:root{
  --bg:var(--tg-theme-bg-color,#0f1014);
  --sec:var(--tg-theme-secondary-bg-color,#1a1c22);
  --ink:var(--tg-theme-text-color,#ececec);
  --hint:var(--tg-theme-hint-color,#8b8f99);
  --link:var(--tg-theme-link-color,#7aa7ff);
  --btn:var(--tg-theme-button-color,#4f7bf0);
  --btnt:var(--tg-theme-button-text-color,#fff);
  --line:color-mix(in srgb,var(--ink) 14%,transparent);
  --ubub:var(--btn);
  --abub:var(--sec);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,system-ui,"Segoe UI",Roboto,sans-serif;
  display:flex;flex-direction:column;height:100dvh;overflow:hidden}
header{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);flex:none}
header .t{font-weight:700}
header .t small{color:var(--hint);font-weight:500;font-size:12px}
header .sp{margin-left:auto;display:flex;gap:6px}
header button{background:var(--sec);color:var(--ink);border:1px solid var(--line);border-radius:9px;
  padding:6px 11px;font:inherit;font-size:13px;font-weight:600;cursor:pointer}
header button.stop{background:#e0484b;color:#fff;border-color:#e0484b}
#log{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px;-webkit-overflow-scrolling:touch}
.msg{max-width:88%;padding:9px 13px;border-radius:16px;white-space:normal;word-wrap:break-word;overflow-wrap:anywhere}
.msg.u{align-self:flex-end;background:var(--ubub);color:var(--btnt);border-bottom-right-radius:5px}
.msg.a{align-self:flex-start;background:var(--abub);border-bottom-left-radius:5px}
.msg.a.empty::after{content:"▌";animation:bl 1s steps(2) infinite;color:var(--hint)}
@keyframes bl{50%{opacity:0}}
.status{align-self:flex-start;color:var(--hint);font-size:13px;padding:2px 6px}
.msg p{margin:.4em 0}.msg p:first-child{margin-top:0}.msg p:last-child{margin-bottom:0}
.msg pre{background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:10px;padding:10px 12px;overflow-x:auto;margin:.5em 0}
.msg code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.msg :not(pre)>code{background:rgba(0,0,0,.22);padding:1px 5px;border-radius:5px}
.msg a{color:var(--link)}
.msg ul,.msg ol{margin:.4em 0;padding-left:1.3em}
.msg h1,.msg h2,.msg h3{font-size:1.05em;margin:.5em 0 .2em}
footer{flex:none;border-top:1px solid var(--line);padding:9px 12px;display:flex;gap:8px;align-items:flex-end;
  padding-bottom:max(9px,env(safe-area-inset-bottom))}
#inp{flex:1;resize:none;max-height:140px;overflow-y:hidden;background:var(--sec);color:var(--ink);border:1px solid var(--line);
  border-radius:14px;padding:10px 13px;font:inherit;outline:none;line-height:1.4}
#send{flex:none;width:42px;height:42px;border-radius:50%;border:none;background:var(--btn);color:var(--btnt);
  font-size:18px;cursor:pointer}
#send:disabled{opacity:.45}
/* modal */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-end;justify-content:center;z-index:50}
.modal{background:var(--bg);border:1px solid var(--line);border-radius:18px 18px 0 0;width:100%;max-width:560px;
  padding:18px 16px calc(18px + env(safe-area-inset-bottom));max-height:80vh;overflow-y:auto}
.modal h3{margin:0 0 4px;font-size:16px}
.modal .tool{font-weight:700;margin:6px 0}
.modal pre{background:var(--sec);border:1px solid var(--line);border-radius:10px;padding:11px 13px;overflow-x:auto;font:13px/1.5 ui-monospace,monospace;white-space:pre-wrap}
.modal .row{display:flex;gap:10px;margin-top:14px}
.modal .row button{flex:1;padding:12px;border-radius:12px;border:none;font:inherit;font-weight:700;cursor:pointer}
.allow{background:#15a35b;color:#fff}.deny{background:#e0484b;color:#fff}
.kv{font-size:13px;color:var(--hint);margin:2px 0}
/* context indicator (donut + text, right of input) */
.ctxwrap{flex:none;align-self:center;display:flex;align-items:center;gap:5px;cursor:default}
.ctxwrap svg .bg{stroke:var(--line)}
#ctxArc{stroke:#15a35b;transition:stroke-dasharray .4s,stroke .4s}
.ctxwrap.warn #ctxArc{stroke:#f0a020}.ctxwrap.crit #ctxArc{stroke:#e0484b}
#ctxtxt{font-size:11.5px;font-weight:600;color:var(--hint);font-variant-numeric:tabular-nums;white-space:nowrap}
.ctxwrap.warn #ctxtxt{color:#f0a020}.ctxwrap.crit #ctxtxt{color:#e0484b}
/* attachments bar + chips */
.atts{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px}
.atts:not(:empty){padding:8px 12px 0}
.att{display:flex;align-items:center;gap:6px;background:var(--sec);border:1px solid var(--line);
  border-radius:10px;padding:4px 6px;font-size:12px;max-width:160px}
.att img{width:30px;height:30px;border-radius:6px;object-fit:cover;flex:none}
.att .an{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--hint)}
.att .ax{flex:none;background:none;border:none;color:var(--hint);cursor:pointer;font-size:14px;padding:0 2px}
.att.up{opacity:.55}
.msg .att{margin-top:6px;display:inline-flex}
.att.open{cursor:pointer}.att.open:hover{border-color:var(--btn)}
.ftag{display:inline-block;margin-left:6px;font-size:11px;font-weight:700;color:var(--btnt);opacity:.85}
/* context donut (legacy) */
.ctx{flex:none;background:none;border:none;padding:0;width:34px;height:34px;cursor:pointer;position:relative}
.ctx svg .bg{stroke:var(--line)}
#ctxArc{stroke:#15a35b;transition:stroke-dasharray .4s,stroke .4s}
.ctx.warn #ctxArc{stroke:#f0a020}.ctx.crit #ctxArc{stroke:#e0484b}
.ctx .lbl{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;color:var(--hint)}
/* system/command lines */
.sys{align-self:center;color:var(--hint);font-size:12.5px;background:var(--sec);border:1px solid var(--line);
  border-radius:10px;padding:5px 11px;white-space:pre-wrap;max-width:90%}
/* code block with header */
.cb{margin:.5em 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.cb .cbh{display:flex;justify-content:space-between;align-items:center;background:rgba(0,0,0,.25);
  padding:4px 10px;font-size:11px;color:var(--hint)}
.cb .cbh button{background:none;border:none;color:var(--link);cursor:pointer;font:inherit;font-size:11px}
.cb pre{margin:0;border:none;border-radius:0}
/* settings modal */
.setrow{margin:12px 0}.setrow .lab{font-size:12px;color:var(--hint);margin-bottom:5px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{background:var(--sec);border:1px solid var(--line);color:var(--ink);border-radius:9px;
  padding:7px 12px;font:inherit;font-size:13px;cursor:pointer}
.seg button.on{background:var(--btn);color:var(--btnt);border-color:var(--btn)}
.katex{font-size:1.02em}.katex-display{margin:.5em 0;overflow-x:auto;overflow-y:hidden}
/* header icon button */
.icobtn{background:none!important;border:none!important;font-size:18px;cursor:pointer;color:var(--ink);padding:4px 6px!important}
.conn{width:8px;height:8px;border-radius:50%;background:#888;flex:none;transition:background .3s}
.conn.ok{background:#2ec36a}
.conn.connecting{background:#f0a020;animation:pulse 1s infinite}
.conn.off{background:#e0484b;animation:pulse .8s infinite}
@keyframes pulse{50%{opacity:.35}}
/* greeting banner */
#banner{align-self:center;text-align:center;max-width:520px;margin:18px auto 6px;padding:16px 18px;
  background:var(--sec);border:1px solid var(--line);border-radius:16px}
#banner.hide{display:none}
#banner .bt{font-weight:800;font-size:17px;margin-bottom:6px}
#banner .bd{color:var(--hint);font-size:13.5px;line-height:1.6}
/* queued chip */
.queued{align-self:flex-end;font-size:12px;color:var(--hint);background:var(--sec);border:1px dashed var(--line);border-radius:12px;padding:4px 10px}
/* sessions drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:60;display:flex}
.drawer{width:84%;max-width:340px;background:var(--bg);border-right:1px solid var(--line);height:100%;
  display:flex;flex-direction:column;animation:slidein .18s ease-out}
@keyframes slidein{from{transform:translateX(-100%)}to{transform:none}}
.drawer .dh{display:flex;align-items:center;gap:8px;padding:13px 14px;border-bottom:1px solid var(--line)}
.drawer .dh b{font-size:15px}.drawer .dh .nw{margin-left:auto;background:var(--btn);color:var(--btnt);border:none;border-radius:9px;padding:6px 11px;font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.drawer .dsearch{padding:8px 10px 2px}
.drawer .dsearch input{width:100%;background:var(--sec);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:8px 11px;font:inherit;font-size:13px;outline:none}
.drawer .dsearch input:focus{border-color:var(--btn)}
.drawer .list{flex:1;overflow-y:auto;padding:8px}
.sess{position:relative;display:flex;align-items:flex-start;gap:8px;padding:11px 12px;border-radius:13px;cursor:pointer;
  border:1px solid var(--line);background:var(--card,var(--sec));margin-bottom:7px;transition:transform .1s,box-shadow .12s,border-color .12s}
.sess:hover{box-shadow:0 4px 14px rgba(0,0,0,.18);transform:translateY(-1px)}
.sess:active{transform:none}
.sess.cur{border-color:var(--btn)}
.sess.cur::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--btn)}
.sess .si{flex:1;min-width:0;padding-left:3px}
.sess .st{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sess .ss{color:var(--hint);font-size:12.5px;line-height:1.35;margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sess .sm{display:flex;justify-content:space-between;gap:8px;color:var(--hint);font-size:11px;opacity:.85;margin-top:6px;font-variant-numeric:tabular-nums}
.sess .sc{color:var(--btn);opacity:.9}.sess .sti{white-space:nowrap}
.sess .ren{flex:none;background:none;border:none;color:var(--hint);cursor:pointer;font-size:14px;padding:2px 4px}
.sess .ren:hover{color:var(--link)}
.reninp{flex:1;min-width:0;background:var(--bg);color:var(--ink);border:1px solid var(--btn);border-radius:7px;padding:4px 7px;font:inherit;font-size:14px;font-weight:700}
.drawer .empty{color:var(--hint);text-align:center;padding:30px 16px;font-size:13px}
/* slash command popup */
#cmdpop{position:absolute;left:12px;right:12px;bottom:64px;background:var(--bg);border:1px solid var(--line);
  border-radius:12px;box-shadow:0 -6px 24px rgba(0,0,0,.3);max-height:240px;overflow-y:auto;z-index:30;display:none}
#cmdpop.show{display:block}
.cmd{display:flex;gap:10px;padding:9px 13px;cursor:pointer;align-items:baseline}
.cmd.sel,.cmd:hover{background:var(--sec)}
.cmd b{color:var(--link);font-size:14px}.cmd span{color:var(--hint);font-size:12px}
/* десктоп: шире по умолчанию (мобилка без изменений) */
@media (min-width:760px){
  #log{padding:18px max(24px,5vw)}
  .msg{max-width:80%}
  footer{padding-left:max(12px,5vw);padding-right:max(12px,5vw)}
  #banner{max-width:640px}
  #cmdpop{left:max(12px,5vw);right:max(12px,5vw)}
}