.wosc-calculator {
	--wosc-bg: #f4f6f8;
	--wosc-surface: #ffffff;
	--wosc-surface-2: #eef1f5;
	--wosc-text: #1d2327;
	--wosc-muted: #5f6b7a;
	--wosc-border: #d8dee7;
	--wosc-accent: #3d4f63;
	--wosc-accent-2: #6c7f95;
	--wosc-focus: #0a7cff;
	--wosc-danger: #9b1c1c;
	--wosc-warning: #8a5d00;
	--wosc-ok: #166534;
	--wosc-shadow: 0 18px 50px rgba(24, 34, 48, 0.14);
	box-sizing: border-box;
	max-width: 1180px;
	margin: 0 auto;
	padding: 16px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	color: var(--wosc-text);
}

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

.wosc-calculator.wosc-theme-dark,
.wosc-calculator[data-wosc-active-theme="dark"] {
	--wosc-bg: #101418;
	--wosc-surface: #171d24;
	--wosc-surface-2: #222a33;
	--wosc-text: #f2f5f8;
	--wosc-muted: #b8c0ca;
	--wosc-border: #35404d;
	--wosc-accent: #d4d9df;
	--wosc-accent-2: #9ca8b6;
	--wosc-focus: #74b4ff;
	--wosc-danger: #ffb4b4;
	--wosc-warning: #ffe08a;
	--wosc-ok: #8ee6a8;
	--wosc-shadow: 0 18px 60px rgba(0, 0, 0, 0.42);
}

.wosc-shell {
	background: linear-gradient(135deg, var(--wosc-bg), var(--wosc-surface-2));
	border: 1px solid var(--wosc-border);
	border-radius: 28px;
	box-shadow: var(--wosc-shadow);
	padding: 18px;
	overflow: hidden;
}

.wosc-topbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	margin-bottom: 16px;
	padding: 8px 4px 14px;
}

.wosc-eyebrow {
	margin: 0 0 6px;
	font-size: 0.76rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	font-weight: 800;
	color: var(--wosc-muted);
}

.wosc-topbar h2,
.wosc-section-heading h3 {
	margin: 0;
	line-height: 1.15;
	color: var(--wosc-text);
}

.wosc-topbar h2 {
	font-size: clamp(1.45rem, 4vw, 2.45rem);
	font-weight: 850;
}

.wosc-theme-toggle,
.wosc-btn {
	appearance: none;
	border: 1px solid var(--wosc-border);
	border-radius: 999px;
	background: var(--wosc-surface);
	color: var(--wosc-text);
	font-weight: 750;
	cursor: pointer;
	transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.wosc-theme-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 44px;
	padding: 10px 14px;
	white-space: nowrap;
}

.wosc-theme-toggle:hover,
.wosc-btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.wosc-theme-toggle:focus-visible,
.wosc-btn:focus-visible,
.wosc-calculator input:focus-visible,
.wosc-calculator select:focus-visible,
.wosc-summary:focus-visible {
	outline: 3px solid var(--wosc-focus);
	outline-offset: 2px;
}

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

.wosc-panel {
	background: var(--wosc-surface);
	border: 1px solid var(--wosc-border);
	border-radius: 22px;
	padding: 18px;
	min-width: 0;
}

.wosc-section-heading {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 16px;
}

.wosc-icon {
	display: inline-grid;
	place-items: center;
	width: 34px;
	height: 34px;
	border-radius: 11px;
	background: var(--wosc-surface-2);
	color: var(--wosc-accent);
	font-weight: 900;
}

.wosc-field-row {
	display: grid;
	gap: 7px;
	margin-bottom: 14px;
}

.wosc-field-row label {
	font-size: 0.9rem;
	font-weight: 800;
	color: var(--wosc-text);
}

.wosc-calculator input,
.wosc-calculator select {
	width: 100%;
	min-height: 46px;
	border: 1px solid var(--wosc-border);
	border-radius: 14px;
	background: var(--wosc-surface-2);
	color: var(--wosc-text);
	padding: 10px 12px;
	font-size: 1rem;
	line-height: 1.3;
}

.wosc-calculator input[aria-invalid="true"],
.wosc-calculator select[aria-invalid="true"] {
	border-color: var(--wosc-danger);
}

.wosc-two-col,
.wosc-four-col {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0 12px;
}

.wosc-money-input {
	display: flex;
	align-items: center;
	gap: 8px;
}

.wosc-money-input input {
	flex: 1 1 auto;
	min-width: 0;
}

.wosc-money-input span {
	flex: 0 0 auto;
	font-size: 0.84rem;
	font-weight: 800;
	color: var(--wosc-muted);
}

.wosc-alert {
	min-height: 24px;
	border-radius: 14px;
	padding: 10px 12px;
	background: var(--wosc-surface-2);
	font-size: 0.92rem;
	font-weight: 700;
	color: var(--wosc-muted);
}

.wosc-alert.wosc-alert-danger {
	color: var(--wosc-danger);
}

.wosc-alert.wosc-alert-warning {
	color: var(--wosc-warning);
}

.wosc-alert.wosc-alert-ok {
	color: var(--wosc-ok);
}

.wosc-result-cards {
	display: grid;
	grid-template-columns: 1fr;
	gap: 12px;
	margin-bottom: 14px;
}

.wosc-card-main,
.wosc-card-mini {
	border: 1px solid var(--wosc-border);
	border-radius: 18px;
	padding: 14px;
	background: linear-gradient(135deg, var(--wosc-surface-2), var(--wosc-surface));
}

.wosc-card-main span,
.wosc-card-mini span {
	display: block;
	font-size: 0.82rem;
	font-weight: 850;
	color: var(--wosc-muted);
	margin-bottom: 6px;
}

.wosc-card-main strong,
.wosc-card-mini strong {
	display: block;
	font-variant-numeric: tabular-nums;
	line-height: 1.1;
	color: var(--wosc-text);
}

.wosc-card-main strong {
	font-size: clamp(1.8rem, 7vw, 3rem);
}

.wosc-card-mini strong {
	font-size: clamp(1.05rem, 4vw, 1.38rem);
}

.wosc-summary {
	border: 1px solid var(--wosc-border);
	border-radius: 16px;
	background: var(--wosc-surface-2);
	padding: 12px;
	margin-bottom: 14px;
	font-size: 0.94rem;
	line-height: 1.5;
	color: var(--wosc-text);
}

.wosc-chart-wrap {
	border: 1px solid var(--wosc-border);
	border-radius: 18px;
	background: var(--wosc-surface-2);
	padding: 10px;
	margin-bottom: 14px;
}

.wosc-chart-wrap canvas {
	display: block;
	width: 100%;
	height: auto;
	max-height: 300px;
}

.wosc-table-wrap {
	width: 100%;
	overflow-x: auto;
	border: 1px solid var(--wosc-border);
	border-radius: 18px;
	margin-bottom: 14px;
}

.wosc-breakdown {
	width: 100%;
	border-collapse: collapse;
	min-width: 420px;
	background: var(--wosc-surface);
}

.wosc-breakdown caption {
	text-align: left;
	font-weight: 900;
	padding: 12px 14px;
	color: var(--wosc-text);
}

.wosc-breakdown th,
.wosc-breakdown td {
	padding: 11px 14px;
	border-top: 1px solid var(--wosc-border);
	vertical-align: top;
	font-size: 0.91rem;
}

.wosc-breakdown th {
	text-align: left;
	color: var(--wosc-muted);
	font-weight: 850;
}

.wosc-breakdown td {
	text-align: right;
	font-variant-numeric: tabular-nums;
	color: var(--wosc-text);
	font-weight: 750;
}

.wosc-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.wosc-btn {
	min-height: 44px;
	padding: 10px 14px;
	background: var(--wosc-accent);
	color: #ffffff;
	border-color: var(--wosc-accent);
}

.wosc-btn-secondary {
	background: var(--wosc-surface);
	color: var(--wosc-text);
	border-color: var(--wosc-border);
}

@media (min-width: 560px) {
	.wosc-two-col {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.wosc-four-col {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.wosc-result-cards {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.wosc-card-main {
		grid-column: 1 / -1;
	}
}

@media (min-width: 920px) {
	.wosc-calculator {
		padding: 24px;
	}

	.wosc-shell {
		padding: 24px;
	}

	.wosc-grid {
		grid-template-columns: minmax(340px, 0.82fr) minmax(0, 1.18fr);
		align-items: start;
	}

	.wosc-four-col {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.wosc-result-cards {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.wosc-card-main {
		grid-column: 1 / -1;
	}
}

@media (max-width: 420px) {
	.wosc-topbar {
		align-items: flex-start;
		flex-direction: column;
	}

	.wosc-actions .wosc-btn {
		width: 100%;
	}
}

@media print {
	.wosc-calculator {
		max-width: 100%;
		padding: 0;
	}

	.wosc-theme-toggle,
	.wosc-actions {
		display: none !important;
	}

	.wosc-shell,
	.wosc-panel {
		box-shadow: none;
		border-color: #999;
	}
}