/* 光影档案 · WonG: shared motion, with native input and scrolling preserved. */
:root {
  --motion-duration: 620ms;
  --motion-strength: 1;
  --fx-ease: cubic-bezier(.22,.8,.2,1);
  --fx-olive: #656c48;
}
html { scrollbar-gutter: stable; }
body.effects-ready .site-shell { opacity: 1; filter: none; }
body.effects-ready .cursor-mark { display: none; }
body.effects-ready .fx-takeover { animation: none !important; }
body.effects-ready .fx-takeover.reveal-item,
body.effects-ready .fx-takeover.reveal-section,
body.effects-ready .fx-takeover.photo-card { opacity: 1; transform: none; }
body.effects-ready .fx-reveal {
  opacity: 1;
  translate: 0 0;
  transition: opacity var(--motion-duration) var(--fx-ease) var(--fx-stagger,0ms),
    translate var(--motion-duration) var(--fx-ease) var(--fx-stagger,0ms);
}
html[data-wong-motion="full"] body.effects-scroll-reveal .fx-reveal:not(.is-visible) {
  opacity: 0;
  translate: 0 calc(14px * var(--motion-strength));
}
body.effects-ready:not(.effects-scroll-reveal) .fx-reveal {
  opacity: 1;
  translate: none;
  transition: none;
}
/* No legacy perpetual callout animation. */
body.effects-ready .scroll-callout svg { animation: none; }
.fx-grain {
  position: fixed;
  inset: 0;
  z-index: 80;
  opacity: .028;
  pointer-events: none;
  background-image: radial-gradient(#413d31 .65px,transparent .8px),radial-gradient(#fffaf0 .55px,transparent .8px);
  background-size: 5px 7px,7px 5px;
  background-position: 0 0,3px 3px;
  contain: strict;
}
body:not(.effects-film-grain) .fx-grain { display: none; }
.fx-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 100;
  background: var(--fx-olive);
  transform: scaleX(var(--reading-progress,0));
  transform-origin: left;
  pointer-events: none;
  opacity: .65;
}
body:not(.effects-scroll-reveal) .fx-reading-progress { display: none; }
@supports (animation-timeline: scroll()) {
  .fx-reading-progress {
    animation: fx-reading linear both;
    animation-timeline: scroll(root block);
  }
  @keyframes fx-reading { from { transform: scaleX(0); } to { transform: scaleX(1); } }
}
.fx-image { position: relative; }
.fx-focus-corners {
  position: absolute;
  inset: 9px;
  z-index: 3;
  pointer-events: none;
  border: 0;
  opacity: 0;
  background:
    linear-gradient(var(--fx-olive),var(--fx-olive)) left top / 18px 1px,
    linear-gradient(var(--fx-olive),var(--fx-olive)) left top / 1px 18px,
    linear-gradient(var(--fx-olive),var(--fx-olive)) right top / 18px 1px,
    linear-gradient(var(--fx-olive),var(--fx-olive)) right top / 1px 18px,
    linear-gradient(var(--fx-olive),var(--fx-olive)) left bottom / 18px 1px,
    linear-gradient(var(--fx-olive),var(--fx-olive)) left bottom / 1px 18px,
    linear-gradient(var(--fx-olive),var(--fx-olive)) right bottom / 18px 1px,
    linear-gradient(var(--fx-olive),var(--fx-olive)) right bottom / 1px 18px;
  background-repeat: no-repeat;
  transition: opacity 260ms ease 120ms,inset var(--motion-duration) var(--fx-ease);
}
body.effects-image-hover .fx-image img {
  transition: transform var(--motion-duration) var(--fx-ease),filter 360ms ease;
}
body.effects-image-hover .fx-image:is(:hover,:focus-visible,:focus-within) > .fx-focus-corners { opacity: .85; inset: 6px; }
body.effects-image-hover .fx-image:is(:hover,:focus-visible,:focus-within) img { transform: scale(1.045); }
body.effects-image-hover .fx-image::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(ellipse at var(--fx-card-x,50%) var(--fx-card-y,50%),rgba(255,231,172,.17),transparent 65%);
  transition: opacity 360ms ease;
}
body.effects-image-hover .fx-image:is(:hover,:focus-within)::after { opacity: 1; }
@media (hover: hover) and (pointer: fine) and (min-width: 761px) {
  body.effects-image-hover .fx-image {
    /* A small tilt preserves page-specific film and selected-card transforms. */
    rotate: var(--fx-tilt-y,0deg);
    transition: rotate 240ms var(--fx-ease),box-shadow 420ms ease;
  }
  body.effects-image-hover .fx-image:hover { box-shadow: 0 12px 26px rgba(62,50,27,.08); }
  body.effects-image-hover .fx-magnet {
    translate: var(--fx-magnet-x,0px) var(--fx-magnet-y,0px);
    transition: translate 220ms var(--fx-ease);
  }
}
body.effects-ready :is(.archive-button,.outline-button,.primary-button,.secondary-button) {
  text-underline-offset: .25em;
  transition: background-color 220ms ease,color 220ms ease,translate 220ms var(--fx-ease);
}
body.effects-image-hover :is(.archive-button,.outline-button,.primary-button,.secondary-button):hover { text-decoration-thickness: 1px; }
.fx-click-ring {
  position: fixed;
  width: 32px;
  height: 32px;
  margin: -16px 0 0 -16px;
  border: 1px solid var(--fx-olive);
  border-radius: 50%;
  z-index: 2147482200;
  pointer-events: none;
}
.wong-trail {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2147482300;
  pointer-events: none;
}
.wong-pointer-dot {
  position: fixed;
  left: -2.5px;
  top: -2.5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--fx-olive);
  opacity: 0;
  pointer-events: none;
  z-index: 2147482301;
}
body:not(.effects-cursor) :is(.wong-trail,.wong-pointer-dot) { display: none; }
/* Scroll-driven photo arrival. IntersectionObserver above is the fallback. */
@supports (animation-timeline: view()) {
  html[data-wong-motion="full"] body.effects-scroll-reveal :is(.gallery-grid .photo-card-image,.photo-grid .photo-image) img {
    animation: fx-photo-arrive linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 85%;
  }
  @keyframes fx-photo-arrive {
    from { opacity: .48; translate: 0 14px; }
    to { opacity: 1; translate: 0 0; }
  }
}
body.effects-page-transition [data-detail-image] { view-transition-name: wong-detail-photo; }
body.effects-page-transition :is(.gallery-grid,.photo-grid) { view-transition-name: wong-gallery; }
/* Same- and cross-document View Transitions; unsupported browsers navigate normally. */
::view-transition-group(*) { animation-duration: var(--motion-duration); animation-timing-function: var(--fx-ease); }
::view-transition-old(root) { animation: fx-page-out var(--motion-duration) var(--fx-ease) both; }
::view-transition-new(root) { animation: fx-page-in var(--motion-duration) var(--fx-ease) both; }
::view-transition-group(wong-shared-photo) { z-index: 2; }
::view-transition-old(wong-shared-photo),
::view-transition-new(wong-shared-photo) { height: 100%; object-fit: cover; mix-blend-mode: normal; }
html[data-wong-transition="iris"]::view-transition-new(root) { animation-name: fx-iris-in; }
html[data-wong-transition="curtain"]::view-transition-new(root) { animation-name: fx-curtain-in; }
html[data-wong-transition="iris"]::view-transition-old(root),
html[data-wong-transition="curtain"]::view-transition-old(root) { animation-name: fx-page-still; }
@keyframes fx-page-out { to { opacity: 0; translate: 0 -5px; } }
@keyframes fx-page-in { from { opacity: 0; translate: 0 8px; } to { opacity: 1; translate: 0 0; } }
@keyframes fx-page-still { to { opacity: 1; } }
@keyframes fx-iris-in { from { clip-path: circle(0% at 50% 50%); } to { clip-path: circle(150% at 50% 50%); } }
@keyframes fx-curtain-in { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0); } }
body.has-photo-lightbox { overflow: hidden; }
.fx-open-photo {
  justify-self: end;
  min-height: 44px;
  padding: .5rem .75rem;
  border: 0;
  border-bottom: 1px solid rgba(101,108,72,.36);
  background: transparent;
  color: var(--olive,var(--fx-olive));
  font: inherit;
  font-size: .75rem;
  cursor: pointer;
}
.fx-expandable { cursor: zoom-in; }
.photo-lightbox {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 4.25rem clamp(1rem,5vw,5rem) 1.2rem;
  border: 0;
  color: #f5f0e6;
  background: rgba(27,27,23,.97);
  display: grid;
  grid-template-rows: minmax(0,1fr) auto;
  gap: .8rem;
  overflow: hidden;
}
.photo-lightbox:not([open]) { display: none; }
.photo-lightbox::backdrop { background: rgba(25,25,22,.7); }
.photo-lightbox__figure {
  min-height: 0;
  min-width: 0;
  margin: 0;
  display: grid;
  grid-template-rows: minmax(0,1fr) auto;
  justify-items: center;
  align-items: center;
  gap: .75rem;
}
.photo-lightbox__image {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
}
/* Photography's selected album frame: 03, a neutral film rebate.
   Size is fitted around the uncropped photo; other page lightboxes keep their layout. */
.photo-lightbox[data-photo-frame="film"] .photo-lightbox__film {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  padding: 26px 28px 30px;
  border: 1px solid #4d4f41;
  background: #10120f;
  box-shadow: 0 18px 38px rgba(0,0,0,.45);
}
.photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::before,
.photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::after {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  width: 9px;
  background: radial-gradient(ellipse at center,#c7bda1 0 45%,transparent 52%) 0 0 / 9px 18px repeat-y;
  pointer-events: none;
}
.photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::before { left: 7px; }
.photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::after { right: 7px; }
.photo-lightbox[data-photo-frame="film"] .photo-lightbox__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.photo-lightbox[data-photo-frame="film"] .photo-lightbox__caption {
  max-width: 100%;
  overflow-wrap: anywhere;
}
.photo-lightbox__film-brand,
.photo-lightbox__film-title {
  position: absolute;
  max-width: calc(100% - 56px);
  overflow: hidden;
  color: #b6a676;
  font: 9px/1 "Courier New",monospace;
  letter-spacing: .18em;
  white-space: nowrap;
  text-overflow: ellipsis;
  text-transform: uppercase;
  pointer-events: none;
}
.photo-lightbox__film-brand { top: 9px; right: 28px; color: #c0ac72; }
.photo-lightbox__film-title { bottom: 9px; left: 28px; }
@media (max-width: 680px) {
  .photo-lightbox[data-photo-frame="film"] .photo-lightbox__film { padding: 22px 18px 26px; }
  .photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::before,
  .photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::after {
    top: 16px;
    bottom: 16px;
    width: 6px;
    background-size: 6px 15px;
  }
  .photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::before { left: 5px; }
  .photo-lightbox[data-photo-frame="film"] .photo-lightbox__film::after { right: 5px; }
  .photo-lightbox__film-brand,
  .photo-lightbox__film-title { max-width: calc(100% - 36px); font-size: 8px; letter-spacing: .08em; }
  .photo-lightbox__film-brand { right: 18px; top: 8px; }
  .photo-lightbox__film-title { left: 18px; bottom: 9px; }
}

.photo-lightbox__caption { font-size: .82rem; letter-spacing: .04em; text-align: center; }
.photo-lightbox__controls { display: flex; justify-content: center; align-items: center; gap: 1.25rem; }
.photo-lightbox button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid rgba(245,240,230,.35);
  border-radius: 2px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
}
.photo-lightbox button:hover { background: rgba(245,240,230,.1); }
.photo-lightbox button:disabled { opacity: .3; cursor: default; }
.photo-lightbox button:focus-visible { outline: 2px solid #c5cca4; outline-offset: 4px; }
.photo-lightbox__close { position: absolute; top: 1rem; right: clamp(1rem,3vw,3rem); padding: .5rem 1rem; }
.photo-lightbox__count { min-width: 5rem; text-align: center; font: .75rem ui-monospace,monospace; opacity: .75; }
.fx-photo-morph { position: fixed; z-index: 5; max-width: none; max-height: none; object-fit: cover; transform-origin: top left; pointer-events: none; }
.fx-preferences {
  position: fixed;
  right: clamp(.7rem,2vw,1.15rem);
  bottom: clamp(.7rem,2vw,1.15rem);
  z-index: 110;
  max-width: min(18rem,calc(100vw - 2rem));
  border: 1px solid rgba(101,108,72,.25);
  border-radius: 4px;
  color: #4b5039;
  background: rgba(250,247,239,.96);
  box-shadow: 0 8px 28px rgba(53,47,34,.08);
  font: .75rem/1.5 system-ui,sans-serif;
}
.fx-preferences summary { padding: .6rem .85rem; cursor: pointer; min-height: 40px; }
.fx-preferences__body { width: 16rem; padding: .2rem .85rem .85rem; display: grid; gap: .7rem; }
.fx-preferences label { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.fx-preferences select { width: 8rem; padding: .4rem; border: 1px solid #c9c9b8; background: #fffdf6; color: inherit; font: inherit; }
.fx-preferences__reduce { justify-content: start !important; }
.fx-preferences input { accent-color: #656c48; }
.fx-preferences p { margin: 0; max-width: 100%; color: #6b705a; font-size: .68rem; }
.fx-preferences :focus-visible { outline: 2px solid #656c48; outline-offset: 3px; }
.admin-access-link {
  position: fixed;
  bottom: clamp(.7rem,2vw,1.15rem);
  left: clamp(.7rem,2vw,1.15rem);
  z-index: 110;
  display: inline-grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border: 1px solid rgba(80,63,38,.2);
  border-radius: 999px;
  background: rgba(244,240,232,.42);
  color: rgba(31,27,22,.5);
  font: 700 .58rem/1 var(--mono,ui-monospace,monospace);
  letter-spacing: .12em;
  text-decoration: none;
  opacity: .42;
  backdrop-filter: blur(7px);
  box-shadow: 0 8px 18px rgba(41,31,19,.04);
  transition: width 180ms ease,opacity 180ms ease,background-color 180ms ease;
}
.admin-access-link::after { display: inline-block; width: 0; overflow: hidden; white-space: nowrap; opacity: 0; content: "Admin"; transition: width 180ms ease,margin-left 180ms ease,opacity 160ms ease; }
.admin-access-link:is(:hover,:focus-visible) { width: 5.25rem; background: rgba(251,248,241,.9); color: #4b5039; opacity: .92; }
.admin-access-link:is(:hover,:focus-visible)::after { width: 2.4rem; margin-left: .38rem; opacity: .82; }
html[data-wong-motion="reduced"],
html[data-wong-motion="reduced"] body.effects-ready * { scroll-behavior: auto !important; }
html[data-wong-motion="reduced"] body.effects-ready *,
html[data-wong-motion="reduced"] body.effects-ready *::before,
html[data-wong-motion="reduced"] body.effects-ready *::after {
  animation-duration: .01ms !important;
  animation-iteration-count: 1 !important;
  animation-delay: 0ms !important;
  transition-duration: .01ms !important;
  transition-delay: 0ms !important;
}
html[data-wong-motion="reduced"] body.effects-ready .fx-image img { transform: none !important; }
html[data-wong-motion="reduced"] body.effects-ready :is(.fx-takeover,.fx-image,.fx-magnet,.fx-image img) {
  animation: none !important;
  transition-duration: .01ms !important;
  transition-delay: 0ms !important;
  opacity: 1 !important;
  translate: none !important;
  rotate: none !important;
}
html[data-wong-motion="reduced"] body.effects-ready :is(.reveal-item,.reveal-section,.photo-card) { opacity: 1 !important; animation: none !important; }
html[data-wong-motion="reduced"] :is(.wong-trail,.wong-pointer-dot,.fx-click-ring) { display: none !important; }
html[data-wong-motion="reduced"]::view-transition-group(*),
html[data-wong-motion="reduced"]::view-transition-old(*),
html[data-wong-motion="reduced"]::view-transition-new(*) { animation-duration: .01ms !important; }
@media (hover: none), (pointer: coarse), (max-width: 760px) {
  :is(.wong-trail,.wong-pointer-dot) { display: none !important; }
  body.effects-image-hover .fx-image { rotate: none; box-shadow: none; }
  body.effects-image-hover .fx-image:hover img { transform: none; }
  .fx-preferences { bottom: max(.7rem,env(safe-area-inset-bottom)); }
  .photo-lightbox { padding: 4rem .85rem max(.85rem,env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  body.effects-ready *,body.effects-ready *::before,body.effects-ready *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  animation-delay: 0ms !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
  body.effects-ready :is(.reveal-item,.reveal-section,.photo-card,.fx-reveal) { opacity: 1 !important; translate: none !important; }
  :is(.wong-trail,.wong-pointer-dot,.fx-click-ring) { display: none !important; }
}
/* Native hidden state must win over page layout display rules. */
[hidden], [data-cms-hidden="true"] { display: none !important; }

[data-cms-loading="true"] { visibility: hidden; }

/* Shared playback controls: paper/olive buttons with state-driven icons. */
body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback) {
  --playback-surface: var(--paper-soft,#fbf8f1);
  --playback-ink: var(--olive-dark,#3f4a35);
  --playback-line: var(--line-strong,#b9ad9b);
  --playback-hover: var(--paper,#f4f0e8);
  --playback-focus: var(--olive,#5f6f52);
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  box-sizing: border-box;
  width: 36px;
  height: 32px;
  min-width: 36px;
  min-height: 32px;
  padding: 0;
  border: 1px solid var(--playback-line);
  border-radius: 2px;
  background: var(--playback-surface);
  color: var(--playback-ink);
  font-size: 0;
  line-height: 1;
  letter-spacing: 0;
  cursor: pointer;
  transition: background-color 150ms ease,border-color 150ms ease;
}
body :is(.featured-showcase-toggle,.showcase-toggle) { position: relative; }
body .film-playback {
  --playback-surface: #171913;
  --playback-ink: #ded5b9;
  --playback-line: #72745b;
  --playback-hover: #262a20;
  --playback-focus: #d7ca9e;
}
body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback)::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 12px;
  border: 0;
  background: linear-gradient(to right,currentColor 0 3px,transparent 3px 8px,currentColor 8px 11px);
  transform: translate(-50%,-50%);
  pointer-events: none;
}
body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback)[aria-pressed="true"]::before {
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid currentColor;
  background: none;
  transform: translate(-40%,-50%);
}
body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback):hover:not(:disabled) {
  border-color: var(--playback-ink);
  background: var(--playback-hover);
}
body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback):focus-visible {
  outline: 2px solid var(--playback-focus);
  outline-offset: 3px;
}
body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback):disabled {
  opacity: .45;
  cursor: default;
}
body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback)[hidden] { display: none; }
@media (pointer: coarse), (hover: none), (max-width: 680px) {
  body :is(.featured-showcase-toggle,.showcase-toggle,.film-playback) {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
  }
}