/* KB Trefa gallery views */

/* =============================================
   TITULNÍ HERO (V3) — fullscreen živě promítaná
   fotka nejnovějšího alba pod sticky navbarem.
   ============================================= */
.home-hero {
    position: relative;
    width: 100%;
    height: 100svh;   /* fotka sahá až nahoru, navbar je vnořený přes ni */
    min-height: 520px;
    overflow: hidden;
    background: #000;
    cursor: pointer;   /* klik do fotky = spustit promítačku */
}

/* médium: dvě prolínající se vrstvy s KB zoomem (mechanika home_feature.js) */
.home-hero-media {
    position: absolute;
    inset: 0;
}
.home-gallery-feature .hgf-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: none;
    opacity: 0;
    transition: opacity 1s ease;
    will-change: transform, opacity;
}
.home-gallery-feature .hgf-layer.is-active { opacity: 1; }
.home-gallery-feature .hgf-layer.kb-in  { animation: kb-in 6.5s ease-out forwards; }
.home-gallery-feature .hgf-layer.kb-out { animation: kb-out 6.5s ease-out forwards; }

/* scrim pro čitelnost titulku (dole, figure-ground) + garantovaný
   tmavý gradient nahoře pro čitelnost světlého loga/menu i na bílé fotce */
.home-hero-scrim {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background:
        linear-gradient(to bottom, rgba(0, 0, 0, .72) 0%, rgba(0, 0, 0, .28) 9%, rgba(0, 0, 0, 0) 19%),
        radial-gradient(120% 90% at 15% 100%, rgba(6, 20, 7, .85), transparent 55%),
        linear-gradient(to top, rgba(6, 20, 7, .72) 0%, rgba(6, 20, 7, 0) 45%);
}

/* vertikální typografie na pravé hraně */
.home-hero-vertical {
    position: absolute;
    right: clamp(10px, 2.5vw, 30px);
    top: 50%;
    z-index: 5;
    transform: translateY(-50%) rotate(180deg);
    writing-mode: vertical-rl;
    font-family: var(--font-display);
    font-size: clamp(1rem, 1.8vw, 1.5rem);
    letter-spacing: .35em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .55);
    pointer-events: none;
}

/* velký titulek dole vlevo (klik = odkaz na album) + datum */
.home-hero-caption {
    position: absolute;
    left: 0;
    bottom: clamp(84px, 13vh, 140px);
    z-index: 5;
    padding: 0 clamp(24px, 6vw, 80px);
    max-width: min(1000px, 92%);
}
.home-hero-title {
    display: inline-block;
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 9vw, 7rem);
    line-height: .86;
    letter-spacing: .01em;
    text-transform: uppercase;
    color: var(--sw-white);
    text-decoration: none;
    text-shadow: 0 4px 40px rgba(0, 0, 0, .45);
    transition: color var(--t-fast);
}
.home-hero-title:hover { color: var(--g-400); }
.home-hero-date {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    font-size: clamp(1rem, 1.8vw, 1.35rem);
    font-weight: 500;
    color: #e4f3d6;
}
.home-hero-date i { color: var(--g-400); }

/* měkké prolnutí titulku/data při změně alba (random režim) */
.home-hero-title,
.home-hero-date {
    transition: opacity .35s ease;
}
.home-hero-title.cap-fading,
.home-hero-date.cap-fading { opacity: 0; }

/* centrální kruhové play + přepínač režimu pod ním */
.home-hero-play-wrap {
    position: absolute;
    left: 50%;
    top: 46%;
    transform: translate(-50%, -50%);
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.home-hero-play {
    width: clamp(80px, 10vw, 116px);
    height: clamp(80px, 10vw, 116px);
    border-radius: 50%;
    border: 2px solid var(--g-400);
    background: rgba(13, 43, 14, .4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: var(--g-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    cursor: pointer;
    transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast);
    animation: cta-pulse 2.8s ease-out infinite;
}
.home-hero-play i { margin-left: 5px; }
.home-hero-play:hover {
    background: var(--g-400);
    color: var(--g-900);
    transform: scale(1.07);
    animation: none;
}
/* .home-hero-mode používá základní vzhled .hero-mode ze style.css */
.home-hero-mode label { width: 46px; height: 34px; font-size: .95rem; }


/* scroll signál — čistě grafický chevron, bez textu */
.home-hero-scroll {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    z-index: 6;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    color: var(--g-400);
    opacity: .85;
    transition: opacity var(--t-fast);
}
.home-hero-scroll:hover { opacity: 1; }
.home-hero-scroll .chev {
    display: block;
    width: 15px;
    height: 15px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -9px;
    animation: home-hero-chev 2.2s ease-in-out infinite;
}
.home-hero-scroll .chev:nth-child(2) { animation-delay: .18s; opacity: .55; }
@keyframes home-hero-chev {
    0%   { opacity: 0; transform: rotate(45deg) translate(-4px, -4px); }
    45%  { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) translate(4px, 4px); }
}

/* pás sekundárních galerií pod hero */
/* pás sekundárních galerií — tmavý, dle finálního mockupu V3 */
.home-strip-section {
    background: var(--g-900);
    padding: clamp(30px, 5vw, 56px) clamp(16px, 4vw, 48px);
}

@media (prefers-reduced-motion: reduce) {
    .home-hero-play { animation: none; }
    .home-hero-scroll .chev { animation: none; opacity: .85; }
}

.gallery-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: var(--space-sm);
    color: #4d554a;
    font-size: .9rem;
    font-weight: 700;
}

.gallery-detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.gallery-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.home-gallery-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 0;
    padding: 0;
}
@media (max-width: 900px) {
    .home-gallery-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
    .home-gallery-strip { gap: 10px; }
}

.home-gallery-strip .gallery-mini-tile {
    border: 0;
    border-radius: 14px;
    overflow: hidden;
    background: #000;
}

.home-gallery-strip .gallery-mini-tile:hover {
    transform: none;
    border-color: transparent;
}

.home-gallery-strip .gallery-mini-thumb {
    aspect-ratio: 4 / 3;
}

/* fotka mírně ztlumená, hover ji rozsvítí (jako mockup) */
.home-gallery-strip .gmt-layer { filter: grayscale(30%) brightness(.85); }
.home-gallery-strip .gallery-mini-tile:hover .gmt-layer { filter: none; }

/* název + datum přes spodní hranu fotky */
.gallery-mini-scrim {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(to top, rgba(6, 20, 7, .82) 0%, rgba(6, 20, 7, 0) 60%);
    pointer-events: none;
}
.gallery-mini-cap {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 3;
    padding: 13px 15px;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.gallery-mini-name {
    font-weight: 700;
    font-size: .85rem;
    line-height: 1.2;
    color: #fff;
}
.gallery-mini-date {
    font-size: .72rem;
    color: #b9cbb0;
}

.gallery-mini-tile,
.gallery-album-tile {
    display: block;
    color: inherit;
    text-decoration: none;
    border: var(--border-thin);
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--sw-white);
    transition: transform var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.gallery-mini-tile:hover,
.gallery-album-tile:hover {
    transform: translateY(-2px);
    border-color: rgba(17, 20, 17, 0.28);
    background: var(--g-100);
}

.gallery-mini-thumb {
    display: block;
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--sw-light);
}

/* Mini-promítačka v sekundární dlaždici (hover) */
.gallery-mini-thumb .gmt-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease;
    will-change: transform, opacity;
}
.gallery-mini-thumb .gmt-layer.is-active { opacity: 1; }
.gallery-mini-thumb .gmt-layer.kb-in  { animation: kb-in 3s ease-out forwards; }
.gallery-mini-thumb .gmt-layer.kb-out { animation: kb-out 3s ease-out forwards; }
.gallery-mini-tile:hover .gmt-layer { filter: grayscale(0%); }

/* Play tlačítko nad dlaždicí — objeví se při hoveru */
.gallery-mini-play {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--t-fast);
    pointer-events: none;
}
.gallery-mini-tile:hover .gallery-mini-play,
.gallery-mini-play:focus-visible {
    opacity: 1;
    pointer-events: auto;
}
.gallery-mini-play i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    padding-left: 4px;
    border-radius: 50%;
    background: rgba(13, 43, 14, 0.6);
    border: 2px solid var(--g-400);
    color: var(--g-400);
    font-size: 1.15rem;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.gallery-mini-play:hover i {
    background: var(--g-400);
    color: var(--g-900);
    transform: scale(1.1);
}

.gallery-mini-thumb img,
.gallery-album-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(35%);
    transition: transform var(--t-slow), filter var(--t-mid);
}

.gallery-mini-tile:hover .gallery-mini-thumb img,
.gallery-album-tile:hover .gallery-album-image img {
    filter: grayscale(0%);
    transform: scale(1.04);
}

.gallery-photo-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-mini-body,
.gallery-album-body {
    display: block;
    padding: 14px;
}

.gallery-mini-title,
.gallery-album-title {
    display: block;
    color: var(--sw-black);
    font-weight: 800;
    line-height: 1.2;
}

.gallery-mini-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 0.98;
    letter-spacing: 0;
    text-transform: uppercase;
}

.gallery-mini-date,
.gallery-album-date {
    display: block;
    margin-top: 6px;
    color: #6b7168;
    font-size: .85rem;
    font-weight: 700;
}

.gallery-page-hero {
    background:
        linear-gradient(90deg, rgba(13, 43, 14, .88) 0%, rgba(13, 43, 14, .64) 52%, rgba(13, 43, 14, .28) 100%),
        var(--gallery-hero-image),
        var(--g-900);
    background-size: cover;
    background-position: center top;
    color: var(--sw-white);
    min-height: clamp(340px, 42vw, 540px);
    padding: var(--space-xl) 0 var(--space-lg);
    display: flex;
    align-items: flex-end;
}

/* V2 (has-hero): hero podjíždí pod průhledný navbar — obsah nesmí pod něj */
.page-v2.has-hero .gallery-page-hero {
    padding-top: calc(var(--space-xl) + 70px);
}

.gallery-page-hero h1,
.gallery-detail-copy h1 {
    color: var(--sw-white);
    margin-bottom: var(--space-sm);
}

.gallery-detail-title {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-wrap: normal;
    word-break: normal;
    letter-spacing: 0;
    line-height: .92;
    text-wrap: balance;
}

.gallery-detail-title.is-fit-min {
    overflow-wrap: anywhere;
}

.gallery-page-hero p,
.gallery-detail-copy p {
    color: rgba(255,255,255,.72);
    margin: 0;
}

.gallery-page-section {
    background: var(--sw-offwhite);
}

.gallery-filter {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(160px, 220px) auto;
    gap: var(--space-sm);
    align-items: end;
    margin-bottom: var(--space-md);
}

.gallery-filter .swiss-input,
.gallery-filter .builder-select {
    min-height: 52px;
    margin-bottom: 0;
}

.gallery-filter-field label {
    display: block;
    margin-bottom: 6px;
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #596056;
}

.gallery-filter-actions {
    display: flex;
    align-self: end;
    align-items: stretch;
    gap: 10px;
}

.gallery-filter-actions .btn {
    min-height: 52px;
    margin: 0;
    padding: 12px 20px;
}

.gallery-count {
    color: #596056;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-sm);
}

.gallery-album-image {
    position: relative;
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--sw-light);
}

.gallery-album-count {
    position: absolute;
    right: 10px;
    bottom: 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(17,20,17,.82);
    color: var(--sw-white);
    border-radius: var(--r-sm);
    padding: 6px 9px;
    font-size: .78rem;
    font-weight: 800;
}

.gallery-lazy-sentinel {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: var(--space-md);
    min-height: 76px;
    color: #596056;
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.gallery-lazy-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(89,96,86,.25);
    border-top-color: var(--g-500);
    border-radius: 50%;
    animation: gallery-spin .8s linear infinite;
}

@keyframes gallery-spin {
    to { transform: rotate(360deg); }
}

.gallery-empty {
    border: var(--border-thin);
    border-radius: var(--r-md);
    background: var(--sw-white);
    padding: var(--space-lg);
    text-align: center;
}

.gallery-empty h2 {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: none;
    margin-bottom: var(--space-sm);
}

.gallery-empty p {
    margin: 0 auto var(--space-md);
}

.gallery-detail-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr);
    min-height: 520px;
    background: var(--g-900);
    color: var(--sw-white);
}

.gallery-detail-cover.is-playable { cursor: pointer; }

.gallery-detail-cover {
    position: relative;
    overflow: hidden;
}

.gallery-detail-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 45%, rgba(13,43,14,.7));
}

.gallery-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-detail-copy {
    padding: var(--space-xl) var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* V2 (has-hero): tmavý fotkový vršek podjíždí pod průhledný navbar.
   Copy panel (i single-column mobil, kde je pod fotkou) dostane horní
   odsazení, aby titulek nepodjížděl pod navbar (~70px jako ostatní hero). */
.page-v2.has-hero .gallery-detail-copy {
    padding-top: calc(var(--space-xl) + 70px);
}

.gallery-detail-copy .gallery-detail-meta {
    color: rgba(255,255,255,.72);
    margin-bottom: var(--space-md);
}

.gallery-detail-section {
    background: var(--sw-white);
}

.gallery-photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
}

.gallery-photo-tile {
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--r-sm);
    background: var(--sw-light);
}

.gallery-photo-tile img {
    transition: transform var(--t-mid);
}

.gallery-photo-tile:hover img {
    transform: scale(1.04);
}

.gallery-neighbor-navigation {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: var(--border-thin);
}

.gallery-neighbor-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.gallery-neighbor-header h2,
.gallery-neighbor-group h3 {
    font-family: var(--font-body);
    font-weight: 900;
    text-transform: none;
}

.gallery-neighbor-header h2 {
    margin: 0;
    font-size: 2rem;
}

.gallery-neighbor-groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-md);
}

.gallery-neighbor-group h3 {
    margin-bottom: var(--space-sm);
    color: #4d554a;
    font-size: 1rem;
}

.gallery-neighbor-grid {
    display: grid;
    gap: 10px;
}

.gallery-neighbor-tile {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    height: 118px;
    overflow: hidden;
    border: var(--border-thin);
    border-radius: var(--r-md);
    background: var(--sw-offwhite);
    color: inherit;
    text-decoration: none;
    transition: transform var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.gallery-neighbor-tile:hover {
    transform: translateY(-2px);
    border-color: rgba(17, 20, 17, 0.28);
    background: var(--g-100);
}

.gallery-neighbor-image {
    display: block;
    overflow: hidden;
    background: var(--sw-light);
}

.gallery-neighbor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(35%);
    transition: transform var(--t-slow), filter var(--t-mid);
}

.gallery-neighbor-tile:hover .gallery-neighbor-image img {
    filter: grayscale(0%);
    transform: scale(1.04);
}

.gallery-neighbor-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    overflow: hidden;
    padding: 14px;
}

.gallery-neighbor-date {
    color: #6b7168;
    font-size: .78rem;
    font-weight: 800;
}

.gallery-neighbor-title {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    color: var(--sw-black);
    font-weight: 900;
    line-height: 1.18;
}

.gallery-neighbor-date {
    margin-top: 6px;
}

@media (max-width: 1024px) {
    .gallery-detail-hero {
        grid-template-columns: 1fr;
    }

    .home-gallery-strip,
    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-neighbor-groups {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .gallery-filter {
        grid-template-columns: 1fr;
    }

    .gallery-filter-actions {
        flex-wrap: wrap;
    }

    .gallery-detail-copy {
        padding: var(--space-md);
    }

    .gallery-neighbor-header {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .home-gallery-strip,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-page-hero,
    .gallery-detail-copy {
        padding-left: var(--space-sm);
        padding-right: var(--space-sm);
    }

    .gallery-neighbor-tile {
        grid-template-columns: 112px minmax(0, 1fr);
        height: 108px;
    }
}


/* Promítačka v hero galerie — vlevo pod titulkem, prominentní */
.gallery-page-hero { position: relative; }
.hero-play-wrap.gallery-hero-play {
    position: static;
    transform: none;
    margin-top: var(--space-md);
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 20px;
}
.gallery-hero-play .hero-play {
    flex-direction: row;
    gap: 16px;
}
.gallery-hero-play .hero-play-circle {
    width: clamp(96px, 9vw, 120px);
    height: clamp(96px, 9vw, 120px);
    font-size: 2.5rem;
    background: var(--g-400);
    color: var(--g-900);
    border-color: var(--g-400);
    box-shadow: 0 14px 40px -10px rgba(135, 210, 47, .55);
}
.gallery-hero-play .hero-play:hover .hero-play-circle {
    background: #fff;
    border-color: #fff;
    color: var(--g-900);
}
.gallery-hero-play .hero-play-label {
    font-size: .95rem;
    padding: 11px 24px;
}
.gallery-hero-play .hero-mode label {
    width: auto;
    height: 46px;
    padding: 0 18px;
    gap: 9px;
    font-size: .95rem;
}
.gallery-hero-play .hero-mode label span {
    font-size: .78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
}
@media (max-width: 640px) {
    .hero-play-wrap.gallery-hero-play { gap: 14px; }
    .gallery-hero-play .hero-play-circle {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    .gallery-hero-play .hero-mode label span { display: none; }
    .gallery-hero-play .hero-mode label { padding: 0 16px; }
}