/**
 * BioLabDirect Earnings Calculator — frontend styles
 */

.bld-calculator {
	--bld-blue: #2563eb;
	--bld-blue-soft: #dbeafe;
	--bld-navy: #0f172a;
	--bld-muted: #64748b;
	--bld-track: #e2e8f0;
	--bld-result-bg: #f1f5f9;
	--bld-border: #e2e8f0;
	--bld-radius: 16px;
	--bld-shadow: 0 4px 24px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.04);

	box-sizing: border-box;
	max-width: 480px;
	width: 100%;
	margin: 0 auto;
	padding: 28px 28px 24px;
	background: #ffffff;
	border: 1px solid var(--bld-border);
	border-radius: var(--bld-radius);
	box-shadow: var(--bld-shadow);
	font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
	color: var(--bld-navy);
	line-height: 1.4;
	-webkit-font-smoothing: antialiased;
}

.bld-calculator *,
.bld-calculator *::before,
.bld-calculator *::after {
	box-sizing: border-box;
}

.bld-calculator__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 28px;
}

.bld-calculator__title-row {
	display: flex;
	align-items: center;
	gap: 10px;
	min-width: 0;
}

.bld-calculator__icon {
	display: inline-flex;
	flex-shrink: 0;
	color: var(--bld-blue);
}

.bld-calculator__icon svg {
	display: block;
}

.bld-calculator__title {
	margin: 0;
	font-size: 1.375rem;
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--bld-navy);
	line-height: 1.25;
}

.bld-calculator__badge {
	flex-shrink: 0;
	display: inline-block;
	padding: 6px 12px;
	font-size: 0.8125rem;
	font-weight: 500;
	color: var(--bld-muted);
	background: #f1f5f9;
	border-radius: 999px;
	white-space: nowrap;
}

.bld-calculator__controls {
	display: flex;
	flex-direction: column;
	gap: 22px;
}

.bld-calculator__field-header {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 10px;
}

.bld-calculator__field--static .bld-calculator__field-header {
	margin-bottom: 0;
}

.bld-calculator__label {
	margin: 0;
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--bld-muted);
}

.bld-calculator__value {
	font-size: 0.9375rem;
	font-weight: 700;
	color: var(--bld-navy);
	font-variant-numeric: tabular-nums;
}

.bld-calculator__value--accent {
	color: var(--bld-blue);
}

/* Range slider */
.bld-calculator__slider {
	-webkit-appearance: none;
	appearance: none;
	width: 100%;
	height: 8px;
	margin: 0;
	padding: 0;
	border-radius: 999px;
	background: var(--bld-track);
	outline: none;
	cursor: pointer;
	/* Fill progress via CSS variable set by JS */
	background: linear-gradient(
		to right,
		var(--bld-blue) 0%,
		var(--bld-blue) var(--bld-progress, 0%),
		var(--bld-track) var(--bld-progress, 0%),
		var(--bld-track) 100%
	);
}

.bld-calculator__slider::-webkit-slider-runnable-track {
	height: 8px;
	border-radius: 999px;
	background: transparent;
}

.bld-calculator__slider::-moz-range-track {
	height: 8px;
	border-radius: 999px;
	background: transparent;
	border: none;
}

.bld-calculator__slider::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 22px;
	height: 22px;
	margin-top: -7px;
	border-radius: 50%;
	background: var(--bld-blue);
	border: 3px solid #ffffff;
	box-shadow:
		0 0 0 4px var(--bld-blue-soft),
		0 1px 3px rgba(37, 99, 235, 0.35);
	cursor: grab;
	transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.bld-calculator__slider::-moz-range-thumb {
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: var(--bld-blue);
	border: 3px solid #ffffff;
	box-shadow:
		0 0 0 4px var(--bld-blue-soft),
		0 1px 3px rgba(37, 99, 235, 0.35);
	cursor: grab;
	transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.bld-calculator__slider:active::-webkit-slider-thumb,
.bld-calculator__slider:focus-visible::-webkit-slider-thumb {
	cursor: grabbing;
	transform: scale(1.06);
	box-shadow:
		0 0 0 5px var(--bld-blue-soft),
		0 2px 6px rgba(37, 99, 235, 0.4);
}

.bld-calculator__slider:active::-moz-range-thumb,
.bld-calculator__slider:focus-visible::-moz-range-thumb {
	cursor: grabbing;
	transform: scale(1.06);
	box-shadow:
		0 0 0 5px var(--bld-blue-soft),
		0 2px 6px rgba(37, 99, 235, 0.4);
}

.bld-calculator__slider:focus-visible {
	outline: none;
}

.bld-calculator__slider::-moz-focus-outer {
	border: 0;
}

/* Result */
.bld-calculator__result {
	margin-top: 28px;
	padding: 22px 20px;
	text-align: center;
	background: var(--bld-result-bg);
	border-radius: 12px;
}

.bld-calculator__result-label {
	margin: 0 0 6px;
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--bld-muted);
}

.bld-calculator__result-amount {
	margin: 0;
	font-size: 2.5rem;
	font-weight: 800;
	letter-spacing: -0.03em;
	color: var(--bld-navy);
	font-variant-numeric: tabular-nums;
	line-height: 1.1;
}

.bld-calculator__currency {
	color: #94a3b8;
	font-weight: 700;
	margin-right: 1px;
}

@media (max-width: 480px) {
	.bld-calculator {
		padding: 22px 18px 18px;
	}

	.bld-calculator__title {
		font-size: 1.2rem;
	}

	.bld-calculator__result-amount {
		font-size: 2.125rem;
	}

	.bld-calculator__header {
		flex-wrap: wrap;
	}
}