/**
 * Kartbahn Weeze – Buchungsformular
 * Frontend-Styling. Bewusst zurückhaltend, erbt die Theme-Schrift.
 * Farben über CSS-Variablen anpassbar (.kbw-form { --kbw-accent: ... }).
 */

.kbw-form {
	--kbw-accent: #d62828;
	--kbw-accent-contrast: #ffffff;
	--kbw-text: #1a1a1a;
	--kbw-muted: #5a5a5a;
	--kbw-border: #c4c4c4;
	--kbw-border-focus: var(--kbw-accent);
	--kbw-bg-soft: #f5f5f5;
	--kbw-error: #b00020;
	--kbw-success: #1b7a3d;
	--kbw-radius: 6px;
	--kbw-gap: 1.25rem;

	max-width: 720px;
	color: var(--kbw-text);
	font-family: inherit;
	font-size: 20px;
	line-height: 1.5;
}

@media (max-width: 540px) {
  .kbw-form {
    font-size: 16px;
  }
}

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

/* Felder ------------------------------------------------------------- */
.kbw-field {
	margin-bottom: var(--kbw-gap);
}

.kbw-label {
	display: block;
	font-weight: 600;
	margin-bottom: 0.35rem;
}

.kbw-required {
	color: var(--kbw-accent);
	margin-left: 0.15rem;
}

.kbw-input,
.kbw-select,
.kbw-textarea {
	width: 100%;
	min-height: 44px;
	padding: 0.55rem 0.7rem;
	font: inherit;
	color: var(--kbw-text);
	background: #fff;
	border: 1px solid var(--kbw-border);
	border-radius: var(--kbw-radius);
}

.kbw-textarea {
	min-height: 96px;
	resize: vertical;
}

.kbw-input:focus-visible,
.kbw-select:focus-visible,
.kbw-textarea:focus-visible,
.kbw-checkbox input:focus-visible,
.kbw-submit:focus-visible {
	outline: 3px solid var(--kbw-border-focus);
	outline-offset: 2px;
}

.kbw-input[aria-invalid="true"],
.kbw-select[aria-invalid="true"],
.kbw-textarea[aria-invalid="true"] {
	border-color: var(--kbw-error);
	border-width: 2px;
}

/* Zwei-Spalten-Raster für zusammengehörige Felder -------------------- */
.kbw-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--kbw-gap);
}

.kbw-grid .kbw-field {
	margin-bottom: 10px;
}

@media (max-width: 540px) {
	.kbw-grid {
		grid-template-columns: 1fr;
	}
}

/* Hinweis- und Kostenboxen ------------------------------------------ */
.kbw-hint,
.kbw-costs {
	padding: 0.85rem 1rem;
	border-radius: var(--kbw-radius);
	background: var(--kbw-bg-soft);
	border-left: 4px solid var(--kbw-accent);
	margin-bottom: 0.75rem;
}

.kbw-hint:last-child {
	margin-bottom: 0;
}

.kbw-hints {
	margin-bottom: var(--kbw-gap);
}

.kbw-costs {
	border-left-color: var(--kbw-muted);
	font-size: 0.95rem;
}

.kbw-costs strong {
	font-weight: 700;
}

.kbw-hint a,
.kbw-costs a {
	color: var(--kbw-accent);
}

/* Fieldset / Radio / Checkbox --------------------------------------- */
.kbw-fieldset {
	border: 1px solid var(--kbw-border);
	border-radius: var(--kbw-radius);
	padding: 0.85rem 1rem;
	margin: 0 0 var(--kbw-gap);
}

.kbw-legend {
	font-weight: 600;
	padding: 0 0.4rem;
}

.kbw-radio,
.kbw-checkbox {
	display: flex;
	align-items: flex-start;
	gap: 0.6rem;
	min-height: 44px;
	padding: 0.25rem 0;
	cursor: pointer;
}

.kbw-radio input,
.kbw-checkbox input {
	width: 22px;
	height: 22px;
	margin-top: 0.15rem;
	flex: 0 0 auto;
	accent-color: var(--kbw-accent);
}

.kbw-checkbox--consent {
	background: var(--kbw-bg-soft);
	border-radius: var(--kbw-radius);
	padding: 0.75rem 0.9rem;
	margin-bottom: 0.75rem;
}

/* Buchungsbedingungen: klar als solche, Desktop offen / Mobil einklappbar */
.kbw-details {
	margin: 0 0 var(--kbw-gap);
}

.kbw-details-summary {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	cursor: pointer;
	min-height: 44px;
	color: var(--kbw-accent);
	font-weight: 700;
	list-style: none;
}

.kbw-details-summary::-webkit-details-marker {
	display: none;
}

.kbw-details-summary::after {
	content: "\25BE";
	margin-left: 0.25rem;
	transition: transform 0.2s ease;
}

.kbw-details[open] .kbw-details-summary::after {
	transform: rotate(180deg);
}

.kbw-details-body p {
	margin: 0.5rem 0;
}

@media (min-width: 768px) {
	/* Desktop: dauerhaft offen, kein Dropdown-Charakter */
	.kbw-details-summary {
		cursor: default;
		pointer-events: none;
	}

	.kbw-details-summary::after {
		display: none;
	}

	.kbw-details-body {
		display: block !important;
	}
}

@media (prefers-reduced-motion: reduce) {
	.kbw-details-summary::after {
		transition: none;
	}
}

/* Inline-Fehlertexte ------------------------------------------------- */
.kbw-error-text {
	display: block;
	color: var(--kbw-error);
	font-size: 0.9rem;
	font-weight: 600;
	margin-top: 0.35rem;
}

.kbw-error-text:empty {
	display: none;
}

/* Status nach dem Absenden ------------------------------------------ */
.kbw-status {
	padding: 1rem 1.15rem;
	border-radius: var(--kbw-radius);
	margin-bottom: var(--kbw-gap);
	font-weight: 600;
}

.kbw-status--success {
	background: #e6f4ea;
	border: 1px solid var(--kbw-success);
	color: var(--kbw-success);
}

.kbw-status--error {
	background: #fdecef;
	border: 1px solid var(--kbw-error);
	color: var(--kbw-error);
}

/* Submit + Ladeanzeige ---------------------------------------------- */
.kbw-submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.6rem;
	min-height: 48px;
	padding: 0.7rem 1.6rem;
	font: inherit;
	font-weight: 700;
	color: var(--kbw-accent-contrast);
	background: var(--kbw-accent);
	border: none;
	border-radius: var(--kbw-radius);
	cursor: pointer;
}

.kbw-submit:hover {
	filter: brightness(0.93);
}

.kbw-submit[disabled] {
	opacity: 0.7;
	cursor: progress;
}

/* Gedimmt + nicht klickbar, bis die Datenschutz-Checkbox akzeptiert ist. */
.kbw-submit.kbw-submit--dim {
	opacity: 0.55;
	cursor: not-allowed;
}

.kbw-spinner {
	width: 18px;
	height: 18px;
	border: 2px solid rgba(255, 255, 255, 0.5);
	border-top-color: #fff;
	border-radius: 50%;
	animation: kbw-spin 0.7s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
	.kbw-spinner {
		animation-duration: 2s;
	}
}

/* Honeypot: für Menschen unsichtbar, für Screenreader ausgeblendet --- */
.kbw-honeypot {
	position: absolute !important;
	left: -9999px !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.kbw-muted {
	color: var(--kbw-muted);
	margin: 0.5rem 0 0;
}

/* Sichtbarkeits-Helfer ---------------------------------------------- */
.kbw-hidden {
	display: none !important;
}

/* Date-Picker (eigener Kalender) ------------------------------------ */
.kbw-datepicker {
	position: relative;
}

.kbw-datepicker-display {
	padding: 0.55rem 50px 0.55rem 0.7rem;
	cursor: pointer;
	background: #fff;
}

.kbw-datepicker-toggle {
	position: absolute;
	top: 0;
	right: 0;
	height: 100%;
	width: 46px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: transparent;
	border: none;
	border-left: 1px solid var(--kbw-border);
	border-radius: 0 var(--kbw-radius) var(--kbw-radius) 0;
	color: var(--kbw-muted);
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
}

.kbw-datepicker-toggle:hover,
.kbw-datepicker-toggle:focus-visible {
	background: var(--kbw-accent);
	color: #fff;
}

.kbw-datepicker-toggle svg {
	width: 20px;
	height: 20px;
}

.kbw-datepicker-pop {
	position: absolute;
	z-index: 50;
	top: calc(100% + 6px);
	left: 0;
	width: 340px;
	max-width: 96vw;
	padding: 0.85rem;
	background: #fff;
	border: 1px solid var(--kbw-border);
	border-radius: var(--kbw-radius);
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

.kbw-cal-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 0.6rem;
}

.kbw-cal-title {
	font-weight: 700;
	font-size: 1.05rem;
}

.kbw-cal-nav {
	width: 44px;
	height: 44px;
	font-size: 1.3rem;
	background: #fff;
	border: 1px solid var(--kbw-border);
	border-radius: var(--kbw-radius);
	cursor: pointer;
}

.kbw-cal-nav:hover:not([disabled]) {
	background: var(--kbw-bg-soft);
}

.kbw-cal-nav[disabled] {
	opacity: 0.4;
	cursor: not-allowed;
}

.kbw-cal-row {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 4px;
}

.kbw-cal-weekdays {
	margin-bottom: 4px;
}

.kbw-cal-wd {
	text-align: center;
	font-size: 0.8rem;
	font-weight: 600;
	color: var(--kbw-muted);
	padding: 0.2rem 0;
}

.kbw-cal-day {
	height: 44px;
	font: inherit;
	font-size: 1rem;
	background: #fff;
	border: 1px solid transparent;
	border-radius: var(--kbw-radius);
	cursor: pointer;
}

.kbw-cal-day:hover:not([disabled]) {
	background: var(--kbw-bg-soft);
}

.kbw-cal-day:focus-visible {
	outline: 3px solid var(--kbw-border-focus);
	outline-offset: 1px;
}

.kbw-cal-day.is-today {
	border-color: var(--kbw-muted);
	font-weight: 700;
}

.kbw-cal-day.is-selected {
	background: var(--kbw-accent);
	color: #fff;
}

.kbw-cal-day[disabled] {
	color: #bbb;
	background: transparent;
	cursor: not-allowed;
}

.kbw-cal-empty {
	height: 44px;
}

@media (max-width: 540px) {
	.kbw-datepicker-pop {
		width: 300px;
		padding: 0.6rem;
	}

	.kbw-cal-day,
	.kbw-cal-nav {
		height: 42px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.kbw-datepicker-toggle {
		transition: none;
	}
}