:root{
  --bg:#0b1020;
  --bg2:#0d1428;
  --panel:#131b33;
  --panel2:#1a2442;
  --line:#222d4d;
  --text:#e9e7df;
  --muted:#8d95ad;
  --faint:#5f6780;
  --accent:#7aa2ff;
  --accent2:#9f7bff;
  --me:#1e3a8a;
  --danger:#e07a7a;
  --ok:#4ade80;
  --app-h:100dvh;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(900px 500px at 20% -10%, rgba(64,92,180,.22), transparent 60%),
    radial-gradient(700px 420px at 110% 10%, rgba(120,80,200,.14), transparent 55%),
    var(--bg);
  color:var(--text);
  font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}
#app{
  height:var(--app-h,100dvh);
  max-width:1120px;
  margin:0 auto;
  display:flex;
  flex-direction:row;
  position:relative;
}
#chat{
  flex:1;
  min-width:0;
  height:100%;
  display:flex;
  flex-direction:column;
  position:relative;
}

#sidebar{
  width:262px;
  flex:0 0 262px;
  height:100%;
  display:flex;
  flex-direction:column;
  border-right:1px solid rgba(34,45,77,.7);
  background:rgba(9,13,27,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.side-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:12px 10px 10px;
  padding-top:calc(10px + env(safe-area-inset-top));
  border-bottom:1px solid rgba(34,45,77,.55);
}
.side-title{font-size:13px;color:var(--muted);letter-spacing:.08em}
.new-btn{
  background:#1a2442;border:1px solid #334166;color:#dfe5f5;
  border-radius:9px;padding:6px 10px;font-size:12px;cursor:pointer;white-space:nowrap;
}
.new-btn:hover{border-color:#4b63a8}
.conv-list{flex:1;overflow-y:auto;padding:7px;scrollbar-width:thin;scrollbar-color:#2a365a transparent}
.conv-item{
  width:100%;text-align:left;border:1px solid transparent;background:transparent;
  color:var(--text);border-radius:10px;padding:9px 10px;margin:2px 0;cursor:pointer;
}
.conv-item:hover{background:rgba(26,36,66,.7)}
.conv-item.active{background:rgba(36,52,102,.9);border-color:#334166}
.conv-item .ct{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv-item .cm{display:block;font-size:11px;color:var(--faint);margin-top:2px}
.conv-empty{color:var(--faint);font-size:12px;text-align:center;padding:18px 8px}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.48);z-index:25}
.backdrop[hidden]{display:none}
.menu{display:none;width:36px;height:36px;font-size:16px;align-items:center;justify-content:center}
.top{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px 10px;
  padding-top:calc(10px + env(safe-area-inset-top));
  border-bottom:1px solid rgba(34,45,77,.65);
  background:rgba(11,16,32,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  z-index:2;
}
.brand{display:flex;align-items:center;gap:8px;min-width:0}
.name{font-weight:650;letter-spacing:.04em}
#conv-title{max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.stat{font-size:12px;color:var(--faint);margin-left:2px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--faint);box-shadow:0 0 0 3px rgba(95,103,128,.12);flex:0 0 auto}
.dot.online{background:var(--ok);box-shadow:0 0 0 3px rgba(74,222,128,.14)}
.dot.busy{background:var(--accent);box-shadow:0 0 0 3px rgba(122,162,255,.16);animation:pulse 1.6s ease-in-out infinite}
.dot.offline{background:var(--danger);box-shadow:0 0 0 3px rgba(224,122,122,.14)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.ghost{
  background:transparent;border:1px solid var(--line);color:var(--muted);
  border-radius:9px;padding:5px 10px;font-size:12px;cursor:pointer;
}
.ghost:hover{color:var(--text);border-color:#334166}

#log{
  flex:1;overflow-y:auto;overflow-x:hidden;
  padding:14px 14px 22px;
  scrollbar-width:thin;scrollbar-color:#2a365a transparent;
}
#log::-webkit-scrollbar{width:6px}
#log::-webkit-scrollbar-thumb{background:#2a365a;border-radius:6px}
.msg{display:flex;flex-direction:column;margin:9px 0;animation:in .18s ease-out}
@keyframes in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.msg.me{align-items:flex-end}
.msg.ai{align-items:flex-start}
.bubble{
  max-width:min(86%,620px);
  padding:9px 13px;
  border-radius:16px;
  word-break:break-word;
  white-space:normal;
  line-height:1.65;
}
.me .bubble{
  background:linear-gradient(135deg,#1e3a8a,#243b7a);
  border-bottom-right-radius:5px;
  box-shadow:0 6px 18px rgba(17,34,90,.25);
}
.ai .bubble{
  background:rgba(21,29,54,.92);
  border:1px solid rgba(35,48,79,.9);
  border-bottom-left-radius:5px;
}
.bubble p{margin:.35em 0}
.bubble p:first-child{margin-top:0}
.bubble p:last-child{margin-bottom:0}
.bubble strong{color:#fff;font-weight:650}
.bubble a{color:#9dbaff;text-decoration:none;border-bottom:1px solid rgba(157,186,255,.35)}
.bubble code{
  font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  font-size:.9em;background:rgba(0,0,0,.28);padding:1px 5px;border-radius:5px;
}
.bubble pre{
  background:#0c1224;border:1px solid #202b49;border-radius:10px;
  padding:10px 12px;overflow:auto;margin:.55em 0;
}
.bubble pre code{background:none;padding:0;font-size:.88em;line-height:1.55}
.bubble blockquote{
  margin:.5em 0;padding:.1em 0 .1em 10px;border-left:2px solid #334166;color:#c2c9dd;
}
.meta{font-size:11px;color:var(--faint);margin:4px 3px 0}
.think{
  margin:2px 3px 6px;font-size:12px;color:var(--muted);
  max-width:min(86%,620px);
}
.think summary{cursor:pointer;color:var(--faint);user-select:none}
.think pre{
  white-space:pre-wrap;background:rgba(10,15,30,.65);border:1px solid #1d2744;
  border-radius:9px;padding:8px 10px;margin:6px 0 0;max-height:220px;overflow:auto;
  font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;color:#9aa3bb;
}
.state{font-size:11px;color:var(--faint);margin:3px 4px 0;min-height:14px}
.typing{display:inline-flex;gap:4px;align-items:center;padding:2px 0}
.typing i{width:5px;height:5px;border-radius:50%;background:#8ea7e8;display:block;animation:blink 1.15s infinite ease-in-out}
.typing i:nth-child(2){animation-delay:.16s}
.typing i:nth-child(3){animation-delay:.32s}
@keyframes blink{0%,70%,100%{opacity:.25;transform:translateY(0)}35%{opacity:1;transform:translateY(-2px)}}
.msg.error .bubble{border-color:rgba(224,122,122,.5);color:#f0b4b4}
.retry{
  margin-top:6px;background:#2a3350;border:1px solid #3b4a78;color:#dfe5f5;
  border-radius:8px;padding:4px 9px;font-size:12px;cursor:pointer;
}
.notice{
  margin:0 12px 6px;padding:7px 11px;border-radius:9px;
  font-size:12px;color:#c7d2ef;background:rgba(30,45,85,.8);border:1px solid #2b3b66;
}
.notice.warn{color:#f3d8a0;background:rgba(70,50,20,.65);border-color:#5c4722}
.notice.bad{color:#f0b4b4;background:rgba(70,28,34,.65);border-color:#5c2a32}

#composer{
  border-top:1px solid rgba(34,45,77,.8);
  background:rgba(11,16,32,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:8px 12px calc(10px + env(safe-area-inset-bottom));
}
.row{display:flex;align-items:flex-end;gap:8px}
#input{
  flex:1;resize:none;min-height:42px;max-height:140px;
  background:#121a31;border:1px solid #263255;color:var(--text);
  border-radius:13px;padding:10px 12px;font:15px/1.5 inherit;
  outline:none;transition:border-color .15s;
}
#input:focus{border-color:#3c5aa8}
#input::placeholder{color:#5f6780}
.send{
  background:linear-gradient(135deg,#3b63d8,#6a4fd8);
  border:0;color:#fff;border-radius:12px;padding:0 16px;height:42px;
  font-size:14px;font-weight:600;cursor:pointer;flex:0 0 auto;
}
.send:disabled{opacity:.45;cursor:default}
.icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:#121a31;border:1px solid #263255;color:#9aa3bb;
  font-size:20px;line-height:1;cursor:pointer;
}
.thumbs{display:flex;gap:6px;padding:2px 0 6px;flex-wrap:wrap}
.thumb{position:relative}
.thumb img{width:52px;height:52px;object-fit:cover;border-radius:9px;border:1px solid #2a3350;display:block}
.thumb button{
  position:absolute;top:-5px;right:-5px;width:18px;height:18px;border-radius:50%;
  border:1px solid #3a4568;background:#0b1020;color:#c9d2ea;font-size:11px;line-height:1;cursor:pointer;
}

.actions{display:flex;align-items:center;gap:8px}
.badge{
  border-color:rgba(224,122,122,.45);color:#f0b4b4;background:rgba(70,28,34,.35);
}
.badge[hidden]{display:none}

.approval-box{
  width:min(92vw,520px);max-height:78vh;display:flex;flex-direction:column;
  background:#101830;border:1px solid #263255;border-radius:16px;padding:16px;
  box-shadow:0 20px 60px rgba(0,0,0,.45);
}
.approval-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.approval-list{overflow:auto;display:flex;flex-direction:column;gap:10px}
.approval-item{
  border:1px solid #263255;border-radius:11px;padding:11px 12px;background:#121a31;
}
.approval-item h4{margin:0 0 5px;font-size:14px;font-weight:600}
.approval-item .risk{font-size:11px;color:#f0b4b4;margin-left:6px}
.approval-item .why{font-size:12px;color:var(--muted);margin:6px 0;white-space:pre-wrap;word-break:break-word}
.approval-item .detail{
  font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;
  color:#aeb8d3;background:#0c1224;border:1px solid #1d2744;border-radius:8px;
  padding:7px 9px;margin:6px 0;max-height:140px;overflow:auto;white-space:pre-wrap;word-break:break-word;
}
.approval-item .row2{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}
.approval-item .row2 button{
  border:1px solid #334166;background:#1a2442;color:#dfe5f5;border-radius:8px;
  padding:5px 11px;font-size:12px;cursor:pointer;
}
.approval-item .row2 .yes{border-color:#2f6b4a;background:#163524;color:#b8f0cd}
.approval-item .row2 .no{border-color:#6b3038;background:#35171b;color:#f0b4b4}

.login{
  position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;
  background:rgba(8,12,24,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  padding:24px;
}
.login[hidden]{display:none}
.login-box{width:min(88vw,360px);display:flex;flex-direction:column;gap:10px}
.login-title{text-align:center;font-size:22px;font-weight:650;letter-spacing:.08em;margin-bottom:4px}
.login-box input{
  background:#121a31;border:1px solid #263255;color:var(--text);
  border-radius:12px;padding:11px 13px;font-size:16px;outline:none;
}
.login-box input:focus{border-color:#3c5aa8}
.login-box .send{height:44px}
.err{color:var(--danger);font-size:12px;text-align:center;min-height:16px}

@media (max-width:760px){
  #app{max-width:780px}
  #sidebar{
    position:fixed;left:0;top:0;bottom:0;width:min(84vw,330px);z-index:30;
    transform:translateX(-105%);transition:transform .2s ease;
    box-shadow:18px 0 50px rgba(0,0,0,.35);
  }
  #app.side-open #sidebar{transform:none}
  #app.side-open #backdrop{display:block}
  .menu{display:inline-flex}
  #conv-title{max-width:38vw}
}
@media (min-width:761px){
  #sidebar{transform:none!important}
  #backdrop{display:none!important}
}
@media (max-width:520px){
  .bubble{max-width:90%}
  .top{padding-left:13px;padding-right:13px}
  #log{padding-left:11px;padding-right:11px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}