:root{
  --bg:#eef2f7;--panel:#fff;--ink:#172033;--muted:#64748b;--line:#dbe3ed;--blue:#2563eb;--editor:#0f172a;
  --ok:#047857;--bad:#b91c1c;--bad-bg:#fef2f2;--tip:#1e40af;--tip-bg:#eff6ff;--sel:#2563eb;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
}
@font-face{font-family:"VS Carlito";src:local("Calibri"),url("../../vendor/fonts/Carlito-Regular.ttf") format("truetype");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"VS Carlito";src:local("Calibri Bold"),url("../../vendor/fonts/Carlito-Bold.ttf") format("truetype");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"VS Carlito";src:local("Calibri Italic"),url("../../vendor/fonts/Carlito-Italic.ttf") format("truetype");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"VS Carlito";src:local("Calibri Bold Italic"),url("../../vendor/fonts/Carlito-BoldItalic.ttf") format("truetype");font-weight:700;font-style:italic;font-display:swap}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 Inter,system-ui,sans-serif}
.app{max-width:1800px;margin:auto;padding:20px}
.back{display:inline-block;margin-bottom:12px;color:#475569;font-size:13px;font-weight:650;text-decoration:none}
.back:hover{color:var(--blue)}
header,.panel{background:var(--panel);border:1px solid var(--line);border-radius:17px;box-shadow:0 8px 25px #0f172a10}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 18px;margin-bottom:17px;flex-wrap:wrap}
header h1{margin:0;font-size:21px}
header p{margin:2px 0 0;color:#475569;font-size:14px}
.head-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:8px 13px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;position:relative}
.btn:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}
.btn:disabled{opacity:.5;cursor:default}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{background:#1d4ed8;color:#fff}
.btn input[type=file],.link input[type=file]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.btn:focus-within{outline:2px solid #93c5fd;outline-offset:2px}
.menu-wrap{position:relative}
.menu{position:absolute;right:0;top:calc(100% + 6px);z-index:30;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px #0f172a22;padding:6px;display:flex;flex-direction:column;min-width:230px}
.menu button{border:0;background:none;text-align:left;padding:8px 10px;border-radius:8px;font:inherit;font-size:14px;cursor:pointer;color:var(--ink)}
.menu button:hover,.menu button:focus{background:var(--tip-bg);color:var(--tip);outline:none}
.drop{padding:42px 20px;text-align:center;border:2px dashed #c7d2e0;margin-bottom:17px}
.drop.over{border-color:var(--blue);background:var(--tip-bg)}
.drop .big{font-size:17px;margin:0 0 6px}
.hint{color:#475569;font-size:13.5px;margin:4px 0}
.link{color:var(--blue);text-decoration:underline;cursor:pointer;position:relative}
.link-btn{border:0;background:none;color:var(--blue);text-decoration:underline;cursor:pointer;font:inherit;padding:0}
.msg{padding:10px 14px;border-radius:12px;margin-bottom:12px;font-size:14px;background:var(--tip-bg);color:var(--tip);border:1px solid #bfdbfe}
.msg.bad{background:var(--bad-bg);color:var(--bad);border-color:#fecaca}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:8px 10px;margin-bottom:12px}
.seg-wrap{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg{border:0;background:#fff;padding:7px 13px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;color:#334155}
.seg.is-active{background:var(--blue);color:#fff}
.tools{display:contents}
.tgroup{display:inline-flex;flex-wrap:wrap;gap:4px;align-items:center;padding-left:8px;border-left:1px solid var(--line)}
.tool,.icon,.mini,.zoom-val{border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 9px;font:inherit;font-size:14px;cursor:pointer;color:var(--ink);min-width:34px}
.tool.is-active{background:var(--tip-bg);border-color:var(--blue);color:var(--tip);font-weight:700}
.icon:disabled{opacity:.4;cursor:default}
.mini{font-size:13px;padding:4px 8px}
.mini.danger{color:var(--bad)}
.zoom-val{min-width:64px;font-variant-numeric:tabular-nums}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:12px;align-items:start}
.canvas-col{padding:0;overflow:hidden;display:flex;flex-direction:column}
.stage{position:relative;height:calc(100vh - 260px);min-height:420px;overflow:auto;background:#e5e9f0;background-image:radial-gradient(#cfd6e0 1px,transparent 1px);background-size:16px 16px;outline:none;touch-action:none;cursor:default}
.stage.panning{cursor:grabbing}
.stage.tool-create{cursor:crosshair}
.stage:focus-visible{box-shadow:inset 0 0 0 2px #93c5fd}
.paper{position:relative;margin:40px;box-shadow:0 2px 14px #0f172a30;background:#fff;transform-origin:0 0}
.drawing,.drawing svg{display:block;width:100%;height:100%}
.drawing svg text{white-space:pre}
.drawing g[data-sid]{cursor:default}
.mode-edit .drawing g[data-sid]:not([data-sid^="bg:"]){cursor:move}
.overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.overlay .h{pointer-events:all;cursor:pointer}
.overlay .flash{animation:flash 1.4s ease-out 2}
@keyframes flash{0%{opacity:1}100%{opacity:.15}}
.text-edit{position:absolute;z-index:5;border:2px solid var(--blue);border-radius:4px;background:#ffffffee;font:14px/1.3 Calibri,"VS Carlito",sans-serif;padding:4px;resize:none;text-align:center;box-shadow:0 4px 16px #0f172a33}
.text-edit.inplace{background:#ffffff59;border:0;border-radius:0;outline:2px dashed var(--blue);outline-offset:1px;box-shadow:none;overflow:hidden;white-space:pre-wrap}
.text-edit.inplace.line{background:#fffffff2;overflow:hidden}
.text-edit::selection{background:#bfdbfe}
.pagebar{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:6px 8px;flex-wrap:wrap;background:#f8fafc}
.pages{display:flex;gap:4px;flex-wrap:wrap;flex:1;min-width:0}
.page-tab{border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px 10px;font:inherit;font-size:13.5px;cursor:pointer;color:#334155;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-tab[aria-selected=true]{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:650}
.page-tab.bgp{font-style:italic;color:#475569}
.page-tab.bgp[aria-selected=true]{color:#fff}
.page-sep{color:#475569;font-size:12px;align-self:center;padding:0 4px}
.page-actions{display:inline-flex;gap:4px;flex-wrap:wrap}
.status{font-size:12.5px;color:#475569;padding:4px 10px 6px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums;min-height:26px}
.side{padding:0;overflow:hidden;position:sticky;top:12px;max-height:calc(100vh - 24px);display:flex;flex-direction:column}
.tabs{display:flex;border-bottom:1px solid var(--line);background:#f8fafc}
.tab{flex:1;border:0;background:none;padding:10px 6px;font:inherit;font-size:14px;font-weight:600;color:#475569;cursor:pointer;border-bottom:2px solid transparent}
.tab[aria-selected=true]{color:var(--blue);border-bottom-color:var(--blue)}
.tpanel{padding:12px 14px 16px;overflow:auto}
.tpanel h3{font-size:14px;margin:14px 0 6px;color:#334155}
.tpanel h3:first-child{margin-top:0}
.kv{display:grid;grid-template-columns:minmax(80px,auto) 1fr;gap:3px 10px;font-size:13.5px;margin:0}
.kv dt{color:#475569}
.kv dd{margin:0;word-break:break-word}
.empty{color:#475569;font-size:13.5px}
.field{display:flex;flex-direction:column;gap:4px;font-size:13px;color:#334155;margin-bottom:8px}
.field input,.field select,.field textarea,.row input,.row select{font:inherit;font-size:14px;border:1px solid var(--line);border-radius:8px;padding:6px 8px;background:#fff;color:var(--ink);min-width:0}
.field textarea{min-height:70px;resize:vertical}
.row{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:8px;font-size:13px;color:#334155}
.row label{display:inline-flex;align-items:center;gap:5px}
.row input[type=number]{width:78px}
.row input[type=color]{width:38px;height:30px;padding:2px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:6px 8px;margin-bottom:8px}
.grid2 label{display:flex;flex-direction:column;font-size:12.5px;color:#334155;gap:2px}
.grid2 input{font:inherit;font-size:14px;border:1px solid var(--line);border-radius:8px;padding:5px 7px;width:100%}
.tog{border:1px solid var(--line);background:#fff;border-radius:7px;padding:4px 9px;font:inherit;font-size:14px;cursor:pointer;min-width:32px}
.tog[aria-pressed=true]{background:var(--tip-bg);border-color:var(--blue);color:var(--tip)}
table.data{width:100%;border-collapse:collapse;font-size:13.5px}
table.data th,table.data td{border-bottom:1px solid var(--line);padding:5px 4px;text-align:left;vertical-align:top}
table.data th{color:#475569;font-weight:600;width:42%}
table.data input{width:100%;font:inherit;font-size:13.5px;border:1px solid var(--line);border-radius:6px;padding:3px 5px}
.layer{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--line);font-size:14px}
.layer .sw{width:12px;height:12px;border-radius:3px;border:1px solid #94a3b8;flex:none}
.layer .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.layer .cnt{color:#475569;font-size:12.5px}
.results{display:flex;flex-direction:column;gap:2px}
.results .grp{font-size:12.5px;font-weight:700;color:#475569;margin:10px 0 2px}
.results button{border:0;background:none;text-align:left;padding:6px 8px;border-radius:8px;font:inherit;font-size:13.5px;cursor:pointer;color:var(--ink)}
.results button:hover,.results button:focus{background:var(--tip-bg);outline:none}
.results mark{background:#fde68a;border-radius:2px}
.results small{display:block;color:#475569;font-size:12px}
a.ext{color:var(--blue);word-break:break-all}
.help{padding:14px 18px;margin-top:17px}
.help h2{font-size:16px;margin:0 0 6px}
.help ul{margin:0;padding-left:20px;font-size:14px;color:#334155}
.help li{margin:3px 0}
kbd{font:12px var(--mono);border:1px solid #cbd5e1;border-bottom-width:2px;border-radius:5px;padding:0 4px;background:#f8fafc}
@media (max-width:980px){
  .layout{grid-template-columns:1fr}
  .side{position:static;max-height:none}
  .stage{height:62vh;min-height:320px}
  .app{padding:12px}
  .paper{margin:16px}
}
.overlay .c-rs{cursor:nwse-resize}.overlay .c-mv{cursor:move}.overlay .c-rot{cursor:grab}
.gap-top{margin-top:10px}