:root{
  --bg:#212121; --side:#181818; --panel:#2a2a2a; --panel2:#303030; --hover:#2c2c2c; --active:#343434;
  --border:#3a3a3a; --text:#ececec; --muted:#a3a3a3; --dim:#7a7a7a; --accent:#10a37f; --danger:#ef4444;
  --user:#303030; --radius:24px;
  --st:calc(var(--tg-safe-area-inset-top,0px) + var(--tg-content-safe-area-inset-top,0px));
  --sb:var(--tg-safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
svg{width:20px;height:20px;flex:none}
.hidden{display:none!important}
.grow{flex:1}
.app{display:flex;height:100vh;height:var(--tg-viewport-stable-height,100dvh);width:100%;overflow:hidden}
.safe-top{padding-top:calc(var(--st) + 8px)!important}

/* ---------- sidebar ---------- */
.sidebar{width:272px;flex:none;background:var(--side);display:flex;flex-direction:column;border-right:1px solid #262626;transition:margin .2s ease,transform .2s ease;z-index:30}
.app.sb-hidden .sidebar{margin-left:-272px}
.sb-top{display:flex;align-items:center;justify-content:space-between;padding:8px 10px 4px 14px}
.sb-brand{display:flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#fff;color:#000;font-size:15px;flex:none}
.logo-neuro{display:block;height:54px;aspect-ratio:290/112;border-radius:14px;flex:none;overflow:hidden;background:radial-gradient(ellipse at 30% 30%,#1f355e,#0f1a2e 80%);box-shadow:inset 0 0 0 1px rgba(120,170,255,.18)}
.logo-neuro svg{width:100%;height:100%;display:block;pointer-events:none}
.logo-neuro.big{height:110px;border-radius:26px;margin:0 auto 16px}
.logo.big{width:56px;height:56px;font-size:28px;margin-bottom:12px}
.icon-btn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;color:var(--muted);flex:none}
.icon-btn:hover{background:var(--hover);color:var(--text)}
.icon-btn.round{border-radius:50%}
.new-chat{display:flex;align-items:center;gap:10px;margin:8px 8px 4px;padding:9px 12px;border-radius:10px;text-align:left;font-weight:500}
.new-chat:hover{background:var(--hover)}
.search{display:flex;align-items:center;gap:8px;margin:2px 8px 8px;padding:0 10px;border-radius:10px;background:#222;border:1px solid #2c2c2c;color:var(--dim)}
.search input{flex:1;min-width:0;background:none;border:0;outline:0;padding:8px 0;color:var(--text)}
.search:focus-within{border-color:#4a4a4a}
.chat-list{flex:1;overflow-y:auto;padding:0 8px 12px;scrollbar-width:thin;scrollbar-color:#333 transparent}
.group-title{font-size:12px;font-weight:600;color:var(--dim);padding:14px 10px 6px}
.chat-item{position:relative;display:flex;align-items:center;gap:6px;width:100%;padding:8px 10px;border-radius:10px;text-align:left;color:#d8d8d8}
.chat-item:hover{background:var(--hover)}
.chat-item.active{background:var(--active);color:#fff}
.chat-item .t{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-item .badge{font-size:10px;font-weight:700;color:#7cc4ff;background:#1d3346;border-radius:6px;padding:1px 5px;flex:none}
.chat-item .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;animation:pulse 1.2s infinite}
.chat-item .more{opacity:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;color:var(--muted);flex:none}
.chat-item:hover .more,.chat-item.active .more{opacity:1}
.chat-item .more:hover{background:#444;color:#fff}
@media (hover:none){.chat-item .more{opacity:1}}
.list-empty{color:var(--dim);padding:20px 10px;font-size:14px;text-align:center}
.sb-bottom{padding:8px;border-top:1px solid #262626;padding-bottom:calc(8px + var(--sb))}
.user-btn{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:10px;color:var(--muted)}
.user-btn:hover{background:var(--hover);color:var(--text)}
.avatar{width:30px;height:30px;border-radius:50%;background:#5b4bdb;color:#fff;display:grid;place-items:center;font-weight:600;font-size:13px;flex:none}
.user-name{flex:1;text-align:left;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.backdrop{display:none}

/* ---------- main ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}
.topbar{display:flex;align-items:center;gap:6px;padding:8px 12px;min-height:56px;flex:none}
.model-btn{display:flex;align-items:center;gap:4px;padding:6px 10px;border-radius:10px;font-weight:600;font-size:16px;max-width:60vw}
.model-btn span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.model-btn:hover{background:var(--hover)}
.model-btn svg{color:var(--dim);width:18px;height:18px}
.app:not(.sb-hidden) #sbOpen{display:none}
.pill{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--border);color:var(--muted);font-size:13.5px;white-space:nowrap}
.pill:hover{background:var(--hover);color:var(--text)}
.pill svg{width:17px;height:17px}
.pill.toggle.on{color:#7cc4ff;border-color:#2a4a66;background:#1b2a38}
.prompt-pill{position:relative}
.bal-pill{gap:8px;font-variant-numeric:tabular-nums}
.bal-pill .bal-today{color:#fca5a5}
.bal-pill .bal-left{color:#86efac;font-weight:600}
.bal-pill .bal-sep{width:1px;height:14px;background:#444}
.bal-pill.low .bal-left{color:#fbbf24}
.bal-pill.loading{opacity:.6}
.bal-grid{display:grid;grid-template-columns:1fr auto;gap:8px 16px;font-variant-numeric:tabular-nums}
.bal-grid b{text-align:right}
.bal-big{display:flex;gap:12px;margin:4px 0 14px}
.bal-big>div{flex:1;background:#1f1f1f;border:1px solid #383838;border-radius:14px;padding:12px}
.bal-big small{display:block;color:var(--dim);font-size:12px}
.bal-big b{font-size:22px}
.drop-hl{outline:2px dashed #7c5cff;outline-offset:2px}
.prompt-pill.on{color:#e9d5ff;border-color:#5b3d86;background:#2a1f3a}
.pdot{width:7px;height:7px;border-radius:50%;background:#c084fc;display:inline-block}
.p-actions{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}
.p-actions .grow{flex:1}
.btn.sm{padding:7px 12px;font-size:13.5px}
.p-list{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.p-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border:1px solid #383838;border-radius:12px;background:#242424}
.p-item .nm{flex:1;min-width:0}
.p-item .nm b{display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-item .nm small{display:block;color:var(--dim);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-item.cur{border-color:#5b3d86}
.p-item .icon-btn{width:32px;height:32px}
.p-item .icon-btn svg{width:17px;height:17px}
.sec-title{font-size:13px;font-weight:600;color:var(--muted);margin:18px 0 4px}
.tg-pill.on{color:#7cc4ff;border-color:#2a4a66}
.scroller{flex:1;overflow-y:auto;overflow-x:hidden;scroll-behavior:auto;overscroll-behavior:contain}
.messages{max-width:820px;margin:0 auto;padding:8px 20px 24px}
.empty{display:none;height:100%;align-items:flex-end;justify-content:center;padding-bottom:28px}
.app.is-empty .empty{display:flex}
.app.is-empty .scroller{flex:1 1 40%}
.app.is-empty .composer-wrap{flex:1 1 60%;justify-content:flex-start}
.empty h1{font-size:28px;font-weight:600;margin:0;text-align:center;padding:0 16px}

.msg{margin:22px 0;animation:fade .18s ease}
.msg.user{display:flex;flex-direction:column;align-items:flex-end}
.bubble{background:var(--user);padding:10px 16px;border-radius:20px;max-width:min(80%,640px);white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.msg.user .atts{justify-content:flex-end;margin:0 0 6px}
.msg.assistant .body{overflow-wrap:anywhere}
.md>*:first-child{margin-top:0}.md>*:last-child{margin-bottom:0}
.md p{margin:0 0 .8em}
.md h1,.md h2,.md h3,.md h4{margin:1.2em 0 .5em;line-height:1.3}
.md h1{font-size:1.5em}.md h2{font-size:1.3em}.md h3{font-size:1.12em}
.md ul,.md ol{padding-left:1.5em;margin:0 0 .8em}.md li{margin:.25em 0}
.md a{color:#7cc4ff;text-decoration:none}.md a:hover{text-decoration:underline}
.md blockquote{margin:0 0 .8em;padding:2px 14px;border-left:3px solid #4a4a4a;color:#cfcfcf}
.md hr{border:0;border-top:1px solid var(--border);margin:1.2em 0}
.md table{border-collapse:collapse;margin:0 0 1em;display:block;overflow-x:auto;max-width:100%}
.md th,.md td{border:1px solid var(--border);padding:6px 10px;text-align:left}
.md th{background:#2a2a2a}
.md code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:#2f2f2f;padding:.12em .38em;border-radius:6px}
.md pre{position:relative;background:#0d0d0d;border-radius:12px;margin:0 0 1em;overflow:hidden;border:1px solid #2a2a2a}
.md pre .code-head{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:#1f1f1f;color:var(--muted);font-size:12px;font-family:inherit}
.md pre code{display:block;padding:12px 14px;overflow-x:auto;background:none;font-size:13px;line-height:1.5}
.copy-code{display:inline-flex;align-items:center;gap:4px;color:var(--muted);font-size:12px}
.copy-code:hover{color:#fff}
.copy-code svg{width:14px;height:14px}
.md img{max-width:100%;border-radius:10px}

.work{margin:0 0 10px;color:var(--muted);font-size:13.5px}
.work summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:6px;padding:4px 0;user-select:none}
.work summary::-webkit-details-marker{display:none}
.work summary .chev{transition:transform .15s;width:14px;height:14px}
.work[open] summary .chev{transform:rotate(90deg)}
.work .work-body{border-left:2px solid #3a3a3a;margin:4px 0 6px 6px;padding:2px 0 2px 14px}
.steps{list-style:none;margin:0;padding:0}
.steps li{padding:2px 0;color:#bdbdbd}
.steps li.cur{color:#fff}
.st-head{display:flex;align-items:center;gap:8px;min-height:24px;border-radius:7px;padding:1px 6px;margin-left:-6px}
.st.has>.st-head{cursor:pointer}
.st.has>.st-head:hover{background:#ffffff0d;color:#e8e8e8}
.st-lbl{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-meta{color:#777;font-size:12px;flex:none}
.st-head .chev{width:12px;height:12px;flex:none;opacity:.6;transition:transform .15s}
.st.open>.st-head .chev{transform:rotate(90deg)}
.st.err .st-lbl{color:#ff8a80}
.st-body{margin:4px 0 8px;border:1px solid #333;border-radius:10px;background:#1b1b1b;overflow:hidden}
.st-text{white-space:pre-wrap;color:#9a9a9a;font-size:13px;line-height:1.55;padding:9px 12px;max-height:280px;overflow:auto}
.st-tabs{display:flex;align-items:center;gap:2px;padding:4px 6px;border-bottom:1px solid #2c2c2c}
.st-tabs button{background:none;border:0;color:#8f8f8f;font:inherit;font-size:12.5px;padding:4px 10px;border-radius:7px;cursor:pointer}
.st-tabs button.on{background:#2c2c2c;color:#eee}
.st-tabs .st-copy{margin-left:auto;padding:4px 6px;display:flex}
.st-tabs .st-copy svg{width:15px;height:15px}
.st-pre{margin:0;padding:9px 12px;font:12.5px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#cfcfcf;white-space:pre-wrap;word-break:break-word;max-height:300px;overflow:auto}
.reasoning{white-space:pre-wrap;color:#9a9a9a;font-size:13px;line-height:1.5;margin-top:6px;max-height:340px;overflow:auto}
.live-status{display:inline-flex;align-items:center;gap:8px;color:var(--muted)}
.shimmer{background:linear-gradient(90deg,#8a8a8a 0%,#fff 50%,#8a8a8a 100%);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 1.6s linear infinite}
.cursor::after{content:"";display:inline-block;width:8px;height:8px;margin-left:4px;border-radius:50%;background:#fff;vertical-align:middle;animation:pulse 1s infinite}
.err{color:#fca5a5}

.atts{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}
.att-img{max-width:min(100%,420px);max-height:420px;border-radius:14px;cursor:zoom-in;display:block;background:#2a2a2a;object-fit:cover}
.msg.user .att-img{max-width:220px;max-height:220px}
.att-file{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:14px;background:#262626;min-width:220px;max-width:340px;text-align:left}
.att-file:hover{background:#2e2e2e}
.att-file .ic{width:38px;height:38px;border-radius:10px;background:#3b82f6;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;flex:none}
.att-file .nm{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att-file .sz{font-size:12px;color:var(--dim)}
.att-file .meta{min-width:0;flex:1}
.att-audio{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--border);border-radius:16px;background:#262626;width:min(100%,420px)}
.att-audio .row{display:flex;align-items:center;gap:12px}
.att-audio .cover{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,#7c3aed,#db2777);display:grid;place-items:center;font-size:22px;flex:none;object-fit:cover}
.att-audio .ttl{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att-audio .sub{font-size:12px;color:var(--dim)}
.att-audio audio{width:100%;height:36px}
.att-audio .dl,.att-video .dl{margin-left:auto}
.att-video{width:min(100%,560px)}
.att-video video{width:100%;border-radius:14px;background:#000;display:block;max-height:70vh}
.sources{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;align-items:center;font-size:13px;color:var(--dim)}
.sources a{color:#cfcfcf;background:#2a2a2a;border-radius:999px;padding:2px 10px;text-decoration:none}
.sources a:hover{background:#353535;color:#fff}
.actions{display:flex;gap:2px;margin-top:6px;align-items:center;color:var(--dim);font-size:12px;opacity:.85}
.actions .icon-btn{width:30px;height:30px;border-radius:8px}
.actions .icon-btn svg{width:17px;height:17px}
.actions .mdl{margin-left:6px}
.msg.user .actions{opacity:0;transition:opacity .15s}
.msg.user:hover .actions{opacity:1}

/* ---------- composer ---------- */
.composer-wrap{flex:none;display:flex;flex-direction:column;align-items:center;padding:0 16px calc(10px + var(--sb))}
.composer{width:100%;max-width:820px;background:var(--panel2);border:1px solid #3d3d3d;border-radius:var(--radius);padding:10px 10px 8px 14px;box-shadow:0 4px 24px rgba(0,0,0,.25)}
.composer:focus-within{border-color:#4d4d4d}
.composer textarea{width:100%;resize:none;border:0;outline:0;background:none;max-height:40vh;min-height:26px;padding:4px 4px 6px;line-height:1.5;display:block}
.composer textarea::placeholder{color:#8f8f8f}
.composer-bar{display:flex;align-items:center;gap:6px;margin-left:-4px}
.composer-bar .icon-btn{border:1px solid var(--border);width:34px;height:34px}
.send{width:36px;height:36px;border-radius:50%;background:#fff;color:#000;display:grid;place-items:center;transition:opacity .15s}
.send:disabled{opacity:.3;cursor:default}
.undo-btn{width:36px;height:36px;border-radius:50%;background:#3a3a3a;color:#e8e8e8;display:grid;place-items:center;transition:background .15s,opacity .15s;margin-right:2px}
.undo-btn svg{width:18px;height:18px}
.undo-btn:hover{background:#4a4a4a}
.undo-btn:disabled{opacity:.35;cursor:default}
.shared-note{margin:0 auto 14px;max-width:760px;width:100%;display:flex;gap:8px;align-items:flex-start;padding:10px 14px;border:1px solid #2f3b52;background:#1b2433;color:#b9c7dd;border-radius:14px;font-size:13.5px;line-height:1.45}
.share-opts{display:flex;flex-direction:column;gap:8px}
.share-opt{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:14px;text-align:left;width:100%}
.share-opt:hover{background:#2a2a2a}
.share-opt b{display:block;font-weight:600}
.share-opt small{color:var(--muted);font-size:12.5px}
.share-opt .ic{font-size:20px;flex:none;width:28px;text-align:center}
/* ПК: высота по окну (корректно при масштабе Ctrl+колесо / Ctrl±) */
html.desk .app{height:100vh;height:100dvh}
html.desk,html.desk body{height:100%;min-height:100%}
.send .i-stop{display:none}
.send.stop .i-send{display:none}.send.stop .i-stop{display:block}
.attach-row{display:flex;flex-wrap:wrap;gap:8px}
.attach-row:not(:empty){margin:2px 0 8px}
.chip{position:relative;display:flex;align-items:center;gap:8px;background:#3a3a3a;border-radius:12px;padding:6px 28px 6px 6px;max-width:240px;font-size:13px}
.chip img{width:40px;height:40px;object-fit:cover;border-radius:8px}
.chip .ic{width:40px;height:40px;border-radius:8px;background:#3b82f6;display:grid;place-items:center;font-size:11px;font-weight:700;flex:none}
.chip .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip .x{position:absolute;top:4px;right:4px;width:20px;height:20px;border-radius:50%;background:#555;display:grid;place-items:center;font-size:12px;line-height:1}
.hint{font-size:11.5px;color:var(--dim);padding-top:8px;text-align:center}
.to-bottom{position:absolute;left:50%;transform:translateX(-50%);bottom:150px;width:36px;height:36px;border-radius:50%;background:#2f2f2f;border:1px solid var(--border);display:grid;place-items:center;color:#ddd;z-index:5}
.dropzone{position:absolute;inset:12px;border:2px dashed #555;border-radius:20px;background:rgba(20,20,20,.85);display:grid;place-items:center;font-size:18px;z-index:40}

/* ---------- overlays ---------- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:grid;place-items:center;z-index:100;padding:16px;animation:fade .15s}
.modal-card{background:#2a2a2a;border:1px solid #3a3a3a;border-radius:18px;width:min(560px,100%);max-height:min(86vh,760px);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 10px;font-weight:600;font-size:17px}
.modal-body{padding:4px 18px 16px;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px 16px;border-top:1px solid #343434}
.btn{padding:9px 16px;border-radius:999px;background:#3a3a3a;font-weight:500}
.btn{display:inline-flex;align-items:center;gap:6px}.btn svg{width:16px;height:16px}
.btn:hover{background:#444}
.btn.primary{background:#fff;color:#000}.btn.primary:hover{background:#e5e5e5}
.btn.danger{background:var(--danger);color:#fff}
.field{display:block;margin:10px 0}
.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.inp,textarea.inp,select.inp{width:100%;background:#1f1f1f;border:1px solid #3a3a3a;border-radius:12px;padding:10px 12px;outline:0}
.inp:focus{border-color:#5a5a5a}
textarea.inp{min-height:180px;resize:vertical;line-height:1.5}
.seg{display:flex;background:#1f1f1f;border:1px solid #3a3a3a;border-radius:12px;padding:3px;gap:3px}
.seg button{flex:1;padding:7px 6px;border-radius:9px;color:var(--muted);font-size:13.5px}
.seg button.on{background:#3a3a3a;color:#fff}
.switch{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;cursor:pointer}
.switch input{appearance:none;width:42px;height:24px;border-radius:999px;background:#4a4a4a;position:relative;cursor:pointer;flex:none;transition:background .15s}
.switch input::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .15s}
.switch input:checked{background:var(--accent)}.switch input:checked::after{left:21px}
.small{font-size:12.5px;color:var(--dim)}
.model-list{display:flex;flex-direction:column;gap:2px;margin-top:10px}
.model-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;text-align:left}
.model-item:hover{background:#353535}
.model-item.on{background:#383838}
.model-item .nm{flex:1;min-width:0}
.model-item .nm b{display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.model-item .nm small{color:var(--dim);font-size:12px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.model-item .tags{display:flex;gap:4px;flex:none}
.tag{font-size:11px;color:var(--muted);background:#1f1f1f;border-radius:6px;padding:1px 6px}
.menu{position:fixed;z-index:120;background:#2f2f2f;border:1px solid #3d3d3d;border-radius:14px;padding:6px;min-width:220px;box-shadow:0 12px 40px rgba(0,0,0,.45);animation:fade .1s}
.menu button{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border-radius:9px;text-align:left;font-size:14px}
.menu button:hover{background:#3a3a3a}
.menu button.danger{color:#f87171}
.menu .sep{height:1px;background:#3d3d3d;margin:4px 6px}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:150;display:grid;place-items:center;cursor:zoom-out}
.lightbox img{max-width:96vw;max-height:92vh;border-radius:8px}
.toast{position:fixed;left:50%;bottom:calc(110px + var(--sb));transform:translateX(-50%);background:#f5f5f5;color:#111;padding:9px 16px;border-radius:12px;z-index:200;font-size:14px;box-shadow:0 8px 30px rgba(0,0,0,.4);max-width:90vw}
.gate{position:fixed;inset:0;background:var(--bg);z-index:300;display:grid;place-items:center;text-align:center;padding:24px}
.gate p{color:var(--muted)}

@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}

/* ---------- mobile / narrow ---------- */
@media (max-width:900px){
  .sidebar{position:fixed;top:0;bottom:0;left:0;width:min(86vw,320px);transform:translateX(-100%);margin-left:0!important;box-shadow:0 0 40px rgba(0,0,0,.5)}
  .app.sb-open .sidebar{transform:none}
  .app.sb-open .backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:25}
  .app #sbOpen{display:inline-grid!important}
  .messages{padding:4px 14px 18px}
  .composer-wrap{padding:0 10px calc(8px + var(--sb))}
  .bubble{max-width:88%}
  .empty h1{font-size:24px}
  .hint{display:none}
  .to-bottom{bottom:120px}
  .model-btn{font-size:15px}
}
@media (max-width:420px){ .pill span{display:none} .pill{padding:0 9px} }
@media (max-width:640px){ #tgBtn{display:none!important} .topbar{gap:4px;padding-left:6px;padding-right:6px} .bal-pill{padding:0 8px;font-size:12px;gap:5px} .bal-pill span{display:inline!important} .bal-pill .bal-sep{display:inline-block!important} .prompt-pill span{display:none} .prompt-pill{padding:0 9px} .model-btn{max-width:30vw;font-size:14px;padding:6px 4px} .topbar .icon-btn{width:32px} }

.icon-btn.fs-float svg{width:24px;height:24px}
.icon-btn.fs-float{position:fixed;z-index:60;border-radius:50%;background:rgba(28,28,28,.92);color:#e8e8e8}
.icon-btn.fs-float:hover{background:#2c2c2c}
@media (max-width:380px){ #balToday,.bal-pill .bal-sep{display:none!important} }
.view-banner{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:4px 2px 8px;padding:8px 6px 8px 12px;border-radius:12px;background:#2a2238;border:1px solid #4b3a6b;color:#e6dcff;font-size:13.5px}
.view-banner small{display:block;color:#a99cc9;font-size:11.5px}
.view-banner .icon-btn{width:30px;height:30px}
.user-hit{align-items:center;gap:10px}
.user-hit .t small{display:block;color:var(--muted);font-size:11.5px;overflow:hidden;text-overflow:ellipsis}
.avatar.sm{width:26px;height:26px;font-size:12px}
.view-note{border-color:#4b3a6b;background:#221c2e;color:#d6cbef}
.app.viewing .chat-item .more,.app.viewing .composer-wrap,.app.viewing #tgBtn,.app.viewing #shareBtn,.app.viewing #chatMenuBtn,.app.viewing #promptBtn,.app.viewing #undoBtn{display:none!important}
.modal-card p.muted,.muted{color:var(--muted);font-size:13px}
/* настройки */
.settings-card{height:min(760px,92dvh)}
.settings-card .modal-body{display:flex;flex-direction:column;padding-top:0;flex:1;min-height:0}
.s-tabs{display:flex;gap:4px;overflow-x:auto;padding:2px 0 10px;border-bottom:1px solid #2e2e2e;margin-bottom:6px;scrollbar-width:none;flex:none}
.s-tabs::-webkit-scrollbar{display:none}
.s-tabs button{flex:none;padding:7px 12px;border-radius:999px;color:var(--muted);font-size:13.5px;background:#1f1f1f;border:1px solid #333}
.s-tabs button.on{background:#fff;color:#000;border-color:#fff}
.s-pane{overflow:auto;flex:1;min-height:0;padding-bottom:8px}
.s-sec{font-weight:600;margin:16px 0 2px;font-size:14px}
.s-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.s-row .inp{flex:1;min-width:160px}
.s-row .sp{flex:1}
.s-val{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#ddd}
.seg.wrap{flex-wrap:wrap}.seg.wrap button{min-width:max-content}
.switch>span{display:flex;flex-direction:column;gap:2px}
.switch>span b{font-weight:500}
.switch small{font-size:12.5px;color:var(--dim)}
.s-chips{display:flex;flex-wrap:wrap;gap:6px}
.s-chips button{padding:6px 10px;border-radius:999px;background:#1f1f1f;border:1px solid #3a3a3a;color:var(--muted);font-size:13px}
.s-chips button.on{background:#2d3b55;border-color:#4a6aa5;color:#fff}
.s-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
@media (max-width:560px){.s-grid{grid-template-columns:1fr}}
.s-presets{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.s-preset{border:1px solid #333;border-radius:12px;padding:10px 12px;background:#1b1b1b}
.s-preset.on{border-color:#4a6aa5}
.s-pr-h{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.s-pr-p{margin:4px 0 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.field code{background:#2a2a2a;padding:1px 6px;border-radius:6px;font-size:12.5px}
@media (min-width:700px){.s-tabs{flex-wrap:wrap}}