:root{
  color-scheme:dark;
  --night:#080f1c;
  --ink:#e4e5e2;
  --muted:#aab8c5;
  --line:#a6b6c329;
  --serif:Georgia,'Times New Roman','Songti SC',SimSun,serif
}
*{
  box-sizing:border-box
}
body{
  margin:0;
  background:var(--night);
  color:var(--ink);
  font:16px/1.7 Arial,'Microsoft YaHei',sans-serif
}
button,a{
  -webkit-tap-highlight-color:transparent
}
button{
  font:inherit;
  color:inherit;
  cursor:pointer
}
button:focus-visible,a:focus-visible,.viewport:focus-visible{
  outline:1px solid #ecdfba;
  outline-offset:5px
}
button{
  border:0
}
button:disabled{
  cursor:default
}
button:hover{
  color:#fff
}
button:focus-visible{
  border-radius:2px
}
[hidden]{
  display:none!important
}
.signature{
  position:fixed;
  top:6%;
  left:5%;
  z-index:3;
  pointer-events:none;
  text-shadow:0 2px 16px #000
}
.signature h1{
  font-size:14px;
  font-weight:400;
  letter-spacing:.25em;
  margin:0
}
.signature p{
  font:italic 19px var(--serif);
  margin:9px 0;
  color:#c5cbd0
}
.viewport{
  height:100svh;
  width:100%;
  overflow:hidden;
  position:relative;
  background:#080f1c
}
.room{
  position:absolute;
  left:50%;
  top:50%;
  width:max(100vw,177.68svh);
  height:max(100svh,56.28vw);
  transform:translate(calc(-50% + var(--px,0px)),calc(-50% + var(--py,0px))) scale(1.025);
  transform-origin:center;
  transition:transform 1.4s ease-out
}
.room-image{
  position:absolute;
  width:100%;
  height:100%;
  object-fit:fill;
  filter:brightness(.84) saturate(.75)
}
.window-weather{
  position:absolute;
  left:21%;
  top:0;
  width:72%;
  height:55%;
  overflow:hidden;
  pointer-events:none;
  transform:translate(var(--wx,0px),var(--wy,0px))
}
#rain{
  height:100%;
  width:100%;
  position:absolute;
  inset:0;
  opacity:.8
}
.fog{
  position:absolute;
  inset:-15%;
  background:radial-gradient(ellipse at 60% 50%,#adc9dc1a,transparent 65%);
  animation:drift 24s ease-in-out infinite alternate
}
.shade{
  position:fixed;
  inset:0;
  pointer-events:none;
  background:linear-gradient(#03091369,transparent 28%,transparent 66%,#030913d9),linear-gradient(90deg,#040b1440,transparent 30%,transparent 85%,#040b1440)
}
.objects{
  position:absolute;
  inset:0
}
.object{
  position:absolute;
  background:transparent;
  min-width:44px;
  min-height:44px;
  transition:background .6s,transform .8s
}
.object span{
  position:absolute;
  bottom:100%;
  left:50%;
  transform:translate(-50%,6px);
  opacity:0;
  white-space:nowrap;
  pointer-events:none;
  font:italic 25px var(--serif);
  text-shadow:0 2px 15px #000;
  background:#08111bc9;
  padding:9px 18px;
  border-radius:2px;
  transition:opacity .5s,transform .5s
}
.object span i{
  display:block;
  font:12px/2 Arial,'Microsoft YaHei',sans-serif;
  letter-spacing:.1em;
  color:#bdc8d0
}
.object:hover span,.object:focus-visible span,.object.active span{
  opacity:1;
  transform:translate(-50%,-4px)
}
.object:hover{
  background:#d2e4ea06
}
.camera{
  left:19%;
  top:56%;
  width:11%;
  height:14%
}
.television{
  left:71%;
  top:42%;
  width:18%;
  height:24%
}
.book{
  left:33%;
  top:60%;
  width:22%;
  height:11%;
  transform-origin:50% 100%
}
.book:hover{
  transform:perspective(600px) rotateX(-8deg)
}
.newspaper{
  left:52%;
  top:66%;
  width:22%;
  height:12%
}
.drawer{
  left:33%;
  top:84%;
  width:29%;
  height:12%
}
.drawer:hover{
  transform:translateY(5px);
  background:linear-gradient(transparent,#a8bbc912)
}
.envelope{
  left:76%;
  top:70%;
  width:17%;
  height:9%
}
.coin{
  left:30%;
  top:72%;
  width:4%;
  height:5%
}
.coin span{
  font-size:16px
}
.screen-light{
  position:absolute;
  left:72.5%;
  top:44.5%;
  width:11%;
  height:17%;
  border-radius:18%;
  background:radial-gradient(ellipse,#aacdde42,#829bb514 60%,transparent);
  opacity:0;
  pointer-events:none;
  transition:opacity 1.2s
}
.room:has(.television:hover) .screen-light,.room:has(.television:focus-visible) .screen-light,.room.films .screen-light{
  opacity:1
}
.room-footer{
  position:fixed;
  bottom:4%;
  left:5%;
  right:5%;
  z-index:4;
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:20px
}
.room-caption>span{
  font-size:12px;
  letter-spacing:.25em;
  color:#c1cbd2
}
.room-caption p{
  font:13px/1.8 Arial,'Microsoft YaHei',sans-serif;
  color:#aebbc7;
  margin:6px 0 0
}
.controls{
  display:flex;
  gap:25px
}
.controls button{
  background:none;
  font-size:13px;
  padding:10px 0;
  color:#c1cbd2;
  border-bottom:1px solid #bac9d52b
}
.controls button[aria-expanded=true]{
  border-color:#c1cbd2
}
#object-index{
  position:fixed;
  z-index:5;
  right:5%;
  bottom:110px;
  width:330px;
  background:#0b1628ef;
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  padding:16px 24px;
  box-shadow:0 20px 80px #0005
}
#object-index button{
  display:flex;
  justify-content:space-between;
  width:100%;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  background:none;
  text-align:left;
  font-size:14px
}
#object-index button:last-child{
  border:0
}
#object-index em{
  font:italic 19px var(--serif);
  color:var(--muted)
}
dialog{
  color:var(--ink);
  background:#101c2a;
  border:1px solid #9eb2c533;
  padding:0;
  width:min(760px,calc(100% - 40px));
  max-height:86svh;
  box-shadow:0 24px 100px #0009;
  overflow:auto
}
dialog::backdrop{
  background:#030914b0;
  backdrop-filter:blur(9px)
}
dialog[open]{
  animation:arrive .55s ease both
}
.panel-inner{
  padding:30px 44px 22px
}
.panel-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.08em
}
.panel-header button{
  background:none;
  padding:12px 0;
  min-height:44px;
  font-size:14px
}
.panel-inner h2{
  font:400 clamp(38px,6vw,62px)/1.2 var(--serif);
  margin:25px 0
}
.lede{
  font:20px/1.8 var(--serif);
  color:#d0d8de;
  max-width:550px
}
.quiet{
  color:var(--muted);
  font-size:14px;
  line-height:1.9
}
.panel-footer{
  margin-top:40px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:11px;
  letter-spacing:.12em;
  color:#9aaab9;
  display:flex;
  justify-content:space-between;
  gap:15px
}
.panel-footer span{
  font:italic 14px var(--serif);
  letter-spacing:0
}
.study{
  width:100%;
  aspect-ratio:1.8;
  object-fit:cover;
  border:8px solid #d3d0c5;
  box-shadow:0 15px 35px #0003;
  margin:16px 0
}
.study.zoom{
  object-fit:none;
  object-position:60% 33%;
  height:280px
}
.action{
  display:inline-block;
  background:#bacbd00b;
  padding:10px 16px;
  border:1px solid #a0b3c440;
  margin:16px 10px 0 0;
  font-size:14px;
  color:#d4dfe7;
  text-decoration:none
}
.action:hover{
  background:#bacbd018
}
.paper{
  background:#d2cfc3;
  color:#30383c;
  padding:30px;
  margin:24px 0;
  box-shadow:0 12px 30px #0003;
  font:18px/2 var(--serif)
}
.paper small{
  font:12px Arial;
  letter-spacing:.1em;
  color:#58616a
}
.paper p{
  margin:18px 0
}
.film-frame{
  position:relative;
  aspect-ratio:1.8;
  overflow:hidden;
  background:#050c14;
  margin-top:22px
}
.film-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:55% 25%;
  transform:scale(1.7);
  filter:brightness(.7)
}
.film-frame.playing img{
  animation:film 16s ease-in-out infinite alternate
}
.film-frame::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(#0009,transparent 18%,transparent 82%,#0009);
  pointer-events:none
}
.archive-list{
  padding:0;
  list-style:none
}
.archive-list li{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:14px 0;
  border-bottom:1px solid var(--line)
}
.archive-list button{
  background:none;
  text-align:left
}
.archive-list small{
  color:var(--muted);
  font-size:12px
}
.coin-face{
  display:grid;
  place-items:center;
  width:100px;
  height:100px;
  margin:30px auto;
  border:1px solid #bda575;
  border-radius:50%;
  box-shadow:inset 0 0 0 6px #947d4633;
  color:#d7be88;
  font:32px var(--serif)
}
.coin-face.flipping{
  animation:flip .65s ease
}
.noscript{
  position:fixed;
  z-index:8;
  bottom:20%;
  left:5%;
  right:5%;
  padding:24px;
  background:#080f1ce8
}
.still .fog,.still .film-frame.playing img{
  animation:none
}
.still .room{
  transform:translate(-50%,-50%) scale(1.025);
  transition:none
}
.still *{
  animation:none!important;
  transition:none!important
}
@keyframes drift{
  from{
    transform:translate(-3%,-2%);
    opacity:.4
  }
  to{
    transform:translate(3%,2%);
    opacity:1
  }
}
@keyframes arrive{
  from{
    opacity:0;
    transform:translateY(14px)
  }
  to{
    opacity:1;
    transform:none
  }
}
@keyframes film{
  from{
    transform:scale(1.7) translateX(-3%)
  }
  to{
    transform:scale(1.9) translateX(3%)
  }
}
@keyframes flip{
  50%{
    transform:rotateY(90deg)
  }
}
@media(max-width:700px){
  .signature{
    top:30px;
    left:24px
  }
  .signature h1{
    font-size:12px
  }
  .signature p{
    font-size:18px
  }
  .viewport{
    overflow-x:auto;
    overflow-y:hidden;
    scrollbar-width:none;
    touch-action:pan-x
  }
  .viewport::-webkit-scrollbar{
    display:none
  }
  .room{
    position:relative;
    left:0;
    top:0;
    width:max(100vw,148svh);
    height:100svh;
    transform:none!important;
    transition:none
  }
  .room-image{
    object-fit:fill
  }
  .shade{
    background:linear-gradient(#03091380,transparent 30%,transparent 70%,#030913f0)
  }
  .room-footer{
    left:24px;
    right:24px;
    bottom:22px;
    display:block;
    pointer-events:none
  }
  .controls{
    justify-content:space-between;
    gap:12px;
    margin-top:12px;
    pointer-events:auto
  }
  .room-caption p{
    font-size:12px
  }
  .room-caption>span{
    font-size:11px
  }
  #object-index{
    left:24px;
    right:24px;
    width:auto;
    bottom:156px
  }
  .object span{
    font-size:21px
  }
  .object span i{
    font-size:12px
  }
  .fog{
    animation:none
  }
  .window-weather{
    transform:none
  }
  .panel-inner{
    padding:18px 24px
  }
  .panel-header{
    font-size:11px
  }
  .panel-footer{
    display:block
  }
  .panel-footer span{
    display:block;
    margin-top:8px
  }
  dialog{
    max-height:88svh;
    width:calc(100% - 28px)
  }
  .paper{
    padding:22px
  }
  .lede{
    font-size:18px
  }
}
.room-footer{
  pointer-events:none
}
.controls{
  pointer-events:auto
}
#object-index{
  max-height:60svh;
  overflow-y:auto
}
/* Lift the actual paper/drawer texture with the hotspot;
geometry matches scene coordinates. */
.book::before,.drawer::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:url('assets/room.webp');
  filter:brightness(.84) saturate(.75);
  pointer-events:none;
  opacity:0;
  transition:opacity .5s
}
.book::before{
  background-size:454.545% 909.09%;
  background-position:42.3077% 67.4157%
}
.drawer::before{
  background-size:344.828% 833.333%;
  background-position:46.4789% 95.4545%
}
.book:hover::before,.book:focus-visible::before,.drawer:hover::before,.drawer:focus-visible::before{
  opacity:1
}
.object span{
  z-index:1
}
@media(max-height:500px) and (min-width:701px){
  .room{
    width:100vw;
    height:100svh
  }
  .signature{
    top:20px
  }
  .room-footer{
    bottom:15px
  }
  .room-caption p{
    display:none
  }
  #object-index{
    bottom:74px;
    max-height:65svh
  }
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation:none!important;
    transition:none!important
  }
  .room{
    transform:translate(-50%,-50%) scale(1.025)
  }
}

/* V3: one shared, one-second passage for every action. */
.lamp{left:0;top:27%;width:12%;height:38%}.lamp span{left:75%;bottom:80%;font-style:normal}
.lamp-glow{position:absolute;left:0;top:26%;width:24%;height:49%;pointer-events:none;background:radial-gradient(ellipse at 24% 25%,#eac58b55,transparent 68%);opacity:.12;transition:opacity 1s}
body[data-passage=cards] .lamp-glow{opacity:1}
.passage{position:fixed;inset:0;z-index:30;pointer-events:none;display:grid;place-items:center;opacity:0;background:radial-gradient(ellipse at 40% 45%,#26394a66,#030916dd);color:#dfe5e9;font:22px var(--serif);letter-spacing:.16em}
.passage span{padding:18px;text-align:center;text-shadow:0 2px 16px #000}
.passing .passage{animation:passage 1s ease-in-out both;pointer-events:auto}
.passing .window-weather{animation:weather-out 1s ease both}
.passing .object.active{background:#d2e4ea12}
body[data-passage=cards] .passage{background:radial-gradient(ellipse at 12% 42%,#896b3a66,#030916ee)}
@keyframes passage{0%{opacity:0;backdrop-filter:blur(0)}40%{opacity:.72}85%,100%{opacity:1;backdrop-filter:blur(5px)}}
@keyframes weather-out{to{opacity:.2}}
#sound-hint{position:fixed;right:5%;bottom:90px;z-index:6;color:#bdc8d0;font-size:12px;pointer-events:none}
#sound{min-width:100px}.controls button{min-height:44px}
dialog[open]{animation:none}.coin-face.flipping{animation:none}
.still.passing .passage{animation:passage-still 1s ease both!important}
@keyframes passage-still{0%{opacity:0}40%{opacity:.6}100%{opacity:1}}
@media(prefers-reduced-motion:reduce){.passing .passage{animation:passage-still 1s ease both!important;backdrop-filter:none}.passing .window-weather{animation:none!important}}
@media(max-width:700px){.controls{gap:10px;flex-wrap:wrap}.controls button{font-size:12px}#sound-hint{right:24px;bottom:154px}.lamp span{left:100%}#object-index{bottom:178px;max-height:55svh}}

.day-scene{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;opacity:var(--daylight,0);pointer-events:none;transition:opacity 15s linear;filter:brightness(.87) saturate(.76)}
.local-clock{display:inline-block;margin-left:18px;font-size:11px!important;letter-spacing:.03em!important;color:#c7d5df!important}.local-clock time{font-variant-numeric:tabular-nums}
html[data-time-of-day=dawn] .day-scene,html[data-time-of-day=dusk] .day-scene{filter:brightness(.85) saturate(.7) sepia(.15)}
html[data-time-of-day=day] .book::before,html[data-time-of-day=day] .drawer::before{background-image:url('assets/room-day.webp')}
@media(prefers-reduced-motion:reduce){.day-scene{transition:none}}