/**
 * Berezin Badkonfigurator - Frontend
 *
 * Umsetzung der Design-Spezifikation aus "Claude Design" (Variante A:
 * Auswahl-Zustände in Beinahe-Schwarz statt Markenorange). Alle Regeln sind
 * auf .bk-app begrenzt, damit Divi-Styles nicht kollidieren. Die Schrift wird
 * bewusst NICHT eingebunden - Poppins läuft bereits auf der Seite und wird
 * hier nur geerbt (mit System-Fallback, falls das Widget einmal ohne die
 * Website-Schrift läuft).
 */

.bk-app {
	/* Die drei vom Kunden steuerbaren Variablen (siehe Einstellungen). */
	--bk-primary: #1e1f22;
	--bk-accent: #15161a;
	--bk-radius: 16px;

	/* Feste Werte aus der Design-Spezifikation. */
	--bk-card-radius: calc(var(--bk-radius) - 2px);
	--bk-bg: #ffffff;
	--bk-border: #e8e5df;
	--bk-border-hover: #c9c5bb;
	--bk-surface: #f3f1ec;
	--bk-surface-border: #e0ddd6;
	--bk-muted: #6b6c70;
	--bk-faint: #97989c;
	--bk-text: #2b2c30;
	--bk-bar-bg: rgba(250, 250, 248, .94);
	--bk-bar-shadow: 0 10px 30px -26px rgba(10, 11, 14, .5);
	--bk-primary-soft: color-mix(in srgb, var(--bk-primary) 10%, #fff);
	--bk-primary-wash: color-mix(in srgb, var(--bk-primary) 12%, transparent);
	--bk-primary-halo: color-mix(in srgb, var(--bk-primary) 8%, transparent);
	--bk-primary-dark: color-mix(in srgb, var(--bk-primary) 88%, #000);

	position: relative;
	box-sizing: border-box;
	max-width: 1180px;
	margin: 0 auto;
	color: var(--bk-text);
	font-family: 'Poppins', system-ui, -apple-system, sans-serif;
	font-size: 16px;
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

.bk-app *,
.bk-app *::before,
.bk-app *::after {
	box-sizing: border-box;
}

.bk-app .bk-boot,
.bk-app .bk-notice {
	padding: 32px;
	border: 1px dashed var(--bk-border);
	border-radius: var(--bk-radius);
	color: var(--bk-muted);
	text-align: center;
}

/* ---------- Kopfbereich (optional, nur wenn Headline/Intro gesetzt) ---------- */

.bk-app .bk-header {
	margin-bottom: 18px;
}

.bk-app .bk-header h2 {
	margin: 0 0 8px;
	font-size: clamp(24px, 3vw, 36px);
	line-height: 1.1;
	letter-spacing: -0.02em;
	font-weight: 500;
	color: var(--bk-accent);
}

.bk-app .bk-header p {
	margin: 0;
	max-width: 70ch;
	font-size: 16px;
	line-height: 1.6;
	color: var(--bk-text);
}

/* ---------- Sticky-Leiste ---------- */

.bk-app .bk-topbar {
	position: sticky;
	top: 0;
	z-index: 20;
	background: var(--bk-bar-bg);
	backdrop-filter: saturate(140%) blur(14px);
	-webkit-backdrop-filter: saturate(140%) blur(14px);
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-radius);
	padding: 16px clamp(18px, 2.4vw, 26px);
	margin-bottom: clamp(14px, 1.8vw, 20px);
	box-shadow: var(--bk-bar-shadow);
}

.bk-app .bk-bar-inner {
	display: flex;
	align-items: center;
	gap: clamp(20px, 3vw, 40px);
}

.bk-app .bk-topbar-left {
	flex: 1;
	min-width: 0;
}

.bk-app .bk-stepcount {
	display: block;
	margin-bottom: 10px;
	font-size: 11px;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	font-weight: 500;
	color: var(--bk-muted);
}

.bk-app .bk-progress {
	position: relative;
	height: 4px;
	overflow: hidden;
	background: var(--bk-border);
	border-radius: 999px;
}

.bk-app .bk-progress-bar {
	position: absolute;
	inset: 0 auto 0 0;
	width: 0;
	height: 100%;
	background: var(--bk-primary);
	border-radius: 999px;
	transition: width 400ms ease;
}

.bk-app .bk-pricebox {
	flex-shrink: 0;
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 4px;
	padding-left: clamp(20px, 3vw, 32px);
	border-left: 1px solid var(--bk-border);
}

.bk-app .bk-price-label {
	font-size: 11px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	font-weight: 500;
	color: var(--bk-muted);
}

.bk-app .bk-price-value {
	display: inline-block;
	font-size: clamp(22px, 2.4vw, 28px);
	line-height: 1.05;
	font-weight: 400;
	letter-spacing: -0.025em;
	font-variant-numeric: tabular-nums;
	padding: 2px 6px;
	margin: -2px -6px;
	border-radius: 6px;
	background: transparent;
}

.bk-app .bk-price-value.is-pulse {
	animation: bk-price-pulse 600ms ease;
}

@keyframes bk-price-pulse {
	0% { background: transparent; }
	40% { background: var(--bk-primary-wash); }
	100% { background: transparent; }
}

/* ---------- Bühne ---------- */

.bk-app .bk-stage {
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-radius);
	padding: clamp(24px, 3.4vw, 44px) clamp(20px, 3.2vw, 44px) clamp(20px, 2.6vw, 32px);
	overflow: hidden;
	transition: height 320ms ease;
}

.bk-app .bk-slide {
	transition: transform 280ms ease, opacity 280ms ease;
}

@media (prefers-reduced-motion: reduce) {
	.bk-app .bk-slide,
	.bk-app .bk-stage,
	.bk-app .bk-progress-bar,
	.bk-app .bk-price-value {
		transition: none !important;
		animation: none !important;
	}
}

.bk-app .bk-slide-head {
	margin-bottom: 22px;
}

.bk-app .bk-slide-head h3 {
	margin: 0 0 12px;
	font-size: clamp(24px, 2.6vw, 34px);
	line-height: 1.12;
	letter-spacing: -0.022em;
	font-weight: 500;
	color: var(--bk-accent);
}

.bk-app .bk-slide-head p {
	margin: 0 0 8px;
	max-width: 64ch;
	font-size: clamp(15px, 1.2vw, 17px);
	line-height: 1.6;
	color: var(--bk-text);
}

.bk-app .bk-hint {
	display: block;
	margin: 0 0 4px;
	font-size: 13px;
	line-height: 1.5;
	color: var(--bk-muted);
}

.bk-app .bk-req {
	color: #c4382f;
	font-weight: 400;
}

/* ---------- Optionsraster ---------- */

.bk-app .bk-options {
	display: grid;
	gap: clamp(12px, 1.4vw, 18px);
	margin: clamp(22px, 2.6vw, 30px) 0 0;
	padding: 0;
	list-style: none;
	border: 0;
}

.bk-app .bk-option {
	position: relative;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-card-radius);
	cursor: pointer;
	outline-offset: 2px;
	transition: border-color .2s ease, box-shadow .2s ease;
}

.bk-app .bk-option:hover {
	border-color: var(--bk-border-hover);
	box-shadow: 0 12px 26px -22px rgba(10, 11, 14, .5);
}

.bk-app .bk-option:focus-visible {
	outline: 2px solid var(--bk-primary);
}

.bk-app .bk-option.is-selected {
	border: 2px solid var(--bk-primary);
	box-shadow: 0 0 0 4px var(--bk-primary-halo);
	padding: 0;
}

.bk-app .bk-option.is-selected:hover {
	border-color: var(--bk-primary);
}

.bk-app .bk-option input {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.bk-app .bk-option-media {
	position: relative;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	display: grid;
	place-items: center;
	background: var(--bk-surface);
}

.bk-app .bk-option-media.bk-tone-0 { background: #f0ece2; }
.bk-app .bk-option-media.bk-tone-1 { background: #e9e4d8; }
.bk-app .bk-option-media.bk-tone-2 { background: #f2eee6; }
.bk-app .bk-option-media.is-none { background: #f6f4ef; }

.bk-app .bk-option-media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.bk-app .bk-option-placeholder {
	opacity: .28;
	color: var(--bk-accent);
}

.bk-app .bk-option-media.is-none .bk-option-placeholder {
	opacity: .32;
}

.bk-app .bk-option-body {
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding: 13px 15px 15px;
}

.bk-app .bk-option-title {
	font-size: 14.5px;
	font-weight: 500;
	letter-spacing: -0.006em;
	line-height: 1.35;
	color: var(--bk-primary);
}

.bk-app .bk-option-media.is-none + .bk-option-body .bk-option-title {
	color: var(--bk-muted);
}

.bk-app .bk-option-desc {
	font-size: 13px;
	line-height: 1.5;
	color: var(--bk-muted);
}

.bk-app .bk-option-price {
	margin-top: auto;
	padding-top: 2px;
	font-size: 13px;
	font-weight: 500;
	color: var(--bk-accent);
	font-variant-numeric: tabular-nums;
}

.bk-app .bk-check {
	position: absolute;
	top: 10px;
	right: 10px;
	display: flex;
	width: 28px;
	height: 28px;
	align-items: center;
	justify-content: center;
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
	border-radius: 999px;
	box-shadow: 0 4px 12px -4px rgba(10, 11, 14, .3);
}

.bk-app .bk-options.is-multi .bk-check {
	border-radius: 8px;
}

.bk-app .bk-check svg {
	width: 14px;
	height: 14px;
	opacity: 0;
	stroke: #fff;
	transform: scale(.6);
	transition: opacity .18s ease, transform .18s ease;
}

.bk-app .bk-option.is-selected .bk-check {
	background: var(--bk-primary);
	border-color: var(--bk-primary);
}

.bk-app .bk-option.is-selected .bk-check svg {
	opacity: 1;
	transform: scale(1);
}

/* ---------- Massschritt ---------- */

.bk-app .bk-dims {
	margin-top: clamp(22px, 2.6vw, 30px);
	background: var(--bk-surface);
	border: 1px solid var(--bk-surface-border);
	border-radius: var(--bk-card-radius);
	padding: clamp(20px, 2.4vw, 28px);
}

.bk-app .bk-dims-title {
	display: block;
	margin: 0 0 16px;
	font-size: 11px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	font-weight: 500;
	color: var(--bk-muted);
}

.bk-app .bk-dims-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 12px;
}

.bk-app .bk-field label {
	display: block;
	margin-bottom: 7px;
	font-size: 12.5px;
	color: var(--bk-muted);
}

.bk-app .bk-dim-input {
	display: flex;
	align-items: center;
	gap: 8px;
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
	border-radius: 10px;
	padding: 11px 14px;
	transition: border-color .16s ease;
}

.bk-app .bk-dim-input:focus-within {
	border-color: var(--bk-primary);
}

.bk-app .bk-dim-input input {
	border: 0;
	outline: 0;
	background: transparent;
	width: 100%;
	padding: 0;
	font-size: 16px;
	font-family: inherit;
	font-variant-numeric: tabular-nums;
}

.bk-app .bk-dim-input .bk-unit {
	flex-shrink: 0;
	font-size: 13px;
	color: var(--bk-faint);
}

.bk-app .bk-areas {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 24px;
	margin-top: 16px;
	padding-top: 14px;
	border-top: 1px solid var(--bk-surface-border);
	font-size: 14px;
	color: var(--bk-text);
}

.bk-app .bk-areas strong {
	font-weight: 500;
	font-variant-numeric: tabular-nums;
}

/* ---------- Formularfelder (Massschritt + Anfrage teilen sich das) ---------- */

.bk-app .bk-field input,
.bk-app .bk-field select,
.bk-app .bk-field textarea {
	display: block;
	width: 100%;
	padding: 12px 14px;
	font-family: inherit;
	font-size: 15px;
	color: var(--bk-text);
	background: var(--bk-bg);
	border: 1px solid var(--bk-border);
	border-radius: 10px;
	outline: 0;
	transition: border-color .16s ease;
}

.bk-app .bk-field textarea {
	line-height: 1.6;
	resize: vertical;
}

.bk-app .bk-field input:focus,
.bk-app .bk-field select:focus,
.bk-app .bk-field textarea:focus {
	border-color: var(--bk-primary);
}

.bk-app .bk-field.has-error input,
.bk-app .bk-field.has-error select,
.bk-app .bk-field.has-error textarea {
	border-color: #c4382f;
}

.bk-app .bk-field-error {
	margin-top: 6px;
	font-size: 12.5px;
	color: #c4382f;
}

/* ---------- Navigation ---------- */

.bk-app .bk-nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	margin-top: clamp(26px, 3vw, 38px);
	padding-top: clamp(18px, 2.2vw, 24px);
	border-top: 1px solid var(--bk-border);
}

.bk-app .bk-nav-left {
	display: flex;
	align-items: center;
	gap: 12px;
}

.bk-app .bk-nav-right {
	display: flex;
	align-items: center;
	gap: 14px;
	flex-wrap: wrap;
	margin-left: auto;
}

.bk-app button.bk-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	background: transparent !important;
	color: var(--bk-primary) !important;
	border: 1px solid var(--bk-surface-border) !important;
	border-radius: 999px !important;
	padding: 13px 24px !important;
	font-family: inherit;
	font-size: 14px !important;
	font-weight: 500;
	line-height: 1.2;
	text-transform: none !important;
	letter-spacing: 0 !important;
	cursor: pointer;
	transition: border-color .16s ease, color .16s ease, background .16s ease;
}

.bk-app button.bk-btn::after {
	display: none !important;
}

.bk-app button.bk-btn:hover {
	border-color: var(--bk-primary) !important;
}

.bk-app button.bk-btn[disabled] {
	border-color: #efece6 !important;
	color: var(--bk-border-hover) !important;
	cursor: not-allowed;
}

.bk-app button.bk-btn[disabled]:hover {
	border-color: #efece6 !important;
}

.bk-app button.bk-btn.bk-primary {
	background: var(--bk-primary) !important;
	color: #fafaf8 !important;
	border-color: var(--bk-primary) !important;
	min-width: 150px;
}

.bk-app button.bk-btn.bk-primary:hover {
	background: var(--bk-primary-dark) !important;
	border-color: var(--bk-primary-dark) !important;
}

.bk-app button.bk-btn.bk-ghost {
	background: transparent !important;
	border: 0 !important;
	color: var(--bk-muted) !important;
	padding: 13px 6px !important;
	text-decoration: underline;
	text-decoration-color: var(--bk-border-hover);
	text-underline-offset: 4px;
}

.bk-app button.bk-btn.bk-ghost:hover {
	color: var(--bk-primary) !important;
	text-decoration-color: var(--bk-primary);
}

.bk-app .bk-btn-icon {
	display: inline-flex;
	flex-shrink: 0;
}

.bk-app .bk-alert {
	display: flex;
	align-items: center;
	gap: 11px;
	margin-bottom: 16px;
	padding: 12px 16px;
	font-size: 13.5px;
	line-height: 1.5;
	color: #a8302a;
	background: #fdf1f0;
	border: 1px solid #eec9c5;
	border-radius: 10px;
}

.bk-app .bk-alert svg {
	flex-shrink: 0;
}

.bk-app .bk-disclaimer {
	margin: clamp(14px, 1.8vw, 20px) 4px 0;
	font-size: 12.5px;
	line-height: 1.7;
	color: var(--bk-muted);
	max-width: 96ch;
}

/* ---------- Zusammenfassung ---------- */

.bk-app .bk-summary {
	border-top: 1px solid var(--bk-border);
}

.bk-app .bk-summary-row {
	display: grid;
	grid-template-columns: minmax(150px, .9fr) 1.4fr auto;
	gap: 16px;
	align-items: baseline;
	padding: 13px 0;
	border-bottom: 1px solid var(--bk-border);
}

.bk-app .bk-summary-label {
	font-size: 13px;
	color: var(--bk-muted);
}

.bk-app .bk-summary-value {
	font-size: 14.5px;
	font-weight: 500;
	line-height: 1.45;
	color: var(--bk-primary);
}

.bk-app .bk-summary-value.is-empty {
	font-weight: 400;
	color: var(--bk-faint);
}

.bk-app .bk-summary-edit {
	padding: 0;
	font-size: 13px;
	font-weight: 500;
	color: var(--bk-primary);
	background: none;
	border: 0;
	border-bottom: 1px solid var(--bk-border-hover);
	cursor: pointer;
	white-space: nowrap;
}

.bk-app .bk-summary-edit:hover {
	border-bottom-color: var(--bk-primary);
}

.bk-app .bk-total {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 20px;
	margin-top: clamp(24px, 2.8vw, 34px);
	padding: clamp(22px, 2.6vw, 34px) clamp(24px, 3vw, 36px);
	background: var(--bk-accent);
	border-radius: var(--bk-card-radius);
}

.bk-app .bk-total-label {
	display: block;
	margin-bottom: 8px;
	font-size: 11px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	font-weight: 500;
	color: rgba(255, 255, 255, .55);
}

.bk-app .bk-total-value {
	display: block;
	font-size: clamp(28px, 3.4vw, 42px);
	line-height: 1;
	font-weight: 400;
	letter-spacing: -0.03em;
	color: #ffffff;
	font-variant-numeric: tabular-nums;
}

.bk-app .bk-total-note {
	font-size: 12.5px;
	line-height: 1.6;
	color: rgba(255, 255, 255, .6);
	max-width: 34ch;
}

.bk-app .bk-total.is-light {
	background: #fafaf8;
	border: 1px solid var(--bk-border);
}

.bk-app .bk-total.is-light .bk-total-label {
	color: var(--bk-muted);
}

.bk-app .bk-total.is-light .bk-total-value {
	color: var(--bk-accent);
}

/* ---------- Formular (Anfrage) ---------- */

.bk-app .bk-form-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(14px, 1.6vw, 20px);
}

.bk-app .bk-field.is-full {
	grid-column: 1 / -1;
}

.bk-app .bk-consent {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 14px;
	align-items: start;
	margin-top: clamp(20px, 2.4vw, 26px);
	cursor: pointer;
}

.bk-app .bk-consent input {
	width: 20px;
	height: 20px;
	margin: 2px 0 0;
	flex-shrink: 0;
	accent-color: var(--bk-primary);
	cursor: pointer;
}

.bk-app .bk-consent-text {
	font-size: 13.5px;
	line-height: 1.6;
	color: var(--bk-text);
}

.bk-app .bk-consent a {
	color: inherit;
	border-bottom: 1px solid var(--bk-border-hover);
	text-decoration: none;
}

.bk-app .bk-consent.has-error .bk-consent-text {
	color: #a8302a;
}

.bk-app .bk-consent-error {
	display: block;
	margin-top: 6px;
	font-size: 12.5px;
	color: #c4382f;
}

.bk-app .bk-hp {
	position: absolute !important;
	left: -9999px !important;
}

/* ---------- Erfolg ---------- */

.bk-app .bk-success {
	padding: clamp(30px, 5vw, 64px) 0;
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.bk-app .bk-success-icon {
	display: grid;
	place-items: center;
	width: 72px;
	height: 72px;
	margin-bottom: 28px;
	background: #e8f3ea;
	border: 1px solid #bcd9c3;
	border-radius: 50%;
	color: #2f7d46;
}

.bk-app .bk-success h3 {
	margin: 0 0 14px;
	font-size: clamp(24px, 2.6vw, 34px);
	line-height: 1.12;
	letter-spacing: -0.022em;
	font-weight: 500;
	color: var(--bk-accent);
}

.bk-app .bk-success p.bk-success-text {
	margin: 0 0 30px;
	max-width: 52ch;
	font-size: clamp(15px, 1.2vw, 17px);
	line-height: 1.65;
	color: var(--bk-text);
}

.bk-app .bk-success-price {
	margin-bottom: 32px;
	padding: 22px 34px;
	background: #fafaf8;
	border: 1px solid var(--bk-border);
	border-radius: var(--bk-card-radius);
}

.bk-app .bk-success-price span {
	display: block;
	margin-bottom: 8px;
	font-size: 11px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	font-weight: 500;
	color: var(--bk-muted);
}

.bk-app .bk-success-price strong {
	display: block;
	font-size: clamp(26px, 3vw, 34px);
	line-height: 1;
	font-weight: 400;
	letter-spacing: -0.028em;
	font-variant-numeric: tabular-nums;
	color: var(--bk-accent);
}

.bk-app .bk-spinner {
	display: inline-block;
	width: 15px;
	height: 15px;
	border: 2px solid rgba(250, 250, 248, .35);
	border-top-color: #fafaf8;
	border-radius: 50%;
	animation: bk-spin .7s linear infinite;
}

@keyframes bk-spin {
	to { transform: rotate(360deg); }
}

/* ---------- Responsiv ---------- */

@media (max-width: 820px) {
	.bk-app .bk-bar-inner {
		flex-direction: column;
		align-items: stretch;
		gap: 14px;
	}

	.bk-app .bk-pricebox {
		align-items: flex-start;
		padding-left: 0;
		padding-top: 12px;
		border-left: 0;
		border-top: 1px solid var(--bk-border);
	}

	.bk-app .bk-options {
		grid-template-columns: repeat(2, 1fr) !important;
		max-width: none !important;
	}

	.bk-app .bk-dims-grid,
	.bk-app .bk-form-grid {
		grid-template-columns: 1fr;
	}

	.bk-app .bk-summary-row {
		grid-template-columns: 1fr;
		gap: 4px;
	}

	.bk-app .bk-nav {
		flex-direction: column-reverse;
		align-items: stretch;
	}

	.bk-app .bk-nav-left,
	.bk-app .bk-nav-right {
		flex-direction: column;
		align-items: stretch;
		margin-left: 0;
	}

	.bk-app button.bk-btn {
		width: 100%;
	}

	.bk-app button.bk-btn.bk-ghost {
		order: 2;
	}
}

@media (max-width: 330px) {
	.bk-app .bk-options {
		grid-template-columns: 1fr !important;
	}
}