/* Công cụ tính công suất điều hòa VRV */
.vrv-calc {
	--vrv-primary: #0069b4;
	max-width: 900px;
	margin: 0 auto;
	padding: 20px;
	border: 1px solid #e3e3e3;
	border-radius: 8px;
	background: #fafcff;
}

.vrv-calc-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 14px;
	margin-bottom: 20px;
}

.vrv-calc label {
	display: flex;
	flex-direction: column;
	font-weight: 600;
	font-size: 14px;
	gap: 4px;
}

.vrv-calc select,
.vrv-calc input {
	padding: 8px 10px;
	border: 1px solid #ccc;
	border-radius: 4px;
	font-weight: 400;
	background: #fff;
}

.vrv-room {
	display: grid;
	grid-template-columns: 1.4fr 1.2fr 0.7fr 1.1fr 1.2fr auto;
	gap: 8px;
	align-items: center;
	margin-bottom: 8px;
}

.vrv-room-remove {
	border: none;
	background: #eee;
	color: #c00;
	font-size: 18px;
	line-height: 1;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	cursor: pointer;
}

.vrv-add-room {
	margin: 6px 0 18px;
}

.vrv-calc-btn {
	background: var(--vrv-primary) !important;
	color: #fff !important;
	padding: 12px 28px;
	font-size: 16px;
}

.vrv-table-wrap {
	overflow-x: auto;
}

.vrv-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
}

.vrv-table th,
.vrv-table td {
	border: 1px solid #ddd;
	padding: 8px 10px;
	text-align: left;
}

.vrv-table th {
	background: var(--vrv-primary);
	color: #fff;
}

.vrv-summary {
	font-size: 16px;
}

.vrv-disclaimer {
	font-size: 13px;
	color: #666;
	background: #fff7e6;
	border-left: 3px solid #f0a500;
	padding: 10px 14px;
}

.vrv-lead {
	margin-top: 24px;
	padding: 20px;
	background: #eef6fd;
	border-radius: 8px;
}

@media (max-width: 700px) {
	.vrv-room {
		grid-template-columns: 1fr 1fr;
	}
	.vrv-room .vrv-room-name {
		grid-column: 1 / -1;
	}
}