/* BCF brand sound — fixed floater; reserved box → no document CLS */
.bcf-sound {
	--bcf-s-bg: #0f172a;
	--bcf-s-accent: #3b82f6;
	--bcf-s-text: #f8fafc;
	--bcf-s-muted: #94a3b8;
	position: fixed;
	left: 16px;
	bottom: 24px;
	z-index: 998;
	width: 220px;
	min-height: 44px;
	font-family: "Open Sans", system-ui, sans-serif;
	pointer-events: none;
	contain: layout style;
}

.bcf-sound > * {
	pointer-events: auto;
}

.bcf-sound__trigger {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	height: 44px;
	max-width: 100%;
	padding: 0 14px;
	border: 0;
	border-radius: 999px;
	background: var(--bcf-s-bg);
	color: var(--bcf-s-text);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.04em;
	cursor: pointer;
	box-shadow: 0 8px 24px rgba(15, 23, 42, 0.28);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	-webkit-tap-highlight-color: transparent;
}

.bcf-sound__trigger:hover,
.bcf-sound__trigger:focus-visible {
	transform: translateY(-1px);
	box-shadow: 0 10px 28px rgba(30, 64, 175, 0.35);
	outline: none;
}

.bcf-sound__trigger:focus-visible {
	box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.45), 0 10px 28px rgba(30, 64, 175, 0.35);
}

.bcf-sound__icon {
	color: var(--bcf-s-accent);
	font-size: 14px;
	line-height: 1;
}

.bcf-sound.is-open .bcf-sound__trigger {
	visibility: hidden;
	pointer-events: none;
	position: absolute;
}

.bcf-sound__panel {
	position: absolute;
	left: 0;
	bottom: 0;
	width: 220px;
	min-height: 112px;
	padding: 12px 12px 10px;
	border-radius: 16px;
	background: var(--bcf-s-bg);
	color: var(--bcf-s-text);
	box-shadow: 0 12px 32px rgba(15, 23, 42, 0.35);
	box-sizing: border-box;
}

.bcf-sound__panel[hidden] {
	display: none !important;
}

.bcf-sound__meta {
	display: flex;
	align-items: flex-start;
	gap: 8px;
	margin-bottom: 10px;
}

.bcf-sound__live {
	flex: 0 0 auto;
	margin-top: 2px;
	color: var(--bcf-s-accent);
	font-size: 14px;
	animation: bcf-sound-pulse 1.6s ease-in-out infinite;
}

.bcf-sound__text {
	display: flex;
	flex-direction: column;
	gap: 2px;
	min-width: 0;
}

.bcf-sound__status {
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.08em;
	color: var(--bcf-s-muted);
	text-transform: uppercase;
}

.bcf-sound__title {
	font-size: 11px;
	font-weight: 700;
	line-height: 1.25;
	letter-spacing: 0.02em;
	white-space: normal;
	overflow: hidden;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}

.bcf-sound__progress {
	display: grid;
	grid-template-columns: 32px 1fr 32px;
	align-items: center;
	gap: 6px;
	margin-bottom: 8px;
}

.bcf-sound__time {
	font-size: 10px;
	font-variant-numeric: tabular-nums;
	color: var(--bcf-s-muted);
	text-align: center;
}

.bcf-sound__seek {
	-webkit-appearance: none;
	appearance: none;
	width: 100%;
	height: 4px;
	border-radius: 999px;
	background: #334155;
	outline: none;
	cursor: pointer;
	margin: 0;
	padding: 0;
}

.bcf-sound__seek::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--bcf-s-accent);
	border: 0;
	cursor: pointer;
}

.bcf-sound__seek::-moz-range-thumb {
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--bcf-s-accent);
	border: 0;
	cursor: pointer;
}

.bcf-sound__controls {
	display: flex;
	align-items: center;
	gap: 6px;
}

.bcf-sound__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 32px;
	border: 0;
	border-radius: 10px;
	background: #1e293b;
	color: var(--bcf-s-text);
	font-size: 12px;
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
}

.bcf-sound__btn:hover,
.bcf-sound__btn:focus-visible {
	background: #334155;
	outline: none;
}

.bcf-sound__btn--close {
	margin-left: auto;
	font-size: 18px;
	line-height: 1;
	color: var(--bcf-s-muted);
}

.bcf-sound__pause-icon {
	font-size: 10px;
	letter-spacing: -1px;
}

@keyframes bcf-sound-pulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.45; }
}

@media (max-width: 480px) {
	.bcf-sound {
		left: 12px;
		bottom: 20px;
		width: 200px;
	}

	.bcf-sound__panel {
		width: 200px;
	}

	.bcf-sound__trigger {
		font-size: 11px;
		padding: 0 12px;
	}

	.bcf-sound__title {
		font-size: 11px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.bcf-sound__live {
		animation: none;
	}

	.bcf-sound__trigger {
		transition: none;
	}
}