.lbtt-calculator {
	--lbtt-accent: #0b6e4f;
	--lbtt-accent-dark: #094f39;
	--lbtt-border: #d7dde2;
	--lbtt-bg: #ffffff;
	--lbtt-muted: #5c6770;
	--lbtt-radius: 10px;

	max-width: 540px;
	margin: 0 auto;
	padding: 1.5rem;
	background: var(--lbtt-bg);
	border: 1px solid var(--lbtt-border);
	border-radius: var(--lbtt-radius);
	box-shadow: 0 2px 14px rgba(9, 30, 66, 0.06);
	font-size: 16px;
	line-height: 1.5;
	box-sizing: border-box;
}

.lbtt-calculator *,
.lbtt-calculator *::before,
.lbtt-calculator *::after {
	box-sizing: inherit;
}

.lbtt-calculator__title {
	margin: 0 0 1.25rem;
	font-size: 1.4rem;
	color: var(--lbtt-accent-dark);
}

.lbtt-field {
	margin-bottom: 1rem;
}

.lbtt-field > label {
	display: block;
	margin-bottom: 0.35rem;
	font-weight: 600;
}

.lbtt-field--check > label {
	display: flex;
	align-items: flex-start;
	gap: 0.55rem;
	font-weight: 400;
	cursor: pointer;
}

.lbtt-field--check input[type="checkbox"] {
	margin-top: 0.2rem;
	width: 1.05rem;
	height: 1.05rem;
	accent-color: var(--lbtt-accent);
	cursor: pointer;
}

.lbtt-input-prefix {
	display: flex;
	align-items: center;
	border: 1px solid var(--lbtt-border);
	border-radius: 8px;
	overflow: hidden;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.lbtt-input-prefix:focus-within {
	border-color: var(--lbtt-accent);
	box-shadow: 0 0 0 3px rgba(11, 110, 79, 0.15);
}

.lbtt-input-prefix > span {
	padding: 0 0.75rem;
	color: var(--lbtt-muted);
	font-weight: 600;
	background: #f4f6f7;
	align-self: stretch;
	display: flex;
	align-items: center;
}

.lbtt-field__price {
	flex: 1;
	border: 0;
	padding: 0.7rem 0.75rem;
	font-size: 1.05rem;
	outline: none;
	width: 100%;
	background: transparent;
}

.lbtt-calculator__results {
	margin-top: 1.5rem;
	border-top: 1px solid var(--lbtt-border);
	padding-top: 1.25rem;
}

.lbtt-result {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 1rem;
	padding: 0.4rem 0;
}

.lbtt-result__label {
	color: var(--lbtt-muted);
}

.lbtt-result__value {
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.lbtt-result--total {
	margin-bottom: 0.5rem;
	padding: 0.85rem 1rem;
	background: linear-gradient(135deg, var(--lbtt-accent), var(--lbtt-accent-dark));
	border-radius: 8px;
	color: #fff;
}

.lbtt-result--total .lbtt-result__label {
	color: rgba(255, 255, 255, 0.85);
	font-weight: 600;
}

.lbtt-result--total .lbtt-result__value {
	color: #fff;
	font-size: 1.5rem;
}

.lbtt-breakdown {
	width: 100%;
	border-collapse: collapse;
	margin-top: 1rem;
	font-size: 0.9rem;
}

.lbtt-breakdown th,
.lbtt-breakdown td {
	text-align: right;
	padding: 0.5rem 0.4rem;
	border-bottom: 1px solid var(--lbtt-border);
	font-variant-numeric: tabular-nums;
}

.lbtt-breakdown th:first-child,
.lbtt-breakdown td:first-child {
	text-align: left;
}

.lbtt-breakdown th {
	color: var(--lbtt-muted);
	font-weight: 600;
	border-bottom-width: 2px;
}

.lbtt-breakdown__empty {
	text-align: center !important;
	color: var(--lbtt-muted);
	font-style: italic;
}

.lbtt-calculator__disclaimer {
	margin: 1.25rem 0 0;
	font-size: 0.78rem;
	color: var(--lbtt-muted);
	line-height: 1.45;
}

@media (max-width: 480px) {
	.lbtt-calculator {
		padding: 1.1rem;
	}

	.lbtt-result--total .lbtt-result__value {
		font-size: 1.3rem;
	}

	.lbtt-breakdown {
		font-size: 0.82rem;
	}
}