:root{
  --bg:#f7f8fa; --card:#ffffff; --line:#e6e8eb; --txt:#1a1d21; --sub:#8b9198;
  --brand:#2f6bff; --brand-soft:#eaf0ff; --ok:#17b26a; --warn:#f5a524; --err:#e5484d;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;overscroll-behavior-y:none}
.hidden{display:none !important}

/* 登录 */
.login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:100}
.login-box{width:min(88vw,360px);text-align:center;padding:24px}
.logo{font-size:52px;margin-bottom:6px}
.login-box h1{margin:0;font-size:24px;letter-spacing:1px}
.sub{color:var(--sub);margin:6px 0 22px;font-size:14px}
.login-box input{width:100%;padding:14px;border:1px solid var(--line);border-radius:12px;font-size:18px;
  text-align:center;letter-spacing:4px;background:#fff;outline:none}
.login-box input:focus{border-color:var(--brand)}
#loginBtn{width:100%;margin-top:12px;padding:14px;border:0;border-radius:12px;background:var(--brand);
  color:#fff;font-size:17px;font-weight:600}
#loginBtn:active{opacity:.85}
.err{color:var(--err);min-height:20px;margin-top:10px;font-size:14px}
.hint{color:var(--sub);font-size:12px;margin-top:18px;line-height:1.6}

/* 布局 */
.app{display:flex;flex-direction:column;height:100%;height:100dvh}
.topbar{display:flex;align-items:center;gap:8px;padding:calc(env(safe-area-inset-top,0px) + 8px) 12px 8px;
  background:var(--card);border-bottom:1px solid var(--line);flex:0 0 auto}
.icon-btn{border:0;background:transparent;font-size:22px;width:36px;height:36px;border-radius:10px;color:var(--txt)}
.icon-btn:active{background:var(--line)}
.topbar .title{flex:1;display:flex;align-items:center;gap:6px;min-width:0}
.topbar .title>span:first-child{font-weight:600;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.dot.online{background:var(--ok);box-shadow:0 0 0 3px rgba(23,178,106,.18)}
.dot.offline{background:#c7ccd1}
.bridge-txt{font-size:11px;color:var(--sub)}

/* 抽屉 */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.35);opacity:0;pointer-events:none;transition:.2s;z-index:40}
.mask.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;left:0;bottom:0;width:78vw;max-width:320px;background:var(--card);
  transform:translateX(-102%);transition:transform .22s ease;z-index:50;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top,0px)}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
.sess-list{flex:1;overflow:auto;padding:8px}
.sess-item{padding:12px;border-radius:10px;margin-bottom:6px;background:#f4f5f7;font-size:14px;cursor:pointer}
.sess-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-foot{padding:12px 14px;border-top:1px solid var(--line);font-size:13px}
.drawer-foot .kv{display:flex;justify-content:space-between;padding:5px 0;color:var(--sub)}
.drawer-foot .kv b{color:var(--txt);font-weight:600}
.ghost{width:100%;margin-top:10px;padding:10px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--err)}

/* 消息 */
.msgs{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:14px 12px 8px}
.row{display:flex;margin-bottom:14px;gap:8px;align-items:flex-start}
.row.me{flex-direction:row-reverse}
.avatar{width:30px;height:30px;border-radius:8px;flex:0 0 auto;display:flex;align-items:center;
  justify-content:center;font-size:16px;background:var(--brand-soft)}
.row.me .avatar{background:#eef0f3}
.bubble{max-width:78%;padding:10px 13px;border-radius:14px;background:var(--card);line-height:1.65;
  font-size:15px;white-space:pre-wrap;word-break:break-word;border:1px solid var(--line)}
.row.me .bubble{background:var(--brand);color:#fff;border-color:transparent}
.bubble pre{background:#1e2229;color:#e8eaed;padding:10px;border-radius:8px;overflow-x:auto;font-size:13px;
  white-space:pre;margin:8px 0}
.bubble code{background:rgba(0,0,0,.06);padding:1px 5px;border-radius:4px;font-size:13px}
.row.me .bubble code{background:rgba(255,255,255,.22)}
.bubble table{border-collapse:collapse;font-size:13px;margin:6px 0;width:100%}
.bubble td,.bubble th{border:1px solid var(--line);padding:6px 8px;text-align:left}

/* 工具卡片 */
.tool-card{max-width:82%;background:#fffaf0;border:1px solid #ffe2b0;border-radius:12px;padding:9px 12px;
  font-size:13px;color:#8a5a00;margin-bottom:8px}
.tool-card .tc-head{font-weight:600;margin-bottom:4px}
.tool-card pre{background:#fff;border:1px solid #ffe2b0;color:#5c3d00;padding:8px;border-radius:8px;
  overflow-x:auto;max-height:220px;font-size:12px;margin:6px 0 0;white-space:pre-wrap;word-break:break-all}
.tool-card.done{border-color:#bfe8cf;background:#f2fbf6;color:#0f6b3d}
.tool-card.done pre{background:#fff;border-color:#bfe8cf;color:#14532d}

/* 输入区 */
.composer{flex:0 0 auto;background:var(--card);border-top:1px solid var(--line);
  padding:8px 10px calc(8px + var(--safe-b))}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 8px;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 13px;
  font-size:13px;color:var(--txt)}
.chip:active{background:var(--brand-soft)}
.input-row{display:flex;gap:8px;align-items:flex-end}
#input{flex:1;max-height:120px;min-height:42px;border:1px solid var(--line);border-radius:12px;padding:11px 12px;
  font-size:16px;resize:none;outline:none;background:#fff;font-family:inherit;line-height:1.4}
#input:focus{border-color:var(--brand)}
.send{width:42px;height:42px;border-radius:12px;border:0;background:var(--brand);color:#fff;font-size:20px;flex:0 0 auto}
.send:active{opacity:.85}
.send:disabled{background:#c7ccd1}

/* 输入框上方的模型条 —— 一眼能看见的入口 */
.modelbar{display:flex;align-items:center;gap:6px;padding:8px 11px;margin-bottom:6px;
  border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--txt)}
.modelbar:active{background:var(--brand-soft)}
.modelbar .mb-txt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.modelbar .mb-go{color:var(--sub);font-size:12px}
.modelbar.warn{background:#fff7ed;border-color:#fed7aa;color:#9a3412}
.modelbar.warn .mb-go{color:#c2410c}
.modelbar.ok{border-color:#bfe8cf;background:#f2fbf6}

.mrow.pick{cursor:pointer}
.mrow.pick:active{background:var(--brand-soft)}
.mstar{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:5px 10px;font-size:12px;color:var(--brand)}
.mstar.on{background:var(--brand);color:#fff;border-color:transparent}

/* 设置页里的快捷厂商 */
.quick{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 4px}
.quick::-webkit-scrollbar{display:none}
.qbtn{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;font-size:13px}
.qbtn:active{background:var(--brand-soft)}
.qbtn.sel{background:var(--brand);color:#fff;border-color:transparent}

/* 设置页 */
.page{position:fixed;inset:0;background:var(--bg);z-index:60;display:flex;flex-direction:column}
.set-body{flex:1;overflow:auto;padding:14px 14px calc(30px + var(--safe-b))}
.set-body label{display:block;font-size:13px;color:var(--sub);margin:14px 0 6px}
.set-body input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff;outline:none;font-family:inherit}
.set-body input:focus{border-color:var(--brand)}
.setbtn{padding:12px 14px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:15px;color:var(--txt);width:100%;margin-top:12px}
.setbtn.primary{background:var(--brand);color:#fff;border-color:transparent;font-weight:600}
.setbtn:active{opacity:.85}
.set-actions{display:flex;gap:8px;margin-top:12px}
.set-actions .setbtn{margin-top:0;flex:1}
.probemsg{font-size:13px;margin-top:10px;color:var(--sub);word-break:break-all}
.probemsg.ok{color:var(--ok)} .probemsg.err{color:var(--err)}
.mlist{margin-top:10px;border:1px solid var(--line);border-radius:10px;background:#fff;max-height:44vh;overflow:auto}
.mrow{display:flex;align-items:center;gap:10px;padding:11px 12px;border-bottom:1px solid var(--line)}
.mrow:last-child{border-bottom:0}
.mrow input{width:20px;height:20px;flex:0 0 auto}
.mrow .mid{flex:1;word-break:break-all;font-family:ui-monospace,Consolas,monospace;font-size:13px}
.notice{font-size:12px;color:var(--sub);background:#f1f3f5;border-radius:8px;padding:6px 10px;margin:6px 0;line-height:1.5}

.typing{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sub);
  animation:bl 1s infinite;margin-right:3px}
@keyframes bl{0%,100%{opacity:.25}50%{opacity:1}}