:root{--plum:#7d6493;--plum-ink:#4a3a5a;--plum-soft:rgba(125,100,147,.12);--cream:#f5f1ea;--paper:#faf7f2;--oak:#c9a978;--ink:#2b2622;--muted:#7a716a;--line:rgba(125,100,147,.22);--ok:#3f7a58;--warn:#a8632a;--ground:#e9e3d9}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--ground);color:var(--ink);font-family:"Avenir Next","Segoe UI",Helvetica,Arial,sans-serif;font-size:14px;line-height:1.45}
a{color:var(--plum-ink)}
button{font:inherit}
.wordmark{font-weight:700;letter-spacing:0;text-transform:none;font-size:14px;color:var(--plum-ink)}
.wordmark small{display:block;font-weight:400;letter-spacing:0;text-transform:none;color:var(--muted);font-size:11.5px}
/* landing */
.land{max-width:1040px;margin:0 auto;padding:28px 24px 60px}
.land header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:40px;line-height:1.08;margin:0 0 14px;font-weight:600;letter-spacing:-.01em;text-wrap:balance}
.hero p{font-size:16px;color:var(--muted);max-width:52ch;margin:0 0 18px}
.drop{border:1.5px dashed var(--plum);border-radius:8px;background:var(--paper);padding:34px 22px;text-align:center;cursor:pointer;transition:background .15s}
.drop.over,.drop:hover{background:#fff}
.drop strong{display:block;font-size:15px;margin-bottom:4px}
.drop span{color:var(--muted);font-size:12.5px}
.btn{border:1px solid var(--plum);background:none;color:var(--plum-ink);border-radius:5px;padding:9px 14px;cursor:pointer;font-size:13.5px}
.btn:hover{background:var(--plum-soft)}
.btn.primary{background:var(--plum);color:#fff}
.btn.primary:hover{background:var(--plum-ink)}
.btn:disabled{opacity:.5;cursor:default}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.steps div{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:18px}
.steps b{display:block;margin-bottom:6px;font-size:14px}
.steps p{margin:0;color:var(--muted);font-size:13px}
.frame{background:var(--paper);border:1px solid var(--line);border-radius:8px;overflow:hidden;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center}
.frame img{width:100%;height:100%;object-fit:cover;display:block}
.frame canvas{width:100%;height:100%;display:block;pointer-events:none}
.status{margin-top:8px;font-size:13px;color:var(--muted);min-height:0}
footer{margin-top:36px;color:var(--muted);font-size:12px}
/* workspace */
.app{display:grid;grid-template-columns:340px 1fr;grid-template-rows:52px 1fr;height:100%}
.top{grid-column:1/3;display:flex;align-items:center;gap:16px;padding:0 16px;background:var(--paper);border-bottom:1px solid var(--line)}
.top .name{font-weight:600;font-size:15px;flex:0 0 auto}
.top .sub{color:var(--muted);font-size:12px}
.seg{display:flex;border:1px solid rgba(125,100,147,.35);border-radius:5px;overflow:hidden}
.priv{margin-left:auto;display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);white-space:nowrap}
.priv input{accent-color:var(--plum)}
.btn.small{padding:5px 10px;font-size:12px}
.gallery{margin-top:36px}
.gallery h2{font-size:18px;font-weight:600;margin:0 0 4px}
.gallery p{margin:0 0 14px;color:var(--muted);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.card{display:block;text-decoration:none;color:inherit;background:var(--paper);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.card:hover{border-color:var(--plum)}
.card .th{aspect-ratio:16/10;background:#ddd6cc;overflow:hidden}
.card img{width:100%;height:100%;object-fit:cover;display:block}
.card b{display:block;padding:8px 10px 2px;font-size:13.5px}
.card span{display:block;padding:0 10px 9px;font-size:12px;color:var(--muted)}
.seg button{background:none;border:0;padding:7px 12px;color:var(--muted);cursor:pointer;font-size:12.5px}
.seg button.on{background:var(--plum);color:#fff}
.seg button:disabled{opacity:.45;cursor:default}
.side{display:flex;flex-direction:column;background:var(--paper);border-right:1px solid var(--line);min-height:0}
.chat{flex:1;overflow:auto;padding:14px 14px 6px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:92%;padding:9px 12px;border-radius:8px;font-size:13.5px;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:var(--plum);color:#fff;border-bottom-right-radius:2px}
.msg.assistant{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:2px}
.msg.system{align-self:center;background:none;color:var(--muted);font-size:12px;text-align:center}
.msg .chip{display:inline-block;margin-top:6px;font-size:11.5px;color:var(--ok);background:rgba(63,122,88,.1);border-radius:3px;padding:2px 6px}
.typing{align-self:flex-start;color:var(--muted);font-size:12.5px;padding:4px 12px}
.typing i{display:inline-block;width:6px;height:6px;border-radius:3px;background:var(--plum);margin-right:3px;animation:b 1s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes b{0%,100%{opacity:.25}50%{opacity:1}}
.compose{border-top:1px solid var(--line);padding:10px 12px;display:flex;gap:8px;align-items:flex-end}
.compose textarea{flex:1;resize:none;border:1px solid var(--line);border-radius:6px;padding:9px 10px;font:inherit;font-size:13.5px;min-height:40px;max-height:140px;background:#fff}
.compose textarea:focus{outline:2px solid var(--plum-soft);border-color:var(--plum)}
.compose button{height:40px}
.hintline{padding:0 14px 10px;color:var(--muted);font-size:11.5px}
.chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 14px 8px}
.chips button{border:1px solid var(--line);background:#fff;color:var(--plum-ink);border-radius:14px;padding:4px 10px;font-size:11.5px;cursor:pointer}
.chips button:hover{border-color:var(--plum);background:var(--plum-soft)}
.pair{display:flex;gap:6px;margin-top:8px}
.pair figure{margin:0;flex:1;min-width:0}
.pair img{width:100%;display:block;border-radius:4px;border:1px solid var(--line);background:#fff}
.pair figcaption{font-size:10.5px;color:var(--muted);margin-top:2px;text-align:center}
.stage{position:relative;min-width:0;min-height:0}
canvas#c{display:block;width:100%;height:100%;touch-action:none;-webkit-user-select:none;user-select:none}
.panel{position:absolute;left:14px;top:14px;width:224px;background:rgba(250,247,242,.94);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:6px;padding:10px 12px}
.panel .rooms button{display:flex;justify-content:space-between;width:100%;background:none;border:0;border-top:1px solid var(--line);padding:6px 2px;font:inherit;font-size:12.5px;color:var(--ink);cursor:pointer;text-align:left;gap:8px}
.panel .rooms button:first-child{border-top:0}
.panel .rooms button span{color:var(--muted);font-size:11px;text-align:right}
.panel .rooms button.on{color:var(--plum-ink);font-weight:600}
.panel .ctl{border-top:1px solid var(--line);margin-top:6px;padding-top:8px;font-size:12px}
.panel label{display:flex;justify-content:space-between;margin-bottom:3px}
.panel input[type=range]{width:100%;accent-color:var(--plum)}
.panel .chk{display:flex;align-items:center;gap:6px;margin-top:6px}
.hint{position:absolute;right:14px;bottom:12px;font-size:11.5px;color:var(--muted);background:rgba(250,247,242,.85);padding:5px 9px;border-radius:4px}
.cap{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);font-size:12.5px;color:var(--plum-ink);background:rgba(250,247,242,.92);padding:6px 12px;border-radius:4px;white-space:nowrap;display:none}
.renderbox{position:absolute;right:14px;top:14px;width:250px;background:rgba(250,247,242,.94);border:1px solid var(--line);border-radius:6px;padding:10px 12px;font-size:12.5px}
.renderbox b{display:block;font-size:13px;margin-bottom:4px}
.renderbox p{margin:0 0 8px;color:var(--muted);font-size:12px}
.renderbox .row{display:flex;gap:6px}
.bar{height:6px;background:var(--plum-soft);border-radius:3px;overflow:hidden;margin:8px 0 4px}
.bar i{display:block;height:100%;background:var(--plum);width:0;transition:width .4s}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;background:rgba(233,227,217,.92);z-index:5;text-align:center;padding:24px}
.overlay h2{margin:0;font-weight:600;font-size:20px}
.overlay p{margin:0;color:var(--muted);max-width:46ch}
.spin{width:28px;height:28px;border:3px solid var(--plum-soft);border-top-color:var(--plum);border-radius:50%;animation:s 1s linear infinite}
@keyframes s{to{transform:rotate(360deg)}}
.signin{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:8px 0}
.signin b{display:block;font-size:14px;margin-bottom:4px}.signin p{margin:0 0 10px;color:var(--muted);font-size:12.5px}
.signin .row{display:flex;gap:8px}.signin input{flex:1;border:1px solid var(--line);border-radius:6px;padding:9px 10px;font:inherit;font-size:14px}
.signin .note{margin-top:8px;font-size:12.5px;color:var(--muted)}
.account{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.account button{border:0;background:none;color:var(--plum-ink);cursor:pointer;font:inherit;font-size:12px;text-decoration:underline}
.wall{background:rgba(125,100,147,.08);border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-size:13px;margin:8px 0}
.sheet-handle,.pill,#pad{display:none}
@media (max-width:900px){
  html,body{height:100dvh}
  .app{grid-template-columns:1fr;grid-template-rows:48px 1fr auto}
  .top{gap:8px;padding:0 10px}.top .name{font-size:14px;max-width:38vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top .sub{display:none}.priv{display:none}#share,#del{display:none!important}
  .seg{margin-left:auto}.seg button{padding:7px 9px;font-size:12px}
  .stage{grid-row:2;min-height:0}
  .side{grid-row:3;border-right:0;border-top:1px solid var(--line);max-height:46dvh;transition:max-height .25s}
  .side.collapsed{max-height:56px}.side.collapsed .chat,.side.collapsed .chips,.side.collapsed .hintline{display:none}
  .sheet-handle{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:0;background:none;padding:6px 0 2px;color:var(--muted);font-size:12px}
  .sheet-handle span{width:36px;height:4px;border-radius:2px;background:rgba(125,100,147,.35)}
  .compose textarea{font-size:16px}
  .hintline{display:none}
  .panel{display:none;left:10px;top:52px;width:min(240px,80vw)}.panel.open{display:block}
  .renderbox{display:none;right:10px;top:52px;width:min(260px,86vw)}.renderbox.open{display:block}
  .pill{display:inline-block;position:absolute;top:10px;border:1px solid var(--line);background:rgba(250,247,242,.94);color:var(--plum-ink);border-radius:14px;padding:5px 11px;font-size:12px;z-index:3}
  .pill-rooms{left:10px}.pill-render{right:10px}
  .hint{display:none}.cap{bottom:8px;font-size:11.5px}
  #pad{display:none;position:absolute;right:12px;bottom:14px;grid-template-columns:repeat(3,46px);gap:4px;z-index:3}
  #pad.on{display:grid}
  #pad button{width:46px;height:46px;border:1px solid rgba(125,100,147,.35);background:rgba(250,247,242,.9);border-radius:8px;font-size:18px;color:var(--plum-ink);touch-action:none}
  .hero{grid-template-columns:1fr}.hero h1{font-size:30px}.steps{grid-template-columns:1fr}.land{padding:18px 16px 40px}
}