:root{
  --font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --r: 14px;
}
:root[data-theme="light"]{
  --bg-1:#e9effb; --bg-2:#f5f7fc; --bg-3:#ffffff;
  --glow-a:rgba(91,108,255,.20); --glow-b:rgba(34,224,190,.16);
  --ink:#131a2b; --ink-2:#5b6685; --ink-3:#8f99b3;
  --panel:rgba(255,255,255,.86); --line:rgba(19,26,43,.09); --line-2:rgba(19,26,43,.16);
  --shadow:0 16px 44px rgba(23,35,70,.16), 0 2px 6px rgba(23,35,70,.06);
  --shadow-sm:0 4px 14px rgba(23,35,70,.10);
  --tag-bg:rgba(255,255,255,.95); --tag-ink:#1a2236; --tag-line:rgba(19,26,43,.10);
  --accent:#5b6cff; --danger:#e5484d; --ok:#12b3a8;
}
:root[data-theme="dark"]{
  --bg-1:#070c18; --bg-2:#0c1322; --bg-3:#121b2f;
  --glow-a:rgba(91,108,255,.30); --glow-b:rgba(30,220,190,.18);
  --ink:#e9efff; --ink-2:#a3b0cc; --ink-3:#6d7b99;
  --panel:rgba(19,26,44,.88); --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --shadow:0 18px 50px rgba(0,0,0,.6), 0 2px 8px rgba(0,0,0,.4);
  --shadow-sm:0 4px 16px rgba(0,0,0,.45);
  --tag-bg:rgba(24,32,54,.94); --tag-ink:#e9efff; --tag-line:rgba(255,255,255,.12);
  --accent:#7d8cff; --danger:#ff6369; --ok:#22d3c0;
}

*{ box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html,body{ height:100%; margin:0; overflow:hidden; }
body{
  font-family:var(--font); color:var(--ink);
  background:
    radial-gradient(1100px 620px at 10% -10%, var(--glow-a), transparent 62%),
    radial-gradient(900px 520px at 94% 108%, var(--glow-b), transparent 62%),
    linear-gradient(178deg, var(--bg-1), var(--bg-2) 46%, var(--bg-3));
  transition:background .45s ease;
  user-select:none;
}

#scene{ position:fixed; inset:0; width:100%; height:100%; display:block; touch-action:none; cursor:grab; }
#scene.dragging{ cursor:grabbing; }
#scene.placing{ cursor:crosshair; }

#labels{ position:fixed; inset:0; z-index:3; pointer-events:none; overflow:hidden; }

.tag{
  position:absolute; top:0; left:0; transform:translate(-50%,-50%);
  display:inline-flex; align-items:center; gap:5px; white-space:nowrap;
  padding:2px 7px 2px 5px; border-radius:999px;
  background:var(--tag-bg); color:var(--tag-ink); border:1px solid var(--tag-line);
  box-shadow:0 2px 8px rgba(20,30,60,.14);
  font-size:var(--fs, 10.5px); font-weight:600; line-height:1.5; letter-spacing:.01em;
  will-change:transform; transition:opacity .2s ease;
}
.tag .dt{ width:5px; height:5px; border-radius:50%; background:var(--c,#5b6cff); flex:0 0 auto; }
.tag.empty .nm{ color:var(--ink-3); font-weight:500; }
.tag.room{
  padding:2px 8px; font-size:11px; letter-spacing:.08em; font-weight:700;
  color:var(--ink-2); background:color-mix(in srgb, var(--panel) 82%, var(--ink) 18%);
  box-shadow:none; border-color:var(--line-2);
}
.tag.hit{ box-shadow:0 0 0 2px #ffbe3d, 0 2px 8px rgba(20,30,60,.2); z-index:9; }
.tag.sel{ box-shadow:0 0 0 2px var(--accent), 0 2px 8px rgba(20,30,60,.2); }

#hoverTip{
  position:fixed; top:0; left:0; z-index:9; pointer-events:none; display:none;
  padding:5px 10px; border-radius:9px; font-size:11.5px; font-weight:600;
  background:var(--panel); color:var(--ink); border:1px solid var(--line-2);
  box-shadow:var(--shadow-sm); backdrop-filter:blur(10px); white-space:nowrap;
}

#labels.compact .tag{
  background:transparent; border-color:transparent; box-shadow:none; padding:0;
  backdrop-filter:none; -webkit-backdrop-filter:none; gap:0;
  color:#1a2338; text-shadow:0 0 3px rgba(255,255,255,.95), 0 0 2px rgba(255,255,255,.9), 0 1px 1px rgba(255,255,255,.9);
}
:root[data-theme="dark"] #labels.compact .tag{
  color:#d8e2f5; text-shadow:0 0 3px #060b14, 0 0 2px #060b14;
}
#labels.compact .tag .dt{ display:none; }
#boxsel{ position:fixed; border:1.5px solid var(--accent); background:rgba(91,108,255,.12); border-radius:6px; display:none; z-index:5; pointer-events:none; }

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed; top:0; left:0; right:0; z-index:7;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:14px 20px; pointer-events:none;
}
.topbar > *{ pointer-events:auto; }
.brand{ display:flex; align-items:center; gap:11px; }
.brand .mark{
  width:36px; height:36px; border-radius:11px; position:relative;
  background:linear-gradient(140deg,#5b6cff,#22e0be 90%);
  box-shadow:0 8px 22px rgba(91,108,255,.42), inset 0 1px 0 rgba(255,255,255,.5);
}
.brand .mark::after{
  content:""; position:absolute; inset:10px; border-radius:5px;
  background:linear-gradient(140deg,rgba(255,255,255,.95),rgba(255,255,255,.6));
  box-shadow:0 2px 6px rgba(20,30,60,.25);
}
.brand h1{ font-size:15px; margin:0; font-weight:700; letter-spacing:.01em; }
.brand p{ margin:2px 0 0; font-size:11.5px; color:var(--ink-2); }

.tools{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; justify-content:flex-end; }
.btn{
  height:34px; padding:0 12px; border-radius:11px; border:1px solid var(--line);
  background:var(--panel); color:var(--ink-2); font-family:var(--font);
  font-size:12.5px; font-weight:600; display:inline-flex; align-items:center; gap:6px;
  cursor:pointer; backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-sm); transition:all .16s ease;
}
.btn:hover{ color:var(--ink); transform:translateY(-1px); border-color:var(--line-2); }
.btn:active{ transform:translateY(0) scale(.985); }
.btn.primary{ color:#fff; border-color:transparent; background:linear-gradient(140deg,#5b6cff,#4d5cf0); box-shadow:0 8px 20px rgba(91,108,255,.4); }
.btn.on{ color:#fff; border-color:transparent; background:linear-gradient(140deg,#5b6cff,#4d5cf0); }
.btn.danger{ color:#fff; border-color:transparent; background:#e5484d; box-shadow:0 6px 16px rgba(229,72,77,.32); backdrop-filter:none; -webkit-backdrop-filter:none; }
.btn.danger:hover{ background:#d93a3f; }
.btn.sm{ height:28px; font-size:11.5px; padding:0 10px; border-radius:9px; }
.btn.wide{ width:100%; justify-content:center; }
.btn svg{ width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }

.search{ position:relative; display:inline-flex; }
.search input{
  height:34px; width:170px; padding:0 12px 0 32px; border-radius:11px;
  border:1px solid var(--line); background:var(--panel); color:var(--ink);
  font-family:var(--font); font-size:12.5px; outline:none; box-shadow:var(--shadow-sm);
  backdrop-filter:blur(12px); transition:width .2s;
}
.search input:focus{ width:220px; border-color:var(--accent); }
.search svg{ position:absolute; left:11px; top:10px; width:14px; height:14px; stroke:var(--ink-3); fill:none; stroke-width:1.8; }

.floorpick{
  display:inline-flex; align-items:center; gap:7px; height:34px; padding:0 10px;
  border-radius:11px; border:1px solid var(--line); background:var(--panel);
  box-shadow:var(--shadow-sm); font-size:11.5px; color:var(--ink-2); font-weight:600;
  backdrop-filter:blur(12px);
}
.floorpick select{
  border:0; background:transparent; color:var(--ink); font-family:var(--font);
  font-size:12.5px; font-weight:700; outline:none; cursor:pointer; max-width:160px;
}

/* ---------- 图例 ---------- */
.legend{
  position:fixed; left:20px; bottom:20px; z-index:6;
  padding:12px 14px; border-radius:var(--r); background:var(--panel);
  border:1px solid var(--line); box-shadow:var(--shadow);
  backdrop-filter:blur(16px); display:flex; flex-direction:column; gap:8px; min-width:186px;
}
.legend .row{ display:flex; align-items:center; gap:8px; font-size:12px; color:var(--ink-2); font-weight:600; }
.legend .row i{ width:8px; height:8px; border-radius:3px; background:var(--c); box-shadow:0 0 0 3px color-mix(in srgb, var(--c) 16%, transparent); }
.legend .row b{ margin-left:auto; color:var(--ink); font-variant-numeric:tabular-nums; }
.legend .tot{ display:flex; gap:12px; padding-top:8px; border-top:1px solid var(--line); font-size:11.5px; color:var(--ink-3); font-weight:600; }
.legend .tot b{ color:var(--ink-2); }

.hint{
  position:fixed; left:50%; bottom:22px; transform:translateX(-50%); z-index:6;
  display:flex; align-items:center; gap:12px; padding:7px 15px; border-radius:999px;
  background:var(--panel); border:1px solid var(--line); box-shadow:var(--shadow-sm);
  backdrop-filter:blur(14px); font-size:11.5px; color:var(--ink-2); white-space:nowrap;
}
.hint kbd{ font-family:var(--font); font-size:10.5px; font-weight:700; background:color-mix(in srgb, var(--ink) 8%, transparent); border-radius:5px; padding:2px 6px; margin-right:5px; }
.hint .sep{ width:1px; height:12px; background:var(--line-2); }

/* ---------- 右侧面板 ---------- */
.panel{
  position:fixed; top:0; right:0; bottom:0; width:352px; z-index:8;
  background:var(--panel); border-left:1px solid var(--line);
  box-shadow:-18px 0 60px rgba(20,30,60,.18);
  backdrop-filter:blur(22px) saturate(1.2);
  display:flex; flex-direction:column;
  transform:translateX(105%); transition:transform .32s cubic-bezier(.22,1,.36,1);
}
.panel.open{ transform:translateX(0); }
.panel-head{ display:flex; align-items:center; gap:8px; padding:14px 14px 0; }
.tabs{ display:flex; gap:2px; flex:1; background:color-mix(in srgb, var(--ink) 6%, transparent); border-radius:10px; padding:3px; }
.tabs button{
  flex:1; height:28px; border:0; border-radius:8px; background:transparent; color:var(--ink-2);
  font-family:var(--font); font-size:12px; font-weight:600; cursor:pointer; transition:all .16s;
}
.tabs button.on{ background:var(--panel); color:var(--ink); box-shadow:0 1px 4px rgba(20,30,60,.12); }
.x{ width:30px; height:30px; border:1px solid var(--line); border-radius:9px; background:transparent; cursor:pointer; display:grid; place-items:center; flex:0 0 auto; }
.x svg{ width:14px; height:14px; stroke:var(--ink-2); fill:none; stroke-width:1.9; stroke-linecap:round; }
.x:hover{ background:color-mix(in srgb, var(--ink) 6%, transparent); }
.x.sm{ width:24px; height:24px; border:0; }

.panel-body{ flex:1; overflow-y:auto; padding:12px 14px 28px; }
.panel-body::-webkit-scrollbar{ width:8px; }
.panel-body::-webkit-scrollbar-thumb{ background:color-mix(in srgb, var(--ink) 16%, transparent); border-radius:8px; }

.pane{ display:none; }
.pane.on{ display:block; }

.block{ margin-bottom:16px; padding:12px; border-radius:12px; background:color-mix(in srgb, var(--ink) 3.5%, transparent); border:1px solid var(--line); }
.block h3{ margin:0 0 10px; font-size:12px; font-weight:700; color:var(--ink-2); letter-spacing:.04em; }
.block h3 .muted{ font-weight:500; }
.row{ display:flex; gap:8px; margin-bottom:8px; }
.row:last-child{ margin-bottom:0; }
.row.end{ justify-content:flex-end; }

.inp{
  height:32px; flex:1; padding:0 10px; border-radius:9px; border:1px solid var(--line);
  background:var(--panel); color:var(--ink); font-family:var(--font); font-size:12.5px; outline:none;
}
.inp:focus{ border-color:var(--accent); }
.inp.sm{ flex:0 0 92px; }
.inp.wide{ width:100%; }
.color{ width:38px; height:32px; border:1px solid var(--line); border-radius:9px; background:transparent; padding:2px; cursor:pointer; }

.selbar{ padding:10px 12px; border-radius:11px; background:linear-gradient(140deg, rgba(91,108,255,.16), rgba(91,108,255,.06)); border:1px solid rgba(91,108,255,.3); font-size:12.5px; font-weight:700; color:var(--ink); margin-bottom:12px; }
.selbar .sub{ display:block; font-weight:500; font-size:11px; color:var(--ink-2); margin-top:3px; }

.deptgrid{ display:grid; grid-template-columns:1fr 1fr; gap:6px; margin-bottom:9px; }
.deptbtn{
  display:flex; align-items:center; gap:6px; height:30px; padding:0 9px; border-radius:9px;
  border:1px solid var(--line); background:var(--panel); cursor:pointer;
  font-family:var(--font); font-size:11.5px; font-weight:600; color:var(--ink-2);
}
.deptbtn i{ width:8px; height:8px; border-radius:50%; background:var(--c); flex:0 0 auto; }
.deptbtn:hover{ border-color:var(--c); color:var(--ink); }

.itemgrid{ display:grid; grid-template-columns:repeat(3,1fr); gap:6px; }
.itembtn{
  height:52px; border-radius:10px; border:1px solid var(--line); background:var(--panel);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
  cursor:pointer; font-family:var(--font); font-size:10.5px; font-weight:600; color:var(--ink-2);
}
.itembtn span{ font-size:17px; line-height:1; }
.itembtn:hover{ border-color:var(--accent); color:var(--ink); }
.itembtn.on{ border-color:var(--accent); background:color-mix(in srgb, var(--accent) 12%, transparent); color:var(--ink); }

.list{ display:flex; flex-direction:column; gap:5px; max-height:340px; overflow-y:auto; }
.list .li{
  display:flex; align-items:center; gap:8px; padding:7px 9px; border-radius:9px;
  border:1px solid var(--line); background:var(--panel); font-size:11.5px; color:var(--ink-2);
}
.list .li b{ color:var(--ink); font-weight:600; }
.list .li .sp{ margin-left:auto; }
.list .li button{ height:24px; padding:0 8px; border-radius:7px; border:1px solid var(--line); background:transparent; cursor:pointer; font-size:11px; font-family:var(--font); color:var(--ink-2); }
.list .li button:hover{ border-color:var(--danger); color:var(--danger); }
.list .li .dot{ width:8px; height:8px; border-radius:3px; background:var(--c); flex:0 0 auto; }
.tip{ margin:8px 0 0; font-size:11px; color:var(--ink-3); line-height:1.55; }
.muted{ color:var(--ink-3); font-weight:500; }

/* ---------- 详情卡 ---------- */
.card{
  position:fixed; left:20px; top:76px; z-index:6; width:250px; padding:12px;
  border-radius:14px; background:var(--panel); border:1px solid var(--line);
  box-shadow:var(--shadow); backdrop-filter:blur(16px);
  display:none;
}
.card.show{ display:block; }
.card-head{ display:flex; align-items:center; gap:7px; margin-bottom:8px; }
.card-head .dot{ width:9px; height:9px; border-radius:3px; background:var(--c,var(--accent)); }
.card-head b{ font-size:12px; }
.card-head .muted{ font-size:11px; margin-left:2px; }
.card-head .x{ margin-left:auto; }
.card-name{
  width:100%; height:32px; border-radius:9px; border:1px solid var(--line); background:transparent;
  color:var(--ink); font-family:var(--font); font-size:14px; font-weight:700; padding:0 10px; outline:none; margin-bottom:6px;
}
.card-name:focus{ border-color:var(--accent); }
.card-note{ font-size:11px; color:var(--ink-3); min-height:16px; margin-bottom:8px; line-height:1.5; }
.card-actions{ display:flex; gap:6px; }

/* ---------- 弹窗 ---------- */
.modal{
  position:fixed; inset:0; z-index:20; display:none; align-items:center; justify-content:center;
  background:rgba(10,16,32,.42); backdrop-filter:blur(3px);
}
.modal.show{ display:flex; }
.modal-box{
  width:330px; padding:20px; border-radius:16px; background:var(--panel);
  border:1px solid var(--line); box-shadow:var(--shadow); backdrop-filter:blur(24px);
}
.modal-box h2{ margin:0 0 4px; font-size:15px; }
.modal-box p{ margin:0 0 14px; font-size:11.5px; }
.modal-box .inp{ height:36px; margin-bottom:8px; }
.err{ color:var(--danger); font-size:11.5px; min-height:16px; }

.toast{
  position:fixed; left:50%; top:70px; transform:translate(-50%,-12px); z-index:30;
  padding:9px 16px; border-radius:999px; font-size:12.5px; font-weight:600;
  background:linear-gradient(140deg,#5b6cff,#4d5cf0); color:#fff;
  box-shadow:0 12px 30px rgba(91,108,255,.45); opacity:0; pointer-events:none;
  transition:all .3s cubic-bezier(.22,1,.36,1);
}
.toast.show{ opacity:1; transform:translate(-50%,0); }

@media (max-width: 900px){
  .legend{ display:none; }
  .brand p{ display:none; }
  .panel{ width:min(92vw,352px); }
  .search input{ width:120px; }
  .btn span{ display:none; }
}