:root{color-scheme:light;--nav:#112840;--teal:#7fb8b2;--gold:#d8b783;--bg:#f3f6f8;--surface:#fff;--soft:#e9f3f1;--ink:#142b41;--muted:#496175;--line:#d6e1e8;--accent:#136560;--cream:#f5f3ec;font:16px/1.55 system-ui,-apple-system,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink)}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.15;letter-spacing:-.03em}
h1{font-size:clamp(2.05rem,4vw,3.25rem)}
h2{font-size:clamp(1.32rem,3vw,1.85rem)}
h3{font-size:1.19rem}
a{color:var(--accent)}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid #288e8a;outline-offset:3px}
[hidden]{display:none!important}
.frame{width:min(1150px,calc(100% - 36px));margin-inline:auto}
.top{background:#fff;border-bottom:1px solid var(--line)}
.top-inner{min-height:70px;display:flex;align-items:center;gap:24px}
.brand img{display:block;max-width:100%}
.top nav{display:flex;gap:20px;margin-left:auto}
.top nav a{text-decoration:none;color:var(--ink);font-weight:650;font-size:.88rem}
.pill{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;padding:3px 11px;font-size:.72rem;font-weight:750;white-space:nowrap}
.preview{background:#f3ebd9;color:#624719}
.live{background:var(--soft);color:#124e4a}
.pending{background:#edf0f3;color:#405568}
.context{padding:28px 0 17px}
.eyebrow{font-size:.72rem;text-transform:uppercase;letter-spacing:.13em;font-weight:850;color:var(--accent);margin-bottom:7px}
.intro{color:var(--muted);margin-top:9px;max-width:54ch}
.small{font-size:.78rem;color:var(--muted)}
.scenario{display:grid;grid-template-columns:1fr minmax(210px,290px);align-items:center;gap:12px 20px;margin-top:20px;padding:16px 20px;border:1px dashed #adc3d0;border-radius:12px}
.scenario h2{font-size:1.15rem}.scenario p:last-child{font-size:.8rem;color:var(--muted);margin-top:4px}
select,input:not([type=checkbox]){background:#fff;border:1px solid #adc3d0;min-height:44px;border-radius:9px;padding:8px 11px;width:100%;min-width:0}
.room{overflow:hidden;border:1px solid var(--line);border-radius:15px;background:#fff}
.room-head,.room-foot,.room-options{display:flex;align-items:center;justify-content:space-between;gap:10px 16px;padding:12px 16px;flex-wrap:wrap}
.room-head h2{font-size:1.18rem}
.room-identity{display:flex;align-items:center;gap:10px}
.room-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;color:var(--accent);background:var(--soft);font-weight:850}
.room-scene{position:relative;aspect-ratio:2.35;min-height:195px;isolation:isolate;overflow:hidden;background:var(--cream)}
.classroom-photo{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 48%}
.room-nameplate,.room-decoration{position:absolute;border:1px solid #23466a45;border-radius:5px;background:var(--cream);color:var(--ink);font-weight:750}
.room-nameplate{left:3%;top:5%;font-size:clamp(.65rem,1.25vw,.85rem);padding:4px 8px}
.room-decoration{right:12%;top:10%;display:grid;place-items:center;width:9%;aspect-ratio:1;font-size:clamp(.9rem,3vw,1.75rem);border:2px solid var(--gold)}
.room-fox{position:absolute;right:10%;bottom:13%;border:1px solid var(--line);border-radius:50%;background:#fff;padding:5px;display:grid;place-items:center;box-shadow:0 4px 12px #11284035}
.room-fox img{display:block;border-radius:50%}
.room-caption{display:grid;gap:1px}
.room-options{border-top:1px solid var(--line);background:var(--cream)}
.room-options label{font-size:.9rem;font-weight:650}
.work-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.work-card{display:grid;gap:7px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:12px}
.work-card p:not(.eyebrow){font-size:.85rem;color:var(--muted)}
.work-card .eyebrow{margin:0}
.work-note{margin-top:6px}
.actions{display:flex;gap:9px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;min-height:44px;padding:8px 14px;border-radius:9px;border:1px solid #adc3d0;background:#fff;color:var(--ink);font-weight:700;text-decoration:none;font-size:.88rem}
.button:hover{border-color:var(--accent);background:var(--soft)}
.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.primary:hover{background:#0e504c;color:#fff}
.library-search,.sharing{display:grid;grid-template-columns:1fr 1.2fr;align-items:center;gap:12px 24px;margin-top:20px;padding:19px 22px;border:1px solid var(--line);border-radius:14px;background:#fff}
#search{display:flex;gap:8px}
#search button{flex-shrink:0}
.search-result{grid-column:1/-1;border-top:1px solid var(--line);padding-top:12px}
.search-result ul{margin:8px 0;padding-left:22px}
.section-title{display:flex;justify-content:space-between;align-items:end;margin:34px 0 14px;gap:12px}
.cards{display:grid;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.card{display:grid;grid-template-columns:38px minmax(180px,1fr) minmax(130px,1.15fr) auto;align-items:center;gap:8px 14px;padding:10px 14px;min-width:0}
.card+.card{border-top:1px solid var(--line)}
.card p,.sharing p{font-size:.84rem;color:var(--muted)}
.card h3{font-size:1rem}
.card .actions{justify-content:flex-end}
.number{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:var(--soft);color:var(--accent);font-size:.77rem;font-weight:800}
.card-title{min-width:0}
.card-title .pill{margin-top:3px;min-height:22px;padding:1px 8px}
.sharing{grid-template-columns:1fr auto;margin-top:25px;background:var(--cream)}
.footer{display:flex;justify-content:space-between;gap:12px;padding:26px 0;color:var(--muted);font-size:.78rem}
dialog{width:min(520px,calc(100% - 28px));max-height:calc(100% - 28px);border:1px solid var(--line);border-radius:18px;padding:22px;color:var(--ink);background:#fff}
dialog::backdrop{background:#11284085}
.dialog-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
#detail-content{display:grid;gap:12px;margin-top:12px}
#detail-content ul{margin:0;padding-left:20px}
.skip,.sr-only{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
.skip:focus{clip-path:none;top:8px;left:8px;z-index:2;width:auto;height:auto;background:#fff;padding:8px}
@media(max-width:760px){
  .card{grid-template-columns:32px minmax(0,1fr) auto;gap:8px}
  .card>p{display:none}
}
@media(max-width:620px){
  .top nav{display:none}.top-inner{justify-content:space-between;gap:8px}
  .context{padding-top:22px}.room-scene{aspect-ratio:1.65}.room-foot .actions{width:100%}
  .work-grid,.library-search,.sharing,.scenario{grid-template-columns:1fr}
  .card{grid-template-columns:32px minmax(0,1fr)}
  .card .actions{grid-column:2;justify-content:start}
  .footer{flex-wrap:wrap}.sharing .button{justify-self:start}
}
@media(max-width:390px){#search{display:grid}.frame{width:calc(100% - 24px)}}