:root{
  --bg:#0b0d10; --panel:#12161b; --panel2:#171c22; --line:#232a32;
  --ink:#e8edf2; --dim:#8b97a4; --accent:#5ad1a5; --accent2:#2b6b57;
  --warn:#f0b34a; --bad:#ff5f6d;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:14px/1.45 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  display:flex;flex-direction:column;overflow:hidden;
}
button,select,input{font:inherit;color:inherit}
.grow{flex:1}
.hidden{display:none}

/* ---------- 顶栏 ---------- */
.top{
  display:flex;align-items:center;gap:12px;padding:9px 14px;flex-wrap:wrap;
  background:var(--panel);border-bottom:1px solid var(--line);flex:0 0 auto;
}
.brand{display:flex;align-items:center;gap:8px;color:var(--accent);font-weight:700;letter-spacing:.3px}
.brand .dot{width:9px;height:9px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px #5ad1a580}
.brand .thin{color:var(--dim);font-weight:400;font-size:12px;letter-spacing:0}
.tagline{font-size:12px;color:var(--dim)}
.group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
button{
  background:var(--panel2);border:1px solid var(--line);border-radius:7px;
  padding:6px 11px;cursor:pointer;transition:.15s;color:var(--ink);
}
button:hover{border-color:var(--accent2);background:#1b222a}
button.primary{background:var(--accent);color:#06231a;border-color:var(--accent);font-weight:600}
button.primary:hover{filter:brightness(1.08)}
button.ghost{background:transparent;color:var(--dim)}
button.ghost:hover{color:var(--ink);background:var(--panel2)}
button.mini{padding:2px 7px;font-size:12px}
button.danger:hover{border-color:var(--bad);color:var(--bad)}
button:disabled{opacity:.3;cursor:default}
label.file{cursor:pointer;background:transparent;border:1px solid var(--line);border-radius:7px;padding:6px 11px;color:var(--dim)}
label.file:hover{border-color:var(--accent2);color:var(--ink)}
select,input.txt{
  background:#fff;border:1px solid var(--line);border-radius:7px;
  padding:6px 8px;color:#111;outline:none;
}
select option{background:#fff;color:#111}

/* ---------- 布局 ---------- */
main{flex:1;display:flex;min-height:0}
.panel{
  width:330px;flex:0 0 330px;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;min-height:0;overflow:auto;
}
.block{padding:12px 14px;border-bottom:1px solid var(--line)}
.block.grow{flex:1;display:flex;flex-direction:column;min-height:0;border-bottom:none}
.lbl{display:block;font-size:11.5px;letter-spacing:.4px;color:var(--dim);margin-bottom:6px}
.lbl-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.lbl-row .lbl{margin-bottom:6px}
.badge{font-size:10.5px;color:var(--accent);border:1px solid var(--accent2);border-radius:99px;padding:1px 8px;margin-bottom:6px;white-space:nowrap}
#project{width:100%}
#rackSel{width:100%}
.stat{margin-top:8px;font-size:12px;color:var(--dim)}
.stat b{color:var(--ink);font-variant-numeric:tabular-nums;font-size:13px}
.stat b.over{color:var(--bad)}
.lbl.mt{margin-top:10px}
.lbl-inline{font-size:11px;color:var(--dim)}
.two{display:grid;grid-template-columns:1fr 118px;gap:6px}
.two select{width:100%}
.logorow{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}
label.file.small{padding:4px 9px;font-size:12px}
#hints{border-left:3px solid #4a3a1f;background:#1a1509;padding:9px 12px}
#hints[hidden]{display:none}
#hints p{margin:0 0 5px;font-size:11.5px;line-height:1.5;color:#e0bc85}
#hints p:last-child{margin-bottom:0}
#hints p::before{content:'⚑ ';color:#f0b34a}

/* 快速添加 */
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 9px;font-size:12px;
  background:var(--panel2);border:1px solid var(--line);border-radius:99px;color:var(--ink);
}
.chip i{width:7px;height:7px;border-radius:50%;display:block}
.chip:hover{border-color:var(--accent2)}
.addrow{
  width:100%;margin-top:8px;border-style:dashed;color:var(--dim);background:transparent;
}
.addrow:hover{color:var(--ink)}

/* 设备清单 */
.list{overflow:auto;min-height:0;flex:1;padding-right:2px}
.row{
  display:grid;grid-template-columns:8px minmax(0,1fr) 52px 26px;gap:2px 5px;align-items:center;
  padding:5px 4px;border-radius:8px;border:1px solid transparent;
}
.row.sel{border-color:var(--accent2);background:#141d19}
.row .btns{display:flex;gap:1px;justify-content:flex-end}
.row .sub2{
  grid-column:1 / -1;display:flex;align-items:center;gap:6px;
  padding:0 0 1px 13px;font-size:11px;color:var(--dim);
}
.row .kg{
  width:56px;background:#121a22;border:1px solid #2b3644;border-radius:6px;
  padding:2px 6px;font-size:11.5px;color:#dbe4ee;
}
.row .kg::placeholder{color:#4e5b68}
.row .rbadge{
  padding:1px 7px;font-size:10.5px;border-radius:99px;background:#16211d;
  border:1px solid var(--accent2);color:var(--accent);
}
.row .rbadge:hover{background:#1b2a24}
.row .pos{margin-left:auto;font-variant-numeric:tabular-nums;color:#7f8b98}
.row:hover{background:var(--panel2)}
.row .dot{width:8px;height:8px;border-radius:2px}
.row .nm{
  min-width:0;width:100%;background:#0f1318;border:1px solid var(--line);border-radius:6px;
  padding:4px 7px;font-size:12.5px;color:var(--ink);
}
.row .nm:focus{border-color:var(--accent2);background:#121820}
.row .us{padding:3px 4px;font-size:12px;border-radius:6px}
.row button{grid-row:1}
.row button.mini{padding:3px 6px;background:transparent;border-color:transparent;color:var(--dim)}
.row button.mini:hover{color:var(--ink);border-color:var(--line)}
.hint{font-size:11.5px;color:var(--dim);margin:6px 2px;line-height:1.5}

/* ---------- 舞台 ---------- */
.stage{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}
.stagebar{
  display:flex;align-items:center;gap:8px;padding:6px 12px;font-size:12px;color:var(--dim);
  background:var(--panel);border-bottom:1px solid var(--line);flex:0 0 auto;
}
.zoomval{min-width:42px;text-align:center;color:var(--ink);font-variant-numeric:tabular-nums}
.canvas{
  flex:1;min-height:0;overflow:auto;padding:13px;
  background:radial-gradient(1200px 400px at 50% -10%,#141a20 0%,#0b0d10 60%),var(--bg);
  display:flex;align-items:flex-start;justify-content:center;
}
.canvas svg{display:block;flex:0 0 auto;border-radius:3px;box-shadow:0 6px 30px #0006;touch-action:none}
.empty{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  color:var(--dim);text-align:center;pointer-events:none;opacity:.85;
}
.empty .big{margin:0 0 6px;font-size:14px;color:var(--ink)}
.empty .small{margin:0;font-size:12px}
.foot{flex:0 0 auto;padding:6px 14px;font-size:11.5px;color:var(--dim);background:var(--panel);border-top:1px solid var(--line)}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);
  background:#1d252d;border:1px solid var(--line);color:var(--ink);
  padding:9px 16px;border-radius:99px;font-size:13px;opacity:0;pointer-events:none;
  transition:.22s;z-index:50;max-width:88vw;text-align:center;
}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------- 打印 ---------- */
#printArea{display:none}
@media print{
  html,body{height:auto;overflow:visible;background:#fff}
  body.printing > *:not(#printArea){display:none !important}
  body.printing #printArea{display:block !important}
  #printArea svg{width:100%;height:auto}
}

/* ---------- 手机 ---------- */
@media (max-width:860px){
  body{overflow:auto}
  main{flex-direction:column}
  .panel{width:auto;flex:0 0 auto;max-height:46vh;border-right:none;border-bottom:1px solid var(--line)}
  .stage{min-height:52vh}
  .canvas{justify-content:flex-start}
  .top{padding:8px 10px;gap:8px}
  .tagline{display:none}
  .group{margin-left:auto}
  .row{grid-template-columns:8px minmax(0,1fr) 50px 70px}
}