/* ROI Calculator - front-end styles */

.roi-calculator-wrap {
	--roi-primary: #0e6ba8;
	--roi-primary-dark: #0a5586;
	--roi-danger: #c5303a;
	--roi-text: #1f2937;
	--roi-muted: #6b7280;
	--roi-border: #e2e6ea;
	--roi-bg: #ffffff;
	--roi-bg-soft: #f7f9fb;
	--roi-radius: 10px;

	box-sizing: border-box;
	max-width: 900px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--roi-text);
}

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

.roi-calculator {
	background: var(--roi-bg);
	border: 1px solid var(--roi-border);
	border-radius: var(--roi-radius);
	padding: 32px;
	box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

.roi-calc-header {
	margin-bottom: 24px;
}

.roi-calc-title {
	margin: 0 0 6px;
	font-size: 24px;
	font-weight: 700;
	color: var(--roi-text);
}

.roi-calc-subtitle {
	margin: 0;
	color: var(--roi-muted);
	font-size: 14px;
}

.roi-calc-inputs {
	display: grid;
	grid-template-columns: 2fr 1fr auto;
	gap: 16px;
	align-items: end;
	margin-bottom: 8px;
}

.roi-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
	min-width: 0;
}

.roi-field label {
	font-size: 13px;
	font-weight: 600;
	color: var(--roi-text);
}

.roi-procedure-select,
.roi-quantity-input {
	width: 100%;
	padding: 11px 14px;
	font-size: 14px;
	border: 1px solid var(--roi-border);
	border-radius: 8px;
	background-color: #fff;
	color: var(--roi-text);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.roi-procedure-select:focus,
.roi-quantity-input:focus {
	outline: none;
	border-color: var(--roi-primary);
	box-shadow: 0 0 0 3px rgba(14, 107, 168, 0.15);
}

.roi-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 11px 20px;
	font-size: 14px;
	font-weight: 600;
	border-radius: 8px;
	border: none;
	cursor: pointer;
	white-space: nowrap;
	transition: background-color 0.15s ease, transform 0.05s ease;
}

.roi-btn:active {
	transform: translateY(1px);
}

.roi-btn-primary {
	background-color: var(--roi-primary);
	color: #fff;
}

.roi-btn-primary:hover {
	background-color: var(--roi-primary-dark);
}

.roi-validation-message {
	min-height: 20px;
	margin: 8px 0 0;
	font-size: 13.5px;
	font-weight: 600;
}

.roi-validation-message.roi-message-error {
	color: var(--roi-danger);
}

.roi-validation-message.roi-message-info {
	color: var(--roi-primary-dark);
}

.roi-item-count {
	margin: 4px 0 16px;
	font-size: 12.5px;
	color: var(--roi-muted);
}

.roi-table-wrap {
	overflow-x: auto;
	border: 1px solid var(--roi-border);
	border-radius: 8px;
	margin-bottom: 24px;
}

.roi-items-table {
	width: 100%;
	border-collapse: collapse;
	min-width: 520px;
}

.roi-items-table thead th {
	text-align: left;
	font-size: 12.5px;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--roi-muted);
	background: var(--roi-bg-soft);
	padding: 12px 14px;
	border-bottom: 1px solid var(--roi-border);
}

.roi-items-table tbody td {
	padding: 12px 14px;
	font-size: 14px;
	border-bottom: 1px solid var(--roi-border);
	vertical-align: middle;
}

.roi-items-table tbody tr:last-child td {
	border-bottom: none;
}

.roi-empty-row td {
	color: var(--roi-muted);
	text-align: center;
	padding: 22px 14px;
	font-size: 13.5px;
}

.roi-row-qty {
	width: 90px;
	padding: 8px 10px;
	font-size: 14px;
	border: 1px solid var(--roi-border);
	border-radius: 6px;
}

.roi-row-qty:focus {
	outline: none;
	border-color: var(--roi-primary);
	box-shadow: 0 0 0 3px rgba(14, 107, 168, 0.15);
}

.roi-row-total {
	font-weight: 700;
	color: var(--roi-text);
}

.roi-remove-btn {
	background: none;
	border: 1px solid var(--roi-danger);
	color: var(--roi-danger);
	border-radius: 6px;
	padding: 6px 12px;
	font-size: 12.5px;
	font-weight: 600;
	cursor: pointer;
	white-space: nowrap;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.roi-remove-btn:hover {
	background-color: var(--roi-danger);
	color: #fff;
}

.roi-results {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}

.roi-result-box {
	background: var(--roi-bg-soft);
	border: 1px solid var(--roi-border);
	border-radius: 8px;
	padding: 18px 20px;
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.roi-result-box-annual {
	background: #eaf3fb;
	border-color: #cfe3f2;
}

.roi-result-label {
	font-size: 13px;
	font-weight: 600;
	color: var(--roi-muted);
}

.roi-result-value {
	font-size: 26px;
	font-weight: 800;
	color: var(--roi-primary-dark);
}

.roi-roi-section {
	margin-top: 28px;
	padding-top: 24px;
	border-top: 1px solid var(--roi-border);
}

.roi-roi-title {
	margin: 0 0 6px;
	font-size: 18px;
	font-weight: 700;
	color: var(--roi-text);
}

.roi-roi-subtitle {
	margin: 0 0 16px;
	font-size: 13px;
	color: var(--roi-muted);
}

/* Tablet */
@media (max-width: 782px) {
	.roi-calculator {
		padding: 24px;
	}

	.roi-calc-inputs {
		grid-template-columns: 1fr 1fr;
	}

	.roi-field-add {
		grid-column: 1 / -1;
	}

	.roi-btn-primary {
		width: 100%;
	}
}

/* Mobile: stack the table into cards */
@media (max-width: 560px) {
	.roi-calculator {
		padding: 18px;
	}

	.roi-calc-inputs {
		grid-template-columns: 1fr;
	}

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

	.roi-table-wrap {
		border: none;
		overflow: visible;
	}

	.roi-items-table {
		min-width: 0;
	}

	.roi-items-table thead {
		display: none;
	}

	.roi-items-table,
	.roi-items-table tbody,
	.roi-items-table tr,
	.roi-items-table td {
		display: block;
		width: 100%;
	}

	.roi-items-table tbody tr {
		border: 1px solid var(--roi-border);
		border-radius: 8px;
		margin-bottom: 12px;
		padding: 8px 14px;
	}

	.roi-items-table tbody tr.roi-empty-row {
		border: none;
		padding: 0;
	}

	.roi-items-table tbody td {
		display: flex;
		justify-content: space-between;
		align-items: center;
		gap: 12px;
		border-bottom: 1px solid var(--roi-bg-soft);
		padding: 10px 0;
	}

	.roi-items-table tbody tr.roi-empty-row td {
		display: block;
		padding: 22px 0;
	}

	.roi-items-table tbody td:last-child {
		border-bottom: none;
	}

	.roi-items-table tbody td[data-label]::before {
		content: attr(data-label);
		font-size: 12px;
		font-weight: 700;
		text-transform: uppercase;
		letter-spacing: 0.03em;
		color: var(--roi-muted);
	}

	.roi-items-table tbody td[data-label=""]::before {
		content: "";
	}

	.roi-row-qty {
		width: 100px;
	}
}