.mcs-calculator {
	--mcs-bg: #ffffff;
	--mcs-surface: #f6f8fb;
	--mcs-text: #162033;
	--mcs-muted: #5f6b7a;
	--mcs-border: #d9e0e8;
	--mcs-accent: #1769aa;
	--mcs-accent-hover: #0f568e;
	--mcs-danger: #a12622;
	--mcs-danger-bg: #fff1f0;
	--mcs-success-bg: #edf8f2;
	--mcs-radius: 16px;
	color: var(--mcs-text);
	font: inherit;
	line-height: 1.5;
	margin: 1.5rem 0;
}

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

.mcs-card {
	background: var(--mcs-bg);
	border: 1px solid var(--mcs-border);
	border-radius: var(--mcs-radius);
	box-shadow: 0 12px 35px rgba(22, 32, 51, 0.08);
	overflow: hidden;
	padding: clamp(1rem, 3vw, 2rem);
}

.mcs-header {
	border-bottom: 1px solid var(--mcs-border);
	margin-bottom: 1.25rem;
	padding-bottom: 1rem;
}

.mcs-title {
	color: var(--mcs-text);
	font-size: clamp(1.35rem, 3vw, 1.9rem);
	line-height: 1.2;
	margin: 0 0 0.45rem;
}

.mcs-description,
.mcs-note,
.mcs-field small {
	color: var(--mcs-muted);
}

.mcs-description {
	margin: 0;
}

.mcs-grid {
	display: grid;
	gap: 1rem;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mcs-field {
	min-width: 0;
}

.mcs-field label {
	display: block;
	font-weight: 700;
	margin-bottom: 0.35rem;
}

.mcs-field input,
.mcs-field select {
	appearance: none;
	background: #fff;
	border: 1px solid var(--mcs-border);
	border-radius: 10px;
	color: var(--mcs-text);
	font: inherit;
	min-height: 46px;
	padding: 0.7rem 0.8rem;
	width: 100%;
}

.mcs-field select {
	background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
	background-position: calc(100% - 17px) 19px, calc(100% - 12px) 19px;
	background-repeat: no-repeat;
	background-size: 5px 5px, 5px 5px;
	padding-right: 2.3rem;
}

.mcs-field input:focus,
.mcs-field select:focus {
	border-color: var(--mcs-accent);
	box-shadow: 0 0 0 3px rgba(23, 105, 170, 0.16);
	outline: none;
}

.mcs-field small {
	display: block;
	font-size: 0.8rem;
	margin-top: 0.35rem;
}

.mcs-input-wrap {
	position: relative;
}

.mcs-input-wrap:has(.mcs-unit) input {
	padding-right: 5.8rem;
}

.mcs-unit {
	background: var(--mcs-surface);
	border-left: 1px solid var(--mcs-border);
	border-radius: 0 10px 10px 0;
	color: var(--mcs-muted);
	font-size: 0.83rem;
	font-weight: 700;
	max-width: 5.3rem;
	overflow: hidden;
	padding: 0.42rem 0.65rem;
	pointer-events: none;
	position: absolute;
	right: 1px;
	text-overflow: ellipsis;
	top: 50%;
	transform: translateY(-50%);
	white-space: nowrap;
}

.mcs-formula,
.mcs-warning {
	background: var(--mcs-surface);
	border-left: 4px solid var(--mcs-accent);
	border-radius: 8px;
	font-size: 0.9rem;
	margin: 1.25rem 0 0;
	padding: 0.8rem 1rem;
}

.mcs-warning {
	border-left-color: #b76e00;
}

.mcs-feedback {
	background: var(--mcs-danger-bg);
	border: 1px solid #f1b8b5;
	border-radius: 10px;
	color: var(--mcs-danger);
	font-weight: 600;
	margin-top: 1rem;
	padding: 0.8rem 1rem;
}

.mcs-result {
	background: var(--mcs-surface);
	border: 1px solid var(--mcs-border);
	border-radius: 12px;
	margin-top: 1.25rem;
	padding: 1rem;
}

.mcs-result.is-ready {
	background: var(--mcs-success-bg);
}

.mcs-result-label {
	color: var(--mcs-muted);
	display: block;
	font-size: 0.78rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	margin-bottom: 0.2rem;
	text-transform: uppercase;
}

.mcs-result-main {
	display: block;
	font-size: clamp(1.25rem, 3vw, 1.8rem);
	line-height: 1.25;
}

.mcs-result-list {
	display: grid;
	gap: 0.45rem;
	margin: 0.9rem 0 0;
}

.mcs-result-list > div {
	align-items: baseline;
	border-top: 1px solid rgba(95, 107, 122, 0.2);
	display: flex;
	gap: 1rem;
	justify-content: space-between;
	padding-top: 0.45rem;
}

.mcs-result-list dt,
.mcs-result-list dd {
	margin: 0;
}

.mcs-result-list dt {
	color: var(--mcs-muted);
}

.mcs-result-list dd {
	font-weight: 700;
	text-align: right;
}

.mcs-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.7rem;
	margin-top: 1rem;
}

.mcs-button {
	background: var(--mcs-accent);
	border: 1px solid var(--mcs-accent);
	border-radius: 10px;
	color: #fff;
	cursor: pointer;
	font: inherit;
	font-weight: 800;
	min-height: 44px;
	padding: 0.65rem 1.1rem;
}

.mcs-button:hover,
.mcs-button:focus-visible {
	background: var(--mcs-accent-hover);
	border-color: var(--mcs-accent-hover);
}

.mcs-button-secondary {
	background: transparent;
	color: var(--mcs-accent);
}

.mcs-button-secondary:hover,
.mcs-button-secondary:focus-visible {
	color: #fff;
}

.mcs-note {
	font-size: 0.78rem;
	margin: 1rem 0 0;
}

.mcs-calculator [hidden] {
	display: none !important;
}

@media (max-width: 680px) {
	.mcs-grid {
		grid-template-columns: 1fr;
	}

	.mcs-result-list > div {
		align-items: flex-start;
		flex-direction: column;
		gap: 0.1rem;
	}

	.mcs-result-list dd {
		text-align: left;
	}

	.mcs-button {
		flex: 1 1 10rem;
	}
}

@media (prefers-reduced-motion: no-preference) {
	.mcs-button,
	.mcs-field input,
	.mcs-field select {
		transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
	}
}