:root{--bg:#f4f6fb;--card:#fff;--line:#e3e8f2;--text:#1f2533;--muted:#7a8499;--pri:#6fa6e6;--pri-d:#4f8ad6;--soft:#e8ecfb;--in:#f1f3f8;--out:#6fa6e6;--out-t:#fff;--danger:#e2574c;--ok:#3aa76d}
:root[data-theme=dark]{--bg:#141821;--card:#1d222e;--line:#2c3342;--text:#e6e9f0;--muted:#8d97ab;--soft:#283046;--in:#283046;--out:#3f6fb0}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;font:14px/1.5 -apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,sans-serif;background:var(--bg);color:var(--text);display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:10px;padding:8px 16px;background:var(--card);border-bottom:1px solid var(--line);flex-wrap:wrap}
.logo{font-size:18px;font-weight:700;margin-right:12px;white-space:nowrap}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{padding:7px 14px;border-radius:8px;color:var(--text);text-decoration:none;cursor:pointer;white-space:nowrap}
nav a.on{background:var(--soft);font-weight:600}
.grow{flex:1}.stats{display:flex;gap:8px}.stat{padding:4px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);font-size:12px;white-space:nowrap}.stat b{font-size:15px;color:var(--pri-d);margin-right:4px}
.who{white-space:nowrap}.status-sel{border-radius:18px;padding:5px 8px;width:auto;margin:0}
.icon-btn{border:0;background:var(--bg);border-radius:50%;width:34px;height:34px;cursor:pointer}
main{flex:1;min-height:0;overflow:auto}
.page{max-width:1080px;margin:0 auto;padding:24px 16px 60px}
.page h2{margin:0 0 6px}.muted{color:var(--muted)}.small{font-size:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin:18px 0;box-shadow:0 2px 8px rgba(30,50,90,.04)}
.card h3{margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
label{display:block;font-weight:600;margin:12px 0 0}label .hint{font-weight:400;color:var(--muted);font-size:12px;margin-left:8px}
input,select,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:9px 12px;width:100%;margin-top:6px}
input,select,textarea{font-weight:400}
textarea{min-height:84px;resize:vertical}input[type=checkbox]{width:auto;margin-right:6px}input[type=file]{padding:6px}
label.check{font-weight:500;display:flex;align-items:center}label.check input{margin-top:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}@media(max-width:720px){.grid2{grid-template-columns:1fr}.stats{display:none}}
.btn{border:0;border-radius:18px;padding:7px 16px;background:var(--soft);color:var(--text);cursor:pointer;font:inherit;font-weight:600;white-space:nowrap}
.btn.primary{background:var(--pri);color:#fff}.btn.primary:hover{background:var(--pri-d)}.btn.danger{background:var(--danger);color:#fff}.btn.ghost{background:transparent;border:1px solid var(--line)}
.btn.block{width:100%;margin-top:18px;padding:11px}.btn:disabled{opacity:.5;cursor:default}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:14px}
table{width:100%;border-collapse:collapse}th{text-align:left;background:var(--soft);padding:10px;font-size:12px}td{padding:10px;border-top:1px solid var(--line);vertical-align:top;word-break:break-word}
.tag{display:inline-block;padding:1px 9px;border-radius:10px;font-size:12px;background:var(--soft)}.tag.online{background:#d9f0e2;color:#22734a}.tag.busy{background:#fde7c7;color:#a2620b}.tag.offline{background:#f8d9d6;color:#a53a31}.tag.admin{background:#d5e6fb;color:#2c62a8}
.err{color:var(--danger);min-height:20px;margin-top:10px}
.login-body{align-items:center;justify-content:center}.login{width:360px;max-width:92vw}.login h1{margin:0 0 4px;font-size:22px}
/* 工作台 */
.wb{display:flex;height:100%}.side{width:340px;max-width:40vw;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--bg)}
.side .search{padding:10px}.side .search input{border-radius:20px;margin:0;background:var(--card)}
.tabs{display:flex;gap:6px;padding:0 10px 8px}.tabs a{flex:1;text-align:center;padding:6px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--muted)}.tabs a.on{background:var(--card);color:var(--text);font-weight:600}
.list{flex:1;overflow:auto;padding:0 6px 10px}
.item{background:var(--card);border-radius:10px;padding:10px 12px;margin-bottom:6px;cursor:pointer;border:1px solid transparent}
.item.on{background:var(--soft);border-color:var(--pri)}.item .l1{display:flex;gap:6px;align-items:center}.item .nm{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.item .tm{font-size:12px;color:var(--muted)}.item .l2{display:flex;gap:6px;color:var(--muted);font-size:13px;margin-top:3px}.item .pv{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{background:var(--pri);color:#fff;border-radius:10px;min-width:20px;text-align:center;font-size:12px;padding:0 6px}
.chat{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--card)}
.chat .hd{display:flex;gap:12px;align-items:center;padding:10px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}.chat .hd .nm{font-weight:700;font-size:16px}
.msgs{flex:1;overflow:auto;padding:16px 20px;background:var(--bg)}
.sep{text-align:center;margin:18px 0}.sep span{display:inline-block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:5px 16px;font-size:12px;color:var(--muted)}
.m{display:flex;margin:8px 0}.m.out{justify-content:flex-end}.bub{max-width:68%;padding:8px 12px;border-radius:12px;background:var(--card);border:1px solid var(--line);white-space:pre-wrap;word-break:break-word}
.m.out .bub{background:var(--out);color:var(--out-t);border-color:transparent}.bub .t{display:block;font-size:11px;opacity:.7;margin-top:3px;text-align:right}.bub img,.bub video{max-width:260px;max-height:260px;border-radius:8px;display:block}
.bub a{color:inherit}.bub .tr{font-size:12px;cursor:pointer;text-decoration:underline;opacity:.8;margin-left:8px}.bub .trs{display:block;border-top:1px dashed var(--line);margin-top:6px;padding-top:6px}
.comp{border-top:1px solid var(--line);padding:10px 14px;position:relative}.comp textarea{min-height:64px;margin:0}.comp .row{margin-top:8px}.comp .row input[type=text]{width:150px;margin:0;padding:6px 10px}
.pop{position:absolute;bottom:100%;left:14px;width:min(460px,90%);max-height:300px;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.15);padding:6px}
.pop div{padding:8px 10px;border-radius:8px;cursor:pointer}.pop div:hover{background:var(--soft)}.pop b{display:block}.pop span{color:var(--muted);font-size:12px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty{margin:auto;color:var(--muted);text-align:center;padding:40px}
.qr{border:1px solid var(--line);border-radius:12px;padding:14px;margin:8px 0 18px;background:var(--card)}.qr .body{white-space:pre-wrap;max-height:120px;overflow:auto;margin:6px 0 10px;padding-bottom:10px;border-bottom:1px solid var(--line)}.qr.off{opacity:.55}
.modal{position:fixed;inset:0;background:rgba(10,15,30,.45);display:flex;align-items:center;justify-content:center;z-index:20}.modal[hidden],.toast[hidden]{display:none}.modal .card{width:440px;max-width:92vw;margin:0}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:#222b;color:#fff;padding:9px 18px;border-radius:20px;z-index:30;backdrop-filter:blur(4px);max-width:90vw}
code{background:var(--soft);padding:2px 6px;border-radius:6px;word-break:break-all}
.bub img.stk{max-width:120px;max-height:120px}.bub video{width:260px;min-height:150px;background:#0003}
.av{position:relative;flex:none;width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px;overflow:hidden;user-select:none}
.av img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.item{display:flex;gap:10px;align-items:center}.item .bd{flex:1;min-width:0}
.chat .hd .av{width:36px;height:36px;font-size:15px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;max-height:72px;overflow:auto}.chips[hidden]{display:none}.chips.busy{opacity:.5;pointer-events:none}
.chip{border:1px solid var(--pri);background:transparent;color:var(--pri-d);border-radius:14px;padding:3px 12px;font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}.chip:hover{background:var(--pri);color:#fff}
.item .wait{color:var(--danger);font-size:12px;white-space:nowrap}
.bub a.lnk{text-decoration:underline;word-break:break-all}.bub.recalled{font-style:italic;opacity:.6;background:transparent;color:var(--muted);border:1px dashed var(--line)}
.bub .recall{cursor:pointer;margin-right:8px;text-decoration:underline;visibility:hidden}.m:hover .recall{visibility:visible}
.lb{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;cursor:zoom-out}.lb img{max-width:94vw;max-height:86vh;border-radius:6px}.lb-open{color:#fff;font-size:13px}
.att{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:var(--soft);border-radius:10px;padding:8px 10px;margin-bottom:8px}.att[hidden]{display:none}.att img{height:48px;max-width:90px;border-radius:6px;object-fit:cover}.att .anm{font-weight:600;word-break:break-all}
.chat.drag{outline:3px dashed var(--pri);outline-offset:-6px}
.ctag{background:#fde7c7;color:#8a5208;margin-left:5px;font-weight:500}.notebar{padding:6px 18px;background:#fff8e6;color:#6b4d08;font-size:13px;border-bottom:1px solid var(--line);white-space:pre-wrap;max-height:64px;overflow:auto}.notebar[hidden]{display:none}
:root[data-theme=dark] .notebar{background:#3a321c;color:#ecd9a3}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:16px}.tile{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}.tile b{display:block;font-size:26px;color:var(--pri-d)}.tile span{color:var(--muted);font-size:13px}
.back{display:none}
@media(max-width:760px){
.top{padding:6px 8px;gap:6px}.logo{font-size:15px;margin-right:2px}nav{flex-wrap:nowrap;overflow-x:auto;order:9;width:100%}.who{display:none}
.side{width:100%;max-width:none}.wb .chat{display:none}.wb.show-chat .side{display:none}.wb.show-chat .chat{display:flex}
.back{display:inline-block}.bub{max-width:86%}.chat .hd{padding:8px 10px;gap:6px}.msgs{padding:10px}.comp{padding:8px}
.page{padding:14px 10px 40px}.card{padding:14px}table{display:block;overflow-x:auto}.bub .recall{visibility:visible}
}
nav a{padding:7px 10px}.stat{padding:4px 9px}.top{gap:8px}
.bub .filelink{display:block;margin-bottom:2px}
.m .bub.recalled,.m.out .bub.recalled{font-style:italic;background:transparent;color:var(--muted);border:1px dashed var(--line);opacity:.8}