* { box-sizing: border-box; }

html,
body {
	width: 100%;
	height: 100%;
	margin: 0;
	overflow: hidden;
	background: var(--bg);
	color: var(--text);
	font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	user-select: none;
	-webkit-user-select: none;
	-webkit-touch-callout: none;
}

* { -webkit-touch-callout: none; }


.label {
	color: var(--muted);
	font-size: 0.72rem;
	line-height: 1.1;
	letter-spacing: 0.11em;
	text-transform: uppercase;
}

.big {
	margin-top: 2px;
	font-size: clamp(2.2rem, 5vw, 4.1rem);
	line-height: 0.94;
	letter-spacing: -0.08em;
	font-weight: 850;
}


.overlay {
	position: fixed;
	inset: 0;
	z-index: 10;
	display: grid;
	place-items: center;
	padding: 24px;
	opacity: 0;
	pointer-events: none;
	transition: opacity 180ms ease;
	overflow-x: hidden;
	overflow-y: auto;
	scrollbar-width: none;
}

.overlay::-webkit-scrollbar { display: none; }

.overlay.active {
	opacity: 1;
	pointer-events: auto;
}

.panel {
	width: min(1040px, 100%);
	border: 1px solid var(--border);
	border-radius: 28px;
	padding: clamp(22px, 4vw, 44px);
	background:
		linear-gradient(150deg, var(--panel-glow-a), transparent 32%),
		linear-gradient(330deg, var(--panel-glow-b), transparent 36%),
		var(--panel-strong);
	box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
	backdrop-filter: blur(18px);
	text-align: center;
	scrollbar-width: none;
	overflow-x: hidden;
}

.panel::-webkit-scrollbar { display: none; }

h1,
h2,
p { margin: 0; }

h1 {
	font-size: clamp(3rem, 9vw, 7.4rem);
	line-height: 0.86;
	letter-spacing: -0.08em;
	text-transform: uppercase;
}

h1 span {
	display: block;
	color: transparent;
	-webkit-text-stroke: 1px var(--heading-stroke);
	text-shadow: var(--heading-shadow);
}

h2 {
	font-size: clamp(2.1rem, 5vw, 4.1rem);
	line-height: 0.94;
	letter-spacing: -0.06em;
	text-transform: uppercase;
}

.subtitle {
	max-width: 740px;
	margin: 18px auto 0;
	color: var(--muted);
	font-size: clamp(1rem, 2vw, 1.2rem);
	line-height: 1.45;
}

.button-row,
.mode-grid,
.legend {
	display: flex;
	justify-content: center;
	gap: 12px;
	flex-wrap: wrap;
	margin-top: 28px;
}

button {
	appearance: none;
	border: 1px solid var(--button-border);
	border-radius: 999px;
	padding: 12px 18px;
	color: var(--text);
	background: var(--button-bg);
	font: inherit;
	font-weight: 750;
	letter-spacing: -0.01em;
	cursor: pointer;
	transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

button:hover,
button:focus-visible {
	transform: translateY(-2px);
	border-color: var(--button-border-hover);
	background: var(--button-bg-hover);
	outline: none;
}

.icon-corner-button {
	position: absolute;
	top: clamp(12px, 2vw, 18px);
	left: clamp(12px, 2vw, 18px);
	z-index: 2;
	min-width: 0;
	width: 46px;
	height: 46px;
	padding: 0;
	display: grid;
	place-items: center;
	border-radius: 14px;
	font-size: 1.35rem;
	line-height: 1;
}

.mode-card {
	width: min(300px, 100%);
	min-height: 220px;
	padding: 18px;
	border: 1px solid var(--mode-card-border);
	border-radius: 22px;
	background: var(--mode-card-bg);
	text-align: left;
	cursor: pointer;
	transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.mode-card:hover,
.mode-card:focus-visible {
	transform: translateY(-4px);
	border-color: var(--mode-card-border-hover);
	background: var(--mode-card-bg-hover);
	outline: none;
}

.mode-card strong {
	display: block;
	font-size: 1.35rem;
	letter-spacing: -0.03em;
}

.mode-card em,
.mode-card span {
	display: block;
	margin-top: 8px;
	color: var(--muted);
	font-style: normal;
	line-height: 1.45;
	font-size: 0.94rem;
}

.mode-card .tag {
	display: inline-block;
	margin-bottom: 12px;
	padding: 5px 9px;
	border-radius: 999px;
	border: 1px solid var(--tag-border);
	color: var(--tag-text);
	background: var(--tag-bg);
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.keycap,
.legend-item {
	display: inline-grid;
	place-items: center;
	min-height: 28px;
	padding: 0 9px;
	border-radius: 8px;
	border: 1px solid var(--legend-chip-border);
	background: var(--legend-chip-bg);
	color: var(--legend-chip-text);
	font-size: 0.86rem;
}

.legend-item b { color: var(--legend-chip-accent); }

.scoreline {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
	margin: 24px auto 0;
	max-width: 560px;
}

#gameOverOverlay .scoreline {
	grid-template-columns: repeat(3, minmax(0, 1fr));
	max-width: 1120px;
}

.scorebox {
	border: 1px solid var(--surface-card-border);
	border-radius: 18px;
	padding: 14px;
	background: var(--surface-card-bg);
}

.scorebox b {
	display: block;
	margin-top: 3px;
	font-size: 2rem;
	line-height: 1;
}

.loading-note {
	margin-top: 14px;
	color: var(--loading-note);
	font-size: 0.92rem;
	line-height: 1.45;
}

.install-note {
	margin: 10px auto 0;
	max-width: 460px;
	color: var(--install-note);
	font-size: 0.84rem;
	line-height: 1.35;
}

.install-panel {
	width: min(560px, 100%);
}

.install-hero-icons {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	margin: 20px auto 0;
	flex-wrap: wrap;
}

.install-hero-chip {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	padding: 10px 14px;
	border: 1px solid var(--install-hero-chip-border);
	border-radius: 999px;
	background: var(--install-hero-chip-bg);
	color: var(--install-hero-chip-text);
	font-size: 0.92rem;
	font-weight: 700;
	letter-spacing: 0.01em;
}

.install-hero-icon {
	display: inline-grid;
	place-items: center;
	width: 32px;
	height: 32px;
	border-radius: 10px;
	border: 1px solid var(--install-hero-icon-border);
	background: var(--install-hero-icon-bg);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
	font-size: 1rem;
	font-weight: 800;
}

.install-hero-icon-share {
	color: var(--install-hero-icon-share);
}

.install-hero-icon-add {
	color: var(--install-hero-icon-add);
}

.install-hero-arrow {
	color: var(--install-hero-arrow);
	font-size: 1.2rem;
}

.install-steps {
	margin: 22px auto 0;
	padding-left: 1.25rem;
	max-width: 420px;
	color: var(--install-steps-text);
	text-align: left;
	line-height: 1.6;
}

.install-step-action {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-weight: 700;
	color: var(--install-step-action);
}

.install-step-inline-icon {
	display: inline-grid;
	place-items: center;
	width: 24px;
	height: 24px;
	border-radius: 8px;
	border: 1px solid var(--install-step-inline-border);
	background: var(--install-step-inline-bg);
	font-size: 0.9rem;
	line-height: 1;
}

.install-step-inline-icon.share {
	color: var(--install-hero-icon-share);
}

.install-step-inline-icon.add {
	color: var(--install-hero-icon-add);
}

.start-overlay-stack {
	width: min(1040px, 100%);
	display: grid;
	gap: 14px;
	justify-items: center;
}

#startOverlay {
	position: fixed;
	isolation: isolate;
	background: transparent;
}

#startOverlay::before,
#startOverlay::after {
	content: '';
	position: absolute;
	inset: 0;
	pointer-events: none;
}

#startOverlay::before {
	z-index: -2;
	background: var(--start-overlay-before-bg);
	animation: startOverlayBreathe 7s ease-in-out infinite alternate;
}

#startOverlay::after {
	z-index: -1;
	background: var(--start-overlay-after-bg);
	mix-blend-mode: screen;
	opacity: 0.9;
}

#startOverlay .start-overlay-stack {
	position: relative;
	z-index: 1;
}

.start-overlay-stack .panel {
	width: 100%;
}

.start-kicker {
	margin-bottom: 12px;
	color: var(--legend-chip-accent);
	font-size: 0.76rem;
	letter-spacing: 0.18em;
}

.start-feature-strip {
	display: flex;
	justify-content: center;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 20px;
	padding: 0 10px;
}

.start-feature-pill {
	display: inline-grid;
	place-items: center;
	min-height: 34px;
	padding: 0 14px;
	border-radius: 999px;
	border: 1px solid var(--legend-chip-border);
	background: var(--legend-chip-bg);
	color: var(--text);
	font-size: 0.82rem;
	font-weight: 800;
	letter-spacing: 0.02em;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.start-helper {
	margin-top: 14px;
	color: var(--muted);
	font-size: 0.9rem;
	line-height: 1.4;
}

.start-overlay-footer {
	display: grid;
	justify-items: center;
	gap: 0;
}

.subtle-install-button {
	padding: 10px 16px;
	border-color: var(--subtle-install-border);
	background: var(--subtle-install-bg);
	color: var(--subtle-install-text);
	font-size: 0.9rem;
	font-weight: 700;
	backdrop-filter: blur(12px);
}

.subtle-install-button:hover,
.subtle-install-button:focus-visible {
	border-color: var(--subtle-install-hover-border);
	background: var(--subtle-install-hover-bg);
}

#startButton {
	min-width: 214px;
	min-height: 56px;
	padding: 14px 28px;
	border-color: var(--start-button-border);
	background: var(--start-button-bg);
	color: var(--start-button-text);
	font-size: 1rem;
	font-weight: 900;
	letter-spacing: 0.01em;
	box-shadow: var(--start-button-shadow);
}

#startButton:hover,
#startButton:focus-visible {
	border-color: var(--start-button-hover-border);
	background: var(--start-button-hover-bg);
	box-shadow: var(--start-button-hover-shadow);
}

@media (min-width: 1024px) and (pointer: fine) {
	#startOverlay {
		align-items: center;
		justify-items: center;
		padding: 32px;
	}

	#startOverlay .start-overlay-stack {
		width: min(900px, calc(100vw - 120px));
		gap: 24px;
	}

	#startOverlay .panel {
		padding: clamp(44px, 5vw, 64px) clamp(48px, 6vw, 84px);
	}

	#startOverlay h1 {
		font-size: clamp(5rem, 9vw, 8.6rem);
	}

	#startOverlay .subtitle {
		max-width: 640px;
		margin-top: 20px;
		font-size: clamp(1.15rem, 1.6vw, 1.4rem);

	#startOverlay .start-feature-strip {
		margin-top: 24px;
	}
		line-height: 1.5;
	}

	#startOverlay .button-row {
		margin-top: 30px;
	}

	#startOverlay .legend {
		margin-top: 22px;
		gap: 10px;
	}

	#startOverlay .legend-item {
		min-height: 34px;
		padding: 0 12px;
		font-size: 0.92rem;
	}
}

.install-steps li + li {
	margin-top: 8px;
}

#installAppButton[hidden],
#installAppNote[hidden] {
	display: none !important;
}

html.installed-web-app #installAppButton,
html.installed-web-app #installAppNote {
	display: none !important;
}

@keyframes startOverlayBreathe {
	from { opacity: 0.72; transform: scale(1); }
	to { opacity: 1; transform: scale(1.04); }
}

.score-breakdown {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin: 22px auto 0;
	max-width: 690px;
	text-align: left;
}

.score-breakdown div {
	border: 1px solid var(--surface-card-border);
	border-radius: 15px;
	padding: 11px 12px;
	background: var(--surface-card-bg);
}

.score-breakdown span {
	display: block;
	color: var(--muted);
	font-size: 0.72rem;
	letter-spacing: 0.09em;
	text-transform: uppercase;
}

.score-breakdown b {
	display: block;
	margin-top: 3px;
	color: var(--surface-card-text);
	font-size: 1.12rem;
	letter-spacing: -0.02em;
}

@media (max-width: 640px) {
	.panel { border-radius: 22px; }
	.scoreline, .score-breakdown { grid-template-columns: 1fr; }
	.install-note { font-size: 0.82rem; }
	.install-hero-icons { gap: 10px; margin-top: 16px; }
	.install-hero-chip { padding: 9px 12px; font-size: 0.86rem; }
	.install-hero-icon { width: 28px; height: 28px; }
	.install-steps { margin-top: 16px; font-size: 0.92rem; }
}

.results-panel { margin: 24px auto 0; max-width: 920px; text-align: left; }
.results-hero { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.results-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.result-card { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: center; min-height: 74px; padding: 13px 14px; border: 1px solid var(--result-card-border); border-radius: 18px; background: var(--result-card-bg); box-shadow: var(--result-card-inset); }
.result-card.primary { border-color: var(--result-card-primary-border); background: var(--result-card-primary-bg); }
.result-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 14px; background: var(--result-icon-bg); border: 1px solid var(--result-icon-border); font-size: 1.28rem; filter: var(--result-icon-shadow); }
.result-label { display: block; color: var(--muted); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1; }
.result-value { display: block; margin-top: 5px; color: var(--result-value); font-size: 1.18rem; font-weight: 900; letter-spacing: -0.03em; line-height: 1.05; }
.result-note { display: block; margin-top: 4px; color: var(--result-note); font-size: 0.78rem; line-height: 1.2; }

@media (min-width: 1024px) and (pointer: fine) {
	#gameOverOverlay .panel {
		width: min(1120px, calc(100vw - 32px));
		max-height: min(900px, calc(100dvh - 28px));
		overflow-x: hidden;
		overflow-y: hidden;
	}

	#gameOverOverlay .scoreline,
	#gameOverOverlay .button-row,
	#gameOverOverlay .results-panel {
		width: 100%;
		max-width: none;
	}

	#gameOverOverlay .button-row {
		margin-top: 20px;
	}

	#gameOverOverlay .button-row button {
		flex: 1 1 0;
		min-width: 0;
	}

	#gameOverOverlay .results-panel {
		margin-top: 18px;
	}

	#gameOverOverlay .results-hero,
	#gameOverOverlay .results-grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: 12px;
	}

	#gameOverOverlay .result-card {
		min-height: 74px;
		padding: 12px 14px;
	}

	#gameOverOverlay .result-icon {
		width: 32px;
		height: 32px;
		font-size: 0.95rem;
	}

	#gameOverOverlay .result-label {
		font-size: 0.66rem;
	}

	#gameOverOverlay .result-value {
		font-size: 1.12rem;
	}

	#gameOverOverlay .result-note {
		font-size: 0.72rem;
	}
}

@media (max-width: 880px) { .results-hero { grid-template-columns: repeat(2, minmax(0, 1fr)); } .results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .results-hero, .results-grid { grid-template-columns: 1fr; } .result-card { min-height: 66px; } }
/* Mobile fullscreen and responsive overlay polish for v11. */
html, body {
	min-height: 100%;
	min-height: 100dvh;
	overscroll-behavior: none;
	-webkit-text-size-adjust: 100%;
	-webkit-tap-highlight-color: transparent;
	user-select: none;
}

body.fullscreen-active { background: var(--bg); }

.overlay {
	padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	align-items: start;
}

.panel {
	width: min(1040px, calc(100vw - 24px));
	max-height: calc(100dvh - max(28px, env(safe-area-inset-top)) - max(28px, env(safe-area-inset-bottom)));
	overflow-y: auto;
	overscroll-behavior: contain;
	margin: auto;
}

.mode-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	align-items: stretch;
}

#modeOverlay .legend {
	max-height: 138px;
	overflow-y: auto;
	padding-right: 2px;
}

#modeOverlay .panel {
	position: relative;
}

#gameOverOverlay {
	background: var(--gameover-overlay-bg);
}

#gameOverOverlay .panel {
	position: relative;
	isolation: isolate;
	width: min(1080px, 100%);
	padding: clamp(22px, 3vw, 38px);
	border-color: var(--gameover-panel-border);
	background: var(--gameover-panel-bg);
	box-shadow: var(--gameover-panel-shadow);
}

#gameOverOverlay .panel::before,
#gameOverOverlay .panel::after {
	content: '';
	position: absolute;
	inset: 12px;
	z-index: -1;
	border-radius: 22px;
	pointer-events: none;
}

#gameOverOverlay .panel::before {
	border: 1px solid var(--gameover-panel-before-border);
	box-shadow: var(--gameover-panel-before-shadow);
}

#gameOverOverlay .panel::after {
	background: var(--gameover-panel-after-bg);
	opacity: 0.9;
}

#gameOverOverlay h2 {
	color: var(--gameover-heading-color);
	font-size: clamp(3rem, 9vw, 6.6rem);
	letter-spacing: -0.04em;
	text-shadow: var(--gameover-heading-shadow);
}

#gameOverReason {
	width: fit-content;
	max-width: min(680px, 100%);
	margin-inline: auto;
	padding: 10px 18px;
	border-radius: 999px;
	border: 1px solid var(--gameover-reason-border);
	background: var(--gameover-reason-bg);
	color: var(--gameover-reason-text);
	backdrop-filter: blur(10px);
}

#gameOverReason strong { color: var(--gameover-reason-strong); }

#gameOverOverlay .scoreline {
	gap: clamp(10px, 1.5vw, 18px);
	margin-top: 24px;
	max-width: 1040px;
}

#gameOverOverlay .scorebox {
	position: relative;
	min-height: 128px;
	display: grid;
	place-items: center;
	padding: 20px 18px;
	overflow: hidden;
	border-radius: 22px;
	border-color: var(--gameover-scorebox-border);
	background: var(--gameover-scorebox-bg);
	box-shadow: var(--gameover-scorebox-shadow);
}

#gameOverOverlay .scorebox:nth-child(2) {
	border-color: var(--gameover-scorebox-second-border);
	background: var(--gameover-scorebox-second-bg);
}

#gameOverOverlay .scorebox:nth-child(3) {
	border-color: var(--gameover-scorebox-third-border);
	background: var(--gameover-scorebox-third-bg);
}

#gameOverOverlay .scorebox::before {
	content: '';
	position: absolute;
	inset: 9px;
	border: 1px solid var(--gameover-scorebox-inner-border);
	border-radius: 16px;
	pointer-events: none;
}

#gameOverOverlay .scorebox .label {
	color: var(--gameover-scorebox-label);
	font-size: clamp(0.72rem, 1.5vw, 0.95rem);
	font-weight: 850;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

#gameOverOverlay .scorebox:nth-child(3) .label { color: var(--gameover-scorebox-third-label); }

#gameOverOverlay .scorebox b {
	margin-top: 10px;
	color: var(--gameover-scorebox-value);
	font-size: clamp(2.4rem, 6vw, 4.1rem);
	line-height: 0.9;
	letter-spacing: -0.06em;
	text-shadow: var(--gameover-scorebox-value-shadow);
}

#gameOverOverlay .scorebox:nth-child(3) b {
	text-shadow: var(--gameover-scorebox-third-value-shadow);
}

#gameOverOverlay .button-row {
	max-width: 980px;
	margin: 28px auto 0;
	gap: 12px;
}

#gameOverOverlay .button-row a { text-decoration: none; }

#gameOverOverlay .button-row button {
	min-width: 166px;
	min-height: 52px;
	border-radius: 14px;
	border-color: var(--gameover-action-button-border);
	background: var(--gameover-action-button-bg);
	box-shadow: var(--gameover-action-button-shadow);
}

#retryButton {
	border-color: var(--gameover-retry-border) !important;
	background: var(--gameover-retry-bg) !important;
	box-shadow: var(--gameover-retry-shadow) !important;
}

#gameOverOverlay .button-row button:hover,
#gameOverOverlay .button-row button:focus-visible {
	border-color: var(--gameover-action-button-hover-border);
	background: var(--gameover-action-button-hover-bg);
	transform: translateY(-3px) scale(1.02);
}

@media (pointer: coarse) {
	#runSummary { display: none; }
	.keycap { display: none !important; }
}

@media (orientation: portrait) and (max-width: 820px) {
	.overlay { place-items: center; scrollbar-width: none; }
	.overlay::-webkit-scrollbar { display: none; }
	.panel {
		width: min(460px, 100%);
		padding: clamp(14px, 4vw, 20px);
		border-radius: 22px;
	}
	#modeOverlay .legend { display: none; }
	h1 {
		font-size: clamp(2.65rem, 17vw, 4.9rem);
		line-height: 0.86;
	}
	h2 { font-size: clamp(2rem, 12vw, 3.3rem); }
	.subtitle {
		margin-top: 12px;
		font-size: clamp(0.88rem, 3.6vw, 1rem);
		line-height: 1.35;
	}
	.button-row, .mode-grid, .legend {
		margin-top: 18px;
		gap: 9px;
	}
	#modeOverlay {
		place-items: center;
		overflow: hidden;
	}
	#modeOverlay .panel {
		width: min(430px, 100%);
		max-height: calc(100dvh - 18px);
		display: grid;
		grid-template-rows: auto auto minmax(0, 1fr) auto;
		align-items: center;
		gap: clamp(8px, 1.4dvh, 14px);
		overflow: hidden;
		padding-top: 56px;
	}
	#modeOverlay h2 {
		font-size: clamp(1.75rem, 9.4vw, 3rem);
		line-height: 0.92;
	}
	#modeOverlay .subtitle {
		max-width: 360px;
		margin-top: 0;
		font-size: clamp(0.78rem, 3.1vw, 0.94rem);
		line-height: 1.25;
	}
	#modeOverlay .mode-grid {
		align-self: center;
		justify-self: center;
		align-content: center;
		justify-items: center;
		width: min(370px, 100%);
		margin-top: 0;
		gap: clamp(7px, 1.15dvh, 10px);
	}
	#modeOverlay .mode-card {
		width: 100%;
		min-height: clamp(86px, 13.5dvh, 122px);
		display: flex;
		flex-direction: column;
		justify-content: center;
		padding: clamp(10px, 2.4vw, 14px);
		text-align: center;
	}
	#modeOverlay .mode-card .tag {
		align-self: center;
		margin-bottom: 6px;
	}
	#modeOverlay .mode-card strong {
		font-size: clamp(0.98rem, 4vw, 1.15rem);
	}
	#modeOverlay .mode-card em,
	#modeOverlay .mode-card span {
		margin-top: 5px;
		font-size: clamp(0.72rem, 2.9vw, 0.84rem);
		line-height: 1.22;
	}
	#modeOverlay .button-row {
		margin-top: 0;
	}

	#modeOverlay .icon-corner-button {
		top: 12px;
		left: 12px;
		width: 40px;
		height: 40px;
		border-radius: 12px;
		font-size: 1.15rem;
	}
	button {
		min-height: 46px;
		padding: 12px 16px;
		font-size: 0.96rem;
	}
	.mode-grid {
		grid-template-columns: 1fr;
		width: 100%;
	}
	.mode-card {
		min-height: auto;
		padding: 14px;
		border-radius: 17px;
	}
	.mode-card .tag {
		margin-bottom: 8px;
		font-size: 0.62rem;
	}
	.mode-card strong { font-size: 1.08rem; }
	.mode-card em, .mode-card span {
		margin-top: 6px;
		font-size: 0.84rem;
		line-height: 1.3;
	}
	.keycap, .legend-item {
		min-height: 25px;
		padding: 0 8px;
		font-size: 0.74rem;
	}
	#startOverlay .legend, #modeOverlay .legend {
		max-height: 108px;
		overflow-y: auto;
	}
	#startOverlay .start-overlay-footer {
		display: contents;
	}
	html:not(.installed-web-app) #startOverlay #installAppButton.subtle-install-button:not([hidden]) {
		position: fixed !important;
		right: max(14px, env(safe-area-inset-right)) !important;
		bottom: max(88px, calc(env(safe-area-inset-bottom) + 18px)) !important;
		z-index: 24 !important;
		width: 54px !important;
		height: 54px !important;
		min-height: 0 !important;
		padding: 0 !important;
		border-radius: 18px !important;
		border-color: var(--floating-install-border) !important;
		background: var(--floating-install-bg) !important;
		box-shadow: var(--floating-install-shadow) !important;
		display: grid !important;
		place-items: center !important;
		font-size: 0 !important;
		color: transparent !important;
	}
	html:not(.installed-web-app) #startOverlay #installAppButton.subtle-install-button:not([hidden])::before {
		content: '⌂';
		color: var(--floating-install-icon);
		font-size: 1.5rem;
		line-height: 1;
		text-shadow: var(--floating-install-icon-shadow);
	}
	#startOverlay #installAppNote {
		display: none !important;
	}
	.scoreline {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 8px;
		margin-top: 16px;
	}
	#gameOverOverlay h2 { font-size: clamp(2.3rem, 14vw, 4rem); }
	#gameOverReason { border-radius: 16px; padding: 9px 12px; }
	#gameOverOverlay .scoreline { grid-template-columns: 1fr; }
	#gameOverOverlay .scorebox { min-height: 88px; padding: 14px; }
	.scorebox { padding: 11px; border-radius: 15px; }
	.scorebox b { font-size: 1.55rem; }
	.results-panel { margin-top: 16px; }
	.results-hero, .results-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 8px;
	}
	.result-card {
		min-height: 58px;
		padding: 9px 10px;
		border-radius: 14px;
		gap: 8px;
	}
	.result-icon {
		width: 32px;
		height: 32px;
		border-radius: 11px;
		font-size: 1.02rem;
	}
	.result-label { font-size: 0.56rem; }
	.result-value { font-size: 0.94rem; }
	.result-note { font-size: 0.66rem; }
	#gameOverOverlay .button-row {
		display: grid;
		grid-template-columns: 1fr;
	}
	#gameOverOverlay .button-row button,
	#gameOverOverlay .button-row a,
	#gameOverOverlay #homeButton { width: 100%; min-width: 0; }
}

@media (max-width: 420px) {
	.panel { padding: 15px; }
	h1 { font-size: clamp(2.35rem, 16vw, 4.1rem); }
	.subtitle { font-size: 0.84rem; }
	.legend { gap: 6px; }
	.results-hero, .results-grid { grid-template-columns: 1fr; }
	.scoreline { grid-template-columns: 1fr; }
	.result-card { min-height: 54px; }
}

@media (max-height: 700px) and (orientation: portrait) {
	.panel { padding: 13px; }
	h1 { font-size: clamp(2.2rem, 14.5vw, 3.8rem); }
	h2 { font-size: clamp(1.85rem, 10vw, 2.8rem); }
	.subtitle { margin-top: 9px; }
	.button-row, .mode-grid, .legend { margin-top: 13px; }
	#modeOverlay .legend, #startOverlay .legend { display: none; }
	.results-panel { margin-top: 12px; }
	.result-note { display: none; }
	#modeOverlay .panel {
		padding: 12px 14px;
		gap: 7px;
	}
	#modeOverlay h2 {
		font-size: clamp(1.55rem, 8.5vw, 2.35rem);
	}
	#modeOverlay .subtitle {
		font-size: clamp(0.7rem, 2.8vw, 0.82rem);
		line-height: 1.18;
	}
	#modeOverlay .mode-grid {
		gap: 6px;
	}
	#modeOverlay .mode-card {
		min-height: clamp(72px, 12.2dvh, 96px);
		padding: 9px 11px;
		border-radius: 14px;
	}
	#modeOverlay .mode-card .tag {
		margin-bottom: 4px;
		padding: 3px 7px;
		font-size: 0.54rem;
	}
	#modeOverlay .mode-card strong {
		font-size: clamp(0.88rem, 3.6vw, 1rem);
	}
	#modeOverlay .mode-card em,
	#modeOverlay .mode-card span {
		margin-top: 3px;
		font-size: clamp(0.64rem, 2.55vw, 0.74rem);
		line-height: 1.15;
	}
	#modeOverlay .button-row button {
		min-height: 38px;
		padding: 8px 14px;
		font-size: 0.82rem;
	}
}

@media (orientation: landscape) and (max-height: 520px) {
	.overlay {
		align-items: center;
		justify-items: center;
		overflow-x: hidden;
	}
	.panel {
		width: min(940px, 100%);
		max-width: 100%;
		padding: 14px 18px;
		border-radius: 18px;
		overflow-x: hidden;
	}
	h1 { font-size: clamp(2.2rem, 8vw, 4.2rem); }
	h2 { font-size: clamp(1.9rem, 6vw, 3.1rem); }
	.subtitle { margin-top: 8px; font-size: 0.86rem; }
	.button-row, .mode-grid, .legend { margin-top: 12px; }
	.mode-card { min-height: 128px; padding: 12px; }
	.legend { max-height: 66px; overflow-y: auto; }
	.results-hero { grid-template-columns: repeat(4, minmax(0, 1fr)); }
	.results-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
	.result-card { min-height: 54px; padding: 8px; }
	.result-icon { width: 30px; height: 30px; font-size: 0.95rem; }
	.result-note { display: none; }

	/* Start screen: keep centered and prevent side-scroll in short landscape. */
	#startOverlay {
		align-items: center;
		justify-items: center;
	}

	#startOverlay .start-overlay-stack {
		gap: 10px;
	}

	#startOverlay .panel {
		max-height: calc(100dvh - 12px);
		overflow: hidden;
		padding: 10px 12px;
		border-radius: 14px;
		display: grid;
		grid-template-rows: auto auto auto;
		gap: 8px;
	}

	#startOverlay h1 {
		font-size: clamp(1.9rem, 6vw, 3rem);
		line-height: 0.9;
	}

	#startOverlay .subtitle {
		margin-top: 2px;
		font-size: 0.74rem;
		line-height: 1.2;
	}

	#startOverlay .button-row {
		margin-top: 4px;
	}

	#startOverlay .button-row button {
		min-height: 34px;
		padding: 8px 14px;
		font-size: 0.8rem;
	}

	#startOverlay .legend {
		display: none;
	}

	#startOverlay .subtle-install-button {
		min-height: 32px;
		padding: 7px 13px;
		font-size: 0.76rem;
	}

	#startOverlay .install-note {
		margin-top: 6px;
		font-size: 0.72rem;
		line-height: 1.25;
	}

	/* Keep mode select fully visible on short landscape mobile screens. */
	#modeOverlay {
		overflow: hidden;
		align-items: center;
		justify-items: center;
	}

	#modeOverlay .panel {
		max-height: calc(100dvh - 12px);
		overflow: hidden;
		padding: 10px 12px;
		padding-top: 52px;
		border-radius: 14px;
		display: grid;
		grid-template-rows: auto auto 1fr auto;
		gap: 8px;
	}

	#modeOverlay h2 {
		font-size: clamp(1.38rem, 4.4vw, 1.95rem);
		line-height: 1;
	}

	#modeOverlay .subtitle {
		margin-top: 2px;
		font-size: 0.82rem;
		line-height: 1.24;
	}

	#modeOverlay .mode-grid {
		margin-top: 6px;
		gap: 7px;
		align-content: start;
	}

	#modeOverlay .mode-card {
		width: 100%;
		max-width: 100%;
		min-height: 0;
		padding: 8px;
		border-radius: 12px;
	}

	#modeOverlay .mode-card .tag {
		margin-bottom: 5px;
		font-size: 0.64rem;
		padding: 3px 6px;
	}

	#modeOverlay .mode-card strong {
		font-size: 1.06rem;
		line-height: 1.15;
	}

	#modeOverlay .mode-card em,
	#modeOverlay .mode-card span {
		margin-top: 4px;
		font-size: 0.78rem;
		line-height: 1.24;
	}

	#modeOverlay .icon-corner-button {
		top: 10px;
		left: 10px;
		width: 38px;
		height: 38px;
		border-radius: 12px;
		font-size: 1.1rem;
	}

	#modeOverlay .keycap {
		min-height: 20px;
		padding: 0 6px;
		font-size: 0.66rem;
	}

	#modeOverlay .legend {
		display: none;
	}

	#modeOverlay .button-row {
		margin-top: 4px;
	}

	#modeOverlay .button-row button {
		min-height: 34px;
		padding: 8px 14px;
		font-size: 0.8rem;
	}

	#modeOverlay .mode-grid {
		align-items: stretch;
	}

	#modeOverlay .mode-card {
		text-align: left;
	}

	#modeOverlay .mode-card .tag {
		align-self: flex-start;
	}

	/* Game over screen: scrollable in landscape, no scrollbar, no side-scroll. */
	#gameOverOverlay {
		overflow-x: hidden;
		overflow-y: auto;
		scrollbar-width: none;
		align-items: start;
	}

	#gameOverOverlay::-webkit-scrollbar { display: none; }

	#gameOverOverlay .panel {
		width: min(940px, 100%);
		max-width: 100%;
		overflow-x: hidden;
		overflow-y: visible;
		scrollbar-width: none;
		padding: 8px 12px;
		border-radius: 14px;
		display: grid;
		grid-template-rows: auto auto auto auto auto;
		gap: 4px;
	}

	#gameOverOverlay .panel::-webkit-scrollbar { display: none; }

	#gameOverOverlay h2 {
		font-size: clamp(1.1rem, 3.5vw, 1.5rem);
		line-height: 1;
		margin: 0;
	}

	#gameOverOverlay .subtitle {
		margin-top: 1px;
		font-size: 0.7rem;
		line-height: 1.15;
	}

	#gameOverOverlay .scoreline {
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
		gap: 6px;
		margin-top: 3px;
		max-width: 100%;
	}

	#gameOverOverlay .scorebox {
		flex: 1 1 calc(33.333% - 5px);
		min-width: 90px;
		padding: 6px 8px;
		border-radius: 10px;
	}

	#gameOverOverlay .scorebox .label {
		font-size: 0.65rem;
		display: block;
		margin-bottom: 2px;
		opacity: 0.75;
	}

	#gameOverOverlay .scorebox b {
		font-size: 1.2rem;
		display: block;
	}

	#gameOverOverlay .results-panel { margin-top: 4px; }

	#gameOverOverlay .results-hero,
	#gameOverOverlay .results-grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: 4px;
	}

	#gameOverOverlay .result-card {
		min-height: 42px;
		padding: 5px 6px;
		border-radius: 10px;
		font-size: 0.9rem;
	}

	#gameOverOverlay .result-icon {
		width: 24px;
		height: 24px;
		font-size: 0.8rem;
	}

	#gameOverOverlay .button-row {
		margin-top: 4px;
		gap: 6px;
	}

	#gameOverOverlay .button-row button {
		min-height: 30px;
		padding: 6px 10px;
		font-size: 0.75rem;
	}

	#runSummary { display: none; }
}

@media (orientation: landscape) and (max-height: 780px) {
	#modeOverlay {
		align-items: center;
		justify-items: center;
		overflow: hidden;
	}

	#modeOverlay.active ~ #lbIconBtn,
	body:has(#modeOverlay.active) #lbIconBtn {
		top: auto;
		bottom: max(12px, env(safe-area-inset-bottom));
		right: max(12px, env(safe-area-inset-right));
	}

	#modeOverlay .panel {
		width: min(1040px, calc(100vw - 24px));
		max-height: calc(100dvh - 16px);
		padding: clamp(14px, 2.4vh, 22px) clamp(16px, 2.6vw, 28px);
		padding-top: clamp(18px, 3vh, 22px);
		border-radius: 20px;
		display: grid;
		grid-template-rows: auto auto auto minmax(0, 1fr);
		gap: clamp(8px, 1.4vh, 12px);
		overflow: hidden;
	}

	#modeOverlay .panel::before,
	#modeOverlay .panel::after {
		content: '';
		position: absolute;
		inset: 8px;
		border-radius: 16px;
		pointer-events: none;
	}

	#modeOverlay .panel::before {
		background: var(--mode-overlay-panel-before);
		opacity: 0.9;
	}

	#modeOverlay .panel::after {
		border: 1px solid var(--mode-overlay-panel-after-border);
	}

	#modeOverlay h2 {
		font-size: clamp(2.15rem, 7.4vh, 3.5rem);
		line-height: 0.86;
	}

	#modeOverlay .subtitle {
		max-width: 760px;
		margin-top: 0;
		font-size: clamp(1rem, 2.45vh, 1.16rem);
		line-height: 1.28;
	}

	#modeOverlay .mode-grid {
		display: grid;
		grid-template-columns: repeat(3, minmax(0, 1fr));
		align-self: start;
		align-items: stretch;
		width: 100%;
		min-height: 0;
		margin-top: 0;
		gap: clamp(7px, 1.4vw, 12px);
	}

	#modeOverlay .mode-card {
		width: 100%;
		min-height: clamp(102px, 27vh, 156px);
		padding: clamp(10px, 2.1vh, 15px) clamp(10px, 1.3vw, 14px);
		border-radius: 18px;
		border-color: var(--mode-overlay-card-border);
		background: var(--mode-overlay-card-bg);
		box-shadow: var(--mode-overlay-card-shadow);
		position: relative;
	}

	#modeOverlay .mode-card::before {
		content: '';
		position: absolute;
		inset: 6px;
		border-radius: 13px;
		border: 1px solid var(--mode-overlay-card-inner-border);
		pointer-events: none;
	}

	#modeOverlay .mode-card:hover,
	#modeOverlay .mode-card:focus-visible {
		transform: translateY(-2px);
	}

	#modeOverlay .mode-card .tag {
		margin-bottom: 8px;
		padding: 4px 8px;
		font-size: clamp(0.76rem, 1.95vh, 0.88rem);
		letter-spacing: 0.1em;
		background: var(--mode-overlay-tag-bg);
	}

	#modeOverlay .mode-card strong {
		font-size: clamp(1.28rem, 3.35vh, 1.56rem);
		line-height: 1.04;
	}

	#modeOverlay .mode-card em,
	#modeOverlay .mode-card span {
		margin-top: 7px;
		font-size: clamp(0.9rem, 2.15vh, 1rem);
		line-height: 1.26;
	}

	#modeOverlay .keycap {
		min-height: 20px;
		padding: 0 6px;
		font-size: 0.64rem;
	}

	#modeOverlay .legend {
		display: none;
	}

	#modeOverlay .button-row {
		margin-top: 0;
		gap: 8px;
	}

	#modeOverlay .button-row button {
		min-height: clamp(34px, 7vh, 42px);
		padding: 7px 14px;
		font-size: clamp(0.78rem, 2.05vh, 0.92rem);
	}

	#modeOverlay .icon-corner-button {
		position: fixed;
		top: max(12px, env(safe-area-inset-top));
		left: max(12px, env(safe-area-inset-left));
		width: clamp(42px, 6.2vh, 50px);
		height: clamp(42px, 6.2vh, 50px);
		border-radius: 12px;
		font-size: clamp(1.12rem, 2.9vh, 1.38rem);
		z-index: 21;
	}
}

@media (orientation: landscape) and (max-height: 520px) {
	#modeOverlay {
		padding: max(6px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
		place-items: center;
		overflow: hidden;
	}

	#modeOverlay .panel {
		width: min(980px, calc(100vw - 16px));
		max-height: calc(100dvh - 12px);
		padding: 10px 12px;
		padding-top: 12px;
		border-radius: 16px;
		grid-template-rows: auto auto auto minmax(0, 1fr);
		gap: 6px;
	}

	#modeOverlay h2 {
		font-size: clamp(1.42rem, 6.1vh, 2.05rem);
		line-height: 0.9;
	}

	#modeOverlay .subtitle {
		display: block;
		max-width: 680px;
		font-size: clamp(0.78rem, 2.45vh, 0.92rem);
		line-height: 1.18;
	}

	#modeOverlay .mode-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
		align-self: start;
		align-items: stretch;
		min-height: 0;
		gap: 6px;
	}

	#modeOverlay .mode-card {
		min-height: 0;
		height: clamp(92px, 48vh, 140px);
		padding: 9px 10px;
		border-radius: 14px;
		overflow: hidden;
		border-color: var(--mode-overlay-card-border);
		background: var(--mode-overlay-card-bg);
		box-shadow: var(--mode-overlay-card-shadow);
	}

	#modeOverlay .mode-card .tag {
		margin-bottom: 5px;
		padding: 3px 7px;
		font-size: 0.62rem;
		line-height: 1.1;
	}

	#modeOverlay .mode-card strong {
		font-size: clamp(1rem, 3.7vh, 1.16rem);
		line-height: 1;
	}

	#modeOverlay .keycap {
		display: none !important;
	}

	#modeOverlay .mode-card em,
	#modeOverlay .mode-card span {
		display: -webkit-box;
		-webkit-box-orient: vertical;
		-webkit-line-clamp: 2;
		line-clamp: 2;
		overflow: hidden;
		margin-top: 4px;
		font-size: clamp(0.72rem, 2.55vh, 0.84rem);
		line-height: 1.16;
	}

	#modeOverlay .button-row {
		margin-top: 0;
		gap: 6px;
	}

	#modeOverlay .button-row button {
		min-height: 30px;
		padding: 5px 12px;
		border-radius: 999px;
		font-size: 0.74rem;
	}

	#modeOverlay .icon-corner-button {
		position: fixed;
		top: max(10px, env(safe-area-inset-top));
		left: max(10px, env(safe-area-inset-left));
		width: 38px;
		height: 38px;
		border-radius: 12px;
		font-size: 1.1rem;
		z-index: 21;
	}
}

@media (orientation: landscape) and (max-height: 780px) {
	#gameOverOverlay {
		align-items: center;
		overflow: hidden;
	}

	#gameOverOverlay .panel {
		width: min(1040px, calc(100vw - 24px));
		max-height: calc(100dvh - 18px);
		padding: clamp(14px, 2.2vh, 22px) clamp(16px, 2.5vw, 28px);
		border-radius: 20px;
		display: grid;
		grid-template-rows: auto auto auto auto minmax(0, 1fr);
		gap: clamp(6px, 1.1vh, 10px);
		overflow-x: hidden;
		overflow-y: auto;
		scrollbar-width: none;
	}

	#gameOverOverlay .panel::-webkit-scrollbar { display: none; }

	#gameOverOverlay .panel::before,
	#gameOverOverlay .panel::after {
		inset: 8px;
		border-radius: 15px;
	}

	#gameOverOverlay h2 {
		font-size: clamp(2.1rem, 7.2vh, 4rem);
		line-height: 0.86;
	}

	#gameOverReason {
		margin-top: 0;
		padding: 6px 14px;
		font-size: clamp(0.72rem, 1.8vh, 0.9rem);
		line-height: 1.15;
	}

	#gameOverOverlay .scoreline {
		gap: 8px;
		margin-top: 4px;
	}

	#gameOverOverlay .scorebox {
		min-height: clamp(66px, 15vh, 92px);
		padding: 10px 12px;
		border-radius: 16px;
	}

	#gameOverOverlay .scorebox::before {
		inset: 6px;
		border-radius: 11px;
	}

	#gameOverOverlay .scorebox .label {
		font-size: clamp(0.58rem, 1.55vh, 0.76rem);
		letter-spacing: 0.13em;
	}

	#gameOverOverlay .scorebox b {
		margin-top: 5px;
		font-size: clamp(1.85rem, 7vh, 3rem);
	}

	#gameOverOverlay .button-row {
		width: 100%;
		margin-top: 6px;
		gap: 8px;
		display: flex;
		flex-wrap: wrap;
	}

	#gameOverOverlay .button-row button {
		min-width: 168px;
		min-height: clamp(42px, 8.4vh, 56px);
		padding: 10px 16px;
		border-radius: 12px;
		font-size: clamp(0.92rem, 2.6vh, 1.08rem);
	}

	#gameOverOverlay .results-panel {
		width: 100%;
		margin: 4px auto 0;
	}

	#gameOverOverlay .results-hero {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: clamp(6px, 1vh, 10px);
	}

	#gameOverOverlay .results-grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: clamp(6px, 1vh, 10px);
	}

	#gameOverOverlay .result-card {
		min-height: clamp(60px, 9vh, 78px);
		padding: clamp(8px, 1.1vh, 12px) clamp(8px, 0.9vw, 12px);
		border-radius: 14px;
		align-items: center;
	}

	#gameOverOverlay .result-icon {
		width: 30px;
		height: 30px;
		font-size: 0.9rem;
	}

	#gameOverOverlay .result-label {
		font-size: clamp(0.58rem, 1.35vh, 0.72rem);
	}

	#gameOverOverlay .result-value {
		font-size: clamp(0.92rem, 2.2vh, 1.2rem);
	}

	#gameOverOverlay .result-note {
		display: block;
		font-size: clamp(0.62rem, 1.25vh, 0.72rem);
	}
}

/* Final landscape mobile guard: keep modal chrome inside the visible viewport. */
@media (orientation: landscape) and (max-height: 780px), (orientation: landscape) and (max-width: 980px) {
	#modeOverlay,
	#gameOverOverlay {
		width: 100vw;
		max-width: 100vw;
		padding-left: max(8px, env(safe-area-inset-left));
		padding-right: max(8px, env(safe-area-inset-right));
		overflow-x: hidden;
	}

	#modeOverlay .panel,
	#gameOverOverlay .panel {
		width: 100%;
		max-width: calc(100vw - max(16px, env(safe-area-inset-left)) - max(16px, env(safe-area-inset-right)));
		min-width: 0;
		margin-inline: auto;
		overflow-x: hidden;
	}

	#modeOverlay .mode-grid,
	#gameOverOverlay .scoreline,
	#gameOverOverlay .button-row {
		width: 100%;
		max-width: 100%;
		min-width: 0;
	}

	#modeOverlay .mode-card,
	#gameOverOverlay .scorebox,
	#gameOverOverlay .button-row button,
	#gameOverOverlay .button-row a {
		min-width: 0;
		max-width: 100%;
	}

	#gameOverOverlay #homeButton {
		min-width: 0;
	}
}

@media (orientation: landscape) and (max-width: 980px) {
	#modeOverlay .panel {
		padding-inline: clamp(8px, 2vw, 14px);
	}

	#modeOverlay .mode-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	#modeOverlay .mode-card {
		padding-inline: clamp(7px, 1.6vw, 10px);
	}

	#modeOverlay .mode-card .tag {
		max-width: 100%;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
		letter-spacing: 0.06em;
	}

	body:has(#modeOverlay.active) #lbIconBtn {
		top: auto;
		bottom: max(12px, env(safe-area-inset-bottom));
		right: max(12px, env(safe-area-inset-right));
	}

	#gameOverOverlay .button-row {
		display: grid;
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: 6px;
	}

	#gameOverOverlay .button-row button {
		width: 100%;
		padding-inline: 6px;
		white-space: normal;
		line-height: 1.1;
	}
}

@media (orientation: portrait) and (max-width: 820px) {
	#modeOverlay .panel {
		position: relative;
	}

	#modeOverlay .panel::before,
	#modeOverlay .panel::after {
		content: '';
		position: absolute;
		inset: 8px;
		border-radius: 16px;
		pointer-events: none;
	}

	#modeOverlay .panel::before {
		background: var(--mode-overlay-panel-before);
		opacity: 0.88;
	}

	#modeOverlay .panel::after {
		border: 1px solid var(--mode-overlay-panel-after-border);
	}

	#modeOverlay .mode-card {
		position: relative;
		border-color: var(--mode-overlay-card-border);
		background: var(--mode-overlay-card-bg);
		box-shadow: var(--mode-overlay-card-shadow);
	}

	#modeOverlay .mode-card::before {
		content: '';
		position: absolute;
		inset: 6px;
		border-radius: 12px;
		border: 1px solid var(--mode-overlay-card-inner-border);
		pointer-events: none;
	}

	#modeOverlay .mode-card .tag {
		background: var(--mode-overlay-tag-bg);
	}
}

@media (orientation: landscape) and (max-width: 760px) {
	#modeOverlay .mode-grid,
	#gameOverOverlay .scoreline {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	#gameOverOverlay .button-row {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (orientation: landscape) and (max-height: 780px) {
	#gameOverOverlay {
		place-items: center;
		padding-inline: max(8px, env(safe-area-inset-left)) max(8px, env(safe-area-inset-right));
	}

	#gameOverOverlay .panel {
		width: calc(100vw - max(16px, env(safe-area-inset-left)) - max(16px, env(safe-area-inset-right))) !important;
		max-width: calc(100vw - max(16px, env(safe-area-inset-left)) - max(16px, env(safe-area-inset-right))) !important;
		padding-inline: clamp(10px, 1.6vw, 18px);
	}

	#gameOverOverlay .panel > * {
		min-width: 0;
		max-width: 100%;
	}

	#gameOverOverlay .button-row {
		display: grid;
		grid-template-columns: repeat(4, minmax(0, 1fr));
		width: 100%;
		max-width: 100%;
		gap: clamp(5px, 0.8vw, 8px);
	}

	#gameOverOverlay .button-row a {
		display: block;
		min-width: 0;
		max-width: 100%;
	}

	#gameOverOverlay .button-row button,
	#gameOverOverlay #homeButton {
		width: 100%;
		min-width: 0 !important;
		max-width: 100%;
		padding-inline: clamp(4px, 0.9vw, 10px);
		white-space: normal;
		overflow-wrap: anywhere;
		line-height: 1.05;
	}
}

@media (orientation: landscape) and (max-height: 520px) {
	#gameOverOverlay .button-row {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	#gameOverOverlay .button-row button,
	#gameOverOverlay #homeButton {
		min-height: 30px;
		font-size: clamp(0.62rem, 2.2vh, 0.75rem);
	}
}

/* Final UI alignment pass for Select Mode and Game Over. */
#modeOverlay {
	position: fixed;
}

#modeOverlay .panel {
	position: relative;
	border-color: var(--mode-overlay-shell-border);
	background: var(--mode-overlay-shell-bg);
	box-shadow: var(--mode-overlay-shell-shadow);
}

#modeOverlay .panel::before,
#modeOverlay .panel::after {
	content: '';
	position: absolute;
	inset: 12px;
	z-index: 0;
	border-radius: 22px;
	pointer-events: none;
}

#modeOverlay .panel::before {
	border: 1px solid var(--mode-overlay-shell-inner-border);
	box-shadow: var(--mode-overlay-shell-inner-shadow);
}

#modeOverlay .panel::after {
	background: var(--mode-overlay-shell-scanlines);
	opacity: 0.9;
}

#modeOverlay .panel > * {
	position: relative;
	z-index: 1;
}

#modeOverlay h2 {
	color: var(--mode-overlay-title);
	text-shadow: var(--mode-overlay-title-shadow);
}

#modeOverlay .subtitle {
	width: fit-content;
	max-width: min(980px, 100%);
	margin-inline: auto;
	padding: 10px 18px;
	border-radius: 999px;
	border: 1px solid var(--mode-overlay-subtitle-border);
	background: var(--mode-overlay-subtitle-bg);
	color: var(--mode-overlay-subtitle-text);
	backdrop-filter: blur(10px);
}

#modeOverlay .mode-grid {
	align-items: stretch;
}

#modeOverlay .mode-card {
	display: flex;
	flex-direction: column;
	justify-content: flex-start;
}

#modeOverlay .mode-card strong {
	color: var(--mode-overlay-card-strong);
}

#modeOverlay .mode-card em,
#modeOverlay .mode-card span {
	color: var(--mode-overlay-card-copy);
}

#modeOverlay > .icon-corner-button {
	position: fixed;
	top: max(18px, env(safe-area-inset-top));
	left: max(18px, env(safe-area-inset-left));
	z-index: 30;
}

#gameOverOverlay .button-row {
	display: flex !important;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	width: min(980px, 100%);
	max-width: min(980px, 100%);
	margin: 28px auto 0;
	gap: 12px;
}

#gameOverOverlay .button-row button,
#gameOverOverlay .button-row a {
	flex: 1 1 220px;
	max-width: 340px;
}

#gameOverOverlay .button-row button {
	width: 100%;
}

@media (orientation: landscape) and (max-height: 780px) {
	#modeOverlay > .icon-corner-button {
		top: max(14px, env(safe-area-inset-top));
		left: max(14px, env(safe-area-inset-left));
	}

	#modeOverlay .subtitle {
		padding: 8px 16px;
	}

	#gameOverOverlay .button-row {
		margin-top: 14px;
		gap: 10px;
	}

	#gameOverOverlay .button-row button,
	#gameOverOverlay .button-row a {
		flex-basis: 180px;
		max-width: 300px;
	}
}

@media (orientation: landscape) and (max-height: 520px) {
	#modeOverlay .subtitle {
		padding: 7px 14px;
		font-size: clamp(0.72rem, 2.1vh, 0.84rem);
	}

	#modeOverlay > .icon-corner-button {
		top: max(10px, env(safe-area-inset-top));
		left: max(10px, env(safe-area-inset-left));
	}

	#gameOverOverlay .button-row {
		gap: 8px;
	}

	#gameOverOverlay .button-row button,
	#gameOverOverlay .button-row a {
		flex-basis: 160px;
		max-width: 260px;
	}
}