/* Collage "bay xuyên không gian" (assets/js/moodboard.js, template-parts/teacher-moodboard.php). */

.tri-mood {
	--tri-mood-bg: #f5f3ef;
	position: relative;
	height: min(100vh, 860px);
	min-height: 520px;
	overflow: hidden;
	contain: paint;
	background:
		radial-gradient(60% 60% at 50% 50%, rgba(255, 255, 255, 0.85), transparent 70%),
		var(--tri-mood-bg);
	isolation: isolate;
	user-select: none;
}

.tri-mood__stage {
	position: absolute;
	inset: 0;
	perspective: 1200px;
	transform-style: preserve-3d;
	pointer-events: none;
}

.tri-mood__photo {
	position: absolute;
	top: 50%;
	left: 50%;
	overflow: hidden;
	background: #ddd;
	opacity: 0;
	transform-origin: center center;
	will-change: transform, opacity;
	backface-visibility: hidden;
}

.tri-mood__photo img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.tri-mood__photo.is-white {
	padding: 6px;
	background: #fff;
	box-shadow: 0 10px 30px rgba(20, 20, 20, 0.12);
}

.tri-mood__photo.is-shadow {
	box-shadow: 0 18px 40px rgba(20, 20, 20, 0.22);
}

/* Chữ nổi giữa khung. */
.tri-mood__overlay {
	position: absolute;
	inset: 0;
	z-index: 200000;
	display: grid;
	place-items: center;
	padding: 24px;
	pointer-events: none;
	text-align: center;
}

.tri-mood__card {
	max-width: 620px;
	padding: 22px 28px 24px;
	border-radius: 20px;
	background: rgba(255, 255, 255, 0.78);
	box-shadow: 0 20px 60px rgba(9, 31, 91, 0.15);
	color: var(--wp--preset--color--navy, #091f5b);
	backdrop-filter: blur(10px) saturate(1.2);
	pointer-events: auto;
}

.tri-mood__eyebrow {
	margin: 0 0 6px;
	color: var(--wp--preset--color--orange, #ec6207);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.tri-mood__title {
	margin: 0 0 8px;
	font-size: clamp(24px, 3.4vw, 40px);
	line-height: 1.2;
}

.tri-mood__sub {
	margin: 0 0 16px;
	color: #4b5775;
	font-size: 15px;
	line-height: 1.55;
}

@media (max-width: 767px) {
	.tri-mood {
		height: 78vh;
		min-height: 460px;
	}

	.tri-mood__card {
		padding: 18px 18px 20px;
	}
}