/*
Theme Name: Guykins
Description: Только фотографии. Адаптивная галерея и просмотр на весь экран.
Version: 1.2.0
Requires at least: 6.6
Requires PHP: 8.3
Text Domain: guykins
License: GPL-2.0-or-later
*/

:root {
    color-scheme: light;
    --canvas: #f4f4f1;
    --gutter: clamp(16px, 3.5vw, 56px);
    --gap: 20px;
    --radius: 14px;
    --focus: #496d5f;
    --viewer: #101214;
}

* { box-sizing: border-box; }
html { background: var(--canvas); scrollbar-gutter: stable; }
body { margin: 0; min-width: 280px; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

.gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: var(--gap);
    width: min(1600px, 100%);
    min-height: 100svh;
    margin: 0 auto;
    padding: var(--gutter);
    padding-left: max(var(--gutter), env(safe-area-inset-left));
    padding-right: max(var(--gutter), env(safe-area-inset-right));
}

.gallery[data-layout="justified"] { display: flex; flex-wrap: wrap; align-content: flex-start; justify-content: center; }
.photo {
    display: block;
    position: relative;
    overflow: hidden;
    flex: 0 0 auto;
    min-width: 0;
    width: var(--tile-width, auto);
    aspect-ratio: var(--photo-ratio);
    border-radius: var(--radius);
    background: #e4e5e0;
    box-shadow: 0 2px 8px #1b241005, 0 12px 32px -24px #1b241030;
    cursor: zoom-in;
    isolation: isolate;
    transition: box-shadow .2s ease, transform .2s ease;
}
.photo::after { position: absolute; inset: 0; border: 1px solid #22222208; border-radius: inherit; content: ""; pointer-events: none; }
.photo img { display: block; width: 100%; height: auto; aspect-ratio: var(--photo-ratio); }
.photo:focus-visible { outline-offset: 5px; }
.viewing-photo { overflow: hidden; scrollbar-gutter: auto; background: var(--viewer); }

.lightbox {
    position: fixed;
    inset: 0;
    width: 100vw;
    max-width: none;
    height: 100%;
    height: 100dvh;
    max-height: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    background: var(--viewer);
    color: #fff;
    color-scheme: dark;
    --focus: #e2ecdd;
}
.lightbox::backdrop { background: var(--viewer); }
.lightbox[open] { animation: viewer-enter .18s ease-out; }
.lightbox-stage { display: flex; position: absolute; inset: 0; align-items: center; justify-content: center; padding: 72px 80px 96px; touch-action: pan-y pinch-zoom; }
.lightbox-image { display: block; width: auto; height: auto; max-width: 100%; max-height: 100%; border-radius: 6px; object-fit: contain; user-select: none; -webkit-user-select: none; }
.viewer-control {
    display: grid;
    position: relative;
    z-index: 1;
    place-items: center;
    width: 48px;
    height: 48px;
    padding: 12px;
    border: 1px solid #ffffff1c;
    border-radius: 50%;
    background: #24272bd9;
    color: #f4f5f3;
    cursor: pointer;
    touch-action: manipulation;
    transition: background .15s ease, border-color .15s ease;
}
.viewer-control svg { display: block; width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; }
.lightbox-close { position: absolute; top: max(20px, env(safe-area-inset-top)); right: max(20px, env(safe-area-inset-right)); }
.viewer-navigation { display: flex; position: absolute; bottom: max(24px, env(safe-area-inset-bottom)); left: 50%; z-index: 1; gap: 10px; transform: translateX(-50%); }
.viewer-navigation:has([hidden]) { display: none; }

@media (hover: hover) and (pointer: fine) {
    .photo:hover { transform: translateY(-2px); box-shadow: 0 4px 10px #1b241008, 0 18px 40px -24px #1b241050; }
    .viewer-control:hover { background: #393d42; border-color: #ffffff40; }
}

@media (max-width: 900px) {
    :root { --gap: 14px; --radius: 12px; }
    .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
    :root { --gutter: 16px; --gap: 16px; --radius: 12px; }
    .gallery { grid-template-columns: minmax(0, 1fr); }
    .lightbox-stage { padding: max(80px, env(safe-area-inset-top)) 12px max(96px, env(safe-area-inset-bottom)); }
    .lightbox-close { top: max(16px, env(safe-area-inset-top)); right: max(16px, env(safe-area-inset-right)); }
}

@keyframes viewer-enter { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (forced-colors: active) {
    .photo, .viewer-control { border: 1px solid ButtonText; }
    .photo::after { display: none; }
}