/* --- CSS VARIABLES DEFAULT --- */
:root {
    --bk-container-bg: #f9f9f9;
    --bk-container-padding: 20px;
    --bk-container-radius: 8px;
    --bk-container-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --bk-gap: 15px;

    --bk-label-color: #444;
    --bk-label-size: 0.75rem;
    --bk-label-weight: 600;
    --bk-label-spacing: 6px;

    --bk-input-height: 44px;
    --bk-input-bg: #fff;
    --bk-input-bg-hover: #fff;
    --bk-input-bg-focus: #fff;

    --bk-input-color: #333;
    --bk-input-color-hover: #333;

    --bk-input-border-color: #ddd;
    --bk-input-border-hover: #bbb;
    --bk-input-focus-border: #0073aa;

    --bk-input-radius: 4px;
    --bk-input-padding: 0 10px;

    --bk-icon-color: #888;
    --bk-icon-color-hover: #666;
    --bk-icon-size: 16px;
    --bk-icon-offset: 10px;
    --bk-icon-text-gap: 10px;

    --bk-btn-bg: #0073aa;
    --bk-btn-hover-bg: #005177;
    --bk-btn-color: #fff;
    --bk-btn-color-hover: #fff;
    --bk-btn-height: 44px;
    --bk-btn-radius: 4px;

    /* Calendar Defaults */
    --bk-cal-bg: #fff;
    --bk-cal-text: #262626;
    --bk-cal-accent: #003b95;
    --bk-cal-sel-text: #ffffff;
    --bk-cal-range-bg: #f2f6fa;
    --bk-cal-radius: 8px;
    --bk-cal-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --bk-cal-day-size: 40px;
    --bk-cal-month-size: 16px;
}

/* --- FORM WRAPPER --- */
.bookin-wrapper {
    background: var(--bk-container-bg);
    padding: var(--bk-container-padding);
    border-radius: var(--bk-container-radius);
    box-shadow: var(--bk-container-shadow);
    width: 100%;
    max-width: var(--bk-container-max-width, 100%);
    font-family: inherit;
    box-sizing: border-box;
    position: relative;
}

.bookin-wrapper * {
    box-sizing: border-box;
}

/* --- CALENDAR ONLY WRAPPER (inherits CSS vars) --- */
.bookin-calendar-only-wrapper {
    font-family: inherit;
    box-sizing: border-box;
    position: relative;
}

.bookin-calendar-only-wrapper * {
    box-sizing: border-box;
}

.bookin-calendar-only-wrapper .bookin-date-input {
    width: 100%;
    height: var(--bk-input-height, 44px);
    background: var(--bk-input-bg, #fff);
    color: var(--bk-input-color, #333);
    border: 1px solid var(--bk-input-border-color, #ddd);
    border-radius: var(--bk-input-radius, 4px);
    padding: var(--bk-input-padding, 0 10px);
    font-size: 15px;
    transition: all 0.2s ease;
    appearance: none;
    cursor: pointer;
}

.bookin-calendar-only-wrapper .bookin-date-input.has-icon {
    padding-left: calc(var(--bk-icon-offset, 10px) + var(--bk-icon-size, 16px) + var(--bk-icon-text-gap, 10px));
}

.bookin-calendar-only-wrapper .bookin-date-input:hover {
    background: var(--bk-input-bg-hover, var(--bk-input-bg, #fff));
    border-color: var(--bk-input-border-hover, var(--bk-input-border-color, #ddd));
}

.bookin-calendar-only-wrapper .bookin-date-input:focus {
    background: var(--bk-input-bg-focus, var(--bk-input-bg, #fff));
    border-color: var(--bk-input-focus-border, #0073aa);
    outline: none;
}

.bookin-calendar-only-wrapper .bookin-date-input::placeholder {
    color: var(--bk-input-placeholder, #aaa);
}

.bookin-calendar-only-wrapper .bookin-icon {
    color: var(--bk-icon-color, #888);
    width: var(--bk-icon-size, 16px);
    height: var(--bk-icon-size, 16px);
    left: var(--bk-icon-offset, 10px);
}

.bookin-calendar-only-wrapper .bookin-btn {
    background-color: var(--bk-btn-bg, #0073aa);
    color: var(--bk-btn-color, #fff);
    height: var(--bk-btn-height, 44px);
    line-height: var(--bk-btn-height, 44px);
    border-radius: var(--bk-btn-radius, 4px);
    border: none;
    padding: 0 20px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.2s;
}

.bookin-calendar-only-wrapper .bookin-btn:hover {
    background-color: var(--bk-btn-hover-bg, var(--bk-btn-bg, #005177));
    color: var(--bk-btn-color-hover, var(--bk-btn-color, #fff));
    transform: translateY(-1px);
}

/* --- RESPONSIVE LAYOUT LOGIC --- */
.bookin-main-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--bk-gap);
    align-items: var(--bk-align-items, flex-end);
}

/* NEU: Wenn alle Labels aus sind, standardmäßig zentrieren (User kann via Widget überschreiben) */
.bookin-wrapper.bookin-no-labels .bookin-main-row {
    align-items: var(--bk-align-items, center);
}

.bookin-wrapper.bookin-layout-auto .group-dates {
    flex: 2 1 250px;
}

.bookin-wrapper.bookin-layout-auto .group-arrangement-select {
    flex: 2 1 var(--bk-dropdown-width, 250px);
}

.bookin-wrapper.bookin-layout-auto .group-people-picker {
    flex: 1.5 1 200px;
}

.bookin-wrapper.bookin-layout-auto .group-code {
    flex: 1 1 120px;
}

.bookin-wrapper.bookin-layout-auto .group-btn {
    flex: 0 0 auto;
    min-width: 120px;
}

@media (max-width: 480px) {
    .bookin-wrapper.bookin-layout-auto .group-btn {
        flex: 1 1 100%;
        width: 100%;
    }
}

.bookin-wrapper.bookin-layout-stacked .bookin-main-row {
    flex-direction: column;
}

.bookin-wrapper.bookin-layout-stacked .bookin-form-group {
    width: 100%;
    flex: 1 1 auto;
}

/* --- LABELS --- */
.bookin-form-group label {
    display: block;
    font-weight: var(--bk-label-weight);
    font-size: var(--bk-label-size);
    color: var(--bk-label-color);
    margin-bottom: var(--bk-label-spacing);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: color 0.2s;
}

.bookin-invisible-label {
    visibility: hidden;
}

.bookin-layout-stacked .bookin-invisible-label {
    display: none;
}

/* NEU: Wenn alle Labels aus sind, Labels komplett entfernen um Platz freizugeben */
.bookin-wrapper.bookin-no-labels .bookin-form-group label,
.bookin-wrapper.bookin-no-labels .bookin-invisible-label {
    display: none !important;
    margin: 0 !important;
}

/* --- INPUTS --- */
.bookin-input-icon-wrapper {
    position: relative;
    width: 100%;
}

.bookin-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bk-icon-color);
    left: var(--bk-icon-offset);
    width: var(--bk-icon-size);
    height: var(--bk-icon-size);
    transition: color 0.2s;
}

.bookin-icon svg {
    width: 100%;
    height: 100%;
}

/* Input Base */
.bookin-form-group input {
    width: 100%;
    height: var(--bk-input-height);
    background: var(--bk-input-bg);
    color: var(--bk-input-color);
    border: 1px solid var(--bk-input-border-color);
    border-radius: var(--bk-input-radius);
    padding: var(--bk-input-padding);
    font-size: 15px;
    transition: all 0.2s ease;
    appearance: none;
}

.bookin-form-group input[readonly] {
    cursor: pointer;
}

.bookin-form-group input.pointer-cursor {
    cursor: pointer;
}

.bookin-form-group input.has-icon {
    padding-left: calc(var(--bk-icon-offset) + var(--bk-icon-size) + var(--bk-icon-text-gap));
}

/* Input Hover */
.bookin-form-group:hover input {
    background: var(--bk-input-bg-hover, var(--bk-input-bg));
    color: var(--bk-input-color-hover, var(--bk-input-color));
    border-color: var(--bk-input-border-hover, var(--bk-input-border-color));
}

.bookin-form-group:hover .bookin-icon {
    color: var(--bk-icon-color-hover, var(--bk-icon-color));
}

/* Input Focus */
.bookin-form-group input:focus {
    background: var(--bk-input-bg-focus, var(--bk-input-bg));
    border-color: var(--bk-input-focus-border);
    outline: none;
}

.bookin-form-group input::placeholder {
    color: var(--bk-input-placeholder, #aaa);
}

/* Select (Package Dropdown) */
.bookin-form-group .bookin-package-select {
    width: 100%;
    height: var(--bk-input-height);
    background: var(--bk-input-bg);
    color: var(--bk-input-color);
    border: 1px solid var(--bk-input-border-color);
    border-radius: var(--bk-input-radius);
    padding: var(--bk-input-padding);
    font-size: 15px;
    transition: all 0.2s ease;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.bookin-form-group .bookin-package-select.has-icon {
    padding-left: calc(var(--bk-icon-offset) + var(--bk-icon-size) + var(--bk-icon-text-gap));
}

.bookin-form-group:hover .bookin-package-select {
    background-color: var(--bk-input-bg-hover, var(--bk-input-bg));
    border-color: var(--bk-input-border-hover, var(--bk-input-border-color));
}

.bookin-form-group .bookin-package-select:focus {
    background-color: var(--bk-input-bg-focus, var(--bk-input-bg));
    border-color: var(--bk-input-focus-border);
    outline: none;
}

/* --- BUTTON --- */
.bookin-btn {
    background-color: var(--bk-btn-bg);
    color: var(--bk-btn-color);
    height: var(--bk-btn-height);
    line-height: var(--bk-btn-height);
    border-radius: var(--bk-btn-radius);
    border: none;
    padding: 0 20px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.2s;
}

.bookin-btn:hover {
    background-color: var(--bk-btn-hover-bg);
    color: var(--bk-btn-color-hover, var(--bk-btn-color));
    transform: translateY(-1px);
}

/* People Popup */
.bookin-people-trigger-wrapper {
    position: relative;
}

.bookin-people-popup {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 300px;
    background: var(--bk-popup-bg, #fff);
    border: 1px solid var(--bk-popup-border-color, #ddd);
    box-shadow: var(--bk-popup-shadow, 0 4px 20px rgba(0, 0, 0, 0.15));
    border-radius: var(--bk-popup-radius, 8px);
    padding: 15px;
    z-index: 9999;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.bookin-people-popup.active {
    display: block;
    animation: fadeInPop 0.25s ease-out forwards;
}

.bookin-pp-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.bookin-pp-row:last-child {
    margin-bottom: 0;
}

.bookin-pp-label {
    font-weight: 600;
    font-size: 14px;
    color: #333;
}

.bookin-stepper {
    display: flex;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 6px;
    overflow: hidden;
}

.bookin-step-btn {
    width: 44px;
    height: 44px;
    background: #fff;
    border: none;
    color: var(--bk-btn-bg);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease, transform 0.1s ease;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    touch-action: manipulation;
}

.bookin-step-btn:hover {
    background: #f0f7fa;
}

.bookin-step-btn:active {
    transform: scale(0.92);
    background: #e4f0f6;
}

.bookin-step-btn:focus-visible {
    outline: 2px solid var(--bk-cal-accent, #003b95);
    outline-offset: -2px;
}

.bookin-step-val {
    width: 36px;
    text-align: center;
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

.bookin-ages-container {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.bookin-ages-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.bookin-age-input-group {
    flex: 1;
    min-width: 100px;
}

.bookin-age-input-group select {
    font-size: 14px;
    cursor: pointer;
    width: 100%;
    height: 44px;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0 8px;
    background: #fff;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: border-color 0.2s ease;
}

.bookin-age-input-group select:focus {
    border-color: var(--bk-input-focus-border, #0073aa);
    outline: none;
}

/* Accessibility: Focus indicators */
.bookin-btn:focus-visible {
    outline: 2px solid var(--bk-cal-accent, #003b95);
    outline-offset: 2px;
}

.bookin-form-group input:focus-visible {
    outline: 2px solid var(--bk-input-focus-border, #0073aa);
    outline-offset: 1px;
}

/* Flatpickr Variables Based Theme */
.flatpickr-calendar[class*="bookin-theme-"] {
    background: var(--bk-cal-bg) !important;
    box-shadow: var(--bk-cal-shadow) !important;
    border-radius: var(--bk-cal-radius) !important;
    font-family: inherit !important;
    border: none !important;
    z-index: 99999 !important;
    transition: box-shadow 0.3s ease;
}

.flatpickr-calendar[class*="bookin-theme-"]::before,
.flatpickr-calendar[class*="bookin-theme-"]::after {
    display: none !important;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-months {
    background: transparent;
    padding-top: 10px;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-month {
    color: var(--bk-cal-text) !important;
    fill: var(--bk-cal-text) !important;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-current-month {
    font-size: var(--bk-cal-month-size) !important;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-current-month input.cur-year,
.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-monthDropdown-months {
    color: var(--bk-cal-text) !important;
    font-weight: 700;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-prev-month,
.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-next-month {
    color: var(--bk-cal-text) !important;
    fill: var(--bk-cal-text) !important;
    transition: transform 0.15s ease;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-prev-month:hover,
.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-next-month:hover {
    transform: scale(1.15);
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-prev-month:hover svg,
.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-next-month:hover svg {
    fill: var(--bk-cal-accent) !important;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-weekdays {
    border-bottom: 1px solid #eee;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-weekday {
    color: #888 !important;
    font-weight: 400;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day {
    color: var(--bk-cal-text) !important;
    height: var(--bk-cal-day-size) !important;
    line-height: var(--bk-cal-day-size) !important;
    border-radius: 0 !important;
    border: none !important;
    margin-top: 4px;
    transition: background 0.15s ease, color 0.15s ease;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day:hover {
    background: #f0f0f0 !important;
    color: var(--bk-cal-text) !important;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day.selected,
.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day.startRange,
.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day.endRange {
    background: var(--bk-cal-accent) !important;
    color: var(--bk-cal-sel-text) !important;
    border-color: var(--bk-cal-accent) !important;
    border-radius: 50% !important;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day.inRange {
    background: var(--bk-cal-range-bg) !important;
    color: var(--bk-cal-text) !important;
    box-shadow: -5px 0 0 var(--bk-cal-range-bg), 5px 0 0 var(--bk-cal-range-bg) !important;
    border-color: var(--bk-cal-range-bg) !important;
}

.flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day.today {
    border-bottom: 2px solid var(--bk-cal-accent) !important;
}

/* --- Calendar Backdrop (for JS-injected overlay) --- */
.bookin-calendar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99998;
    opacity: 0;
    animation: fadeInBackdrop 0.25s ease forwards;
    -webkit-tap-highlight-color: transparent;
}

/* ====================================================
   RESPONSIVE: TABLET (max-width: 768px)
   ==================================================== */
@media (max-width: 768px) {

    /* Form Layout: umbrechen auf Tablet */
    .bookin-wrapper.bookin-layout-auto .group-dates {
        flex: 1 1 100%;
    }

    .bookin-wrapper.bookin-layout-auto .group-people-picker {
        flex: 1 1 calc(50% - var(--bk-gap, 15px) / 2);
    }

    .bookin-wrapper.bookin-layout-auto .group-code {
        flex: 1 1 calc(50% - var(--bk-gap, 15px) / 2);
    }

    .bookin-wrapper.bookin-layout-auto .group-btn {
        flex: 1 1 100%;
    }

    /* Calendar: Modal style */
    .flatpickr-calendar[class*="bookin-theme-"] {
        position: fixed !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: 90vw !important;
        max-width: 350px !important;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25) !important;
    }

    /* Nice touch-friendly day sizes */
    .flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day {
        height: 44px !important;
        line-height: 44px !important;
    }

    /* Month navigation bigger on touch */
    .flatpickr-calendar[class*="bookin-theme-"] .flatpickr-prev-month,
    .flatpickr-calendar[class*="bookin-theme-"] .flatpickr-next-month {
        padding: 8px !important;
    }

    /* People Popup: etwas breiter */
    .bookin-people-popup {
        width: min(300px, calc(100vw - 40px));
    }
}

/* ====================================================
   RESPONSIVE: MOBILE (max-width: 480px)
   ==================================================== */
@media (max-width: 480px) {

    /* Container: mehr Innenabstand reduzieren */
    .bookin-wrapper {
        padding: 15px;
        border-radius: 6px;
    }

    /* Alle Gruppen volle Breite */
    .bookin-wrapper.bookin-layout-auto .group-dates,
    .bookin-wrapper.bookin-layout-auto .group-people-picker,
    .bookin-wrapper.bookin-layout-auto .group-code,
    .bookin-wrapper.bookin-layout-auto .group-btn {
        flex: 1 1 100% !important;
        width: 100%;
    }

    /* Inputs: größere Touch-Targets */
    .bookin-form-group input {
        height: 48px;
        font-size: 16px;
        /* Verhindert iOS-Zoom */
    }

    /* Button: größer auf Mobile */
    .bookin-btn {
        height: 48px;
        line-height: 48px;
        font-size: 16px;
        border-radius: 6px;
    }

    /* People Popup: volle Breite auf Mobile */
    .bookin-people-popup {
        position: fixed !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        border-radius: var(--bk-popup-radius, 12px) var(--bk-popup-radius, 12px) 0 0 !important;
        padding: 20px 20px 30px;
        box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.2) !important;
        animation: slideUpPopup 0.3s ease-out forwards;
    }

    /* Stepper: Touch-friendly */
    .bookin-step-btn {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }

    .bookin-step-val {
        width: 40px;
        font-size: 18px;
    }

    /* Label: etwas kleiner auf Mobile */
    .bookin-form-group label {
        font-size: 0.7rem;
        margin-bottom: 4px;
    }

    /* Ages: vertikal stapeln */
    .bookin-ages-container {
        flex-direction: column;
    }

    .bookin-age-input-group {
        min-width: 100%;
    }

    .bookin-age-input-group select {
        height: 48px;
        font-size: 16px;
    }

    /* Calendar: etwas größer auf kleinen Screens */
    .flatpickr-calendar[class*="bookin-theme-"] {
        width: 95vw !important;
        max-width: 360px !important;
    }

    /* Calendar-only wrapper: Button Abstand */
    .bookin-calendar-only-wrapper .bookin-btn {
        height: 48px;
        line-height: 48px;
        font-size: 16px;
    }
}

/* ====================================================
   RESPONSIVE: SMALL MOBILE (max-width: 360px)
   ==================================================== */
@media (max-width: 360px) {
    .bookin-wrapper {
        padding: 12px;
    }

    .bookin-main-row {
        gap: 10px;
    }

    .flatpickr-calendar[class*="bookin-theme-"] .flatpickr-day {
        height: 38px !important;
        line-height: 38px !important;
    }
}

/* --- ANIMATIONS --- */
@keyframes fadeInPop {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpPopup {
    from {
        opacity: 0;
        transform: translateY(100%);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInBackdrop {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* --- PRINT STYLES --- */
@media print {

    .bookin-wrapper,
    .bookin-calendar-only-wrapper,
    .flatpickr-calendar {
        display: none !important;
    }
}
/* 1.8.1: A11y — Screen-Reader-only Label für Calendar-Only-Widget (sonst kein Label sichtbar) */
.bookin-calendar-only-wrapper .screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    -webkit-clip-path: inset(50%);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}