.fwlc-calculator,
.fwlc-calculator * {
	box-sizing: border-box;
}

.fwlc-calculator {
	--fwlc-bg: #f4f6f8;
	--fwlc-card: #ffffff;
	--fwlc-text: #1f2937;
	--fwlc-muted: #667085;
	--fwlc-border: #d9dee7;
	--fwlc-soft: #eef2f7;
	--fwlc-primary: #3f4652;
	--fwlc-primary-strong: #252b35;
	--fwlc-accent: #4b5563;
	--fwlc-success: #1f7a4d;
	--fwlc-danger: #b42318;
	--fwlc-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
	color: var(--fwlc-text);
	line-height: 1.5;
	width: 100%;
	max-width: 100%;
	margin: 0 auto;
}

.fwlc-calculator.fwlc-dark {
	--fwlc-bg: #151922;
	--fwlc-card: #202633;
	--fwlc-text: #f6f7f9;
	--fwlc-muted: #b8c0cc;
	--fwlc-border: #384152;
	--fwlc-soft: #2b3341;
	--fwlc-primary: #d7dde8;
	--fwlc-primary-strong: #ffffff;
	--fwlc-accent: #cbd5e1;
	--fwlc-success: #54d18b;
	--fwlc-danger: #ff8b7d;
	--fwlc-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.fwlc-shell {
	background: linear-gradient(135deg, var(--fwlc-bg), var(--fwlc-soft));
	border: 1px solid var(--fwlc-border);
	border-radius: 28px;
	box-shadow: var(--fwlc-shadow);
	padding: clamp(18px, 3vw, 34px);
	width: 100%;
	max-width: 1180px;
	margin: 0 auto;
	overflow: hidden;
}

.fwlc-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 18px;
	margin-bottom: 22px;
}

.fwlc-eyebrow {
	margin: 0 0 6px;
	font-size: 0.78rem;
	font-weight: 800;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	color: var(--fwlc-muted);
}

.fwlc-header h2,
.fwlc-result-card h3 {
	margin: 0;
	font-size: clamp(1.75rem, 3.2vw, 3rem);
	line-height: 1.05;
	color: var(--fwlc-primary-strong);
}

.fwlc-subtitle {
	margin: 10px 0 0;
	max-width: 760px;
	color: var(--fwlc-muted);
	font-size: 1rem;
}

.fwlc-theme-toggle,
.fwlc-btn {
	-webkit-appearance: none;
	appearance: none;
	border: 1px solid var(--fwlc-border);
	border-radius: 999px;
	background: var(--fwlc-card);
	color: var(--fwlc-text);
	padding: 11px 16px;
	font-weight: 800;
	font-size: 0.92rem;
	cursor: pointer;
	transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.fwlc-theme-toggle {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	white-space: nowrap;
}

.fwlc-theme-toggle:hover,
.fwlc-btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
}

.fwlc-theme-toggle:focus-visible,
.fwlc-btn:focus-visible,
.fwlc-field input:focus-visible,
.fwlc-field select:focus-visible,
.fwlc-check input:focus-visible {
	outline: 3px solid rgba(99, 102, 241, 0.45);
	outline-offset: 3px;
}


/* Stacked layout lock: output must always render below the input form. */
.fwlc-calculator.fwlc-stack-only,
.fwlc-calculator.fwlc-stack-only .fwlc-shell,
.fwlc-calculator.fwlc-stack-only .fwlc-main,
.fwlc-calculator.fwlc-stack-only .fwlc-input-area,
.fwlc-calculator.fwlc-stack-only .fwlc-output-area,
.fwlc-calculator[data-fwlc-layout="stacked"],
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-shell,
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-main,
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-input-area,
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-output-area {
	display: block !important;
	width: 100% !important;
	max-width: 100% !important;
	min-width: 0 !important;
	float: none !important;
	clear: both !important;
	position: static !important;
	grid-template-columns: 1fr !important;
	grid-column: 1 / -1 !important;
	flex: 0 0 100% !important;
}

.fwlc-calculator.fwlc-stack-only .fwlc-input-area {
	order: 1 !important;
	margin-bottom: 24px !important;
}

.fwlc-calculator.fwlc-stack-only .fwlc-output-area {
	order: 2 !important;
	margin-top: 0 !important;
}

.fwlc-alert {
	padding: 12px 14px;
	border-radius: 14px;
	background: rgba(180, 35, 24, 0.1);
	color: var(--fwlc-danger);
	border: 1px solid rgba(180, 35, 24, 0.25);
	font-weight: 700;
	margin-bottom: 16px;
}

.fwlc-main,
.fwlc-input-area,
.fwlc-output-area,
.fwlc-output-below {
	display: block !important;
	width: 100% !important;
	max-width: 100% !important;
	float: none !important;
	clear: both !important;
	grid-template-columns: 1fr !important;
	grid-column: 1 / -1 !important;
}

.fwlc-input-area {
	margin-bottom: 24px !important;
}

.fwlc-output-area {
	margin-top: 24px !important;
}

.fwlc-form {
	display: grid;
	grid-template-columns: 1fr;
	gap: 18px;
	width: 100%;
}

.fwlc-card,
.fwlc-result-card {
	background: rgba(255, 255, 255, 0.82);
	border: 1px solid var(--fwlc-border);
	border-radius: 24px;
	padding: clamp(16px, 2.5vw, 24px);
	box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
	width: 100%;
	max-width: 100%;
}

.fwlc-dark .fwlc-card,
.fwlc-dark .fwlc-result-card {
	background: rgba(32, 38, 51, 0.9);
}

.fwlc-card-head {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	margin-bottom: 16px;
}

.fwlc-icon {
	display: inline-grid;
	place-items: center;
	width: 42px;
	height: 42px;
	border-radius: 14px;
	background: var(--fwlc-soft);
	font-size: 1.25rem;
	flex: 0 0 auto;
}

.fwlc-card h3,
.fwlc-breakdown h4 {
	margin: 0;
	font-size: 1.15rem;
	color: var(--fwlc-primary-strong);
}

.fwlc-card p {
	margin: 3px 0 0;
	color: var(--fwlc-muted);
	font-size: 0.92rem;
}

.fwlc-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
	gap: 15px;
}

.fwlc-field {
	display: flex;
	flex-direction: column;
	gap: 7px;
	min-width: 0;
}

.fwlc-field > span,
.fwlc-check span {
	font-size: 0.92rem;
	font-weight: 800;
	color: var(--fwlc-text);
}

.fwlc-field input,
.fwlc-field select {
	width: 100%;
	border: 1px solid var(--fwlc-border);
	border-radius: 14px;
	background: var(--fwlc-card);
	color: var(--fwlc-text);
	padding: 12px 13px;
	min-height: 48px;
	font-size: 1rem;
}

.fwlc-field input[type="range"] {
	padding: 0;
	min-height: 34px;
	accent-color: var(--fwlc-accent);
}

.fwlc-suffix {
	display: flex;
	align-items: center;
	gap: 8px;
}

.fwlc-suffix input {
	flex: 1;
}

.fwlc-suffix span,
.fwlc-range-row output {
	font-weight: 900;
	color: var(--fwlc-muted);
}

.fwlc-range-row {
	display: flex;
	align-items: center;
	gap: 12px;
}

.fwlc-range-row input {
	flex: 1;
}

.fwlc-toggles {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 12px;
	margin-top: 16px;
}

.fwlc-check {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 12px;
	border: 1px solid var(--fwlc-border);
	border-radius: 14px;
	background: var(--fwlc-soft);
}

.fwlc-check input {
	width: 20px;
	height: 20px;
	accent-color: var(--fwlc-accent);
}

.fwlc-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	align-items: center;
	justify-content: flex-start;
	width: 100%;
}

.fwlc-btn {
	background: var(--fwlc-primary);
	color: #fff;
	border-color: transparent;
}

.fwlc-btn-secondary {
	background: var(--fwlc-card);
	color: var(--fwlc-text);
	border-color: var(--fwlc-border);
}

.fwlc-result-card {
	background: linear-gradient(135deg, var(--fwlc-card), var(--fwlc-soft));
}

.fwlc-result-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 12px;
}

.fwlc-result-card h3 {
	font-size: clamp(2rem, 5vw, 4rem);
}

.fwlc-meter {
	width: min(190px, 32vw);
	height: 12px;
	border-radius: 999px;
	background: var(--fwlc-border);
	overflow: hidden;
}

.fwlc-meter span {
	display: block;
	height: 100%;
	width: 0%;
	background: linear-gradient(90deg, var(--fwlc-success), var(--fwlc-primary));
	border-radius: inherit;
	transition: width 220ms ease;
}

.fwlc-result-summary,
.fwlc-note {
	color: var(--fwlc-muted);
	margin: 0 0 16px;
}

.fwlc-result-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
	gap: 12px;
	margin: 18px 0;
}

.fwlc-result-grid div {
	padding: 14px;
	border: 1px solid var(--fwlc-border);
	border-radius: 16px;
	background: rgba(255, 255, 255, 0.55);
}

.fwlc-dark .fwlc-result-grid div {
	background: rgba(0, 0, 0, 0.14);
}

.fwlc-result-grid span {
	display: block;
	color: var(--fwlc-muted);
	font-size: 0.85rem;
	font-weight: 800;
	margin-bottom: 4px;
}

.fwlc-result-grid strong {
	font-size: 1.2rem;
	color: var(--fwlc-primary-strong);
}

.fwlc-breakdown {
	margin-top: 20px;
}

.fwlc-table-wrap {
	width: 100%;
	overflow-x: auto;
	border: 1px solid var(--fwlc-border);
	border-radius: 16px;
	margin-top: 12px;
}

.fwlc-table {
	width: 100%;
	border-collapse: collapse;
	min-width: 680px;
	background: var(--fwlc-card);
}

.fwlc-table th,
.fwlc-table td {
	padding: 11px 12px;
	text-align: right;
	border-bottom: 1px solid var(--fwlc-border);
	font-size: 0.92rem;
}

.fwlc-table th:first-child,
.fwlc-table td:first-child {
	text-align: left;
}

.fwlc-table th {
	background: var(--fwlc-soft);
	color: var(--fwlc-text);
	font-weight: 900;
}

.fwlc-note {
	font-size: 0.88rem;
	margin-top: 14px;
}

@media (max-width: 720px) {
	.fwlc-header,
	.fwlc-result-top {
		flex-direction: column;
		align-items: stretch;
	}

	.fwlc-theme-toggle,
	.fwlc-btn {
		justify-content: center;
		width: 100%;
	}

	.fwlc-grid,
	.fwlc-toggles,
	.fwlc-result-grid {
		grid-template-columns: 1fr;
	}

	.fwlc-card-head {
		flex-direction: column;
	}
}

@media print {
	.fwlc-theme-toggle,
	.fwlc-actions,
	
/* Stacked layout lock: output must always render below the input form. */
.fwlc-calculator.fwlc-stack-only,
.fwlc-calculator.fwlc-stack-only .fwlc-shell,
.fwlc-calculator.fwlc-stack-only .fwlc-main,
.fwlc-calculator.fwlc-stack-only .fwlc-input-area,
.fwlc-calculator.fwlc-stack-only .fwlc-output-area,
.fwlc-calculator[data-fwlc-layout="stacked"],
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-shell,
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-main,
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-input-area,
.fwlc-calculator[data-fwlc-layout="stacked"] .fwlc-output-area {
	display: block !important;
	width: 100% !important;
	max-width: 100% !important;
	min-width: 0 !important;
	float: none !important;
	clear: both !important;
	position: static !important;
	grid-template-columns: 1fr !important;
	grid-column: 1 / -1 !important;
	flex: 0 0 100% !important;
}

.fwlc-calculator.fwlc-stack-only .fwlc-input-area {
	order: 1 !important;
	margin-bottom: 24px !important;
}

.fwlc-calculator.fwlc-stack-only .fwlc-output-area {
	order: 2 !important;
	margin-top: 0 !important;
}

.fwlc-alert {
		display: none !important;
	}

	.fwlc-shell,
	.fwlc-card,
	.fwlc-result-card {
		box-shadow: none !important;
		border-color: #bbb !important;
	}
}


/* Final cascade guard for themes that add desktop grids/floats. */
.fwlc-calculator.fwlc-stack-only > .fwlc-shell > .fwlc-main,
.fwlc-calculator.fwlc-stack-only > .fwlc-shell > .fwlc-output-area,
.fwlc-calculator.fwlc-stack-only .fwlc-main > .fwlc-input-area {
	display: block !important;
	width: 100% !important;
	max-width: 100% !important;
	float: none !important;
	clear: both !important;
	grid-column: 1 / -1 !important;
	flex-basis: 100% !important;
}