:root{--bg:#f5f6f8;--fg:#1d2330;--mut:#667085;--line:#e3e6ec;--pri:#2d7ff9;--ok:#12a150;--warn:#d98e04;--bad:#d92d20}
*{box-sizing:border-box}body{margin:0;font:15px/1.45 system-ui,sans-serif;background:var(--bg);color:var(--fg)}
header{background:#fff;border-bottom:1px solid var(--line);padding:10px 24px;display:flex;gap:20px;align-items:center}
header a{color:var(--fg);text-decoration:none;font-weight:500}header a:hover{color:var(--pri)}header .sp{flex:1}
main{max-width:1180px;margin:24px auto;padding:0 24px}h1{font-size:22px;margin:0 0 16px}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:#fafbfc;color:var(--mut);font-weight:600;font-size:13px}
.btn{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--fg);cursor:pointer;font-size:14px;text-decoration:none}
.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff}.btn.bad{color:var(--bad)}.btn:hover{filter:brightness(.96)}
form.inline{display:inline}.badge{padding:2px 9px;border-radius:10px;font-size:13px;color:#fff;white-space:nowrap}
.connected{background:var(--ok)}.unauthorized{background:var(--bad)}.problem{background:var(--warn)}
.err{color:var(--bad);font-size:13px;max-width:280px;word-break:break-word}.mut{color:var(--mut)}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;max-width:520px}
label{display:block;margin:12px 0 4px;font-weight:500}input[type=text],input[type=password],input[type=search],select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font-size:15px}
.row{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.row input[type=search]{max-width:340px}.row select{max-width:240px}
.chat{display:flex;flex-direction:column;gap:8px;max-width:760px}.msg{padding:8px 12px;border-radius:10px;max-width:80%;white-space:pre-wrap;word-break:break-word}
.msg.in{background:#fff;border:1px solid var(--line);align-self:flex-start}.msg.out{background:#dbeafe;align-self:flex-end}
.msg small{display:block;color:var(--mut);font-size:12px;margin-top:3px}.qr img{width:280px;height:280px;border:1px solid var(--line);background:#fff;padding:6px}
.pager{margin-top:14px;display:flex;gap:8px;align-items:center}