.tcp-roi-calculator {
	--tcp-roi-primary: #007bc4;
	--tcp-roi-primary-dark: #005a91;
	--tcp-roi-success: #28a745;
	--tcp-roi-dark: #333333;
	--tcp-roi-light: #f8f9fa;
	--tcp-roi-border: #cccccc;
	max-width: 1000px;
	margin: 0 auto;
	background: #ffffff;
	padding: 30px;
	border-radius: 8px;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
	color: var(--tcp-roi-dark);
	line-height: 1.6;
	box-sizing: border-box;
}

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

.tcp-roi-calculator__title {
	color: var(--tcp-roi-primary);
	text-align: center;
	margin: 0 0 30px;
	padding-bottom: 15px;
	border-bottom: 2px solid var(--tcp-roi-light);
	font-size: 1.75rem;
	line-height: 1.3;
}

.tcp-roi-calculator__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 30px;
}

.tcp-roi-calculator__section {
	font-size: 1.2rem;
	color: var(--tcp-roi-primary-dark);
	margin: 0 0 15px;
	padding-bottom: 5px;
	border-bottom: 1px solid var(--tcp-roi-border);
	font-weight: 600;
	line-height: 1.4;
}

.tcp-roi-calculator__section--results {
	color: var(--tcp-roi-dark);
	border-bottom-color: #dddddd;
}

.tcp-roi-calculator__group {
	margin-bottom: 15px;
}

.tcp-roi-calculator__group label {
	display: block;
	margin-bottom: 5px;
	font-weight: 500;
	font-size: 0.95rem;
}

.tcp-roi-calculator input.tcp-roi-calculator__field {
	display: block;
	width: 100%;
	max-width: 100%;
	margin: 0;
	padding: 10px;
	border: 1px solid var(--tcp-roi-border);
	border-radius: 4px;
	background: #ffffff;
	color: var(--tcp-roi-dark);
	font-size: 1rem;
	line-height: 1.4;
	box-shadow: none;
}

.tcp-roi-calculator input.tcp-roi-calculator__field:focus {
	outline: none;
	border-color: var(--tcp-roi-primary);
	box-shadow: 0 0 5px rgba(0, 123, 196, 0.3);
}

.tcp-roi-calculator__results {
	background-color: var(--tcp-roi-light);
	border-left: 5px solid var(--tcp-roi-primary);
	padding: 20px;
	border-radius: 4px;
	height: fit-content;
}

.tcp-roi-calculator__row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 16px;
	padding: 12px 0;
	border-bottom: 1px solid #e9ecef;
}

.tcp-roi-calculator__row:last-child {
	border-bottom: none;
}

.tcp-roi-calculator__label {
	font-weight: 500;
}

.tcp-roi-calculator__value {
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--tcp-roi-dark);
	text-align: right;
}

.tcp-roi-calculator__value--highlight {
	color: var(--tcp-roi-success);
	font-size: 1.5rem;
}

.tcp-roi-calculator button.tcp-roi-calculator__button {
	display: block;
	width: 100%;
	margin: 20px 0 0;
	padding: 12px;
	background-color: var(--tcp-roi-primary);
	color: #ffffff;
	border: none;
	border-radius: 4px;
	font-size: 1.1rem;
	font-weight: 600;
	line-height: 1.4;
	letter-spacing: 0;
	text-transform: none;
	cursor: pointer;
	appearance: none;
	box-shadow: none;
}

.tcp-roi-calculator button.tcp-roi-calculator__button:hover,
.tcp-roi-calculator button.tcp-roi-calculator__button:focus {
	background-color: var(--tcp-roi-primary-dark);
	color: #ffffff;
}

.tcp-roi-calculator__note {
	text-align: center;
	font-size: 0.85rem;
	color: #777777;
	margin: 30px 0 0;
}

@media (max-width: 768px) {
	.tcp-roi-calculator {
		padding: 20px;
	}

	.tcp-roi-calculator__grid {
		grid-template-columns: 1fr;
	}

	.tcp-roi-calculator__row {
		align-items: flex-start;
		flex-direction: column;
		gap: 4px;
	}

	.tcp-roi-calculator__value {
		text-align: left;
	}
}