/**
 * Viper Forms – Basis-Frontend-Styles.
 * Bewusst zurückhaltend; das vollständige Stil-System kommt in Meilenstein M7.
 */

.vf-form-wrap {
	--vf-gap: 1.25rem;
	--vf-border: #c3c4c7;
	--vf-border-focus: #2271b1;
	--vf-error: #d63638;
	--vf-success: #00844a;
	--vf-radius: 4px;
	--vf-text: inherit;
	max-width: 100%;
}

.vf-form__parts {
	display: flex;
	flex-wrap: wrap;
	gap: var(--vf-gap);
}

.vf-part {
	flex: 1 1 100%;
	min-width: 0;
	margin: 0;
}

.vf-part--width-half { flex-basis: calc(50% - (var(--vf-gap) / 2)); }
.vf-part--width-third { flex-basis: calc(33.333% - (var(--vf-gap) * 2 / 3)); }
.vf-part--width-two-thirds { flex-basis: calc(66.666% - (var(--vf-gap) / 3)); }
.vf-part--width-quarter { flex-basis: calc(25% - (var(--vf-gap) * 3 / 4)); }

@media (max-width: 600px) {
	.vf-part[class*="vf-part--width-"] { flex-basis: 100%; }
}

.vf-part__label {
	display: block;
	margin-bottom: 0.375rem;
	font-weight: 600;
	line-height: 1.3;
}

.vf-part__required {
	color: var(--vf-error);
}

.vf-part__optional {
	margin-left: 0.25em;
	font-weight: 400;
	font-size: 0.85em;
	color: var(--vf-desc-color, #767676);
	opacity: 0.85;
}

.vf-part__description {
	margin: 0 0 0.5rem;
	font-size: 0.875em;
	opacity: 0.8;
}

.vf-part__error-message {
	margin: 0 0 0.375rem;
	color: var(--vf-error);
	font-size: 0.875em;
	font-weight: 600;
}

.vf-input,
.vf-form-wrap textarea.vf-input,
.vf-form-wrap select.vf-input {
	width: 100%;
	box-sizing: border-box;
	padding: 0.625rem 0.75rem;
	border: 1px solid var(--vf-border);
	border-radius: var(--vf-radius);
	background: #fff;
	color: var(--vf-text);
	font: inherit;
	line-height: 1.4;
}

.vf-input:focus {
	border-color: var(--vf-border-focus);
	outline: 2px solid transparent;
	box-shadow: 0 0 0 1px var(--vf-border-focus);
}

.vf-part--error .vf-input {
	border-color: var(--vf-error);
}

.vf-choices {
	display: flex;
	gap: 0.5rem 1.25rem;
}

.vf-choices--vertical { flex-direction: column; }
.vf-choices--horizontal { flex-direction: row; flex-wrap: wrap; }

.vf-choice {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
}

.vf-choice__input {
	margin-top: 0.2em;
	flex: 0 0 auto;
}

.vf-choice__label {
	font-weight: 400;
	line-height: 1.4;
}

.vf-form__footer {
	margin-top: var(--vf-gap);
}

.vf-form__submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.7rem 1.5rem;
	border: 0;
	border-radius: var(--vf-radius);
	background: var(--vf-border-focus);
	color: #fff;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.vf-form__submit:hover { filter: brightness(0.94); }
.vf-form__submit:disabled { opacity: 0.6; cursor: default; }

.vf-form--submitting { opacity: 0.85; }

.vf-notice {
	padding: 0.75rem 1rem;
	border-radius: var(--vf-radius);
	border-left: 4px solid var(--vf-border);
	background: #f0f0f1;
}

.vf-notice--error {
	border-left-color: var(--vf-error);
	background: #fcf0f1;
	color: var(--vf-error);
}

.vf-notice--success {
	border-left-color: var(--vf-success);
	background: #edfaf2;
	color: var(--vf-success);
}

.vf-form__messages:not(:empty) {
	margin-bottom: var(--vf-gap);
}

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden; clip: rect(0 0 0 0);
	white-space: nowrap; border: 0;
}

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

.vf-heading { margin: 0.5rem 0; }
.vf-paragraph { margin: 0; }
.vf-align-center { text-align: center; }
.vf-align-right { text-align: right; }

.vf-divider {
	border: 0;
	border-top: 1px solid var(--vf-border);
	margin: 0.5rem 0;
}
.vf-divider--dashed { border-top-style: dashed; }
.vf-divider--dotted { border-top-style: dotted; }
.vf-divider--space { height: 1rem; }

.vf-media { margin: 0; }
.vf-media.vf-align-center { text-align: center; }
.vf-media.vf-align-right { text-align: right; }

/* Adresse -------------------------------------------------------------- */

.vf-address {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}
.vf-address__row { flex: 1 1 100%; }
.vf-address__row--third { flex-basis: calc(33% - 0.5rem); }
.vf-address__row--two-thirds { flex-basis: calc(67% - 0.5rem); }
.vf-address__label {
	display: block;
	font-size: 0.8em;
	font-weight: 600;
	margin-bottom: 0.25rem;
}

/* Bewertung / Skala -------------------------------------------------------- */

.vf-rating {
	display: inline-flex;
	flex-direction: row-reverse;
	gap: 0.1rem;
	font-size: 1.8rem;
	line-height: 1;
}
.vf-rating__input {
	position: absolute;
	opacity: 0;
	width: 1px; height: 1px;
}
.vf-rating__star {
	cursor: pointer;
	color: var(--vf-border);
	transition: color 0.1s;
}
.vf-rating__input:checked ~ .vf-rating__star,
.vf-rating__star:hover,
.vf-rating__star:hover ~ .vf-rating__star,
.vf-rating:not(:hover) .vf-rating__input:checked ~ .vf-rating__star {
	color: #f5a623;
}
.vf-rating__input:focus-visible + .vf-rating__star {
	outline: 2px solid var(--vf-border-focus);
}

.vf-scale__row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.375rem;
}
.vf-scale__item { flex: 1; min-width: 40px; }
.vf-scale__input { position: absolute; opacity: 0; }
.vf-scale__label {
	display: block;
	text-align: center;
	padding: 0.5rem 0.25rem;
	border: 1px solid var(--vf-border);
	border-radius: var(--vf-radius);
	cursor: pointer;
}
.vf-scale__input:checked + .vf-scale__label {
	background: var(--vf-border-focus);
	color: #fff;
	border-color: var(--vf-border-focus);
}
.vf-scale__input:focus-visible + .vf-scale__label { outline: 2px solid var(--vf-border-focus); }
.vf-scale__ends {
	display: flex;
	justify-content: space-between;
	font-size: 0.8em;
	opacity: 0.7;
	margin-top: 0.25rem;
}

/* Slider ----------------------------------------------------------------- */

.vf-slider {
	display: flex;
	align-items: center;
	gap: 1rem;
}
.vf-slider__input { flex: 1; }
.vf-slider__value {
	min-width: 3.5rem;
	font-weight: 600;
	text-align: right;
}

/* Rangfolge ------------------------------------------------------------ */

.vf-rank {
	list-style: none;
	margin: 0;
	padding: 0;
}
.vf-rank__item {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.625rem 0.75rem;
	margin-bottom: 0.375rem;
	border: 1px solid var(--vf-border);
	border-radius: var(--vf-radius);
	background: #fff;
	cursor: grab;
}
.vf-rank__item.is-dragging { opacity: 0.5; }
.vf-rank__handle { color: var(--vf-border); cursor: grab; }
.vf-rank__pos { font-weight: 700; min-width: 1.5rem; }

/* Umfrage-Ergebnisse -------------------------------------------------- */

.vf-poll__results { margin-top: 0.75rem; }
.vf-poll__result { margin-bottom: 0.5rem; }
.vf-poll__result-head {
	display: flex;
	justify-content: space-between;
	font-size: 0.875em;
	margin-bottom: 0.2rem;
}
.vf-poll__bar {
	height: 8px;
	background: #f0f0f1;
	border-radius: 4px;
	overflow: hidden;
}
.vf-poll__bar span {
	display: block;
	height: 100%;
	background: var(--vf-border-focus);
	transition: width 0.4s;
}

/* Scrollbare AGB ---------------------------------------------------------- */

.vf-terms__box {
	overflow-y: auto;
	padding: 0.75rem 1rem;
	border: 1px solid var(--vf-border);
	border-radius: var(--vf-radius);
	background: #fff;
	font-size: 0.9em;
	line-height: 1.5;
}
.vf-terms__control { margin-top: 0.5rem; }
.vf-terms__agree:disabled + .vf-choice__label { opacity: 0.5; }

/* Matrix / Likert ------------------------------------------------------- */

.vf-matrix-wrap { overflow-x: auto; }
.vf-matrix {
	width: 100%;
	border-collapse: collapse;
}
.vf-matrix th, .vf-matrix td {
	padding: 0.5rem;
	text-align: center;
	border-bottom: 1px solid var(--vf-border);
}
.vf-matrix th[scope="row"] { text-align: left; font-weight: 500; }
.vf-matrix thead th { font-size: 0.85em; }

/* Datei / Unterschrift / Zahlung --------------------------------------- */

.vf-file__hint,
.vf-payment__amount {
	font-size: 0.85em;
	opacity: 0.75;
	margin: 0.375rem 0 0;
}
.vf-payment__amount { font-size: 1.25em; font-weight: 700; opacity: 1; }
.vf-payment__user { display: flex; align-items: center; gap: 0.5rem; }
.vf-payment__user .vf-input { max-width: 10rem; }

.vf-signature__canvas {
	width: 100%;
	max-width: 600px;
	height: auto;
	border: 1px solid var(--vf-border);
	border-radius: var(--vf-radius);
	background: #fff;
	touch-action: none;
	cursor: crosshair;
}
.vf-signature__clear { margin-top: 0.5rem; }

/* Mehrseitige Formulare -------------------------------------------------- */

.vf-steps__progress {
	position: relative;
	height: 8px;
	background: #f0f0f1;
	border-radius: 4px;
	margin-bottom: var(--vf-gap);
	overflow: hidden;
}
.vf-steps__progress-bar {
	display: block;
	height: 100%;
	background: var(--vf-border-focus);
	transition: width 0.3s;
}
.vf-steps__progress-text {
	position: absolute;
	top: 14px;
	right: 0;
	font-size: 0.8em;
	opacity: 0.7;
}
.vf-step__nav {
	display: flex;
	justify-content: space-between;
	gap: 0.5rem;
	margin-top: var(--vf-gap);
}
.vf-step__nav .vf-step__next { margin-left: auto; }

/* Fade-Submit --------------------------------------------------------- */

.vf-fade-submit .vf-form--incomplete .vf-form__submit:not(.vf-step__next):not(.vf-review__confirm) {
	opacity: 0.45;
	pointer-events: none;
}

/* Werte-Vorschau ---------------------------------------------------------- */

.vf-form__review {
	margin: var(--vf-gap) 0;
	padding: 1rem 1.25rem;
	border: 1px solid var(--vf-border-focus);
	border-radius: var(--vf-radius);
	background: #f7fafd;
}
.vf-form__review h3 { margin: 0 0 0.75rem; }
.vf-review-table {
	width: 100%;
	border-collapse: collapse;
}
.vf-review-table th,
.vf-review-table td {
	padding: 0.4rem 0.5rem;
	text-align: left;
	vertical-align: top;
	border-bottom: 1px solid #e2e8f0;
}
.vf-review-table th { width: 35%; font-weight: 600; }
.vf-review__actions { margin-top: 1rem; display: flex; gap: 0.5rem; }

/* Modal / Popup ---------------------------------------------------------- */

body.vf-modal-open { overflow: hidden; }
.vf-modal {
	position: fixed;
	inset: 0;
	z-index: 99999;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1rem;
}
.vf-modal__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.55);
}
.vf-modal__box {
	position: relative;
	z-index: 1;
	max-width: 640px;
	width: 100%;
	max-height: 90vh;
	overflow-y: auto;
	background: #fff;
	border-radius: 8px;
	padding: 2rem;
}
.vf-modal__close {
	position: absolute;
	top: 0.5rem;
	right: 0.75rem;
	border: 0;
	background: none;
	font-size: 1.75rem;
	line-height: 1;
	cursor: pointer;
	color: #50575e;
}

/* Passwort-Gitter --------------------------------------------------------- */

.vf-password-form {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	align-items: center;
}
.vf-password-form .vf-input { max-width: 16rem; }

/* Theme-Stile übernehmen ------------------------------------------------ */

.vf-inherit-styles .vf-input,
.vf-inherit-styles textarea.vf-input,
.vf-inherit-styles select.vf-input {
	border: revert;
	border-radius: revert;
	padding: revert;
	background: revert;
	box-shadow: revert;
}
.vf-inherit-styles .vf-form__submit {
	background: revert;
	color: revert;
	border: revert;
	padding: revert;
	border-radius: revert;
	font-weight: revert;
}