/**
 * Trang Nhạc lý — tra cứu hợp âm (không Tailwind, không style="").
 */

.hah-nhac-ly {
	--hah-nl-header: 4.2rem;
	--hah-nl-admin: 0px;
	--hah-nl-tabs-h: 3.15rem;
	--hah-nl-toolbar-h: 4.85rem;
	--hah-nl-sticky-top: calc(var(--hah-nl-header) + var(--hah-nl-admin));
	display: grid;
	gap: 1.35rem;
	color: var(--hah-ink, #1a1c1e);
	text-align: center;
}

body.admin-bar .hah-nhac-ly {
	--hah-nl-admin: 32px;
}

@media (max-width: 782px) {
	body.admin-bar .hah-nhac-ly {
		--hah-nl-admin: 46px;
	}
}

body:has(#site-header.is-scroll-hidden:not(:focus-within):not(.is-scroll-pinned)) .hah-nhac-ly {
	--hah-nl-header: 0px;
}

.hah-nhac-ly-lede {
	max-width: 62ch;
	margin: 0 auto;
	font-size: 1.05rem;
	line-height: 1.55;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nhac-ly-tabs {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.35rem;
	padding: 0.4rem 0 0.55rem;
	margin: 0;
	position: sticky;
	top: var(--hah-nl-sticky-top);
	z-index: 40;
	background: var(--hah-surface, #fff);
	border-bottom: 1px solid var(--hah-border, #e3e6ea);
	box-shadow: 0 8px 12px -8px rgba(26, 28, 30, 0.18);
}

.hah-nhac-ly-tab {
	appearance: none;
	border: 1px solid transparent;
	background: transparent;
	color: var(--hah-ink-muted, #5c636a);
	border-radius: var(--hah-radius-sm, 6px);
	padding: 0.5rem 0.85rem;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.hah-nhac-ly-tab:hover,
.hah-nhac-ly-tab:focus-visible {
	color: var(--hah-ink, #1a1c1e);
	background: var(--hah-surface-muted, #eef1f4);
}

.hah-nhac-ly-tab.is-active {
	background: var(--hah-brand, #d83030);
	border-color: var(--hah-brand, #d83030);
	color: #fff;
}

.hah-nhac-ly-section {
	display: grid;
	gap: 1rem;
}

.hah-nhac-ly-section[hidden] {
	display: none;
}

.hah-nhac-ly-section h2 {
	margin: 0;
	font-size: 1.45rem;
	letter-spacing: -0.02em;
	color: var(--hah-ink, #1a1c1e);
}

.hah-nhac-ly-section h3 {
	margin: 0.4rem 0 0;
	font-size: 1.05rem;
}

.hah-nhac-ly-copy {
	margin: 0 auto;
	max-width: 68ch;
	line-height: 1.55;
}

.hah-nhac-ly-hint {
	margin: 0;
	font-size: 0.92rem;
	font-weight: 600;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nhac-ly[data-mode="notes"] .hah-nhac-ly-hint {
	color: var(--hah-brand-deep, #9e1f1f);
}

.hah-nhac-ly-mode,
.hah-nhac-ly-example,
.hah-nhac-ly-submit {
	appearance: none;
	border: 1px solid var(--hah-border-strong, #cfd4da);
	background: var(--hah-surface, #fff);
	color: var(--hah-ink, #1a1c1e);
	border-radius: var(--hah-radius-sm, 6px);
	padding: 0.45rem 0.85rem;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.hah-nhac-ly-mode.is-active,
.hah-nhac-ly-submit {
	background: var(--hah-brand, #d83030);
	border-color: var(--hah-brand, #d83030);
	color: #fff;
}

.hah-nhac-ly-mode:active,
.hah-nhac-ly-submit:active,
.hah-nhac-ly-example:active,
.hah-nhac-ly-chip:active,
.hah-nhac-ly-tab:active {
	transform: translateY(1px);
}

.hah-nhac-ly-submit:hover,
.hah-nhac-ly-submit:focus {
	background: var(--hah-brand-hover, #b82525);
	color: #fff;
}

.hah-nhac-ly-example {
	font-weight: 500;
}

.hah-nhac-ly-panel {
	display: grid;
	gap: 0.85rem;
}

.hah-nhac-ly-form {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 0.5rem;
}

.hah-nhac-ly-input,
.hah-nhac-ly-select {
	width: 100%;
	min-height: 2.6rem;
	padding: 0.5rem 0.75rem;
	border: 1px solid var(--hah-border, #e3e6ea);
	border-radius: var(--hah-radius-sm, 6px);
	background: var(--hah-surface, #fff);
	color: var(--hah-ink, #1a1c1e);
	font: inherit;
}

.hah-nhac-ly-input:focus,
.hah-nhac-ly-select:focus {
	outline: 2px solid rgba(var(--hah-brand-rgb, 216, 48, 48), 0.35);
	border-color: var(--hah-brand, #d83030);
}

.hah-nhac-ly-field {
	display: grid;
	gap: 0.35rem;
}

.hah-nhac-ly-field label {
	font-weight: 600;
	font-size: 0.92rem;
}

.hah-nhac-ly-form .hah-nhac-ly-input {
	text-align: center;
}

.hah-nhac-ly-examples {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.4rem;
}

.hah-nhac-ly-pad {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.4rem;
}

.hah-nhac-ly-chip {
	appearance: none;
	min-width: 2.6rem;
	border: 1px solid var(--hah-border, #e3e6ea);
	background: var(--hah-surface, #fff);
	color: var(--hah-ink, #1a1c1e);
	border-radius: var(--hah-radius-sm, 6px);
	padding: 0.4rem 0.55rem;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.hah-nhac-ly-chip.is-on {
	background: var(--hah-mark-soft, #f6eef1);
	border-color: var(--hah-brand, #d83030);
	color: var(--hah-brand-deep, #9e1f1f);
}

.hah-nhac-ly-answer {
	padding: 1rem 1.1rem;
	border: 1px solid var(--hah-border, #e3e6ea);
	border-radius: var(--hah-radius, 10px);
	background: var(--hah-surface, #fff);
}

.hah-nhac-ly-answer.is-empty {
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nhac-ly-answer-kicker {
	margin: 0 0 0.35rem;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nhac-ly-answer-notes {
	margin: 0.15rem 0 0;
	font-size: 2.85rem;
	line-height: 1.15;
	font-weight: 800;
	letter-spacing: 0.06em;
	font-variant-numeric: tabular-nums;
}

.hah-nhac-ly-iv,
.hah-nhac-ly-hitlist {
	margin: 0.75rem 0 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.35rem;
}

.hah-nhac-ly-iv li,
.hah-nhac-ly-hitlist li {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem 0.8rem;
	align-items: baseline;
	justify-content: center;
	padding: 0.35rem 0;
	border-top: 1px solid var(--hah-border, #e3e6ea);
}

.hah-nhac-ly-iv span,
.hah-nhac-ly-hitlist span {
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nhac-ly-best {
	color: var(--hah-brand, #d83030);
	font-weight: 700;
	font-size: 0.82rem;
}

.hah-nhac-ly-aliases {
	margin: 0.85rem 0 0;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nhac-ly-catalog {
	display: grid;
	gap: 0.65rem;
}

.hah-nhac-ly-toolbar {
	display: grid;
	grid-template-columns: minmax(6.5rem, 9rem) minmax(8rem, 11rem) 1fr;
	gap: 0.6rem;
	position: sticky;
	top: calc(var(--hah-nl-sticky-top) + var(--hah-nl-tabs-h));
	z-index: 30;
	padding: 0.45rem 0 0.55rem;
	background: var(--hah-surface, #fff);
	box-shadow: 0 8px 12px -8px rgba(26, 28, 30, 0.18);
}

.hah-nhac-ly-scroll {
	border: 1px solid var(--hah-border, #e3e6ea);
	border-radius: var(--hah-radius, 10px);
	background: var(--hah-surface, #fff);
}

.hah-nhac-ly-table {
	width: 100%;
	border-collapse: separate;
	border-spacing: 0;
	font-variant-numeric: tabular-nums;
}

.hah-nhac-ly-table th,
.hah-nhac-ly-table td {
	text-align: left;
	padding: 0.55rem 0.75rem;
	border-bottom: 1px solid var(--hah-border, #e3e6ea);
	vertical-align: top;
}

.hah-nhac-ly-table th {
	position: sticky;
	top: calc(var(--hah-nl-sticky-top) + var(--hah-nl-tabs-h));
	z-index: 20;
	background: var(--hah-surface-muted, #eef1f4);
	font-size: 0.82rem;
	font-weight: 700;
	box-shadow: 0 1px 0 var(--hah-border, #e3e6ea);
}

.hah-nhac-ly-catalog .hah-nhac-ly-table th {
	top: calc(var(--hah-nl-sticky-top) + var(--hah-nl-tabs-h) + var(--hah-nl-toolbar-h));
}

.hah-nhac-ly-table tbody tr:last-child td {
	border-bottom: 0;
}

.hah-nhac-ly-table code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.92em;
}

.hah-nhac-ly-catalog,
.hah-nhac-ly-toolbar,
.hah-nhac-ly-table,
.hah-nhac-ly-field,
.hah-nhac-ly-rules,
.hah-nhac-ly-article {
	text-align: left;
}

.hah-nhac-ly-article {
	display: grid;
	gap: 0.95rem;
}

.hah-nhac-ly-article .hah-nhac-ly-copy {
	margin: 0;
	max-width: none;
}

.hah-nhac-ly-article h3 {
	margin: 0.85rem 0 0;
	font-size: 1.18rem;
	letter-spacing: -0.02em;
}

.hah-nhac-ly-article h4 {
	margin: 0.35rem 0 0;
	font-size: 1rem;
	font-weight: 700;
}

.hah-nhac-ly-article .hah-nhac-ly-rules {
	margin: 0;
	max-width: none;
}

.hah-nhac-ly-article .hah-nhac-ly-example {
	display: inline-flex;
	margin: 0 0.15rem;
	vertical-align: baseline;
}

.hah-nhac-ly-rules {
	margin: 0 auto;
	padding-left: 1.15rem;
	max-width: 68ch;
	display: grid;
	gap: 0.4rem;
}

.hah-nhac-ly-mini {
	width: 100%;
}

@media (max-width: 720px) {
	.hah-nhac-ly {
		--hah-nl-header: 3.6rem;
		--hah-nl-toolbar-h: 10.75rem;
	}

	.hah-nhac-ly-form,
	.hah-nhac-ly-toolbar {
		grid-template-columns: 1fr;
	}

	.hah-nhac-ly-answer-notes {
		font-size: 2.05rem;
	}

	.hah-nhac-ly-tabs {
		flex-wrap: nowrap;
		overflow-x: auto;
	}

	.hah-nhac-ly-tab {
		flex: 0 0 auto;
	}
}

.hah-nhac-ly-section h4 {
	margin: 0.85rem 0 0;
	font-size: 1rem;
}

.hah-nl-ruler {
	margin: 1rem auto 0;
	max-width: 44rem;
	text-align: center;
}

.hah-nl-ruler-caption {
	margin: 0 0 0.35rem;
	font-size: 0.86rem;
	font-weight: 700;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nl-ruler-track {
	--span: 12;
	--plot: 6.8rem;
	position: relative;
	height: calc(var(--plot) + 3.6rem);
	margin: 0.35rem 1.1rem 0;
	border-bottom: 2px solid var(--hah-ink, #1a1c1e);
	background-image:
		repeating-linear-gradient(
			to right,
			color-mix(in srgb, var(--hah-ink, #1a1c1e) 16%, transparent) 0 1px,
			transparent 1px calc(100% / var(--span))
		),
		repeating-linear-gradient(
			to top,
			color-mix(in srgb, var(--hah-ink, #1a1c1e) 10%, transparent) 0 1px,
			transparent 1px calc(var(--plot) / 4)
		);
	background-position: 0 0, 0 bottom;
	background-size: 100% 100%, 100% var(--plot);
	background-repeat: no-repeat;
}

.hah-nl-ruler-track.is-span-24 {
	--span: 24;
}

.hah-nl-ruler-tick {
	--bar-h: max(0.55rem, calc(var(--plot) * var(--n) / var(--span)));
	position: absolute;
	bottom: 0;
	left: calc(100% * var(--n) / var(--span));
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: flex-end;
	gap: 0.08rem;
	width: calc(100% / var(--span) * 0.68);
	max-width: 2.15rem;
	min-width: 1.15rem;
	height: calc(var(--bar-h) + 3.35rem);
	color: var(--hah-nl-col, var(--hah-ink, #1a1c1e));
}

.hah-nl-ruler-tick::after {
	content: "";
	width: 100%;
	height: var(--bar-h);
	border-radius: 4px 4px 1px 1px;
	background: var(--hah-nl-col, var(--hah-ink, #1a1c1e));
}

.hah-nl-ruler-tick.is-extra {
	color: var(--hah-brand, #d83030);
}

.hah-nl-ruler-tick.is-extra::after {
	background: repeating-linear-gradient(
		-55deg,
		var(--hah-brand, #d83030) 0 0.28rem,
		color-mix(in srgb, var(--hah-brand, #d83030) 62%, #fff) 0.28rem 0.55rem
	);
}

.hah-nl-ruler-tick.is-missing {
	color: #8a8584;
}

.hah-nl-ruler-tick.is-missing::after {
	background: transparent;
	border: 2px dashed currentColor;
	box-sizing: border-box;
}

.hah-nl-ruler-iv {
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.02em;
	line-height: 1.1;
}

.hah-nl-ruler-note {
	font-size: 0.92rem;
	font-weight: 700;
	line-height: 1.1;
}

.hah-nl-ruler-st {
	font-size: 0.64rem;
	font-variant-numeric: tabular-nums;
	opacity: 0.8;
	line-height: 1.1;
}

.hah-nl-ruler-ends {
	display: flex;
	justify-content: space-between;
	margin: 0.2rem 1.1rem 0;
	font-size: 0.72rem;
	font-variant-numeric: tabular-nums;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nl-ruler-legend {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.65rem 1rem;
	margin: 0.65rem 0 0;
	padding: 0;
	list-style: none;
	font-size: 0.8rem;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nl-ruler-legend li::before {
	content: "";
	display: inline-block;
	width: 0.7rem;
	height: 0.7rem;
	margin-right: 0.35rem;
	vertical-align: -0.1rem;
	border-radius: 2px;
	background: var(--hah-ink, #1a1c1e);
}

.hah-nl-ruler-legend .is-extra::before {
	background: var(--hah-brand, #d83030);
}

.hah-nl-ruler-legend .is-missing::before {
	background: transparent;
	border: 2px dashed #8a8584;
	box-sizing: border-box;
}

.hah-nl-st-0 { --n: 0; --hah-nl-col: #1a1c1e; }
.hah-nl-st-1 { --n: 1; --hah-nl-col: #4e6578; }
.hah-nl-st-2 { --n: 2; --hah-nl-col: #1c6d88; }
.hah-nl-st-3 { --n: 3; --hah-nl-col: #2b6a3d; }
.hah-nl-st-4 { --n: 4; --hah-nl-col: #c45c14; }
.hah-nl-st-5 { --n: 5; --hah-nl-col: #4a478f; }
.hah-nl-st-6 { --n: 6; --hah-nl-col: #8a6e16; }
.hah-nl-st-7 { --n: 7; --hah-nl-col: #0e6b5b; }
.hah-nl-st-8 { --n: 8; --hah-nl-col: #9a3a5c; }
.hah-nl-st-9 { --n: 9; --hah-nl-col: #b45309; }
.hah-nl-st-10 { --n: 10; --hah-nl-col: #c42a2a; }
.hah-nl-st-11 { --n: 11; --hah-nl-col: #2c4a8c; }
.hah-nl-st-12 { --n: 12; --hah-nl-col: #1a1c1e; }
.hah-nl-st-13 { --n: 13; --hah-nl-col: #4e6578; }
.hah-nl-st-14 { --n: 14; --hah-nl-col: #1c6d88; }
.hah-nl-st-15 { --n: 15; --hah-nl-col: #2b6a3d; }
.hah-nl-st-16 { --n: 16; --hah-nl-col: #c45c14; }
.hah-nl-st-17 { --n: 17; --hah-nl-col: #4a478f; }
.hah-nl-st-18 { --n: 18; --hah-nl-col: #8a6e16; }
.hah-nl-st-19 { --n: 19; --hah-nl-col: #0e6b5b; }
.hah-nl-st-20 { --n: 20; --hah-nl-col: #9a3a5c; }
.hah-nl-st-21 { --n: 21; --hah-nl-col: #b45309; }
.hah-nl-st-22 { --n: 22; --hah-nl-col: #c42a2a; }
.hah-nl-st-23 { --n: 23; --hah-nl-col: #2c4a8c; }
.hah-nl-st-24 { --n: 24; --hah-nl-col: #1a1c1e; }

.hah-nhac-ly-diff {
	margin: 0.55rem 0 0;
	font-size: 0.92rem;
	color: var(--hah-ink-muted, #5c636a);
}

.hah-nhac-ly-diff b {
	color: var(--hah-ink, #1a1c1e);
}

@media (max-width: 720px) {
	.hah-nl-ruler-track {
		--plot: 7.4rem;
		height: calc(var(--plot) + 3.9rem);
	}

	.hah-nl-ruler-tick {
		width: calc(100% / var(--span) * 0.78);
	}

	.hah-nl-ruler-iv {
		font-size: 0.66rem;
	}

	.hah-nl-ruler-note {
		font-size: 0.84rem;
	}
}