.tuner-page {
	--tuner-ink: #241f1a;
	--tuner-muted: #6d6257;
	--tuner-panel: #fffdf8;
	--tuner-border: #d9cdbd;
	--tuner-accent: #7a3e17;
	--tuner-accent-dark: #54270d;
	--tuner-highlight: #f3dfbd;
	color: var(--tuner-ink);
}

.tuner-heading {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1.5rem;
}

.tuner-heading h1 {
	margin: 0 0 0.25rem;
	font-family: var(--font-primary);
	font-size: clamp(2rem, 5vw, 3.25rem);
}

.tuner-heading p {
	max-width: 58rem;
	margin: 0;
	color: var(--tuner-muted);
}

.tuner-heading-icon {
	display: grid;
	width: 4rem;
	height: 4rem;
	flex: 0 0 4rem;
	place-items: center;
	border-radius: 50%;
	background: var(--tuner-highlight);
	color: var(--tuner-accent-dark);
	font-size: 2rem;
}

.tuner-shell {
	padding: clamp(1.25rem, 4vw, 2.5rem);
	border: 1px solid var(--tuner-border);
	border-radius: 1.25rem;
	background: var(--tuner-panel);
	box-shadow: 0 1rem 2.75rem rgba(62, 40, 23, 0.1);
}

.tuner-controls {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.25rem 1.5rem;
}

.tuner-field {
	min-width: 0;
}

.tuner-field-wide {
	grid-column: 1 / -1;
}

.tuner-field label {
	display: block;
	margin-bottom: 0.45rem;
	font-weight: 700;
}

.tuner-field .form-select,
.tuner-field .form-control,
.tuner-field .input-group-text {
	border-color: var(--tuner-border);
}

.tuner-field .form-select:focus,
.tuner-field .form-control:focus,
.tuner-field .form-range:focus {
	border-color: var(--tuner-accent);
	box-shadow: 0 0 0 0.2rem rgba(122, 62, 23, 0.16);
}

.tuner-help {
	margin: 0.45rem 0 0;
	color: var(--tuner-muted);
	font-size: 0.9rem;
}

.tuner-readout {
	display: grid;
	margin: 2rem 0 1.5rem;
	padding: 1.4rem;
	place-items: center;
	border-radius: 1rem;
	background: #2e241d;
	color: #fffaf1;
	text-align: center;
}

.tuner-readout-note {
	font-family: var(--font-primary);
	font-size: clamp(3rem, 10vw, 5.5rem);
	font-weight: 700;
	line-height: 1;
}

.tuner-readout-frequency {
	margin-top: 0.35rem;
	color: #f4d7a7;
	font-size: 1.25rem;
	font-variant-numeric: tabular-nums;
}

.tuner-readout-instrument {
	margin-top: 0.2rem;
	color: #ddd1c5;
}

.tuner-toggle {
	display: flex;
	width: min(100%, 25rem);
	min-height: 3.6rem;
	margin: 0 auto;
	align-items: center;
	justify-content: center;
	gap: 0.65rem;
	border: 0;
	border-radius: 999px;
	background: var(--tuner-accent);
	color: #fff;
	font-weight: 700;
	transition: background-color 160ms ease, transform 160ms ease;
}

.tuner-toggle:hover,
.tuner-toggle:focus-visible {
	background: var(--tuner-accent-dark);
}

.tuner-toggle:focus-visible {
	outline: 3px solid var(--tuner-highlight);
	outline-offset: 3px;
}

.tuner-toggle:active {
	transform: translateY(1px);
}

.tuner-toggle[aria-pressed="true"] {
	background: #982d24;
}

.tuner-toggle:disabled {
	cursor: wait;
	opacity: 0.65;
}

.tuner-toggle-icon {
	font-size: 1.4rem;
}

.tuner-keyboard-help {
	margin: 1rem 0 0;
	color: var(--tuner-muted);
	font-size: 0.9rem;
	text-align: center;
}

.tuner-information {
	margin-top: 2rem;
	padding: 1.5rem;
	border-left: 4px solid var(--tuner-accent);
	background: rgba(243, 223, 189, 0.35);
}

.tuner-information h2 {
	margin-top: 0;
	font-family: var(--font-primary);
	font-size: 1.45rem;
}

.tuner-information p:last-child {
	margin-bottom: 0;
}

@media (max-width: 767.98px) {
	.tuner-heading {
		align-items: flex-start;
	}

	.tuner-heading-icon {
		width: 3.2rem;
		height: 3.2rem;
		flex-basis: 3.2rem;
		font-size: 1.55rem;
	}

	.tuner-controls {
		grid-template-columns: 1fr;
	}

	.tuner-field-wide {
		grid-column: auto;
	}
}

@media (prefers-reduced-motion: reduce) {
	.tuner-toggle {
		transition: none;
	}
}