:root{
  --bg:#0e1117; --panel:#161b25; --panel2:#1c2330; --line:#252d3b;
  --fg:#e6ebf2; --dim:#8b97a8; --ok:#3ddc84; --off:#5a6474;
  --acc:#4c8dff; --warn:#ffb020; --err:#ff5c5c;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--bg); color:var(--fg);
  font:14px/1.6 "Segoe UI","Microsoft YaHei",system-ui,sans-serif;
}
.hidden{display:none !important}
.grow{flex:1}
.sub{color:var(--dim);font-size:12px}
.err{color:var(--err);font-size:13px;min-height:18px;margin-top:8px}
.hint{color:var(--warn);font-size:12px;margin:0 0 12px}

/* ---------- 登录 ---------- */
.login-wrap{
  min-height:100%; display:flex; align-items:center; justify-content:center;
  background:radial-gradient(1000px 500px at 50% -10%,#1a2436,var(--bg));
}
.login-card{
  width:340px; padding:32px; background:var(--panel);
  border:1px solid var(--line); border-radius:14px; text-align:center;
}
.login-card h1{font-size:19px;margin:0 0 4px}
.login-card .sub{margin-bottom:22px}
.login-card input{
  width:100%; padding:11px 12px; margin-bottom:12px; background:var(--panel2);
  border:1px solid var(--line); border-radius:8px; color:var(--fg); font-size:14px;
}
.login-card input:focus{outline:none;border-color:var(--acc)}
.login-card button{
  width:100%; padding:11px; margin-top:6px; background:var(--acc); color:#fff;
  border:0; border-radius:8px; font-size:15px; cursor:pointer;
}
.login-card button:hover{filter:brightness(1.1)}

/* ---------- 顶栏 ---------- */
.topbar{
  display:flex; align-items:center; gap:12px; padding:12px 20px;
  background:var(--panel); border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:5;
}
.brand{display:flex;align-items:center;gap:9px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.stat{color:var(--dim);font-size:13px;margin-right:6px}
.btn{
  padding:7px 14px; background:var(--acc); color:#fff; border:0; border-radius:7px;
  font-size:13px; cursor:pointer; font-family:inherit;
}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--dim)}
.btn.ghost:hover{color:var(--fg);border-color:var(--acc)}
.btn.mini{padding:3px 9px;font-size:12px}
.btn.warn{background:var(--warn);color:#1a1200}
.btn:disabled{opacity:.5;cursor:not-allowed}

.main{padding:20px;max-width:1560px;margin:0 auto}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.sec-head h2{font-size:16px;margin:0}
.filter{
  margin-left:auto; width:260px; padding:8px 12px; background:var(--panel2);
  border:1px solid var(--line); border-radius:8px; color:var(--fg); font-size:13px;
}
.filter.sm{width:auto;margin-left:0;padding:7px 10px}

/* ---------- 客户端列表（表格） ---------- */
.table-wrap{
  background:var(--panel); border:1px solid var(--line);
  border-radius:12px; overflow:auto;
}
table.grid{width:100%;border-collapse:collapse;font-size:13px}
table.grid thead th{
  position:sticky; top:0; z-index:1; background:var(--panel2);
  color:var(--dim); font-weight:600; font-size:12px; text-align:left;
  padding:11px 12px; border-bottom:1px solid var(--line); white-space:nowrap;
}
table.grid tbody td{
  padding:11px 12px; border-bottom:1px solid var(--line); vertical-align:middle;
}
table.grid tbody tr:hover{background:rgba(76,141,255,.06)}
table.grid tbody tr.off td{opacity:.55}
.cell-name{font-weight:600;color:var(--fg)}
.cell-sub{color:var(--dim);font-size:11.5px;margin-top:2px}
.st{font-size:11.5px;padding:2px 9px;border-radius:20px;white-space:nowrap;border:1px solid transparent}
.st.on{background:rgba(61,220,132,.14);color:var(--ok);border-color:rgba(61,220,132,.35)}
.st.off{background:rgba(90,100,116,.16);color:var(--off);border-color:rgba(90,100,116,.35)}
td.ops{white-space:nowrap}
td.ops .btn{margin-right:6px}
/* 删除：红字 + 红边，悬停才填充。和"远程处理"的橙色警示区分开——
 * 一个是这台机器有问题，一个是这台机器不要了，后果不可逆。 */
#clients td.ops .btn.danger{color:var(--err);border-color:rgba(255,92,92,.4)}
#clients td.ops .btn.danger:hover{background:rgba(255,92,92,.14);border-color:var(--err)}
.empty{text-align:center;color:var(--dim);padding:60px 0}

/* ---------- 抽屉 ---------- */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9}
.drawer{
  position:fixed; top:0; right:0; width:min(960px,95vw); height:100%;
  background:var(--bg); border-left:1px solid var(--line); z-index:10;
  display:flex; flex-direction:column;
}
.drawer-head{
  display:flex;align-items:center;gap:12px;padding:16px 20px;
  background:var(--panel);border-bottom:1px solid var(--line);
}
.drawer-head h3{margin:0;font-size:16px}
.tabs{
  display:flex;gap:6px;padding:12px 20px 0;flex-wrap:wrap;
  background:var(--panel);border-bottom:1px solid var(--line);
}
.tabs button{
  padding:7px 14px;background:transparent;border:1px solid transparent;
  border-bottom:2px solid transparent;border-radius:7px 7px 0 0;
  color:var(--dim);cursor:pointer;font-size:13px;font-family:inherit;
}
.tabs button.on{color:var(--acc);border-bottom-color:var(--acc);background:rgba(76,141,255,.08)}
.drawer-body{overflow:auto;padding:16px 20px 40px;flex:1}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
.panel h4{margin:0 0 10px;font-size:14px;color:var(--acc)}
pre{
  margin:0;background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  padding:12px;overflow:auto;max-height:420px;font-size:12.5px;
  font-family:"Cascadia Mono",Consolas,monospace;white-space:pre-wrap;word-break:break-word;
}
.toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.tool{background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:8px 10px}
.tool .tn{font-size:13px;font-weight:600;word-break:break-all}
.tool .td{color:var(--dim);font-size:11.5px;margin-top:4px;line-height:1.5}
/* 工具的真实调用名留一行小字，方便照着填参数 */
.tool .tcode{color:var(--dim);font-size:10.5px;margin-top:5px;opacity:.6;font-family:"Cascadia Mono",Consolas,monospace}

table.kv{width:100%;border-collapse:collapse;font-size:13px}
table.kv th{width:112px;color:var(--dim);font-weight:600;text-align:left;padding:8px 0;vertical-align:top}
table.kv td{padding:8px 0;word-break:break-all}
/* 嵌套的下级表格另起一块，不跟上面的字段挤在一起 */
table.kv td table.kv,table.kv td table.grid{margin-top:2px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:4px 10px}
.drawer-body table.grid{font-size:12.5px}
.drawer-body table.grid thead th{position:static;background:transparent;padding:8px 10px}
.drawer-body table.grid tbody td{padding:8px 10px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:3px 10px;font-size:12px}
.chip.dim{color:var(--dim)}
.hint.err{color:var(--err)}
.rexec{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:12px;max-height:420px;overflow:auto}
.rexec .hint{margin:0}

/* ---------- 文件传输 ---------- */
.filebar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.filebar input{flex:1;min-width:220px}
.filebar input[type=file]{flex:1;min-width:200px;font-size:12px;color:var(--dim)}
.filelist{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:2px 8px}
.filelist table.grid thead th{position:static;background:transparent}
a.lnk{color:var(--acc);text-decoration:none;cursor:pointer}
a.lnk:hover{text-decoration:underline}
a.btn.mini{display:inline-block;text-decoration:none}
/* File browser row actions: keep destructive ones visually distinct. */
.filelist .btn.danger{color:var(--warn);border-color:rgba(255,176,32,.45)}
.filelist .btn.danger:hover{background:rgba(255,176,32,.12);border-color:var(--warn)}
.filelist td.ops{white-space:nowrap}
.filelist td.ops .btn{margin-right:4px}

/* Remote desktop: the frame must scale to the panel without overflowing. */
.screenwrap{
  position:relative; background:#05070c; border:1px solid var(--line);
  border-radius:10px; overflow:hidden; min-height:220px;
  display:flex; align-items:center; justify-content:center;
}
.screenwrap canvas{display:block; width:100%; height:auto; cursor:default; background:#05070c}
/* The remote pointer. The customer's desktop is pushed as video without the
   hardware cursor (Windows screen capture never includes it), so without this
   the operator sees a perfectly working mouse they cannot locate. It is drawn
   here rather than encoded into the stream: it costs zero bandwidth. */
.rcur{position:absolute;left:0;top:0;width:0;height:0;pointer-events:none;
  opacity:0;transition:opacity .18s ease;z-index:3}
.rcur.on{opacity:1}
.rcur i{position:absolute;left:-2px;top:-2px;width:0;height:0;
  border-left:9px solid #fff;border-top:16px solid transparent;
  filter:drop-shadow(0 0 2px rgba(0,0,0,.95))}
.rcur u{position:absolute;left:-11px;top:-9px;width:24px;height:24px;
  border:1px solid rgba(0,0,0,.5);border-radius:50%;text-decoration:none}
.rcur.down i{border-left-color:#ff5b5b}
.screenwrap canvas:fullscreen{width:100%; height:100%; object-fit:contain}
.screenmsg{
  position:absolute; inset:0; display:flex; align-items:center;
  justify-content:center; color:var(--dim); font-size:13px;
  background:rgba(5,7,12,.82); text-align:center; padding:16px;
}

.audit-row{
  display:grid; grid-template-columns:86px 92px 130px 1fr; gap:10px;
  padding:7px 0; border-bottom:1px solid var(--line); font-size:12.5px;
}
.audit-row .ts{color:var(--dim);font-family:Consolas,monospace}
.ev{padding:1px 8px;border-radius:12px;font-size:11px;border:1px solid transparent;white-space:nowrap}
.ev.connected,.ev.attach{background:rgba(61,220,132,.13);color:var(--ok);border-color:rgba(61,220,132,.3)}
.ev.disconnected,.ev.rejected{background:rgba(255,92,92,.13);color:var(--err);border-color:rgba(255,92,92,.3)}
.ev.rpc{background:rgba(255,176,32,.13);color:var(--warn);border-color:rgba(255,176,32,.3)}
.ev.admin_call{background:rgba(76,141,255,.15);color:var(--acc);border-color:rgba(76,141,255,.35)}
.ev.ignored_frame{background:rgba(90,100,116,.16);color:var(--off);border-color:rgba(90,100,116,.35)}

.editor{display:grid;gap:10px}
.editor input,.editor textarea{
  width:100%;padding:9px 12px;background:var(--panel2);border:1px solid var(--line);
  border-radius:8px;color:var(--fg);font-size:13px;font-family:inherit;
}
.editor textarea{min-height:70px;resize:vertical}

/* ---------- 远程处理弹窗 ---------- */
.modal{
  position:fixed; top:50%; left:50%; transform:translate(-50%,-50%);
  width:min(880px,94vw); max-height:88vh; background:var(--panel);
  border:1px solid var(--line); border-radius:14px; z-index:11;
  display:flex; flex-direction:column;
}
.modal-head{
  display:flex;align-items:center;gap:12px;padding:15px 20px;
  border-bottom:1px solid var(--line);
}
.modal-head h3{margin:0;font-size:16px}
.modal-body{overflow:auto;padding:18px 20px 22px}
.rgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:8px;margin-bottom:16px}
.rgrid .btn{width:100%;text-align:left;background:var(--panel2);border:1px solid var(--line);color:var(--fg);padding:9px 12px}
.rgrid .btn:hover{border-color:var(--acc);background:rgba(76,141,255,.1)}
.rgrid .btn.danger{color:var(--warn)}
.rgrid .btn.danger:hover{border-color:var(--warn);background:rgba(255,176,32,.1)}
.rexc-head{font-size:13px;color:var(--acc);margin-bottom:8px}