/* ============================================================================
   Gallery page — cinematic showcase.
   Distinct feel: dark image-first tiles, masonry-like layout, overlay meta on
   hover, per-tile swiper. Uses design-system tokens.
   ============================================================================ */

/* ============================================================ HERO ==== */
.gal-hero {
    position: relative;
    padding-block: clamp(3rem, 7vw, 5.5rem);
    text-align: center;
    overflow: hidden;
    isolation: isolate;
}
.gal-hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(700px 300px at 50% 0%, var(--brand-glow), transparent 55%),
        radial-gradient(500px 400px at 10% 100%, var(--accent-soft), transparent 55%),
        var(--bg);
}
.gal-hero__bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, var(--border) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: .3;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.gal-hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.gal-hero__title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: .75rem 0 0 0;
    max-width: 22ch;
    text-wrap: balance;
    color: var(--fg);
}
.gal-hero__lead {
    font-size: 1.05rem;
    color: var(--fg-muted);
    max-width: 55ch;
    line-height: 1.85;
    margin: 0;
}
.gal-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: 1rem;
    padding: 1.25rem 2rem;
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-top: 1.5rem;
    box-shadow: var(--shadow-lg);
}
.gal-hero__stats > div {
    text-align: center;
    padding-inline: 1rem;
    border-inline-end: 1px solid var(--border);
}
.gal-hero__stats > div:last-child { border-inline-end: 0; }
.gal-hero__stats strong {
    display: block;
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    font-weight: 800;
    color: var(--brand-strong);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: .35rem;
}
:root[data-theme="dark"] .gal-hero__stats strong { color: var(--brand); }
.gal-hero__stats span { font-size: .82rem; color: var(--fg-muted); }

.gal-hero__manage {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .45rem 1rem;
    background: transparent;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-pill);
    color: var(--fg-muted);
    font-size: .82rem;
    text-decoration: none;
    margin-top: .5rem;
    transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.gal-hero__manage:hover {
    color: var(--brand-strong);
    border-color: var(--brand);
    background: var(--brand-soft);
}
:root[data-theme="dark"] .gal-hero__manage:hover { color: var(--brand); }

/* ============================================================ FILTER ==== */
.gal-filter {
    position: sticky;
    top: 68px;
    z-index: 20;
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border-block: 1px solid var(--border);
}
.gal-filter__scroller {
    flex: 1;
    display: flex;
    gap: .5rem;
    overflow-x: auto;
    padding-block: .85rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
    justify-content: flex-start;
    min-width: 0;
}
.gal-filter__controls { display: flex; align-items: center; gap: .5rem; }
.gal-filter__arrow {
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg-elevated);
    color: var(--fg);
    cursor: pointer;
}
.gal-filter__arrow[hidden] { display: none; }
.gal-filter__arrow:disabled { opacity: .35; cursor: default; }
.gal-filter__arrow:focus-visible, .gal-chip:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}
.gal-chip {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1.1rem;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--fg-muted);
    border-radius: var(--radius-pill);
    font-size: .9rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.gal-chip:hover { border-color: var(--brand); color: var(--brand-strong); }
.gal-chip.is-active {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}
:root[data-theme="dark"] .gal-chip:hover { color: var(--brand); }
:root[data-theme="dark"] .gal-chip.is-active { color: #071013; }

/* ============================================================ MASONRY ==== */
.gal-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    grid-auto-rows: 220px;
    gap: 1.25rem;
    grid-auto-flow: dense;
}

.gal-tile {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow);
    transition: transform .35s cubic-bezier(.2,.7,.3,1.1), box-shadow .35s ease;
    isolation: isolate;
}
/* Variable row spans for masonry rhythm */
.gal-tile[style*="--gal-span: tall"]   { grid-row: span 2; }
.gal-tile[style*="--gal-span: wide"]   { grid-column: span 2; }
.gal-tile[style*="--gal-span: normal"] { }
.gal-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }

.gal-tile__slider { width: 100%; height: 100%; position: relative; }
.gal-tile__slider .swiper-wrapper { height: 100%; }
.gal-tile__slider .swiper-slide {
    width: 100%; height: 100%;
    background: linear-gradient(180deg, #0b1220 0%, #17223b 100%);
}
.gal-tile__slider .swiper-slide img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .8s cubic-bezier(.2,.7,.3,1);
}
.gal-tile:hover .swiper-slide-active img { transform: scale(1.05); }

/* Swiper controls — minimal, only on hover */
.gal-tile__slider .swiper-button-next,
.gal-tile__slider .swiper-button-prev {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #fff;
    opacity: 0;
    transition: opacity .2s ease, background .2s ease;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
}
.gal-tile__slider .swiper-button-next::after,
.gal-tile__slider .swiper-button-prev::after { font-size: 14px; font-weight: 900; }
.gal-tile__slider .swiper-button-next { inset-inline-end: 10px; }
.gal-tile__slider .swiper-button-prev { inset-inline-start: 10px; }
.gal-tile:hover .swiper-button-next,
.gal-tile:hover .swiper-button-prev { opacity: 1; }

.gal-tile__slider .swiper-pagination {
    bottom: 12px;
}
.gal-tile__slider .swiper-pagination-bullet {
    background: #fff;
    opacity: .5;
    transition: opacity .2s ease, transform .2s ease;
}
.gal-tile__slider .swiper-pagination-bullet-active {
    opacity: 1;
    transform: scale(1.3);
    background: var(--brand);
}

/* Overlay meta */
.gal-tile__overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1rem;
    background: linear-gradient(180deg,
        rgba(0,0,0,0.5) 0%,
        rgba(0,0,0,0) 30%,
        rgba(0,0,0,0) 55%,
        rgba(0,0,0,0.7) 100%);
    opacity: 1;
    transition: background .3s ease;
}
.gal-tile:hover .gal-tile__overlay {
    background: linear-gradient(180deg,
        rgba(0,0,0,0.55) 0%,
        rgba(0,0,0,0.15) 40%,
        rgba(0,0,0,0.15) 60%,
        rgba(0,0,0,0.8) 100%);
}
.gal-tile__meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: .5rem;
    flex-wrap: wrap;
}
.gal-tile__tag,
.gal-tile__doctor {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .75rem;
    background: rgba(255, 255, 255, 0.92);
    color: #0f172a;
    border-radius: var(--radius-pill);
    font-size: .75rem;
    font-weight: 600;
    pointer-events: auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.gal-tile__tag i { color: var(--brand-strong); }
.gal-tile__doctor i { color: var(--brand-strong); }

.gal-tile__actions {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: .5rem;
    pointer-events: none;
}
.gal-tile__count {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .3rem .65rem;
    background: rgba(0, 0, 0, 0.55);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: #fff;
    border-radius: var(--radius-pill);
    font-size: .78rem;
    font-weight: 600;
    pointer-events: auto;
}
/*
 * Edit / delete on an album the viewer owns.
 *
 * These used to fade in on `:hover`, which on a phone or tablet means they
 * never appeared at all — the album's owner had no way to reach the edit form
 * from the gallery page. They are always visible now, the way the blog cards'
 * controls are, and only render for a user `can_manage` lets through.
 */
.gal-tile__admin {
    display: flex;
    gap: .4rem;
    pointer-events: auto;
}
.gal-tile__admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px; height: 34px;
    background: rgba(255,255,255,0.95);
    color: #0f172a;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: background .2s ease, transform .2s ease;
}
.gal-tile__admin-btn:hover { transform: translateY(-2px); }
.gal-tile__admin-btn--del:hover { background: var(--danger); color: #fff; }
/* The delete button is wrapped in its own POST form; keep the wrapper from
   introducing layout of its own so both buttons stay flush in the flex row. */
.gal-tile__admin-form { margin: 0; padding: 0; display: contents; }

/* Touch targets. 34px is comfortable with a mouse and marginal with a thumb,
   and these are now the only way in to editing an album on a phone. */
@media (max-width: 767.98px) {
    .gal-tile__admin-btn { width: 40px; height: 40px; }
}

/* ============================================================ LOAD MORE ==== */
.gal-loadmore {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    margin-top: 2.5rem;
}
.gal-loadmore__end {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--brand-strong);
    font-weight: 600;
    background: var(--brand-soft);
    padding: .55rem 1.25rem;
    border-radius: var(--radius-pill);
    margin: 0;
}
:root[data-theme="dark"] .gal-loadmore__end { color: var(--brand); }

/* ============================================================ EMPTY ==== */
.gal-empty {
    text-align: center;
    padding: clamp(2.5rem, 6vw, 4rem) 1.5rem;
    background:
        radial-gradient(circle at 50% 0%, var(--brand-glow), transparent 55%),
        linear-gradient(180deg, var(--bg-elevated), var(--bg-muted));
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-xl);
    max-width: 640px;
    margin-inline: auto;
    position: relative;
    overflow: hidden;
}
.gal-empty__glow {
    position: absolute;
    inset-inline: 30%;
    top: -50px;
    height: 200px;
    background: radial-gradient(circle, var(--brand-glow), transparent 70%);
    pointer-events: none;
    filter: blur(20px);
}
.gal-empty__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 84px; height: 84px;
    background: var(--brand-soft);
    color: var(--brand-strong);
    font-size: 2.2rem;
    border-radius: 50%;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 1;
}
:root[data-theme="dark"] .gal-empty__icon { color: var(--brand); }
.gal-empty h3 { margin: 0 0 .5rem 0; color: var(--fg); font-size: 1.4rem; position: relative; z-index: 1; }
.gal-empty p  { color: var(--fg-muted); margin: 0 0 1.5rem 0; position: relative; z-index: 1; }

/* ============================================================ CTA ==== */
.gal-cta { padding-block: clamp(2.5rem, 5vw, 4rem); }

/* ============================================================ RESPONSIVE ==== */
@media (max-width: 1023.98px) {
    .gal-tile[style*="--gal-span: wide"] { grid-column: span 1; }
}

@media (max-width: 639.98px) {
    .gal-masonry {
        grid-template-columns: 1fr;
        grid-auto-rows: 260px;
    }
    .gal-tile[style*="--gal-span: tall"] { grid-row: span 1; }
    .gal-hero__stats {
        grid-template-columns: 1fr;
        gap: .75rem;
        padding: 1rem;
    }
    .gal-hero__stats > div {
        border-inline-end: 0;
        border-bottom: 1px solid var(--border);
        padding-bottom: .75rem;
    }
    .gal-hero__stats > div:last-child { border-bottom: 0; padding-bottom: 0; }

}