/* ================================================================
   KVU Photo Galerie — Modern Editorial Design v1.1.1
   ================================================================ */

#kvu-galerie-app {
    width: 100%;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

/* ── Zwei-Spalten-Wrapper ───────────────────────────────────────── */
.kvu-galerie-wrap {
    display: flex !important;
    flex-direction: row !important;
    gap: 0;
    align-items: flex-start;
    width: 100%;
    min-height: 400px;
}

/* ================================================================
   SIDEBAR — hell, maximale Lesbarkeit (Notion/Linear-Style)
   ================================================================ */
.kvu-galerie-sidebar {
    display: block !important;
    width: 290px !important;
    min-width: 290px !important;
    flex-shrink: 0 !important;
    background: #ffffff;
    border-right: 2px solid #e5e9ee;
    border-radius: 14px 0 0 14px;
    padding: 20px 0 28px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    position: sticky;
    top: 80px;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

.kvu-galerie-sidebar::-webkit-scrollbar { width: 4px; }
.kvu-galerie-sidebar::-webkit-scrollbar-track { background: transparent; }
.kvu-galerie-sidebar::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

/* "Alle Fotos" Button */
.kvu-galerie-sidebar-alle {
    display: flex !important;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    width: 100% !important;
    text-align: left;
    color: #111827;
    border-left: 5px solid transparent;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    box-sizing: border-box;
    margin-bottom: 4px;
}

.kvu-galerie-sidebar-alle:hover {
    background: #f1f5f9;
}

.kvu-galerie-sidebar-alle.active {
    color: #1d4ed8;
    border-left-color: #2563eb;
    background: #eff6ff;
}

.kvu-galerie-sidebar-alle:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: -2px;
}

/* Trennlinie */
.kvu-galerie-sidebar-divider {
    height: 1px;
    background: #e5e9ee;
    margin: 4px 18px 8px;
}

/* Jahres-Gruppe */
.kvu-galerie-sidebar-group {
    display: block !important;
    margin-bottom: 2px;
}

/* Jahr-Label */
.kvu-galerie-sidebar-year {
    display: flex !important;
    align-items: center;
    gap: 6px;
    padding: 14px 18px 6px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #6b7280;
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    width: 100%;
    text-align: left;
    transition: color 0.15s;
    box-sizing: border-box;
}

.kvu-galerie-sidebar-year:hover { color: #374151; }

.kvu-galerie-sidebar-year-arrow {
    margin-left: auto;
    font-size: 10px;
    transition: transform 0.2s;
}

.kvu-galerie-sidebar-year.collapsed .kvu-galerie-sidebar-year-arrow {
    transform: rotate(-90deg);
}

/* Event-Liste */
.kvu-galerie-sidebar-items { display: block !important; }
.kvu-galerie-sidebar-items.collapsed { display: none !important; }

/* Einzelner Event-Button */
.kvu-galerie-sidebar-item {
    display: flex !important;
    align-items: center;
    gap: 10px;
    padding: 12px 18px 12px 26px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    width: 100% !important;
    text-align: left;
    border-left: 5px solid transparent;
    color: #374151;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    line-height: 1.3;
    box-sizing: border-box;
}

.kvu-galerie-sidebar-item:hover {
    color: #111827;
    background: #f1f5f9;
}

.kvu-galerie-sidebar-item.active {
    color: #1d4ed8;
    border-left-color: #2563eb;
    background: #eff6ff;
    font-weight: 700;
}

.kvu-galerie-sidebar-item:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: -2px;
}

.kvu-galerie-sidebar-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Foto-Anzahl Badge */
.kvu-galerie-sidebar-count {
    margin-left: auto;
    font-size: 13px;
    font-weight: 700;
    color: #6b7280;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
    background: #e5e9ee;
    padding: 3px 9px;
    border-radius: 12px;
    min-width: 32px;
    text-align: center;
}

.kvu-galerie-sidebar-item.active .kvu-galerie-sidebar-count {
    color: #1d4ed8;
    background: #dbeafe;
}

.kvu-galerie-sidebar-alle.active .kvu-galerie-sidebar-count {
    color: #1d4ed8;
    background: #dbeafe;
}

/* ================================================================
   MAIN (Photo-Grid-Bereich)
   ================================================================ */
.kvu-galerie-main {
    flex: 1 1 0% !important;
    min-width: 0;
    background: #f8fafc;
    border-radius: 0 14px 14px 0;
    padding: 22px;
    box-sizing: border-box;
    border: 2px solid #e5e9ee;
    border-left: none;
}

/* ── Aktiver Titel ── */
.kvu-galerie-active-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #94a3b8;
    margin: 0 0 16px;
}

/* ── Masonry Grid ── */
.kvu-galerie-grid {
    columns: 4;
    column-gap: 8px;
}

@media (max-width: 1100px) { .kvu-galerie-grid { columns: 3; } }
@media (max-width: 750px)  { .kvu-galerie-grid { columns: 2; } }

/* ── Foto-Kachel ── */
.kvu-galerie-foto {
    position: relative;
    cursor: pointer;
    border-radius: 6px;
    margin-bottom: 8px;
    break-inside: avoid;
    display: block;
    background: #dde3e9;
    overflow: hidden;
}

.kvu-galerie-foto-caption {
    font-size: 11px;
    color: #64748b;
    padding: 4px 6px 2px;
    font-style: italic;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: #fff;
    border-radius: 0 0 6px 6px;
}

.kvu-galerie-foto img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 6px;
}

.kvu-galerie-foto:hover img { transform: scale(1.06); }

/* Hover-Overlay */
.kvu-galerie-foto-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.68) 0%,
        rgba(0,0,0,0.22) 45%,
        transparent 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 12px 10px 10px;
    opacity: 0;
    transition: opacity 0.25s ease;
    border-radius: 6px;
}

.kvu-galerie-foto:hover .kvu-galerie-foto-overlay { opacity: 1; }

.kvu-galerie-foto-event {
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================================================================
   LIGHTBOX
   ================================================================ */
.kvu-galerie-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 15, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    flex-direction: column;
    gap: 16px;
}

.kvu-galerie-lightbox img {
    max-width: 88vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 6px;
    display: block;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

.kvu-galerie-lightbox-name {
    color: #94a3b8;
    font-size: 13px;
    letter-spacing: 0.03em;
    margin: 0;
    text-align: center;
    max-width: 80vw;
}

.kvu-galerie-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    color: #e2e8f0;
    font-size: 26px;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.15s, border-color 0.15s;
    line-height: 1;
    padding: 0;
    font-family: inherit;
}

.kvu-galerie-lightbox-nav:hover {
    background: rgba(245,158,11,0.25);
    border-color: #f59e0b;
    color: #fff;
}

.kvu-galerie-lightbox-nav:focus-visible { outline: 2px solid #f59e0b; outline-offset: 2px; }
.kvu-galerie-lightbox-nav.prev { left: 24px; }
.kvu-galerie-lightbox-nav.next { right: 24px; }

.kvu-galerie-lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    color: #e2e8f0;
    font-size: 20px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s;
    line-height: 1;
    font-family: inherit;
}

.kvu-galerie-lightbox-close:hover {
    background: rgba(239,68,68,0.3);
    border-color: #ef4444;
    color: #fff;
}

.kvu-galerie-lightbox-close:focus-visible { outline: 2px solid #f59e0b; outline-offset: 2px; }

.kvu-galerie-lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #475569;
    font-size: 12px;
    letter-spacing: 0.06em;
    font-variant-numeric: tabular-nums;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 680px) {
    .kvu-galerie-wrap { flex-direction: column !important; }
    .kvu-galerie-sidebar {
        width: 100% !important;
        min-width: 0 !important;
        max-height: 240px;
        border-radius: 14px 14px 0 0;
        position: static;
    }
    .kvu-galerie-main {
        border-radius: 0 0 14px 14px;
        padding: 14px;
    }
}

/* ── Fehlermeldung ── */
.kvu-galerie-error {
    padding: 40px 0;
    color: #64748b;
    font-size: 14px;
    text-align: center;
}