/**
 * achtbit. | Bookings – Frontend-Styles (Meilenstein 2)
 *
 * BEM-Namenskonvention: .achtbit-bookings-*
 * Mobile-first, Breakpoint bei 768px.
 *
 * @package Achtbit\Bookings
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
    /* Farben */
    --achtbit-color-primary:          #2271b1;
    --achtbit-color-primary-hover:    #36a9e1;
    --achtbit-color-primary-light:    #e8f0f8;
    --achtbit-color-secondary:        #6b7280;
    --achtbit-color-secondary-hover:  #4b5563;
    --achtbit-color-success:          #00a32a;
    --achtbit-color-success-bg:       #f0fdf4;
    --achtbit-color-success-border:   #86efac;
    --achtbit-color-warning:          #d97706;
    --achtbit-color-warning-bg:       #fffbeb;
    --achtbit-color-warning-border:   #fde68a;
    --achtbit-color-error:            #d63638;
    --achtbit-color-error-bg:         #fef2f2;
    --achtbit-color-error-border:     #fca5a5;
    --achtbit-color-info:             #2271b1;
    --achtbit-color-info-bg:          #eff6ff;
    --achtbit-color-info-border:      #93c5fd;
    --achtbit-color-danger:           #b91c1c;
    --achtbit-color-danger-hover:     #991b1b;

    --achtbit-color-text:             #1d2327;
    --achtbit-color-text-muted:       #646970;
    --achtbit-color-text-light:       #9ca3af;
    --achtbit-color-border:           #8c8f94;
    --achtbit-color-border-light:     #dcdcde;
    --achtbit-color-bg:               #ffffff;
    --achtbit-color-bg-alt:           #f6f7f7;
    --achtbit-color-bg-card:          #ffffff;

    /* Kapazitätsbalken */
    --achtbit-capacity-ok:            #16a34a;
    --achtbit-capacity-warning:       #d97706;
    --achtbit-capacity-critical:      #dc2626;

    /* Radien */
    --achtbit-radius-sm:  3px;
    --achtbit-radius-md:  6px;
    --achtbit-radius-lg:  12px;
    --achtbit-radius-xl:  16px;

    /* Abstände */
    --achtbit-spacing-xs:  0.25rem;
    --achtbit-spacing-sm:  0.5rem;
    --achtbit-spacing-md:  1rem;
    --achtbit-spacing-lg:  1.5rem;
    --achtbit-spacing-xl:  2rem;
    --achtbit-spacing-2xl: 3rem;

    /* Typografie */
    --achtbit-font-size-xs:   0.75rem;
    --achtbit-font-size-sm:   0.875rem;
    --achtbit-font-size-base: 1rem;
    --achtbit-font-size-lg:   1.125rem;
    --achtbit-font-size-xl:   1.25rem;
    --achtbit-font-size-2xl:  1.5rem;
    --achtbit-font-weight-normal: 400;
    --achtbit-font-weight-medium: 500;
    --achtbit-font-weight-bold:   700;

    /* Schatten */
    --achtbit-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --achtbit-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --achtbit-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Übergänge */
    --achtbit-transition: 0.15s ease-in-out;
}

/* ==========================================================================
   Basis-Reset
   ========================================================================== */

.achtbit-bookings-wrap *,
.achtbit-bookings-wrap *::before,
.achtbit-bookings-wrap *::after,
.achtbit-bookings-archive *,
.achtbit-bookings-archive *::before,
.achtbit-bookings-archive *::after,
.achtbit-bookings-form-wrapper *,
.achtbit-bookings-form-wrapper *::before,
.achtbit-bookings-form-wrapper *::after,
.achtbit-bookings-single-event *,
.achtbit-bookings-single-event *::before,
.achtbit-bookings-single-event *::after,
.achtbit-bookings-confirmation *,
.achtbit-bookings-confirmation *::before,
.achtbit-bookings-confirmation *::after {
    box-sizing: border-box;
}

/* ==========================================================================
   Hilfklassen
   ========================================================================== */

/* Screen-Reader-Only */
.achtbit-bookings-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================================================
   Notices / Hinweisboxen
   ========================================================================== */

.achtbit-bookings-notice {
    padding: var(--achtbit-spacing-md) var(--achtbit-spacing-lg);
    border-radius: var(--achtbit-radius-md);
    border-left: 4px solid;
    font-size: var(--achtbit-font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--achtbit-spacing-md);
}

.achtbit-bookings-notice--info {
    background-color: var(--achtbit-color-info-bg);
    border-color: var(--achtbit-color-info);
    color: #1e40af;
}

.achtbit-bookings-notice--success {
    background-color: var(--achtbit-color-success-bg);
    border-color: var(--achtbit-color-success);
    color: #166534;
}

.achtbit-bookings-notice--warning {
    background-color: var(--achtbit-color-warning-bg);
    border-color: var(--achtbit-color-warning);
    color: #92400e;
}

.achtbit-bookings-notice--error {
    background-color: var(--achtbit-color-error-bg);
    border-color: var(--achtbit-color-error);
    color: #991b1b;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.achtbit-bookings-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--achtbit-spacing-sm);
    padding: 0.625rem var(--achtbit-spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--achtbit-radius-md);
    font-size: var(--achtbit-font-size-base);
    font-weight: var(--achtbit-font-weight-medium);
    line-height: 1.25;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color var(--achtbit-transition),
                border-color var(--achtbit-transition),
                color var(--achtbit-transition),
                box-shadow var(--achtbit-transition);
    white-space: nowrap;
}

.achtbit-bookings-btn:focus-visible {
    outline: 3px solid var(--achtbit-color-primary);
    outline-offset: 2px;
}

/* Primär */
.achtbit-bookings-btn--primary {
    background-color: var(--achtbit-color-primary);
    border-color: var(--achtbit-color-primary);
    color: #ffffff;
}

.achtbit-bookings-btn--primary:hover {
    background-color: var(--achtbit-color-primary-hover);
    border-color: var(--achtbit-color-primary-hover);
    color: #ffffff;
    text-decoration: none;
}

/* Theme-Override: .content a überschreibt Button-Farbe */
.content a.achtbit-bookings-btn--primary,
.content a.achtbit-bookings-btn--primary:hover {
    color: #ffffff;
}

/* Sekundär */
.achtbit-bookings-btn--secondary {
    background-color: transparent;
    border-color: var(--achtbit-color-border);
    color: var(--achtbit-color-text);
}

.achtbit-bookings-btn--secondary:hover {
    background-color: var(--achtbit-color-bg-alt);
    border-color: var(--achtbit-color-secondary);
    color: var(--achtbit-color-text);
    text-decoration: none;
}

/* Gefahr / Stornierung */
.achtbit-bookings-btn--danger {
    background-color: var(--achtbit-color-danger);
    border-color: var(--achtbit-color-danger);
    color: #ffffff;
}

.achtbit-bookings-btn--danger:hover {
    background-color: var(--achtbit-color-danger-hover);
    border-color: var(--achtbit-color-danger-hover);
    color: #ffffff;
    text-decoration: none;
}

/* Deaktiviert */
.achtbit-bookings-btn:disabled,
.achtbit-bookings-btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================================================
   Kapazitätsbalken
   ========================================================================== */

.achtbit-bookings-capacity {
    margin-top: var(--achtbit-spacing-sm);
}

.achtbit-bookings-capacity-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--achtbit-color-text-muted, #6b7280);
}

.achtbit-bookings-capacity-loading::before {
    content: '';
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--achtbit-color-border-light);
    border-top-color: var(--achtbit-color-primary);
    border-radius: 50%;
    animation: achtbit-spin 0.6s linear infinite;
    flex-shrink: 0;
}

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

.achtbit-bookings-capacity-bar {
    height: 0.5rem;
    background-color: var(--achtbit-color-border-light);
    border-radius: 9999px;
    overflow: hidden;
    margin-bottom: var(--achtbit-spacing-xs);
}

.achtbit-bookings-capacity-bar__fill {
    height: 100%;
    border-radius: 9999px;
    transition: width 0.4s ease;
}

.achtbit-bookings-capacity-bar__fill--ok {
    background-color: var(--achtbit-capacity-ok);
}

.achtbit-bookings-capacity-bar__fill--warning {
    background-color: var(--achtbit-capacity-warning);
}

.achtbit-bookings-capacity-bar__fill--critical {
    background-color: var(--achtbit-capacity-critical);
}

.achtbit-bookings-capacity__label {
    font-size: var(--achtbit-font-size-sm);
    color: var(--achtbit-color-text-muted);
}

.achtbit-bookings-capacity__badge {
    display: inline-block;
    padding: 0.25em 0.75em;
    border-radius: 9999px;
    font-size: var(--achtbit-font-size-xs);
    font-weight: var(--achtbit-font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.achtbit-bookings-capacity__badge--full {
    background-color: var(--achtbit-color-error-bg);
    color: var(--achtbit-color-error);
    border: 1px solid var(--achtbit-color-error-border);
}

/* ==========================================================================
   Event-Karte – 15/85 Layout (Datum | Inhalt)
   ========================================================================== */

.achtbit-bookings-event-card {
    display: grid;
    grid-template-columns: 15% 85%;
    background-color: var(--achtbit-color-bg-card);
    border: 1px solid var(--achtbit-color-border-light);
    border-radius: var(--achtbit-radius-lg);
    overflow: hidden;
    box-shadow: var(--achtbit-shadow-sm);
    transition: box-shadow var(--achtbit-transition), transform var(--achtbit-transition);
}

.achtbit-bookings-event-card:hover {
    box-shadow: var(--achtbit-shadow-sm);
}

/* Datum-Bereich: vollflächig blau, volle Höhe */
.achtbit-bookings-event-card__date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--achtbit-color-primary);
    color: #ffffff;
    padding: var(--achtbit-spacing-md) var(--achtbit-spacing-sm);
    text-align: center;
}

.achtbit-bookings-event-card__date-day {
    display: block;
    font-size: 1.875rem;
    font-weight: var(--achtbit-font-weight-bold);
    line-height: 1;
}

.achtbit-bookings-event-card__date-month {
    display: block;
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.15em;
}

.achtbit-bookings-event-card__date-year {
    display: block;
    font-size: 1.125rem;
    opacity: 0.8;
    margin-top: 0.1em;
}

.achtbit-bookings-event-card__date-unknown {
    font-size: 1.25rem;
}

/* Body: Bild + Content horizontal */
.achtbit-bookings-event-card__body {
    display: flex;
    align-items: stretch;
    gap: var(--achtbit-spacing-lg);
    padding: var(--achtbit-spacing-md) var(--achtbit-spacing-lg);
}

/* Bild */
.achtbit-bookings-event-card__image {
    flex-shrink: 0;
    width: 120px;
    display: flex;
    align-items: center;
}

.achtbit-bookings-event-card__image img {
    width: 100%;
    height: 100%;
    max-height: 120px;
    object-fit: cover;
    border-radius: var(--achtbit-radius-md);
}

/* Content-Bereich */
.achtbit-bookings-event-card__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.achtbit-bookings-event-card__title {
    font-size: var(--achtbit-font-size-lg);
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-text);
    margin: 0 0 var(--achtbit-spacing-xs) !important;
    line-height: 1.3;
}

.achtbit-bookings-event-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--achtbit-spacing-md);
    font-size: var(--achtbit-font-size-sm);
    color: var(--achtbit-color-text-muted);
    margin-bottom: var(--achtbit-spacing-sm);
}

.achtbit-bookings-event-card__time,
.achtbit-bookings-event-card__location {
    display: flex;
    align-items: center;
    gap: var(--achtbit-spacing-xs);
}

.achtbit-bookings-event-card__actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    margin-left: auto;
    padding-left: var(--achtbit-spacing-md);
}

/* ==========================================================================
   Archiv-Liste und -Grid
   ========================================================================== */

.achtbit-bookings-archive {
    width: 1200px;
    max-width: calc(100% - 40px);
    padding: 0 20px;
}

/* Ausrichtung */
.achtbit-bookings-archive--align-center { margin-left: auto; margin-right: auto; }
.achtbit-bookings-archive--align-left   { margin-left: 0; margin-right: auto; }
.achtbit-bookings-archive--align-right  { margin-left: auto; margin-right: 0; }

/* List-Layout */
.achtbit-bookings-archive--list {
    display: flex;
    flex-direction: column;
    gap: var(--achtbit-spacing-md);
}

/* Grid-Layout: 1 Spalte mobile, 3 Spalten ab 768px */
.achtbit-bookings-archive--grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--achtbit-spacing-lg);
}

@media (min-width: 768px) {
    .achtbit-bookings-archive--grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Leere Archiv-Ansicht */
.achtbit-bookings-archive__empty {
    padding: var(--achtbit-spacing-xl);
    text-align: center;
}

/* ==========================================================================
   Einzelansicht Event – Buchungsseite
   ========================================================================== */

.achtbit-bookings-page-wrap {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.achtbit-bookings-single-wrap {
    max-width: 1100px;
}

/* Zurück-Link */
.achtbit-bookings-single-back {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: var(--achtbit-font-size-sm);
    color: var(--achtbit-color-text-muted);
    text-decoration: none;
    margin-bottom: calc(var(--achtbit-spacing-lg) * 2);
    transition: color 0.15s;
}

.achtbit-bookings-single-back:hover {
    color: var(--achtbit-color-primary);
}

/* Theme-Überschreibungen */
.content .achtbit-bookings-calendar-title,
.content .achtbit-bookings-calendar-toolbar h2 {
    margin-top: 0;
    margin-bottom: 0;
}

.content .achtbit-bookings-single-back {
    color: var(--achtbit-color-text-muted);
}

.content .achtbit-bookings-single-back:hover {
    color: var(--achtbit-color-primary);
}

.content a.achtbit-bookings-single-book-btn,
.content a.achtbit-bookings-single-book-btn:hover {
    color: #fff;
}

/* Hinweise (abgesagt, vergangen) */
.achtbit-bookings-single-notice {
    padding: var(--achtbit-spacing-md) var(--achtbit-spacing-lg);
    border-radius: var(--achtbit-radius-lg);
    margin-bottom: var(--achtbit-spacing-lg);
    font-weight: var(--achtbit-font-weight-bold);
    font-size: var(--achtbit-font-size-sm);
}

.achtbit-bookings-single-notice--cancelled {
    background-color: var(--achtbit-color-error-bg);
    color: var(--achtbit-color-error);
    border: 1px solid var(--achtbit-color-error-border);
}

.achtbit-bookings-single-notice--past {
    background-color: var(--achtbit-color-warning-bg);
    color: var(--achtbit-color-warning);
    border: 1px solid var(--achtbit-color-warning-border);
}

/* Grid: 2 Spalten */
.achtbit-bookings-single-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.achtbit-bookings-single-grid.no-image {
    grid-template-columns: 1fr;
    max-width: 640px;
}

/* Bild */
.achtbit-bookings-single-image {
    position: sticky;
    top: 2rem;
}

.achtbit-bookings-single-image__main {
    overflow: hidden;
    border-radius: var(--achtbit-radius-lg);
    margin-bottom: 0.75rem;
}

.achtbit-bookings-single-image__img {
    width: 100%;
    height: auto;
    border-radius: var(--achtbit-radius-lg);
    display: block;
}

.achtbit-bookings-single-image__thumbs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.achtbit-bookings-single-image__thumb-btn {
    flex: 0 0 auto;
    width: 64px;
    height: 64px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: var(--achtbit-radius-sm, 4px);
    cursor: pointer;
    overflow: hidden;
    background: none;
    opacity: 0.6;
    transition: opacity 0.2s ease, border-color 0.2s ease;
}

.achtbit-bookings-single-image__thumb-btn:hover {
    opacity: 0.9;
}

.achtbit-bookings-single-image__thumb-btn.is-active {
    border-color: var(--achtbit-color-primary, #3b82f6);
    opacity: 1;
}

.achtbit-bookings-single-image__thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Header: Datum + Linie + Titel (über dem Grid) */
.achtbit-bookings-single-header {
    margin-bottom: 2rem;
}

.achtbit-bookings-single-header__date {
    font-size: var(--achtbit-font-size-sm);
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.5rem;
}

.achtbit-bookings-single-header__line {
    width: 7rem;
    height: 2px;
    background: #36a9e1;
    margin-bottom: 0.75rem;
}

.achtbit-bookings-single-header__title {
    font-size: 1.75rem;
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-text);
    margin: 0;
    line-height: 1.3;
}

/* Details */

/* Meta-Infos */
.achtbit-bookings-single-meta {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-bottom: var(--achtbit-spacing-lg);
}

.achtbit-bookings-single-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--achtbit-font-size-sm);
    color: var(--achtbit-color-text-muted);
}

/* ── Material Symbols Sharp Base ── */
.achtbit-icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
    line-height: 1;
}

.achtbit-bookings-single-meta-icon {
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.achtbit-bookings-single-meta-item--series-dates {
    align-items: flex-start;
}

.achtbit-bookings-single-meta-item--series-dates .achtbit-bookings-single-meta-icon {
    margin-top: 0.15rem;
}

.achtbit-bookings-single-series-dates {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Kapazität */
.achtbit-bookings-single-capacity {
    margin-bottom: var(--achtbit-spacing-lg);
}

/* Beschreibung */
.achtbit-bookings-single-description {
    margin-bottom: var(--achtbit-spacing-lg);
    line-height: 1.7;
    color: var(--achtbit-color-text);
    font-size: var(--achtbit-font-size-sm);
}

.achtbit-bookings-single-description p:last-child {
    margin-bottom: 0;
}

/* Buchungs-Button */
.achtbit-bookings-single-book-btn {
    display: block;
    width: 100%;
    padding: 0.875rem;
    background: #1d71b8;
    color: #fff;
    border: 2px solid #1d71b8;
    border-radius: var(--achtbit-radius-lg);
    font-size: var(--achtbit-font-size-base);
    font-weight: var(--achtbit-font-weight-bold);
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.achtbit-bookings-single-book-btn:hover {
    background: #36a9e1;
    border-color: #36a9e1;
    transform: translateY(-2px);
    color: #fff;
}

.achtbit-bookings-single-book-btn.sold-out {
    background: var(--achtbit-color-secondary);
    cursor: not-allowed;
    pointer-events: none;
}

.achtbit-bookings-single-book-btn--waitlist {
    background: #1d71b8;
    border-color: #1d71b8;
}
.achtbit-bookings-single-book-btn--waitlist:hover {
    background: #36a9e1;
    border-color: #36a9e1;
}

.achtbit-bookings-capacity__waitlist-hint {
    display: block;
    color: #1565c0;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Responsive: Einspaltig auf Mobilgeräten */
@media (max-width: 768px) {
    .achtbit-bookings-archive {
        width: 100%;
        max-width: 100%;
        padding: 0;
        box-sizing: border-box;
    }

    /* Datum-Spalte schmaler, damit mehr Platz für den Inhalt bleibt */
    .achtbit-bookings-event-card {
        grid-template-columns: 70px 1fr;
    }

    .achtbit-bookings-event-card__date {
        padding: var(--achtbit-spacing-sm) 0.25rem;
    }

    .achtbit-bookings-event-card__date-day {
        font-size: 1.5rem;
    }

    .achtbit-bookings-event-card__date-month {
        font-size: 0.95rem;
    }

    .achtbit-bookings-event-card__date-year {
        font-size: 0.875rem;
    }

    .achtbit-bookings-event-card__body {
        position: relative;
        display: block;
        padding: var(--achtbit-spacing-md);
    }

    .achtbit-bookings-event-card__image {
        position: absolute;
        top: var(--achtbit-spacing-md);
        right: var(--achtbit-spacing-md);
        width: 90px;
        margin: 0;
    }

    .achtbit-bookings-event-card__image img {
        max-height: 90px;
        height: auto;
        aspect-ratio: 1 / 1;
    }

    .achtbit-bookings-event-card__content {
        display: block;
        min-width: 0;
    }

    /* Titel macht Platz für das absolut positionierte Bild rechts */
    .achtbit-bookings-event-card__title {
        font-size: 1.05rem;
        line-height: 1.25;
        overflow-wrap: anywhere;
        min-height: 90px;
        padding-right: calc(90px + var(--achtbit-spacing-md));
    }

    .achtbit-bookings-event-card__actions {
        margin-left: 0;
        padding-left: 0;
        margin-top: var(--achtbit-spacing-md);
    }

    /* Sehr schmale Screens: Bild kleiner, damit Titel einzeilig danebenpasst */
    @media (max-width: 420px) {
        .achtbit-bookings-event-card__image {
            width: 70px;
        }
        .achtbit-bookings-event-card__image img {
            max-height: 70px;
        }
        .achtbit-bookings-event-card__title {
            font-size: 1rem;
            min-height: 70px;
            padding-right: calc(70px + var(--achtbit-spacing-sm));
        }
    }

    .achtbit-bookings-event-card__actions .achtbit-bookings-btn {
        width: 100%;
        text-align: center;
    }

    .achtbit-bookings-single-wrap {
        padding-left: 20px;
        padding-right: 20px;
    }

    .achtbit-bookings-single-book-btn {
        width: auto;
    }

    .achtbit-bookings-single-grid {
        grid-template-columns: 1fr;
    }

    .achtbit-bookings-single-image {
        position: static;
    }

    .achtbit-bookings-single-header__title {
        font-size: var(--achtbit-font-size-xl);
    }
}

/* ==========================================================================
   Buchungsformular
   ========================================================================== */

.achtbit-bookings-form-wrapper {
    max-width: 700px;
}

.achtbit-bookings-form {
    display: flex;
    flex-direction: column;
    gap: var(--achtbit-spacing-lg);
}

/* Fieldset */
.achtbit-bookings-fieldset {
    border: 1px solid var(--achtbit-color-border-light);
    border-radius: var(--achtbit-radius-md);
    padding: var(--achtbit-spacing-md) var(--achtbit-spacing-lg);
    margin: 0;
}

.achtbit-bookings-fieldset__legend {
    font-weight: var(--achtbit-font-weight-bold);
    font-size: var(--achtbit-font-size-base);
    padding: 0 var(--achtbit-spacing-sm);
    color: var(--achtbit-color-text);
}

/* Feld-Zeile: 2-spaltig */
.achtbit-bookings-field-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--achtbit-spacing-md);
}

@media (min-width: 768px) {
    .achtbit-bookings-field-row {
        grid-template-columns: 1fr 1fr;
    }
}

/* Einzelnes Feld */
.achtbit-bookings-field {
    display: flex;
    flex-direction: column;
    gap: var(--achtbit-spacing-xs);
}

.achtbit-bookings-field__label {
    font-size: var(--achtbit-font-size-sm);
    font-weight: var(--achtbit-font-weight-medium);
    color: var(--achtbit-color-text);
}

.achtbit-bookings-field__required {
    color: var(--achtbit-color-error);
    margin-left: 2px;
}

/* Input, Select, Textarea */
.achtbit-bookings-field__input {
    width: 100%;
    padding: 0.5rem var(--achtbit-spacing-md);
    border: 1px solid var(--achtbit-color-border);
    border-radius: var(--achtbit-radius-md);
    font-size: var(--achtbit-font-size-base);
    color: var(--achtbit-color-text);
    background-color: var(--achtbit-color-bg);
    transition: border-color var(--achtbit-transition), box-shadow var(--achtbit-transition);
    appearance: none;
}

.achtbit-bookings-field__input:focus {
    outline: none;
    border-color: var(--achtbit-color-primary);
    box-shadow: 0 0 0 3px rgba(34, 113, 177, 0.2);
}

.achtbit-bookings-field__input--invalid {
    border-color: var(--achtbit-color-error);
}

.achtbit-bookings-field__input--invalid:focus {
    box-shadow: 0 0 0 3px rgba(214, 54, 56, 0.2);
}

/* Radio-Gruppe */
.achtbit-bookings-field--radio-group {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--achtbit-spacing-lg);
}

.achtbit-bookings-field__radio-label {
    display: flex;
    align-items: center;
    gap: var(--achtbit-spacing-sm);
    cursor: pointer;
    font-size: var(--achtbit-font-size-base);
}

.achtbit-bookings-field__radio {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    accent-color: var(--achtbit-color-primary);
}

/* Checkbox / Consent */
.achtbit-bookings-field--consent {
    background-color: var(--achtbit-color-bg-alt);
    border: 1px solid var(--achtbit-color-border-light);
    border-radius: var(--achtbit-radius-md);
    padding: var(--achtbit-spacing-md);
}

.achtbit-bookings-field__checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--achtbit-spacing-md);
    cursor: pointer;
}

.achtbit-bookings-field__checkbox {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--achtbit-color-primary);
}

.achtbit-bookings-field__consent-text {
    font-size: var(--achtbit-font-size-sm);
    line-height: 1.6;
    color: var(--achtbit-color-text);
}

/* Teilnehmer-Blöcke */
.achtbit-bookings-participants {
    display: flex;
    flex-direction: column;
    gap: var(--achtbit-spacing-xl);
}

.achtbit-bookings-participant {
    border: 1px solid var(--achtbit-color-border-light);
    border-radius: var(--achtbit-radius-lg);
    padding: var(--achtbit-spacing-lg);
    background-color: var(--achtbit-color-bg-alt);
    display: flex;
    flex-direction: column;
    gap: var(--achtbit-spacing-md);
}

.achtbit-bookings-participant__heading {
    font-size: var(--achtbit-font-size-lg);
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-text);
    margin: 0;
    padding-bottom: var(--achtbit-spacing-sm);
    border-bottom: 1px solid var(--achtbit-color-border-light);
}

/* Formular-Aktionen */
.achtbit-bookings-form__actions {
    display: flex;
    gap: var(--achtbit-spacing-md);
    flex-wrap: wrap;
}

.achtbit-bookings-btn--submit {
    min-width: 12rem;
}

/* Pflichtfeld-Hinweis */
.achtbit-bookings-form__required-note {
    font-size: var(--achtbit-font-size-sm);
    color: var(--achtbit-color-text-muted);
    margin: 0;
}

/* Feedback-Bereich */
.achtbit-bookings-form__feedback {
    display: block;
}

.achtbit-bookings-form__feedback[hidden] {
    display: none;
}

/* Erfolgsbereich */
.achtbit-bookings-form__success[hidden] {
    display: none;
}

/* ==========================================================================
   Buchungsbestätigung (nach Submit)
   ========================================================================== */

.achtbit-bookings-confirmation {
    text-align: center;
    padding: var(--achtbit-spacing-2xl) var(--achtbit-spacing-xl);
}

.achtbit-bookings-confirmation__icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--achtbit-color-success-bg);
    border: 3px solid var(--achtbit-color-success);
    border-radius: 50%;
    margin: 0 auto var(--achtbit-spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Checkmark per CSS */
.achtbit-bookings-confirmation__icon::after {
    content: '';
    display: block;
    width: 1.25rem;
    height: 0.75rem;
    border-left: 3px solid var(--achtbit-color-success);
    border-bottom: 3px solid var(--achtbit-color-success);
    transform: rotate(-45deg) translate(1px, -3px);
}

.achtbit-bookings-confirmation__heading {
    font-size: var(--achtbit-font-size-2xl);
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-text);
    margin: 0 0 var(--achtbit-spacing-lg);
}

.achtbit-bookings-confirmation__ref {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--achtbit-spacing-xs);
    background-color: var(--achtbit-color-primary-light);
    border: 1px solid var(--achtbit-color-primary);
    border-radius: var(--achtbit-radius-lg);
    padding: var(--achtbit-spacing-md) var(--achtbit-spacing-xl);
    margin-bottom: var(--achtbit-spacing-lg);
}

.achtbit-bookings-confirmation__ref-label {
    font-size: var(--achtbit-font-size-sm);
    color: var(--achtbit-color-text-muted);
}

.achtbit-bookings-confirmation__ref-value {
    font-size: var(--achtbit-font-size-2xl);
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-primary);
    letter-spacing: 0.08em;
}

.achtbit-bookings-confirmation__event-info,
.achtbit-bookings-confirmation__participants {
    text-align: left;
    max-width: 480px;
    margin: var(--achtbit-spacing-lg) auto;
}

.achtbit-bookings-confirmation__event-heading,
.achtbit-bookings-confirmation__participants-heading {
    font-size: var(--achtbit-font-size-lg);
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-text);
    border-bottom: 2px solid var(--achtbit-color-border-light);
    padding-bottom: var(--achtbit-spacing-sm);
    margin: 0 0 var(--achtbit-spacing-md);
}

.achtbit-bookings-confirmation__event-details {
    display: grid;
    gap: var(--achtbit-spacing-sm);
}

.achtbit-bookings-confirmation__detail {
    display: flex;
    gap: var(--achtbit-spacing-sm);
    font-size: var(--achtbit-font-size-sm);
}

.achtbit-bookings-confirmation__detail dt {
    font-weight: var(--achtbit-font-weight-bold);
    color: var(--achtbit-color-text-muted);
    min-width: 8rem;
    flex-shrink: 0;
}

.achtbit-bookings-confirmation__participants-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.achtbit-bookings-confirmation__participant {
    padding: var(--achtbit-spacing-sm) 0;
    border-bottom: 1px solid var(--achtbit-color-border-light);
    font-size: var(--achtbit-font-size-sm);
    color: var(--achtbit-color-text);
}

.achtbit-bookings-confirmation__participant:last-child {
    border-bottom: none;
}

.achtbit-bookings-confirmation__email-notice {
    max-width: 480px;
    margin: 0 auto;
}

/* ==========================================================================
   Lade-Indikator (allgemein)
   ========================================================================== */

.achtbit-bookings-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--achtbit-spacing-sm);
    color: var(--achtbit-color-text-muted);
    font-size: var(--achtbit-font-size-sm);
}

.achtbit-bookings-loading::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid var(--achtbit-color-border-light);
    border-top-color: var(--achtbit-color-primary);
    border-radius: 50%;
    animation: achtbit-spin 0.6s linear infinite;
}

/* Allgemeine Fehlermeldung (Legacy-Kompatibilität) */
.achtbit-bookings-error {
    padding: var(--achtbit-spacing-md);
    border: 1px solid var(--achtbit-color-error);
    border-radius: var(--achtbit-radius-md);
    background-color: var(--achtbit-color-error-bg);
    color: #991b1b;
    font-size: var(--achtbit-font-size-sm);
}

/* ==========================================================================
   Responsive: Mobile-Anpassungen
   ========================================================================== */

@media (max-width: 767px) {

    .achtbit-bookings-confirmation {
        padding: var(--achtbit-spacing-lg) var(--achtbit-spacing-md);
    }

    .achtbit-bookings-form__actions {
        flex-direction: column;
    }

    .achtbit-bookings-btn--submit {
        width: 100%;
        min-width: unset;
    }
}

/* ==========================================================================
   Kalender ([achtbit_bookings_calendar])
   ========================================================================== */

.achtbit-calendar {
    --cal-border: #e5e7eb;
    --cal-today-bg: #eff6ff;
    --cal-today-border: var(--achtbit-color-primary);
    --cal-event-bg: #dbeafe;
    --cal-event-color: #1e3a5f;
    --cal-event-hover: #bfdbfe;
    --cal-header-bg: #f9fafb;

    font-family: var(--achtbit-font-family);
    max-width: 100%;
    overflow-x: auto;
}

/* Navigation */
.achtbit-calendar__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--achtbit-spacing-md);
    margin-bottom: var(--achtbit-spacing-md);
}

.achtbit-calendar__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--achtbit-color-text);
    margin: 0;
    text-align: center;
    flex: 1;
}

.achtbit-calendar__nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--cal-border);
    border-radius: var(--achtbit-radius-sm);
    background: #fff;
    color: var(--achtbit-color-text);
    font-size: 1.5rem;
    line-height: 1;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.achtbit-calendar__nav-btn:hover,
.achtbit-calendar__nav-btn:focus-visible {
    background-color: var(--achtbit-color-primary);
    border-color: var(--achtbit-color-primary);
    color: #fff;
    outline: 2px solid var(--achtbit-color-primary);
    outline-offset: 2px;
}

/* Grid-Tabelle */
.achtbit-calendar__grid {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--cal-border);
    border-radius: var(--achtbit-radius-md);
    overflow: hidden;
    table-layout: fixed;
}

.achtbit-calendar__weekday {
    background-color: var(--cal-header-bg);
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--achtbit-color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--cal-border);
}

/* Zellen */
.achtbit-calendar__cell {
    border: 1px solid var(--cal-border);
    vertical-align: top;
    padding: 0.375rem;
    min-height: 6rem;
    height: 6rem;
}

.achtbit-calendar__cell--empty {
    background-color: var(--cal-header-bg);
}

.achtbit-calendar__cell--today {
    background-color: var(--cal-today-bg);
    border-color: var(--cal-today-border);
}

.achtbit-calendar__cell--has-events {
    background-color: #fafcff;
}

.achtbit-calendar__day-number {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--achtbit-color-text-light);
    margin-bottom: 0.25rem;
    line-height: 1;
}

.achtbit-calendar__cell--today .achtbit-calendar__day-number {
    color: var(--cal-today-border);
}

/* Termine in Zellen */
.achtbit-calendar__events {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.achtbit-calendar__event-link {
    display: flex;
    flex-direction: column;
    background-color: var(--cal-event-bg);
    color: var(--cal-event-color);
    border-radius: 3px;
    padding: 2px 5px;
    text-decoration: none;
    font-size: 0.72rem;
    line-height: 1.3;
    transition: background-color 0.1s ease;
    overflow: hidden;
}

.achtbit-calendar__event-link:hover,
.achtbit-calendar__event-link:focus-visible {
    background-color: var(--cal-event-hover);
    outline: 2px solid var(--cal-today-border);
    outline-offset: 1px;
}

.achtbit-calendar__event-time {
    font-weight: 700;
    font-size: 0.65rem;
    white-space: nowrap;
}

.achtbit-calendar__event-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Responsive: auf kleinen Screens kompaktere Zellen */
@media (max-width: 640px) {
    .achtbit-calendar__cell {
        min-height: 3.5rem;
        height: auto;
        padding: 0.25rem;
    }

    .achtbit-calendar__event-time {
        display: none;
    }

    .achtbit-calendar__event-link {
        font-size: 0.65rem;
        padding: 1px 3px;
    }

    .achtbit-calendar__title {
        font-size: 1rem;
    }
}