/**
 * 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: var(--color-primary-light);
    color: var(--color-primary);
    padding-left: 20px;
    box-shadow: 0 2px 4px var(--color-primary-glow);
}

.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)
   ========================================================================== */

/* Änderungsprotokoll: 2026-07-04 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Sidebar-Nav kompakter, Baumlinien, bessere Lesbarkeit */
.wiki-sidebar-nav {
    background: transparent;
    padding: 0;
    margin: 0;
    position: relative;
}

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

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

/* Änderungsprotokoll: 2026-07-04 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Sidebar-Titel Marineblau statt Orange */
.wiki-sidebar-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin: 0 0 0.85rem 0;
    padding-bottom: 0.55rem;
    border-bottom: 2px solid var(--color-primary);
}

.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; /* enger */
    padding: 0.6rem 0.9rem; /* kompakter */
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.wiki-sidebar-chapter-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, var(--color-primary-light) 50%, transparent 100%);
    transform: translateX(-120%);
    transition: transform 0.6s ease;
}

.wiki-sidebar-chapter-toggle:hover::before {
    transform: translateX(120%);
}

.wiki-sidebar-chapter-toggle:hover {
    background: linear-gradient(135deg, var(--color-background-secondary) 0%, var(--color-background-primary) 100%);
    border-color: var(--color-primary);
    transform: translateX(2px);
    box-shadow: 0 6px 14px -6px var(--color-shadow-colored);
}

/* Änderungsprotokoll: 2026-07-04 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Aktiver Kapitel-Toggle Marineblau */
.wiki-sidebar-chapter-toggle.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    font-weight: 600;
    border-color: var(--color-primary);
    box-shadow: 0 10px 18px -8px var(--color-shadow-colored);
}

.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-small);
    font-weight: var(--font-weight-semibold);
    flex: 1;
}

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

/* Änderungsprotokoll: 2026-07-04 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Sidebar-Einrückung wie wiki-radrennen */
.wiki-sidebar-subitems {
    list-style: none;
    padding: 0;
    padding-left: 1rem;
    margin: 0;
    margin-left: 1.5rem;
    margin-top: 0.5rem;
    display: none;
    border-left: 2px solid var(--color-border);
}

.wiki-sidebar-subitems-level2 {
    list-style: none;
    padding: 0;
    padding-left: 0.75rem;
    margin: 0;
    margin-left: 1rem;
    margin-top: 0.3rem;
    border-left: 2px solid var(--color-border-light);
}

.wiki-sidebar-subitems-level3 {
    list-style: none;
    padding: 0;
    padding-left: 0.5rem;
    margin: 0;
    margin-left: 0.75rem;
    margin-top: 0.3rem;
    border-left: 2px solid var(--color-border-subtle);
}

.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 */

/* Änderungsprotokoll: 2026-07-04 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Keine Nummern neben Unterpunkt-Links, nur Kapitel-Ebene */
.wiki-sidebar-subitems > li,
.wiki-sidebar-subitems-level2 > li,
.wiki-sidebar-subitems-level3 > li {
    list-style: none;
    margin: 0 !important;
    padding: 0 !important;
    display: block;
}

/* 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: 0.35rem 0.5rem !important;
    line-height: 1.35;
    min-width: 0;
}

.wiki-sidebar-link {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    color: #718096;
    text-decoration: none;
    font-size: 0.8125rem;
    border-radius: 6px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: none;
    position: relative;
    word-break: break-word;
    overflow-wrap: anywhere;
}

/* Keine Nummern-Prefixe bei Unterpunkt-Links – Nummerierung nur in Kapitel-Titeln (z. B. „1. Grundlagen …“) */
.wiki-sidebar-subitems > li > .wiki-sidebar-link::before,
.wiki-sidebar-subitems-level2 > li > .wiki-sidebar-link::before,
.wiki-sidebar-subitems-level3 > li > .wiki-sidebar-link::before {
    content: none;
    display: none;
}

/* Hover-Hintergrund auf ::after */
.wiki-sidebar-link::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-light), transparent);
    transition: width 0.3s ease;
    border-radius: 6px 0 0 6px;
    z-index: -1;
}

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

.wiki-sidebar-link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    transform: translateX(2px);
    box-shadow: 0 6px 14px -8px var(--color-shadow-colored);
}

/* Änderungsprotokoll: 2026-07-04 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Aktiver Sidebar-Link Marineblau */
.wiki-sidebar-link.active {
    background: linear-gradient(90deg, var(--color-primary-light), rgba(0, 51, 102, 0.04));
    color: var(--color-primary) !important;
    font-weight: 700;
    box-shadow: inset 0 0 0 1px var(--color-border-accent), 0 10px 18px -12px var(--color-shadow-colored);
}

.wiki-sidebar-link.active::after {
    width: 100%;
    background: linear-gradient(90deg, var(--color-primary-light), transparent);
}

.wiki-sidebar-link.active:hover {
    background: linear-gradient(90deg, rgba(0, 51, 102, 0.14), rgba(0, 51, 102, 0.05));
    color: var(--color-primary-dark) !important;
}

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

/* Eltern-Link hervorheben, wenn Unterseite aktiv ist */
.wiki-sidebar-link.parent-active {
    color: var(--color-primary-dark) !important;
    font-weight: 600 !important;
    background: var(--color-primary-light);
}

.wiki-sidebar-subitems > li.has-children > a.wiki-sidebar-link.parent-active,
.wiki-sidebar-subitems-level2 > li.has-children > a.wiki-sidebar-link.parent-active {
    color: var(--color-primary-dark) !important;
}

/* 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) !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); 
}

/* Keine Listenmarker in der Sidebar-Navigation */
.wiki-sidebar-nav ul,
.wiki-sidebar-nav li,
.wiki-sidebar-chapters,
.wiki-sidebar-chapter,
.wiki-sidebar-subitems,
.wiki-sidebar-subitems-level2,
.wiki-sidebar-subitems-level3,
.wiki-sidebar-subitems-level4 {
    list-style: none;
    list-style-type: none;
}

.wiki-sidebar-nav li::marker,
.wiki-sidebar-subitems li::marker,
.wiki-sidebar-subitems-level2 li::marker,
.wiki-sidebar-subitems-level3 li::marker,
.wiki-sidebar-subitems-level4 li::marker {
    content: none;
}

/* 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;
    }

    .wiki-sidebar-subitems {
        margin-left: 1rem;
        padding-left: 0.75rem;
    }
}

@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;
}

/* Navigation innerhalb des Panels: kein eigener Scroll-Container (Desktop) */
.wiki-sidebar-nav {
    overflow: visible;
}

/* Änderungsprotokoll: 2026-07-05 | Cursor Agent | @skill-css-rules, @skill-change-provenance | Mobile-Overlay: Sidebar 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;
    }
}