.epsr-tool {
	--epsr-bg: #f5f7f8;
	--epsr-surface: #ffffff;
	--epsr-text: #1f2930;
	--epsr-muted: #5d6972;
	--epsr-line: #d8e0e5;
	--epsr-primary: #174a63;
	--epsr-primary-dark: #103648;
	--epsr-error: #9f3028;
	--epsr-notice: #eef4f6;
	box-sizing: border-box;
	max-width: 960px;
	margin: 0 auto;
	padding: 24px;
	color: var(--epsr-text);
	background: var(--epsr-bg);
	border: 1px solid var(--epsr-line);
	border-radius: 8px;
	font-family: inherit;
}

.epsr-tool *,
.epsr-tool *::before,
.epsr-tool *::after {
	box-sizing: inherit;
}

.epsr-header {
	padding-bottom: 18px;
	border-bottom: 1px solid var(--epsr-line);
}

.epsr-header h2 {
	margin: 4px 0 10px;
	font-size: clamp(1.7rem, 2.2vw, 2.25rem);
	line-height: 1.16;
	letter-spacing: 0;
}

.epsr-header p,
.epsr-field-help,
.epsr-branding p,
.epsr-legal p {
	color: var(--epsr-muted);
}

.epsr-kicker,
.epsr-label {
	margin: 0;
	color: var(--epsr-primary);
	font-size: 0.88rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

.epsr-card,
.epsr-result,
.epsr-copy-fallback {
	margin-top: 16px;
	padding: 20px;
	background: var(--epsr-surface);
	border: 1px solid var(--epsr-line);
	border-radius: 8px;
}

.epsr-card fieldset {
	min-width: 0;
	margin: 0;
	padding: 0;
	border: 0;
}

.epsr-card legend {
	margin-bottom: 14px;
	padding: 0;
	font-size: 1.16rem;
	font-weight: 700;
	line-height: 1.3;
}

.epsr-field {
	display: grid;
	gap: 7px;
	margin-top: 14px;
}

.epsr-field label,
.epsr-confirmation label {
	font-weight: 700;
	line-height: 1.35;
}

.epsr-field input {
	width: 100%;
	min-height: 46px;
	padding: 10px 12px;
	color: var(--epsr-text);
	background: #fff;
	border: 1px solid #b9c5cc;
	border-radius: 6px;
	font: inherit;
}

.epsr-field input[aria-invalid="true"],
.epsr-radio-grid:has(input[aria-invalid="true"]) {
	border-color: var(--epsr-error);
}

.epsr-field input:focus-visible,
.epsr-confirmation input:focus-visible,
.epsr-radio-card:focus-within,
.epsr-button:focus-visible,
.epsr-copy-fallback textarea:focus-visible {
	outline: 2px solid transparent;
	box-shadow: 0 0 0 3px rgba(23, 74, 99, 0.2);
}

.epsr-field-help,
.epsr-field-error {
	margin: 0;
	font-size: 0.92rem;
	line-height: 1.4;
}

.epsr-field-error {
	min-height: 1.3em;
	color: var(--epsr-error);
	font-weight: 700;
}

.epsr-notice {
	margin: 12px 0 0;
	padding: 12px;
	color: var(--epsr-text);
	background: var(--epsr-notice);
	border-left: 4px solid var(--epsr-primary);
	border-radius: 6px;
	line-height: 1.5;
}

.epsr-radio-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px;
	margin-top: 14px;
}

.epsr-radio-card {
	display: grid;
	grid-template-columns: 22px minmax(0, 1fr);
	gap: 10px;
	align-items: start;
	min-height: 100%;
	padding: 14px;
	background: #fff;
	border: 1px solid #b9c5cc;
	border-radius: 8px;
	cursor: pointer;
}

.epsr-radio-card input,
.epsr-confirmation input {
	width: 20px;
	height: 20px;
	margin: 0;
	accent-color: var(--epsr-primary);
}

.epsr-radio-card:has(input:checked) {
	border-color: var(--epsr-primary);
	box-shadow: inset 0 0 0 1px var(--epsr-primary);
}

.epsr-method-panel {
	margin-top: 16px;
	padding-top: 2px;
}

.epsr-confirmation {
	display: grid;
	grid-template-columns: 22px minmax(0, 1fr);
	gap: 10px;
	align-items: start;
	margin-top: 18px;
	padding: 14px;
	background: #fff;
	border: 1px solid var(--epsr-line);
	border-radius: 8px;
}

.epsr-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 18px 0;
}

.epsr-button {
	min-height: 42px;
	padding: 10px 14px;
	color: var(--epsr-primary);
	background: #fff;
	border: 1px solid #b8c5cc;
	border-radius: 6px;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.epsr-button:hover {
	border-color: var(--epsr-primary);
}

.epsr-button-primary {
	color: #fff;
	background: var(--epsr-primary);
	border-color: var(--epsr-primary);
}

.epsr-button-primary:hover {
	background: var(--epsr-primary-dark);
}

.epsr-button:disabled {
	color: #7d8991;
	background: #eef1f3;
	border-color: #d7dee3;
	cursor: not-allowed;
}

.epsr-result {
	border-left: 6px solid var(--epsr-primary);
}

.epsr-result h3 {
	margin: 4px 0 8px;
	font-size: clamp(1.35rem, 2vw, 1.8rem);
	line-height: 1.2;
	letter-spacing: 0;
}

.epsr-result-main {
	margin-bottom: 12px;
	color: var(--epsr-primary);
	font-size: clamp(2rem, 4vw, 3rem);
	font-weight: 800;
	line-height: 1;
}

.epsr-result-rows {
	display: grid;
	gap: 8px;
	margin-top: 16px;
}

.epsr-result-row {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 12px;
	padding: 10px 0;
	border-bottom: 1px solid var(--epsr-line);
}

.epsr-result-row span {
	color: var(--epsr-muted);
}

.epsr-result-row strong {
	text-align: right;
}

.epsr-result-row-text strong {
	max-width: 420px;
	overflow-wrap: anywhere;
}

.epsr-formula {
	margin-top: 16px;
	padding: 14px;
	background: #f9fbfc;
	border: 1px solid var(--epsr-line);
	border-radius: 8px;
	line-height: 1.6;
	overflow-wrap: anywhere;
}

.epsr-print-note {
	display: none;
}

.epsr-copy-fallback label {
	display: block;
	margin-bottom: 8px;
	font-weight: 700;
}

.epsr-copy-fallback textarea {
	width: 100%;
	min-height: 190px;
	padding: 10px;
	border: 1px solid #b9c5cc;
	border-radius: 6px;
	font: inherit;
}

.epsr-legal {
	background: #fbfcfd;
}

.epsr-branding {
	margin-top: 18px;
	padding-top: 16px;
	border-top: 1px solid var(--epsr-line);
	font-size: 0.94rem;
}

.epsr-branding p {
	margin: 0 0 10px;
}

@media (max-width: 760px) {
	.epsr-tool {
		padding: 16px;
	}

	.epsr-radio-grid,
	.epsr-result-row {
		grid-template-columns: 1fr;
	}

	.epsr-actions {
		display: grid;
	}

	.epsr-button {
		width: 100%;
	}

	.epsr-result-row strong {
		text-align: left;
	}
}

@media print {
	body.epsr-printing * {
		visibility: hidden;
	}

	body.epsr-printing .epsr-print-target,
	body.epsr-printing .epsr-print-target * {
		visibility: visible;
	}

	body.epsr-printing .epsr-print-target {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		max-width: none;
		padding: 0;
		background: #fff;
		border: 0;
	}

	.epsr-actions,
	.epsr-copy-fallback,
	.epsr-field-error:empty {
		display: none !important;
	}

	.epsr-card,
	.epsr-result {
		break-inside: avoid;
	}

	.epsr-field input {
		border: 0;
		border-bottom: 1px solid #999;
		border-radius: 0;
	}

	.epsr-print-note {
		display: block;
	}
}