@property --beat-progress {
	syntax: "<number>";
	inherits: false;
	initial-value: 0;
}

:root {
	/* Brand bases (oklch) — change these to retheme the page */
	--highlight-color: oklch(0.630 0.090 183.7);
	--accent-color: oklch(0.750 0.167 50.5);
	--danger-color: oklch(0.599 0.137 31.5);
	--text-on-light: oklch(0.256 0.013 243.4);

	/* Neutrals derived from text */
	--workspace-bg: color-mix(in oklab, var(--text-on-light) 4%, white);
	--menu-bg: color-mix(in oklab, var(--text-on-light) 6%, white);
	--staff-line-color: color-mix(in oklab, var(--text-on-light) 22%, white);
	--muted-text: color-mix(in oklab, var(--text-on-light) 55%, white);
	--ghost-hover: color-mix(in oklab, var(--text-on-light) 12%, white);
	--surface: #fff;
	--on-highlight: #fff;

	/* Highlight scale via color-mix */
	--highlight-color-hover: color-mix(in oklab, var(--highlight-color) 78%, white);
	--highlight-color-on-white: color-mix(in oklab, var(--highlight-color) 82%, black);
	--highlight-light: color-mix(in oklab, var(--highlight-color) 55%, white);
	--highlight-deep: color-mix(in oklab, var(--highlight-color) 48%, black);
	--highlight-wash: color-mix(in oklab, var(--highlight-color) 14%, transparent);
	--highlight-tint: color-mix(in oklab, var(--highlight-color) 12%, transparent);
	--highlight-soft: color-mix(in oklab, var(--highlight-color) 35%, transparent);
	--highlight-glow: color-mix(in oklab, var(--highlight-color) 22%, transparent);
	--highlight-ring: color-mix(in oklab, var(--highlight-color) 45%, transparent);
	--highlight-fill: color-mix(in oklab, var(--highlight-color) 85%, transparent);
	--highlight-fill-soft: color-mix(in oklab, var(--highlight-color) 42%, transparent);

	/* Warm accent (downbeat / phrase progress) */
	--accent-light: color-mix(in oklab, var(--accent-color) 42%, white);
	--accent-deep: color-mix(in oklab, var(--accent-color) 58%, black);
	--accent-muted: color-mix(in oklab, var(--accent-color) 28%, transparent);
	--accent-glow: color-mix(in oklab, var(--accent-color) 28%, transparent);
	--accent-ring: color-mix(in oklab, var(--accent-color) 25%, transparent);
	--accent-fill: color-mix(in oklab, var(--accent-color) 90%, transparent);
	--accent-fill-soft: color-mix(in oklab, var(--accent-color) 42%, transparent);
	--accent-border: color-mix(in oklab, var(--accent-color) 65%, transparent);
	--accent-border-strong: color-mix(in oklab, var(--accent-color) 88%, black);
	--danger-hover: color-mix(in oklab, var(--danger-color) 86%, black);

	/* Viz panel stays dark in both day and night themes.
	   Do not derive these from --text-on-light (that flips at night). */
	--viz-ink: oklch(0.256 0.013 243.4);
	--viz-muted-ink: oklch(0.500 0.018 235.7);
	--viz-bg: color-mix(in oklab, var(--viz-ink) 82%, black);
	--viz-bg-deep: color-mix(in oklab, var(--viz-ink) 94%, black);
	--viz-fg: oklch(0.93 0.005 240);
	--viz-fg-muted: color-mix(in oklab, var(--viz-fg) 55%, transparent);
	--viz-fg-soft: color-mix(in oklab, var(--viz-fg) 70%, transparent);
	--viz-fg-dim: color-mix(in oklab, var(--viz-fg) 78%, transparent);
	--viz-fg-faint: color-mix(in oklab, var(--viz-fg) 10%, transparent);
	--viz-border: color-mix(in oklab, var(--viz-fg) 22%, transparent);
	--viz-border-strong: color-mix(in oklab, var(--viz-fg) 28%, transparent);
	--viz-surface: color-mix(in oklab, white 8%, transparent);
	--viz-surface-strong: color-mix(in oklab, white 10%, transparent);
	--viz-arm-top: color-mix(in oklab, var(--viz-fg) 72%, var(--viz-muted-ink));
	--viz-arm-bot: color-mix(in oklab, var(--viz-muted-ink) 65%, var(--viz-ink));
	--viz-mute-light: color-mix(in oklab, var(--viz-muted-ink) 55%, white);
	--viz-mute-mid: color-mix(in oklab, var(--viz-muted-ink) 55%, black);
	--viz-mute-deep: color-mix(in oklab, var(--viz-ink) 80%, black);

	--pm-theme-color: #F4F6F7;
	--pm-theme-transition: 420ms ease;
}

/* Evening / night comfort theme — softer page chrome, same brand hues.
   Viz tokens above stay dark so the pendulum keeps contrast. */
html[data-pm-theme="night"] {
	color-scheme: dark;
	--text-on-light: oklch(0.92 0.01 240);
	--workspace-bg: oklch(0.22 0.012 243);
	--menu-bg: oklch(0.27 0.012 243);
	--staff-line-color: oklch(0.38 0.012 240);
	--muted-text: oklch(0.72 0.014 240);
	--ghost-hover: oklch(0.33 0.012 243);
	--surface: oklch(0.28 0.012 243);
	--highlight-color: oklch(0.70 0.09 183.7);
	--accent-color: oklch(0.78 0.155 50.5);
	--danger-color: oklch(0.68 0.13 31.5);
	--highlight-color-hover: color-mix(in oklab, var(--highlight-color) 78%, white);
	--highlight-color-on-white: color-mix(in oklab, var(--highlight-color) 88%, white);
	--highlight-light: color-mix(in oklab, var(--highlight-color) 55%, white);
	--highlight-deep: color-mix(in oklab, var(--highlight-color) 48%, black);
	--highlight-wash: color-mix(in oklab, var(--highlight-color) 18%, transparent);
	--highlight-tint: color-mix(in oklab, var(--highlight-color) 16%, transparent);
	--highlight-soft: color-mix(in oklab, var(--highlight-color) 38%, transparent);
	--accent-light: color-mix(in oklab, var(--accent-color) 42%, white);
	--accent-deep: color-mix(in oklab, var(--accent-color) 58%, black);
	--accent-muted: color-mix(in oklab, var(--accent-color) 32%, transparent);
	/* Slightly deeper viz so it still reads against the dark page. */
	--viz-bg: color-mix(in oklab, var(--viz-ink) 70%, black);
	--viz-bg-deep: color-mix(in oklab, var(--viz-ink) 90%, black);
	--pm-theme-color: #1A1F24;
}

html[data-pm-theme="day"] {
	color-scheme: light;
}

.bb-icon {
	display: inline-block;
	width: 1em;
	height: 1em;
	vertical-align: -0.125em;
	flex-shrink: 0;
}
.bb-icon-stroke {
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

body {
	background:
		radial-gradient(ellipse 80% 50% at 10% -10%, var(--highlight-wash), transparent 55%),
		var(--workspace-bg);
	color: var(--text-on-light);
	font-family: Lato, Arial, sans-serif;
	margin: 0;
	min-height: 100vh;
	min-height: 100dvh;
	transition:
		background-color var(--pm-theme-transition),
		color var(--pm-theme-transition);
}

.pm-card,
.pm-segment,
.pm-preset,
.pm-btn-ghost,
.pm-icon-btn,
.pm-field input:not([type="checkbox"]),
.pm-field select,
.pm-accent-beat,
.pm-share-url {
	transition:
		background-color var(--pm-theme-transition),
		border-color var(--pm-theme-transition),
		color var(--pm-theme-transition);
}

.pm {
	box-sizing: border-box;
	margin: 0 auto;
	padding: 20px clamp(12px, 3vw, 40px) 48px;
	width: 100%;
}

.pm-header {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 10px 12px;
	justify-content: space-between;
	margin-bottom: 16px;
	/* Keep above sticky transport (z-index 40) so the sound menu is visible. */
	position: relative;
	z-index: 50;
}

.pm-header h1 {
	flex: 1 1 auto;
	font-size: clamp(13px, 2.35vw, 26px);
	font-weight: 700;
	line-height: 1.25;
	margin: 0;
	min-width: 0;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	white-space: nowrap;
}

.pm-header h1 .pm-h1-rest {
	color: var(--muted-text);
	font-size: 0.72em;
	font-weight: 400;
}

.pm-header > .pm-header-actions {
	display: flex;
	flex: 0 0 auto;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
}

.pm-menu-wrap {
	position: relative;
	z-index: 1;
}
.pm-menu-wrap.is-open {
	z-index: 2;
}
.pm-sound-native {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
	opacity: 0;
	pointer-events: none;
}
.pm-menu {
	background: var(--surface);
	border: 1px solid var(--staff-line-color);
	border-radius: 8px;
	box-shadow: 0 10px 28px color-mix(in oklab, var(--text-on-light) 18%, transparent);
	box-sizing: border-box;
	list-style: none;
	margin: 0;
	max-height: min(70vh, 420px);
	min-width: 220px;
	overflow: auto;
	padding: 6px;
	position: fixed;
	z-index: 80;
	-webkit-overflow-scrolling: touch;
}
.pm-menu[hidden] {
	display: none !important;
}
.pm-menu-item {
	background: transparent;
	border: 0;
	border-radius: 6px;
	color: var(--text-on-light);
	cursor: pointer;
	display: block;
	font-family: inherit;
	font-size: 14px;
	font-weight: 700;
	padding: 10px 12px;
	text-align: left;
	width: 100%;
	box-sizing: border-box;
	list-style: none;
}
.pm-menu-item:hover,
.pm-menu-item:focus-visible {
	background: var(--ghost-hover);
	outline: none;
}
.pm-menu-item.is-active {
	background: var(--highlight-wash);
	color: var(--highlight-color-on-white);
}
.pm-menu-item small {
	color: var(--muted-text);
	display: block;
	font-size: 12px;
	font-weight: 400;
	line-height: 1.3;
	margin-top: 2px;
}

.pm-card {
	background: var(--surface);
	border: 1px solid var(--staff-line-color);
	border-radius: 10px;
	margin-bottom: 14px;
	padding: 16px;
}

.pm-card h2 {
	font-size: 17px;
	margin: 0 0 6px;
}

.pm-hint {
	color: var(--muted-text);
	font-size: 13px;
	line-height: 1.4;
	margin: 0 0 12px;
}

.pm-btn {
	align-items: center;
	background: var(--highlight-color);
	border: 0;
	border-radius: 6px;
	color: var(--on-highlight);
	cursor: pointer;
	display: inline-flex;
	font-family: inherit;
	font-size: 15px;
	font-weight: 700;
	gap: 6px;
	padding: 10px 14px;
	text-decoration: none;
}

.pm-btn:hover { background: var(--highlight-color-hover); }
.pm-btn-ghost {
	background: var(--menu-bg);
	color: var(--text-on-light);
}
.pm-btn-ghost:hover { background: var(--ghost-hover); }
.pm-btn.is-playing { background: var(--danger-color); }
.pm-btn.is-playing:hover { background: var(--danger-hover); }
.pm-btn.is-paused {
	background: var(--highlight-color);
}
.pm-btn.is-paused:hover { background: var(--highlight-color-hover); }
.pm-btn-wide { min-width: 120px; justify-content: center; }

.pm-card-transport {
	container-name: pm-transport;
	container-type: inline-size;
	position: sticky;
	top: 0;
	z-index: 40;
}
@supports (top: env(safe-area-inset-top)) {
	.pm-card-transport {
		top: env(safe-area-inset-top, 0px);
	}
}
.pm-card-transport::after {
	background: linear-gradient(180deg, color-mix(in oklab, var(--text-on-light) 8%, transparent), transparent);
	content: "";
	height: 10px;
	left: 0;
	opacity: 0;
	pointer-events: none;
	position: absolute;
	right: 0;
	top: 100%;
	transition: opacity 120ms ease-out;
}
.pm-card-transport.is-stuck::after {
	opacity: 1;
}

.pm-now {
	align-items: start;
	display: grid;
	gap: 16px;
	grid-template-columns: minmax(160px, 200px) 1fr;
	position: relative;
}

/* Stack viz + BPM when the transport card is narrow (PWA / split-screen),
   not when the whole viewport is narrow. */
@container pm-transport (max-width: 560px) {
	.pm-now {
		grid-template-columns: 1fr;
	}
}

@supports not (container-type: inline-size) {
	@media (max-width: 560px) {
		.pm-now { grid-template-columns: 1fr; }
	}
}

.pm-viz {
	background: var(--viz-bg);
	border-radius: 12px;
	padding: 12px 12px 10px;
	position: relative;
}

.pm-viz-expand {
	align-items: center;
	/* Always a light chip on the dark viz panel — do not use page text color. */
	background: oklch(0.96 0.005 240);
	border: 1px solid color-mix(in oklab, var(--viz-fg) 35%, transparent);
	border-radius: 8px;
	color: var(--viz-ink);
	cursor: pointer;
	display: inline-flex;
	height: 34px;
	justify-content: center;
	padding: 0;
	position: absolute;
	right: 8px;
	top: 8px;
	width: 34px;
	z-index: 3;
}
.pm-viz-expand:hover {
	border-color: var(--highlight-color);
	color: var(--highlight-color);
}
.pm-viz-expand.is-active {
	background: var(--highlight-color);
	border-color: var(--highlight-color);
	color: var(--on-highlight);
}
.pm-viz-expand .bb-icon {
	height: 16px;
	width: 16px;
	stroke: currentColor;
}

.pm-pendulum-stage {
	height: 140px;
	overflow: hidden;
	position: relative;
}

.pm-pendulum-stage::before {
	background: var(--viz-fg-faint);
	bottom: 8px;
	content: "";
	height: 2px;
	left: 12%;
	position: absolute;
	right: 12%;
}

.pm-pendulum {
	bottom: 6px;
	height: 118px;
	left: 50%;
	position: absolute;
	transform: translateX(-50%);
	transform-origin: 50% 100%;
	width: 24px;
}

.pm-pendulum-arm {
	background: linear-gradient(180deg, var(--viz-arm-top) 0%, var(--viz-arm-bot) 100%);
	border-radius: 3px;
	height: 100%;
	left: 50%;
	margin-left: -2px;
	position: absolute;
	top: 0;
	transform: rotate(0deg);
	transform-origin: 50% 100%;
	width: 4px;
	will-change: transform;
}

/* CSS fallback when WAAPI is unavailable (class toggles). */
.pm-css-pendulum .pm-pendulum-arm {
	transition: transform 120ms linear;
}
.pm-css-pendulum .pm-pendulum.is-left .pm-pendulum-arm { transform: rotate(-28deg); }
.pm-css-pendulum .pm-pendulum.is-right .pm-pendulum-arm { transform: rotate(28deg); }
.pm-css-pendulum .pm-pendulum.is-center .pm-pendulum-arm { transform: rotate(0deg); }

.pm-pendulum-weight {
	background: radial-gradient(circle at 35% 30%, var(--highlight-light), var(--highlight-color-on-white) 55%, var(--highlight-deep) 100%);
	border: 2px solid var(--highlight-light);
	border-radius: 50%;
	box-shadow: 0 0 0 0 var(--highlight-ring);
	height: 28px;
	left: 50%;
	position: absolute;
	top: 4px;
	transform: translateX(-50%);
	transition: box-shadow 80ms ease-out, background 80ms ease-out, border-color 80ms ease-out;
	width: 28px;
}

.pm-pendulum.is-tick .pm-pendulum-weight {
	box-shadow: 0 0 0 8px var(--highlight-glow);
}

.pm-pendulum.is-accent .pm-pendulum-arm {
	background: linear-gradient(180deg, var(--accent-light) 0%, var(--accent-color) 55%, var(--accent-deep) 100%);
}

.pm-pendulum.is-accent .pm-pendulum-weight,
.pm-pendulum.is-accent.is-tick .pm-pendulum-weight {
	background: radial-gradient(circle at 35% 30%, var(--accent-light), var(--accent-color) 55%, var(--accent-deep) 100%);
	border-color: var(--accent-light);
	box-shadow: 0 0 0 10px var(--accent-glow);
}

.pm-pendulum.is-mute .pm-pendulum-weight {
	background: radial-gradient(circle at 35% 30%, var(--viz-mute-light), var(--viz-mute-mid) 60%, var(--viz-mute-deep) 100%);
	border-color: var(--muted-text);
	border-style: dashed;
	box-shadow: none;
}

.pm-pendulum-pivot {
	background: var(--viz-fg);
	border-radius: 50%;
	bottom: -5px;
	height: 12px;
	left: 50%;
	position: absolute;
	transform: translateX(-50%);
	width: 12px;
}

.pm-beats {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
	margin-top: 10px;
}

.pm-beat {
	--beat-progress: 0;
	--beat-fill: var(--highlight-fill);
	align-items: center;
	background:
		radial-gradient(circle at center, color-mix(in oklab, var(--viz-bg-deep) 55%, transparent) 0 42%, transparent 43%),
		conic-gradient(
			from -90deg,
			var(--beat-fill) 0 calc(var(--beat-progress) * 1%),
			var(--viz-fg-faint) 0
		);
	border: 2px solid var(--viz-border);
	border-radius: 50%;
	box-sizing: border-box;
	color: var(--viz-fg-muted);
	display: flex;
	font-size: 12px;
	font-weight: 700;
	height: 28px;
	justify-content: center;
	position: relative;
	transition: border-color 70ms ease-out, color 70ms ease-out, transform 70ms ease-out, box-shadow 70ms ease-out;
	width: 28px;
}

.pm-beat-num {
	position: relative;
	z-index: 1;
}

.pm-beat.is-one {
	--beat-fill: var(--accent-fill);
	border-color: var(--accent-border);
}

.pm-beat.is-active {
	--beat-fill: var(--highlight-color);
	border-color: var(--highlight-light);
	color: var(--on-highlight);
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
	transform: scale(1.12);
}

.pm-beat.is-active.is-one {
	--beat-fill: var(--accent-color);
	border-color: var(--accent-light);
	box-shadow: 0 0 0 4px var(--accent-ring);
}

.pm-beat.is-passed {
	--beat-progress: 100;
	--beat-fill: var(--highlight-fill-soft);
	border-color: var(--highlight-soft);
	color: var(--viz-fg-dim);
}

.pm-beat.is-passed.is-one {
	--beat-fill: var(--accent-fill-soft);
}

/* Fullscreen metronome visualization (native API + CSS fallback for mobile). */
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) {
	align-content: center;
	background: var(--viz-bg-deep);
	box-sizing: border-box;
	color: var(--viz-fg);
	display: flex;
	flex-direction: column;
	gap: 24px;
	height: 100%;
	inset: 0;
	justify-content: center;
	max-width: none;
	padding: max(20px, env(safe-area-inset-top, 0px)) max(20px, env(safe-area-inset-right, 0px)) max(20px, env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px));
	width: 100%;
	z-index: 10050;
}
.pm-now.is-viz-fullscreen {
	position: fixed;
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-viz-expand {
	background: var(--viz-surface-strong);
	border-color: var(--viz-border-strong);
	color: var(--on-highlight);
	position: fixed;
	right: max(12px, env(safe-area-inset-right, 0px));
	top: max(12px, env(safe-area-inset-top, 0px));
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-viz {
	background: transparent;
	flex: 1 1 auto;
	min-height: 0;
	padding: 8px 0 0;
	width: min(420px, 100%);
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-pendulum-stage {
	height: min(52vh, 360px);
	height: min(52dvh, 360px);
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-pendulum {
	height: calc(100% - 24px);
	width: 36px;
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-pendulum-weight {
	height: 52px;
	width: 52px;
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-beats {
	gap: 10px;
	justify-content: center;
	margin-top: 14px;
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-beat {
	font-size: 18px;
	height: 44px;
	min-width: 44px;
	width: 44px;
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-now-main {
	align-items: center;
	display: flex;
	flex-direction: column;
	gap: 10px;
	text-align: center;
	width: min(520px, 100%);
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-now-bpm {
	color: var(--on-highlight);
	font-size: clamp(42px, 12vw, 72px);
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-now-bpm span {
	color: var(--viz-fg-soft);
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-now-line {
	color: var(--viz-fg-dim);
	font-size: 16px;
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-now-line b {
	color: var(--on-highlight);
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-status {
	color: var(--viz-fg-muted);
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-controls {
	justify-content: center;
}
:is(.pm-now.is-viz-fullscreen, .pm-now:fullscreen, .pm-now:-webkit-full-screen) .pm-btn-ghost {
	background: var(--viz-surface);
	border: 1px solid var(--viz-border);
	color: var(--on-highlight);
}
body.pm-viz-fullscreen-open {
	overflow: hidden;
}

.pm-now-main { min-width: 0; }
.pm-now-bpm {
	font-size: 40px;
	font-weight: 700;
	letter-spacing: -0.02em;
	line-height: 1;
}
.pm-now-bpm span {
	color: var(--muted-text);
	font-size: 14px;
	font-weight: 700;
	margin-left: 6px;
}
.pm-now-line {
	color: var(--muted-text);
	font-size: 14px;
	margin-top: 6px;
}
.pm-now-line b { color: var(--text-on-light); }

.pm-controls {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 12px;
}

.pm-status {
	color: var(--muted-text);
	font-size: 13px;
	margin-top: 10px;
}

.pm-timeline-meta {
	color: var(--muted-text);
	font-size: 12px;
	font-weight: 700;
	margin: 0 0 12px;
}

.pm-segments {
	display: grid;
	gap: 10px;
	max-height: min(72vh, 820px);
	max-height: min(72dvh, 820px);
	overflow-x: hidden;
	overflow-y: auto;
	padding-right: 2px;
	position: relative;
	scroll-behavior: smooth;
	-webkit-overflow-scrolling: touch;
}

@supports (view-transition-name: none) {
	/* Keep the page chrome still; only phrase rows morph. */
	::view-transition-old(root),
	::view-transition-new(root) {
		animation: none;
		mix-blend-mode: normal;
	}

	::view-transition-group(*) {
		animation-duration: 220ms;
		animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
	}

	::view-transition-old(*):only-child {
		animation: pm-vt-out 180ms ease-out both;
	}

	::view-transition-new(*):only-child {
		animation: pm-vt-in 220ms cubic-bezier(0.22, 1, 0.36, 1) both;
	}
}

@keyframes pm-vt-out {
	to {
		opacity: 0;
		transform: scale(0.98);
	}
}

@keyframes pm-vt-in {
	from {
		opacity: 0;
		transform: scale(0.98);
	}
}

.pm-segment {
	background: var(--workspace-bg);
	border: 1px solid var(--staff-line-color);
	border-radius: 10px;
	overflow: hidden;
	padding: 12px;
	position: relative;
	transition: border-color 80ms ease-out, box-shadow 80ms ease-out;
}

.pm-segment-fill {
	background: var(--accent-muted);
	bottom: 0;
	left: 0;
	pointer-events: none;
	position: absolute;
	top: 0;
	width: 0%;
	z-index: 0;
}

.pm-segment > *:not(.pm-segment-fill) {
	position: relative;
	z-index: 1;
}

.pm-segment.is-mute { border-style: dashed; }
.pm-segment.is-ones { border-style: dashed; border-color: var(--muted-text); }
.pm-segment.is-ramp { border-color: var(--highlight-color); }
.pm-segment.is-active {
	border-color: var(--accent-border-strong);
	box-shadow: inset 0 0 0 1px var(--accent-border);
}
.pm-segment.is-armed {
	border-color: var(--highlight-color);
	box-shadow: inset 0 0 0 1px var(--highlight-soft);
}
.pm-segment.is-done {
	border-color: color-mix(in oklab, var(--accent-color) 55%, transparent);
}

.pm-segment.is-disabled {
	opacity: 0.55;
}
.pm-segment.is-disabled .pm-segment-fill {
	display: none;
}
.pm-segment.is-disabled .pm-segment-fields {
	pointer-events: none;
}

.pm-segment-top {
	align-items: center;
	display: flex;
	gap: 10px;
	justify-content: space-between;
	margin-bottom: 10px;
}

.pm-segment-seek {
	align-items: center;
	background: transparent;
	border: 0;
	color: inherit;
	cursor: pointer;
	display: flex;
	flex: 1;
	font: inherit;
	font-weight: 700;
	gap: 8px;
	min-width: 0;
	padding: 0;
	text-align: left;
}
.pm-segment-seek:hover {
	color: var(--highlight-color-on-white);
}
.pm-segment-seek:focus-visible {
	outline: 2px solid var(--highlight-color);
	outline-offset: 2px;
}

.pm-segment-title {
	align-items: center;
	display: flex;
	font-weight: 700;
	gap: 8px;
	min-width: 0;
}

.pm-segment-index {
	align-items: center;
	background: var(--viz-bg);
	border: 0;
	border-radius: 50%;
	color: var(--viz-fg);
	cursor: pointer;
	display: inline-flex;
	flex-shrink: 0;
	font: inherit;
	font-size: 13px;
	font-weight: 700;
	height: 28px;
	justify-content: center;
	padding: 0;
	width: 28px;
}
.pm-segment-index:hover {
	background: var(--highlight-color);
}
.pm-segment-index:focus-visible {
	outline: 2px solid var(--highlight-color);
	outline-offset: 2px;
}
.pm-segment.is-disabled .pm-segment-index {
	background: var(--muted-text);
	text-decoration: line-through;
}
.pm-segment.is-disabled .pm-segment-index:hover {
	background: var(--highlight-color);
	text-decoration: none;
}

.pm-segment-summary { color: var(--muted-text); font-size: 13px; font-weight: 400; }

.pm-segment-actions { display: flex; gap: 4px; }

.pm-icon-btn {
	background: var(--surface);
	border: 1px solid var(--staff-line-color);
	border-radius: 6px;
	color: var(--text-on-light);
	cursor: pointer;
	font-family: inherit;
	font-size: 15px;
	font-weight: 700;
	height: 32px;
	width: 32px;
}
.pm-icon-btn:hover { border-color: var(--highlight-color); }
.pm-icon-btn.pm-danger:hover { border-color: var(--danger-color); color: var(--danger-color); }

.pm-segment-fields {
	display: grid;
	gap: 10px;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 700px) {
	.pm-segment-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 980px) {
	.pm-segment-fields { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

.pm-field { display: flex; flex-direction: column; gap: 5px; }
.pm-field > span { color: var(--muted-text); font-size: 12px; font-weight: 700; }
.pm-field small {
	color: var(--muted-text);
	font-size: 12px;
	font-weight: 400;
	line-height: 1.35;
}
.pm-field input:not([type="checkbox"]),
.pm-field select {
	background: var(--surface);
	border: 1px solid var(--staff-line-color);
	border-radius: 6px;
	box-sizing: border-box;
	font-family: inherit;
	font-size: 16px;
	font-weight: 700;
	padding: 8px 10px;
	width: 100%;
}
.pm-accent-beats {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}
.pm-accent-beat {
	align-items: center;
	background: var(--surface);
	border: 1px solid var(--staff-line-color);
	border-radius: 6px;
	cursor: pointer;
	display: inline-flex;
	gap: 6px;
	font-size: 14px;
	font-weight: 700;
	padding: 6px 10px;
	user-select: none;
}
.pm-accent-beat input {
	accent-color: var(--highlight-color);
	height: 16px;
	margin: 0;
	padding: 0;
	width: 16px;
}
.pm-accent-beat:has(input:checked) {
	background: var(--highlight-tint);
	border-color: var(--highlight-color);
}

.pm-settings {
	display: grid;
	gap: 12px;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.pm-check {
	align-items: flex-start;
	display: flex;
	gap: 8px;
	margin-top: 12px;
}
.pm-check input {
	accent-color: var(--highlight-color);
	height: 18px;
	margin-top: 2px;
	width: 18px;
}
.pm-check small {
	color: var(--muted-text);
	display: block;
	font-size: 12px;
	font-weight: 400;
	margin-top: 2px;
}

.pm-volume {
	align-items: center;
	display: flex;
	gap: 10px;
	grid-column: 1 / -1;
}
.pm-volume input { accent-color: var(--highlight-color); flex: 1; }

.pm-details {
	border: 0;
	margin: 0;
	padding: 0;
}
.pm-details > summary {
	cursor: pointer;
	font-weight: 700;
	list-style: none;
	padding: 4px 0;
}
.pm-details > summary::-webkit-details-marker { display: none; }
.pm-details > summary::before {
	color: var(--highlight-color);
	content: "▸ ";
}
.pm-details[open] > summary::before { content: "▾ "; }
.pm-details-body { margin-top: 12px; }

.pm-presets {
	display: grid;
	gap: 8px;
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.pm-preset {
	background: var(--workspace-bg);
	border: 1px solid var(--staff-line-color);
	border-radius: 8px;
	cursor: pointer;
	font-family: inherit;
	padding: 10px 12px;
	text-align: left;
}
.pm-preset:hover {
	background: var(--highlight-wash);
	border-color: var(--highlight-color);
}
.pm-preset strong { display: block; font-size: 14px; margin-bottom: 3px; }
.pm-preset span { color: var(--muted-text); font-size: 12px; line-height: 1.3; }

.pm-share-url {
	background: var(--menu-bg);
	border: 1px solid var(--staff-line-color);
	border-radius: 6px;
	box-sizing: border-box;
	font-family: inherit;
	font-size: 12px;
	margin-top: 10px;
	padding: 8px 10px;
	width: 100%;
}

@media (prefers-reduced-motion: reduce) {
	.pm-card-transport::after,
	.pm-pendulum-arm,
	.pm-pendulum-weight,
	.pm-beat,
	.pm-segment {
		transition: none !important;
	}
	.pm-pendulum-arm {
		will-change: auto;
	}
	.pm-segments {
		scroll-behavior: auto;
	}
	.pm-pendulum.is-left .pm-pendulum-arm,
	.pm-pendulum.is-right .pm-pendulum-arm,
	.pm-pendulum.is-center .pm-pendulum-arm,
	.pm-css-pendulum .pm-pendulum.is-left .pm-pendulum-arm,
	.pm-css-pendulum .pm-pendulum.is-right .pm-pendulum-arm,
	.pm-css-pendulum .pm-pendulum.is-center .pm-pendulum-arm {
		transform: rotate(0deg);
	}
	.pm-pendulum.is-tick .pm-pendulum-weight,
	.pm-pendulum.is-accent .pm-pendulum-weight,
	.pm-pendulum.is-accent.is-tick .pm-pendulum-weight {
		box-shadow: none;
	}
	.pm-beat.is-active {
		transform: none;
	}
	.pm-beat.is-active.is-one {
		box-shadow: none;
	}

	@supports (view-transition-name: none) {
		::view-transition-group(*),
		::view-transition-old(*),
		::view-transition-new(*) {
			animation: none !important;
		}
	}

	body,
	.pm-card,
	.pm-segment,
	.pm-preset,
	.pm-btn-ghost,
	.pm-icon-btn,
	.pm-field input:not([type="checkbox"]),
	.pm-field select,
	.pm-accent-beat,
	.pm-share-url {
		transition: none !important;
	}
}