:root{
  --bg:#f4f5f2; --panel:#fff; --line:#dfe1dc; --line2:#cfd2cb;
  --ink:#20242b; --ink2:#5c6470; --ink3:#8b939e;
  --blue:#1a6fd4; --blue-d:#14539f;
  --ok:#1d9e75; --warn:#BA7517; --err:#e24b4a;
  --shell:#d7d8d3; --shell-d:#c3c5bf;
  --lcd:#b9bdaf; --lcd-ink:#242822; --lcd-dim:#5a5f52;
  --radius:10px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:13px}
button{font-family:inherit;font-size:inherit;cursor:pointer}
.app{max-width:1500px;margin:0 auto;padding:14px 16px 40px}

.topbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:8px 2px 12px}
.brand b{font-size:16px;font-weight:600}
.brand span{color:var(--ink2);margin-left:8px;font-size:12.5px}
.acts{margin-left:auto;display:flex;gap:7px;flex-wrap:wrap}
.btn{background:var(--panel);border:1px solid var(--line2);color:var(--ink);padding:6px 12px;border-radius:8px;transition:.12s}
.btn:hover{border-color:var(--blue);color:var(--blue-d)}
.btn.on{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.ghost{background:transparent;border-color:var(--line)}
.btn.sm{padding:4px 9px;font-size:12px}

.cols{display:grid;grid-template-columns:300px minmax(420px,1fr) 320px;gap:14px}
@media(max-width:1180px){.cols{grid-template-columns:1fr}}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 13px}
.card h2{margin:0 0 8px;font-size:13.5px;font-weight:600}
.card .sub{color:var(--ink3);font-size:12px;line-height:1.55;margin-bottom:8px}

.tree{max-height:540px;overflow:auto;font-size:12.5px}
.tnode{display:flex;align-items:center;gap:5px;padding:3px 5px;border-radius:6px;cursor:pointer;white-space:nowrap}
.tnode:hover{background:#eef4fd}
.tnode.cur{background:#e3eefc;color:var(--blue-d);font-weight:500}
.tnode .mark{width:12px;color:var(--ink3);flex:none;text-align:center}
.tnode .nm{overflow:hidden;text-overflow:ellipsis}
.tnode .cnt{margin-left:auto;color:var(--ink3);font-size:11px;flex:none}

.device{display:flex;flex-direction:column;gap:10px}
.housing{background:var(--shell);border:1px solid var(--shell-d);border-radius:14px;padding:18px 20px 16px;
  box-shadow:0 2px 6px rgba(0,0,0,.06)}
.nameplate{color:#4a4f47;margin:0 0 8px 2px}
.nameplate b{font-size:12.5px;font-weight:600;letter-spacing:.4px}

.lcd{background:linear-gradient(180deg,#c2c6b8,var(--lcd));border:2px solid #8f938a;border-radius:5px;
  padding:8px 10px 7px;color:var(--lcd-ink);font-family:var(--mono);min-height:210px;
  display:flex;flex-direction:column;box-shadow:inset 0 1px 3px rgba(0,0,0,.18)}
.lcdTop{display:flex;align-items:center;gap:8px;font-size:11.5px;border-bottom:1px solid rgba(0,0,0,.18);padding-bottom:4px}
.lcdPath{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.lcdBody{flex:1;padding:9px 2px;overflow:auto}
.lcdSoft{display:flex;gap:5px;border-top:1px solid rgba(0,0,0,.18);padding-top:5px;font-size:11px;color:var(--lcd-dim)}

.big{font-size:42px;font-weight:700;line-height:1}
.big small{font-size:18px;font-weight:700;margin-left:5px}
.chan{font-size:12px;margin-top:5px;color:var(--lcd-dim)}
.mlist{font-size:14px;line-height:1.9}
.mlist .it{display:flex;gap:8px;padding:1px 4px;border-radius:3px}
.mlist .it.sel{background:rgba(0,0,0,.14);font-weight:700}
.mlist .it .ar{width:14px;color:var(--lcd-dim)}
.mlist .it .vl{margin-left:auto;color:var(--lcd-dim)}
.hint{font-size:11.5px;color:var(--lcd-dim);margin-top:6px}

.deck{margin-top:14px;display:flex;justify-content:center}
.keys{display:flex;gap:10px}
.key{width:54px;height:44px;border-radius:8px;border:1px solid #9a9d96;
  background:linear-gradient(180deg,#f2f3ef,#d6d8d2);color:#3a3e38;font-size:16px;font-weight:600}
.key:hover{border-color:#7f837b}
.key:active{background:linear-gradient(180deg,#c9ccc5,#b9bcb5)}
.key.esc{font-size:11px;font-weight:600}

.statusbar{display:flex;align-items:center;gap:8px}
.pill{background:#e8eaf0;color:var(--ink2);border-radius:999px;padding:3px 10px;font-size:12px}
.pill.quiet{background:transparent;color:var(--ink3)}
.spacer{flex:1}

.detailBody{font-size:12.5px;line-height:1.6}
.dname{font-size:14px;font-weight:600;margin-bottom:6px}
.drow{display:flex;gap:8px;margin:5px 0}
.drow .k{color:var(--ink3);width:66px;flex:none}
.drow .v{flex:1}
.opts{display:flex;flex-wrap:wrap;gap:5px;margin-top:3px}
.opt{background:#f1f3f7;border:1px solid var(--line);border-radius:6px;padding:3px 8px;font-size:12px}
.opt.on{background:#e3eefc;border-color:#a9c8ee;color:var(--blue-d);font-weight:500}
.opt.fac::after{content:"工厂";font-size:10px;margin-left:5px;color:var(--ink3)}
.note{background:#f7f8f5;border:1px solid var(--line);border-radius:8px;padding:8px 10px;color:var(--ink2);font-size:12px;line-height:1.6;margin-top:8px}
.empty{color:var(--ink3);padding:10px 2px}
.src{color:var(--ink3);font-size:11.5px;margin-top:8px;font-family:var(--mono)}

.scrim{position:fixed;inset:0;background:rgba(20,24,30,.32);opacity:0;pointer-events:none;transition:.15s;z-index:20}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:440px;max-width:92vw;background:var(--panel);
  border-left:1px solid var(--line);transform:translateX(100%);transition:.18s;z-index:21;display:flex;flex-direction:column}
.drawer.on{transform:none}
.drawer header{display:flex;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.drawer header h3{margin:0;font-size:13.5px;font-weight:600}
.drawer header .x{margin-left:auto;background:none;border:none;font-size:20px;color:var(--ink3)}
.drawerBody{padding:12px 14px 30px;overflow:auto}
.kv{display:grid;grid-template-columns:1fr auto;gap:4px 10px;font-size:12.5px}
.kv .v{font-family:var(--mono);text-align:right;color:var(--ink2)}
.logline{display:flex;gap:8px;font-size:12px;padding:3px 0;border-bottom:1px dashed var(--line)}
.logline .t{color:var(--ink3);font-family:var(--mono);flex:none}

.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:#20242b;color:#fff;
  padding:8px 16px;border-radius:8px;font-size:12.5px;opacity:0;pointer-events:none;transition:.18s;z-index:50;max-width:80vw}
.toast.on{opacity:1;transform:translateX(-50%)}
.kbchip{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);background:#fff8e6;border:1px solid #e8cf9a;
  color:#7a5a12;border-radius:999px;padding:5px 12px;font-size:12px;display:flex;gap:9px;align-items:center;z-index:45}
.kbchip.hide{display:none}
.kbchip button{background:#fff;border:1px solid #e8cf9a;border-radius:999px;padding:2px 9px;font-size:11.5px}