.brine-calc-visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.brine-calc-page {
	max-width: var(--content-max, 1000px);
	margin: 0 auto;
	padding: 0 16px 40px;
	box-sizing: border-box;
	text-align: left;
}

.brine-calc-page h1 {
	text-align: center;
	color: #4caf50;
	font-size: 1.75rem;
	margin: 24px 0 8px;
	line-height: 1.25;
}

.brine-calc-lede {
	text-align: center;
	font-size: 18px;
	color: #63666a;
	margin: 0 auto 24px;
	max-width: 40rem;
	line-height: 1.4;
}

.brine-calc-layout {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.brine-calc-panel,
.brine-calc-results {
	background: #f9f9f9;
	border: 1px solid #e2e2e2;
	border-radius: 8px;
	padding: 20px 16px;
	box-sizing: border-box;
}

.brine-calc-panel h2,
.brine-calc-results h2,
.brine-calc-content h2 {
	color: #4caf50;
	font-size: 1.35rem;
	margin: 0 0 16px;
	text-align: center;
}

.brine-calc-field {
	margin-bottom: 16px;
}

.brine-calc-field label {
	display: block;
	font-weight: bold;
	color: #28211d;
	margin-bottom: 6px;
	font-size: 16px;
}

.brine-calc-field .brine-calc-hint {
	display: block;
	font-weight: normal;
	font-size: 14px;
	color: #63666a;
	margin-top: 4px;
}

.brine-calc-row {
	display: flex;
	gap: 10px;
	align-items: stretch;
}

.brine-calc-row input[type="number"] {
	flex: 1 1 0;
	min-width: 8.5rem;
	width: auto;
}

.brine-calc-row select {
	flex: 0 0 8.5rem;
	min-width: 8.5rem;
	width: 8.5rem;
	max-width: 40%;
}

.brine-calc-panel input[type="number"],
.brine-calc-panel select {
	width: 100%;
	padding: 14px 12px;
	font-size: 18px;
	border: 1px solid #bbb;
	border-radius: 6px;
	box-sizing: border-box;
	min-height: 48px;
	background: #fff;
	color: #28211d;
}

.brine-calc-panel input[type="number"] {
	/* Keep typed values visible beside spinner controls */
	padding-right: 8px;
	-moz-appearance: textfield;
	appearance: textfield;
}

.brine-calc-panel input[type="number"]::-webkit-outer-spin-button,
.brine-calc-panel input[type="number"]::-webkit-inner-spin-button {
	margin: 0;
}

.brine-calc-panel input[readonly] {
	background: #eee;
	color: #333;
}

.brine-calc-advanced {
	margin-top: 8px;
	border-top: 1px solid #ddd;
	padding-top: 8px;
}

.brine-calc-advanced summary {
	cursor: pointer;
	font-weight: bold;
	font-size: 16px;
	color: #28211d;
	padding: 12px 4px;
	min-height: 44px;
	list-style-position: outside;
}

.brine-calc-advanced summary:focus {
	outline: 2px solid #4caf50;
	outline-offset: 2px;
}

.brine-calc-advanced[open] summary {
	margin-bottom: 8px;
}

.brine-calc-stat {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 12px;
	padding: 12px 0;
	border-bottom: 1px solid #e2e2e2;
}

.brine-calc-stat:last-of-type {
	border-bottom: none;
}

.brine-calc-stat-label {
	font-size: 16px;
	color: #63666a;
	flex: 1 1 auto;
}

.brine-calc-stat-value {
	font-size: 1.35rem;
	font-weight: bold;
	color: #28211d;
	text-align: right;
	white-space: nowrap;
}

.brine-calc-savings {
	font-size: 1.1rem;
	font-weight: bold;
	text-align: right;
	line-height: 1.35;
	white-space: normal;
	max-width: 16rem;
}

.brine-calc-savings--positive {
	color: #4caf50;
}

.brine-calc-savings--neutral {
	color: #63666a;
	font-weight: normal;
	font-size: 15px;
}

.brine-calc-pricing-note {
	font-size: 14px;
	color: #63666a;
	margin: 4px 0 16px;
	line-height: 1.4;
}

.brine-calc-cta {
	display: flex;
	flex-direction: column;
	gap: 12px;
	margin-top: 8px;
}

.brine-calc-quote {
	display: block;
	text-align: center;
	background-color: #4caf50;
	color: #fff;
	text-decoration: none;
	padding: 16px 20px;
	border-radius: 8px;
	font-size: 18px;
	font-weight: bold;
	min-height: 48px;
	box-sizing: border-box;
	line-height: 1.3;
}

.brine-calc-quote:hover {
	background-color: #3d8b40;
}

.brine-calc-phone {
	display: block;
	text-align: center;
	font-size: 18px;
	font-weight: bold;
	color: #28211d;
	text-decoration: none;
	padding: 14px 16px;
	border: 2px solid #4caf50;
	border-radius: 8px;
	min-height: 48px;
	box-sizing: border-box;
}

.brine-calc-phone:hover {
	background: rgba(76, 175, 80, 0.1);
}

.brine-calc-content {
	margin-top: 36px;
	padding-top: 8px;
}

.brine-calc-content p,
.brine-calc-content li {
	font-size: 18px;
	color: #63666a;
	line-height: 1.45;
}

.brine-calc-content ul {
	padding-left: 1.25rem;
}

.brine-calc-content a {
	color: #4caf50;
	font-weight: bold;
}

.brine-calc-table-wrap {
	overflow-x: auto;
	margin: 16px 0;
}

.brine-calc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 16px;
	color: #63666a;
}

.brine-calc-table th,
.brine-calc-table td {
	border: 1px solid #ddd;
	padding: 12px 10px;
	text-align: left;
}

.brine-calc-table th {
	background: #f0f0f0;
	color: #28211d;
}

.brine-calc-disclaimer {
	font-size: 15px !important;
	font-style: italic;
	margin-top: 24px;
}

@media only screen and (min-width: 800px) {
	.brine-calc-page h1 {
		font-size: 2rem;
	}

	.brine-calc-layout {
		flex-direction: row;
		align-items: flex-start;
	}

	.brine-calc-panel,
	.brine-calc-results {
		flex: 1 1 0;
		padding: 24px;
	}

	.brine-calc-cta {
		flex-direction: row;
		align-items: stretch;
	}

	.brine-calc-quote,
	.brine-calc-phone {
		flex: 1 1 0;
		display: flex;
		align-items: center;
		justify-content: center;
	}
}