/* ============================================================
   xNetwork — shared-nav.css
   Navigation-Komponenten.

   Oeffentliche Seiten: keine Navbar.
   Dashboard: Sidebar-Navigation.
   Homepage: Tab-Navigation (Sonderfall, seitenspezifisch).
   ============================================================ */


/* ============================================================
   DASHBOARD SIDEBAR
   ============================================================ */

/* BEGIN SIDEBAR */
.sidebar {
    width:            240px;
    flex-shrink:      0;
    display:          flex;
    flex-direction:   column;
    background:       var(--surface);
    overflow-y:       auto;
    scrollbar-gutter: stable;
    padding:          0 0 var(--space-6) 0;
}

.sidebar-accent-line {
    width:       4px;
    flex-shrink: 0;
    background:  linear-gradient(
        to bottom,
        transparent              0%,
        rgba(232, 99, 122, 0.2)  8%,
        #e8637a                  30%,
        rgba(232, 99, 122, 0.55) 50%,
        #e8637a                  72%,
        rgba(232, 99, 122, 0.2)  90%,
        transparent              100%
    );
    box-shadow: -2px 0 16px rgba(232, 99, 122, 0.25), 2px 0 8px rgba(232, 99, 122, 0.1);
}
/* END SIDEBAR */

/* BEGIN SIDEBAR-BRAND */
.sidebar-brand {
    padding:       var(--space-5) var(--space-4);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-4);
    text-align:    center;
}

.sidebar-brand-title {
    font-size:   var(--text-2xl);
    font-weight: 700;
    line-height: 1;
}

.sidebar-brand-title-x {
    color: var(--accent);
}

.sidebar-brand-sub {
    font-size:   var(--text-xs);
    color:       var(--text-subtle);
    margin-top:  var(--space-1);
}
/* END SIDEBAR-BRAND */

/* BEGIN SIDEBAR-NAV */
.sidebar-nav {
    flex:    1;
    padding: 0 var(--space-3);
}

.sidebar-nav-label {
    font-size:      var(--text-2xs);
    font-weight:    600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:          var(--text-subtle);
    padding:        0 var(--space-3);
    margin-bottom:  var(--space-2);
    margin-top:     var(--space-4);
}

.sidebar-nav-label:first-child {
    margin-top: 0;
}
/* END SIDEBAR-NAV */

/* BEGIN SIDEBAR-LINK */
.sidebar-link {
    display:       flex;
    align-items:   center;
    gap:           var(--space-3);
    padding:       var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size:     var(--text-sm);
    color:         var(--text-secondary);
    transition:    background var(--transition-fast),
                   color var(--transition-fast);
    margin-bottom: 2px;
}

.sidebar-link:hover {
    background: var(--glass);
    color:      var(--text-primary);
}

.sidebar-link.is-active {
    background: var(--accent-soft);
    color:      var(--accent);
}

.sidebar-link-icon {
    width:       18px;
    height:      18px;
    flex-shrink: 0;
    opacity:     0.7;
}

.sidebar-link.is-active .sidebar-link-icon {
    opacity: 1;
}
/* END SIDEBAR-LINK */

/* BEGIN SIDEBAR-GROUP */
.sidebar-group {
    margin-bottom: 2px;
}

.sidebar-group-trigger {
    display:       flex;
    align-items:   center;
    gap:           var(--space-3);
    padding:       var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size:     var(--text-sm);
    color:         var(--text-muted);
    cursor:        pointer;
    user-select:   none;
    transition:    background var(--transition-fast),
                   color var(--transition-fast);
}

.sidebar-group-trigger:hover {
    background: var(--glass);
    color:      var(--text-secondary);
}

.sidebar-group.has-active > .sidebar-group-trigger {
    color: var(--text-secondary);
}

.sidebar-group-label {
    flex:      1;
    font-size: var(--text-sm);
}

.sidebar-group-chevron {
    width:       12px;
    height:      12px;
    flex-shrink: 0;
    opacity:     0.4;
    transition:  transform var(--transition-fast),
                 opacity var(--transition-fast);
}

.sidebar-group.is-open > .sidebar-group-trigger .sidebar-group-chevron {
    transform: rotate(90deg);
    opacity:   0.7;
}

.sidebar-group-content {
    display:      none;
    padding-left: var(--space-3);
    margin-top:   2px;
}

.sidebar-group.is-open > .sidebar-group-content {
    display: block;
}

.sidebar-link-child {
    font-size: var(--text-sm);
}
/* END SIDEBAR-GROUP */

/* BEGIN SIDEBAR-FOOTER */
.sidebar-footer {
    padding:    var(--space-4) var(--space-5) 0;
    border-top: 1px solid var(--border);
    margin-top: var(--space-4);
}

.sidebar-user-label {
    font-size:      var(--text-2xs);
    font-weight:    600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:          var(--text-muted);
    margin-bottom:  var(--space-1);
}

.sidebar-user-line {
    display:     flex;
    align-items: center;
    gap:         var(--space-2);
}

.sidebar-user-name {
    font-size:   var(--text-sm);
    color:       var(--text-primary);
    font-weight: 600;
}

.sidebar-user-sep {
    font-size: var(--text-xs);
    color:     var(--text-subtle);
}

.sidebar-user-role {
    font-size: var(--text-sm);
    color:     var(--text-muted);
}
/* END SIDEBAR-FOOTER */

/* BEGIN SIDEBAR-USER-BTN */
.sidebar-user-btn {
    display:        flex;
    flex-direction: column;
    align-items:    flex-start;
    padding:        var(--space-2) var(--space-3);
    border-radius:  var(--radius-sm);
    transition:     background var(--transition-fast);
    width:          100%;
}

.sidebar-user-btn:hover {
    background: var(--glass);
}

.sidebar-user-btn:hover .sidebar-user-name {
    color: var(--accent);
}
/* END SIDEBAR-USER-BTN */

/* BEGIN SIDEBAR-LOGOUT */
.sidebar-logout-btn {
    width:      100%;
    margin-top: var(--space-3);
}
/* END SIDEBAR-LOGOUT */


/* ============================================================
   DASHBOARD LAYOUT
   Wrapper fuer Sidebar + Content
   ============================================================ */

/* BEGIN DASHBOARD-LAYOUT */
.dashboard-layout {
    display: flex;
    height:  100vh;
}

.dashboard-content {
    flex:           1;
    min-width:      0;
    padding:        var(--space-10) var(--space-8) 0;
    overflow-y:     auto;
    display:        flex;
    flex-direction: column;
}

.dashboard-content .wrapper {
    flex: 1;
}

.dashboard-content > footer {
    margin-top: auto;
}

@media (max-width: 900px) {
    .sidebar {
        width: 200px;
    }

    .dashboard-content {
        padding: var(--space-8) var(--space-6);
    }
}

@media (max-width: 640px) {
    .dashboard-layout {
        flex-direction: column;
        height:         auto;
    }

    .sidebar {
        width:         100%;
        border-right:  none;
        border-bottom: 1px solid var(--border);
        padding:       var(--space-4) 0;
    }

    .dashboard-content {
        padding:    var(--space-6) var(--space-4);
        overflow-y: visible;
    }
}
/* END DASHBOARD-LAYOUT */


/* ============================================================
   BREADCRUMB
   ============================================================ */

/* BEGIN BREADCRUMB */
.breadcrumb {
    display:     flex;
    align-items: center;
    gap:         var(--space-2);
    font-size:   var(--text-sm);
    color:       var(--text-muted);
    margin-bottom: var(--space-6);
}

.breadcrumb-item {
    color:      var(--text-muted);
    transition: color var(--transition-fast);
}

.breadcrumb-item:hover {
    color: var(--text-secondary);
}

.breadcrumb-separator {
    color:      var(--text-subtle);
    font-size:  var(--text-xs);
}

.breadcrumb-item.is-current {
    color: var(--text-secondary);
}
/* END BREADCRUMB */


/* ============================================================
   TOP-BAR (Dashboard)
   Optionaler Header-Bereich im Dashboard-Content
   ============================================================ */

/* BEGIN TOPBAR */
.topbar {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    gap:             var(--space-4);
    margin-bottom:   var(--space-8);
    flex-wrap:       wrap;
}

.topbar-title {
    font-size:      var(--text-xl);
    font-weight:    700;
    letter-spacing: -0.02em;
}

.topbar-subtitle {
    font-size:   var(--text-sm);
    color:       var(--text-muted);
    margin-top:  var(--space-1);
}

.topbar-actions {
    display:     flex;
    align-items: center;
    gap:         var(--space-3);
    flex-wrap:   wrap;
}
/* END TOPBAR */