:root{
  --ground:#F4F6F3; --surface:#FFFFFF; --surface-2:#EAEEE8; --surface-3:#DFE4DC;
  --ink:#131E26; --ink-2:#4A5B65; --ink-3:#7E8C94;
  --line:#D4DAD2; --line-2:#BFC8BE;
  --lamp:#D08A17; --sw:#2F6FD0; --smart:#7343C0; --weak:#C93A30;
  --accent:#0B5C93;
  --shadow:0 1px 2px rgba(19,30,38,.06), 0 6px 18px rgba(19,30,38,.06);
  --r:5px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#0E141A; --surface:#161E25; --surface-2:#1D272E; --surface-3:#26313A;
    --ink:#E4ECF0; --ink-2:#9DAEB8; --ink-3:#6C7D88;
    --line:#27333B; --line-2:#35434D;
    --lamp:#E3A62F; --sw:#5E9BFF; --smart:#A883EC; --weak:#FF6B5F;
    --accent:#4E9DD8;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"]{
  --ground:#0E141A; --surface:#161E25; --surface-2:#1D272E; --surface-3:#26313A;
  --ink:#E4ECF0; --ink-2:#9DAEB8; --ink-3:#6C7D88;
  --line:#27333B; --line-2:#35434D;
  --lamp:#E3A62F; --sw:#5E9BFF; --smart:#A883EC; --weak:#FF6B5F;
  --accent:#4E9DD8;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--ground); color:var(--ink);
  font-family:'Archivo','PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
  font-size:14px; line-height:1.55; -webkit-font-smoothing:antialiased;
}
.app{max-width:1680px; margin:0 auto; padding:16px 16px 40px}

.bar{
  display:flex; flex-wrap:wrap; align-items:center; gap:8px 10px;
  padding-bottom:12px; margin-bottom:14px; border-bottom:2px solid var(--ink);
}
.title{display:flex; flex-direction:column; margin-right:8px}
.title .eb{font-family:'IBM Plex Mono',monospace; font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-3)}
.title h1{margin:0; font-size:20px; font-weight:700; letter-spacing:-.01em}
.seg{display:inline-flex; border:1px solid var(--line-2); border-radius:var(--r); overflow:hidden; background:var(--surface)}
.seg button{
  appearance:none; border:0; background:transparent; color:var(--ink-2);
  font:600 12.5px/1 'Archivo','PingFang SC',sans-serif; padding:8px 13px; cursor:pointer;
}
.seg button + button{border-left:1px solid var(--line-2)}
.seg button[aria-pressed="true"]{background:var(--accent); color:#fff}
.szwrap{
  display:inline-flex; align-items:center; gap:7px; padding:3px 11px;
  border:1px solid var(--line-2); border-radius:99px; background:var(--surface);
  font-size:11px; color:var(--ink-3); user-select:none;
}
.szwrap input[type="range"]{width:82px; accent-color:var(--accent); margin:0}
.szwrap b{
  font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--ink);
  min-width:20px; text-align:right; font-variant-numeric:tabular-nums;
}
.btn{
  appearance:none; border:1px solid var(--line-2); background:var(--surface); color:var(--ink-2);
  font:500 12.5px/1 'Archivo','PingFang SC',sans-serif; padding:8px 11px; border-radius:var(--r); cursor:pointer;
}
.btn:hover:not(:disabled){border-color:var(--ink-3); color:var(--ink)}
.btn:disabled{opacity:.4; cursor:not-allowed}
.btn:focus-visible,.seg button:focus-visible{outline:2px solid var(--accent); outline-offset:1px}
.btn.on{background:var(--accent); border-color:var(--accent); color:#fff}
.btn.danger:hover{border-color:var(--weak); color:var(--weak)}
.sp{flex:1 1 auto}
.saved{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--ink-3); white-space:nowrap}

.grid{display:grid; grid-template-columns:212px minmax(0,1fr) 306px; gap:14px; align-items:start}
@media (max-width:1180px){ .grid{grid-template-columns:190px minmax(0,1fr)} .col-right{grid-column:1 / -1} }
@media (max-width:800px){ .grid{grid-template-columns:minmax(0,1fr)} }

.panel{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); box-shadow:var(--shadow)}
.panel + .panel{margin-top:12px}
.panel h2{
  margin:0; padding:9px 12px; font-size:12px; font-weight:600; letter-spacing:.04em;
  border-bottom:1px solid var(--line); background:var(--surface-2); border-radius:var(--r) var(--r) 0 0;
  display:flex; align-items:center; gap:8px;
}
.panel h2 small{margin-left:auto; font-family:'IBM Plex Mono',monospace; font-weight:500; color:var(--ink-3); font-size:10.5px}
.pbody{padding:10px 12px 12px}

.lib-group{margin-bottom:11px}
.lib-group > div.lab{
  font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-3);
  font-family:'IBM Plex Mono',monospace; margin-bottom:5px; display:flex; align-items:center; gap:6px;
}
.lib-group > div.lab::before{content:""; width:8px; height:8px; border-radius:2px; background:var(--c)}
.lib{display:grid; grid-template-columns:repeat(auto-fill,minmax(58px,1fr)); gap:5px}
.lib button{
  appearance:none; border:1px solid var(--line-2); background:var(--surface); border-radius:4px;
  padding:6px 2px 5px; cursor:pointer; display:flex; flex-direction:column; align-items:center; gap:3px;
  color:var(--ink-2); font-size:10.5px; line-height:1.2;
}
.lib button .g{
  width:22px; height:22px; border-radius:50%; background:var(--c); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:600;
}
.lib button.sq .g{border-radius:4px}
.lib button.ring .g{
  width:26px; height:17px; border-radius:3px; font-size:0;
  background:none; border:2px dashed var(--c);
}
.lib button.bar .g{
  width:26px; height:8px; border-radius:99px; font-size:0;
  background:repeating-linear-gradient(90deg, var(--c) 0 5px, color-mix(in srgb, var(--c) 50%, #fff) 5px 9px);
}
.lib button:hover{border-color:var(--c); color:var(--ink)}
.lib button[aria-pressed="true"]{background:var(--surface-3); border-color:var(--c); color:var(--ink); box-shadow:inset 0 0 0 1px var(--c)}

.stage{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); box-shadow:var(--shadow); overflow:hidden}
.stage-head{
  display:flex; align-items:center; gap:10px; padding:8px 12px; flex-wrap:wrap;
  border-bottom:1px solid var(--line); background:var(--surface-2);
}
.stage-head h2{margin:0; font-size:12.5px; font-weight:600}
.mode-hint{font-size:11.5px; color:var(--ink-2)}
.mode-hint.active{
  color:var(--accent); font-weight:600;
  background:color-mix(in srgb, var(--accent) 12%, transparent);
  padding:2px 8px; border-radius:99px;
}
.toggles{margin-left:auto; display:flex; gap:6px; flex-wrap:wrap}
.chip{
  display:inline-flex; align-items:center; gap:5px; padding:4px 8px; font-size:11px;
  border:1px solid var(--line-2); border-radius:99px; background:var(--surface); cursor:pointer; color:var(--ink-3);
  user-select:none;
}
.chip input{display:none}
.chip:has(input:checked){color:var(--ink); border-color:var(--ink-3); background:var(--surface-3)}

.canvas{position:relative; background:#fff; line-height:0; touch-action:none; overflow:hidden}
.canvas img{width:100%; height:auto; display:block; user-select:none; -webkit-user-drag:none}
.canvas.invert img{filter:invert(1) hue-rotate(180deg)}
.canvas.place{cursor:crosshair}
.canvas.link{cursor:cell}
svg.wires{position:absolute; inset:0; width:100%; height:100%; overflow:visible; pointer-events:none}
svg.wires path{fill:none; stroke-linecap:round; stroke-linejoin:round; pointer-events:stroke; cursor:pointer}
svg.wires path.hit{stroke-width:14; stroke:transparent}
svg.wires .wp{fill:var(--surface); stroke:var(--ink-2); stroke-width:1.5; cursor:grab; pointer-events:auto}
.hide-wires svg.wires{display:none}

.nd{
  position:absolute; transform:translate(-50%,-50%); z-index:3;
  display:flex; flex-direction:column; align-items:center; gap:2px; cursor:grab;
  background:none; border:0; padding:0; font-family:inherit;
}
.nd .g{
  position:relative;
  width:var(--mk,13px); height:var(--mk,13px); border-radius:50%; background:var(--c); color:#fff;
  border:1.5px solid #fff; box-shadow:0 1px 2px rgba(0,0,0,.4);
  display:flex; align-items:center; justify-content:center;
  font-size:calc(var(--mk,13px) * .5); font-weight:700; line-height:1; transition:transform .1s;
}
.nd.sq .g{border-radius:4px}
.nd .cap{
  font-size:calc(var(--mk,13px) * .45); line-height:1.1; color:var(--ink);
  background:color-mix(in srgb, var(--surface) 82%, transparent);
  padding:0 2px; border-radius:2px; white-space:nowrap; max-width:110px; overflow:hidden; text-overflow:ellipsis;
}
.nd .cir{
  position:absolute; top:calc(var(--mk,13px) * -.28); right:calc(var(--mk,13px) * -.42);
  font-family:'IBM Plex Mono',monospace; font-size:calc(var(--mk,13px) * .42); font-weight:600;
  background:var(--ink); color:var(--ground); border-radius:99px; padding:0 3px; line-height:1.4;
}
.nd.bar{
  display:block;
  width:var(--barw,90px); height:calc(var(--mk,13px) * .42); min-height:5px;
  transform:translate(-50%,-50%) rotate(var(--ang,0deg));
}
.nd.bar .g{
  width:100%; height:100%; border-radius:99px; font-size:0; border:1.5px solid #fff;
  background:repeating-linear-gradient(90deg, var(--c) 0 7px, color-mix(in srgb, var(--c) 50%, #fff) 7px 12px);
}
.nd.bar:hover .g,.nd.bar.sel .g{transform:none}
.nd.bar.sel .g{box-shadow:0 0 0 3px color-mix(in srgb, var(--c) 40%, transparent)}
.bh{
  position:absolute; top:50%; width:13px; height:13px; margin-top:-6.5px; padding:0;
  border-radius:50%; background:var(--surface); border:2px solid var(--c);
  cursor:grab; pointer-events:auto; touch-action:none; box-shadow:0 1px 3px rgba(0,0,0,.45);
  display:none;
}
.nd.bar.sel .bh{display:block}
.bh.a{left:-6.5px}
.bh.b{right:-6.5px}
.btag{
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%) rotate(calc(-1 * var(--ang,0deg)));
  background:var(--c); color:#fff; border:1.2px solid #fff; border-radius:3px;
  font-size:calc(var(--mk,13px) * .52); font-weight:700; line-height:1.45; padding:0 4px;
  pointer-events:auto; cursor:grab; white-space:nowrap;
}
.nd.bar .cap{
  position:absolute; top:100%; left:50%; margin-top:14px;
  transform:translateX(-50%) rotate(calc(-1 * var(--ang,0deg)));
}
.nd.bar .del{top:-13px; left:50%; right:auto; margin-left:-7px}
.nd.bar .cir{top:auto; bottom:-14px; left:50%; right:auto; transform:translateX(-50%)}
.nd.ring{
  pointer-events:none; display:block;
  width:var(--rw,120px); height:var(--rh,80px);
}
.nd.ring .g{
  width:100%; height:100%;
  background:none; border:2.5px dashed var(--c); border-radius:4px;
  box-shadow:none; font-size:0; pointer-events:none;
}
.nd.ring:hover .g,.nd.ring.sel .g{transform:none}
.nd.ring.sel .g{
  border-style:solid; border-width:3px;
  box-shadow:0 0 0 2px color-mix(in srgb, var(--c) 22%, transparent);
}
.nd.ring .cap{
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
  margin-top:3px; pointer-events:none;
}
.rtag{
  position:absolute; top:-10px; left:-3px; pointer-events:auto;
  background:var(--c); color:#fff; border:1.2px solid #fff; border-radius:3px;
  font-size:calc(var(--mk,13px) * .52); font-weight:700; line-height:1.45; padding:0 5px; cursor:grab;
}
.rz{
  position:absolute; right:-9px; bottom:-9px; width:17px; height:17px; padding:0;
  border-radius:3px; background:var(--surface); border:2px solid var(--c);
  cursor:nwse-resize; pointer-events:auto; box-shadow:0 1px 3px rgba(0,0,0,.45);
  touch-action:none;
}
.rz::after{
  content:""; position:absolute; right:2px; bottom:2px; width:7px; height:7px;
  border-right:2px solid var(--c); border-bottom:2px solid var(--c);
}
.nd.ring .del{top:-10px; left:auto; right:-10px; pointer-events:auto}
.nd.ring .cir{top:auto; bottom:-10px; right:auto; left:-3px}
.nd .del{
  position:absolute; top:calc(var(--mk,13px) * -.34); left:calc(var(--mk,13px) * -.46);
  width:15px; height:15px; border-radius:50%; background:var(--weak); color:#fff;
  border:1.5px solid #fff; font-size:11px; line-height:1; cursor:pointer;
  display:none; align-items:center; justify-content:center; padding:0;
}
.nd.sel .del{display:flex}
.hide-caps .nd .cap{display:none}
.nd:hover .g{transform:scale(1.14)}
.nd.sel .g{box-shadow:0 0 0 3px color-mix(in srgb, var(--c) 45%, transparent), 0 1px 4px rgba(0,0,0,.5); transform:scale(1.14)}
.nd.linksrc .g{animation:pulse 1s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px color-mix(in srgb, var(--c) 30%, transparent)}}
.nd:focus-visible .g{outline:2px solid var(--ink); outline-offset:3px}
.canvas.drag-off .nd{cursor:pointer}

.empty{color:var(--ink-3); font-size:12.5px}
.field{margin-bottom:9px}
.field label{display:block; font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-3); margin-bottom:3px; font-family:'IBM Plex Mono',monospace}
.field input,.field select,.field textarea{
  width:100%; padding:6px 8px; font:inherit; font-size:13px; color:var(--ink);
  background:var(--surface-2); border:1px solid var(--line-2); border-radius:4px;
}
.field textarea{resize:vertical; min-height:52px}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent); outline-offset:-1px}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:8px}
.swap{display:flex; flex-wrap:wrap; gap:4px}
.lab-line{
  font-family:'IBM Plex Mono',monospace; font-size:10.5px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-3); margin:12px 0 5px;
}
.lab-line:first-child{margin-top:0}
.swap button{
  appearance:none; padding:4px 8px; font:500 11.5px/1.2 'Archivo','PingFang SC',sans-serif;
  border:1px solid var(--line-2); border-radius:4px; background:var(--surface);
  color:var(--ink-2); cursor:pointer;
}
.swap button:hover{border-color:var(--c); color:var(--ink)}
.swap button:focus-visible{outline:2px solid var(--accent); outline-offset:1px}
.swap button.cur{background:var(--c); border-color:var(--c); color:#fff; cursor:default}
.sel-tag{
  display:inline-block; font-family:'IBM Plex Mono',monospace; font-size:10px; font-weight:600;
  padding:2px 7px; border-radius:3px; color:#fff; background:var(--c); margin-bottom:8px;
}

table.stat{border-collapse:collapse; width:100%; font-size:12.5px}
table.stat td{padding:4px 0; border-bottom:1px solid var(--line)}
table.stat td:last-child{text-align:right; font-family:'IBM Plex Mono',monospace; font-variant-numeric:tabular-nums; font-weight:600}
table.stat tr:last-child td{border-bottom:0}
table.stat td .sw{display:inline-block; width:8px; height:8px; border-radius:2px; background:var(--c); margin-right:7px}
.cirlist{display:flex; flex-direction:column; gap:5px; font-size:12px}
.cirrow{display:flex; gap:8px; align-items:baseline}
.cirrow b{font-family:'IBM Plex Mono',monospace; font-size:11px; background:var(--surface-3); padding:1px 6px; border-radius:3px; flex:none}
.cirrow span{color:var(--ink-2); line-height:1.4}

dialog{
  border:1px solid var(--line-2); border-radius:var(--r); background:var(--surface); color:var(--ink);
  max-width:min(640px,92vw); width:100%; padding:18px; box-shadow:0 20px 60px rgba(0,0,0,.4);
}
dialog::backdrop{background:rgba(8,14,18,.55)}
dialog h3{margin:0 0 4px; font-size:16px}
dialog p{margin:0 0 10px; font-size:12.5px; color:var(--ink-2)}
dialog textarea{
  width:100%; height:230px; font-family:'IBM Plex Mono',monospace; font-size:11px;
  border:1px solid var(--line-2); border-radius:4px; padding:9px; background:var(--surface-2); color:var(--ink); resize:vertical;
}
.dact{display:flex; gap:7px; justify-content:flex-end; margin-top:10px}
kbd{
  font-family:'IBM Plex Mono',monospace; font-size:10.5px; background:var(--surface-3);
  border:1px solid var(--line-2); border-bottom-width:2px; border-radius:3px; padding:1px 5px;
}
.helprow{display:flex; gap:8px; font-size:11.5px; color:var(--ink-2); margin-bottom:5px; align-items:baseline}
.helprow kbd{flex:none}
@media print{
  .bar,.col-left,.col-right,.stage-head,.helpbox{display:none !important}
  .app{padding:0; max-width:none}
  .grid{display:block}
  .panel,.stage{border:0; box-shadow:none}
}
@media (prefers-reduced-motion:reduce){ *{transition:none !important; animation:none !important} }

.sharebar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--surface);font-size:12px}
.sharebar strong{font-size:14px;color:var(--accent)}
.sharebar .share-note{color:var(--ink-2);flex:1;min-width:180px}
#sharedStatus{color:#287246;font-weight:600;min-width:160px}
#sharedStatus[data-bad="true"]{color:#bb3629}
#shareFeedback{color:var(--ink-2)}
.conflict-box{padding:14px 18px;background:#fff2cf;color:#704c05;line-height:1.7;border-bottom:1px solid #e8c877}
.conflict-box button{margin:6px 8px 0 0}
.shared-gate{position:fixed;inset:0;z-index:999;background:rgba(244,246,243,.96);display:flex;align-items:center;justify-content:center;padding:24px}
.shared-gate>div{max-width:480px;padding:30px;border:1px solid var(--line);background:var(--surface);border-radius:10px;line-height:1.8;color:var(--ink)}
.shared-gate[hidden],[hidden]{display:none!important}
.history-row{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
#historyList{max-height:55vh;overflow:auto}
@media(max-width:800px){.app{padding:12px 10px 24px}.sharebar{padding:10px}.sharebar .share-note{width:100%}.col-left{order:1}.col-right{order:2}.stage{order:0}.col-left .pbody{max-height:240px;overflow:auto}.bar{gap:8px}.saved{max-width:100%;white-space:normal}.stage-head{flex-wrap:wrap}.sharebar .btn{padding:9px}.canvas{touch-action:pan-y}.canvas .nd{touch-action:none}}
@media print{.sharebar,.conflict-box,.shared-gate{display:none!important}}

.mobile-nav,.mobile-zoom-bar,.mobile-selection-bar{display:none}
.plan-viewport{min-width:0}
#mobileDrawer{padding:0}
@media(max-width:800px){
  html,body{height:100%;overflow:hidden}
  body{height:100dvh;display:flex;flex-direction:column}
  .sharebar{flex:none;height:42px;min-height:42px;padding:6px 12px;gap:8px;flex-wrap:nowrap;overflow:hidden}
  .sharebar strong{font-size:11px;white-space:nowrap}
  .sharebar .share-note,#shareFeedback{display:none}
  #sharedStatus{min-width:0;flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:11px;text-align:right}
  .app{flex:1;min-height:0;width:100%;padding:8px 10px 0;display:flex;flex-direction:column;margin:0;max-width:none}
  .bar{flex:none;gap:6px;margin:0 0 8px;padding:0 0 8px;border-bottom:1px solid var(--line)}
  .bar .title{flex:1;min-width:0;margin:0}
  .bar .title h1{font-size:17px}
  .bar .title .eb,.bar .sp,.bar .saved,.bar>[aria-label="模式"]{display:none}
  .bar>[aria-label="楼层"]{flex:none}
  .bar .seg button{min-width:50px;min-height:42px;padding:8px 12px;font-size:13px}
  .grid{display:flex;flex:1;min-height:0;width:100%;gap:0;align-items:stretch}
  .stage{display:flex;flex-direction:column;flex:1;min-width:0;min-height:0;overflow:hidden;width:100%;border-radius:9px}
  .stage-head{flex:none;padding:9px 12px;gap:4px;align-items:flex-start;flex-direction:column}
  .stage-head h2{font-size:12px}
  .stage-head .mode-hint{font-size:11px;line-height:1.5;max-width:100%;white-space:normal}
  .mobile-zoom-bar{display:flex;flex:none;align-items:center;justify-content:flex-end;gap:3px;padding:0 6px 5px;background:var(--surface);border-bottom:1px solid var(--line)}
  .mobile-zoom-bar button{height:38px;min-width:42px;border:0;background:var(--surface-2);border-radius:6px;color:var(--ink);font:inherit;font-size:16px;font-weight:600;touch-action:manipulation}
  .mobile-zoom-bar button:last-child{font-size:12px;min-width:54px;margin-left:5px}
  .mobile-zoom-bar output{font-size:11px;min-width:44px;text-align:center;color:var(--ink-2)}
  .mobile-zoom-bar button:disabled{opacity:.35}
  .plan-viewport{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;touch-action:none;background:var(--surface-2);scrollbar-width:thin;position:relative}
  .canvas{touch-action:none;margin:0 auto;min-width:100%}
  .canvas img{pointer-events:none}
  .canvas .nd .g{min-width:18px;min-height:18px;font-size:max(9px,calc(var(--mk,13px)*.5))}
  .canvas .nd.ring .g{min-width:0;min-height:0;font-size:0}
  .canvas .nd.bar .g{min-width:0;min-height:0;font-size:0}
  .canvas .nd .del{width:23px;height:23px;font-size:15px;left:-18px;top:-18px}
  .canvas .rz{width:24px;height:24px;right:-12px;bottom:-12px}
  .canvas .bh{width:21px;height:21px;margin-top:-10px}
  .mobile-selection-bar{display:flex;flex:none;gap:8px;align-items:center;min-height:42px;padding:5px 10px;border-top:1px solid var(--line);color:var(--ink-2);font-size:11px}
  .mobile-selection-bar span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .mobile-selection-bar .btn{min-height:32px;font-size:11px}
  .mobile-nav{display:grid;flex:none;grid-template-columns:repeat(6,minmax(0,1fr));width:100%;z-index:30;background:var(--surface);border-top:1px solid var(--line);padding:5px 6px calc(5px + env(safe-area-inset-bottom));margin-top:8px;box-shadow:0 -5px 20px rgba(19,30,38,.04)}
  .mobile-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:49px;border:0;border-radius:8px;background:transparent;color:var(--ink-2);font:inherit;font-size:11px;line-height:1.2;touch-action:manipulation}
  .mobile-nav button[aria-pressed="true"]{background:var(--accent);color:#fff}
  .mobile-icon{font-size:23px;line-height:24px;font-family:system-ui,sans-serif}
  #mobileDrawer{width:100%;max-width:100%;max-height:82dvh;margin:auto 0 0;border:1px solid var(--line);border-bottom:0;border-radius:18px 18px 0 0;box-shadow:0 -10px 40px #0002;background:var(--ground);color:var(--ink);padding-bottom:env(safe-area-inset-bottom);overflow:hidden}
  #mobileDrawer::backdrop{background:rgba(15,30,40,.35)}
  #mobileDrawer>header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;background:var(--surface);border-bottom:1px solid var(--line)}
  #mobileDrawer h2{font-size:16px;margin:0}
  #mobileDrawer>header button{min-height:40px;min-width:60px;color:var(--accent)}
  .mobile-drawer-content{padding:12px;overflow:auto;max-height:calc(82dvh - 72px);overscroll-behavior:contain}
  #mobileDrawer .col-left,#mobileDrawer .col-right{display:block;width:100%}
  #mobileDrawer .panel{box-shadow:none}
  #mobileDrawer .col-left .pbody{max-height:none;overflow:visible}
  #mobileDrawer .helpbox{display:none}
  #mobileDrawer .lib{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
  #mobileDrawer .lib button{min-height:68px;font-size:11px;border-radius:8px}
  #mobileDrawer .lib .g{width:26px;height:26px;font-size:12px}
  #mobileDrawer .field input,#mobileDrawer .field textarea,#mobileDrawer .field select{font-size:16px;min-height:44px;padding:10px}
  #mobileDrawer .field label{font-size:12px}
  #mobileDrawer .swap .btn,#mobileDrawer .swap button{min-height:42px}
  #mobileDrawer .toggles{flex-wrap:wrap;justify-content:flex-start;gap:10px;margin:0 0 14px}
  #mobileDrawer .toggles .chip{min-height:38px;padding:10px 12px}
  #mobileDrawer .szwrap{padding:10px}
  #mobileDrawer .mobile-more-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  #mobileDrawer .mobile-more-controls .btn{min-height:46px;font-size:12px;padding:10px}
  .mobile-more-help{font-size:12px;line-height:1.7;color:var(--ink-2);margin:0 0 14px}
  .conflict-box{flex:none;max-height:28dvh;overflow:auto;font-size:12px;padding:8px 12px}
  dialog:not(#mobileDrawer){max-width:calc(100vw - 20px);max-height:88dvh;overflow:auto}
  dialog textarea{font-size:16px}
}
@media print{
  .mobile-nav,.mobile-zoom-bar,.mobile-selection-bar,#mobileDrawer{display:none!important}
  html,body,.app,.grid,.stage,.plan-viewport{height:auto!important;display:block!important;overflow:visible!important}
  .canvas{width:100%!important}
}