/* =====================================================
   Ultimate 3D Text Gallery – Styles
   ===================================================== */

/* ── Container ── */
.u3d-canvas-wrap {
	position: relative;
	width: 100%;
	height: 500px;
	overflow: hidden;
	border-radius: 8px;
	background: #0a0a0f;
	cursor: grab;
	-webkit-user-select: none;
	user-select: none;
}
.u3d-canvas-wrap:active { cursor: grabbing; }

.u3d-canvas {
	display: block;
	width: 100% !important;
	height: 100% !important;
	outline: none;
}

/* ── Loader ── */
.u3d-loader {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: inherit;
	transition: opacity 0.5s ease;
	z-index: 5;
}
.u3d-loader.u3d-hidden {
	opacity: 0;
	pointer-events: none;
}
.u3d-spinner {
	width: 44px;
	height: 44px;
	border: 3px solid rgba(255,255,255,.15);
	border-top-color: #00ffe7;
	border-radius: 50%;
	animation: u3d-spin 0.9s linear infinite;
}
@keyframes u3d-spin {
	to { transform: rotate(360deg); }
}

/* ── Lightbox ── */
.u3d-lightbox {
	position: fixed;
	inset: 0;
	background: var(--lb-bg, rgba(0,0,0,.92));
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 99999;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.35s ease;
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
}
.u3d-lightbox.u3d-lb-open {
	opacity: 1;
	pointer-events: all;
}
.u3d-lb-inner {
	max-width: 90vw;
	max-height: 90vh;
	transform: scale(0.88);
	transition: transform 0.35s cubic-bezier(.22,1,.36,1);
}
.u3d-lightbox.u3d-lb-open .u3d-lb-inner {
	transform: scale(1);
}
.u3d-lb-img {
	display: block;
	max-width: 100%;
	max-height: 90vh;
	border-radius: 6px;
	box-shadow: 0 24px 80px rgba(0,0,0,.7);
}
.u3d-lb-close {
	position: fixed;
	top: 20px;
	right: 24px;
	background: none;
	border: none;
	color: var(--lb-btn, #fff);
	font-size: 32px;
	line-height: 1;
	cursor: pointer;
	padding: 4px 10px;
	opacity: .8;
	transition: opacity .2s, transform .2s;
	z-index: 100000;
}
.u3d-lb-close:hover { opacity: 1; transform: scale(1.15); }

/* ── Responsive ── */
@media (max-width: 767px) {
	.u3d-canvas-wrap { height: 300px !important; }
}