.btp-unit-converter,
.btp-unit-converter *,
.btp-unit-converter *::before,
.btp-unit-converter *::after {
	box-sizing: border-box;
}

.btp-unit-converter {
	width: min(100%, 960px);
	margin-inline: auto;
	overflow: hidden;
	border: 1px solid var(--btk-line);
	border-radius: 12px;
	background: var(--btk-surface);
	color: var(--btk-ink);
	box-shadow: 0 14px 34px rgb(15 23 42 / 6%);
}

.btp-unit-converter__form {
	padding: 28px 30px 18px;
}

.btp-unit-converter__main {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 52px minmax(0, 1fr);
	grid-template-areas:
		"from-label . to-label"
		"from-control swap to-control";
	column-gap: 24px;
	row-gap: 10px;
	align-items: center;
}

.btp-unit-converter__label {
	margin: 0;
	color: var(--btk-ink);
	font-size: 1rem;
	font-weight: 750;
	line-height: 1.35;
	letter-spacing: 0;
}

.btp-unit-converter__label.is-from {
	grid-area: from-label;
}

.btp-unit-converter__label.is-to {
	grid-area: to-label;
}

.btp-unit-converter__control {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 92px;
	min-width: 0;
	min-height: 68px;
	overflow: hidden;
	border: 1px solid var(--btk-line);
	border-radius: 10px;
	background: var(--btk-bg);
	transition: border-color 160ms ease, box-shadow 160ms ease;
}

.btp-unit-converter__control.is-from {
	grid-area: from-control;
}

.btp-unit-converter__control.is-to {
	grid-area: to-control;
}

.btp-unit-converter__control:focus-within {
	border-color: var(--btk-blue);
	box-shadow: 0 0 0 3px rgb(37 99 235 / 14%);
}

.btp-unit-converter__control input {
	min-width: 0;
	width: 100%;
	min-height: 66px;
	margin: 0;
	padding: 13px 16px;
	border: 0;
	background: transparent;
	color: var(--btk-ink);
	font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
	font-size: clamp(1.35rem, 2.2vw, 1.75rem);
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	line-height: 1.2;
	letter-spacing: 0;
	outline: 0;
}

.btp-unit-converter__control input.is-long-value {
	font-size: clamp(1.05rem, 1.7vw, 1.35rem);
}

.btp-unit-converter__control input.is-very-long-value {
	font-size: clamp(.86rem, 1.35vw, 1.08rem);
}

.btp-unit-converter__control select {
	min-width: 0;
	width: 92px;
	margin: 0;
	padding: 0 12px;
	border: 0;
	border-left: 1px solid var(--btk-line);
	border-radius: 0;
	background: var(--btk-soft);
	color: var(--btk-ink);
	font: inherit;
	font-size: 1rem;
	font-weight: 750;
	line-height: 1.2;
	cursor: pointer;
}

.btp-unit-converter__swap,
.btp-unit-converter__copy,
.btp-unit-converter__reset,
.btp-unit-converter__submit,
.btp-unit-converter__calculation summary {
	min-height: 44px;
	border-radius: 8px;
	font: inherit;
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.3;
	letter-spacing: 0;
}

.btp-unit-converter__swap {
	display: inline-grid;
	grid-area: swap;
	place-items: center;
	width: 52px;
	height: 52px;
	padding: 0;
	border: 1px solid var(--btk-line);
	background: var(--btk-bg);
	color: var(--btk-blue);
	cursor: pointer;
}

.btp-unit-converter__swap span {
	font-size: 1.5rem;
	line-height: 1;
}

.btp-unit-converter__swap:disabled,
.btp-unit-converter__copy:disabled {
	cursor: not-allowed;
	opacity: .46;
}

.btp-unit-converter__error,
.btp-unit-converter__feedback {
	margin: 10px 0 0;
	font-size: 1rem;
	line-height: 1.5;
}

.btp-unit-converter__error:empty,
.btp-unit-converter__feedback:empty {
	display: none;
}

.btp-unit-converter__error {
	color: #b42318;
}

:root[data-theme="dark"] .btp-unit-converter__error {
	color: #ffb4ab;
}

.btp-unit-converter__feedback {
	color: var(--btk-muted);
}

.btp-unit-converter__toolbar {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	grid-template-areas: "relationship actions";
	gap: 18px;
	align-items: center;
	margin-top: 18px;
}

.btp-unit-converter__relationship {
	grid-area: relationship;
	min-width: 0;
	margin: 0;
	color: var(--btk-muted);
	font-size: 1rem;
	font-weight: 600;
	line-height: 1.5;
	overflow-wrap: anywhere;
}

.btp-unit-converter__actions {
	display: flex;
	grid-area: actions;
	gap: 10px;
	align-items: center;
}

.btp-unit-converter__copy,
.btp-unit-converter__submit {
	padding: 9px 18px;
	border: 1px solid var(--btk-blue);
	background: var(--btk-blue);
	color: #fff;
	cursor: pointer;
}

.btp-unit-converter__reset {
	padding: 9px 18px;
	border: 1px solid var(--btk-line);
	background: var(--btk-bg);
	color: var(--btk-ink);
	cursor: pointer;
}

.btp-unit-converter__swap:hover,
.btp-unit-converter__reset:hover {
	border-color: var(--btk-blue);
	color: var(--btk-blue);
}

.btp-unit-converter__copy:hover,
.btp-unit-converter__submit:hover {
	filter: brightness(.94);
}

.btp-unit-converter__swap:focus-visible,
.btp-unit-converter__copy:focus-visible,
.btp-unit-converter__reset:focus-visible,
.btp-unit-converter__submit:focus-visible,
.btp-unit-converter__control select:focus-visible,
.btp-unit-converter__calculation summary:focus-visible {
	outline: 3px solid color-mix(in srgb, var(--btk-blue) 55%, transparent);
	outline-offset: 3px;
}

.btp-unit-converter__equivalents {
	padding: 20px 30px 22px;
	border-top: 1px solid var(--btk-line);
}

.btp-unit-converter__section-label {
	margin: 0 0 12px;
	color: var(--btk-ink);
	font-size: 1rem;
	font-weight: 750;
	line-height: 1.35;
}

.btp-unit-converter__equivalents ul {
	display: flex;
	flex-wrap: wrap;
	gap: 10px 28px;
	align-items: baseline;
	margin: 0;
	padding: 0;
	list-style: none;
}

.btp-unit-converter__equivalents li {
	display: inline-flex;
	gap: 8px;
	align-items: baseline;
	min-width: 0;
	font-size: 1rem;
	line-height: 1.5;
}

.btp-unit-converter__equivalents li > span {
	font-weight: 750;
}

.btp-unit-converter__equivalents output {
	font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	overflow-wrap: anywhere;
}

.btp-unit-converter__calculation {
	border-top: 1px solid var(--btk-line);
}

.btp-unit-converter__calculation summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 56px;
	padding: 0 30px;
	color: var(--btk-blue);
	cursor: pointer;
	list-style: none;
}

.btp-unit-converter__calculation summary::-webkit-details-marker {
	display: none;
}

.btp-unit-converter__calculation[open] summary > span:last-child {
	transform: rotate(180deg);
}

.btp-unit-converter__calculation-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	margin: 0 30px 24px;
	overflow: hidden;
	border: 1px solid var(--btk-line);
	border-radius: 10px;
}

.btp-unit-converter__calculation-grid > div {
	min-width: 0;
	padding: 16px;
	background: var(--btk-soft);
}

.btp-unit-converter__calculation-grid > div + div {
	border-left: 1px solid var(--btk-line);
}

.btp-unit-converter__calculation-grid span {
	display: block;
	font-size: .94rem;
	font-weight: 700;
}

.btp-unit-converter__calculation-grid p {
	margin: 7px 0 0;
	overflow-wrap: anywhere;
	font-size: 1rem;
	line-height: 1.5;
}

.btp-unit-converter__calculation-grid > div:first-child p,
.btp-unit-converter__calculation-grid > div:nth-child(2) p {
	font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
	font-variant-numeric: tabular-nums;
}

@media (max-width: 760px) {
	.btp-unit-converter__main {
		grid-template-columns: minmax(0, 1fr);
		grid-template-areas:
			"from-label"
			"from-control"
			"swap"
			"to-label"
			"to-control";
		gap: 9px;
	}

	.btp-unit-converter__swap {
		justify-self: center;
		margin: 3px 0;
	}

	.btp-unit-converter__toolbar {
		grid-template-columns: minmax(0, 1fr);
		grid-template-areas:
			"actions"
			"relationship";
		gap: 13px;
	}

	.btp-unit-converter__actions {
		align-items: stretch;
	}

	.btp-unit-converter__copy,
	.btp-unit-converter__reset {
		flex: 1 1 0;
	}

	.btp-unit-converter__calculation-grid {
		grid-template-columns: minmax(0, 1fr);
	}

	.btp-unit-converter__calculation-grid > div + div {
		border-top: 1px solid var(--btk-line);
		border-left: 0;
	}
}

@media (max-width: 560px) {
	.btp-unit-converter__form {
		padding: 22px 18px 18px;
	}

	.btp-unit-converter__control {
		grid-template-columns: minmax(0, 1fr) 82px;
		min-height: 64px;
	}

	.btp-unit-converter__control input {
		min-height: 62px;
		padding: 12px 14px;
		font-size: 1.45rem;
	}

	.btp-unit-converter__control select {
		width: 82px;
		padding-inline: 9px;
	}

	.btp-unit-converter__equivalents {
		padding: 19px 18px 21px;
	}

	.btp-unit-converter__equivalents ul {
		display: grid;
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 9px 16px;
	}

	.btp-unit-converter__calculation summary {
		padding-inline: 18px;
	}

	.btp-unit-converter__calculation-grid {
		margin: 0 18px 20px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.btp-unit-converter *,
	.btp-unit-converter *::before,
	.btp-unit-converter *::after {
		transition: none !important;
	}
}