:root {
	--primary: #2e3fb1;
	--border-color: #e2e8f0;
	--text-main: #1e293b;
	--text-muted: #64748b;
	--input-bg: #e0f2fe;
	--result-box-bg: #e0f2fe;
}

.calc-tool-container { max-width: 700px; margin: 0 auto; }

.calc-card {
	background: white;
	border: 1px solid var(--border-color);
	border-radius: 12px;
	padding: 24px;
	margin-bottom: 24px;
}

.calc-card-title {
	text-align: center;
	padding: 20px 24px;
}

.calc-main-title {
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--text-main);
	margin: 0 0 8px 0;
}

.calc-subtitle {
	font-size: 0.9rem;
	color: var(--text-muted);
	margin: 0;
}

.month-selector {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 20px;
}

.month-btn {
	padding: 8px 14px;
	background: #f1f5f9;
	border: 1px solid var(--border-color);
	border-radius: 8px;
	font-size: 0.875rem;
	color: var(--text-main);
	cursor: pointer;
}

.month-btn:hover {
	background: #e2e8f0;
}

.month-btn.active {
	background: var(--primary);
	border-color: var(--primary);
	color: white;
}

.month-details {
	position: relative;
	min-height: 120px;
}

.month-detail {
	display: none;
	padding: 0;
}

.month-detail.active {
	display: block;
}

.result-boxes {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 12px;
	margin-bottom: 16px;
}

.result-box {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-width: 110px;
	padding: 16px 20px;
	background: var(--result-box-bg);
	border-radius: 10px;
	border: 1px solid #bae6fd;
}

.result-box .result-value {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--text-main);
	line-height: 1.2;
}

.result-box .result-unit {
	font-size: 0.8rem;
	color: var(--text-muted);
	margin-top: 4px;
}

.month-holidays {
	font-size: 0.9rem;
	color: var(--text-muted);
	text-align: center;
}

.calc-summary h3 {
	font-size: 1rem;
	color: var(--text-muted);
	margin-bottom: 16px;
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.summary-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 10px 0;
	border-bottom: 1px solid var(--border-color);
}

.summary-row:last-child {
	border-bottom: none;
}

.summary-label {
	color: var(--text-main);
}

.calc-info {
	font-size: 0.85rem;
	color: var(--text-muted);
	margin-top: 16px;
	padding-top: 16px;
	border-top: 1px solid var(--border-color);
}