/* Frontend Styles for Flexible Page Navigation */

.fpn-navigation {
    line-height: 1.6;
}

.fpn-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.fpn-navigation li {
    margin: 0;
    padding: 0;
}

.fpn-navigation a {
    display: block;
    text-decoration: none;
    padding: 0.5rem 0;
    transition: all 0.2s ease;
}

/* Active formatting only for level 0 items when on the page or its children */
.fpn-navigation > ul > li > a.fpn-active {
    font-weight: bold;
}

/* Remove active formatting from deeper levels */
.fpn-navigation ul ul a.fpn-active {
    font-weight: normal;
    text-decoration: none;
}

.fpn-navigation.fpn-no-pages {
    text-align: center;
    padding: 2rem;
    font-style: italic;
    color: #666;
}

.fpn-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.fpn-list ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.fpn-item {
    position: relative;
    border-bottom: none;
    background: transparent;
}

.fpn-item:last-child {
    border-bottom: none;
}

.fpn-item a {
    display: block;
    padding: 8px 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    font-weight: normal;
    color: var(--fpn-link-color, inherit);
    background: transparent;
}

.fpn-item a:hover {
    background-color: var(--fpn-hover-bg, transparent);
    transform: none;
    text-decoration: underline;
    color: var(--fpn-hover-color, inherit);
}

/* Active formatting only for level 0 items */
.fpn-depth-0 > .fpn-item.fpn-active > a {
    font-weight: bold;
    position: relative;
    background: var(--fpn-active-bg, transparent);
    color: var(--fpn-active-color, #333);
}

/* Remove active formatting from deeper levels */
.fpn-depth-1 > .fpn-item.fpn-active > a,
.fpn-depth-2 > .fpn-item.fpn-active > a,
.fpn-depth-3 > .fpn-item.fpn-active > a,
.fpn-depth-4 > .fpn-item.fpn-active > a {
    font-weight: normal;
    background: transparent;
    color: inherit;
}

/* Active parent formatting only for level 0 items */
.fpn-navigation .fpn-depth-0 > .fpn-active-parent > a {
    font-weight: bold;
}

/* Remove active parent formatting from deeper levels */
.fpn-depth-1 > .fpn-item.fpn-active-parent > a,
.fpn-depth-2 > .fpn-item.fpn-active-parent > a,
.fpn-depth-3 > .fpn-item.fpn-active-parent > a,
.fpn-depth-4 > .fpn-item.fpn-active-parent > a {
    font-weight: normal;
    text-decoration: none;
}

/* Only show toggle button for depth 2 and above (third level) */
.fpn-item.fpn-has-children > a {
    position: relative;
    padding-right: 16px; /* Default padding for items without toggle */
}

/* Toggle button styling */
.fpn-toggle {
    position: absolute;
    right: 8px;
    top: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 3px;
    transition: all 0.3s ease;
    color: inherit;
    font-size: 14px;
    line-height: 1;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    z-index: 10;
}

/* Add extra padding to links that have toggle buttons - using depth-based approach */
.fpn-depth-1 .fpn-item.fpn-has-children > a,
.fpn-depth-2 .fpn-item.fpn-has-children > a,
.fpn-depth-3 .fpn-item.fpn-has-children > a,
.fpn-depth-4 .fpn-item.fpn-has-children > a {
    padding-right: 40px;
}

/* Toggle button styling */
.fpn-toggle:hover {
    background-color: transparent;
    color: #666;
}

.fpn-toggle:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.fpn-toggle-icon {
    transition: opacity 0.3s ease;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.fpn-toggle-minus {
    display: none;
    opacity: 0;
}

.fpn-item.fpn-has-children.fpn-expanded > .fpn-toggle .fpn-toggle-plus {
    display: none;
    opacity: 0;
}

.fpn-item.fpn-has-children.fpn-expanded > .fpn-toggle .fpn-toggle-minus {
    display: block;
    opacity: 1;
}

/* Recursive Accordion Functionality - hide only depth 2+ by default */
.fpn-navigation[data-accordion="true"] .fpn-item .fpn-depth-2,
.fpn-navigation[data-accordion="true"] .fpn-item .fpn-depth-3,
.fpn-navigation[data-accordion="true"] .fpn-item .fpn-depth-4 {
    display: none !important; /* Hide depth 2+ by default */
}

/* Show sublevels when parent is expanded - more specific selectors */
.fpn-navigation[data-accordion="true"] .fpn-item.fpn-expanded > .fpn-depth-2,
.fpn-navigation[data-accordion="true"] .fpn-item.fpn-expanded > .fpn-depth-3,
.fpn-navigation[data-accordion="true"] .fpn-item.fpn-expanded > .fpn-depth-4 {
    display: block !important; /* Show when parent is expanded */
    animation: fpn-slide-down 0.3s ease-out;
}

/* Also handle nested expanded items */
.fpn-navigation[data-accordion="true"] .fpn-item.fpn-expanded .fpn-item.fpn-expanded > .fpn-depth-3,
.fpn-navigation[data-accordion="true"] .fpn-item.fpn-expanded .fpn-item.fpn-expanded > .fpn-depth-4 {
    display: block !important;
}

.fpn-navigation.fpn-orientation-vertical[data-accordion="false"] .fpn-item .fpn-depth-1,
.fpn-navigation.fpn-orientation-vertical[data-accordion="false"] .fpn-item .fpn-depth-2,
.fpn-navigation.fpn-orientation-vertical[data-accordion="false"] .fpn-item .fpn-depth-3,
.fpn-navigation.fpn-orientation-vertical[data-accordion="false"] .fpn-item .fpn-depth-4 {
    display: none; /* Hide by default when accordion is false */
}

/* Active state styling - cascades through all levels */
.fpn-item.fpn-active > a,
.fpn-item.fpn-active-parent > a {
    font-weight: bold;
    position: relative;
}

/* When accordion is false, show children of active items and their parents */
.fpn-navigation.fpn-orientation-vertical[data-accordion="false"] .fpn-item.fpn-active > ul,
.fpn-navigation.fpn-orientation-vertical[data-accordion="false"] .fpn-item.fpn-active-parent > ul {
    display: block;
}

/* When accordion is false, hide children of non-active, non-parent items */
.fpn-navigation.fpn-orientation-vertical[data-accordion="false"] .fpn-item:not(.fpn-active):not(.fpn-active-parent) > ul {
    display: none;
}

/* Toggle button visibility - show for depth 1+ with children */
.fpn-toggle {
    display: none; /* Hide by default */
}

/* Show toggle buttons only for the deepest visible level with children */
.fpn-depth-1 .fpn-item.fpn-has-children .fpn-toggle,
.fpn-depth-2 .fpn-item.fpn-has-children .fpn-toggle,
.fpn-depth-3 .fpn-item.fpn-has-children .fpn-toggle,
.fpn-depth-4 .fpn-item.fpn-has-children .fpn-toggle {
    display: flex;
}

/* Depth-based styling - basic structure only, styling handled by inline CSS */
.fpn-depth-0 > .fpn-item > a {
    font-size: 16px;
    font-weight: 600;
}

.fpn-depth-1 > .fpn-item > a {
    font-size: 14px;
}

.fpn-depth-2 > .fpn-item > a {
    font-size: 13px;
}

.fpn-depth-3 > .fpn-item > a {
    font-size: 12px;
}

.fpn-depth-4 > .fpn-item > a {
    font-size: 11px;
}

/* Animations */
@keyframes fpn-slide-down {
    from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        max-height: 1000px;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .fpn-navigation {
        margin: 10px 0;
    }
    
    .fpn-item a {
        padding: 10px 12px;
    }
    
    .fpn-depth-1 > .fpn-item > a {
        padding-left: 20px;
    }
    
    .fpn-depth-2 > .fpn-item > a {
        padding-left: 28px;
    }
    
    .fpn-depth-3 > .fpn-item > a {
        padding-left: 36px;
    }
    
    .fpn-depth-4 > .fpn-item > a {
        padding-left: 44px;
    }
}

@media (max-width: 480px) {
    .fpn-navigation {
        font-size: 14px;
    }
    
    .fpn-item a {
        padding: 8px 10px;
    }
    
    .fpn-item.fpn-has-children > a {
        padding-right: 35px;
    }
    
    .fpn-toggle {
        right: 6px;
        min-width: 20px;
        height: 20px;
        font-size: 10px;
    }
}

/* Print Styles */
@media print {
    .fpn-navigation {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .fpn-item a:hover {
        transform: none;
    }
    
    .fpn-navigation[data-accordion="true"] .fpn-item.fpn-has-children > ul {
        display: block;
    }
}

/* Accessibility */
.fpn-item a:focus {
    outline: 2px solid currentColor;
    outline-offset: -2px;
}

.fpn-item a:focus:not(:focus-visible) {
    outline: none;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .fpn-navigation {
        border: 2px solid currentColor;
    }
    
    .fpn-item {
        border-bottom: 2px solid currentColor;
    }
    
    .fpn-item a:hover {
        background-color: currentColor;
        color: #fff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .fpn-item a,
    .fpn-item.fpn-has-children > a::after {
        transition: none;
    }
    
    .fpn-navigation[data-accordion="true"] .fpn-item.fpn-has-children.fpn-expanded > ul {
        animation: none;
    }
}

/* Column Layout Styles */
.fpn-navigation.fpn-layout-single .fpn-depth-0 {
    display: block;
}

.fpn-navigation.fpn-layout-two-columns .fpn-depth-0 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.fpn-navigation.fpn-layout-three-columns .fpn-depth-0 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
}

.fpn-navigation.fpn-layout-four-columns .fpn-depth-0 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 1.5rem;
}

/* Responsive column layouts */
@media (max-width: 768px) {
    .fpn-navigation.fpn-layout-two-columns .fpn-depth-0,
    .fpn-navigation.fpn-layout-three-columns .fpn-depth-0,
    .fpn-navigation.fpn-layout-four-columns .fpn-depth-0 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .fpn-navigation.fpn-layout-four-columns .fpn-depth-0 {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
}

/* Hover Effects */
.fpn-navigation[data-hover="underline"] .fpn-item a:hover {
    text-decoration: underline;
}

.fpn-navigation[data-hover="background"] .fpn-item a:hover {
    background-color: var(--fpn-hover-bg, rgba(0, 0, 0, 0.1));
    text-decoration: none;
}

.fpn-navigation[data-hover="scale"] .fpn-item a:hover {
    transform: scale(1.02);
    text-decoration: none;
}

.fpn-navigation[data-hover="none"] .fpn-item a:hover {
    text-decoration: none;
    background-color: transparent;
    transform: none;
} 

/* --- Horizontale Navigation --- */
.fpn-navigation.fpn-orientation-horizontal {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
    position: relative;
    width: 100%;
    background: inherit;
}
.fpn-navigation.fpn-orientation-horizontal > ul {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    margin: 0;
    padding: 0;
    width: 100%;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-item {
    position: relative;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-item > a {
    display: block;
    padding: 12px 20px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-list ul {
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 180px;
    max-width: 280px; /* Default, can be overridden by block settings */
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    z-index: 100;
    display: none;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-list,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-list {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

/* --- Burger-Icon --- */
.fpn-navigation.fpn-orientation-horizontal .fpn-burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 200;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-burger-bar {
    width: 28px;
    height: 4px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s;
    transform-origin: center;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: 0;
}

/* Initial positioning for burger bars */
.fpn-navigation.fpn-orientation-horizontal .fpn-burger-bar:nth-child(1) {
    transform: translate(-50%, -8px);
}
.fpn-navigation.fpn-orientation-horizontal .fpn-burger-bar:nth-child(2) {
    transform: translate(-50%, -50%);
}
.fpn-navigation.fpn-orientation-horizontal .fpn-burger-bar:nth-child(3) {
    transform: translate(-50%, 4px);
}

/* Burger to X transformation */
.fpn-navigation.fpn-orientation-horizontal.fpn-mobile-open .fpn-burger-bar:nth-child(1) {
    transform: translate(-50%, -50%) rotate(45deg);
}
.fpn-navigation.fpn-orientation-horizontal.fpn-mobile-open .fpn-burger-bar:nth-child(2) {
    opacity: 0;
    transform: translate(-50%, -50%) scaleX(0);
}
.fpn-navigation.fpn-orientation-horizontal.fpn-mobile-open .fpn-burger-bar:nth-child(3) {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* --- Accordion-Toggle nur im Mobile-Accordion-Modus sichtbar --- */
.fpn-navigation.fpn-orientation-horizontal .fpn-toggle {
    display: none !important;
}
@media (max-width: 900px) {
    .fpn-navigation.fpn-orientation-horizontal[data-mobile-accordion="true"] .fpn-toggle {
        display: flex !important;
    }
}

/* --- Flyout-Menü für 2. und 3. Ebene (Desktop, horizontal, kein Accordion) --- */
.fpn-navigation.fpn-orientation-horizontal .fpn-list ul {
    left: 0;
    top: 100%;
    min-width: 180px;
    max-width: 280px; /* Default, can be overridden by block settings */
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    z-index: 100;
    display: none;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    transform: translateX(0);
}
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-list,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-list {
    display: block;
    opacity: 1;
    pointer-events: auto;
}
/* 2. Ebene (Dropdown nach unten) */
.fpn-navigation.fpn-orientation-horizontal .fpn-depth-1 {
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 180px;
    max-width: 280px; /* Default, can be overridden by block settings */
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateY(10px);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 200;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-depth-1,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-depth-1 {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
/* 3. Ebene und tiefer (Flyout nach rechts) */
.fpn-navigation.fpn-orientation-horizontal .fpn-depth-2,
.fpn-navigation.fpn-orientation-horizontal .fpn-depth-3,
.fpn-navigation.fpn-orientation-horizontal .fpn-depth-4 {
    position: absolute;
    left: 100%;
    top: 0;
    min-width: 180px;
    max-width: 280px; /* Default, can be overridden by block settings */
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateX(10px);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 300;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-depth-2,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-depth-2,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-depth-3,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-depth-3,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-depth-4,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-depth-4 {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

/* --- Mobile: Submenü als Accordion (wie gehabt) --- */
@media (max-width: 900px) {
    .fpn-navigation.fpn-orientation-horizontal .fpn-list ul,
    .fpn-navigation.fpn-orientation-horizontal .fpn-depth-1,
    .fpn-navigation.fpn-orientation-horizontal .fpn-depth-2,
    .fpn-navigation.fpn-orientation-horizontal .fpn-depth-3,
    .fpn-navigation.fpn-orientation-horizontal .fpn-depth-4 {
        position: static !important;
        left: auto !important;
        top: auto !important;
        min-width: 0 !important;
        box-shadow: none !important;
        background: #fff !important;
        transform: none !important;
        opacity: 1 !important;
        transition: none !important;
        z-index: auto !important;
    }
}

/* --- Mobile: Burger sichtbar, Menü versteckt --- */
@media (max-width: 900px) {
    .fpn-navigation.fpn-orientation-horizontal > ul {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        z-index: 100;
        margin: 0;
        padding: 0;
    }
    .fpn-navigation.fpn-orientation-horizontal .fpn-burger {
        display: flex;
    }
    .fpn-navigation.fpn-orientation-horizontal.fpn-mobile-open > ul {
        display: flex;
    }
    /* Slide Animation */
    .fpn-navigation.fpn-orientation-horizontal[data-mobile-animation="slide"] > ul {
        transform: translateY(-30px);
        opacity: 0;
        transition: transform 0.3s, opacity 0.3s;
    }
    .fpn-navigation.fpn-orientation-horizontal.fpn-mobile-open[data-mobile-animation="slide"] > ul {
        transform: translateY(0);
        opacity: 1;
    }
    /* Fade Animation */
    .fpn-navigation.fpn-orientation-horizontal[data-mobile-animation="fade"] > ul {
        opacity: 0;
        transition: opacity 0.3s;
    }
    .fpn-navigation.fpn-orientation-horizontal.fpn-mobile-open[data-mobile-animation="fade"] > ul {
        opacity: 1;
    }
    /* Keine Animation */
    .fpn-navigation.fpn-orientation-horizontal[data-mobile-animation="none"] > ul {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .fpn-navigation.fpn-orientation-horizontal.fpn-mobile-open[data-mobile-animation="none"] > ul {
        opacity: 1;
        transform: none;
        transition: none;
    }
} 

/* Parent-Item immer relativ positionieren */
.fpn-navigation.fpn-orientation-horizontal .fpn-item {
    position: relative;
}

/* Flyout-Menüs ab 2. Ebene korrekt andocken */
.fpn-navigation.fpn-orientation-horizontal .fpn-item > .fpn-depth-2,
.fpn-navigation.fpn-orientation-horizontal .fpn-item > .fpn-depth-3,
.fpn-navigation.fpn-orientation-horizontal .fpn-item > .fpn-depth-4 {
    left: 100%;
    top: 0;
    min-width: 180px;
    position: absolute;
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transform: translateX(10px);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 300;
}
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-depth-2,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-depth-2,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-depth-3,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-depth-3,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:hover > .fpn-depth-4,
.fpn-navigation.fpn-orientation-horizontal .fpn-item:focus-within > .fpn-depth-4 {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}