:root{--bg:#0b0d12;--bg2:#11141b;--panel:#161a23;--panel2:#1c212c;--line:#262c39;--text:#e8ebf2;--muted:#9aa3b5;--dim:#6b7488;
--accent:#f0b90b;--accent2:#ffd34d;--ok:#3ecf8e;--err:#ff6b6b;--user:#1f2633;--r:14px;--sb:280px;
--font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.6 var(--font);-webkit-font-smoothing:antialiased;overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:var(--accent2)}
.app{display:flex;height:100dvh;width:100vw}
/* sidebar */
.sb{width:var(--sb);flex:0 0 var(--sb);background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.sb-top{padding:14px;display:flex;gap:8px;align-items:center}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.3px;flex:1}
.logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#ff8a00);display:grid;place-items:center;color:#111;font-weight:800;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:9px 14px;background:var(--panel2);border:1px solid var(--line);transition:.15s;white-space:nowrap}
.btn:hover{border-color:#39414f;background:#222836}
.btn.primary{background:var(--accent);color:#14110a;border-color:transparent;font-weight:650}
.btn.primary:hover{background:var(--accent2)}
.btn.ghost{background:transparent;border-color:transparent}
.btn.sm{padding:6px 10px;font-size:13px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.newchat{margin:0 14px 10px;width:calc(100% - 28px)}
.convs{flex:1;overflow:auto;padding:4px 8px 8px;min-height:0}
.conv{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:10px;color:var(--muted);cursor:pointer;font-size:14px}
.conv:hover{background:var(--panel)}.conv.active{background:var(--panel2);color:var(--text)}
.conv .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .del{opacity:0;padding:2px 6px;border-radius:6px;color:var(--dim)}.conv:hover .del,.conv.active .del{opacity:1}.conv .del:hover{color:var(--err);background:#2a1d22}
.sb-foot{border-top:1px solid var(--line);padding:10px 14px;display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--dim)}
.sb-foot .row{display:flex;gap:8px;flex-wrap:wrap}
.sb-foot a{color:var(--muted);text-decoration:none;cursor:pointer}.sb-foot a:hover{color:var(--text)}
.empty-list{color:var(--dim);font-size:13px;padding:10px}
/* main */
.main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
.top{display:flex;align-items:center;gap:8px;padding:10px 14px;min-width:0;max-width:100%;border-bottom:1px solid var(--line);background:rgba(11,13,18,.85);backdrop-filter:blur(8px);z-index:5}
.top .title{font-weight:650;display:none}
.top .menu-btn{display:none;width:38px;height:38px;border-radius:10px}
.model{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:7px 10px;max-width:52vw;font-size:14px}
.spacer{flex:1}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-size:13px;white-space:nowrap}
.pill b{color:var(--accent2)}
.wallet{font-family:var(--mono);font-size:13px}
.msgs{flex:1;overflow-y:auto;overflow-x:hidden;min-height:0;scroll-behavior:smooth}
.inner{max-width:820px;margin:0 auto;padding:22px 16px 30px}
.welcome{text-align:center;padding:9vh 8px 20px}
.welcome .logo{width:56px;height:56px;font-size:26px;border-radius:16px;margin:0 auto 16px}
.welcome h1{font-size:26px;margin:0 0 6px}
.welcome p{color:var(--muted);margin:0 0 22px}
.chips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:640px;margin:0 auto}
.chip{text-align:left;padding:12px 14px;border-radius:12px;background:var(--panel);border:1px solid var(--line);color:var(--muted);font-size:14px;line-height:1.4}
.chip:hover{border-color:#3a4252;color:var(--text)}
.chip b{display:block;color:var(--text);font-weight:600;margin-bottom:2px}
.msg{display:flex;gap:12px;margin:0 0 22px}
.msg.user{justify-content:flex-end}
.msg.user .bubble{background:var(--user);border:1px solid var(--line);border-radius:16px 16px 4px 16px;padding:10px 14px;max-width:85%;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.msg.user .imgs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px;justify-content:flex-end}
.msg.user .imgs img{width:92px;height:92px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.av{width:30px;height:30px;flex:0 0 30px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#ff8a00);color:#111;font-weight:800;display:grid;place-items:center;font-size:14px;margin-top:2px}
.bot{flex:1;min-width:0}
.md{overflow-wrap:anywhere}
.md p{margin:0 0 10px}.md p:last-child{margin-bottom:0}
.md h3,.md h4,.md h5,.md h6{margin:14px 0 8px;line-height:1.35}.md h3{font-size:19px}.md h4{font-size:17px}
.md ul,.md ol{margin:4px 0 10px;padding-left:22px}.md li{margin:3px 0}
.md code{font-family:var(--mono);font-size:.88em;background:#1d2330;border:1px solid var(--line);padding:1px 5px;border-radius:6px}
.md blockquote{margin:8px 0;padding:6px 12px;border-left:3px solid var(--accent);color:var(--muted);background:#141821;border-radius:0 8px 8px 0}
.md hr{border:0;border-top:1px solid var(--line);margin:14px 0}
.md .tbl{overflow-x:auto;margin:8px 0 12px}
.md table{border-collapse:collapse;font-size:14px;min-width:60%}
.md th,.md td{border:1px solid var(--line);padding:6px 10px;text-align:left}.md th{background:var(--panel)}
.code{margin:8px 0 12px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#0d1016}
.code-h{display:flex;justify-content:space-between;align-items:center;padding:5px 10px;background:var(--panel);font-size:12px;color:var(--muted);font-family:var(--mono)}
.code-h button{color:var(--muted);font-size:12px;padding:2px 6px;border-radius:6px}.code-h button:hover{color:var(--text);background:var(--panel2)}
.code pre{margin:0;padding:12px 14px;overflow-x:auto}
.code pre code{background:none;border:0;padding:0;font-size:13px;line-height:1.55;white-space:pre}
.tools{display:flex;flex-direction:column;gap:6px;margin:0 0 10px}
.tool{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:4px 12px;align-self:flex-start}
.tool.done{color:var(--dim)}.tool.fail{color:var(--err)}
.spin{width:12px;height:12px;border:2px solid #3a4252;border-top-color:var(--accent);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.typing{display:inline-flex;gap:4px;padding:6px 0}.typing i{width:7px;height:7px;border-radius:50%;background:var(--dim);animation:bl 1.2s infinite}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes bl{0%,80%,100%{opacity:.25}40%{opacity:1}}
.acts{display:flex;gap:4px;margin-top:8px}
.acts button{font-size:12px;color:var(--dim);padding:4px 8px;border-radius:8px;display:inline-flex;gap:5px;align-items:center}
.acts svg,.ic svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.acts button:hover{color:var(--text);background:var(--panel)}
.err-note{color:var(--err);font-size:13px;margin-top:6px}
/* composer */
.composer{padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--bg) 30%)}
.box{max-width:820px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:8px;display:flex;flex-direction:column;gap:6px}
.box:focus-within{border-color:#3d4556}
.previews{display:flex;gap:8px;flex-wrap:wrap;padding:4px 4px 0}
.previews:empty{display:none}
.pv{position:relative}.pv img{width:58px;height:58px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.pv button{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;background:#000c;border:1px solid var(--line);font-size:12px;line-height:1}
.row-in{display:flex;align-items:flex-end;gap:6px}
textarea#input{flex:1;resize:none;border:0;outline:0;background:transparent;padding:8px 6px;max-height:200px;min-height:40px;line-height:1.5}
.icon-btn{width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:grid;place-items:center;color:var(--muted)}
.icon-btn:hover{background:var(--panel2);color:var(--text)}
.send{background:var(--accent);color:#14110a}.send:hover{background:var(--accent2);color:#14110a}
.send:disabled{background:#3a3423;color:#7a6d48}
.stop{background:var(--text);color:#111}
.hint{max-width:820px;margin:6px auto 0;text-align:center;color:var(--dim);font-size:11.5px}
/* modal */
.modal-bg{position:fixed;inset:0;background:#000a;display:none;align-items:flex-end;justify-content:center;z-index:50;padding:0}
.modal-bg.open{display:flex}
.modal{box-sizing:border-box;background:var(--bg2);border:1px solid var(--line);border-radius:20px 20px 0 0;width:100%;max-width:480px;max-height:92dvh;overflow:auto;padding:18px 18px calc(18px + env(safe-area-inset-bottom))}
.modal h2{margin:0 0 4px;font-size:19px}.modal .sub{color:var(--muted);margin:0 0 14px;font-size:14px}
.mhead{display:flex;align-items:flex-start;gap:10px}.mhead>div{flex:1}
.x{width:34px;height:34px;border-radius:10px;color:var(--muted);font-size:18px}.x:hover{background:var(--panel)}
.list{display:flex;flex-direction:column;gap:8px}
.opt{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:var(--panel);border:1px solid var(--line);text-align:left;width:100%}
.opt:hover{border-color:var(--accent)}
.opt img{width:28px;height:28px;border-radius:7px}
.opt .grow{flex:1}.opt small{color:var(--muted);display:block}
.pack .price{font-weight:700;font-size:17px}.pack .msgsN{color:var(--accent2);font-weight:650}
.pack.best{border-color:#5a4a12}
.tag{font-size:11px;padding:2px 7px;border-radius:999px;background:#3a2f0b;color:var(--accent2);margin-left:6px}
.field{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}.field .btn{flex:0 0 auto}
#nftBox .field input{flex:1 1 140px}#nftBox .field .btn{flex:1 1 auto}
.field input{flex:1;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 11px;outline:0}
.field input:focus{border-color:#4a5263}
.status{margin-top:12px;font-size:14px;padding:10px 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line);display:none;overflow-wrap:anywhere}
.status.show{display:block}.status.ok{border-color:#1f5a40;color:#9be7c4}.status.err{border-color:#5a2a2a;color:#ffb3b3}
.sep{height:1px;background:var(--line);margin:16px 0}
.small{font-size:12.5px;color:var(--dim)}
.setrow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:3px}
.seg button{padding:5px 12px;border-radius:8px;font-size:13px;color:var(--muted)}.seg button.on{background:var(--panel2);color:var(--text)}
.switch{width:44px;height:26px;border-radius:999px;background:#2b3140;position:relative;flex:0 0 44px}.switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#cfd5e1;transition:.15s}
.switch.on{background:var(--accent)}.switch.on::after{left:21px;background:#14110a}
.notes{display:flex;flex-direction:column;gap:6px;margin:8px 0}
.note{display:flex;gap:8px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:14px}
.note span{flex:1;overflow-wrap:anywhere}
.legal{font-size:13.5px;color:var(--muted)}.legal h3{color:var(--text);font-size:15px;margin:14px 0 4px}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line);padding:8px 14px;border-radius:10px;font-size:13px;z-index:60;opacity:0;transition:.2s;pointer-events:none}
.toast.show{opacity:1}
.scrim{display:none}
#ts{margin-top:12px;min-height:0}
@media (min-width:720px){.modal-bg{align-items:center;padding:20px}.modal{border-radius:20px}}
@media (max-width:860px){
  .sb{position:fixed;inset:0 auto 0 0;z-index:40;transform:translateX(-100%);transition:transform .2s;box-shadow:0 0 40px #000}
  .app.nav .sb{transform:none}.app.nav .scrim{display:block;position:fixed;inset:0;background:#0008;z-index:30}
  .top .menu-btn{display:grid;place-items:center}
  .chips{grid-template-columns:1fr}
  .top{padding:8px 10px;gap:6px}.model{flex:1 1 auto;min-width:0;max-width:none;width:0}.spacer{display:none}
  .wallet-label{display:none}
}
@media (max-width:420px){.pill .lbl{display:none}.welcome h1{font-size:22px}}