/**
 * Widget Sidebar CSS
 * 
 * Diese Datei definiert alle Sidebar-Widgets der Website.
 * Nutzt CSS Custom Properties aus colors.css und fonts.css
 * 
 * Author: Fabian Rossbacher
 * LinkedIn: https://www.linkedin.com/in/fabian-rossbacher/
 */

/* Sidebar-Navigation */
.widget-sidebar-navigation {
    background: var(--color-background-secondary);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 4px var(--color-shadow-light);
}

.widget-sidebar-navigation h3 {
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin: 0 0 15px 0;
    padding: 0;
    text-transform: var(--text-transform-uppercase);
    letter-spacing: var(--letter-spacing-wide);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 8px;
}

/* Sidebar-Listen */
.widget-sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget-sidebar-list li {
    margin: 0;
    padding: 0;
}

.widget-sidebar-list li a {
    display: block;
    padding: 10px 15px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-medium);
    line-height: var(--line-height-normal);
    transition: all 0.3s ease;
    border-radius: 4px;
    margin: 2px 0;
    position: relative;
}

.widget-sidebar-list li a:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
    padding-left: 20px;
    box-shadow: 0 2px 4px rgba(var(--color-primary-rgb), 0.15);
}

.widget-sidebar-list li a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Aktive Sidebar-Links */
.widget-sidebar-list li a.widget-link-active {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
    padding-left: 15px;
}

.widget-sidebar-list li a.widget-link-active:hover {
    background: var(--color-primary-hover);
    color: var(--color-white);
    padding-left: 15px;
}

.widget-sidebar-list li a.widget-link-active::before {
    content: "▶";
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-small);
    color: var(--color-white);
}

/* Sidebar-Sektionen */
.widget-sidebar-section {
    margin: 20px 0;
    padding: 15px;
    background: var(--color-background-tertiary);
    border-radius: 6px;
    border-left: 4px solid var(--color-primary);
}

.widget-sidebar-section h4 {
    font-size: var(--font-size-medium);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 10px 0;
    padding: 0;
}

/* ==========================================================================
   Wiki Sidebar Navigation (Aufklappbar)
   ========================================================================== */

.wiki-sidebar-nav {
    background: var(--color-background-primary);
    padding: 0;
    margin: 0;
    position: relative;
}

.wiki-sidebar-nav ul {
    list-style: none;
    padding: 0;
}

.wiki-sidebar-nav li {
    list-style: none;
}

.wiki-sidebar-title {
    font-size: 1rem; /* noch etwas kleiner für kompakteren Header */
    font-weight: 700;
    background: var(--color-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0 0 1rem 0; /* kompakter */
    padding-bottom: 0.5rem;
    border-bottom: 3px solid;
    border-image: linear-gradient(90deg, var(--color-primary), var(--color-secondary)) 1;
}

.wiki-sidebar-chapters {
    list-style: none;
    padding: 0;
    margin: 0;
}

.wiki-sidebar-chapter {
    list-style: none;
    margin: 0 0 0.25rem 0; /* einheitlicher, kompakter Abstand zwischen Kapiteln */
    padding: 0;
}

.wiki-sidebar-chapter-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    background: var(--color-background-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    user-select: none;
    border: 1px solid var(--color-border-light);
}

.wiki-sidebar-chapter-toggle:hover {
    background: var(--color-hover-background);
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.12);
}

.wiki-sidebar-chapter-toggle.active {
    background: var(--color-primary);
    color: #ffffff;
    font-weight: 600;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.22);
}

.wiki-sidebar-chapter-icon {
    font-size: var(--font-size-xs);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.wiki-sidebar-chapter-title {
    font-size: var(--font-size-medium);
    font-weight: var(--font-weight-semibold);
    flex: 1;
}

.wiki-sidebar-chapter-toggle.active .wiki-sidebar-chapter-title {
    color: var(--color-white);
}

.wiki-sidebar-subitems {
    list-style: none;
    padding: 0 0 0 0.65rem; /* Nur horizontale Einrückung */
    margin: 0 !important;   /* Kein vertikaler Abstand */
    display: none;
    counter-reset: lvl1;
}

.wiki-sidebar-subitems-level2 {
    list-style: none;
    padding: 0 0 0 0.5rem;  /* Nur horizontale Einrückung */
    margin: 0 !important;   /* Kein vertikaler Abstand */
    counter-reset: lvl2;
}

.wiki-sidebar-subitems-level3 {
    list-style: none;
    padding: 0 0 0 0.5rem;  /* Nur horizontale Einrückung */
    margin: 0 !important;   /* Kein vertikaler Abstand */
    counter-reset: lvl3;
}

.wiki-sidebar-subitems-level4 {
    list-style: none;
    padding: 0 0 0 0.5rem;
    margin: 0 !important;
}

.has-children {
    list-style: none;
}

.leaf {
    list-style: none;
}

/* VEREINFACHTE SPACING-REGELN: Alle vertikalen Abstände werden ausschließlich über Link-Padding gesteuert */

/* Alle li-Elemente haben kein Margin/Padding (nur horizontale Einrückung über padding-left) */
.wiki-sidebar-subitems > li,
.wiki-sidebar-subitems-level2 > li,
.wiki-sidebar-subitems-level3 > li {
    list-style: none;
    margin: 0 !important;
    padding: 0 !important;
    position: relative;
    padding-left: 1.5rem !important;  /* Nur horizontale Einrückung für Nummerierung */
}

/* Einheitliches Link-Padding für alle Ebenen - dies ist der EINZIGE vertikale Abstand */
.wiki-sidebar-subitems > li > a,
.wiki-sidebar-subitems-level2 > li > a,
.wiki-sidebar-subitems-level3 > li > a {
    margin: 0 !important;
    padding: 0.25rem 0.55rem !important;  /* Einheitliches vertikales Padding für alle Links */
    line-height: 1.2;
}

/* Counter für Nummerierung (::before Pseudo-Elemente) */
.wiki-sidebar-subitems > li::before {
    counter-increment: lvl1;
    content: counter(lvl1) ".";
    position: absolute;
    left: 0;
    top: 0.35rem;  /* Angepasst an neues Link-Padding */
    color: var(--color-secondary);
    font-weight: 700;
}

.wiki-sidebar-subitems-level2 > li::before {
    counter-increment: lvl2;
    content: counter(lvl1) "." counter(lvl2) ".";
    position: absolute;
    left: 0;
    top: 0.35rem;  /* Angepasst an neues Link-Padding */
    color: var(--color-primary);
    font-weight: 600;
}

.wiki-sidebar-subitems-level3 > li::before {
    counter-increment: lvl3;
    content: counter(lvl1) "." counter(lvl2) "." counter(lvl3) ".";
    position: absolute;
    left: 0;
    top: 0.35rem;  /* Angepasst an neues Link-Padding */
    color: #6b7280;
    font-weight: 600;
}

.wiki-sidebar-link {
    display: block;
    /* Padding wird über spezifischere Regeln gesetzt (Zeile 250-256) */
    color: #718096;
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
    position: relative;
}

.wiki-sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.2), transparent);
    transition: width 0.3s ease;
    border-radius: 6px 0 0 6px;
    z-index: -1;
}

.wiki-sidebar-link:hover::before {
    width: 100%;
}

.wiki-sidebar-link:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    transform: translateX(2px);
    box-shadow: 0 6px 14px -8px rgba(var(--color-primary-rgb), 0.24);
}

.wiki-sidebar-link.active {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 700;
    border-left-color: var(--color-primary);
    box-shadow: inset 0 0 0 1px rgba(var(--color-primary-rgb), 0.15);
}
.wiki-sidebar-link.active::before { width: 100%; }

/* Farbunterscheidung: Knoten mit Kindern vs. Blätter (alle Ebenen) */
.wiki-sidebar-subitems > li.has-children > a,
.wiki-sidebar-subitems-level2 > li.has-children > a,
.wiki-sidebar-subitems-level3 > li.has-children > a {
    color: #475569 !important;            /* dunkler für Knoten mit Kindern */
    font-weight: 600 !important;
}

.wiki-sidebar-subitems > li.leaf > a,
.wiki-sidebar-subitems-level2 > li.leaf > a,
.wiki-sidebar-subitems-level3 > li.leaf > a {
    color: #718096 !important;            /* Standardfarbe für Blätter */
    font-weight: 500 !important;
}

.wiki-sidebar-subitems > li.has-children > a:hover,
.wiki-sidebar-subitems-level2 > li.has-children > a:hover,
.wiki-sidebar-subitems-level3 > li.has-children > a:hover { 
    color: var(--color-primary-hover) !important; 
}

/* Progressive Enhancement (moderne Browser): gleiche Regeln mit :has für alle Ebenen */
.wiki-sidebar-subitems > li > a:has(+ .wiki-sidebar-subitems-level2),
.wiki-sidebar-subitems-level2 > li > a:has(+ .wiki-sidebar-subitems-level3) { 
    color: #475569; 
    font-weight: 600; 
}

.wiki-sidebar-subitems > li > a:not(:has(+ .wiki-sidebar-subitems-level2)),
.wiki-sidebar-subitems-level2 > li > a:not(:has(+ .wiki-sidebar-subitems-level3)),
.wiki-sidebar-subitems-level3 > li > a { 
    color: #718096; 
    font-weight: 500; 
}

.wiki-sidebar-subitems > li > a:has(+ .wiki-sidebar-subitems-level2):hover,
.wiki-sidebar-subitems-level2 > li > a:has(+ .wiki-sidebar-subitems-level3):hover { 
    color: var(--color-primary-hover); 
}

.wiki-sidebar-link.active:hover {
    background: var(--color-hover-background);
}

/* Bullet-Styles in der kompletten Sidebar entfernen (keine runden Punkte) */
.wiki-sidebar-nav ul li::before,
.wiki-sidebar-subitems li::before,
.wiki-sidebar-subitems-level2 li::before,
.wiki-sidebar-subitems-level3 li::before {
    content: none !important;
}

/* Unterpunkte anzeigen, wenn das Kapitel aktiv ist */
.wiki-sidebar-chapter-toggle.active + .wiki-sidebar-subitems {
    display: block;
}

/* Dreiecks-Indikator nur auf Hauptebene: Der Toggle trägt bereits das Icon */

/* Level-2/3 erhalten kein zusätzliches Dreieck; nur die Hauptkapitel zeigen das Toggle-Icon */

/* Responsive Design */
@media (max-width: 768px) {
    .widget-sidebar-navigation {
        padding: 15px;
        margin: 15px 0;
    }
    
    .widget-sidebar-navigation h3 {
        font-size: var(--font-size-medium);
        margin: 0 0 12px 0;
    }
    
    .widget-sidebar-list li a {
        padding: 8px 12px;
        font-size: var(--font-size-small);
    }
    
    .widget-sidebar-section {
        margin: 15px 0;
        padding: 12px;
    }
}

@media (max-width: 576px) {
    .widget-sidebar-navigation {
        padding: 12px;
        margin: 12px 0;
    }
    
    .widget-sidebar-navigation h3 {
        font-size: var(--font-size-small);
        margin: 0 0 10px 0;
    }
    
    .widget-sidebar-list li a {
        padding: 6px 10px;
        font-size: var(--font-size-xs);
    }
    
    .widget-sidebar-section {
        margin: 12px 0;
        padding: 10px;
    }
}

/* Sidebar-Navigation-Includes (sidebar-navigation_*.html), Klassen fuer UITestCase-CSS-Check */
.sidebar-content {
    margin: 0;
    padding: 0;
}

.sidebar-item {
    list-style: none;
}

.sidebar-subitem {
    margin: 0;
    padding: 0;
}

.sidebar-subsubitem {
    margin: 0;
    padding: 0;
}

/* Änderungsprotokoll: 2026-07-06 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Desktop: keine Sidebar-Scrollbar; Mobile-Overlay: scrollen erlauben */
/* Desktop: Linke Navigation ohne eigene Scrollbar (Seite scrollt) */
@media (min-width: 1281px) {
    .layout-sidebar,
    .wiki-sidebar-nav {
        max-height: none !important;
        overflow: visible !important;
        overflow-x: visible !important;
        overflow-y: visible !important;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .layout-sidebar::-webkit-scrollbar,
    .wiki-sidebar-nav::-webkit-scrollbar {
        display: none;
        width: 0;
        height: 0;
    }
}

/* Mobile/Tablet-Overlay: Sidebar bei langem Menü vertikal scrollbar */
@media (max-width: 1280px) {
    .layout-sidebar {
        max-height: 100vh !important;
        overflow-x: hidden !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        scrollbar-width: thin;
        scrollbar-color: var(--color-border) transparent;
    }

    .layout-sidebar::-webkit-scrollbar {
        display: block;
        width: 5px;
    }

    .layout-sidebar::-webkit-scrollbar-thumb {
        background: var(--color-border);
        border-radius: 4px;
    }
}