:root{
  --ink:#14303A; --ink-2:#2B4A55; --stone:#6E7F86; --line:#D5DFDA;
  --paper:#F3F6F2; --card:#FFFFFF; --ti:#2E7D5B; --ti-deep:#1F5C42; --ti-wash:#E2EFE7;
  --sun:#F2C230; --lehua:#C23B3F;
  --ui:"Atkinson Hyperlegible",system-ui,sans-serif; --display:"Bricolage Grotesque",var(--ui);
  --r-s:6px; --r-m:10px; --r-l:16px;
  --shadow:0 10px 30px -12px rgba(20,48,58,.35),0 2px 6px rgba(20,48,58,.12);
  --rail:60px; --panel:340px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:15px/1.45 var(--ui);color:var(--ink);background:var(--paper);overflow:hidden;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--sun);outline-offset:2px}
[hidden]{display:none!important}

/* top rail */
.rail{height:var(--rail);display:flex;align-items:center;gap:18px;padding:0 16px;background:var(--ink);color:#EAF2EE;position:relative;z-index:5}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.mark{font:800 12.5px/1 var(--display);letter-spacing:-.03em;background:var(--paper);color:var(--ink);border-radius:50%;width:38px;height:38px;display:grid;place-items:center;flex:none}
.brand h1{font:800 19px/1.05 var(--display);letter-spacing:-.015em;margin:0;white-space:nowrap}
.brand p{margin:2px 0 0;font-size:12.5px;color:#A9C1BA;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.areas{display:flex;background:rgba(255,255,255,.08);border-radius:999px;padding:3px;margin-left:auto}
.areas button{border:0;background:none;color:#CFE0DA;padding:7px 15px;border-radius:999px;font-weight:700;font-size:14px;white-space:nowrap}
.areas button[aria-pressed=true]{background:var(--paper);color:var(--ink)}
.rail-end{display:flex;align-items:center;gap:10px}
.live{display:flex;align-items:center;gap:7px;font-size:13px;color:#BFD3CC;white-space:nowrap}
.live i{width:9px;height:9px;border-radius:50%;background:#8A9A9F}
.live.on i{background:#5FD39A;box-shadow:0 0 0 0 rgba(95,211,154,.6);animation:pulse 2.4s infinite}
.live.off i{background:var(--sun)}
@keyframes pulse{70%{box-shadow:0 0 0 7px rgba(95,211,154,0)}100%{box-shadow:0 0 0 0 rgba(95,211,154,0)}}
.ghost{border:1.5px solid rgba(234,242,238,.5);background:none;color:#fff;padding:7px 13px;border-radius:999px;font-weight:700;font-size:14px;white-space:nowrap}
.ghost:hover{background:rgba(255,255,255,.1)}
.who{display:flex;flex-direction:column;align-items:flex-end;font-size:12.5px;line-height:1.25}
.who span{font-weight:700;color:#fff}
.who a{color:#A9C1BA}

/* map stage */
.stage{position:relative;height:calc(100% - var(--rail))}
.map{position:absolute;inset:0;right:var(--panel);background:#24413F;overflow:hidden;touch-action:none;cursor:grab;user-select:none;-webkit-user-select:none}
.map:focus-visible{outline-offset:-3px}
.map.panning{cursor:grabbing}
.map.measuring{cursor:crosshair}
.map svg{width:100%;height:100%;display:block}
#bg{image-rendering:auto}
.item{cursor:pointer}
.item.editable{cursor:move}
.item rect.body{stroke:#fff;stroke-opacity:.9}
.item text{font-family:var(--ui);font-weight:700;fill:#fff;pointer-events:none;paint-order:stroke;stroke:rgba(11,29,36,.55);stroke-linejoin:round}
.item .dim{font-weight:400;fill:#F1F6F3}
.item.dim-out{opacity:.35}
.focus-tag rect{fill:var(--ink)}
.focus-tag text{fill:#fff;font-family:var(--ui);font-weight:700}
.h{fill:#fff;stroke:var(--ink);cursor:nwse-resize}
.h.rot{cursor:grab;fill:var(--sun)}
.tape line{stroke:var(--sun)}
.tape rect{fill:var(--sun)}
.tape text{fill:var(--ink);font-family:var(--ui);font-weight:700}

.mapctl{position:absolute;right:14px;bottom:18px;display:flex;flex-direction:column;gap:8px}
.icon{width:44px;height:44px;border-radius:var(--r-m);border:0;background:var(--card);color:var(--ink);font-size:22px;font-weight:700;box-shadow:var(--shadow);display:grid;place-items:center;padding:0}
.icon svg{width:22px;height:22px}
.icon:hover{background:var(--ti-wash)}
.icon[aria-pressed=true]{background:var(--sun)}
.icon:disabled{opacity:.4;cursor:default}
.scalebar{position:absolute;left:14px;bottom:18px;background:rgba(255,255,255,.92);border-radius:var(--r-s);padding:6px 10px 5px;font-size:12.5px;font-weight:700;box-shadow:var(--shadow);pointer-events:none}
.scalebar span{display:block;height:6px;border:2px solid var(--ink);border-top:0;margin-bottom:3px}
.hintbar{position:absolute;left:50%;top:14px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:9px 14px;border-radius:999px;font-size:14px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center;max-width:calc(100% - 28px)}
.hintbar button{background:var(--paper);color:var(--ink);border:0;border-radius:999px;padding:4px 11px;font-weight:700}

/* side panel */
.panel{position:absolute;top:0;right:0;bottom:0;width:var(--panel);background:var(--paper);border-left:1px solid var(--line);display:flex;flex-direction:column;z-index:3}
.grab{display:none}
.tabs{display:flex;gap:2px;padding:10px 12px 0;border-bottom:1px solid var(--line)}
.tabs button{flex:1;border:0;background:none;padding:9px 4px 11px;font-weight:700;color:var(--stone);border-bottom:3px solid transparent;margin-bottom:-1px;font-size:14.5px}
.tabs button[aria-selected=true]{color:var(--ink);border-color:var(--ti)}
.pane{overflow:auto;padding:16px;flex:1;overscroll-behavior:contain}
.pane h2{font:600 18px/1.2 var(--display);margin:4px 0 10px;letter-spacing:-.01em}
.pane h3{font-size:14px;margin:18px 0 8px;color:var(--ink-2)}
.muted{color:var(--stone);font-size:13.5px;margin:6px 0 12px}
.search{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:var(--r-m);background:var(--card)}
.group{margin-top:14px}
.group>header{display:flex;justify-content:space-between;align-items:baseline;font-weight:700;font-size:13.5px;color:var(--ink-2);padding:0 2px 5px}
.group>header small{color:var(--stone);font-weight:400}
.row{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:0;background:none;padding:8px 8px;border-radius:var(--r-s)}
.row:hover{background:var(--ti-wash)}
.row.sel{background:#FFF3C6}
.sw{width:14px;height:14px;border-radius:4px;flex:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.row .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:700}
.row .ft{color:var(--stone);font-size:13px;white-space:nowrap}
.empty{border:1.5px dashed var(--line);border-radius:var(--r-m);padding:16px;text-align:center;color:var(--stone)}

.lib{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tile{position:relative;border:1.5px solid var(--line);background:var(--card);border-radius:var(--r-m);padding:10px 10px 9px;text-align:left;display:flex;flex-direction:column;gap:6px;min-height:92px}
.tile:hover{border-color:var(--ti)}
.tile .fp{height:30px;display:flex;align-items:center}
.tile .fp i{display:block;border-radius:3px;border:1.5px solid rgba(255,255,255,.9);box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.tile b{font-size:13.5px;line-height:1.2}
.tile small{color:var(--stone);font-size:12.5px}
.tile .edit{position:absolute;top:6px;right:6px;border:0;background:none;color:var(--stone);font-size:13px;padding:3px 5px;border-radius:5px}
.tile .edit:hover{background:var(--ti-wash);color:var(--ink)}
.tile.new{border-style:dashed;align-items:center;justify-content:center;color:var(--ti-deep);font-weight:700}

label.f{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin:12px 0 5px}
.in{width:100%;padding:9px 11px;border:1.5px solid var(--line);border-radius:var(--r-s);background:var(--card)}
.in:focus{border-color:var(--ti);outline:none;box-shadow:0 0 0 3px var(--ti-wash)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.unit{position:relative}.unit .in{padding-right:30px}.unit::after{content:"ft";position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--stone);font-size:13px;pointer-events:none}
.btn{border:0;border-radius:var(--r-m);padding:10px 15px;font-weight:700;background:var(--ti-wash);color:var(--ti-deep)}
.btn:hover{filter:brightness(.97)}
.btn.primary{background:var(--ti);color:#fff}
.btn.danger{background:#FBE7E7;color:var(--lehua)}
.btn.small{padding:6px 10px;font-size:13.5px;border-radius:var(--r-s)}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.swatches{display:flex;gap:6px;flex-wrap:wrap}
.swatches button{width:28px;height:28px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line)}
.swatches button[aria-pressed=true]{box-shadow:0 0 0 2.5px var(--ink)}
.swatches input[type=color]{width:28px;height:28px;border:0;padding:0;background:none;border-radius:50%}

.lay{border:1.5px solid var(--line);background:var(--card);border-radius:var(--r-m);padding:11px 12px;margin-bottom:8px}
.lay .t{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.lay b{font-size:14.5px}
.lay small{color:var(--stone);font-size:12.5px}
.lay .btns{margin-top:8px}
.lay.backup{background:transparent;border-style:dashed}
details.backups summary{cursor:pointer;font-weight:700;color:var(--ink-2);margin:16px 0 8px}
.person{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.person div{flex:1;min-width:0}.person b{display:block}.person small{color:var(--stone);overflow-wrap:anywhere}
.badge{font-size:12px;font-weight:700;background:var(--ti-wash);color:var(--ti-deep);border-radius:999px;padding:2px 8px}
.hist{font-size:13.5px;padding:7px 0;border-bottom:1px solid var(--line)}
.hist small{display:block;color:var(--stone)}

/* inspector */
.inspector{position:absolute;left:14px;top:14px;width:300px;max-height:calc(100% - 90px);overflow:auto;background:var(--card);border-radius:var(--r-l);box-shadow:var(--shadow);padding:14px 16px 16px;z-index:4}
.inspector .top{display:flex;align-items:flex-start;gap:10px}
.inspector .top .sw{width:18px;height:18px;margin-top:4px}
.inspector h2{font:600 19px/1.2 var(--display);margin:0;flex:1;overflow-wrap:anywhere}
.inspector .x{border:0;background:none;font-size:22px;line-height:1;color:var(--stone);padding:2px 6px;border-radius:6px}
.inspector .meta{color:var(--stone);font-size:13px;margin:4px 0 0}
.inspector .note{background:var(--paper);border-radius:var(--r-s);padding:9px 11px;margin-top:10px;white-space:pre-wrap}
.rotrow{display:flex;gap:8px;align-items:center}
.rotrow input[type=range]{flex:1;accent-color:var(--ti)}
.rotrow .in{width:74px}
.check{display:flex;gap:8px;align-items:center;margin-top:12px;font-weight:700;font-size:14px}

.toasts{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:20;align-items:center;pointer-events:none}
.toast{background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;box-shadow:var(--shadow);font-size:14px;pointer-events:auto;display:flex;gap:12px;align-items:center;max-width:min(92vw,520px)}
.toast.bad{background:var(--lehua)}
.toast button{background:none;border:0;color:var(--sun);font-weight:700;padding:0}
dialog{border:0;border-radius:var(--r-l);padding:0;box-shadow:var(--shadow);width:min(420px,92vw);color:var(--ink)}
dialog::backdrop{background:rgba(20,48,58,.45)}
dialog form{padding:20px}
dialog h2{font:600 20px/1.2 var(--display);margin:0 0 4px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* phones and narrow tablets */
@media (max-width:820px){
  :root{--rail:56px}
  .rail{gap:10px;padding:0 10px}
  .brand p{display:none}.brand h1{font-size:16px}.mark{width:32px;height:32px;font-size:12.5px}
  .areas{position:absolute;top:calc(var(--rail) + 10px);left:50%;transform:translateX(-50%);background:var(--ink);box-shadow:var(--shadow);margin:0}
  .areas button{padding:7px 13px;font-size:13.5px}
  .live span{display:none}
  .who a{display:none}.who span{max-width:90px;overflow:hidden;text-overflow:ellipsis}
  .ghost{padding:6px 11px;font-size:13px}
  .map{right:0;bottom:0}
  .panel{top:auto;left:0;width:auto;height:var(--sheet,34%);border-left:0;border-top:1px solid var(--line);border-radius:var(--r-l) var(--r-l) 0 0;box-shadow:0 -8px 30px -12px rgba(20,48,58,.35)}
  .grab{display:block;height:22px;flex:none;touch-action:none;cursor:ns-resize;position:relative}
  .grab::after{content:"";position:absolute;left:50%;top:9px;width:44px;height:5px;border-radius:3px;background:#C3CFCA;transform:translateX(-50%)}
  .tabs{padding-top:0}
  .mapctl{bottom:calc(var(--sheet,34%) + 12px);right:10px}
  .mapctl .icon{width:42px;height:42px}
  .scalebar{bottom:calc(var(--sheet,34%) + 12px);left:10px}
  .inspector{left:8px;right:8px;width:auto;top:auto;bottom:calc(var(--sheet,34%) + 8px);max-height:48%}
  .hintbar{top:62px}
}
@media (max-width:820px){body.has-sel .mapctl,body.has-sel .scalebar{display:none}}
@media (max-width:820px){
  .inspector{max-height:min(46%,380px);bottom:calc(var(--sheet,34%) + 6px)}
  #zoomIn,#zoomOut,#redo{display:none}
  .mapctl{gap:6px}
}
.mark{font-family:var(--ui);font-weight:700;font-size:11px;letter-spacing:-.02em}