svg,
#lb-next svg {
	width: 20px;
	height: 20px;
}

#lb-prev[hidden],
#lb-next[hidden] {
	display: none;
}

/* Mobil */
@media (max-width: 540px) {
	#lb-overlay {
		padding: var(--space-4);
	}

	#lb-prev { left: var(--space-3); }
	#lb-next { right: var(--space-3); }

	#lb-prev,
	#lb-next {
		width: 40px;
		height: 40px;
	}

	#lb-close {
		top: var(--space-3);
		right: var(--space-3);
	}
}

/* Azaltılmış hareket */
@media (prefers-reduced-motion: reduce) {
	#lb-overlay.lb--open { animation: none; }
	#lb-img { transition: none; }
}