:root {
	--bttc-ink: #15131a;
	--bttc-muted: #5f5966;
	--bttc-purple-900: #8f0b32;
	--bttc-purple-800: #a60d3a;
	--bttc-purple-700: #b40f40;
	--bttc-purple-600: #c11145;
	--bttc-purple-100: #fff1f5;
	--bttc-purple-50: #fff8fa;
	--bttc-cyan: #005d65;
	--bttc-border: #e5e1e8;
	--bttc-surface: #ffffff;
	--bttc-success: #087a55;
	--bttc-warning: #8a5200;
	--bttc-danger: #b4233f;
	--bttc-shadow: 0 20px 55px rgba(21, 19, 26, 0.09);
}

.bttc-tool-page .site-main,
.bttc-tool-page .site-main > article,
.bttc-tool-page .entry-content {
	min-width: 0;
}

.bttc-tool-page .entry-content {
	margin: 0;
}

.bttc-shell,
.bttc-context-link {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--bttc-ink);
}

.bttc-shell {
	width: min(1180px, calc(100% - 32px));
	margin: 0 auto;
	padding-block: 28px 72px;
	line-height: 1.75;
}

.bttc-shell *,
.bttc-shell *::before,
.bttc-shell *::after {
	box-sizing: border-box;
}

.bttc-shell h1,
.bttc-shell h2,
.bttc-shell h3,
.bttc-shell p,
.bttc-shell ul {
	margin-top: 0;
}

.bttc-shell h1,
.bttc-shell h2,
.bttc-shell h3 {
	color: var(--bttc-ink);
	line-height: 1.25;
	letter-spacing: normal;
}

.bttc-breadcrumbs {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 9px;
	margin-bottom: 22px;
	font-size: 14px;
	color: var(--bttc-muted);
}

.bttc-breadcrumbs a {
	color: var(--bttc-purple-800);
	text-decoration: none;
}

.bttc-breadcrumbs a:hover {
	text-decoration: underline;
	text-underline-offset: 3px;
}

.bttc-hero {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1.45fr) minmax(240px, 0.55fr);
	align-items: center;
	gap: 34px;
	overflow: hidden;
	margin-bottom: 30px;
	padding: clamp(28px, 5vw, 58px);
	border: 1px solid #e1d7f1;
	border-radius: 28px;
	background:
		radial-gradient(circle at 8% 20%, rgba(18, 169, 184, 0.13), transparent 33%),
		radial-gradient(circle at 88% 18%, rgba(104, 200, 208, 0.18), transparent 36%),
		linear-gradient(135deg, #fbfdff 0%, #fcfbfc 56%, #eafbfc 100%);
	box-shadow: var(--bttc-shadow);
}

.bttc-hero::before {
	position: absolute;
	inset: auto -70px -100px auto;
	width: 240px;
	height: 240px;
	border: 1px solid rgba(104, 200, 208, 0.2);
	border-radius: 50%;
	content: "";
}

.bttc-hero--compact {
	grid-template-columns: 1fr;
}

.bttc-hero__content {
	position: relative;
	z-index: 1;
}

.bttc-eyebrow,
.bttc-kicker {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-size: 13px;
	font-weight: 800;
	color: var(--bttc-purple-800);
}

.bttc-eyebrow {
	margin-bottom: 16px;
	padding: 7px 13px;
	border: 1px solid #ddcff3;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.78);
}

.bttc-hero h1 {
	max-width: 760px;
	margin-bottom: 16px;
	font-size: clamp(34px, 5vw, 62px);
}

.bttc-hero p {
	max-width: 760px;
	margin-bottom: 20px;
	font-size: clamp(17px, 2vw, 20px);
	color: var(--bttc-muted);
}

.bttc-trust-pills {
	display: flex;
	flex-wrap: wrap;
	gap: 9px;
	padding: 0;
	list-style: none;
}

.bttc-trust-pills li {
	padding: 7px 12px;
	border: 1px solid #e0d5ef;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.78);
	font-size: 13px;
	font-weight: 700;
	color: #463f58;
}

.bttc-trust-pills li::before {
	margin-inline-end: 6px;
	color: var(--bttc-success);
	content: "✓";
}

.bttc-hero__visual {
	position: relative;
	z-index: 1;
	display: grid;
	place-items: center;
	min-height: 230px;
	border: 1px solid rgba(255, 255, 255, 0.5);
	border-radius: 24px;
	background: linear-gradient(145deg, var(--bttc-purple-900), var(--bttc-purple-600));
	box-shadow: 0 22px 40px rgba(76, 29, 149, 0.22);
}

.bttc-hero__visual svg {
	position: absolute;
	inset: auto 18px 18px;
	width: calc(100% - 36px);
	height: 110px;
	fill: none;
	stroke: rgba(255, 255, 255, 0.76);
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-width: 3;
}

.bttc-hero__visual circle {
	fill: #9ce8ed;
	stroke: #fff;
	stroke-width: 2;
}

.bttc-hero__stat {
	display: flex;
	align-items: baseline;
	gap: 9px;
	color: #fff;
}

.bttc-hero__stat span {
	font-size: 46px;
	font-weight: 900;
	letter-spacing: -0.06em;
}

.bttc-hero__stat strong {
	font-size: 28px;
	color: #9ce8ed;
}

.bttc-calculator-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
	align-items: start;
	gap: 22px;
	margin-bottom: 74px;
}

.bttc-form,
.bttc-results {
	border: 1px solid var(--bttc-border);
	border-radius: 24px;
	background: var(--bttc-surface);
	box-shadow: 0 14px 40px rgba(31, 19, 51, 0.06);
}

.bttc-form {
	padding: clamp(20px, 4vw, 34px);
}

.bttc-form__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 18px;
	margin-bottom: 10px;
}

.bttc-form__header h2 {
	margin: 5px 0 0;
	font-size: clamp(23px, 3vw, 30px);
}

.bttc-link-button {
	flex: 0 0 auto;
	padding: 7px 11px;
	border: 0;
	border-bottom: 1px solid currentColor;
	background: transparent;
	font: inherit;
	font-size: 14px;
	font-weight: 800;
	color: var(--bttc-purple-600);
	cursor: pointer;
}

.bttc-form-note {
	margin-bottom: 22px;
	padding: 12px 14px;
	border-inline-start: 3px solid var(--bttc-cyan);
	border-radius: 10px;
	background: #f3fbfc;
	font-size: 14px;
	color: #335b61;
}

.bttc-mode-switch {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin: 0 0 22px;
	padding: 0;
	border: 0;
}

.bttc-mode-switch legend {
	grid-column: 1 / -1;
	margin-bottom: 7px;
	font-size: 14px;
	font-weight: 800;
	color: var(--bttc-ink);
}

.bttc-mode-switch label {
	position: relative;
	cursor: pointer;
}

.bttc-mode-switch input {
	position: absolute;
	inset: 15px 15px auto auto;
	width: 18px;
	height: 18px;
	accent-color: var(--bttc-purple-600);
}

.bttc-mode-switch label > span {
	display: block;
	min-height: 84px;
	padding: 14px 44px 13px 14px;
	border: 1px solid var(--bttc-border);
	border-radius: 14px;
	background: #fff;
}

.bttc-mode-switch input:checked + span {
	border-color: var(--bttc-purple-600);
	background: var(--bttc-purple-50);
	box-shadow: inset 0 0 0 1px var(--bttc-purple-600);
}

.bttc-mode-switch strong,
.bttc-mode-switch small {
	display: block;
}

.bttc-mode-switch strong {
	font-size: 15px;
	color: var(--bttc-ink);
}

.bttc-mode-switch small {
	margin-top: 3px;
	font-size: 12px;
	color: var(--bttc-muted);
}

.bttc-fields {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px 14px;
}

.bttc-field label,
.bttc-field small,
.bttc-field-error {
	display: block;
}

.bttc-field label {
	margin-bottom: 7px;
	font-size: 14px;
	font-weight: 800;
	color: var(--bttc-ink);
}

.bttc-field input {
	width: 100%;
	min-height: 52px;
	padding: 10px 14px;
	border: 1px solid #d8d0e3;
	border-radius: 12px;
	background: #fff;
	font: inherit;
	font-size: 17px;
	font-variant-numeric: tabular-nums;
	color: var(--bttc-ink);
	box-shadow: none;
}

.bttc-field input::placeholder {
	color: #6f6978;
}

.bttc-field input[readonly] {
	background: #f3f0f7;
	color: #6d6678;
}

.bttc-field input[aria-invalid="true"] {
	border-color: var(--bttc-danger);
	box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.08);
}

.bttc-field small {
	min-height: 20px;
	margin-top: 5px;
	font-size: 12px;
	color: var(--bttc-muted);
}

.bttc-field-error {
	min-height: 18px;
	margin-top: 3px;
	font-size: 12px;
	font-weight: 700;
	color: var(--bttc-danger);
}

.bttc-form-alert,
.bttc-noscript {
	margin-top: 16px;
	padding: 11px 13px;
	border-radius: 10px;
	font-size: 13px;
}

.bttc-form-alert {
	border: 1px solid #f0b4ae;
	background: #fff5f4;
	color: #8b1e16;
}

.bttc-noscript {
	border: 1px solid #ead09b;
	background: #fff9ec;
	color: #71450a;
}

.bttc-form-actions {
	display: flex;
	gap: 10px;
	margin-top: 23px;
}

.bttc-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 50px;
	padding: 10px 20px;
	border: 1px solid transparent;
	border-radius: 13px;
	font: inherit;
	font-size: 15px;
	font-weight: 900;
	line-height: 1.2;
	text-decoration: none;
	cursor: pointer;
}

.bttc-button--primary {
	flex: 1 1 auto;
	background: linear-gradient(135deg, var(--bttc-purple-800), var(--bttc-purple-600));
	color: #fff;
	box-shadow: 0 10px 24px rgba(193, 17, 69, 0.2);
}

.bttc-button--secondary {
	background: #fff;
	border-color: #d8cee6;
	color: var(--bttc-purple-800);
}

.bttc-button--copy {
	width: 100%;
	margin-top: 18px;
	border-color: #d9cbed;
	background: #fff;
	color: var(--bttc-purple-800);
}

.bttc-button:disabled {
	opacity: 0.58;
	cursor: wait;
	transform: none;
}

.bttc-button--light {
	flex: 0 0 auto;
	background: #fff;
	color: var(--bttc-purple-900);
	box-shadow: 0 9px 22px rgba(0, 0, 0, 0.14);
}

.bttc-button:hover,
.bttc-link-button:hover {
	transform: translateY(-1px);
}

.bttc-button:focus-visible,
.bttc-link-button:focus-visible,
.bttc-field input:focus-visible,
.bttc-mode-switch input:focus-visible + span,
.bttc-faq summary:focus-visible,
.bttc-formula-details summary:focus-visible,
.bttc-tool-card:focus-visible,
.bttc-related a:focus-visible,
.bttc-breadcrumbs a:focus-visible {
	outline: 3px solid #087985;
	outline-offset: 3px;
}

.bttc-results {
	position: sticky;
	top: 105px;
	min-height: 530px;
	overflow: hidden;
}

.bttc-results__empty {
	display: grid;
	place-content: center;
	min-height: 530px;
	padding: 34px;
	text-align: center;
	background:
		radial-gradient(circle at 50% 28%, rgba(104, 200, 208, 0.12), transparent 28%),
		linear-gradient(180deg, #fff, #fcfbfc);
}

.bttc-results__empty-icon {
	display: grid;
	place-items: center;
	width: 76px;
	height: 76px;
	margin: 0 auto 18px;
	border-radius: 22px;
	background: linear-gradient(145deg, var(--bttc-purple-800), var(--bttc-purple-600));
	font-size: 34px;
	font-weight: 900;
	color: #fff;
	box-shadow: 0 14px 30px rgba(193, 17, 69, 0.2);
}

.bttc-results__empty h2 {
	margin-bottom: 10px;
	font-size: 26px;
}

.bttc-results__empty p {
	max-width: 330px;
	margin: 0 auto;
	color: var(--bttc-muted);
}

.bttc-results__content {
	padding: clamp(22px, 4vw, 32px);
}

.bttc-results__topline {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	margin-bottom: 10px;
}

.bttc-sample-badge {
	padding: 5px 9px;
	border-radius: 999px;
	background: #e9f8f6;
	font-size: 12px;
	font-weight: 800;
	color: var(--bttc-success);
}

.bttc-results__content h2 {
	margin-bottom: 4px;
	font-size: 23px;
}

.bttc-results__content h2:focus {
	outline: 3px solid #087985;
	outline-offset: 4px;
	border-radius: 4px;
}

.bttc-primary-result {
	margin-bottom: 5px;
	font-size: clamp(46px, 7vw, 68px);
	font-weight: 950;
	line-height: 1.1;
	letter-spacing: -0.05em;
	color: var(--bttc-purple-800);
}

.bttc-primary-result bdi {
	font-variant-numeric: tabular-nums;
}

.bttc-result-explanation {
	margin-bottom: 20px;
	font-size: 14px;
	color: var(--bttc-muted);
}

.bttc-metrics {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 9px;
	margin-bottom: 22px;
}

.bttc-metrics > div {
	padding: 12px;
	border: 1px solid var(--bttc-border);
	border-radius: 12px;
	background: var(--bttc-purple-50);
}

.bttc-metrics span,
.bttc-metrics strong {
	display: block;
}

.bttc-metrics span {
	min-height: 40px;
	font-size: 12px;
	color: var(--bttc-muted);
}

.bttc-metrics strong {
	font-size: 18px;
	color: var(--bttc-ink);
}

.bttc-distribution h3 {
	margin-bottom: 12px;
	font-size: 16px;
}

.bttc-distribution__row {
	display: grid;
	grid-template-columns: 74px minmax(0, 1fr) 46px;
	align-items: center;
	gap: 9px;
	margin-bottom: 9px;
	font-size: 12px;
	color: var(--bttc-muted);
}

.bttc-distribution__row > div {
	overflow: hidden;
	height: 8px;
	border-radius: 999px;
	background: #ece8f2;
}

.bttc-distribution__row i {
	display: block;
	width: 0;
	height: 100%;
	border-radius: inherit;
	background: linear-gradient(90deg, var(--bttc-cyan), var(--bttc-purple-600));
	transition: width 0.35s ease;
}

.bttc-formula-details {
	margin-top: 18px;
	border: 1px solid var(--bttc-border);
	border-radius: 12px;
	background: #fff;
}

.bttc-formula-details summary {
	padding: 12px 14px;
	font-size: 13px;
	font-weight: 800;
	color: var(--bttc-purple-800);
	cursor: pointer;
}

.bttc-formula-details p {
	margin: 0;
	padding: 0 14px 14px;
	font-size: 12px;
	color: var(--bttc-muted);
}

.bttc-formula-details p + p {
	padding-top: 5px;
}

.bttc-formula-details bdi {
	display: inline-block;
	font-variant-numeric: tabular-nums;
	unicode-bidi: isolate;
}

.bttc-copy-status {
	min-height: 20px;
	margin: 5px 0 0;
	font-size: 12px;
	font-weight: 700;
	color: var(--bttc-muted);
}

.bttc-result-disclaimer {
	margin: 13px 0 0;
	font-size: 11px;
	color: #777080;
}

.bttc-section {
	margin-top: 74px;
}

.bttc-section-heading {
	max-width: 780px;
	margin-bottom: 25px;
}

.bttc-section-heading h2,
.bttc-related h2,
.bttc-reading h2,
.bttc-commercial-cta h2 {
	margin: 6px 0 10px;
	font-size: clamp(27px, 4vw, 40px);
}

.bttc-section-heading p,
.bttc-reading p {
	font-size: 17px;
	color: var(--bttc-muted);
}

.bttc-steps,
.bttc-info-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 15px;
}

.bttc-steps article,
.bttc-info-grid article,
.bttc-formula-grid article {
	padding: 24px;
	border: 1px solid var(--bttc-border);
	border-radius: 18px;
	background: #fff;
	box-shadow: 0 10px 30px rgba(31, 19, 51, 0.04);
}

.bttc-steps article > span {
	display: grid;
	place-items: center;
	width: 38px;
	height: 38px;
	margin-bottom: 18px;
	border-radius: 12px;
	background: var(--bttc-purple-100);
	font-weight: 900;
	color: var(--bttc-purple-800);
}

.bttc-steps h3,
.bttc-info-grid strong,
.bttc-formula-grid h3 {
	margin-bottom: 8px;
	font-size: 18px;
}

.bttc-steps p,
.bttc-info-grid p,
.bttc-formula-grid p {
	margin-bottom: 0;
	font-size: 14px;
	color: var(--bttc-muted);
}

.bttc-formula-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 15px;
}

.bttc-formula-grid code {
	display: block;
	overflow-x: auto;
	margin-top: 18px;
	padding: 13px 14px;
	border-radius: 10px;
	background: #15131a;
	font-size: 13px;
	text-align: left;
	color: #fff;
	white-space: nowrap;
}

.bttc-reading {
	display: grid;
	grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
	align-items: center;
	gap: 36px;
	padding: clamp(26px, 5vw, 50px);
	border: 1px solid #ded3eb;
	border-radius: 24px;
	background: linear-gradient(135deg, #fff, #fff8fa);
}

.bttc-reading p {
	margin-bottom: 0;
}

.bttc-faq {
	max-width: 920px;
	margin-inline: auto;
}

.bttc-faq details {
	margin-bottom: 10px;
	border: 1px solid var(--bttc-border);
	border-radius: 14px;
	background: #fff;
}

.bttc-faq summary {
	padding: 16px 18px;
	font-weight: 800;
	color: var(--bttc-ink);
	cursor: pointer;
}

.bttc-faq details[open] summary {
	color: var(--bttc-purple-800);
}

.bttc-faq details p {
	margin: 0;
	padding: 0 18px 18px;
	color: var(--bttc-muted);
}

.bttc-related {
	margin-top: 74px;
	padding-top: 34px;
	border-top: 1px solid var(--bttc-border);
}

.bttc-related__links {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.bttc-related__links a {
	padding: 9px 13px;
	border: 1px solid #e2d7ef;
	border-radius: 999px;
	background: #fff;
	font-size: 14px;
	font-weight: 800;
	color: var(--bttc-purple-800);
	text-decoration: none;
}

.bttc-commercial-cta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	overflow: hidden;
	margin-top: 54px;
	padding: clamp(26px, 5vw, 46px);
	border-radius: 24px;
	background: linear-gradient(135deg, var(--bttc-purple-900), var(--bttc-purple-600));
	box-shadow: 0 24px 55px rgba(76, 29, 149, 0.2);
}

.bttc-commercial-cta .bttc-kicker,
.bttc-commercial-cta h2,
.bttc-commercial-cta p {
	color: #fff;
}

.bttc-commercial-cta p {
	max-width: 700px;
	margin-bottom: 0;
	opacity: 0.84;
}

.bttc-context-link {
	margin: 34px 0 10px;
	padding: 22px;
	border: 1px solid #ded3eb;
	border-radius: 18px;
	background: linear-gradient(135deg, #fff, #fff8fa);
}

.bttc-context-link > span {
	display: block;
	margin-bottom: 5px;
	font-size: 12px;
	font-weight: 900;
	color: var(--bttc-cyan);
}

.bttc-context-link strong {
	display: block;
	margin-bottom: 7px;
	font-size: 20px;
	color: var(--bttc-ink);
}

.bttc-context-link p {
	margin-bottom: 12px;
	color: var(--bttc-muted);
}

.bttc-context-link a {
	font-weight: 900;
	color: var(--bttc-purple-800);
}

.bttc-tool-card {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	align-items: center;
	gap: 20px;
	padding: clamp(22px, 4vw, 34px);
	border: 1px solid #ded3eb;
	border-radius: 22px;
	background: #fff;
	box-shadow: var(--bttc-shadow);
	color: inherit;
	text-decoration: none;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.bttc-tool-list {
	display: grid;
	gap: 16px;
}

.bttc-tool-card--safe-zone .bttc-tool-card__icon {
	background: linear-gradient(145deg, #005d65, #c11145);
}

.bttc-tool-card:hover {
	border-color: #cbb7e5;
	transform: translateY(-2px);
}

.bttc-tool-card__icon {
	display: grid;
	place-items: center;
	width: 64px;
	height: 64px;
	border-radius: 18px;
	background: linear-gradient(145deg, var(--bttc-purple-800), var(--bttc-purple-600));
}

.bttc-tool-card__icon svg {
	width: 32px;
	height: 32px;
	fill: none;
	stroke: #fff;
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-width: 2;
}

.bttc-tool-card__body strong,
.bttc-tool-card__body span,
.bttc-tool-card__body small {
	display: block;
}

.bttc-tool-card__body strong {
	margin-bottom: 5px;
	font-size: 22px;
	color: var(--bttc-ink);
}

.bttc-tool-card__body span {
	color: var(--bttc-muted);
}

.bttc-tool-card__body small {
	margin-top: 5px;
	color: var(--bttc-success);
}

.bttc-tool-card__action {
	font-weight: 900;
	color: var(--bttc-purple-800);
}

.bttc-info-grid {
	margin-top: 28px;
}

@media (max-width: 960px) {
	.bttc-hero,
	.bttc-calculator-grid,
	.bttc-reading {
		grid-template-columns: 1fr;
	}

	.bttc-hero__visual {
		min-height: 190px;
	}

	.bttc-results {
		position: static;
		min-height: 0;
	}

	.bttc-results__empty {
		min-height: 360px;
	}

	.bttc-steps,
	.bttc-info-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 640px) {
	.bttc-shell {
		width: min(100% - 20px, 1180px);
		padding-block: 18px 52px;
	}

	.bttc-hero {
		gap: 22px;
		border-radius: 20px;
	}

	.bttc-hero h1 {
		font-size: clamp(32px, 11vw, 44px);
	}

	.bttc-hero__visual {
		display: none;
	}

	.bttc-trust-pills {
		display: grid;
		grid-template-columns: 1fr;
	}

	.bttc-form,
	.bttc-results {
		border-radius: 18px;
	}

	.bttc-form__header,
	.bttc-form-actions,
	.bttc-commercial-cta {
		align-items: stretch;
		flex-direction: column;
	}

	.bttc-mode-switch,
	.bttc-fields,
	.bttc-formula-grid,
	.bttc-metrics {
		grid-template-columns: 1fr;
	}

	.bttc-field small {
		min-height: 0;
	}

	.bttc-metrics span {
		min-height: 0;
	}

	.bttc-results__empty {
		min-height: 300px;
	}

	.bttc-primary-result {
		font-size: 50px;
	}

	.bttc-tool-card {
		grid-template-columns: auto 1fr;
	}

	.bttc-tool-card__action {
		grid-column: 1 / -1;
	}
}

@media (prefers-reduced-motion: reduce) {
	.bttc-shell *,
	.bttc-shell *::before,
	.bttc-shell *::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}

/* Buy Tok heritage brand layer — removes the former purple visual language. */
body.bt-brand-v4 .bttc-shell,
body.bt-brand-v4 .bttc-context-link {
	font-family: inherit;
}

body.bt-brand-v4 .bttc-hero {
	border-color: var(--bttc-border);
	background: #fcfbfc;
	background-image: none;
}

body.bt-brand-v4 .bttc-hero::before {
	background: #eafbfc;
}

body.bt-brand-v4 .bttc-hero__visual,
body.bt-brand-v4 .bttc-sz-hero-phone,
body.bt-brand-v4 .bttc-hub-cta,
body.bt-brand-v4 .bttc-sz-empty-preview > span {
	background: #15131a;
	background-image: none;
	box-shadow: 0 18px 40px rgba(21, 19, 26, 0.16);
}

body.bt-brand-v4 .bttc-button--primary,
body.bt-brand-v4 .bttc-sz-file-button {
	border-color: #c11145;
	background: #c11145;
	background-image: none;
	box-shadow: 0 10px 24px rgba(193, 17, 69, 0.2);
}

body.bt-brand-v4 .bttc-button--primary:hover,
body.bt-brand-v4 .bttc-sz-file-button:hover {
	background: #a60d3a;
}

body.bt-brand-v4 .bttc-button--secondary,
body.bt-brand-v4 .bttc-button--copy {
	border-color: #d4ced8;
	color: #15131a;
	background: #fff;
	background-image: none;
}

body.bt-brand-v4 :where(.bttc-form, .bttc-results, .bttc-tool-card, .bttc-sz-panel, .bttc-sz-preview-card) {
	border-color: #e5e1e8;
	background: #fff;
	box-shadow: 0 12px 30px rgba(21, 19, 26, 0.07);
}

body.bt-brand-v4 .bttc-tool-card--safe-zone .bttc-tool-card__icon,
body.bt-brand-v4 .bttc-tool-card__icon {
	background: #fff1f5;
	background-image: none;
}

body.bt-brand-v4 .bttc-tool-card:hover {
	border-color: #e49ab0;
}

body.bt-brand-v4 .bttc-sz-dropzone {
	border-color: #d4ced8;
	background: #fcfbfc;
	background-image: none;
}

body.bt-brand-v4 .bttc-sz-dropzone:hover,
body.bt-brand-v4 .bttc-sz-dropzone.is-dragging {
	border-color: #c11145;
	background: #fff8fa;
}

body.bt-brand-v4 .bttc-sz-choice-group input:checked + span,
body.bt-brand-v4 .bttc-sz-preview-tabs button[aria-selected="true"] {
	border-color: #c11145;
	color: #a60d3a;
	background: #fff1f5;
	box-shadow: inset 0 0 0 1px #c11145;
}

body.bt-brand-v4 .bttc-sz-canvas-wrap {
	border-color: #15131a;
	background: #15131a;
	box-shadow: 0 20px 44px rgba(21, 19, 26, 0.2);
}

.bttc-safe-zone {
	--bttc-sz-cyan: #34d6df;
	--bttc-sz-deep-cyan: #087985;
	--bttc-sz-risk: rgba(193, 17, 69, 0.18);
}

.bttc-sz-hero {
	grid-template-columns: minmax(0, 1.3fr) minmax(250px, 0.7fr);
}

.bttc-sz-hero-visual {
	position: relative;
	z-index: 1;
	display: grid;
	place-items: center;
	min-height: 260px;
}

.bttc-sz-hero-phone {
	position: relative;
	width: 132px;
	aspect-ratio: 9 / 16;
	overflow: hidden;
	border: 7px solid #15131a;
	border-radius: 26px;
	background:
		radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.9) 0 10%, transparent 11%),
		linear-gradient(155deg, #68c8d0, #c11145 55%, #15131a);
	box-shadow: 0 26px 48px rgba(21, 19, 26, 0.22);
}

.bttc-sz-hero-phone::before {
	position: absolute;
	inset: 7px auto auto 50%;
	width: 44px;
	height: 7px;
	border-radius: 99px;
	background: rgba(20, 12, 33, 0.8);
	content: "";
	transform: translateX(-50%);
}

.bttc-sz-hero-safe {
	position: absolute;
	inset: 32px 28px 64px 12px;
	border: 2px dashed #8cf3f7;
	border-radius: 8px;
}

.bttc-sz-hero-rail {
	position: absolute;
	inset: 70px 8px auto auto;
	width: 13px;
	height: 86px;
	background: repeating-linear-gradient(to bottom, #fff 0 12px, transparent 12px 20px);
	opacity: 0.88;
}

.bttc-sz-hero-copy {
	position: absolute;
	inset: auto 28px 22px 10px;
	height: 30px;
	border-radius: 5px;
	background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0 4px, transparent 4px 9px);
}

.bttc-sz-global-note {
	margin: -26px 0 28px;
	padding: 13px 16px;
	border: 1px solid #ead8a6;
	border-inline-start: 4px solid #b7791f;
	border-radius: 13px;
	background: #fffaf0;
	font-size: 14px;
	color: #604111;
}

.bttc-sz-workspace {
	display: grid;
	grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.72fr);
	align-items: start;
	gap: 22px;
	margin-bottom: 74px;
}

.bttc-sz-controls {
	display: grid;
	gap: 18px;
}

.bttc-sz-panel,
.bttc-sz-preview-card {
	border: 1px solid var(--bttc-border);
	border-radius: 24px;
	background: #fff;
	box-shadow: 0 14px 40px rgba(31, 19, 51, 0.06);
}

.bttc-sz-panel {
	padding: clamp(20px, 4vw, 32px);
}

.bttc-sz-panel__heading h2,
.bttc-sz-settings__header h2 {
	margin: 5px 0 0;
	font-size: clamp(23px, 3vw, 30px);
}

.bttc-sz-dropzone {
	display: flex;
	align-items: center;
	flex-direction: column;
	justify-content: center;
	min-height: 300px;
	margin-top: 20px;
	padding: 30px 22px;
	border: 2px dashed #cdbbe7;
	border-radius: 20px;
	background:
		radial-gradient(circle at 50% 12%, rgba(104, 200, 208, 0.12), transparent 30%),
		#fcfbfc;
	text-align: center;
	cursor: pointer;
	transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.bttc-sz-dropzone:hover,
.bttc-sz-dropzone.is-dragging {
	border-color: var(--bttc-purple-600);
	background-color: var(--bttc-purple-50);
	transform: translateY(-1px);
}

.bttc-sz-dropzone:focus-within {
	outline: 3px solid var(--bttc-sz-deep-cyan);
	outline-offset: 3px;
}

.bttc-sz-dropzone__icon {
	display: grid;
	place-items: center;
	width: 62px;
	height: 62px;
	margin-bottom: 15px;
	border-radius: 18px;
	background: linear-gradient(145deg, var(--bttc-purple-800), var(--bttc-purple-600));
	box-shadow: 0 12px 28px rgba(193, 17, 69, 0.2);
}

.bttc-sz-dropzone__icon svg {
	width: 31px;
	height: 31px;
	fill: none;
	stroke: #fff;
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-width: 1.8;
}

.bttc-sz-dropzone strong,
.bttc-sz-dropzone > span:not(.bttc-sz-dropzone__icon):not(.bttc-button),
.bttc-sz-dropzone small {
	display: block;
}

.bttc-sz-dropzone strong {
	margin-bottom: 6px;
	font-size: 19px;
	color: var(--bttc-ink);
}

.bttc-sz-dropzone > span:not(.bttc-sz-dropzone__icon):not(.bttc-button) {
	font-size: 14px;
	color: var(--bttc-muted);
}

.bttc-sz-dropzone small {
	margin-top: 5px;
	font-size: 12px;
	color: #6f6978;
}

.bttc-sz-file-button {
	min-width: 180px;
	margin-top: 18px;
}

.bttc-sz-file-input {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	overflow: hidden !important;
	clip: rect(0 0 0 0) !important;
	clip-path: inset(50%) !important;
	white-space: nowrap !important;
}

.bttc-sz-file-help {
	margin: 10px 0 0;
	font-size: 12px;
	text-align: center;
	color: var(--bttc-muted);
}

.bttc-sz-example-button {
	display: block;
	margin: 13px auto 0;
}

.bttc-sz-workspace[data-ready="true"] .bttc-sz-dropzone,
.bttc-sz-workspace[data-ready="true"] .bttc-sz-file-help,
.bttc-sz-workspace[data-ready="true"] .bttc-sz-example-button {
	display: none;
}

.bttc-sz-file-meta {
	display: grid;
	grid-template-columns: 66px minmax(0, 1fr) auto;
	align-items: center;
	gap: 13px;
	margin-top: 20px;
	padding: 12px;
	border: 1px solid #ded4ea;
	border-radius: 15px;
	background: #fbf9fe;
}

.bttc-sz-file-meta__thumb {
	display: block;
	width: 66px;
	aspect-ratio: 9 / 12;
	border-radius: 10px;
	background-color: #201534;
	background-position: center;
	background-size: cover;
	box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.bttc-sz-file-meta strong,
.bttc-sz-file-meta small {
	display: block;
}

.bttc-sz-file-meta strong {
	overflow: hidden;
	font-size: 14px;
	color: var(--bttc-ink);
	text-overflow: ellipsis;
	white-space: nowrap;
}

.bttc-sz-file-meta small {
	margin-top: 4px;
	font-size: 12px;
	color: var(--bttc-muted);
}

.bttc-sz-change-file,
.bttc-sz-template-link {
	padding: 5px 0;
	border: 0;
	border-bottom: 1px solid currentColor;
	background: transparent;
	font: inherit;
	font-size: 13px;
	font-weight: 800;
	color: var(--bttc-purple-700, #b40f40);
	cursor: pointer;
}

.bttc-sz-message {
	min-height: 22px;
	margin: 13px 0 0;
	padding: 0;
	font-size: 13px;
	font-weight: 700;
	color: var(--bttc-muted);
}

.bttc-sz-message.is-success {
	color: var(--bttc-success);
}

.bttc-sz-message.is-warning {
	padding: 10px 12px;
	border: 1px solid #ead8a6;
	border-radius: 10px;
	background: #fffaf0;
	color: #75500f;
}

.bttc-sz-message.is-error {
	padding: 10px 12px;
	border: 1px solid #f0b4ae;
	border-radius: 10px;
	background: #fff5f4;
	color: var(--bttc-danger);
}

.bttc-sz-settings__header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 22px;
}

.bttc-sz-choice-group {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 8px;
	margin: 0 0 24px;
	padding: 0;
	border: 0;
}

.bttc-sz-choice-group legend {
	grid-column: 1 / -1;
	margin-bottom: 5px;
	font-size: 14px;
	font-weight: 850;
	color: var(--bttc-ink);
}

.bttc-sz-choice-group label {
	position: relative;
	cursor: pointer;
}

.bttc-sz-choice-group input {
	position: absolute;
	inset: 12px 12px auto auto;
	width: 17px;
	height: 17px;
	accent-color: var(--bttc-purple-600);
}

.bttc-sz-choice-group label > span {
	display: block;
	min-height: 82px;
	padding: 12px 36px 10px 10px;
	border: 1px solid #ddd5e7;
	border-radius: 13px;
	background: #fff;
	font-size: 13px;
	font-weight: 800;
	color: var(--bttc-ink);
}

.bttc-sz-choice-group label small {
	display: block;
	margin-top: 4px;
	font-size: 11px;
	font-weight: 500;
	color: var(--bttc-muted);
}

.bttc-sz-choice-group input:checked + span {
	border-color: var(--bttc-purple-600);
	background: var(--bttc-purple-50);
	box-shadow: inset 0 0 0 1px var(--bttc-purple-600);
}

.bttc-sz-range-grid {
	display: grid;
	gap: 17px;
	padding: 19px;
	border: 1px solid var(--bttc-border);
	border-radius: 15px;
	background: #fbfafd;
}

.bttc-sz-range > span {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 8px;
	font-size: 13px;
	font-weight: 800;
	color: var(--bttc-ink);
}

.bttc-sz-range output {
	direction: ltr;
	font-variant-numeric: tabular-nums;
	color: var(--bttc-purple-700, #b40f40);
}

.bttc-sz-range input[type="range"] {
	width: 100%;
	height: 26px;
	margin: 0;
	accent-color: var(--bttc-purple-600);
	cursor: pointer;
}

.bttc-sz-options-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
	margin-top: 18px;
}

.bttc-sz-options-grid label > span {
	display: block;
	margin-bottom: 7px;
	font-size: 13px;
	font-weight: 800;
	color: var(--bttc-ink);
}

.bttc-sz-options-grid select {
	width: 100%;
	min-height: 48px;
	padding: 8px 11px;
	border: 1px solid #d8d0e3;
	border-radius: 11px;
	background: #fff;
	font: inherit;
	font-size: 14px;
	color: var(--bttc-ink);
}

.bttc-sz-toggles {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin-top: 18px;
}

.bttc-sz-toggles label {
	display: flex;
	align-items: flex-start;
	gap: 9px;
	min-height: 74px;
	padding: 12px;
	border: 1px solid var(--bttc-border);
	border-radius: 12px;
	background: #fff;
	cursor: pointer;
}

.bttc-sz-toggles input {
	width: 19px;
	height: 19px;
	margin-top: 2px;
	accent-color: var(--bttc-purple-600);
}

.bttc-sz-toggles strong,
.bttc-sz-toggles small {
	display: block;
}

.bttc-sz-toggles strong {
	font-size: 13px;
	color: var(--bttc-ink);
}

.bttc-sz-toggles small {
	margin-top: 3px;
	font-size: 11px;
	color: var(--bttc-muted);
}

.bttc-sz-downloads {
	display: grid;
	grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
	gap: 10px;
	margin-top: 23px;
}

.bttc-sz-downloads .bttc-button {
	width: 100%;
	gap: 6px;
}

.bttc-sz-template-link {
	grid-column: 1 / -1;
	justify-self: center;
	margin-top: 3px;
}

.bttc-sz-preview-card {
	position: sticky;
	top: 105px;
	padding: 20px;
	background: linear-gradient(180deg, #fff, #fcfbfc);
}

.bttc-sz-preview-header {
	display: grid;
	gap: 13px;
	margin-bottom: 15px;
}

.bttc-sz-preview-header > div:first-child strong {
	display: block;
	margin-top: 5px;
	font-size: 15px;
	color: var(--bttc-ink);
}

.bttc-sz-preview-tabs {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 4px;
	padding: 4px;
	border: 1px solid #dfd5ec;
	border-radius: 12px;
	background: #f2edf8;
}

.bttc-sz-preview-tabs button {
	min-height: 42px;
	padding: 8px 10px;
	border: 0;
	border-radius: 9px;
	background: transparent;
	font: inherit;
	font-size: 13px;
	font-weight: 850;
	color: #5c5368;
	cursor: pointer;
}

.bttc-sz-preview-tabs button[aria-selected="true"] {
	background: #fff;
	color: var(--bttc-purple-800);
	box-shadow: 0 5px 14px rgba(51, 30, 78, 0.1);
}

.bttc-sz-canvas-wrap {
	position: relative;
	width: min(100%, 360px);
	margin-inline: auto;
	overflow: hidden;
	border: 7px solid #15131a;
	border-radius: 30px;
	background: #191326;
	box-shadow: 0 24px 48px rgba(31, 19, 51, 0.22);
}

.bttc-sz-canvas-wrap::before {
	position: absolute;
	z-index: 4;
	inset: 8px auto auto 50%;
	width: 86px;
	height: 18px;
	border-radius: 999px;
	background: rgba(16, 10, 26, 0.88);
	content: "";
	pointer-events: none;
	transform: translateX(-50%);
}

.bttc-sz-canvas-wrap canvas {
	display: block;
	width: 100%;
	aspect-ratio: 9 / 16;
	background: #191326;
	cursor: default;
	touch-action: none;
}

.bttc-sz-canvas-wrap canvas.is-ready {
	cursor: grab;
}

.bttc-sz-canvas-wrap canvas.is-dragging {
	cursor: grabbing;
}

.bttc-sz-empty-preview {
	position: absolute;
	z-index: 2;
	inset: 0;
	display: flex;
	align-items: center;
	flex-direction: column;
	justify-content: center;
	padding: 30px;
	background:
		radial-gradient(circle at 50% 34%, rgba(104, 200, 208, 0.24), transparent 28%),
		linear-gradient(180deg, #242129, #15131a);
	text-align: center;
	color: #fff;
}

.bttc-sz-empty-preview[hidden] {
	display: none;
}

.bttc-sz-empty-preview > span {
	display: grid;
	place-items: center;
	width: 88px;
	height: 88px;
	margin-bottom: 18px;
	border: 2px dashed #75e6ec;
	border-radius: 22px;
	font-size: 20px;
	font-weight: 900;
	color: #9af3f6;
}

.bttc-sz-empty-preview strong {
	font-size: 20px;
}

.bttc-sz-empty-preview small {
	max-width: 230px;
	margin-top: 7px;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.72);
}

.bttc-sz-preview-legend {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px 15px;
	margin-top: 17px;
	font-size: 11px;
	font-weight: 700;
	color: var(--bttc-muted);
}

.bttc-sz-preview-legend span {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.bttc-sz-preview-legend i {
	display: block;
	width: 18px;
	height: 12px;
	border-radius: 3px;
}

.bttc-sz-legend-safe {
	border: 2px dashed var(--bttc-sz-deep-cyan);
	background: rgba(52, 214, 223, 0.12);
}

.bttc-sz-legend-risk {
	background: var(--bttc-sz-risk);
}

.bttc-sz-preview-card > p {
	margin: 9px 0 0;
	font-size: 11px;
	text-align: center;
	color: #777080;
}

.bttc-sz-explainer .bttc-info-grid {
	margin-top: 0;
}

.bttc-sz-source-note a {
	font-weight: 800;
	color: var(--bttc-purple-800);
}

.bttc-safe-zone bdi {
	font-variant-numeric: tabular-nums;
	unicode-bidi: isolate;
}

.bttc-sz-change-file:focus-visible,
.bttc-sz-template-link:focus-visible,
.bttc-sz-preview-tabs button:focus-visible,
.bttc-sz-choice-group input:focus-visible + span,
.bttc-sz-range input:focus-visible,
.bttc-sz-options-grid select:focus-visible,
.bttc-sz-toggles input:focus-visible {
	outline: 3px solid var(--bttc-sz-deep-cyan);
	outline-offset: 3px;
}

@media (max-width: 960px) {
	.bttc-sz-workspace,
	.bttc-sz-hero {
		grid-template-columns: 1fr;
	}

	.bttc-sz-hero-visual {
		display: none;
	}

	.bttc-sz-preview-card {
		position: static;
	}

	.bttc-sz-workspace[data-ready="true"] .bttc-sz-preview-card {
		order: -1;
	}
}

@media (max-width: 640px) {
	.bttc-sz-global-note {
		margin-top: -8px;
	}

	.bttc-sz-panel,
	.bttc-sz-preview-card {
		border-radius: 18px;
	}

	.bttc-sz-dropzone {
		min-height: 270px;
		padding: 26px 14px;
	}

	.bttc-sz-settings__header {
		align-items: stretch;
		flex-direction: column;
	}

	.bttc-sz-choice-group,
	.bttc-sz-options-grid,
	.bttc-sz-toggles,
	.bttc-sz-downloads {
		grid-template-columns: 1fr;
	}

	.bttc-sz-choice-group label > span {
		min-height: 68px;
	}

	.bttc-sz-file-meta {
		grid-template-columns: 56px minmax(0, 1fr);
	}

	.bttc-sz-file-meta__thumb {
		width: 56px;
	}

	.bttc-sz-change-file {
		grid-column: 1 / -1;
		justify-self: start;
	}

	.bttc-sz-downloads .bttc-button,
	.bttc-sz-template-link {
		grid-column: auto;
		min-height: 50px;
	}

	.bttc-sz-canvas-wrap {
		width: min(100%, 320px);
		border-width: 5px;
		border-radius: 24px;
	}
}

@media (max-width: 350px) {
	.bttc-sz-preview-tabs {
		grid-template-columns: 1fr;
	}

	.bttc-sz-canvas-wrap {
		width: min(100%, 286px);
	}
}

@media (prefers-reduced-motion: reduce) {
	.bttc-sz-dropzone {
		transition: none;
	}
}