.iroi-calculator {
	--iroi-ink: #f3f1e9;
	--iroi-paper: #262a52;
	--iroi-paper-sunk: #1b1e3d;
	--iroi-card-bg: linear-gradient(160deg, #2d3161 0%, #1c1f3f 100%);
	--iroi-sidebar-bg: #1b1e3d;
	--iroi-line: #3a3e70;
	--iroi-muted: #9aa0b8;
	--iroi-primary: #ffffff;
	--iroi-primary-soft: #f3f1e9;
	--iroi-accent: #f0b429;
	--iroi-accent-soft: #f5c563;
	--iroi-tertiary: #ffffff;
	--iroi-tertiary-soft: #ffffff;
	--iroi-loss: #e2685a;
	--iroi-on-accent: #14172c;
	--iroi-radius: 14px;
	--iroi-radius-sm: 10px;
	--iroi-shadow: 0 10px 30px rgba(10, 12, 30, 0.28);

	box-sizing: border-box;
	max-width: 1180px;
	margin: 0 auto;
	font-family: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--iroi-ink);
	font-variant-numeric: tabular-nums;
}

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

/* ---------- Color themes ---------- */

.iroi-calculator[data-theme="meadow"] {
	--iroi-ink: #1c2b22;
	--iroi-paper: #faf7f0;
	--iroi-paper-sunk: #efe7d3;
	--iroi-card-bg: var(--iroi-paper);
	--iroi-sidebar-bg: var(--iroi-paper-sunk);
	--iroi-line: #ddd0b0;
	--iroi-muted: #7c7561;
	--iroi-primary: #1f6d4c;
	--iroi-primary-soft: #2c8a63;
	--iroi-accent: #c98a2c;
	--iroi-accent-soft: #e0a94f;
	--iroi-tertiary: #17304a;
	--iroi-tertiary-soft: #234a6e;
	--iroi-loss: #b3402f;
	--iroi-on-accent: #1c2b22;
}

.iroi-calculator[data-theme="slate"] {
	--iroi-ink: #1d1d1f;
	--iroi-paper: #fafafa;
	--iroi-paper-sunk: #eeeeee;
	--iroi-card-bg: var(--iroi-paper);
	--iroi-sidebar-bg: var(--iroi-paper-sunk);
	--iroi-line: #dcdcdc;
	--iroi-muted: #6e6e73;
	--iroi-primary: #3a3a3c;
	--iroi-primary-soft: #525254;
	--iroi-accent: #c98a2c;
	--iroi-accent-soft: #e0a94f;
	--iroi-tertiary: #1d1d1f;
	--iroi-tertiary-soft: #3a3a3c;
	--iroi-loss: #b3402f;
	--iroi-on-accent: #1d1d1f;
}

.iroi-calculator strong {
	font-weight: 600;
}

/* ---------- Layout ---------- */

.iroi-layout {
	display: grid;
	grid-template-columns: 260px 1fr;
	gap: 20px;
	align-items: start;
}

.iroi-sidebar {
	display: flex;
	flex-direction: column;
	gap: 18px;
	background: var(--iroi-sidebar-bg);
	border: 1px solid var(--iroi-line);
	border-top: 3px solid var(--iroi-accent);
	border-radius: var(--iroi-radius);
	box-shadow: var(--iroi-shadow);
	padding: 22px;
}

.iroi-main {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

/* ---------- Currency switcher ---------- */

.iroi-currency-switcher {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
}

.iroi-currency-switcher label {
	font-size: 11.5px;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--iroi-muted);
}

.iroi-currency-switcher select {
	font-family: "Work Sans", sans-serif;
	font-size: 13px;
	color: var(--iroi-ink);
	background: var(--iroi-paper);
	border: 1px solid var(--iroi-line);
	border-radius: var(--iroi-radius-sm);
	padding: 5px 8px;
}

/* ---------- Sidebar fields ---------- */

.iroi-field {
	--field-accent: var(--iroi-primary);
}

.iroi-field[data-accent="accent"] {
	--field-accent: var(--iroi-accent);
}

.iroi-field[data-accent="tertiary"] {
	--field-accent: var(--iroi-tertiary-soft);
}

.iroi-field label {
	display: block;
	font-size: 11.5px;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--iroi-muted);
	margin-bottom: 8px;
}

.iroi-field-row {
	display: flex;
	align-items: baseline;
	gap: 6px;
	background: var(--iroi-paper);
	border: 1px solid var(--iroi-line);
	border-radius: var(--iroi-radius-sm);
	padding: 10px 12px;
	margin-bottom: 10px;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.iroi-field-row:focus-within {
	border-color: var(--field-accent);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--field-accent) 25%, transparent);
}

.iroi-affix {
	font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 15px;
	color: var(--iroi-muted);
	white-space: nowrap;
}

.iroi-affix-suffix {
	order: 2;
}

.iroi-number {
	flex: 1;
	min-width: 0;
	border: 0;
	background: transparent;
	font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 18px;
	font-weight: 600;
	color: var(--iroi-ink);
	padding: 0;
}

.iroi-number:focus {
	outline: none;
}

.iroi-range {
	-webkit-appearance: none;
	appearance: none;
	display: block;
	width: 100%;
	height: 4px;
	border-radius: 999px;
	background: var(--iroi-line);
	outline: none;
	cursor: pointer;
}

.iroi-range::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--field-accent);
	border: 2px solid var(--iroi-paper);
	box-shadow: 0 0 0 1px var(--field-accent);
	cursor: pointer;
}

.iroi-range::-moz-range-thumb {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--field-accent);
	border: 2px solid var(--iroi-paper);
	box-shadow: 0 0 0 1px var(--field-accent);
	cursor: pointer;
}

.iroi-range::-moz-range-track {
	height: 4px;
	border-radius: 999px;
	background: var(--iroi-line);
}

/* ---------- Shared card chrome ---------- */

.iroi-gauge-card,
.iroi-breakdown-card {
	background: var(--iroi-card-bg);
	border: 1px solid var(--iroi-line);
	border-top: 3px solid var(--iroi-accent);
	border-radius: var(--iroi-radius);
	box-shadow: var(--iroi-shadow);
	padding: 26px;
}

.iroi-eyebrow {
	font-size: 11.5px;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--iroi-muted);
	margin-bottom: 18px;
}

/* ---------- Donut chart ---------- */

.iroi-donut-wrap {
	position: relative;
	width: 220px;
	max-width: 100%;
	margin: 0 auto 20px;
}

.iroi-donut {
	width: 100%;
	height: auto;
	display: block;
}

.iroi-donut-track {
	fill: none;
	stroke: var(--iroi-paper-sunk);
	stroke-width: 32;
}

.iroi-donut-arc {
	fill: none;
	stroke-width: 32;
	stroke-linecap: butt;
	transform: rotate(-90deg);
	transform-origin: 50% 50%;
	transition: stroke-dasharray 0.3s ease, stroke-dashoffset 0.3s ease;
}

.iroi-donut-arc[data-role="invested-arc"] {
	stroke: var(--iroi-primary);
}

.iroi-donut-arc[data-role="profit-arc"] {
	stroke: var(--iroi-accent);
}

.iroi-donut-arc[data-role="profit-arc"].iroi-is-loss {
	stroke: var(--iroi-loss);
}

.iroi-donut-center {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	text-align: center;
	pointer-events: none;
}

.iroi-donut-label {
	display: block;
	font-size: 12.5px;
	color: var(--iroi-muted);
	margin-bottom: 4px;
}

.iroi-donut-value {
	display: block;
	font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 27px;
	font-weight: 700;
	color: var(--iroi-accent);
}

.iroi-donut-value.iroi-is-loss {
	color: var(--iroi-loss);
}

.iroi-legend {
	list-style: none;
	margin: 0 0 16px;
	padding: 0;
}

.iroi-legend li {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 7px 0;
	font-size: 14px;
}

.iroi-legend-key {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--iroi-ink);
}

.iroi-dot {
	display: inline-block;
	width: 9px;
	height: 9px;
	border-radius: 50%;
}

.iroi-dot-primary {
	background: var(--iroi-primary);
}

.iroi-dot-accent {
	background: var(--iroi-accent);
}

.iroi-dot-accent.iroi-is-loss {
	background: var(--iroi-loss);
}

/* ---------- Meta row (period + CAGR) ---------- */

.iroi-meta-row {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	border-top: 1px solid var(--iroi-line);
	padding-top: 14px;
}

.iroi-meta-stat {
	font-size: 12.5px;
	color: var(--iroi-muted);
}

.iroi-meta-stat strong {
	display: block;
	font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 15px;
	font-weight: 700;
	color: var(--iroi-ink);
	margin-top: 2px;
}

.iroi-meta-stat strong.iroi-is-loss {
	color: var(--iroi-loss);
}

/* ---------- Detail list ---------- */

.iroi-detail-list {
	margin-bottom: 18px;
}

.iroi-detail-row {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	font-size: 14px;
	padding: 7px 0;
}

.iroi-detail-row strong {
	font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 15px;
	font-weight: 700;
	white-space: nowrap;
}

strong[data-role="profit-value"].iroi-is-loss {
	color: var(--iroi-loss);
}

/* ---------- Note ---------- */

.iroi-note {
	background: var(--iroi-paper-sunk);
	border-left: 3px solid var(--iroi-accent);
	border-radius: 0 var(--iroi-radius-sm) var(--iroi-radius-sm) 0;
	padding: 14px 18px;
	margin: 0;
	font-size: 13.5px;
	line-height: 1.65;
	color: var(--iroi-ink);
}

.iroi-note.iroi-is-loss {
	border-left-color: var(--iroi-loss);
}

/* ---------- Export actions ---------- */

.iroi-export-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 18px;
}

.iroi-btn {
	font-family: "Work Sans", sans-serif;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.02em;
	padding: 10px 18px;
	border-radius: var(--iroi-radius-sm);
	border: 1px solid var(--iroi-accent);
	background: var(--iroi-accent);
	color: var(--iroi-on-accent);
	cursor: pointer;
	transition: opacity 0.15s ease, transform 0.15s ease;
}

.iroi-btn:hover {
	opacity: 0.9;
}

.iroi-btn:active {
	transform: translateY(1px);
}

.iroi-btn-ghost {
	background: var(--iroi-paper);
	border-color: var(--iroi-line);
	color: var(--iroi-ink);
}

.iroi-btn[disabled] {
	opacity: 0.6;
	cursor: progress;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
	.iroi-layout {
		grid-template-columns: 1fr;
	}

	.iroi-sidebar {
		flex-direction: row;
		flex-wrap: wrap;
	}

	.iroi-sidebar .iroi-field {
		flex: 1 1 200px;
	}
}

@media (max-width: 480px) {
	.iroi-sidebar {
		flex-direction: column;
	}
}