/*
 * Kuben — Broadsheet-derived stylesheet.
 * Tokens follow the Broadsheet design system (newsprint serif, process inks);
 * themes override the token layer, finishes override the sticker layer.
 */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,wght@0,400;0,600;1,400&display=swap');

:root {
	--color-bg: #f3f2f2;
	--color-surface: #eae9e9;
	--color-text: #201e1d;
	--color-accent: #0088b0;
	--color-accent-strong: #006786;
	--color-accent-2: #d6006c;
	--color-process-yellow: #edbb00;
	--color-divider: color-mix(in srgb, var(--color-text) 16%, transparent);
	--color-track: color-mix(in srgb, var(--color-text) 10%, transparent);

	--font-heading: 'Source Serif 4', system-ui, sans-serif;
	--font-heading-weight: 600;
	--font-body: 'Source Serif 4', system-ui, sans-serif;

	--space-1: 5px;
	--space-2: 10px;
	--space-3: 15px;
	--space-4: 20px;
	--space-6: 30px;
	--space-8: 40px;

	--radius-sm: 1px;
	--radius-md: 2px;
	--radius-lg: 4px;

	--shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
	--shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
	--shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);

	/* Cube plates — order: +x, -x, +y, -y, +z, -z */
	--cube-0: #0088b0;
	--cube-1: #d6006c;
	--cube-2: #edbb00;
	--cube-3: #f3f2f2;
	--cube-4: #d63a1e;
	--cube-5: #201e1d;
	--cube-shell: #131211;
	--cube-inner-a: #2a2827;
	--cube-inner-b: #131211;
	--cube-shadow: rgba(32, 30, 29, .42);

	/* Blend modes flip on dark themes so ink still shows */
	--fx-blend: multiply;
	--plate-blend: multiply;
}

/* ── Themes ─────────────────────────────────────────────────────────── */

html[data-theme='natt'] {
	--color-bg: #1b1a19;
	--color-surface: #262424;
	--color-text: #f3f2f2;
	--color-accent: #62c5ee;
	--color-accent-strong: #99e0ff;
	--color-accent-2: #ff458e;
	--color-process-yellow: #f2c94c;
	--cube-0: #2ab5e0;
	--cube-1: #ff2e8a;
	--cube-2: #ffd21e;
	--cube-3: #f3f2f2;
	--cube-4: #ff5a3c;
	--cube-5: #454140;
	--cube-shell: #0a0909;
	--cube-inner-a: #1c1a19;
	--cube-inner-b: #0a0909;
	--cube-shadow: rgba(0, 0, 0, .7);
	--fx-blend: screen;
	--plate-blend: screen;
}

html[data-theme='klassisk'] {
	--color-bg: #f5f5f0;
	--color-surface: #eaeae2;
	--color-text: #1a1a1a;
	--color-accent: #0046ad;
	--color-accent-strong: #00337d;
	--color-accent-2: #b71234;
	--color-process-yellow: #ffd500;
	--cube-0: #b71234;
	--cube-1: #ff5800;
	--cube-2: #ffd500;
	--cube-3: #ffffff;
	--cube-4: #009b48;
	--cube-5: #0046ad;
	--cube-shell: #111111;
	--cube-inner-a: #2b2b2b;
	--cube-inner-b: #111111;
}

html[data-theme='neon'] {
	--color-bg: #0b0b12;
	--color-surface: #171722;
	--color-text: #e8e6ff;
	--color-accent: #22d3ee;
	--color-accent-strong: #7ce7f7;
	--color-accent-2: #ff3df5;
	--color-process-yellow: #ffe83d;
	--cube-0: #22d3ee;
	--cube-1: #ff3df5;
	--cube-2: #ffe83d;
	--cube-3: #f2f2f7;
	--cube-4: #ff5c33;
	--cube-5: #8a7dff;
	--cube-shell: #050508;
	--cube-inner-a: #16161f;
	--cube-inner-b: #050508;
	--cube-shadow: rgba(34, 211, 238, .28);
	--fx-blend: screen;
	--plate-blend: screen;
}

html[data-theme='pastell'] {
	--color-bg: #faf4ec;
	--color-surface: #f1e8db;
	--color-text: #4a4440;
	--color-accent: #5f9ea0;
	--color-accent-strong: #3f7476;
	--color-accent-2: #d98aa8;
	--color-process-yellow: #e6c463;
	--cube-0: #8ecae6;
	--cube-1: #f4a7c3;
	--cube-2: #ffe08a;
	--cube-3: #fffaf2;
	--cube-4: #f4a488;
	--cube-5: #5b5652;
	--cube-shell: #3d3936;
	--cube-inner-a: #565150;
	--cube-inner-b: #3d3936;
	--cube-shadow: rgba(74, 68, 64, .3);
}

/* ── Base ───────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { height: 100%; }

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-body);
	font-size: 15px;
	line-height: 1.55;
	overscroll-behavior: none;
	-webkit-tap-highlight-color: transparent;
	user-select: none;
	-webkit-user-select: none;
	transition: background 240ms linear, color 240ms linear;
}

h1, h2, h3, h4 {
	font-family: var(--font-heading);
	font-weight: var(--font-heading-weight);
	line-height: 1.12;
	letter-spacing: -0.015em;
	margin: 0 0 var(--space-2);
}

a { color: var(--color-accent-strong); text-decoration: none; }
a:hover { color: var(--color-accent-2); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

@keyframes spinslow { to { transform: rotate(360deg); } }
@keyframes pulsedot { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }

/* ── Buttons (Broadsheet) ───────────────────────────────────────────── */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	cursor: pointer;
	text-decoration: none;
	font-family: var(--font-heading);
	font-weight: var(--font-heading-weight);
	font-size: 14px;
	line-height: 1.2;
	color: var(--color-text);
	background: transparent;
	border: 1px solid transparent;
	padding: var(--space-2) calc(var(--space-3) * 1.2);
	border-radius: var(--radius-md);
	touch-action: manipulation;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 88%, var(--color-text)); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 76%, var(--color-text)); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent-strong); padding-inline: var(--space-2); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }

.input {
	width: 100%;
	min-height: 44px;
	padding: 6px 10px;
	font: inherit;
	font-size: 16px;
	color: var(--color-text);
	caret-color: var(--color-accent);
	background: var(--color-surface);
	border: 1px solid var(--color-divider);
	border-radius: var(--radius-md);
	user-select: text;
	-webkit-user-select: text;
}
.input::placeholder { color: color-mix(in srgb, var(--color-text) 65%, transparent); opacity: 1; }
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }

/* ── App layout ─────────────────────────────────────────────────────── */

#app {
	display: grid;
	height: 100dvh;
	grid-template:
		'head head' auto
		'panel stage' 1fr
		/ 300px 1fr;
	overflow: hidden;
}

.masthead {
	grid-area: head;
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 10px 28px;
	padding: calc(env(safe-area-inset-top, 0px) + 10px) 24px 10px calc(env(safe-area-inset-left, 0px) + 28px);
	border-top: 8px solid var(--color-text);
	border-bottom: 1.5px solid var(--color-text);
	background: var(--color-bg);
	z-index: 5;
}

.masthead-title { display: flex; flex-direction: column; gap: 2px; }

.kicker {
	font-size: 9.5px;
	letter-spacing: .24em;
	text-transform: uppercase;
	color: var(--color-accent);
}

.masthead h1 {
	margin: 0;
	font-size: clamp(34px, 6vw, 56px);
	line-height: .9;
	letter-spacing: -.035em;
}

.masthead-actions {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	margin-left: auto;
}
.masthead-actions .btn { min-height: 44px; }
.masthead-actions .btn-primary { padding-inline: var(--space-6); font-size: 16px; letter-spacing: .02em; }

/* ── Panel (stats) ──────────────────────────────────────────────────── */

.panel {
	grid-area: panel;
	display: flex;
	flex-direction: column;
	gap: 20px;
	padding: 26px 22px 22px calc(env(safe-area-inset-left, 0px) + 28px);
	overflow: hidden;
	z-index: 4;
}

.stat-label {
	font-size: 9.5px;
	letter-spacing: .22em;
	text-transform: uppercase;
	color: color-mix(in srgb, var(--color-text) 50%, transparent);
}

.stat-row { display: flex; align-items: flex-end; gap: 26px; }

/* Misregistered plate numeral — the moves counter */
.press-num {
	position: relative;
	height: 78px;
	min-width: 110px;
	font-family: var(--font-heading);
	font-size: 78px;
	line-height: 1;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	mix-blend-mode: var(--plate-blend);
}
.press-num span { position: absolute; left: 0; top: 0; }
.press-num .pl-c { color: var(--color-accent); transform: translate(-4px, -3px); }
.press-num .pl-m { color: var(--color-accent-2); transform: translate(4px, 2px); }
.press-num .pl-y { color: var(--color-process-yellow); transform: translate(1px, -4px); }
.press-num .pl-k { color: var(--color-text); }

.stat-timer {
	font-family: var(--font-heading);
	font-size: 30px;
	line-height: 1;
	font-variant-numeric: tabular-nums;
}

.register { display: flex; flex-direction: column; gap: 8px; }
.register-head { display: flex; justify-content: space-between; align-items: baseline; }
.register-pct { font-family: var(--font-heading); font-size: 19px; font-variant-numeric: tabular-nums; }

.register-bar { position: relative; height: 14px; background: var(--color-track); overflow: hidden; }
.register-fill {
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 0;
	background: var(--color-accent);
	transition: width 320ms cubic-bezier(.2, .9, .3, 1);
}
.register-ticks {
	position: absolute;
	inset: 0;
	background-image: repeating-linear-gradient(90deg, color-mix(in srgb, var(--color-text) 25%, transparent) 0 1px, transparent 1px 20px);
}

.streak-row { display: flex; align-items: baseline; gap: 12px; }
.streak-num {
	font-family: var(--font-heading);
	font-size: 30px;
	line-height: 1;
	font-variant-numeric: tabular-nums;
	color: var(--color-accent-strong);
}
.streak-dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: var(--color-accent-2);
	animation: pulsedot 1.6s ease-in-out infinite;
	align-self: center;
}

.ticker-wrap { display: flex; flex-direction: column; gap: 7px; }
.ticker { display: flex; gap: 6px; flex-wrap: wrap; min-height: 30px; }
.ticker span {
	font-family: var(--font-heading);
	font-size: 15px;
	line-height: 1;
	padding: 6px 9px;
	letter-spacing: .02em;
	color: var(--color-text);
	background: var(--color-track);
}
.ticker span:last-child { color: var(--color-bg); background: var(--color-accent-2); }

.panel-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.hint {
	font-size: 12px;
	line-height: 1.5;
	max-width: 25ch;
	color: color-mix(in srgb, var(--color-text) 58%, transparent);
	text-wrap: pretty;
}

.scale-strip { display: flex; height: 16px; width: 214px; max-width: 100%; }
.scale-strip div { flex: 1; }
.scale-caption {
	font-size: 9px;
	letter-spacing: .22em;
	text-transform: uppercase;
	opacity: .42;
}

/* ── Stage ──────────────────────────────────────────────────────────── */

.stage {
	grid-area: stage;
	position: relative;
	overflow: hidden;
	touch-action: none;
	cursor: grab;
}
.stage:active { cursor: grabbing; }

.stage-dots {
	position: absolute;
	right: -40px;
	top: -30px;
	width: 430px;
	height: 350px;
	opacity: .4;
	pointer-events: none;
}
.stage-dots i { position: absolute; inset: 0; }
.stage-dots i:nth-child(1) { background-image: radial-gradient(var(--color-accent) 1.6px, transparent 1.7px); background-size: 11px 11px; }
.stage-dots i:nth-child(2) { background-image: radial-gradient(var(--color-accent-2) 1.5px, transparent 1.6px); background-size: 11px 11px; transform: translate(4px, 3px); }
.stage-dots i:nth-child(3) { background-image: radial-gradient(var(--color-process-yellow) 1.4px, transparent 1.5px); background-size: 11px 11px; transform: translate(-3px, 4px); }
.stage-dots i:nth-child(4) { background: linear-gradient(200deg, transparent 18%, var(--color-bg) 70%); }

.glow {
	position: absolute;
	inset: -25%;
	opacity: 0;
	pointer-events: none;
	mix-blend-mode: var(--fx-blend);
}

.cube-anchor { position: absolute; left: 50%; top: 50%; width: 0; height: 0; }

.cube-scale { position: absolute; left: 0; top: 0; width: 0; height: 0; }

.cube-shadow {
	position: absolute;
	left: 0;
	top: 0;
	width: 430px;
	height: 74px;
	transform: translate(-50%, 188px);
	background: radial-gradient(closest-side, var(--cube-shadow), transparent 78%);
	filter: blur(3px);
	pointer-events: none;
}

.cube-persp { position: absolute; left: 0; top: 0; width: 0; height: 0; perspective: 1500px; }

.scene, .group3d { position: absolute; transform-style: preserve-3d; }

.cubie {
	position: absolute;
	left: 0;
	top: 0;
	width: 104px;
	height: 104px;
	margin: -52px 0 0 -52px;
	transform-style: preserve-3d;
}

.face {
	position: absolute;
	left: 0;
	top: 0;
	width: 104px;
	height: 104px;
	background: var(--cube-shell);
	border-radius: 4px;
}

.sticker { position: absolute; inset: 5px; border-radius: 10px; }
.sticker.blank { background: linear-gradient(150deg, var(--cube-inner-a), var(--cube-inner-b) 60%); }
.sticker.s0 { --cube-color: var(--cube-0); }
.sticker.s1 { --cube-color: var(--cube-1); }
.sticker.s2 { --cube-color: var(--cube-2); }
.sticker.s3 { --cube-color: var(--cube-3); }
.sticker.s4 { --cube-color: var(--cube-4); }
.sticker.s5 { --cube-color: var(--cube-5); }
.sticker:not(.blank) { background-color: var(--cube-color); }

/* Finishes */
html[data-finish='gloss'] .sticker:not(.blank) {
	background-image:
		linear-gradient(152deg, rgba(255, 255, 255, .62) 0%, rgba(255, 255, 255, .12) 34%, rgba(255, 255, 255, 0) 52%, rgba(32, 30, 29, .24) 100%),
		radial-gradient(120% 90% at 18% 12%, rgba(255, 255, 255, .55), rgba(255, 255, 255, 0) 46%);
	box-shadow: inset 0 1.5px 0 rgba(255, 255, 255, .6), inset 0 -3px 8px rgba(32, 30, 29, .22), 0 1px 3px rgba(0, 0, 0, .35);
}
html[data-finish='matt'] .sticker:not(.blank) {
	background-image: linear-gradient(160deg, rgba(255, 255, 255, .10), rgba(0, 0, 0, .06));
	box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .14);
}
html[data-finish='neon'] .sticker:not(.blank) {
	background-image: radial-gradient(80% 80% at 50% 42%, rgba(255, 255, 255, .38), rgba(255, 255, 255, 0) 60%);
	box-shadow:
		0 0 16px var(--cube-color),
		0 0 4px var(--cube-color),
		inset 0 0 12px color-mix(in srgb, #ffffff 30%, transparent);
}
html[data-finish='tryck'] .sticker:not(.blank) {
	box-shadow: inset 0 0 0 1px rgba(32, 30, 29, .18);
}
html[data-finish='tryck'] .sticker:not(.blank)::after {
	content: '';
	position: absolute;
	inset: 0;
	border-radius: inherit;
	background-image: radial-gradient(circle, rgba(20, 18, 17, .30) 30%, transparent 32%);
	background-size: 4px 4px;
}

#fx {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	mix-blend-mode: var(--fx-blend);
}

/* Celebrate */
.celebrate {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 40px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
	pointer-events: none;
}
.celebrate[hidden] { display: none; }
.celebrate-word {
	position: relative;
	height: clamp(64px, 12vw, 112px);
	font-family: var(--font-heading);
	font-size: clamp(64px, 12vw, 112px);
	line-height: 1;
	font-weight: 600;
	letter-spacing: -.04em;
	mix-blend-mode: var(--plate-blend);
}
.celebrate-word span { position: absolute; left: 0; top: 0; }
.celebrate-word .pl-c { color: var(--color-accent); transform: translate(-6px, -4px); }
.celebrate-word .pl-m { color: var(--color-accent-2); transform: translate(5px, 3px); }
.celebrate-word .pl-y { color: var(--color-process-yellow); transform: translate(2px, -5px); }
.celebrate-word .pl-k { position: relative; color: var(--color-text); }
.celebrate-sub {
	font-size: 12px;
	letter-spacing: .22em;
	text-transform: uppercase;
	color: var(--color-accent);
}

/* Press furniture */
.reg-mark {
	position: absolute;
	left: 26px;
	top: 22px;
	width: 34px;
	height: 34px;
	opacity: .6;
	pointer-events: none;
	animation: spinslow 32s linear infinite;
}
.reg-mark i { position: absolute; background: var(--color-text); }
.reg-mark i:nth-child(1) { left: 16px; top: 0; width: 1.5px; height: 34px; }
.reg-mark i:nth-child(2) { top: 16px; left: 0; height: 1.5px; width: 34px; }
.reg-mark i:nth-child(3) {
	left: 6px;
	top: 6px;
	width: 22px;
	height: 22px;
	background: transparent;
	border: 1.5px solid var(--color-accent);
	border-radius: 50%;
}

.plate-chips {
	position: absolute;
	right: 26px;
	bottom: calc(env(safe-area-inset-bottom, 0px) + 24px);
	display: flex;
	gap: 5px;
	align-items: center;
	opacity: .55;
	pointer-events: none;
}
.plate-chips i { width: 11px; height: 11px; }
.plate-chips i:nth-child(1) { background: var(--color-accent); }
.plate-chips i:nth-child(2) { background: var(--color-accent-2); }
.plate-chips i:nth-child(3) { background: var(--color-process-yellow); }
.plate-chips i:nth-child(4) { background: var(--color-text); }
.plate-chips span {
	font-size: 9.5px;
	letter-spacing: .2em;
	text-transform: uppercase;
	margin-left: 6px;
}

.crop { position: absolute; width: 52px; height: 52px; opacity: .35; pointer-events: none; }
.crop-tr { right: 0; top: 0; border-right: 1.5px solid var(--color-text); border-top: 1.5px solid var(--color-text); }
.crop-bl { left: 0; bottom: 0; border-left: 1.5px solid var(--color-text); border-bottom: 1.5px solid var(--color-text); }

/* ── Dialogs ────────────────────────────────────────────────────────── */

dialog {
	width: min(460px, calc(100vw - 32px));
	max-height: calc(100dvh - 48px);
	display: none;
	flex-direction: column;
	gap: var(--space-3);
	padding: var(--space-4);
	border: 0;
	border-top: 6px solid var(--color-text);
	border-radius: var(--radius-lg);
	background: var(--color-surface);
	color: var(--color-text);
	box-shadow: var(--shadow-lg);
	overflow: auto;
}
dialog[open] { display: flex; }
dialog::backdrop { background: color-mix(in srgb, #2d2b2b 50%, transparent); }

.dialog-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 22px; margin: 0; }
.dialog-body { font-size: 14px; opacity: .85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

.section-label {
	font-size: 10px;
	letter-spacing: .18em;
	text-transform: uppercase;
	color: color-mix(in srgb, var(--color-text) 55%, transparent);
	margin-top: var(--space-2);
}

/* Theme picker */
.theme-list { display: flex; flex-direction: column; gap: 8px; }
.theme-option {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 10px 12px;
	border: 1px solid var(--color-divider);
	border-radius: var(--radius-md);
	background: var(--color-bg);
	color: var(--color-text);
	font: inherit;
	cursor: pointer;
	text-align: left;
}
.theme-option:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.theme-option[aria-pressed='true'] { border-color: var(--color-accent); box-shadow: inset 0 0 0 1px var(--color-accent); }
.theme-option .swatches { display: flex; margin-left: auto; }
.theme-option .swatches i { width: 14px; height: 22px; }
.theme-name { font-family: var(--font-heading); font-weight: 600; font-size: 15px; }
.theme-desc { display: block; font-size: 11px; opacity: .6; }

.seg {
	display: inline-flex;
	overflow: hidden;
	border: 1px solid var(--color-divider);
	border-radius: var(--radius-md);
}
.seg-opt {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 9px 14px;
	font-size: 13px;
	cursor: pointer;
}
.seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* Leaderboard table */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
	text-align: left;
	font-size: 11px;
	letter-spacing: .08em;
	text-transform: uppercase;
	color: color-mix(in srgb, var(--color-text) 60%, transparent);
	padding: var(--space-2);
	border-bottom: 1px solid var(--color-divider);
}
.table td {
	padding: var(--space-2);
	border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
	font-variant-numeric: tabular-nums;
}
.table tr.is-you td { color: var(--color-accent-strong); font-weight: 600; }
.board-empty { font-size: 13px; opacity: .6; padding: var(--space-2) 0; }

.field > label {
	display: block;
	font-size: 12px;
	margin-bottom: 5px;
	color: color-mix(in srgb, var(--color-text) 70%, transparent);
}

/* ── Install banner ─────────────────────────────────────────────────── */

.install-banner {
	position: fixed;
	left: 16px;
	right: 16px;
	bottom: calc(env(safe-area-inset-bottom, 0px) + 16px);
	z-index: 30;
	display: flex;
	align-items: center;
	gap: 12px;
	max-width: 560px;
	margin-inline: auto;
	padding: 14px 16px;
	background: var(--color-surface);
	border-top: 4px solid var(--color-text);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-lg);
}
.install-banner[hidden] { display: none; }
.install-text { margin: 0; flex: 1; font-size: 13px; line-height: 1.45; }
.install-banner .btn { flex: none; }

/* ── Responsive: portrait / small screens ───────────────────────────── */

@media (max-width: 820px), (orientation: portrait) and (max-width: 1024px) {
	#app {
		grid-template:
			'head' auto
			'stage' 1fr
			'panel' auto
			/ 1fr;
	}

	.masthead { padding-left: calc(env(safe-area-inset-left, 0px) + 16px); padding-right: 16px; gap: 8px 16px; }
	.masthead-actions { margin-left: 0; width: 100%; }
	.masthead-actions .btn { flex: 0 1 auto; padding-inline: var(--space-3); }
	.masthead-actions .btn-primary { flex: 1 1 auto; }

	.panel {
		flex-direction: row;
		align-items: stretch;
		flex-wrap: wrap;
		gap: 14px 24px;
		padding: 14px 16px calc(env(safe-area-inset-bottom, 0px) + 14px);
		border-top: 1.5px solid var(--color-text);
	}
	.press-num { height: 44px; min-width: 60px; font-size: 44px; }
	.stat-timer { font-size: 24px; }
	.stat-row { gap: 18px; }
	.register { flex: 1 1 160px; justify-content: center; }
	.streak-row { align-items: center; }
	.ticker-wrap { flex-basis: 100%; }
	.ticker { min-height: 0; flex-wrap: nowrap; overflow: hidden; }
	.panel-foot, .stage-dots { display: none; }
	.reg-mark { left: 14px; top: 12px; transform: scale(.8); }
	.celebrate { bottom: 16px; }
}

@media (max-height: 620px) and (orientation: landscape) {
	.masthead { border-top-width: 5px; }
	.masthead h1 { font-size: 30px; }
	.panel { gap: 12px; padding-top: 14px; }
	.press-num { height: 44px; min-width: 60px; font-size: 44px; }
	.panel-foot .scale-strip, .panel-foot .scale-caption { display: none; }
}

@media (prefers-reduced-motion: reduce) {
	.reg-mark { animation: none; }
	.streak-dot { animation: none; opacity: .8; }
}