/* P3-010A: approved R7 paper album / immersive viewer. Loaded after legacy CSS. */
/* Viewer pages have no document scrollbar. Stable Home/L1 gutters must not
   reduce their viewport units or the native fullscreen canvas. */
html:has(body.album-viewer-open) { scrollbar-gutter: auto; }
.album-main {
    width: calc(100% - 2 * var(--aper-page-gutter, 120px));
    min-height: 0;
    flex: 1;
    padding: 68px 0 126px;
    margin: 0 auto;
}
.album-heading { margin-bottom: 24px; }
.album-title {
    color: var(--aper-color-text);
    font: 100 22.4px/33.6px var(--aper-font-caption);
    letter-spacing: 3px;
}
.album-description { max-width: 48rem; color: var(--aper-color-text-muted); font: 100 12px/18px var(--aper-font-caption); }
.album-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.album-card { overflow: visible; color: var(--aper-color-text); background: transparent; border: 0; border-radius: 0; box-shadow: none; }
.album-card__media { border: 1px solid var(--aper-color-divider); background: var(--aper-color-surface); }
.album-card__media img { transition: transform .32s ease; }
.album-card:hover, .album-card:focus-visible { transform: none; box-shadow: none; }
.album-card:hover .album-card__media img, .album-card:focus-visible .album-card__media img { transform: scale(1.035); }
.album-card:focus-visible { outline: 1px solid var(--aper-color-accent); outline-offset: 4px; }
.album-card__info { min-height: 48px; padding: 8px 0 0; }
.album-card__title, .album-card__caption { font: 100 12px/18px var(--aper-font-caption); font-synthesis: none; }
.album-card__title { color: var(--aper-color-text); }
.album-card__caption { color: var(--aper-color-text-muted); }
.album-card__video-mark { inset: 8px auto auto 8px; width: 28px; height: 24px; border-radius: 2px; transform: none; }
.album-card__video-mark svg { width: 14px; height: 14px; }

/* Six desktop columns, with two 4:3 rows above the default player position.
   Limit the whole wall on wide, short windows so its heading stays aligned.
   The heading measurement includes wrapped descriptions and loaded fonts.
   Reserve footer + 26px gap + 32px player + 32px clearance, a 20px row gap,
   and two 48px captions. Six 4:3 frames need 8 times one photo-row height.
   Very short windows retain roughly 100px-wide cards and scroll normally. */
@media (min-width:1201px) {
    .album-main {
        --album-top-space: clamp(24px,4.5dvh,68px);
        --album-photo-row-height: calc((100dvh - var(--aper-header-clearance,108px) - var(--album-top-space) - var(--album-heading-height,64px) - 24px - var(--aper-ui-footer-height,41px) - 26px - 32px - 32px - 20px - 96px) / 2);
        max-width: max(720px,calc(var(--album-photo-row-height) * 8 + 100px));
        padding-top: var(--album-top-space);
        padding-bottom: 90px;
    }
    .album-grid { grid-template-columns: repeat(6,minmax(0,1fr)); gap: 20px; }
}

.album-viewer.album-viewer {
    --viewer-gutter: var(--aper-page-gutter, 120px);
    --viewer-top: var(--aper-ui-chrome-top, calc(var(--aper-top-clearance, 0px) + 20px));
    --viewer-bottom: var(--aper-ui-chrome-bottom, calc(env(safe-area-inset-bottom, 0px) + 24px));
    --viewer-control: 34px;
    inset: 0;
    z-index: 1100;
    width: 100vw;
    max-width: none;
    height: 100%;
    height: 100dvh;
    color: var(--aper-color-text);
    background: var(--aper-color-canvas);
}
.album-viewer__backdrop, .album-viewer__vignette { position: absolute; inset: 0; display: none; pointer-events: none; }
.album-viewer__backdrop { background: #171410 center/cover no-repeat; filter: blur(34px) brightness(.42) saturate(.9); }
.album-viewer__vignette { background: radial-gradient(130% 110% at 50% 45%, transparent 48%, rgba(8,8,8,.58) 100%); }
.album-viewer__slides { position: relative; z-index: 2; }
.album-viewer .album-viewer__slide {
    padding: calc(var(--viewer-top) + var(--viewer-control) + 20px) var(--viewer-gutter) calc(var(--viewer-bottom) + 46px);
    touch-action: none;
}
.album-viewer .album-viewer__media { width: fit-content; max-width: 100%; height: auto; line-height: 0; }
.album-viewer .album-viewer__media img, .album-viewer .album-viewer__media video {
    width: auto; height: auto; max-width: min(76vw, calc(100vw - 2 * var(--viewer-gutter))); max-height: 62dvh;
    border: 1px solid var(--aper-color-divider); border-radius: 0; box-shadow: none; object-fit: contain;
}
.album-viewer .album-viewer__advance { inset: 0; background: transparent; pointer-events: auto; }
.album-viewer .album-viewer__caption {
    flex: 0 0 auto; width: auto; min-height: 0; max-width: 100%; padding: 0; margin: 10px 0 0;
    font-family: var(--aper-font-caption); font-weight: 100; color: var(--aper-color-text); text-align: right;
}
.album-viewer:not(.is-fullscreen) .album-viewer__caption { padding: 0; }
.album-viewer .album-viewer__caption h3 { overflow: hidden; font: 100 13.6px/20.4px var(--aper-font-caption); letter-spacing: .5px; white-space: nowrap; text-overflow: ellipsis; }
.album-viewer:not(.is-fullscreen) .album-viewer__caption p {
    display: -webkit-box; overflow: hidden; margin-top: 0; color: var(--aper-color-text-muted);
    font: 100 12px/18px var(--aper-font-caption); -webkit-box-orient: vertical; -webkit-line-clamp: 2;
}
/* CJK full stops/commas carry a half-em of blank space after their ink.
   Trim only a terminal mark, preserving the text and the paragraph bounds. */
.album-viewer:not(.is-fullscreen) .album-viewer__terminal-punctuation { letter-spacing: -.5em; }
.album-viewer__meta {
    position: absolute; z-index: 12; top: var(--viewer-top); left: var(--viewer-gutter);
    max-width: calc(100% - 2 * var(--viewer-gutter) - 90px); overflow: hidden; margin: 0;
    color: var(--aper-color-text-muted); font: 300 12px/20.4px var(--aper-font-ui); letter-spacing: 1px; white-space: nowrap; text-overflow: ellipsis;
}
.album-viewer__meta strong { font: 100 13.6px/20.4px var(--aper-font-caption); color: var(--aper-color-text); }
.album-viewer__meta [data-viewer-current] { color: var(--aper-color-accent, #a33028); }
.album-viewer .album-viewer__control {
    width: var(--viewer-control); height: var(--viewer-control); border: 1px solid rgba(34,29,22,.4); border-radius: 50%; color: var(--aper-color-text); opacity: 1;
}
.album-viewer__control svg { width: 17px; height: 17px; }
.album-viewer .album-viewer__control--close { top: var(--viewer-top); right: var(--viewer-gutter); left: auto; }
.album-viewer .album-viewer__control--previous, .album-viewer .album-viewer__control--next {
    top: var(--aper-active-media-center, 50%); width: 40px; height: 40px; background: var(--aper-color-canvas);
}
.album-viewer .album-viewer__control--previous { left: var(--viewer-gutter); }
.album-viewer .album-viewer__control--next { right: var(--viewer-gutter); }
.album-viewer .album-viewer__actions { gap: 7px; opacity: 1; pointer-events: auto; }
.album-viewer .album-viewer__actions .album-viewer__control { width: 30px; height: 30px; color: #f4efe7; border-color: rgba(244,239,231,.58); background: rgba(23,20,16,.3); }
.album-viewer .album-viewer__comments-open {
    display: inline-flex; align-items: center;
    position: fixed; z-index: 12; inset: auto auto var(--viewer-bottom) var(--viewer-gutter);
    min-width: 44px; min-height: 28px; padding: 3px 0 0; margin: 0; border: 0; border-bottom: 1px solid var(--aper-color-accent);
    border-radius: 0; color: var(--aper-color-text-muted); background: transparent; font: 100 12px/18px var(--aper-font-caption); letter-spacing: 1px;
    visibility: visible; opacity: 1; pointer-events: auto;
}

/* .is-fullscreen also covers browsers without the element Fullscreen API. */
.album-viewer.is-fullscreen { background: #0d0d0d; color: #f4efe7; }
.album-viewer.is-fullscreen .album-viewer__backdrop, .album-viewer.is-fullscreen .album-viewer__vignette { display: block; }
.album-viewer.is-fullscreen .album-viewer__slide { display: flex; padding: 0; }
.album-viewer.is-fullscreen .album-viewer__media { position: absolute; max-width: 100%; max-height: 100%; }
.album-viewer.is-fullscreen .album-viewer__media img, .album-viewer.is-fullscreen .album-viewer__media video {
    max-width: 100vw; max-height: 100dvh; border: 0; border-radius: 0; background: transparent;
}
.album-viewer.is-fullscreen .album-viewer__caption {
    --caption-foreground: #f4f4f4; --caption-secondary: rgba(244,244,244,.78);
    position: absolute; right: auto; bottom: auto; min-height: 0; height: var(--aper-caption-height,162px);
    padding: 18px clamp(18px,2.1vw,32px) 34px; margin: 0; overflow: hidden;
    color: var(--caption-foreground); background: transparent; text-align: left; letter-spacing: 0; pointer-events: none;
    visibility: hidden; opacity: 0;
}
.album-viewer.is-fullscreen.is-caption-visible .album-viewer__slide.is-active .album-viewer__caption { visibility: visible; opacity: 1; pointer-events: auto; }
.album-viewer.is-fullscreen .album-viewer__caption h3 { margin: 0 0 4px; color: var(--caption-foreground); font: 100 17.6px/26.4px var(--aper-font-caption); letter-spacing: 0; text-align: left; }
.album-viewer.is-fullscreen .album-viewer__caption p { display: -webkit-box; overflow: hidden; margin: 0; color: var(--caption-secondary); font: 100 14.4px/21.6px var(--aper-font-caption); text-align: left; -webkit-box-orient: vertical; -webkit-line-clamp: var(--aper-caption-lines,3); }
.album-viewer.is-fullscreen .album-viewer__caption[data-tone="ink"] { --caption-foreground: #181818; --caption-secondary: rgba(24,24,24,.92); }
.album-viewer.is-fullscreen .album-viewer__caption[data-scrim="dark"] { background: linear-gradient(rgba(32,32,32,.40),rgba(18,18,18,.68)); }
.album-viewer.is-fullscreen .album-viewer__caption[data-scrim="light"] { background: linear-gradient(rgba(222,222,222,.55),rgba(206,206,206,.76)); }
.album-viewer.is-fullscreen .album-viewer__caption[data-mode="below"] { padding-top: 12px; padding-bottom: 30px; }
.album-viewer.is-fullscreen .album-viewer__meta, .album-viewer.is-fullscreen .album-viewer__meta strong { color: rgba(244,239,231,.8); }
.album-viewer.is-fullscreen .album-viewer__actions { top: var(--viewer-top); right: var(--viewer-gutter); left: auto; transform: none; gap: 8px; }
.album-viewer.is-fullscreen .album-viewer__actions .album-viewer__control { width: var(--viewer-control); height: var(--viewer-control); background: rgba(12,12,12,.12); border-color: rgba(244,239,231,.48); }
.album-viewer.is-fullscreen [data-viewer-fullscreen] { display: grid; }
.album-viewer.is-fullscreen .album-viewer__control--close { display: none; }
.album-viewer.is-fullscreen .album-viewer__control--previous, .album-viewer.is-fullscreen .album-viewer__control--next {
    top: 0; bottom: 0; width: max(56px,7vw); height: 100%; border: 0; border-radius: 0; color: rgba(244,239,231,.72); background: transparent; transform: none;
}
.album-viewer.is-fullscreen .album-viewer__control--previous { left: 0; justify-content: start; padding-left: 22px; }
.album-viewer.is-fullscreen .album-viewer__control--next { right: 0; justify-content: end; padding-right: 22px; }
.album-viewer.is-fullscreen.is-video-active .album-viewer__control--previous, .album-viewer.is-fullscreen.is-video-active .album-viewer__control--next { top: var(--aper-active-media-center,50%); bottom: auto; height: 40px; width: 40px; padding: 0; justify-content: center; transform: translateY(-50%); }
.album-viewer.is-fullscreen .album-viewer__comments-open { color: rgba(244,239,231,.92); border-color: var(--aper-color-accent); text-shadow: 0 1px 8px rgba(0,0,0,.72); }
.album-viewer__resolution { position: absolute; z-index: 13; top: var(--viewer-top); left: 50%; max-width: 40%; margin: 0; padding: 4px 8px; transform: translateX(-50%); color: rgba(244,239,231,.72); background: rgba(16,16,16,.42); font: 300 9px/1.7 var(--aper-font-ui); }
.album-viewer__resolution[hidden] { display: none; }

.album-viewer.album-viewer.is-idle .album-viewer__actions,
.album-viewer.album-viewer.is-idle .album-viewer__control,
.album-viewer.album-viewer.is-idle .album-viewer__meta,
.album-viewer.album-viewer.is-fullscreen.is-idle .album-viewer__comments-open { opacity: 0; pointer-events: none; }
@media (hover:hover) and (pointer:fine) {
    .album-viewer.is-fullscreen.is-idle .album-viewer__advance,
    .album-viewer.is-fullscreen.is-idle .album-viewer__control--previous,
    .album-viewer.is-fullscreen.is-idle .album-viewer__control--next { pointer-events: auto; }
    .album-viewer.is-fullscreen.is-idle, .album-viewer.is-fullscreen.is-idle * { cursor: none !important; }
}
.album-viewer.album-viewer.is-idle .album-viewer__control:focus-visible { opacity: 1; pointer-events: auto; }
.album-viewer .comment-panel { z-index: 30; color: var(--aper-color-text); background: var(--aper-color-canvas); border-color: var(--aper-color-divider); }
.album-viewer .comment-panel__body { min-height: 0; overflow: auto; overscroll-behavior: contain; }
.album-viewer .comment-scroll-hint { flex: 0 0 auto; margin: 0; padding: 7px 16px; border-top: 1px solid var(--aper-color-divider); color: var(--aper-color-text-muted); font: 100 12px/18px var(--aper-font-caption); text-align: right; }
.album-viewer .comment-scroll-hint[hidden], .album-viewer .comment-panel.is-collapsed .comment-scroll-hint { display: none; }
.album-viewer.is-fullscreen .comment-scroll-hint { color: rgba(244,239,231,.75); border-color: rgba(244,239,231,.2); }
.album-viewer.is-fullscreen .comment-panel { color: #f4efe7; background: #121212; border-color: rgba(244,239,231,.24); }
.album-viewer.is-fullscreen .comment-panel input, .album-viewer.is-fullscreen .comment-panel textarea { color: #f4efe7; background: rgba(255,255,255,.08); border-color: rgba(244,239,231,.26); }
@media (min-width:701px) and (max-width:1200px) {
    .album-main { padding-top: 52px; }
    .album-viewer.album-viewer { --viewer-control:38px; }
}
@media (min-width:701px) and (max-width:1100px) and (orientation:portrait) {
    .album-main { width: calc(100% - 2 * (var(--aper-page-gutter,40px) + .5em)); }
    .album-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
    .album-viewer .album-viewer__media img, .album-viewer .album-viewer__media video { max-width: calc(100vw - 150px); max-height: 38dvh; }
}
@media (max-width:700px) {
    .album-main { padding: 30px 0 96px; }
    .album-title { font-size: 32px; line-height: 48px; }
    .album-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px 12px; }
    .album-viewer.album-viewer { --viewer-control:32px; }
    .album-viewer .album-viewer__slide { justify-content: flex-start; padding-top: calc(var(--viewer-top) + var(--viewer-control) + 20px + clamp(20px,8dvh,90px)); }
    .album-viewer .album-viewer__media img, .album-viewer .album-viewer__media video { max-width: calc(100vw - 2 * var(--viewer-gutter)); max-height: 38dvh; }
    .album-viewer .album-viewer__caption { margin-top: 8px; }
    .album-viewer .album-viewer__control--previous, .album-viewer .album-viewer__control--next { display: none; }
    .album-viewer.is-fullscreen .album-viewer__slide { padding: 0; }
    .album-viewer.is-fullscreen .album-viewer__caption { padding: 12px 16px 30px; }
    .album-viewer.is-fullscreen .album-viewer__caption h3 { margin-bottom: 2px; }
    .album-viewer .comment-panel { top: var(--aper-top-clearance,56px); bottom: 0; max-height: calc(100dvh - var(--aper-top-clearance,56px)); padding-bottom: env(safe-area-inset-bottom,0px); }
    .album-viewer__resolution { top: calc(var(--viewer-top) + 38px); max-width: calc(100% - 36px); font-size: 8px; white-space: nowrap; }
}
@media (max-width:940px) and (orientation:landscape) and (max-height:520px) {
    .album-main { padding-top: 20px; }
    .album-title { font-size: 22.4px; line-height: 33.6px; }
    .album-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
    .album-viewer.album-viewer { --viewer-control:30px; }
    .album-viewer .album-viewer__slide { justify-content: center; padding: calc(var(--viewer-top) + var(--viewer-control) + 20px) var(--viewer-gutter) calc(var(--viewer-bottom) + 48px); }
    .album-viewer .album-viewer__media img, .album-viewer .album-viewer__media video { max-width:76vw; max-height: calc(100dvh - var(--viewer-top) - var(--viewer-control) - var(--viewer-bottom) - 122px); }
    .album-viewer.is-fullscreen .album-viewer__slide { padding: 0; }
    .album-viewer.is-fullscreen .album-viewer__caption { padding: 9px 14px 26px; }
    .album-viewer .comment-panel { inset: calc(var(--aper-top-clearance,24px) + 8px) 8px calc(env(safe-area-inset-bottom,0px) + 8px) auto; width:min(420px,calc(100vw - 16px)); max-height:calc(100dvh - var(--aper-top-clearance,24px) - env(safe-area-inset-bottom,0px) - 16px); }
}
@media (prefers-reduced-motion:reduce) {
    .album-card__media img, .album-viewer .album-viewer__slide, .album-viewer .album-viewer__caption { transition: none; }
    .album-card:hover .album-card__media img, .album-card:focus-visible .album-card__media img { transform: none; }
}