/* ==========================================================================
   Galeria zdjęć (gallery.php) - style tylko tej strony.
   Tokeny (--color-*, --font-*, --border-radius*) z style.css: jasny i ciemny motyw.
   Kształty: kafelki 0.75rem (0.5rem na telefonie), przyciski podglądu okrągłe.
   Podgląd (lightbox) jest zawsze ciemny - zdjęcia ogląda się na ciemnym tle.
   ========================================================================== */

.gl-page { padding: clamp(1.25rem, 1rem + 1.5vw, 2.5rem) 0 clamp(3rem, 2.5rem + 2vw, 5rem); }

/* ── Nagłówek ──────────────────────────────────────────────────────── */
.gl-crumbs .breadcrumb { margin-bottom: 1rem; font-size: 0.95rem; }
.gl-crumbs a {
    color: var(--color-text-muted);
    text-decoration: underline;
    text-decoration-color: var(--color-border);
    text-underline-offset: 3px;
}
.gl-crumbs a:hover { color: var(--color-text); text-decoration-color: var(--color-primary); }
.gl-crumbs .breadcrumb-item.active { color: var(--color-text); }

.gl-head { margin-bottom: clamp(1.25rem, 1rem + 1vw, 2rem); }
.gl-title {
    font-size: clamp(2rem, 1.5rem + 1.8vw, 3rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: 0;
    text-wrap: balance;
    margin-bottom: 0.5rem;
}
.gl-desc {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 65ch;
    margin-bottom: 0.75rem;
}
.gl-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.25rem;
    color: var(--color-text-muted);
    margin: 0;
}
.gl-meta i { color: var(--color-primary); margin-right: 0.35rem; }
.gl-meta strong { color: var(--color-text); font-weight: 600; }

/* ── Siatka ────────────────────────────────────────────────────────── */
.gl-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.375rem;
}
@media (min-width: 576px)  { .gl-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem; } }
@media (min-width: 768px)  { .gl-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; } }
@media (min-width: 992px)  { .gl-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .gl-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }

.gallery-thumb {
    position: relative;
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 0.75rem;
    background: var(--color-surface-2);
    cursor: zoom-in;
}
@media (max-width: 575.98px) { .gallery-thumb { border-radius: 0.5rem; } }
.gallery-thumb img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--ease-out), opacity 0.35s ease;
}
/* Delikatna krawędź: jasne zdjęcie nie zlewa się z jasnym tłem strony */
.gallery-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px rgba(20, 15, 10, 0.07);
    pointer-events: none;
}
.gallery-thumb:hover img { transform: scale(1.04); }
.gallery-thumb:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }

/* Wczytywanie miniatur (tylko gdy działa JS - siatka dostaje klasę js-fade):
   przed wczytaniem przesuwa się jasny pas, potem zdjęcie łagodnie się pojawia */
.gl-grid.js-fade .gallery-thumb img:not(.is-loaded) { opacity: 0; }
.gl-grid.js-fade .gallery-thumb::before,
.gl-skel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.45) 50%, transparent 70%);
    transform: translateX(-100%);
    animation: gl-shimmer 1.4s ease-in-out infinite;
}
.gl-grid.js-fade .gallery-thumb:has(img.is-loaded)::before { content: none; }
.gl-skel {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 0.75rem;
    background: var(--color-surface-2);
}
@media (max-width: 575.98px) { .gl-skel { border-radius: 0.5rem; } }
@keyframes gl-shimmer { to { transform: translateX(100%); } }
:root[data-theme="dark"] .gl-grid.js-fade .gallery-thumb::before,
:root[data-theme="dark"] .gl-skel::before { background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.06) 50%, transparent 70%); }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .gl-grid.js-fade .gallery-thumb::before,
    :root:not([data-theme="light"]) .gl-skel::before { background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.06) 50%, transparent 70%); }
}

/* ── Kolejne porcje ────────────────────────────────────────────────── */
.gl-more { text-align: center; margin-top: 2rem; }
.gl-more-btn {
    min-height: 3rem;
    border: 2px solid var(--color-text);
    color: var(--color-text);
    background: transparent;
    font-weight: 600;
}
.gl-more-btn:hover, .gl-more-btn:focus { background: var(--color-text); color: var(--color-bg); border-color: var(--color-text); }
.gl-more-status { color: var(--color-text-muted); font-size: 0.95rem; margin-top: 0.75rem; }

/* ── Pusta galeria ─────────────────────────────────────────────────── */
.gl-empty {
    display: grid;
    justify-items: center;
    gap: 0.75rem;
    padding: clamp(3rem, 2rem + 4vw, 5rem) 1rem;
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius-lg);
    text-align: center;
    color: var(--color-text-muted);
}
.gl-empty i { font-size: 2.5rem; color: var(--color-primary); }
.gl-empty p { margin: 0; font-size: 1.1rem; color: var(--color-text); }

/* ── Przycisk „do góry” ────────────────────────────────────────────── */
.gl-top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 1030;              /* jak przyklejony pasek nawigacji Bootstrapa */
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border: 0;
    border-radius: 50%;
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 1.25rem;
    box-shadow: var(--box-shadow-lg);
    transition: opacity 0.25s ease, transform 0.25s var(--ease-out);
}
.gl-top[hidden] { display: none; }
.gl-top:hover { transform: translateY(-2px); }
.gl-top:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }

/* ── Podgląd (lightbox) ────────────────────────────────────────────── */
.gl-lb {
    --lb-top: 4rem;
    --lb-bottom: 3.5rem;
    --lb-side: 5.5rem;
    position: fixed;
    inset: 0;
    z-index: 2000;              /* nad paskiem nawigacji i oknami Bootstrapa (1055) */
    display: none;
    background: rgba(12, 13, 17, 0.985);
    color: #f2f3f5;
    overscroll-behavior: contain;
}
.gl-lb.active { display: block; animation: gl-fade 0.2s ease-out; }
@keyframes gl-fade { from { opacity: 0; } }

.gl-lb-bar {
    position: absolute;
    inset: 0 0 auto 0;
    height: var(--lb-top);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 0.75rem 0 1.25rem;
    z-index: 2;
}
.gl-lb-count { font-variant-numeric: tabular-nums; font-weight: 600; letter-spacing: 0.02em; }
.gl-lb-actions { display: flex; gap: 0.5rem; }

.gl-lb-btn, .gl-lb-nav {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1.25rem;
    transition: background-color 0.2s ease, transform 0.2s var(--ease-out);
}
.gl-lb-btn:hover, .gl-lb-nav:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }
.gl-lb-btn:active, .gl-lb-nav:active { transform: scale(0.94); }
.gl-lb-btn:focus-visible, .gl-lb-nav:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.gl-lb-nav[hidden] { display: none; }

.gl-lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.5rem;
}
.gl-lb-nav:active { transform: translateY(-50%) scale(0.94); }
.gl-lb-prev { left: 1rem; }
.gl-lb-next { right: 1rem; }

/* Scena: kadr ma proporcje zdjęcia (--ar) i mieści się w wolnym miejscu */
.gl-lb-stage {
    position: absolute;
    inset: var(--lb-top) var(--lb-side) var(--lb-bottom);
    display: grid;
    place-items: center;
    touch-action: pan-y pinch-zoom;
}
.gl-lb-frame {
    --ar: 1.333;
    position: relative;
    margin: 0;
    width: min(100%, calc((100dvh - var(--lb-top) - var(--lb-bottom)) * var(--ar)));
    aspect-ratio: var(--ar);
    max-height: 100%;
    border-radius: 0.5rem;
    overflow: hidden;
    background: #1b1d24 center / cover no-repeat;   /* miniatura jako rozmyty podgląd */
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.gl-lb-frame::before {                                 /* rozmycie miniatury, dopóki oryginał się wczytuje */
    content: '';
    position: absolute;
    inset: -20px;
    background: inherit;
    filter: blur(18px);
}
.gl-lb-frame img {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.gl-lb-frame img.is-loaded { opacity: 1; }
.gl-lb-frame.is-swiping { transition: none; }
.gl-lb-caption {
    position: absolute;
    inset: auto 0 0 0;
    height: var(--lb-bottom);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    font-size: 1rem;
    color: #d6d8de;
    text-align: center;
    pointer-events: none;
}
.gl-lb-caption:empty { display: none; }

/* Telefon: zdjęcie na całą szerokość, strzałki na dole (łatwiej sięgnąć kciukiem) */
@media (max-width: 767.98px) {
    .gl-lb { --lb-top: 3.5rem; --lb-bottom: 5.5rem; --lb-side: 0px; }
    .gl-lb-frame { border-radius: 0; }
    .gl-lb-nav { top: auto; bottom: 1rem; transform: none; width: 3.25rem; height: 3.25rem; }
    .gl-lb-nav:active { transform: scale(0.94); }
    .gl-lb-caption { bottom: 0; padding: 0 5rem; font-size: 0.95rem; }
}

@media (prefers-reduced-motion: reduce) {
    .gallery-thumb img, .gl-lb-frame img, .gl-top { transition: none; }
    .gallery-thumb:hover img { transform: none; }
    .gl-grid.js-fade .gallery-thumb::before, .gl-skel::before { animation: none; }
    .gl-lb.active { animation: none; }
}