:root {
	--ui-accent: #7b6cff;
	--ui-accent-soft: #a89bff;
	--ui-accent-glow: rgba(123, 108, 255, 0.55);
	--ui-bg: rgba(8, 11, 26, 0.78);
	--ui-border: rgba(143, 130, 255, 0.42);
	--ui-text: #f2efff;
	--ui-muted: rgba(210, 204, 255, 0.55);
	--ui-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
	--ui-switch-w: 280px;
	--ui-switch-h: 54px;
	--ui-safe-t: env(safe-area-inset-top, 0px);
	--ui-safe-r: env(safe-area-inset-right, 0px);
	--ui-safe-b: env(safe-area-inset-bottom, 0px);
	--ui-safe-l: env(safe-area-inset-left, 0px);
}

.tour-ui,
.tour-ui * {
	box-sizing: border-box;
}

.tour-ui {
	position: fixed;
	inset: 0;
	z-index: 1000;
	pointer-events: none;
	font-family: var(--ui-font);
	color: var(--ui-text);
}

.tour-ui__dim {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.62);
	opacity: 1;
	transition: opacity 0.55s ease;
	pointer-events: none;
	z-index: 1;
}

.tour-ui__dim.is-hidden {
	opacity: 0;
}

.tour-ui__shade {
	position: absolute;
	inset: 0;
	background:
		linear-gradient(180deg, rgba(4, 6, 16, 0.42) 0%, transparent 18%, transparent 78%, rgba(4, 6, 16, 0.5) 100%);
	pointer-events: none;
	z-index: 2;
}

.tour-ui__logo {
	position: absolute;
	top: calc(var(--ui-logo-top, 22px) + var(--ui-safe-t));
	left: calc(var(--ui-logo-left, 22px) + var(--ui-safe-l));
	width: var(--ui-logo-w, 108px);
	height: auto;
	filter: drop-shadow(0 4px 18px rgba(0, 0, 0, 0.45));
	pointer-events: none;
	user-select: none;
	-webkit-user-drag: none;
	z-index: 10;
}

.tour-ui__height {
	position: absolute;
	top: calc(var(--ui-height-top, 22px) + var(--ui-safe-t));
	right: calc(var(--ui-height-right, 22px) + var(--ui-safe-r));
	pointer-events: none;
	z-index: 10;
	text-align: right;
	max-width: min(340px, 46vw);
}

.tour-ui__height-label {
	margin: 0 0 10px;
	padding-bottom: 10px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.28);
	font-size: 13px;
	font-weight: 400;
	letter-spacing: 0.06em;
	color: rgba(255, 255, 255, 0.78);
	line-height: 1.2;
	text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

.tour-ui__height-value {
	margin: 0;
	display: flex;
	align-items: baseline;
	justify-content: flex-end;
	flex-wrap: wrap;
	gap: 0 10px;
	line-height: 1;
}

.tour-ui__height-number {
	font-size: clamp(42px, 5.5vw, 58px);
	font-weight: 300;
	letter-spacing: -0.02em;
	color: #ffffff;
	font-variant-numeric: tabular-nums;
	text-shadow: 0 2px 14px rgba(0, 0, 0, 0.35);
}

.tour-ui__height-unit {
	font-size: clamp(16px, 2vw, 20px);
	font-weight: 400;
	letter-spacing: 0.02em;
	color: rgba(255, 255, 255, 0.88);
	text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

.tour-ui__switch {
	position: absolute;
	left: 50%;
	bottom: calc(var(--ui-switch-bottom, 32px) + var(--ui-safe-b));
	transform: translateX(-50%);
	width: var(--ui-switch-w);
	height: var(--ui-switch-h);
	padding: 4px;
	border-radius: 999px;
	background: var(--ui-bg);
	border: 1px solid var(--ui-border);
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), 0 0 28px rgba(61, 46, 170, 0.35);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4px;
	pointer-events: auto;
	z-index: 10;
}

.tour-ui__switch-thumb {
	position: absolute;
	top: 4px;
	left: 4px;
	width: calc(50% - 4px);
	height: calc(100% - 8px);
	border-radius: 999px;
	background: linear-gradient(135deg, #8f82ff 0%, #6b5cff 55%, #4a3aff 100%);
	box-shadow: 0 0 22px rgba(123, 108, 255, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.18);
	transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
	will-change: transform;
}

.tour-ui__switch.is-night .tour-ui__switch-thumb {
	transform: translateX(calc(100% + 4px));
}

.tour-ui__switch-btn {
	position: relative;
	z-index: 1;
	border: 0;
	background: transparent;
	color: var(--ui-muted);
	font: inherit;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 0;
	transition: color 0.25s ease;
}

.tour-ui__switch-btn svg {
	width: 16px;
	height: 16px;
	opacity: 0.65;
	transition: opacity 0.25s ease;
}

.tour-ui__switch-btn.is-active {
	color: #fff;
	text-shadow: 0 0 10px rgba(255, 255, 255, 0.35);
}

.tour-ui__switch-btn.is-active svg {
	opacity: 1;
}

.tour-ui__hint {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	width: 168px;
	height: 168px;
	display: flex;
	align-items: center;
	justify-content: center;
	pointer-events: none;
	opacity: 1;
	transition: opacity 0.55s ease, transform 0.55s ease;
	z-index: 10;
}

.tour-ui__hint.is-hidden {
	opacity: 0;
	transform: translate(-50%, -50%) scale(0.92);
}

.tour-ui__hint-ring {
	position: absolute;
	inset: 0;
	border-radius: 50%;
	border: 2px solid rgba(155, 130, 255, 0.95);
	box-shadow:
		0 0 40px rgba(123, 92, 255, 0.85),
		0 0 80px rgba(90, 60, 255, 0.45),
		inset 0 0 36px rgba(123, 92, 255, 0.35);
	background: radial-gradient(circle, rgba(38, 22, 88, 0.92) 0%, rgba(18, 10, 48, 0.78) 100%);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
	animation: tourHintPulse 2s ease-in-out infinite, tourHintGlow 2s ease-in-out infinite;
}

.tour-ui__hint-orbit {
	position: absolute;
	inset: -10px;
	border-radius: 50%;
	border: 2px dashed rgba(180, 150, 255, 0.75);
	animation: tourHintSpin 8s linear infinite;
}

.tour-ui__hint-orbit::after {
	content: "";
	position: absolute;
	inset: 6px;
	border-radius: 50%;
	border: 1px dashed rgba(120, 90, 255, 0.5);
	animation: tourHintSpinRev 5s linear infinite;
}

.tour-ui__hint-body {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
	padding: 0 18px;
	text-align: center;
}

.tour-ui__hint-icon {
	width: 46px;
	height: 46px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(110, 80, 255, 0.35);
	border: 2px solid rgba(190, 170, 255, 0.85);
	box-shadow: 0 0 24px rgba(130, 100, 255, 0.75);
	animation: tourHintDrag 1.6s ease-in-out infinite;
}

.tour-ui__hint-icon svg {
	width: 24px;
	height: 24px;
	display: block;
	filter: drop-shadow(0 0 6px rgba(220, 210, 255, 0.9));
}

.tour-ui__hint-text {
	font-size: 10px;
	font-weight: 700;
	line-height: 1.45;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: #f4f0ff;
	text-shadow: 0 0 18px rgba(150, 120, 255, 1), 0 0 32px rgba(100, 70, 255, 0.65);
}

@keyframes tourHintPulse {
	0%, 100% { transform: scale(1); }
	50% { transform: scale(1.08); }
}

@keyframes tourHintGlow {
	0%, 100% {
		border-color: rgba(155, 130, 255, 0.85);
		box-shadow:
			0 0 40px rgba(123, 92, 255, 0.75),
			0 0 80px rgba(90, 60, 255, 0.35),
			inset 0 0 36px rgba(123, 92, 255, 0.3);
	}
	50% {
		border-color: rgba(200, 180, 255, 1);
		box-shadow:
			0 0 52px rgba(150, 110, 255, 1),
			0 0 100px rgba(100, 70, 255, 0.55),
			inset 0 0 44px rgba(150, 110, 255, 0.45);
	}
}

@keyframes tourHintSpin {
	to { transform: rotate(360deg); }
}

@keyframes tourHintSpinRev {
	to { transform: rotate(-360deg); }
}

@keyframes tourHintDrag {
	0%, 100% { transform: translateX(-14px); }
	50% { transform: translateX(14px); }
}

@media (max-width: 720px) {
	:root {
		--ui-switch-w: 248px;
		--ui-switch-h: 50px;
	}

	.tour-ui__logo {
		width: 86px;
	}

	.tour-ui__height-label {
		font-size: 12px;
		margin-bottom: 8px;
		padding-bottom: 8px;
	}

	.tour-ui__hint {
		width: 148px;
		height: 148px;
	}

	.tour-ui__hint-text {
		font-size: 9px;
	}
}

@media (max-width: 420px) {
	.tour-ui__height {
		max-width: 52vw;
	}
}