:root{--grad:linear-gradient(180deg,#DE03FE,#0501FE);--low:#a78bfa;--high:#60a5fa;--max:#4ade80;--bg:#000;--fg:#e6e6e6;--dim:#8a8a8a;--line:#1f1f1f;--line2:#2c2c2c;--panel:#0a0a0a;--accent:#fff;--danger:#ff5c5c;--user:#141414}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Inter",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,input,textarea{font:inherit;color:inherit;background:none;border:0}
button{cursor:pointer}
a{color:var(--fg)}
[hidden]{display:none!important}
.screen{height:100%}
.wordmark{font-weight:600;letter-spacing:.02em;font-size:18px}

/* login */
#login{display:flex;align-items:center;justify-content:center}
#loginForm{width:min(320px,90vw);display:flex;flex-direction:column;gap:12px}
#loginForm .wordmark{margin-bottom:12px;text-align:center}
#loginForm input{border:1px solid var(--line2);padding:12px 14px;border-radius:8px;background:var(--panel)}
#loginForm input:focus{outline:none;border-color:#555}
#loginForm button{border:1px solid var(--accent);background:var(--accent);color:#000;padding:11px;border-radius:8px;font-weight:600}
.err{color:var(--danger);font-size:13px;min-height:1em;text-align:center}

/* layout */
#app{display:flex}
#sidebar{width:260px;flex:none;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:14px 12px;gap:10px;background:var(--bg)}
.side-top{display:flex;align-items:center;justify-content:space-between;padding:6px 6px 0;margin-bottom:8px}
.logo{font-family:"Jersey 20",monospace;font-size:36px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

#closeSide{display:none}
.side-action{text-align:left;padding:8px 10px;border-radius:8px;color:var(--dim);display:flex;align-items:center;gap:8px;margin-bottom:50px}
.side-action:hover{color:var(--fg);background:var(--panel)}
#instList{flex:1;overflow:auto;display:flex;flex-direction:column;gap:2px}
.group-h{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);padding:12px 10px 4px;display:flex;align-items:center;gap:6px;cursor:pointer;user-select:none}
.group-h:hover span{color:var(--fg)}
.inst{cursor:pointer}
.ghost{opacity:.3}
.group-items{min-height:6px}
.group-h span{flex:1}
.group-h .icon-btn{padding:2px 4px;font-size:12px;opacity:.5}
.group-h:hover .icon-btn{opacity:1}
.inst{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;text-align:left;width:100%;overflow:hidden}
.inst:hover{background:var(--panel)}
.inst.active{background:var(--panel);color:#fff}
.inst .dot{width:6px;height:6px;border-radius:50%;background:var(--line2);flex:none}
.inst .dot.on{background:#fff}
.inst .dot.busy{background:#fff;animation:blink 1s infinite}
.inst span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-bottom{border-top:1px solid var(--line);padding-top:10px;display:flex;justify-content:flex-start}
.link{color:var(--dim);padding:6px 10px;border-radius:6px}
.link:hover{color:var(--fg)}
.link.danger:hover{color:var(--danger)}
#scrim{display:none}

#main{flex:1;display:flex;flex-direction:column;min-width:0;height:100%}
#topbar{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);min-height:52px}
#openSide{display:none}
.title{font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill-jev{border:1px solid var(--line2);border-radius:999px;padding:3px 10px}
.pill-jev:empty{display:none}
.icon-btn{color:var(--dim);padding:6px 8px;border-radius:6px;font-size:18px;line-height:0;display:inline-flex}
.ic{display:inline-flex;line-height:0;vertical-align:-.15em}
.ic svg{display:block}
.link .ic,.pill .ic{margin-right:5px;font-size:13px}
.link,.pill{display:inline-flex;align-items:center}
.icon-btn:hover{color:var(--fg);background:var(--panel)}

/* chat */
#chat{flex:1;overflow-y:auto;padding:0 14px;scroll-behavior:smooth}
#messages{max-width:760px;margin:0 auto;padding:20px 0 24px;display:flex;flex-direction:column;gap:18px}
.empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center}
.orb{width:56px;height:56px;border-radius:50%;border:2px solid transparent;background:linear-gradient(#000,#000) padding-box,var(--grad) border-box}
.greet{font-size:26px;font-weight:600}
.sub{color:var(--dim)}

.msg{display:flex;flex-direction:column;gap:6px}
.msg.user{align-items:flex-end;margin:18px 0}
.msg.user .bubble{background:var(--user);border-radius:14px;padding:10px 14px;max-width:85%;white-space:pre-wrap;word-break:break-word}
.msg.assistant .md{max-width:100%;word-break:break-word}
.md>*:first-child{margin-top:0}.md>*:last-child{margin-bottom:0}
.md p{margin:.6em 0}
.md pre{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 12px;overflow-x:auto;font-size:13px}
.md code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}
.md :not(pre)>code{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:0 4px}
.md h1,.md h2,.md h3{font-size:1.05em;margin:1em 0 .4em}
.md ul,.md ol{padding-left:1.3em}
.md table{border-collapse:collapse;font-size:13px}.md td,.md th{border:1px solid var(--line2);padding:4px 8px}
.md blockquote{border-left:2px solid var(--line2);margin:0;padding-left:12px;color:var(--dim)}

.activity{border:1px solid var(--line);border-radius:10px;font-size:13px;color:var(--dim);overflow:hidden}
.activity>summary{list-style:none;padding:8px 12px;cursor:pointer;display:flex;gap:8px;align-items:center;user-select:none}
.activity>summary::-webkit-details-marker{display:none}
.activity>summary .chev{transition:transform .15s;flex:none;font-size:14px}
.activity[open]>summary .chev{transform:rotate(90deg)}
.activity>summary .txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.activity.live>summary .txt::after{content:"…"}
.steps{border-top:1px solid var(--line);padding:4px 0}
.step{padding:6px 12px}
.step .head{display:flex;gap:8px;align-items:baseline;cursor:pointer}
.step .head .name{color:var(--fg);font-family:ui-monospace,Menlo,monospace;font-size:12px;flex:none}
.step .head .what{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.step .head .st{flex:none}
.step.error .head .st{color:var(--danger)}
.step pre{margin:6px 0 0;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:8px 10px;overflow-x:auto;font-size:12px;max-height:320px;white-space:pre-wrap;word-break:break-word}
.jev{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--dim);align-self:flex-start;cursor:default;position:relative}
.jev .ic{font-size:13px}
.jev.low{color:var(--low)}.jev.high{color:var(--high)}.jev.max{color:var(--max)}
.jev .tip{display:none;position:absolute;left:0;top:calc(100% + 6px);background:var(--panel);border:1px solid var(--line2);border-radius:8px;padding:8px 10px;white-space:nowrap;z-index:5;color:var(--dim);font-size:12px;font-weight:400;letter-spacing:0;line-height:1.7}
#badge .tip{left:auto;right:0}
.jev:hover .tip,.jev.open .tip{display:block}
.thinking{color:var(--dim);font-size:13px}
.thinking::after{content:"";animation:dots 1.2s steps(4,end) infinite}
.sys{color:var(--dim);font-size:13px;text-align:center}
.sys.error{color:var(--danger)}
.ask{border:1px solid var(--line2);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:8px}
.ask .opts{display:flex;flex-wrap:wrap;gap:6px}
.ask .opts button,.ask input{border:1px solid var(--line2);border-radius:8px;padding:6px 12px}
.ask .opts button:hover{border-color:#fff}

/* composer */
#composer{padding:8px 14px calc(12px + env(safe-area-inset-bottom))}
.box{max-width:760px;margin:0 auto;border:1px solid var(--line2);border-radius:22px;padding:6px 6px 6px 16px;background:var(--bg);display:flex;align-items:flex-end;gap:8px}
.box:focus-within{border-color:#555}
#input{flex:1;min-width:0;resize:none;max-height:40vh;line-height:22px;padding:5px 0;height:32px}
#input:focus{outline:none}
.row{display:flex;align-items:center;gap:6px;flex:none}
.pills{display:flex;gap:6px;align-items:center}
.pill{font-size:12px;border:1px solid var(--line2);border-radius:999px;padding:3px 10px;color:var(--dim)}
.pill.danger{color:var(--danger);border-color:var(--danger)}
.pill.muted:empty{display:none}
.send{width:32px;height:32px;border-radius:50%;background:#fff;color:#000;font-size:18px;display:flex;align-items:center;justify-content:center}
.send:disabled{background:var(--line2);color:var(--dim)}
.queue-note{max-width:760px;margin:0 auto 6px;font-size:12px;color:var(--dim);padding:0 6px}

/* dialog */
dialog{background:var(--bg);color:var(--fg);border:1px solid var(--line2);border-radius:12px;padding:18px;width:min(380px,92vw)}
dialog::backdrop{background:rgba(0,0,0,.7)}
dialog form{display:flex;flex-direction:column;gap:12px}
dialog label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--dim)}
dialog input{border:1px solid var(--line2);border-radius:8px;padding:9px 12px;font-size:15px;color:var(--fg)}
dialog input:focus{outline:none;border-color:#555}
.dlg-title{font-weight:600}
.dlg-actions{display:flex;gap:6px;align-items:center;margin-top:4px}
.spacer{flex:1}
.primary{background:#fff;color:#000;border-radius:8px;padding:7px 14px;font-weight:600}

#toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#fff;color:#000;padding:8px 14px;border-radius:8px;font-size:13px;z-index:20}

@keyframes blink{50%{opacity:.2}}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}

@media (max-width:800px){
  #sidebar{position:fixed;inset:0 auto 0 0;z-index:10;transform:translateX(-100%);transition:transform .18s;width:min(300px,85vw)}
  #app.side-open #sidebar{transform:none}
  #app.side-open #scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:9}
  #openSide,#closeSide{display:inline-block}
  .msg.user .bubble{max-width:92%}
}