/**
 * UNIKATX Schuhberater – Frontend.
 * Eigenständige Komponente, greift nicht in Shop-, Cart- oder Checkout-Styles ein.
 */

.usb {
	--usb-primary: #111111;
	--usb-gold: #c6a15b;
	--usb-bg: #f8f8f8;
	--usb-card: #ffffff;
	--usb-border: rgba(17, 17, 17, 0.1);
	--usb-radius: 14px;

	background: var(--usb-bg);
	color: var(--usb-primary);
	border-radius: var(--usb-radius);
	padding: 28px 22px;
	max-width: 1080px;
	margin: 0 auto;
	box-sizing: border-box;
}

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

.usb__title { margin: 0 0 8px; font-size: clamp(21px, 3vw, 28px); font-weight: 700; letter-spacing: -0.01em; }
.usb__lead { margin: 0 0 20px; opacity: 0.72; font-size: 15px; }
.usb__intro { text-align: center; }

/* ---------------------------------------------------------------- Buttons. */

.usb__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 22px;
	border-radius: 999px;
	border: 1px solid transparent;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.2;
	cursor: pointer;
	text-decoration: none;
	transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
	min-height: 44px;
}

.usb__btn:hover { transform: translateY(-1px); text-decoration: none; }
.usb__btn:focus-visible { outline: 3px solid var(--usb-gold); outline-offset: 2px; }

.usb__btn--primary { background: var(--usb-primary); color: #fff; }
.usb__btn--primary:hover { background: #000; color: #fff; }

.usb__btn--ghost { background: transparent; color: var(--usb-primary); border-color: var(--usb-border); }
.usb__btn--ghost:hover { background: rgba(17, 17, 17, 0.05); color: var(--usb-primary); }

.usb__btn--whatsapp { background: #25d366; color: #fff; }

/* --------------------------------------------------------------- Progress. */

.usb__progress { margin-bottom: 20px; }

.usb__progress-bar {
	height: 5px;
	border-radius: 999px;
	background: rgba(17, 17, 17, 0.09);
	overflow: hidden;
}

.usb__progress-bar span {
	display: block;
	height: 100%;
	width: 0;
	background: var(--usb-gold);
	transition: width 0.3s ease;
}

.usb__progress-text { margin: 8px 0 0; font-size: 13px; opacity: 0.6; }

/* ------------------------------------------------------------------ Steps. */

.usb__step[hidden] { display: none; }
.usb__question { margin: 0 0 16px; font-size: clamp(17px, 2.4vw, 21px); font-weight: 650; }

.usb__options {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
	gap: 10px;
}

.usb__options--sizes { grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); }
.usb__options[hidden] { display: none; }

.usb__option {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 6px;
	min-height: 76px;
	padding: 14px 10px;
	background: var(--usb-card);
	border: 1px solid var(--usb-border);
	border-radius: 12px;
	cursor: pointer;
	font-size: 14px;
	font-weight: 600;
	color: var(--usb-primary);
	text-align: center;
	transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.usb__option--size { min-height: 52px; }
.usb__option:hover { border-color: var(--usb-gold); transform: translateY(-1px); }
.usb__option:focus-visible { outline: 3px solid var(--usb-gold); outline-offset: 2px; }

.usb__option.is-selected {
	border-color: var(--usb-gold);
	box-shadow: inset 0 0 0 1px var(--usb-gold);
	background: rgba(198, 161, 91, 0.08);
}

.usb__option-icon { font-size: 22px; line-height: 1; }
.usb__hint { margin: 12px 0 0; font-size: 13px; opacity: 0.6; }

.usb__nav { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.usb__nav [data-usb-next] { margin-left: auto; }
.usb__nav [data-usb-back][hidden] { display: none; }

/* ---------------------------------------------------------------- Loading. */

.usb__loading { text-align: center; padding: 30px 0; }
.usb__loading[hidden] { display: none; }

.usb__spinner {
	display: inline-block;
	width: 26px;
	height: 26px;
	border: 3px solid rgba(17, 17, 17, 0.12);
	border-top-color: var(--usb-gold);
	border-radius: 50%;
	animation: usb-spin 0.8s linear infinite;
}

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

/* --------------------------------------------------------------- Results. */

.usb__results-head { text-align: center; margin-bottom: 20px; }
.usb__results-title { margin: 0 0 4px; font-size: clamp(19px, 2.6vw, 24px); font-weight: 700; }
.usb__results-head p { margin: 0; opacity: 0.7; font-size: 14px; }

.usb__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
	gap: 16px;
}

.usb__card {
	background: var(--usb-card);
	border: 1px solid var(--usb-border);
	border-radius: var(--usb-radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.usb__card-image { position: relative; display: block; line-height: 0; }
.usb__card-image img { width: 100%; height: auto; display: block; }

.usb__badge {
	position: absolute;
	top: 10px;
	left: 10px;
	background: var(--usb-gold);
	color: #111;
	font-size: 12px;
	font-weight: 700;
	padding: 4px 9px;
	border-radius: 999px;
	line-height: 1.3;
}

.usb__card-body { padding: 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.usb__brand { margin: 0; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.55; }
.usb__card-title { margin: 0; font-size: 15px; font-weight: 650; line-height: 1.35; }
.usb__card-title a { color: var(--usb-primary); text-decoration: none; }
.usb__card-title a:hover { color: var(--usb-gold); }
.usb__meta { margin: 0; font-size: 12.5px; opacity: 0.7; }
.usb__price { margin: 4px 0 0; font-size: 16px; font-weight: 700; }
.usb__price del { opacity: 0.5; font-weight: 500; margin-right: 5px; }

.usb__card-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 10px; }
.usb__card-actions .usb__btn { flex: 1 1 auto; padding: 10px 14px; font-size: 13.5px; }

.usb__ask {
	margin-top: 8px;
	font-size: 12.5px;
	color: var(--usb-gold);
	text-decoration: none;
	font-weight: 600;
}

.usb__ask:hover { text-decoration: underline; }

.usb__empty { text-align: center; padding: 20px 0; }
.usb__empty-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.usb__results-footer { text-align: center; margin: 22px 0 0; }

/* ----------------------------------------------------------- Mobile first. */

@media (max-width: 600px) {
	.usb { padding: 20px 14px; border-radius: 10px; }
	.usb__options { grid-template-columns: repeat(2, 1fr); gap: 8px; }
	.usb__options--sizes { grid-template-columns: repeat(4, 1fr); }
	.usb__option { min-height: 68px; font-size: 13.5px; }
	.usb__grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
	.usb__card-actions { flex-direction: column; }
	.usb__nav .usb__btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
	.usb__btn, .usb__option, .usb__progress-bar span { transition: none; }
	.usb__btn:hover, .usb__option:hover { transform: none; }
	.usb__spinner { animation-duration: 2s; }
}

/* ============================================================================
   Schwebende Blase und modales Fenster.
   ========================================================================== */

.usb-launcher {
	--usb-primary: #111111;
	--usb-gold: #c6a15b;
	--usb-launch-bottom: 90px;
	--usb-launch-side: 20px;
	--usb-launch-bottom-m: 90px;

	position: fixed;
	bottom: var(--usb-launch-bottom);
	z-index: 99980;
	font-family: inherit;
	width: auto;
	max-width: calc(100vw - (2 * var(--usb-launch-side)));
}

.usb-launcher--left { left: var(--usb-launch-side); right: auto; }
.usb-launcher--right { right: var(--usb-launch-side); left: auto; }

/* Themes setzen Buttons global um (Farbe, Radius, Breite). Die folgenden
   Deklarationen sind bewusst mit !important abgesichert – ohne sie erscheint
   die Blase in der Buttonfarbe des Themes und mit eckigen Kanten. */
.usb-launcher .usb-launcher__bubble {
	position: relative;
	display: inline-flex !important;
	align-items: center;
	justify-content: center;
	gap: 9px;
	width: auto !important;
	max-width: 100%;
	padding: 12px 20px 12px 16px !important;
	margin: 0 !important;
	border: 0 !important;
	border-radius: 999px !important;
	background: var(--usb-primary) !important;
	background-image: none !important;
	color: #fff !important;
	font-family: inherit;
	font-size: 14.5px !important;
	font-weight: 650;
	line-height: 1 !important;
	letter-spacing: normal;
	text-transform: none !important;
	text-decoration: none;
	cursor: pointer;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22) !important;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	animation: usb-bubble-in 0.4s ease both;
	min-height: 52px;
}

.usb-launcher .usb-launcher__bubble:hover {
	background: #000 !important;
	color: #fff !important;
	transform: translateY(-2px);
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28) !important;
}

.usb-launcher .usb-launcher__bubble:focus-visible { outline: 3px solid var(--usb-gold); outline-offset: 3px; }

.usb-launcher__icon { font-size: 21px; line-height: 1; }
.usb-launcher__text { white-space: nowrap; }

/* Dezenter Goldring – zieht Blicke, ohne zu blinken. */
.usb-launcher__pulse {
	position: absolute;
	inset: -3px;
	border-radius: 999px;
	border: 2px solid var(--usb-gold);
	opacity: 0;
	animation: usb-pulse 3.2s ease-out infinite;
	pointer-events: none;
}

@keyframes usb-pulse {
	0%   { transform: scale(1); opacity: 0.55; }
	55%  { transform: scale(1.12); opacity: 0; }
	100% { transform: scale(1.12); opacity: 0; }
}

@keyframes usb-bubble-in {
	from { opacity: 0; transform: translateY(12px) scale(0.94); }
	to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* --------------------------------------------------------------- Fenster. */

.usb-modal { position: fixed; inset: 0; z-index: 99999; display: flex; align-items: center; justify-content: center; padding: 20px; }
.usb-modal[hidden] { display: none; }

.usb-modal__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(10, 10, 10, 0.62);
	backdrop-filter: blur(2px);
	animation: usb-fade 0.2s ease both;
}

.usb-modal__box {
	position: relative;
	width: 100%;
	max-width: 760px;
	max-height: min(88vh, 900px);
	overflow-y: auto;
	background: #fff;
	border-radius: 16px;
	box-shadow: 0 30px 70px rgba(0, 0, 0, 0.4);
	animation: usb-modal-in 0.25s ease both;
	-webkit-overflow-scrolling: touch;
}

@keyframes usb-fade { from { opacity: 0; } to { opacity: 1; } }

@keyframes usb-modal-in {
	from { opacity: 0; transform: translateY(14px) scale(0.985); }
	to   { opacity: 1; transform: translateY(0) scale(1); }
}

.usb-modal__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 16px 18px 12px;
	border-bottom: 1px solid rgba(17, 17, 17, 0.08);
	position: sticky;
	top: 0;
	background: #fff;
	z-index: 2;
	border-radius: 16px 16px 0 0;
}

.usb-modal__eyebrow { margin: 0; font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--usb-gold); }

.usb-modal__close {
	background: none;
	border: 0;
	padding: 6px;
	cursor: pointer;
	color: var(--usb-primary);
	opacity: 0.55;
	display: flex;
	border-radius: 6px;
	min-width: 34px;
	min-height: 34px;
	align-items: center;
	justify-content: center;
}

.usb-modal__close:hover { opacity: 1; }
.usb-modal__close:focus-visible { outline: 2px solid var(--usb-gold); outline-offset: 2px; }

.usb-modal__body { padding: 0; }
.usb-modal__body .usb { background: #fff; border-radius: 0; padding: 20px 18px 24px; max-width: none; }
.usb-modal__body .usb__title { font-size: 20px; }

body.usb-modal-open { overflow: hidden; }

@media (max-width: 600px) {
	.usb-launcher { bottom: var(--usb-launch-bottom-m); }
	.usb-launcher .usb-launcher__bubble { padding: 11px 16px 11px 13px !important; font-size: 13.5px !important; min-height: 48px; }

	.usb-modal { padding: 0; align-items: flex-end; }
	.usb-modal__box { max-width: none; max-height: 92vh; border-radius: 16px 16px 0 0; }
	.usb-modal__head { border-radius: 16px 16px 0 0; }
}

/* Auf Produktseiten mobil höher setzen, damit Kaufbuttons frei bleiben. */
@media (max-width: 782px) {
	body.single-product .usb-launcher { bottom: calc(var(--usb-launch-bottom-m) + 62px); }
}

@media (prefers-reduced-motion: reduce) {
	.usb-launcher__bubble, .usb-modal__box, .usb-modal__backdrop { animation: none; }
	.usb-launcher__pulse { display: none; }
	.usb-launcher__bubble { transition: none; }
	.usb-launcher__bubble:hover { transform: none; }
}