/* A4AC BPM Tapper — scoped styles with WikiPress-compatible fallbacks. */

.a4ac-bpm-tapper,
.a4ac-bpm-tapper *,
.a4ac-bpm-tapper *::before,
.a4ac-bpm-tapper *::after {
	box-sizing: border-box;
}

.a4ac-bpm-tapper {
	--a4ac-bt-primary: var(--wikipress-primary, #0645ad);
	--a4ac-bt-primary-dark: #043b87;
	--a4ac-bt-text: var(--wikipress-text, #202122);
	--a4ac-bt-muted: var(--wikipress-text-light, #54595d);
	--a4ac-bt-border: var(--wikipress-border, #a2a9b1);
	--a4ac-bt-border-light: var(--wikipress-border-light, #eaecf0);
	--a4ac-bt-bg: var(--wikipress-bg, #ffffff);
	--a4ac-bt-bg-off: var(--wikipress-bg-off, #f8f9fa);
	--a4ac-bt-font: var(--wikipress-font-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);

	width: 100%;
	max-width: 560px;
	margin: 1.5em 0;
	padding: 24px;
	border: 1px solid var(--a4ac-bt-border-light);
	border-radius: 10px;
	background:
		radial-gradient(circle at 50% 33%, rgba(6, 69, 173, 0.07), transparent 42%),
		var(--a4ac-bt-bg);
	box-shadow: 0 8px 28px rgba(32, 33, 34, 0.07);
	color: var(--a4ac-bt-text);
	font-family: var(--a4ac-bt-font);
	text-align: center;
}

.a4ac-bpm-tapper [hidden] {
	display: none !important;
}

.a4ac-bt-head {
	margin-bottom: 18px;
}

.a4ac-bt-eyebrow {
	margin: 0 0 2px;
	color: var(--a4ac-bt-muted);
	font-size: 0.72em;
	font-weight: 700;
	letter-spacing: 0.09em;
	text-transform: uppercase;
}

.a4ac-bt-reading {
	display: flex;
	align-items: baseline;
	justify-content: center;
	gap: 8px;
	min-height: 78px;
}

.a4ac-bt-value {
	min-width: 2.2ch;
	font-size: 4.25em;
	font-weight: 750;
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.055em;
	line-height: 1.05;
}

.a4ac-bt-unit {
	color: var(--a4ac-bt-muted);
	font-size: 1em;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.a4ac-bt-marking {
	min-height: 1.4em;
	margin: 2px 0 0;
	color: var(--a4ac-bt-muted);
	font-size: 0.9em;
	font-style: italic;
}

.a4ac-bt-pad {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	width: 210px;
	height: 210px;
	margin: 0 auto;
	padding: 0;
	border: 9px solid #dce8fb;
	border-radius: 50%;
	background: var(--a4ac-bt-primary);
	box-shadow:
		0 0 0 1px rgba(6, 69, 173, 0.18),
		0 12px 22px rgba(6, 69, 173, 0.2),
		inset 0 -8px 14px rgba(0, 0, 0, 0.12);
	color: #fff;
	font-family: var(--a4ac-bt-font);
	cursor: pointer;
	touch-action: manipulation;
	user-select: none;
	transition: transform 0.08s ease, background-color 0.12s ease, box-shadow 0.12s ease;
}

.a4ac-bt-pad:hover {
	background: var(--a4ac-bt-primary-dark);
	box-shadow:
		0 0 0 1px rgba(6, 69, 173, 0.22),
		0 14px 26px rgba(6, 69, 173, 0.24),
		inset 0 -8px 14px rgba(0, 0, 0, 0.12);
}

.a4ac-bt-pad:focus-visible {
	outline: 3px solid var(--a4ac-bt-text);
	outline-offset: 5px;
}

.a4ac-bt-pad:active,
.a4ac-bt-pad.is-hit {
	transform: scale(0.955);
	background: var(--a4ac-bt-primary-dark);
	box-shadow:
		0 0 0 5px rgba(6, 69, 173, 0.12),
		0 6px 14px rgba(6, 69, 173, 0.18),
		inset 0 5px 12px rgba(0, 0, 0, 0.14);
}

.a4ac-bt-pad-rings,
.a4ac-bt-pad-rings::before,
.a4ac-bt-pad-rings::after {
	position: absolute;
	inset: 20px;
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 50%;
	content: "";
	pointer-events: none;
}

.a4ac-bt-pad-rings::before {
	inset: 15px;
}

.a4ac-bt-pad-rings::after {
	inset: 30px;
}

.a4ac-bt-pad strong {
	position: relative;
	font-size: 2.15em;
	line-height: 1;
}

.a4ac-bt-pad > span:last-child {
	position: relative;
	margin-top: 8px;
	font-size: 0.69em;
	font-weight: 600;
	opacity: 0.86;
}

.a4ac-bt-trail {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 7px;
	min-height: 10px;
	margin: 17px 0 8px;
}

.a4ac-bt-trail span {
	display: block;
	width: 7px;
	height: 7px;
	border: 1px solid var(--a4ac-bt-border);
	border-radius: 50%;
	background: var(--a4ac-bt-bg);
}

.a4ac-bt-trail span.is-filled {
	border-color: var(--a4ac-bt-primary);
	background: var(--a4ac-bt-primary);
}

.a4ac-bt-status {
	min-height: 1.5em;
	margin: 0;
	color: var(--a4ac-bt-muted);
	font-size: 0.82em;
}

.a4ac-bt-stats {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1px;
	margin: 18px 0 0;
	border: 1px solid var(--a4ac-bt-border-light);
	border-radius: 7px;
	background: var(--a4ac-bt-border-light);
	overflow: hidden;
}

.a4ac-bt-stat {
	display: flex;
	flex-direction: column;
	gap: 2px;
	padding: 11px 14px;
	background: var(--a4ac-bt-bg-off);
}

.a4ac-bt-stat span {
	color: var(--a4ac-bt-muted);
	font-size: 0.69em;
	font-weight: 700;
	letter-spacing: 0.055em;
	text-transform: uppercase;
}

.a4ac-bt-stat strong {
	font-size: 0.94em;
}

.a4ac-bt-meter {
	grid-column: 1 / -1;
	height: 5px;
	background: #d7dce2;
}

.a4ac-bt-meter span {
	display: block;
	width: 0;
	height: 100%;
	background: var(--a4ac-bt-primary);
	transition: width 0.18s ease;
}

.a4ac-bt-actions {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 8px;
	margin-top: 16px;
}

.a4ac-bt-actions button,
.a4ac-bt-copy {
	min-height: 40px;
	padding: 8px 10px;
	border: 1px solid var(--a4ac-bt-border);
	border-radius: 5px;
	background: var(--a4ac-bt-bg-off);
	color: var(--a4ac-bt-text);
	font: 600 0.82em/1.2 var(--a4ac-bt-font);
	cursor: pointer;
}

.a4ac-bt-actions button:hover:not(:disabled),
.a4ac-bt-copy:hover:not(:disabled) {
	border-color: var(--a4ac-bt-primary);
	background: #f1f6ff;
	color: var(--a4ac-bt-primary);
}

.a4ac-bt-actions button:focus-visible,
.a4ac-bt-copy:focus-visible {
	outline: 2px solid var(--a4ac-bt-primary);
	outline-offset: 2px;
}

.a4ac-bt-actions button:disabled,
.a4ac-bt-copy:disabled {
	cursor: not-allowed;
	opacity: 0.5;
}

.a4ac-bt-actions .a4ac-bt-reset {
	background: var(--a4ac-bt-bg);
}

.a4ac-bt-copy {
	width: 100%;
	margin-top: 8px;
	border-color: var(--a4ac-bt-primary);
	background: var(--a4ac-bt-primary);
	color: #fff;
}

.a4ac-bt-copy:hover:not(:disabled) {
	background: var(--a4ac-bt-primary-dark);
	color: #fff;
}

.a4ac-bt-tip {
	margin: 13px 0 0;
	color: var(--a4ac-bt-muted);
	font-size: 0.72em;
	line-height: 1.5;
}

@media (max-width: 480px) {
	.a4ac-bpm-tapper {
		padding: 18px 14px;
	}

	.a4ac-bt-value {
		font-size: 3.65em;
	}

	.a4ac-bt-pad {
		width: 184px;
		height: 184px;
	}

	.a4ac-bt-actions {
		gap: 6px;
	}

	.a4ac-bt-actions button {
		padding-inline: 6px;
		font-size: 0.76em;
	}
}

@media (prefers-reduced-motion: reduce) {
	.a4ac-bt-pad,
	.a4ac-bt-meter span {
		transition: none;
	}
}