/* ==========================================================
   MayGlass References — Erweiterte Galerie
   ==========================================================
   Diese Datei wird von der Komponente ReferencesGallery
   automatisch eingebunden (via addCss()).
   Verwendet die Design-Tokens aus dem Theme app.css.
   ========================================================== */

.referenzen-section {
    padding: clamp(3rem, 7vw, 6rem) 0;
    background: var(--paper, #fff);
    color: var(--ink, #1a2614);
    font-family: var(--font-body, "Plus Jakarta Sans", system-ui, sans-serif);
}

.referenzen-section .section-title {
    font-family: var(--font-display, "Cormorant Garamond", Georgia, serif);
    font-weight: 500;
    font-size: clamp(1.7rem, 3.4vw, 2.5rem);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-strong, #14200d);
    text-align: center;
    margin: 0 0 .75rem;
}
.referenzen-section .section-subtitle {
    text-align: center;
    color: var(--muted, #6b7560);
    margin: 0 auto 2.5rem;
    max-width: 56ch;
    font-size: 1rem;
}

/* --- Category Filter (sticky-fähig, horizontal scrollbar) ----- */
.category-filter-wrapper {
    position: relative;
    margin-bottom: 2rem;
}
.category-filter {
    display: flex;
    gap: .5rem;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border, #dde2cc) transparent;
    padding: .25rem 1rem .75rem;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
}
.category-filter::-webkit-scrollbar { height: 6px; }
.category-filter::-webkit-scrollbar-track { background: transparent; }
.category-filter::-webkit-scrollbar-thumb { background: var(--border, #dde2cc); border-radius: 3px; }

.filter-btn {
    flex: 0 0 auto;
    scroll-snap-align: start;
    background: var(--soft, #f4f6ec);
    border: 1px solid var(--border, #dde2cc);
    color: var(--ink-strong, #14200d);
    padding: .55rem 1rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    white-space: nowrap;
}
.filter-btn:hover {
    background: var(--green-50, #ebf0d8);
    border-color: var(--green, #2c5210);
}
.filter-btn.active {
    background: var(--green, #2c5210);
    color: #fff;
    border-color: var(--green, #2c5210);
}
.filter-btn .count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .08);
    color: inherit;
    font-size: .72rem;
    padding: .1rem .5rem;
    border-radius: 999px;
    min-width: 1.5rem;
    line-height: 1.2;
}
.filter-btn.active .count {
    background: rgba(255, 255, 255, .25);
    color: #fff;
}

/* Scroll-Indikator (Fade-Out rechts) */
.scroll-indicator {
    position: absolute;
    right: 0;
    top: 0;
    bottom: .75rem;
    width: 60px;
    pointer-events: none;
    background: linear-gradient(90deg, transparent, var(--paper, #fff));
    transition: opacity .2s;
}
.scroll-indicator.hidden { opacity: 0; }

/* --- Haupt-Wrapper (Desktop: 2 Spalten, Mobile: 1 Spalte) --- */
.referenzen-wrapper {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
}

/* --- Main Display (großes Bild + Overlay) -------------------- */
.main-display {
    position: relative;
    aspect-ratio: 16 / 11;
    background: var(--green-50, #ebf0d8);
    border-radius: var(--radius, 20px);
    overflow: hidden;
    cursor: zoom-in;
    box-shadow: 0 18px 40px rgba(20, 40, 10, .08);
}

.main-image-container {
    position: absolute;
    inset: 0;
}
.main-image {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .35s ease;
    pointer-events: none;
}
.main-image.active {
    opacity: 1;
    pointer-events: auto;
}
.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Bildanzahl-Badge */
.image-count-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(20, 30, 15, .55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    padding: .35rem .75rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    pointer-events: none;
}

/* Mobile Navigation auf dem Bild */
.mobile-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(20, 30, 15, .55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: none;
    color: #fff;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.mobile-nav svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}
.mobile-nav.prev { left: .75rem; }
.mobile-nav.next { right: .75rem; }
.mobile-nav:active { transform: translateY(-50%) scale(.95); }

/* Projekt-Info-Overlay (Desktop) */
.project-info {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: clamp(1.25rem, 3vw, 2rem);
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, .25) 25%, rgba(0, 0, 0, .85) 100%);
    color: #fff;
    z-index: 2;
    pointer-events: none;
}
.project-category {
    font-family: inherit;
    font-size: .72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--leaf, #a8d989);
    display: inline-block;
    margin-bottom: .35rem;
}
.project-title {
    font-family: var(--font-display, "Cormorant Garamond", Georgia, serif);
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.1;
    margin: 0 0 .5rem;
    color: #fff;
}
.project-location {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .9rem;
    color: rgba(255, 255, 255, .9);
    margin: 0 0 1rem;
}
.project-location svg {
    width: 16px;
    height: 16px;
    fill: var(--leaf, #a8d989);
}

.project-description-overlay {
    color: rgba(255, 255, 255, .9);
    font-size: .95rem;
    line-height: 1.5;
    max-width: 50ch;
    margin: 0 0 1.25rem;
}
.project-details-overlay {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}
.project-details-overlay .detail-item {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}
.detail-label {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, .7);
    margin: 0;
    font-weight: 500;
}
.detail-value {
    font-family: var(--font-display, "Cormorant Garamond", Georgia, serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: #fff;
    margin: 0;
}

/* Mobile Dots (zwischen Hauptbild und Details-Karte) */
.mobile-dots {
    display: none;
    justify-content: center;
    gap: .4rem;
    padding: 1rem 0;
    margin-top: -.5rem;
}
.mobile-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border, #dde2cc);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background .2s, transform .2s;
}
.mobile-dot.active {
    background: var(--green, #2c5210);
    transform: scale(1.4);
}

/* Mobile: Projekt-Details-Karte (unter dem Bild) */
.project-details-card {
    display: none;
    background: var(--green-50, #ebf0d8);
    border-radius: var(--radius, 20px);
    padding: 1.25rem;
    margin-top: 1rem;
}
.project-details-card .project-description {
    color: var(--ink, #1a2614);
    font-size: .95rem;
    line-height: 1.5;
    margin: 0 0 1rem;
}
.project-details-card .project-details {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.project-details-card .detail-label {
    color: var(--muted, #6b7560);
}
.project-details-card .detail-value {
    color: var(--green, #2c5210);
}

/* --- Thumbnail Navigation (rechte Spalte) ------------------- */
.thumbnail-nav {
    background: var(--paper, #fff);
    border: 1px solid var(--border, #dde2cc);
    border-radius: var(--radius, 20px);
    padding: 1.25rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.thumbnail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.thumbnail-title {
    font-family: inherit;
    font-weight: 600;
    font-size: .78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-strong, #14200d);
}
.thumbnail-counter {
    font-size: .85rem;
    color: var(--muted, #6b7560);
    font-variant-numeric: tabular-nums;
}
.thumbnail-counter .current {
    font-family: var(--font-display, "Cormorant Garamond", Georgia, serif);
    font-size: 1.2rem;
    color: var(--green, #2c5210);
    font-weight: 500;
}

.slider-progress-bar {
    width: 100%;
    height: 3px;
    background: var(--border, #dde2cc);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1.25rem;
}
.progress-fill {
    height: 100%;
    background: var(--green, #2c5210);
    border-radius: 2px;
    transition: width .35s ease;
}

.thumbnail-list {
    display: flex;
    flex-direction: column;
    gap: .55rem;
    overflow-y: auto;
    max-height: 420px;
    margin: 0 -.5rem;
    padding: 0 .5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border, #dde2cc) transparent;
}
.thumbnail-list::-webkit-scrollbar { width: 6px; }
.thumbnail-list::-webkit-scrollbar-track { background: transparent; }
.thumbnail-list::-webkit-scrollbar-thumb { background: var(--border, #dde2cc); border-radius: 3px; }

.thumbnail-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: .85rem;
    padding: .5rem;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
    align-items: center;
    transition: background .2s, border-color .2s, transform .12s;
}
.thumbnail-item:hover {
    background: var(--soft, #f4f6ec);
    border-color: var(--border, #dde2cc);
}
.thumbnail-item.active {
    background: var(--green-50, #ebf0d8);
    border-color: var(--green, #2c5210);
}
.thumbnail-image {
    aspect-ratio: 4 / 3;
    border-radius: 8px;
    overflow: hidden;
    background: var(--soft, #f4f6ec);
}
.thumbnail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.thumbnail-content {
    min-width: 0;
}
.thumbnail-name {
    font-family: inherit;
    font-weight: 600;
    font-size: .9rem;
    color: var(--ink-strong, #14200d);
    margin: 0 0 .15rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.thumbnail-cat {
    font-size: .75rem;
    color: var(--muted, #6b7560);
    margin: 0;
}

/* Empty State (wenn keine Projekte in der Kategorie) */
.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--muted, #6b7560);
    padding: 2.5rem 1rem;
    gap: .75rem;
}
.empty-state.visible {
    display: flex;
}
.empty-state svg {
    width: 40px;
    height: 40px;
    fill: var(--border, #dde2cc);
}
.empty-state p {
    margin: 0;
    font-size: .9rem;
}

/* Controls (Zurück/Weiter unter der Thumbnail-Liste) */
.thumbnail-controls {
    display: flex;
    gap: .5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border, #dde2cc);
}
.nav-btn {
    flex: 1;
    background: var(--soft, #f4f6ec);
    border: 1px solid var(--border, #dde2cc);
    color: var(--ink-strong, #14200d);
    padding: .55rem 1rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    transition: background .2s, color .2s;
}
.nav-btn:hover {
    background: var(--green, #2c5210);
    color: #fff;
    border-color: var(--green, #2c5210);
}
.nav-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* ============================================================
   Lightbox
   ============================================================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15, 20, 10, .92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
.lightbox.open {
    opacity: 1;
    visibility: visible;
}

.lightbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem clamp(1rem, 4vw, 2rem);
    color: #fff;
    flex: 0 0 auto;
}
.lightbox-title {
    font-family: var(--font-display, "Cormorant Garamond", Georgia, serif);
    font-weight: 500;
    font-size: clamp(1.1rem, 2.4vw, 1.5rem);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
    color: #fff;
}
.lightbox-header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.lightbox-counter {
    font-size: .85rem;
    color: rgba(255, 255, 255, .7);
    font-variant-numeric: tabular-nums;
}
.lightbox-close {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .25);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background .2s;
}
.lightbox-close:hover {
    background: rgba(255, 255, 255, .25);
}
.lightbox-close svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.lightbox-content {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 clamp(1rem, 6vw, 4rem);
    overflow: hidden;
}
.lightbox-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .25);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background .2s;
}
.lightbox-nav:hover {
    background: rgba(255, 255, 255, .25);
}
.lightbox-nav.prev { left: 1rem; }
.lightbox-nav.next { right: 1rem; }
.lightbox-nav svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.lightbox-thumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .5rem;
    padding: 1.25rem;
    flex: 0 0 auto;
}
.lightbox-thumb-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .3);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background .2s, transform .2s;
}
.lightbox-thumb-dot:hover {
    background: rgba(255, 255, 255, .55);
}
.lightbox-thumb-dot.active {
    background: var(--leaf, #a8d989);
    transform: scale(1.3);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
    .referenzen-wrapper {
        grid-template-columns: 1fr;
    }
    .main-display {
        cursor: pointer;
        aspect-ratio: 4 / 3;
    }
    .main-display .project-info {
        background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, .85) 100%);
    }
    /* Auf Mobile: Overlay-Beschreibung + Details weg, die kommen
       als eigene Karte unter dem Bild */
    .project-description-overlay,
    .project-details-overlay {
        display: none;
    }
    .mobile-nav {
        display: flex;
    }
    .mobile-dots {
        display: flex;
    }
    .project-details-card {
        display: none;
    }
    .thumbnail-list {
        max-height: 360px;
    }
}

@media (max-width: 600px) {
    .thumbnail-item {
        grid-template-columns: 64px 1fr;
        gap: .65rem;
    }
    .thumbnail-name { font-size: .85rem; }
    .lightbox-nav { width: 40px; height: 40px; }
    .lightbox-nav.prev { left: .5rem; }
    .lightbox-nav.next { right: .5rem; }
    .lightbox-header { padding: 1rem; }
}