:root {
    color-scheme: light dark;
    --bg: #eaf2fa;
    --surface: #f9fcff;
    --surface-soft: #e3eef8;
    --glass: rgba(249, 252, 255, .72);
    --glass-strong: rgba(249, 252, 255, .9);
    --glass-border: rgba(255, 255, 255, .82);
    --text: #142235;
    --muted: #607087;
    --line: #c8d8e8;
    --accent: #148fc4;
    --accent-strong: #2f6fdb;
    --accent-secondary: #7657c8;
    --heart: #e24378;
    --input-bg: rgba(225, 235, 245, .78);
    --input-autofill-bg: #e1ebf5;
    --input-border: rgba(98, 124, 151, .38);
    --input-shadow: rgba(38, 61, 85, .18);
    --input-highlight: rgba(255, 255, 255, .72);
    --shadow: 0 18px 50px rgba(39, 79, 119, .16);
    --glow: 0 0 0 1px rgba(255,255,255,.35) inset, 0 18px 45px rgba(50,99,145,.14);
    --radius: 20px;
    --photo-viewer-bottom-gap: 1rem;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1723;
        --surface: #172231;
        --surface-soft: #203247;
        --glass: rgba(22, 35, 51, .72);
        --glass-strong: rgba(22, 35, 51, .9);
        --glass-border: rgba(164, 211, 244, .18);
        --text: #f2f7fb;
        --muted: #a9b9ca;
        --line: #344b62;
        --accent: #51c8ed;
        --accent-strong: #5793ff;
        --accent-secondary: #a98af0;
        --heart: #ff6f9e;
        --input-bg: rgba(7, 16, 27, .52);
        --input-autofill-bg: #0b1725;
        --input-border: rgba(151, 188, 218, .2);
        --input-shadow: rgba(0, 0, 0, .48);
        --input-highlight: rgba(255, 255, 255, .07);
        --shadow: 0 20px 54px rgba(0, 0, 0, .38);
        --glow: 0 0 0 1px rgba(255,255,255,.07) inset, 0 20px 48px rgba(0,0,0,.28);
    }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-height: 100%; background: var(--bg); }
body {
    min-width: 300px;
    min-height: 100%;
    margin: 0;
    background:
        radial-gradient(circle at 8% 4%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 28rem),
        radial-gradient(circle at 92% 12%, color-mix(in srgb, var(--accent-secondary) 13%, transparent), transparent 32rem),
        linear-gradient(145deg, color-mix(in srgb, var(--bg) 94%, white), var(--bg));
    background-attachment: fixed;
    color: var(--text);
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 72%, white); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.muted { color: var(--muted); }
.center { text-align: center; }
[data-protected-media],
[data-protected-media] img,
[data-protected-media] canvas {
    -webkit-user-drag: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

.topbar {
    position: sticky;
    z-index: 50;
    top: 0;
    display: flex;
    align-items: center;
    min-height: 70px;
    padding: max(.75rem, env(safe-area-inset-top)) max(1.25rem, env(safe-area-inset-right)) .75rem max(1.25rem, env(safe-area-inset-left));
    border-bottom: 1px solid var(--glass-border);
    background: var(--surface);
    background: var(--glass);
    box-shadow: 0 8px 28px rgba(40,78,116,.1);
    -webkit-backdrop-filter: blur(14px) saturate(135%);
    backdrop-filter: blur(14px) saturate(135%);
}

.brand { display: inline-flex; min-width: 0; align-items: center; gap: .72rem; font-weight: 760; letter-spacing: -.02em; white-space: nowrap; }
.brand-logo { display: block; flex: 0 0 auto; width: 2.1rem; height: 2.1rem; object-fit: contain; }
.main-menu { display: flex; align-items: center; gap: .3rem; margin-left: auto; }
.main-menu > a, .link-button {
    min-height: 44px; padding: .72rem 1rem; border: 0; border-radius: 999px; background: transparent;
    color: var(--muted); cursor: pointer; font-weight: 650;
}
.main-menu > a:hover, .link-button:hover { background: color-mix(in srgb, var(--accent) 10%, var(--surface)); color: var(--text); }
.main-menu > a.active { background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, var(--surface)), color-mix(in srgb, var(--accent-secondary) 11%, var(--surface))); color: var(--accent-strong); box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 14%, transparent) inset; }
.main-menu form { margin: 0; }
.mobile-topbar-actions { display: flex; align-items: center; gap: .5rem; margin-left: auto; }
.menu-toggle.icon-button, .app-fullscreen-toggle.icon-button { display: none; }
.app-fullscreen-toggle svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.app-fullscreen-toggle .fullscreen-collapse-icon { display: none; }
.app-fullscreen-toggle.active .fullscreen-expand-icon { display: none; }
.app-fullscreen-toggle.active .fullscreen-collapse-icon { display: block; }
.icon-button, .round-control {
    display: grid; width: 44px; height: 44px; padding: 0; place-items: center; border: 1px solid var(--line);
    border-radius: 50%; background: var(--surface); background: var(--glass-strong); box-shadow: 0 7px 18px rgba(37,74,109,.12); cursor: pointer; font-size: 1.3rem;
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}

.page { width: min(1160px, calc(100% - 2.5rem)); margin: 0 auto; padding: clamp(2rem, 5vw, 4.5rem) 0 max(4rem, env(safe-area-inset-bottom)); }
.page.narrow { width: min(620px, calc(100% - 2.5rem)); }
.gallery-page { padding-top: clamp(1.25rem, 3vw, 2.5rem); }
.page-heading { max-width: 680px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.page-heading h1, .album-header h1, .auth-card h1 { margin: .25rem 0; font-size: clamp(2rem, 6vw, 4.3rem); line-height: 1; letter-spacing: -.055em; }
.page-heading p:last-child { margin: 1rem 0 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.17rem); }
.eyebrow { margin: 0; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }

.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2rem); }
.media-card { position: relative; min-width: 0; overflow: hidden; border: 1px solid var(--glass-border); border-radius: var(--radius); background: var(--surface); background: var(--glass); box-shadow: var(--glow); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; -webkit-backdrop-filter: blur(9px); backdrop-filter: blur(9px); }
.media-card:hover, .media-card:focus-within { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--glass-border)); box-shadow: 0 22px 60px rgba(39, 91, 139, .22), 0 0 0 1px rgba(255,255,255,.32) inset; }
.album-card-link { display: block; }
.album-card-heart { position: absolute; z-index: 4; top: 1rem; left: 1rem; }
.album-card-heart .heart-button { border-color: rgba(255,255,255,.28); background: rgba(8,18,30,.58); color: #fff; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.card-image { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--surface-soft); }
.card-image img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .45s ease; }
.media-card:hover .card-image img { transform: scale(1.025); }
.missing-image { display: grid; width: 100%; height: 100%; place-items: center; color: var(--muted); font-size: 4rem; }
.missing-pano-thumbnail {
    display: grid;
    width: 100%;
    height: 100%;
    padding: 1.5rem;
    place-items: center;
    color: var(--muted);
    font-size: .92rem;
    font-weight: 700;
    text-align: center;
}
.pano-card .card-image img { object-fit: contain; background: #161615; }
.new-badge { position: absolute; top: 1rem; right: 1rem; padding: .36rem .62rem; border-radius: 999px; background: linear-gradient(135deg, var(--accent), var(--accent-strong)); color: #fff; font-size: .68rem; font-weight: 850; letter-spacing: .08em; box-shadow: 0 6px 18px color-mix(in srgb, var(--accent-strong) 34%, transparent); }
.pano-symbol { position: absolute; left: 1rem; bottom: 1rem; padding: .4rem .7rem; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; background: rgba(0,0,0,.56); color: #fff; font-weight: 750; backdrop-filter: blur(8px); }
.card-body { display: flex; min-height: 92px; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.2rem 1.3rem; }
.card-body h2 { margin: 0 0 .32rem; font-size: 1.22rem; line-height: 1.2; letter-spacing: -.025em; }
.card-body p, .card-body > span { margin: 0; color: var(--muted); font-size: .9rem; }
.pano-card .card-body > a { min-width: 0; flex: 1; }
.heart-button {
    display: grid; flex: 0 0 auto; width: 46px; height: 46px; padding: 0; place-items: center; border: 1px solid var(--line);
    border-radius: 50%; background: var(--glass-strong); color: var(--muted); cursor: pointer; font-size: 1.7rem; line-height: 1;
    box-shadow: 0 5px 16px rgba(39,75,112,.1);
}
.heart-button.active { border-color: color-mix(in srgb, var(--heart) 48%, var(--line)); color: var(--heart); background: color-mix(in srgb, var(--heart) 12%, var(--surface)); box-shadow: 0 0 20px color-mix(in srgb, var(--heart) 18%, transparent); }
.heart-button:disabled { opacity: .55; }
.heart-button.shake { animation: shake .4s ease; }
.heart-button.heart-pop { animation: heart-pop .28s ease; }
.media-actions { display: flex; flex: 0 0 auto; align-items: center; gap: .4rem; }
.media-action-button { width: 44px; height: 44px; flex: 0 0 44px; }
.media-action-button svg, .pano-fullscreen-button svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.media-action-button:disabled { opacity: .55; cursor: default; }
@keyframes shake { 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }
@keyframes heart-pop { 50% { transform: scale(1.12); } }

.pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 3rem; }
.pagination a, .primary-link { min-height: 44px; display: inline-flex; align-items: center; padding: .65rem 1rem; border: 1px solid var(--glass-border); border-radius: 999px; background: var(--surface); background: var(--glass-strong); box-shadow: 0 6px 18px rgba(39,75,112,.1); font-weight: 700; }
.pagination span { color: var(--muted); font-size: .9rem; }
.post-navigation {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: clamp(1.5rem, 4vw, 3rem);
}
.post-navigation .primary-link { max-width: 100%; text-align: center; }
.post-navigation .post-older { margin-left: auto; }
.empty-state { display: grid; min-height: 300px; padding: 2rem; place-items: center; align-content: center; border: 1px solid var(--glass-border); border-radius: var(--radius); background: var(--surface); background: var(--glass); box-shadow: var(--glow); text-align: center; -webkit-backdrop-filter: blur(9px); backdrop-filter: blur(9px); }
.empty-state h2 { margin: .7rem 0 .4rem; }
.empty-state p { max-width: 480px; margin: 0; color: var(--muted); }
.empty-icon { color: var(--muted); font-size: 3rem; }

.auth-page { display: grid; min-height: 100vh; min-height: 100dvh; place-items: center; padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left)); background: radial-gradient(circle at 18% 12%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 35rem), radial-gradient(circle at 88% 82%, color-mix(in srgb, var(--accent-secondary) 20%, transparent), transparent 38rem), var(--bg); }
.auth-shell { width: min(100%, 440px); }
.auth-card { position: relative; display: grid; gap: 2rem; overflow: hidden; padding: clamp(1.5rem, 6vw, 2.5rem); border: 1px solid var(--glass-border); border-radius: 28px; background: var(--surface); background: var(--glass); box-shadow: var(--glow); -webkit-backdrop-filter: blur(18px) saturate(135%); backdrop-filter: blur(18px) saturate(135%); }
.auth-card::before { position: absolute; top: 0; right: 12%; left: 12%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.92), transparent); content: ""; }
.auth-card h1 { font-size: clamp(2rem, 9vw, 3.25rem); overflow-wrap: anywhere; }
.stack { display: grid; gap: .75rem; }
.stack label { margin-top: .3rem; font-weight: 700; }
.stack input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]) { width: 100%; min-height: 50px; padding: .75rem .85rem; border: 1px solid var(--input-border); border-radius: 12px; background: var(--input-bg); color: var(--text); box-shadow: inset 0 2px 6px var(--input-shadow), inset 0 -1px 0 var(--input-highlight); }
.stack input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]):focus { border-color: var(--accent); box-shadow: inset 0 2px 6px var(--input-shadow), inset 0 -1px 0 var(--input-highlight), 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.stack input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]):-webkit-autofill { -webkit-text-fill-color: var(--text); caret-color: var(--text); box-shadow: inset 0 0 0 1000px var(--input-autofill-bg), inset 0 2px 6px var(--input-shadow), inset 0 -1px 0 var(--input-highlight); transition: background-color 9999s ease-out; }
.primary-button { min-height: 50px; margin-top: .45rem; padding: .75rem 1rem; border: 1px solid color-mix(in srgb, var(--accent-strong) 60%, transparent); border-radius: 12px; background: linear-gradient(135deg, var(--accent), var(--accent-strong) 62%, var(--accent-secondary)); box-shadow: 0 9px 22px color-mix(in srgb, var(--accent-strong) 28%, transparent), 0 1px 0 rgba(255,255,255,.35) inset; color: #fff; cursor: pointer; font-weight: 760; }
.primary-button:hover { filter: brightness(1.06); transform: translateY(-1px); }
.primary-button:active { filter: brightness(.96); transform: translateY(0); }
.text-button { padding: .5rem 0; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-weight: 650; }
.hint { color: var(--muted); font-size: .78rem; font-weight: 500; }
.alert { padding: .9rem 1rem; border-radius: 12px; margin: 0; font-size: .92rem; }
.alert.error { background: color-mix(in srgb, #d93852 13%, var(--surface)); color: color-mix(in srgb, #d93852 80%, var(--text)); }
.alert.success { background: color-mix(in srgb, #2b9b61 14%, var(--surface)); color: color-mix(in srgb, #2b9b61 78%, var(--text)); }
.settings-card, .about-card { padding: clamp(1.25rem, 5vw, 2rem); border: 1px solid var(--glass-border); border-radius: var(--radius); background: var(--surface); background: var(--glass); box-shadow: var(--glow); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.about-card { width: min(100%, 520px); margin: 0 auto; }
.about-card h1 { margin: 0 0 1rem; font-size: clamp(2rem, 7vw, 3rem); line-height: 1; letter-spacing: -.045em; }
.about-card p { margin: 0; }
.about-card .about-version { margin-top: 1.5rem; color: var(--muted); font-size: .82rem; }
.app-install { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.app-install h2 { margin: 0 0 .85rem; font-size: 1rem; line-height: 1.3; }
.app-install-button { max-width: 100%; margin-top: 0; white-space: normal; }
.app-install-unsupported { color: var(--muted); font-size: .82rem; line-height: 1.45; }
.app-toast {
    position: fixed;
    z-index: 2000;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1.25rem, calc(env(safe-area-inset-bottom) + .75rem));
    left: max(1rem, env(safe-area-inset-left));
    width: fit-content;
    max-width: calc(100% - 2rem);
    margin: 0 auto;
    padding: .72rem 1rem;
    transform: translateY(.5rem);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    background: var(--glass-strong);
    box-shadow: var(--shadow);
    color: var(--text);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    font-size: .88rem;
    font-weight: 700;
    text-align: center;
    transition: opacity .18s ease, transform .18s ease, visibility 0s linear .18s;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}
.app-toast.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}
.clipboard-fallback {
    position: fixed;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
}
.back-link { display: inline-flex; min-height: 44px; align-items: center; margin-bottom: 2rem; color: var(--muted); font-weight: 700; }

.album-page { min-height: 100vh; overflow-x: hidden; }
.album-shell { width: min(1400px, 100%); margin: 0 auto; padding: 1rem max(1rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left)); }
html.photo-viewer-open,
body.photo-viewer-open {
    width: 100%;
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
}
body.photo-viewer-open .album-shell { padding-bottom: 0; }
body.photo-viewer-open .album-viewer { overflow: hidden; overscroll-behavior: none; }
.album-header { display: grid; grid-template-columns: 120px 1fr 120px; align-items: center; gap: 1rem; margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--glass-border); border-radius: 18px; background: var(--surface); background: var(--glass); box-shadow: var(--glow); text-align: center; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.album-header h1 { font-size: clamp(1.65rem, 4vw, 3rem); }
.back-actions { display: flex; gap: .5rem; }
.album-summary { display: flex; align-items: center; justify-content: flex-end; gap: .65rem; }
.round-control.light { color: var(--text); background: var(--surface); }
.photo-counter, .album-photo-count { color: var(--muted); font-variant-numeric: tabular-nums; font-weight: 700; text-align: right; }
.album-content-section + .album-content-section { margin-top: clamp(1.25rem, 3vw, 2rem); }
.content-section-title {
    margin: 0 0 .8rem;
    color: var(--muted);
    font-size: .86rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.album-pano-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.album-photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: clamp(.7rem, 1.6vw, 1.25rem);
}
.album-thumbnail {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    background: var(--surface);
    background: var(--glass);
    box-shadow: var(--glow);
    transition: transform .18s ease, box-shadow .18s ease;
}
.album-thumbnail:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.album-thumbnail-image {
    position: relative;
    display: grid;
    aspect-ratio: 4 / 3;
    place-items: center;
    overflow: hidden;
    background: #191918;
}
.album-thumbnail-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}
.album-thumbnail-meta {
    display: flex;
    min-width: 0;
    min-height: 58px;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .7rem .8rem;
}
.album-thumbnail-meta strong {
    min-width: 0;
    overflow: hidden;
    font-size: .88rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.album-thumbnail-meta > span { flex: 0 0 auto; color: var(--muted); font-size: .78rem; }
.gallery-stage {
    --photo-viewer-top-offset: 0px;
    position: relative;
    width: 100%;
    height: calc(100vh - var(--photo-viewer-top-offset) - var(--photo-viewer-bottom-gap));
    height: calc(100svh - var(--photo-viewer-top-offset) - var(--photo-viewer-bottom-gap));
    height: calc(100dvh - var(--photo-viewer-top-offset) - var(--photo-viewer-bottom-gap));
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background: #090909;
    border-radius: var(--radius);
}
.slides { width: 100%; height: 100%; min-width: 0; min-height: 0; }
.photo-slide { position: relative; display: none; width: 100%; height: 100%; min-width: 0; min-height: 0; }
.photo-slide.active { display: block; animation: reveal .25s ease; }
@keyframes reveal { from { opacity: .5; } to { opacity: 1; } }
.photo-frame { position: relative; display: flex; width: 100%; height: 100%; min-width: 0; min-height: 0; padding: 0; align-items: center; justify-content: center; overflow: hidden; border: 0; border-radius: var(--radius); background: #090909; cursor: zoom-in; }
.photo-frame img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
}
.photo-meta {
    position: absolute;
    z-index: 20;
    bottom: calc(.75rem + env(safe-area-inset-bottom));
    left: calc(.75rem + env(safe-area-inset-left));
    display: inline-flex;
    width: fit-content;
    max-width: min(720px, calc(100% - 1.5rem));
    min-height: 0;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 0;
    padding: .55rem .6rem .55rem .8rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--glass-strong);
    box-shadow: var(--glow);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}
.photo-meta > div { min-width: 0; }
.photo-meta > .media-actions { min-width: max-content; }
.photo-meta h2 { margin: 0 0 .25rem; font-size: clamp(1rem, 2vw, 1.3rem); }
.photo-meta p { margin: 0; color: var(--muted); font-size: .88rem; }
.gallery-arrow { position: absolute; z-index: 21; top: 50%; left: calc(.75rem + env(safe-area-inset-left)); width: 54px; height: 54px; transform: translateY(-50%); border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: rgba(0,0,0,.48); color: #fff; cursor: pointer; font-size: 2.2rem; line-height: 1; backdrop-filter: blur(6px); }
.gallery-arrow.next { right: calc(.75rem + env(safe-area-inset-right)); left: auto; }
.gallery-arrow:disabled { opacity: .25; cursor: default; }
.gallery-stage:fullscreen, .gallery-stage.fullscreen-fallback { --photo-viewer-bottom-gap: 0px; width: 100vw; height: 100vh; height: 100svh; height: 100dvh; padding: 0; overflow: hidden; overscroll-behavior: none; touch-action: none; border-radius: 0; background: #000; }
.gallery-stage:fullscreen .slides, .gallery-stage.fullscreen-fallback .slides,
.gallery-stage:fullscreen .photo-slide.active, .gallery-stage.fullscreen-fallback .photo-slide.active,
.gallery-stage:fullscreen .photo-frame, .gallery-stage.fullscreen-fallback .photo-frame { width: 100%; height: 100%; min-width: 0; min-height: 0; }
.gallery-stage:fullscreen .photo-frame, .gallery-stage.fullscreen-fallback .photo-frame { border-radius: 0; cursor: zoom-out; }
.gallery-stage:fullscreen .photo-meta, .gallery-stage.fullscreen-fallback .photo-meta {
    position: absolute;
    z-index: 2;
    right: auto;
    bottom: max(1rem, env(safe-area-inset-bottom));
    left: max(1rem, env(safe-area-inset-left));
    width: fit-content;
    max-width: min(430px, calc(100% - 5.5rem));
    min-height: 0;
    margin: 0;
    padding: .55rem .6rem .55rem .8rem;
    border-color: rgba(255,255,255,.16);
    border-radius: 14px;
    background: rgba(0,0,0,.65);
    color: #fff;
    backdrop-filter: blur(10px);
}
.gallery-stage:fullscreen .photo-meta p, .gallery-stage.fullscreen-fallback .photo-meta p { color: rgba(255,255,255,.72); }
.gallery-stage:fullscreen .media-action-button,
.gallery-stage:-webkit-full-screen .media-action-button,
.gallery-stage.fullscreen-fallback .media-action-button { display: none; }
.gallery-stage:fullscreen .gallery-arrow,
.gallery-stage.fullscreen-fallback .gallery-arrow { display: none; }
.gallery-stage.fullscreen-fallback { position: fixed; z-index: 1000; inset: 0; }

.gallery-stage:-webkit-full-screen {
    --photo-viewer-bottom-gap: 0px;
    width: 100%;
    height: 100%;
    padding: 0;
    overflow: hidden;
    overscroll-behavior: none;
    touch-action: none;
    border-radius: 0;
    background: #000;
}
.gallery-stage:-webkit-full-screen .slides,
.gallery-stage:-webkit-full-screen .photo-slide.active,
.gallery-stage:-webkit-full-screen .photo-frame { width: 100%; height: 100%; min-width: 0; min-height: 0; }
.gallery-stage:-webkit-full-screen .gallery-arrow { display: none; }

.pano-viewer-shell {
    position: relative;
    width: 100%;
    min-height: 0;
    min-width: 0;
}
.pano-viewer-shell[hidden] { display: none; }
html.pano-viewer-open,
body.pano-viewer-open { width: 100%; height: 100%; overflow: hidden; overscroll-behavior: none; }
.pano-stage {
    position: relative;
    width: 100%;
    height: calc(100vh - 2rem);
    height: calc(100svh - 2rem);
    height: calc(100dvh - 2rem);
    min-height: 320px;
    min-height: min(420px, calc(100dvh - 2rem));
    overflow: hidden;
    border-radius: var(--radius);
    background: #000;
    overscroll-behavior: none;
}
.pano-viewer-shell #panorama {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
}
.pano-viewer-shell:fullscreen,
.pano-viewer-shell:-webkit-full-screen,
.pano-viewer-shell.fullscreen-fallback {
    width: 100vw;
    height: 100vh;
    height: 100svh;
    height: 100dvh;
    padding: 0;
    background: #000;
}
.pano-viewer-shell.fullscreen-fallback {
    position: fixed;
    z-index: 1000;
    inset: 0;
}
.pano-viewer-shell:fullscreen .pano-stage,
.pano-viewer-shell:-webkit-full-screen .pano-stage,
.pano-viewer-shell.fullscreen-fallback .pano-stage {
    width: 100%;
    height: 100%;
    min-height: 0;
    border-radius: 0;
}
.panorama-error {
    position: absolute;
    z-index: 20;
    top: 50%;
    left: 50%;
    max-width: calc(100% - 2rem);
    padding: .9rem 1.1rem;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 14px;
    background: rgba(0,0,0,.78);
    color: #fff;
    text-align: center;
    backdrop-filter: blur(10px);
}
.pano-overlay { position: absolute; z-index: 15; inset: 0; pointer-events: none; }
.pano-overlay > * { pointer-events: auto; }
.pano-navigation { position: absolute; z-index: 50; top: calc(12px + env(safe-area-inset-top)); left: calc(12px + env(safe-area-inset-left)); display: flex; gap: 10px; }
.pano-overlay .round-control { border-color: rgba(255,255,255,.25); background: rgba(0,0,0,.58); color: #fff; backdrop-filter: blur(10px); }
.pano-viewer-shell .pnlm-controls-container { top: calc(72px + env(safe-area-inset-top)); left: calc(12px + env(safe-area-inset-left)); }
.pano-fullscreen-button { position: absolute; z-index: 50; top: calc(12px + env(safe-area-inset-top)); right: calc(12px + env(safe-area-inset-right)); }
.pano-caption { position: absolute; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); left: max(1rem, env(safe-area-inset-left)); display: flex; width: fit-content; max-width: calc(100% - 2rem); align-items: center; gap: 1rem; padding: .7rem .75rem .7rem 1rem; border: 1px solid rgba(255,255,255,.18); border-radius: 16px; background: rgba(0,0,0,.62); color: #fff; backdrop-filter: blur(12px); }
.pano-viewer-shell.pano-native-fullscreen .pano-caption,
.pano-viewer-shell.fullscreen-fallback .pano-caption { display: none; }
.pano-viewer-shell.pano-native-fullscreen .pano-fullscreen-button { display: none !important; }
.pano-caption-item { display: flex; min-width: 0; align-items: center; gap: 1rem; }
.pano-caption-item[hidden] { display: none; }
.pano-caption-item > div { min-width: 0; }
.pano-caption-item > .media-actions { min-width: max-content; }
.pano-caption-item strong { overflow-wrap: anywhere; }
.pano-caption strong, .pano-caption span { display: block; }
.pano-caption span { margin-top: .18rem; color: rgba(255,255,255,.72); font-size: .78rem; }
.pano-caption .heart-button,
.pano-caption .media-action-button { border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.1); color: #fff; }
.pano-caption .heart-button.active { color: #ff6a7e; }

@media (max-width: 720px) {
    :root { --photo-viewer-bottom-gap: .75rem; }
    .topbar { min-height: 62px; }
    .menu-toggle.icon-button { display: grid; }
    .app-fullscreen-toggle.icon-button:not([hidden]) { display: grid; }
    .main-menu { position: absolute; top: calc(100% + .5rem); right: max(1rem, env(safe-area-inset-right)); display: none; width: min(280px, calc(100vw - 2rem)); align-items: stretch; padding: .6rem; border: 1px solid var(--glass-border); border-radius: 16px; background: var(--surface); background: var(--glass-strong); box-shadow: var(--shadow); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
    .main-menu.open { display: grid; }
    .main-menu > a, .link-button { width: 100%; border-radius: 10px; text-align: left; }
    .card-grid { grid-template-columns: 1fr; }
    .page { width: min(100% - 1.4rem, 1160px); padding-top: 2.2rem; }
    .gallery-page { padding-top: 1rem; }
    .page-heading { margin-bottom: 1.7rem; }
    .album-grid-view .album-header,
    .album-viewer .viewer-header {
        grid-template-columns: auto minmax(0, 1fr) auto;
        grid-template-rows: auto auto;
        gap: .65rem .75rem;
        text-align: left;
    }
    .album-grid-view .album-header > :nth-child(2),
    .album-viewer .viewer-header > :nth-child(2) {
        grid-row: 2;
        grid-column: 1 / -1;
        min-width: 0;
    }
    .album-grid-view .album-header h1,
    .album-viewer .viewer-header h1 {
        display: -webkit-box;
        overflow: hidden;
        overflow-wrap: anywhere;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
    }
    .album-summary { display: contents; }
    .album-summary .album-photo-count,
    .album-summary .photo-counter {
        grid-row: 1;
        grid-column: 2;
        align-self: center;
        justify-self: center;
        text-align: center;
    }
    .album-summary .media-actions {
        grid-row: 1;
        grid-column: 3;
        align-self: center;
        justify-self: end;
    }
    .album-summary .media-actions { gap: .25rem; }
    .album-summary .heart-button { width: 44px; height: 44px; }
    .album-header .eyebrow { font-size: .68rem; }
    .album-photo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .gallery-arrow { top: 50%; width: 46px; height: 60px; border-color: rgba(255,255,255,.18); border-radius: 0 14px 14px 0; background: rgba(0,0,0,.42); color: #fff; backdrop-filter: blur(5px); }
    .gallery-arrow.next { right: env(safe-area-inset-right); border-radius: 14px 0 0 14px; }
    .gallery-arrow.previous { left: env(safe-area-inset-left); }
    .photo-frame { border-radius: 14px; }
    .photo-meta { max-width: calc(100% - 1.5rem - env(safe-area-inset-left) - env(safe-area-inset-right)); }
    .post-navigation { align-items: stretch; flex-wrap: wrap; }
    .post-navigation .primary-link { flex: 1 1 190px; justify-content: center; }
    .gallery-stage:fullscreen .photo-meta,
    .gallery-stage:-webkit-full-screen .photo-meta,
    .gallery-stage.fullscreen-fallback .photo-meta { display: none; }
}

@media (max-width: 520px) {
    .album-photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
    .album-thumbnail { border-radius: 12px; }
    .album-thumbnail-meta { display: block; min-height: 54px; padding: .55rem .6rem; }
    .album-thumbnail-meta strong, .album-thumbnail-meta > span { display: block; }
    .album-thumbnail-meta > span { margin-top: .16rem; }
}

@media (max-width: 480px) and (orientation: portrait) {
    .post-navigation { flex-wrap: nowrap; align-items: center; gap: 1rem; }
    .post-navigation .primary-link {
        flex: 0 0 44px;
        width: 44px;
        min-width: 44px;
        min-height: 44px;
        padding: 0;
        justify-content: center;
        font-size: 1.55rem;
        line-height: 1;
    }
    .post-navigation .post-navigation-label { display: none; }
}

@media (max-width: 420px) {
    .card-body { padding: 1rem; }
    .pagination { flex-wrap: wrap; }
    .pagination span { order: -1; width: 100%; text-align: center; }
    .album-shell { padding-top: .35rem; }
    .album-header { gap: .55rem; }
    .back-actions .round-control { width: 44px; height: 44px; }
    .photo-counter { font-size: .8rem; }
    .album-photo-count { font-size: .76rem; }
    .pano-caption { width: calc(100% - 2rem); justify-content: space-between; }
    .pano-caption-item { width: 100%; justify-content: space-between; }
    .pano-caption-item .media-actions { gap: .25rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    .topbar, .main-menu, .media-card, .album-thumbnail, .auth-card, .settings-card, .about-card,
    .empty-state, .album-header, .photo-meta, .pagination a, .primary-link {
        background: var(--surface);
    }
}