.uth-qr-layout {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
	gap: 26px;
	align-items: start;
}

.uth-qr-controls {
	display: grid;
	gap: 16px;
}

.uth-qr-fields {
	display: grid;
	gap: 14px;
}

/* ---- Design panel ---- */

.uth-qr-design {
	display: grid;
	gap: 14px;
	padding: 18px;
	background: var(--uth-surface-soft);
	border: 1px solid var(--uth-border);
	border-radius: 14px;
}

.uth-qr-design__row {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.uth-qr-color,
.uth-qr-field {
	display: grid;
	gap: 6px;
}

.uth-qr-color label,
.uth-qr-field label {
	color: var(--uth-heading);
	font-size: 0.84rem;
	font-weight: 700;
}

.uth-qr-color input[type="color"] {
	width: 100%;
	height: 42px;
	padding: 4px;
	background: var(--uth-background);
	border: 1px solid var(--uth-border);
	border-radius: 10px;
	cursor: pointer;
	transition: border-color 160ms ease, box-shadow 160ms ease;
}

.uth-qr-color input[type="color"]:focus-visible {
	border-color: var(--uth-primary);
	outline: none;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

/* ---- Color presets ---- */

.uth-qr-presets {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.uth-qr-preset {
	position: relative;
	display: inline-flex;
	flex-direction: column;
	align-items: center;
	gap: 3px;
	width: 44px;
	padding: 5px;
	border: 2px solid var(--uth-border);
	border-radius: 10px;
	background: var(--uth-background);
	cursor: pointer;
	transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.uth-qr-preset i {
	display: block;
	width: 100%;
	height: 9px;
	border-radius: 3px;
}

.uth-qr-preset i:first-child {
	border: 1px solid rgba(15, 23, 42, 0.12);
}

.uth-qr-preset i:last-child {
	border: 1px solid rgba(15, 23, 42, 0.12);
}

.uth-qr-preset:hover {
	border-color: var(--uth-primary);
	transform: translateY(-1px);
}

.uth-qr-preset:focus-visible {
	outline: none;
	border-color: var(--uth-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.uth-qr-preset.is-active {
	border-color: var(--uth-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.uth-qr-preset.is-active::after {
	content: "";
	position: absolute;
	top: 3px;
	right: 3px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--uth-primary);
}

/* ---- Actions ---- */

.uth-qr-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.uth-qr-actions .uth-button {
	margin: 0;
}

/* ---- Preview ---- */

.uth-qr-preview {
	display: grid;
	gap: 14px;
}

.uth-qr-preview__box {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 26px;
	background:
		linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(255, 255, 255, 0) 45%),
		var(--uth-surface-soft);
	border: 1px solid var(--uth-border);
	border-radius: 18px;
	box-shadow: 0 18px 44px rgba(15, 23, 42, 0.08);
}

.uth-qr-preview__box[hidden] {
	display: none;
}

.uth-qr-preview__canvas-wrap {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	background: #ffffff;
	border: 1px solid rgba(15, 23, 42, 0.08);
	border-radius: 14px;
	box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
	animation: uth-qr-pop 240ms ease;
}

@keyframes uth-qr-pop {
	from {
		transform: scale(0.96);
		opacity: 0;
	}
	to {
		transform: scale(1);
		opacity: 1;
	}
}

.uth-qr-preview__box canvas {
	display: block;
	max-width: 100%;
	height: auto;
	image-rendering: pixelated;
	border-radius: 6px;
}

/* ---- Empty state ---- */

.uth-qr-preview__empty {
	display: grid;
	justify-items: center;
	gap: 10px;
	padding: 40px 24px;
	text-align: center;
	background: var(--uth-background);
	border: 1px dashed var(--uth-border-strong);
	border-radius: 18px;
	transition: border-color 200ms ease;
}

.uth-qr-preview__empty[hidden] {
	display: none;
}

.uth-qr-preview__empty-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 72px;
	height: 72px;
	color: var(--uth-primary);
	background: var(--uth-accent-soft, #eff6ff);
	border-radius: 20px;
}

.uth-qr-preview__empty-title {
	margin: 0;
	color: var(--uth-heading);
	font-size: 1.02rem;
	font-weight: 700;
}

.uth-qr-preview__empty-text {
	margin: 0;
	max-width: 280px;
	color: var(--uth-muted);
	font-size: 0.88rem;
	line-height: 1.6;
}

.uth-qr-preview__hint {
	margin: 0;
	text-align: center;
	color: var(--uth-muted);
	font-size: 0.84rem;
}

.uth-qr-preview__hint[hidden] {
	display: none;
}

.uth-qr-embed {
	display: grid;
	gap: 8px;
}

.uth-qr-embed__row {
	display: flex;
	gap: 8px;
}

.uth-qr-embed__row .uth-input {
	flex: 1 1 auto;
	min-width: 0;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.78rem;
}

@media (max-width: 900px) {
	.uth-qr-layout {
		grid-template-columns: 1fr;
	}

	.uth-qr-preview {
		order: -1;
	}
}