:root{--bg:#0f0f17;--panel:#171723;--panel2:#1f1f2e;--line:#2a2a3c;--text:#e8e8f0;--muted:#8b8ba3;--accent:#ff3d57;--accent2:#ff6b81;--ok:#34d399;--warn:#fbbf24;--user:#2b2b44;--r:14px;--safe-b:env(safe-area-inset-bottom)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:var(--panel2);border-radius:10px;padding:8px 12px}
button:active{transform:scale(.97)}
.hidden{display:none!important}
.muted{color:var(--muted)}.small{font-size:12px}
.err{color:var(--accent2);min-height:1.2em}
.primary{background:var(--accent);color:#fff;font-weight:600}
.icon{background:transparent;font-size:20px;padding:6px 10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.logo{width:56px;height:56px;border-radius:16px;background:var(--accent);display:grid;place-items:center;font-size:26px;color:#fff;margin:0 auto 8px}
.logo.big{width:72px;height:72px;font-size:34px}

.screen{height:100%;display:grid;place-items:center;padding:20px}
.login-card{width:100%;max-width:340px;background:var(--panel);padding:28px;border-radius:20px;text-align:center;border:1px solid var(--line)}
.login-card h1{margin:4px 0}
.login-card input{width:100%;padding:12px 14px;margin:18px 0 10px;border-radius:12px;border:1px solid var(--line);background:var(--bg);outline:none}
.login-card input:focus{border-color:var(--accent)}
.login-card button{width:100%;padding:12px}

#app{display:flex;height:100dvh;overflow:hidden}
#sidebar{width:280px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0}
.side-head,.side-foot{padding:12px;display:flex;gap:8px}
.side-head button{flex:1;padding:11px}
.side-foot{border-top:1px solid var(--line);padding-bottom:calc(12px + var(--safe-b))}
.side-foot button{flex:1;font-size:13px}
#conv-list{flex:1;overflow-y:auto;padding:0 8px}
.conv{display:flex;align-items:center;gap:6px;padding:10px 12px;border-radius:10px;cursor:pointer;margin-bottom:2px}
.conv:hover{background:var(--panel2)}.conv.active{background:var(--user)}
.conv .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.conv .d{opacity:.0;background:none;padding:2px 6px;font-size:14px}
.conv:hover .d,.conv.active .d{opacity:.7}
.conv .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 1.2s infinite}
.group-label{font-size:11px;color:var(--muted);padding:10px 12px 4px;text-transform:uppercase;letter-spacing:.05em}
#backdrop{display:none}

main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}
header{display:flex;align-items:center;gap:8px;padding:8px 10px;padding-top:calc(8px + env(safe-area-inset-top));border-bottom:1px solid var(--line);background:var(--bg)}
.title-wrap{flex:1;min-width:0}
#title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#model{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:6px 8px;max-width:42vw;font-size:13px}
#menu{display:none}

#messages{flex:1;overflow-y:auto;padding:16px 12px 8px;scroll-behavior:auto;overscroll-behavior:contain}
.empty{text-align:center;margin-top:12vh;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px;padding:0 10px}
.chips button{font-size:13px;border:1px solid var(--line);background:var(--panel)}
.msg{max-width:820px;margin:0 auto 14px;display:flex;flex-direction:column}
.msg.user{align-items:flex-end}
.bubble{padding:10px 14px;border-radius:var(--r);max-width:92%;overflow-wrap:anywhere}
.msg.user .bubble{background:var(--user);border-bottom-right-radius:4px;white-space:pre-wrap}
.msg.assistant .bubble{background:transparent;padding:4px 2px;max-width:100%}
.msg.event .bubble{background:var(--panel);border:1px solid var(--line);font-size:13.5px;color:#cfcfe0;white-space:pre-wrap}
.msg.event.error .bubble{border-color:#5b2330;color:#ffb3bf}
.meta{font-size:11px;color:var(--muted);margin-top:3px;padding:0 4px}
.bubble p{margin:.4em 0}.bubble p:first-child{margin-top:0}.bubble p:last-child{margin-bottom:0}
.bubble pre{background:#0a0a10;border:1px solid var(--line);border-radius:10px;padding:10px;overflow-x:auto;font-size:12.5px;position:relative}
.bubble code{font-family:ui-monospace,"JetBrains Mono",Menlo,monospace;font-size:.9em}
.bubble :not(pre)>code{background:var(--panel2);padding:1px 5px;border-radius:5px}
.bubble a{color:var(--accent2)}
.bubble ul,.bubble ol{padding-left:1.3em;margin:.4em 0}
.bubble h1,.bubble h2,.bubble h3,.bubble h4{margin:.7em 0 .3em;font-size:1.05em}
.bubble table{border-collapse:collapse;display:block;overflow-x:auto;font-size:13px}
.bubble td,.bubble th{border:1px solid var(--line);padding:4px 8px}
.bubble blockquote{border-left:3px solid var(--line);margin:.4em 0;padding-left:10px;color:var(--muted)}
.copy{position:absolute;top:6px;right:6px;font-size:11px;padding:2px 8px;opacity:.75}

.tool{max-width:820px;margin:0 auto 8px;border:1px solid var(--line);background:var(--panel);border-radius:12px;font-size:13px;overflow:hidden}
.tool summary{padding:8px 12px;cursor:pointer;display:flex;gap:8px;align-items:center;list-style:none}
.tool summary::-webkit-details-marker{display:none}
.tool .n{font-family:ui-monospace,monospace;color:#c7c7ff}
.tool .a{flex:1;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px}
.tool pre{margin:0;padding:10px 12px;border-top:1px solid var(--line);white-space:pre-wrap;word-break:break-word;max-height:320px;overflow:auto;font-size:12px;background:#0b0b12}
.tool .st{font-size:12px}
.spin{display:inline-block;width:12px;height:12px;border:2px solid var(--muted);border-top-color:var(--accent);border-radius:50%;animation:rot .8s linear infinite}
.thinking{max-width:820px;margin:0 auto 10px;color:var(--muted);font-size:13px;display:flex;gap:8px;align-items:center}
.progress-line{font-family:ui-monospace,monospace;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70vw}

.att{display:flex;flex-direction:column;gap:6px;margin-top:6px;max-width:92%}
.att img,.att video{max-width:100%;max-height:60vh;border-radius:12px;background:#000;display:block}
.att audio{width:100%}
.file-card{display:flex;align-items:center;gap:10px;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:8px 12px;text-decoration:none;color:var(--text);font-size:13px}
.file-card .fn{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

footer{border-top:1px solid var(--line);padding:8px 10px calc(8px + var(--safe-b));background:var(--bg)}
#composer{display:flex;align-items:flex-end;gap:4px;max-width:820px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:4px}
#composer:focus-within{border-color:#45455f}
#input{flex:1;resize:none;border:0;outline:0;background:transparent;padding:9px 4px;max-height:40vh;font-size:16px}
.send{background:var(--accent);color:#fff;border-radius:50%;width:40px;height:40px;font-size:16px;padding:0}
.send:disabled{opacity:.4}
.stop{background:var(--panel2);border-radius:50%;width:40px;height:40px;font-size:14px;padding:0;color:var(--accent2)}
#pending-files{display:flex;flex-wrap:wrap;gap:6px;max-width:820px;margin:0 auto}
#pending-files:not(:empty){margin-bottom:6px}
.pf{background:var(--panel2);border-radius:10px;padding:4px 10px;font-size:12px;display:flex;gap:6px;align-items:center}
.pf .bar{height:3px;background:var(--accent);border-radius:2px;transition:width .2s}
.pf button{background:none;padding:0 2px}

#jobs-panel{position:absolute;right:10px;left:10px;bottom:80px;max-width:520px;margin:0 auto;max-height:50vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:10px;z-index:5;box-shadow:0 10px 40px #0008}
.job{padding:8px;border-bottom:1px solid var(--line);font-size:13px}
.job:last-child{border:0}
.job pre{white-space:pre-wrap;font-size:11px;color:var(--muted);margin:4px 0 0;max-height:90px;overflow:auto}
.badge{font-size:11px;border-radius:6px;padding:1px 6px;background:var(--panel2)}
.badge.running{color:var(--warn)}.badge.done{color:var(--ok)}.badge.failed{color:var(--accent2)}

.approval{max-width:820px;margin:0 auto 12px;border:1px solid #7a5a12;background:#2a2210;border-radius:14px;padding:12px;font-size:14px}
.approval pre{white-space:pre-wrap;word-break:break-all;font-size:12px;background:#0b0b12;border-radius:8px;padding:8px;max-height:200px;overflow:auto}
.approval .row{display:flex;gap:8px;margin-top:8px}.approval .row button{flex:1;padding:10px}
#menu.alert::after{content:'';position:absolute;width:9px;height:9px;border-radius:50%;background:var(--warn);transform:translate(10px,-10px)}
@keyframes rot{to{transform:rotate(360deg)}}
@keyframes pulse{50%{opacity:.35}}

@media (max-width:800px){
  #sidebar{position:fixed;inset:0 auto 0 0;z-index:20;transform:translateX(-100%);transition:transform .22s ease;width:84vw;max-width:320px}
  #app.side-open #sidebar{transform:none}
  #app.side-open #backdrop{display:block;position:fixed;inset:0;background:#0009;z-index:15}
  #menu{display:inline-flex}
  .conv .d{opacity:.6}
}