/**
 * BKiAI Mega Menu — Frontend Styles
 * Variables are injected from settings via wp_head.
 */

/* CSS variable defaults (overridden by inline style from settings) */
:root {
    --bkiai-mm-bg: rgba(0, 0, 0, 0.85);
    --bkiai-mm-text: #ffffff;
    --bkiai-mm-title: #ffffff;
    --bkiai-mm-hover-bg: rgba(230, 57, 70, 0.85);
    --bkiai-mm-radius: 8px;
    --bkiai-mm-columns: 1;
    --bkiai-mm-title-size: 15px;
    --bkiai-mm-title-weight: 600;
    --bkiai-mm-desc-size: 13px;
    --bkiai-mm-desc-weight: 400;
    --bkiai-mm-desc-opacity: 0.85;
    --bkiai-mm-icon-size: 22px;
    --bkiai-mm-item-padding: 12px;
    --bkiai-mm-offset: -5px;
}

/* Top-level item with mega menu */
.bkiai-has-megamenu {
    position: relative !important;
}

/* Chevron indicator next to top-level title */
.bkiai-megamenu-chevron {
    display: inline-block;
    margin-left: 6px;
    font-size: 0.85em;
    line-height: 1;
    transition: transform 0.2s ease;
    vertical-align: middle;
}

.bkiai-has-megamenu.is-open .bkiai-megamenu-chevron {
    transform: rotate(180deg);
}

/* Verstecke Theme-eigene Submenü-Pfeile (z. B. Screenr's nav-toggle-subarrow),
   damit nicht zwei Pfeile nebeneinander erscheinen. */
.bkiai-has-megamenu .nav-toggle-subarrow,
.bkiai-has-megamenu > .nav-toggle-subarrow,
.bkiai-has-megamenu .submenu-toggle,
.bkiai-has-megamenu .menu-toggle-arrow {
    display: none !important;
}

/* Mega panel container — hidden by default */
.bkiai-mega-panel {
    display: none;
    position: absolute;
    top: calc(100% + var(--bkiai-mm-offset));
    left: 0;
    background: var(--bkiai-mm-bg);
    border-radius: var(--bkiai-mm-radius);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    padding: 10px;
    z-index: 99999;
    overflow: hidden;
    min-width: 300px;
}

.bkiai-has-megamenu.is-open .bkiai-mega-panel {
    display: block !important;
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
    /* Erzwungene Größen - überschreibt Theme-Regeln, die das Panel auf 0 kollabieren */
    width: auto !important;
    min-width: 320px !important;
    height: auto !important;
    min-height: 60px !important;
    max-width: 90vw !important;
    padding: 10px !important;
    overflow: visible !important;
}

/* Inner UL: Grid-Layout erzwingen, gegen Theme-Kollabierung absichern */
.bkiai-has-megamenu.is-open .bkiai-mega-list,
#site-navigation .bkiai-has-megamenu.is-open ul.bkiai-mega-list,
#primary-menu .bkiai-has-megamenu.is-open ul.bkiai-mega-list,
nav.main-navigation .bkiai-has-megamenu.is-open ul.bkiai-mega-list,
.bkiai-mega-panel > ul.bkiai-mega-list.sub-menu {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    transform: none !important;
    display: grid !important;
    grid-template-columns: repeat(var(--bkiai-mm-columns), minmax(260px, 340px)) !important;
    gap: 4px !important;
    width: 100% !important;
    height: auto !important;
    min-height: 40px !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    visibility: visible !important;
    opacity: 1 !important;
    background: transparent !important;
    box-shadow: none !important;
}

/* Inner LI: Sicherstellen dass jeder Eintrag sichtbar mit Größe rendert */
.bkiai-has-megamenu.is-open .bkiai-megamenu-item,
#site-navigation .bkiai-has-megamenu.is-open li.bkiai-megamenu-item,
nav.main-navigation .bkiai-has-megamenu.is-open li.bkiai-megamenu-item,
.bkiai-mega-panel li.bkiai-megamenu-item {
    position: static !important;
    top: auto !important;
    left: auto !important;
    display: block !important;
    width: 100% !important;
    height: auto !important;
    min-height: 30px !important;
    visibility: visible !important;
    opacity: 1 !important;
    float: none !important;
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    list-style: none !important;
}

/* Optionale weiche Einblendung — robust mit transition statt animation,
   damit es beim Auf-/Zuklappen nie hängenbleiben kann. */
.bkiai-mega-panel {
    transition: opacity 0.18s ease-out;
}

/* Mega list — grid layout for columns */
.bkiai-mega-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: grid !important;
    grid-template-columns: repeat(var(--bkiai-mm-columns), minmax(260px, 340px));
    gap: 4px;
}

/* Sub-item LI — strip theme styles */
.bkiai-megamenu-item {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    float: none !important;
    width: auto !important;
    display: block !important;
    background: transparent !important;
}

/* Link inside mega item — high specificity to override theme styles */
.bkiai-megamenu-link,
#site-navigation .bkiai-megamenu-link,
nav.main-navigation .bkiai-megamenu-link,
.bkiai-mega-panel a.bkiai-megamenu-link {
    display: flex !important;
    align-items: flex-start;
    gap: 12px;
    padding: var(--bkiai-mm-item-padding) calc(var(--bkiai-mm-item-padding) + 2px) !important;
    border-radius: calc(var(--bkiai-mm-radius) - 4px);
    text-decoration: none !important;
    color: var(--bkiai-mm-text) !important;
    background: transparent !important;
    transition: background 0.15s ease, color 0.15s ease;
    white-space: normal !important; /* ueberschreibt Theme nowrap auf Menu-Links */
}

.bkiai-megamenu-link:hover,
.bkiai-megamenu-link:focus,
#site-navigation .bkiai-megamenu-link:hover,
nav.main-navigation .bkiai-megamenu-link:hover {
    background: var(--bkiai-mm-hover-bg) !important;
    color: var(--bkiai-mm-text) !important;
    text-decoration: none !important;
}

/* v0.4.2: Aktiv-State — wenn die aktuelle Seite einer der Submenue-Eintraege ist,
   bekommt dieser Eintrag den Hover-Hintergrund permanent. WordPress vergibt die
   Klasse 'current-menu-item' automatisch am <li>, ausserdem auch
   'current-menu-parent', 'current-page-ancestor' fuer Eltern-Items. */
.current-menu-item > .bkiai-megamenu-link,
.current-page-item > .bkiai-megamenu-link,
.current_page_item > .bkiai-megamenu-link,
.current-menu-parent > .bkiai-megamenu-link,
.current-page-ancestor > .bkiai-megamenu-link,
#site-navigation .current-menu-item > .bkiai-megamenu-link,
nav.main-navigation .current-menu-item > .bkiai-megamenu-link {
    background: var(--bkiai-mm-hover-bg) !important;
    color: var(--bkiai-mm-text) !important;
}

/* Icon */
.bkiai-megamenu-icon,
.bkiai-megamenu-icon-placeholder {
    flex-shrink: 0;
    width: calc(var(--bkiai-mm-icon-size) + 6px);
    height: calc(var(--bkiai-mm-icon-size) + 6px);
    font-size: var(--bkiai-mm-icon-size);
    line-height: calc(var(--bkiai-mm-icon-size) + 6px);
    text-align: center;
    color: var(--bkiai-mm-title);
    margin-top: 2px;
}

.bkiai-megamenu-icon-placeholder {
    /* Empty placeholder keeps alignment when no icon set */
}

/* Text wrapper */
.bkiai-megamenu-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0; /* allow text to shrink */
    flex: 1 1 auto; /* fill available space */
    white-space: normal !important; /* override theme nowrap */
    max-width: 100%;
}

.bkiai-megamenu-title {
    font-size: var(--bkiai-mm-title-size);
    font-weight: var(--bkiai-mm-title-weight);
    line-height: 1.3;
    color: var(--bkiai-mm-title);
    white-space: normal !important; /* in case theme adds nowrap to nested elements */
    word-break: break-word;
}

.bkiai-megamenu-description {
    font-size: var(--bkiai-mm-desc-size);
    font-weight: var(--bkiai-mm-desc-weight);
    line-height: 1.4;
    opacity: var(--bkiai-mm-desc-opacity);
    color: var(--bkiai-mm-text);
    /* 2-Zeilen-Clamp mit Wrapping garantiert */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal !important; /* ueberschreibt Theme-CSS wie .menu-item a {white-space: nowrap} */
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Mobile: always single column, expand inline.
   v0.4.5: Selektoren matchen die hochspezifischen Desktop-Regeln (siehe oben),
   damit die Mobile-Regel bei gleichem !important auch wirklich gewinnt. */
@media (max-width: 768px) {
    .bkiai-mega-panel,
    .bkiai-has-megamenu.is-open .bkiai-mega-panel {
        position: static !important;
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        box-shadow: none;
        margin-top: 0;
    }
    .bkiai-mega-list,
    .bkiai-has-megamenu.is-open .bkiai-mega-list,
    #site-navigation .bkiai-has-megamenu.is-open ul.bkiai-mega-list,
    nav.main-navigation .bkiai-has-megamenu.is-open ul.bkiai-mega-list,
    .bkiai-mega-panel > ul.bkiai-mega-list.sub-menu {
        grid-template-columns: 1fr !important;
        min-width: 0 !important;
    }
}

/* Translator-Integration ist ab v0.4.0 entfernt — der BKiAI Translator hat ab v0.10.0 eigene Design-Settings unter 'BKiAI Translator > Switcher-Design'. */