/**
 * XLN Shared Styles
 *
 * Shared CSS variables, utilities, and components used across all XLN pages.
 * Include this file on each page via a <link> tag in copy.html:
 *
 *   <link rel="stylesheet" href="/xln-shared.css" />
 *
 * HOW TO CUSTOMIZE per-page:
 * Override any --xln-* variable in the page's own custom_css.css inside :root {}.
 */

/* ============================================
   CSS Variables (design tokens)
   ============================================ */
:root {
    /* === 3 BASE COLORS (override per page/theme) === */
    --xln-color-1: #394fbc;        /* Primary */
    --xln-color-2: #1e293b;        /* Text / Dark */
    --xln-color-3: #ffffff;        /* Background / White */

    /* === Derived from base colors === */
    --xln-color-1-light: #e8ebf7;
    --xln-color-1-dark: #2d3e96;
    --xln-color-2-light: #64748b;
    --xln-color-3-dark: #f1f5f9;

    /* === Semantic colors === */
    --xln-border: #e2e8f0;
    --xln-success: #10b981;
    --xln-success-light: #d1fae5;
    --xln-warning: #f59e0b;
    --xln-warning-light: #fef3c7;
    --xln-error: #ef4444;

    /* === Typography === */
    --xln-font-large: 2.2rem;
    --xln-font-normal: 1.6rem;
    --xln-font-small: 1.3rem;

    /* === Layout & Effects === */
    --xln-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --xln-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --xln-radius: 16px;
    --xln-radius-sm: 8px;
    --xln-transition: all 0.3s ease;

    /* === --xlntest-* aliases (used by Verleih / Verleihobjektdetails pages) === */
    --xlntest-color-1: var(--xln-color-1, #394fbc);
    --xlntest-color-2: var(--xln-color-2, #1e293b);
    --xlntest-color-3: var(--xln-color-3, #ffffff);
    --xlntest-font-large: var(--xln-font-large, 1.8rem);
    --xlntest-font-normal: var(--xln-font-normal, 1.25rem);
    --xlntest-font-small: var(--xln-font-small, 1.05rem);
    --xlntest-color-1-light: var(--xln-color-1-light, #e8ebf7);
    --xlntest-color-1-dark: var(--xln-color-1-dark, #2d3e96);
    --xlntest-color-2-light: var(--xln-color-2-light, #64748b);
    --xlntest-color-3-dark: var(--xln-color-3-dark, #f1f5f9);
    --xlntest-border: var(--xln-border, #e2e8f0);
    --xlntest-shadow: var(--xln-shadow, 0 4px 12px rgba(0, 0, 0, 0.08));
    --xlntest-shadow-lg: var(--xln-shadow-lg, 0 8px 24px rgba(0, 0, 0, 0.12));
    --xlntest-radius: var(--xln-radius, 16px);
    --xlntest-radius-sm: var(--xln-radius-sm, 8px);
    --xlntest-transition: var(--xln-transition, all 0.3s ease);
    --xlntest-error: var(--xln-error, #ef4444);
}

/* ============================================
   Initial Loader (full-screen spinner on page load)
   ============================================ */
.xln-initial-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--xln-color-3-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.xln-initial-loader.xln-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.xln-initial-loader-content {
    text-align: center;
}

.xln-initial-loader-content p {
    margin-top: 16px;
    color: var(--xln-color-2-light);
    font-size: 14px;
}

/* ============================================
   Spinners
   ============================================ */
@keyframes xln-spin {
    to { transform: rotate(360deg); }
}

.xln-spinner {
    width: 52px;
    height: 52px;
    border: 4px solid var(--xln-border);
    border-top-color: var(--xln-color-1);
    border-radius: 50%;
    animation: xln-spin 1s linear infinite;
}

.xln-spinner-large {
    width: 48px;
    height: 48px;
    border: 4px solid var(--xln-border);
    border-top-color: var(--xln-color-1);
    border-radius: 50%;
    animation: xln-spin 1s linear infinite;
    margin: 0 auto;
}

/* ============================================
   Retry Button
   ============================================ */
.xln-retry-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--xln-color-1);
    color: var(--xln-color-3);
    border: none;
    border-radius: var(--xln-radius-sm);
    font-size: var(--xln-font-normal);
    font-weight: 600;
    cursor: pointer;
    transition: var(--xln-transition);
}

.xln-retry-button:hover {
    background: var(--xln-color-1-dark);
}

/* ============================================
   Back Link (navigation)
   ============================================ */
.xln-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--xln-color-2-light);
    text-decoration: none;
    font-size: var(--xln-font-normal);
    font-weight: 500;
    padding: 8px 0;
    transition: var(--xln-transition);
}

.xln-back-link:hover {
    color: var(--xln-color-1);
}

.xln-back-link svg {
    transition: transform 0.2s ease;
}

.xln-back-link:hover svg {
    transform: translateX(-4px);
}

/* ============================================
   Page header bar
   ============================================ */
.xln-page-header {
    background: var(--xln-color-1);
    padding: 48px 24px;
    margin-bottom: 48px;
}

.xln-page-header-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.xln-page-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    font-size: var(--xln-font-large);
    font-weight: 700;
    color: var(--xln-color-3);
    margin: 0 0 14px 0;
}

.xln-page-title svg {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
}

.xln-page-subtitle {
    font-size: var(--xln-font-normal);
    color: var(--xln-color-3);
    opacity: 0.9;
    margin: 0;
}

/* ============================================
   Content wrapper
   ============================================ */
.xln-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.xln-content-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ============================================
   Modal base
   ============================================ */
.xln-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.xln-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.xln-modal-container {
    position: relative;
    background: var(--xln-color-3);
    border-radius: var(--xln-radius) var(--xln-radius) 0 0;
    width: 100%;
    max-width: 680px;
    max-height: 92vh;
    overflow-y: auto;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

@media (min-width: 640px) {
    .xln-modal {
        align-items: center;
    }
    .xln-modal-container {
        border-radius: var(--xln-radius);
        max-height: 85vh;
    }
}

/* ============================================
   Toast notification
   ============================================ */
.xln-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--xln-color-2);
    color: var(--xln-color-3);
    padding: 14px 20px;
    border-radius: var(--xln-radius-sm);
    box-shadow: var(--xln-shadow-lg);
    font-size: var(--xln-font-small);
    font-weight: 500;
    z-index: 2000;
    display: none;
    max-width: 360px;
}

.xln-toast.xln-toast-success {
    background: var(--xln-success);
}

.xln-toast.xln-toast-error {
    background: var(--xln-error);
}

/* ============================================
   Badge / Count chip
   ============================================ */
.xln-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--xln-error);
    color: var(--xln-color-3);
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* ============================================
   Utility: page-level fade-in
   ============================================ */
.xln-page {

    min-height: 100vh;
    background: var(--xln-color-3-dark);
    padding-bottom: 60px;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.xln-page.xln-ready {
    opacity: 1;
}

/* ============================================
   Shared Modal Window
   Used by: xlntest-modal-container, xlntest-cart-modal-container,
            xlntest-rent-wizard-container (and future modals)
   ============================================ */

/* Overlay (full-screen dimmed backdrop) */
.xlntest-modal-backdrop,
.xlntest-cart-modal-overlay,
.xlntest-rent-wizard-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

/* Outer wrapper (positions the window in viewport center) */
.xlntest-modal,
.xlntest-cart-modal,
.xlntest-rent-wizard {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* The window box itself */
.xlntest-modal-container,
.xlntest-cart-modal-container,
.xlntest-rent-wizard-container {
    position: relative;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    background: var(--xlntest-color-3, var(--xln-color-3, #ffffff));
    border-radius: var(--xlntest-radius, var(--xln-radius, 16px));
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header bar (title + close button) */
.xlntest-modal-appbar,
.xlntest-cart-modal-header,
.xlntest-rent-wizard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--xlntest-border, var(--xln-border, #e2e8f0));
    background: var(--xlntest-color-3-dark, var(--xln-color-3-dark, #f1f5f9));
    flex-shrink: 0;
}

/* Header title text */
.xlntest-cart-modal-title,
.xlntest-rent-wizard-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--xlntest-font-large, var(--xln-font-large, 1.5rem));
    font-weight: 700;
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
    margin: 0;
}

.xlntest-cart-modal-title svg,
.xlntest-rent-wizard-title svg {
    color: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
}

/* Close button (header variant) */
.xlntest-cart-modal-close,
.xlntest-rent-wizard-close {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--xlntest-radius-sm, var(--xln-radius-sm, 8px));
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--xlntest-color-2-light, var(--xln-color-2-light, #64748b));
    transition: var(--xlntest-transition, var(--xln-transition, all 0.3s ease));
}

.xlntest-cart-modal-close:hover,
.xlntest-rent-wizard-close:hover {
    background: var(--xlntest-border, var(--xln-border, #e2e8f0));
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
}

/* Scrollable content area */
.xlntest-modal-content,
.xlntest-cart-modal-body,
.xlntest-rent-wizard-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

/* Footer bar (action buttons) */
.xlntest-cart-modal-footer,
.xlntest-rent-wizard-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--xlntest-border, var(--xln-border, #e2e8f0));
    background: var(--xlntest-color-3-dark, var(--xln-color-3-dark, #f1f5f9));
    flex-shrink: 0;
}

/* ============================================
   Shared Modal — Form Elements
   ============================================ */

/* Form section title (uppercase label above group) */
.xlntest-form-section-title {
    font-size: var(--xlntest-font-small, var(--xln-font-small, 0.95rem));
    font-weight: 600;
    color: var(--xlntest-color-2-light, var(--xln-color-2-light, #64748b));
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--xlntest-border, var(--xln-border, #e2e8f0));
}

/* Section heading with icon (used in cart body and rent wizard steps) */
.xlntest-cart-section-title,
.xlntest-rent-step-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--xlntest-font-large, var(--xln-font-large, 1.5rem));
    font-weight: 600;
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
    margin: 0 0 20px 0;
}

.xlntest-cart-section-title svg,
.xlntest-rent-step-title svg {
    color: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
}

/* Form container */
.xlntest-modal-form,
.xlntest-cart-form,
.xlntest-rent-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Form row (side-by-side groups) */
.xlntest-form-row,
.xlntest-cart-form-row,
.xlntest-rent-form-row {
    display: flex;
    gap: 14px;
}

/* Form group (label + input) */
.xlntest-form-group,
.xlntest-cart-form-group,
.xlntest-rent-form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

/* Address field ratios — street */
.xlntest-form-group-street,
.xlntest-cart-form-group-street,
.xlntest-rent-form-group-street { flex: 3; }

/* Address field ratios — house number */
.xlntest-form-group-streetnr,
.xlntest-cart-form-group-hnr,
.xlntest-rent-form-group-housenumber { flex: 0 0 100px; min-width: 0; }

/* Address field ratios — zip */
.xlntest-form-group-zip,
.xlntest-cart-form-group-zip,
.xlntest-rent-form-group-zip { flex: 0 0 120px; min-width: 0; }

/* Address field ratios — city */
.xlntest-form-group-city,
.xlntest-cart-form-group-city,
.xlntest-rent-form-group-city { flex: 2; }

/* Full-width group */
.xlntest-cart-form-group-full,
.xlntest-rent-form-group-full { width: 100%; }

/* Label */
.xlntest-form-label,
.xlntest-cart-form-group label,
.xlntest-rent-form-group label,
.xlntest-question-label {
    font-size: var(--xlntest-font-small, var(--xln-font-small, 0.95rem));
    font-weight: 600;
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
}

/* Text input / select */
.xlntest-form-input,
.xlntest-cart-input,
.xlntest-rent-input {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--xlntest-border, var(--xln-border, #e2e8f0));
    border-radius: var(--xlntest-radius-sm, var(--xln-radius-sm, 8px));
    font-size: var(--xlntest-font-normal, var(--xln-font-normal, 1.1rem));
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
    background: var(--xlntest-color-3, var(--xln-color-3, #ffffff));
    transition: var(--xlntest-transition, var(--xln-transition, all 0.3s ease));
    font-family: inherit;
    box-sizing: border-box;
}

.xlntest-form-input:focus,
.xlntest-cart-input:focus,
.xlntest-rent-input:focus {
    outline: none;
    border-color: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
    box-shadow: 0 0 0 4px var(--xlntest-color-1-light, var(--xln-color-1-light, #e8ebf7));
}

.xlntest-form-input::placeholder,
.xlntest-cart-input::placeholder,
.xlntest-rent-input::placeholder {
    color: var(--xlntest-color-2-light, var(--xln-color-2-light, #64748b));
    opacity: 0.6;
}

/* Textarea */
.xlntest-cart-textarea,
.xlntest-rent-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--xlntest-border, var(--xln-border, #e2e8f0));
    border-radius: var(--xlntest-radius-sm, var(--xln-radius-sm, 8px));
    font-size: var(--xlntest-font-normal, var(--xln-font-normal, 1.1rem));
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
    background: var(--xlntest-color-3, var(--xln-color-3, #ffffff));
    transition: var(--xlntest-transition, var(--xln-transition, all 0.3s ease));
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
    box-sizing: border-box;
}

.xlntest-cart-textarea:focus,
.xlntest-rent-textarea:focus {
    outline: none;
    border-color: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
    box-shadow: 0 0 0 4px var(--xlntest-color-1-light, var(--xln-color-1-light, #e8ebf7));
}

/* Inline field error text */
.xlntest-cart-field-error,
.xlntest-rent-error,
.xlntest-form-error {
    font-size: 0.95rem;
    color: var(--xlntest-error, var(--xln-error, #ef4444));
    display: none;
}

.xlntest-cart-form-group.has-error .xlntest-cart-field-error,
.xlntest-rent-form-group.has-error .xlntest-rent-error,
.xlntest-form-group.has-error .xlntest-form-error { display: block; }

.xlntest-cart-form-group.has-error .xlntest-cart-input,
.xlntest-cart-form-group.has-error .xlntest-cart-textarea,
.xlntest-rent-form-group.has-error .xlntest-rent-input,
.xlntest-rent-form-group.has-error .xlntest-rent-textarea,
.xlntest-form-group.has-error .xlntest-form-input,
.xlntest-form-input.error,
.xlntest-rent-input.error { border-color: var(--xlntest-error, var(--xln-error, #ef4444)); }

/* Required field asterisk */
.xlntest-required-star {
    color: var(--xlntest-error, var(--xln-error, #ef4444));
}

/* ============================================
   Shared Modal — Checkbox
   ============================================ */

/* Custom styled checkbox wrapper */
.xlntest-confirm-check,
.xlntest-cart-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: var(--xlntest-font-small, var(--xln-font-small, 0.95rem));
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
    line-height: 1.5;
}

/* Accent color for native checkbox (cart) */
.xlntest-cart-checkbox-label input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
    width: 18px;
    height: 18px;
}

/* Custom checkmark box (confirm) */
.xlntest-confirm-check input[type="checkbox"] { display: none; }

.xlntest-confirm-checkmark {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--xlntest-border, var(--xln-border, #e2e8f0));
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-top: 1px;
    flex-shrink: 0;
}

.xlntest-confirm-check input:checked ~ .xlntest-confirm-checkmark {
    background: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
    border-color: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
}

.xlntest-confirm-check input:checked ~ .xlntest-confirm-checkmark::after {
    content: '';
    display: block;
    width: 6px;
    height: 10px;
    border: solid var(--xlntest-color-3, var(--xln-color-3, #ffffff));
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.xlntest-confirm-check:hover { border-color: var(--xlntest-color-1, var(--xln-color-1, #394fbc)); }
.xlntest-confirm-text { line-height: 1.5; }

/* ============================================
   Shared Modal — Toggle Switch
   ============================================ */
.xlntest-rent-toggle-wrap { margin-top: 6px; }

.xlntest-rent-toggle {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.xlntest-rent-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.xlntest-rent-toggle-track {
    position: relative;
    width: 52px;
    height: 28px;
    background: var(--xlntest-border, var(--xln-border, #e2e8f0));
    border-radius: 14px;
    transition: background 0.25s ease;
    flex-shrink: 0;
}

.xlntest-rent-toggle input:checked ~ .xlntest-rent-toggle-track {
    background: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
}

.xlntest-rent-toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
    transition: transform 0.25s ease;
}

.xlntest-rent-toggle input:checked ~ .xlntest-rent-toggle-track .xlntest-rent-toggle-thumb {
    transform: translateX(24px);
}

.xlntest-rent-toggle-labels {
    display: flex;
    align-items: center;
    font-size: var(--xlntest-font-normal, var(--xln-font-normal, 1.1rem));
    font-weight: 500;
}

.xlntest-rent-toggle-label-off { color: var(--xlntest-color-2, var(--xln-color-2, #1e293b)); }
.xlntest-rent-toggle-label-on { display: none; color: var(--xlntest-color-1, var(--xln-color-1, #394fbc)); font-weight: 600; }
.xlntest-rent-toggle input:checked ~ .xlntest-rent-toggle-labels .xlntest-rent-toggle-label-off { display: none; }
.xlntest-rent-toggle input:checked ~ .xlntest-rent-toggle-labels .xlntest-rent-toggle-label-on { display: inline; }

/* ============================================
   Shared Modal — Buttons
   ============================================ */

/* Primary button */
.xlntest-btn-primary,
.xlntest-cart-btn-primary,
.xlntest-rent-btn.xlntest-rent-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: 2px solid var(--xlntest-color-1, var(--xln-color-1, #394fbc));
    border-radius: var(--xlntest-radius-sm, var(--xln-radius-sm, 8px));
    background: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
    color: var(--xlntest-color-3, var(--xln-color-3, #ffffff));
    font-size: var(--xlntest-font-normal, var(--xln-font-normal, 1.1rem));
    font-weight: 600;
    cursor: pointer;
    transition: var(--xlntest-transition, var(--xln-transition, all 0.3s ease));
    text-decoration: none;
}

.xlntest-btn-primary:hover:not(:disabled),
.xlntest-cart-btn-primary:hover:not(:disabled),
.xlntest-rent-btn.xlntest-rent-btn-primary:hover:not(:disabled) {
    background: var(--xlntest-color-1-dark, var(--xln-color-1-dark, #2d3e96));
    border-color: var(--xlntest-color-1-dark, var(--xln-color-1-dark, #2d3e96));
}

.xlntest-btn-primary:disabled,
.xlntest-cart-btn-primary:disabled,
.xlntest-rent-btn.xlntest-rent-btn-primary:disabled {
    background: var(--xlntest-border, var(--xln-border, #e2e8f0));
    border-color: var(--xlntest-border, var(--xln-border, #e2e8f0));
    color: var(--xlntest-color-2-light, var(--xln-color-2-light, #64748b));
    cursor: not-allowed;
    opacity: 1;
}

/* Secondary button */
.xlntest-btn-secondary,
.xlntest-cart-btn-secondary,
.xlntest-rent-btn.xlntest-rent-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: 2px solid var(--xlntest-border, var(--xln-border, #e2e8f0));
    border-radius: var(--xlntest-radius-sm, var(--xln-radius-sm, 8px));
    background: var(--xlntest-color-3, var(--xln-color-3, #ffffff));
    color: var(--xlntest-color-2, var(--xln-color-2, #1e293b));
    font-size: var(--xlntest-font-normal, var(--xln-font-normal, 1.1rem));
    font-weight: 600;
    cursor: pointer;
    transition: var(--xlntest-transition, var(--xln-transition, all 0.3s ease));
    text-decoration: none;
}

.xlntest-btn-secondary:hover,
.xlntest-cart-btn-secondary:hover,
.xlntest-rent-btn.xlntest-rent-btn-secondary:hover {
    background: var(--xlntest-color-3-dark, var(--xln-color-3-dark, #f1f5f9));
    border-color: var(--xlntest-color-2-light, var(--xln-color-2-light, #64748b));
}

/* Shared spinner animation */
@keyframes xlntest-spin {
    to { transform: rotate(360deg); }
}

.xlntest-btn-spinner,
.xlntest-cart-spinner,
.xlntest-rent-spinner {
    animation: xlntest-spin 1s linear infinite;
}

/* Loader inline wrapper */
.xlntest-cart-btn-loader,
.xlntest-rent-btn-loader { display: inline-flex; }

/* ============================================
   Shared Modal — Error Toast
   ============================================ */
.xlntest-toast-error,
.xlntest-cart-form-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: #fef2f2;
    color: #991b1b;
    border-radius: var(--xlntest-radius-sm, var(--xln-radius-sm, 8px));
    font-size: var(--xlntest-font-small, var(--xln-font-small, 0.95rem));
    font-weight: 500;
}

.xlntest-toast-error svg,
.xlntest-cart-form-error svg { flex-shrink: 0; color: #ef4444; }

/* ============================================
   Shared Modal — Success Message (inline)
   ============================================ */
.xlntest-form-success {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--xlntest-radius-sm, var(--xln-radius-sm, 8px));
    font-size: var(--xlntest-font-small, var(--xln-font-small, 0.95rem));
    font-weight: 500;
    background: #f0fdf4;
    color: #16a34a;
}

.xlntest-form-success svg { flex-shrink: 0; color: #16a34a; }

/* ============================================
   Processing overlay — blocks all interaction during async operations
   ============================================ */
.xln-processing-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.92);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    z-index: 19999;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.xln-processing-overlay.xln-active {
    display: flex;
}

.xln-processing-overlay-text {
    font-size: var(--xln-font-normal, 1.6rem);
    font-weight: 600;
    color: var(--xln-color-2, #1e293b);
}

/* ============================================
   Result popup — success / error floating dialog
   ============================================ */
.xln-result-popup {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.xln-result-popup.xln-active {
    display: flex;
}

.xln-result-popup-box {
    background: var(--xln-color-3, #ffffff);
    border-radius: var(--xln-radius, 16px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px 32px;
    max-width: 440px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.xln-result-popup-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
}

.xln-result-popup-icon.xln-popup-success { color: #16a34a; }
.xln-result-popup-icon.xln-popup-error   { color: #ef4444; }

.xln-result-popup-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--xln-color-2, #1e293b);
    margin: 0;
}

.xln-result-popup-message {
    font-size: 1.3rem;
    color: var(--xln-color-2-light, #64748b);
    margin: 0;
    line-height: 1.5;
}

.xln-result-popup-btn {
    margin-top: 8px;
    padding: 12px 36px;
    border-radius: var(--xln-radius-sm, 8px);
    font-size: 1.3rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.xln-result-popup-btn.xln-popup-success {
    background: #16a34a;
    color: #ffffff;
}
.xln-result-popup-btn.xln-popup-success:hover { background: #15803d; }

.xln-result-popup-btn.xln-popup-error {
    background: var(--xln-color-1, #394fbc);
    color: #ffffff;
}
.xln-result-popup-btn.xln-popup-error:hover { background: var(--xln-color-1-dark, #2d3e96); }

/* ============================================
   Shared Wizard Progress Bar
   Used by: xlntest-cart-wizard-progress (Cart Modal, Rent Wizard)
   ============================================ */
.xlntest-cart-wizard-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 24px 0;
    background: var(--xlntest-color-3, var(--xln-color-3, #ffffff));
}

.xlntest-cart-wizard-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.xlntest-cart-wizard-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--xlntest-border, var(--xln-border, #e2e8f0));
    color: var(--xlntest-color-2-light, var(--xln-color-2-light, #64748b));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    transition: background 0.3s ease, color 0.3s ease;
}

.xlntest-cart-wizard-progress-step.active .xlntest-cart-wizard-circle {
    background: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
    color: var(--xlntest-color-3, var(--xln-color-3, #ffffff));
}

.xlntest-cart-wizard-progress-step.completed .xlntest-cart-wizard-circle {
    background: #10b981;
    color: #ffffff;
}

.xlntest-cart-wizard-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--xlntest-color-2-light, var(--xln-color-2-light, #64748b));
    white-space: nowrap;
    transition: color 0.3s ease;
}

.xlntest-cart-wizard-progress-step.active .xlntest-cart-wizard-label {
    color: var(--xlntest-color-1, var(--xln-color-1, #394fbc));
}

.xlntest-cart-wizard-progress-step.completed .xlntest-cart-wizard-label {
    color: #10b981;
}

.xlntest-cart-wizard-line {
    flex: 1;
    height: 3px;
    background: var(--xlntest-border, var(--xln-border, #e2e8f0));
    margin: 0 10px 20px;
    border-radius: 2px;
    transition: background 0.3s ease;
    min-width: 40px;
}

.xlntest-cart-wizard-line.completed {
    background: #10b981;
}

/* Wizard Steps (shared — works for both cart and rent wizard steps) */
.xlntest-cart-wizard-step {
    display: none;
    animation: xlntest-cart-fadeIn 0.25s ease;
}

.xlntest-cart-wizard-step.active {
    display: block;
}

@keyframes xlntest-cart-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Footer nav group */
.xlntest-cart-footer-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============================================
   Shared Modal — Responsive (mobile fullscreen)
   ============================================ */
@media (max-width: 768px) {
    .xlntest-modal,
    .xlntest-cart-modal,
    .xlntest-rent-wizard {
        padding: 0;
    }

    .xlntest-modal-container,
    .xlntest-cart-modal-container,
    .xlntest-rent-wizard-container {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .xlntest-form-row,
    .xlntest-cart-form-row,
    .xlntest-rent-form-row {
        flex-direction: column;
    }

    .xlntest-form-group-street,
    .xlntest-form-group-streetnr,
    .xlntest-form-group-zip,
    .xlntest-form-group-city,
    .xlntest-cart-form-group-street,
    .xlntest-cart-form-group-hnr,
    .xlntest-cart-form-group-zip,
    .xlntest-cart-form-group-city,
    .xlntest-rent-form-group-street,
    .xlntest-rent-form-group-housenumber,
    .xlntest-rent-form-group-zip,
    .xlntest-rent-form-group-city {
        flex: 1;
    }

    /* Keep street + nr on same line */
    .xlntest-form-row:has(.xlntest-form-group-street),
    .xlntest-cart-form-row:has(.xlntest-cart-form-group-street),
    .xlntest-rent-form-row:has(.xlntest-rent-form-group-street) {
        flex-direction: row;
        gap: 12px;
    }

    .xlntest-cart-modal-footer,
    .xlntest-rent-wizard-footer {
        flex-direction: column-reverse;
    }

    .xlntest-btn-primary,
    .xlntest-btn-secondary,
    .xlntest-cart-btn-primary,
    .xlntest-cart-btn-secondary,
    .xlntest-rent-btn {
        width: 100%;
    }

    .xlntest-rent-btn-primary {
        margin-left: 0;
    }
}

/* ============================================
   Confirm Dialog — Shared Base
   ============================================ */
.xlntest-confirm-dialog {
    position: fixed;
    inset: 0;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.xlntest-confirm-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.xlntest-confirm-box {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: var(--xlntest-color-3, #ffffff);
    border-radius: var(--xlntest-radius, 16px);
    padding: 32px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: xlntest-confirm-in 0.2s ease;
}

@keyframes xlntest-confirm-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.xlntest-confirm-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.xlntest-confirm-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--xlntest-color-2, #1e293b);
    margin: 0 0 8px 0;
}

.xlntest-confirm-text {
    font-size: var(--xlntest-font-small, 0.95rem);
    color: var(--xlntest-color-2-light, #64748b);
    margin: 0 0 24px 0;
    line-height: 1.5;
}

.xlntest-confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.xlntest-confirm-cancel,
.xlntest-confirm-delete,
.xlntest-confirm-add {
    padding: 10px 24px;
    border-radius: var(--xlntest-radius-sm, 8px);
    font-size: var(--xlntest-font-normal, 1.1rem);
    font-weight: 600;
    cursor: pointer;
    transition: var(--xlntest-transition, all 0.3s ease);
    border: none;
}

.xlntest-confirm-cancel {
    background: var(--xlntest-color-3-dark, #f1f5f9);
    color: var(--xlntest-color-2, #1e293b);
    border: 1px solid var(--xlntest-border, #e2e8f0);
}

.xlntest-confirm-cancel:hover {
    background: var(--xlntest-border, #e2e8f0);
}

@media (max-width: 480px) {
    .xlntest-confirm-actions {
        flex-direction: column-reverse;
    }

    .xlntest-confirm-cancel,
    .xlntest-confirm-delete,
    .xlntest-confirm-add {
        width: 100%;
    }
}