/* PLC 3D: Generador de Diagramas · Editor de esquemas (TODO encapsulado en .dgx / .dg-page)
   Estética: software de ingeniería industrial, sobrio, técnico, premium. Bordes sutiles,
   sombras discretas, radios 6–10px. Hoja de plano clara; chrome navy. Tokens semánticos
   --diagram-* (no se repiten colores a mano). Sin neón por toda la pantalla. */

.dgx{
  /* ---- tokens semánticos ---- */
  --diagram-bg-root:#050b16; --diagram-bg-header:#071120; --diagram-bg-panel:#081526;
  --diagram-bg-panel-raised:#0b1a2e; --diagram-bg-control:#0d2037;
  --diagram-border-soft:rgba(92,153,214,.16); --diagram-border-medium:rgba(82,162,237,.28); --diagram-border-active:rgba(46,156,255,.68);
  --diagram-accent-primary:#258cff; --diagram-accent-secondary:#25d5c3; --diagram-accent-muted:#123a62;
  --diagram-text-primary:#f4f8fc; --diagram-text-secondary:#a8bbcf; --diagram-text-muted:#647c95;
  --diagram-success:#22c99a; --diagram-warning:#e3b558; --diagram-error:#ef646c;
  --diagram-canvas-bg:#f7f9fc; --diagram-canvas-grid:#d9e1ec; --diagram-canvas-line:#202a34;
  --diagram-power-line:#1b2735; --diagram-control-line:#1b2735;
  /* alias cortos usados por las reglas */
  --gc:var(--diagram-accent-secondary); --gc2:#19b9c4; --gb:var(--diagram-accent-primary); --gb2:#5aa6ff;
  --gline:var(--diagram-border-soft); --gline2:var(--diagram-border-medium);
  --gtext:var(--diagram-text-primary); --gmuted:var(--diagram-text-secondary); --gdim:var(--diagram-text-muted);
  --gglow:rgba(46,156,255,.4); --ink:var(--diagram-canvas-line); --paper:var(--diagram-canvas-bg); --gridc:var(--diagram-canvas-grid);

  position:relative; display:flex; flex-direction:column;
  height:clamp(680px, calc(100vh - 210px), 1040px);
  border:1px solid var(--diagram-border-medium); border-radius:12px; overflow:hidden;
  color:var(--gtext); font-family:var(--body,'Inter',sans-serif);
  background:var(--diagram-bg-root);
  box-shadow:0 18px 50px -28px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.03);
}
.dgx *{ box-sizing:border-box; }
.dgx button{ font-family:inherit; cursor:pointer; }

/* ================= TOOLBAR ================= */
.dg-toolbar{ flex:none; display:flex; align-items:center; gap:7px; flex-wrap:wrap; padding:9px 13px; border-bottom:1px solid var(--gline); background:var(--diagram-bg-header); position:relative; z-index:6; }
.dg-tg{ display:flex; align-items:center; gap:4px; }
.dg-sep{ width:1px; align-self:stretch; min-height:22px; background:var(--gline2); margin:0 4px; }
.dg-tb{ display:inline-flex; align-items:center; gap:7px; height:32px; padding:0 10px; border:1px solid transparent; border-radius:7px; background:transparent; color:var(--gmuted); font-weight:600; font-size:12px; transition:all .14s; }
.dg-tb svg{ width:16px; height:16px; }
.dg-tb.icon{ width:32px; padding:0; justify-content:center; }
.dg-tb:hover:not(:disabled){ color:var(--gtext); background:var(--diagram-bg-panel-raised); }
.dg-tb:disabled{ opacity:.32; cursor:not-allowed; }
.dg-tb.on{ color:#cfe6ff; background:var(--diagram-bg-control); border-color:var(--diagram-border-active); box-shadow:0 0 0 1px rgba(46,156,255,.15); }
.dg-tb.primary{ color:#fff; background:linear-gradient(180deg,var(--diagram-accent-primary),#1a6fe0); border:0; padding:0 14px; height:34px; font-weight:600; box-shadow:0 6px 18px -8px rgba(37,140,255,.7); }
.dg-tb.primary:hover{ filter:brightness(1.07); }
.dg-tb.primary .car{ width:13px; height:13px; opacity:.85; margin-left:-2px; }
.dg-tb.split{ padding:0 9px; }
.dg-spacer{ flex:1; }
.dg-zoomsel{ display:inline-flex; align-items:center; height:32px; border:1px solid var(--gline2); border-radius:7px; overflow:hidden; }
.dg-zoomsel select{ appearance:none; background:transparent; border:0; color:var(--gtext); font-family:var(--mono,monospace); font-size:12px; padding:0 8px; height:100%; cursor:pointer; outline:none; }
.dg-save{ display:inline-flex; align-items:center; gap:7px; font-family:var(--mono,monospace); font-size:10px; letter-spacing:.05em; text-transform:uppercase; color:var(--gdim); margin-left:4px; }
.dg-save .dot{ width:7px; height:7px; border-radius:50%; background:var(--gdim); transition:.2s; }
.dg-save .dot.saved{ background:var(--diagram-success); box-shadow:0 0 8px rgba(34,201,154,.6); }

/* ================= BODY (5 columnas) ================= */
.dg-body{ flex:1; display:grid; grid-template-columns:118px 196px 1fr 298px 234px; min-height:0; }

/* ---- rail de categorías ---- */
.dg-catrail{ display:flex; flex-direction:column; border-right:1px solid var(--gline); background:var(--diagram-bg-panel); padding:13px 9px 16px; overflow:auto; }
.dg-catrail::-webkit-scrollbar{ width:7px; } .dg-catrail::-webkit-scrollbar-thumb{ background:var(--gline2); border-radius:5px; }
.dg-catrail-h{ font-family:var(--mono,monospace); font-size:8.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--gdim); margin:0 4px 11px; line-height:1.4; }
.dg-cat{ display:flex; align-items:center; gap:9px; padding:9px 9px; border:0; border-left:2px solid transparent; border-radius:0 8px 8px 0; background:none; color:var(--gmuted); font-weight:600; font-size:11.5px; text-align:left; transition:all .13s; margin-bottom:2px; }
.dg-cat svg{ width:16px; height:16px; flex:none; color:var(--gdim); }
.dg-cat:hover{ color:var(--gtext); background:var(--diagram-bg-panel-raised); }
.dg-cat.on{ color:var(--gtext); background:linear-gradient(90deg, rgba(37,140,255,.16), transparent); border-left-color:var(--diagram-accent-primary); }
.dg-cat.on svg{ color:var(--diagram-accent-secondary); }

/* ---- biblioteca de símbolos ---- */
.dg-pal{ display:flex; flex-direction:column; border-right:1px solid var(--gline); background:var(--diagram-bg-panel); min-height:0; }
.dg-pal-head{ flex:none; display:flex; align-items:center; justify-content:space-between; padding:12px 12px 8px; }
.dg-pal-title{ font-family:var(--mono,monospace); font-size:9.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--gdim); }
.dg-pal-exp{ width:24px; height:24px; border:1px solid var(--gline2); border-radius:6px; background:none; color:var(--gdim); display:grid; place-items:center; }
.dg-pal-exp:hover{ color:var(--gc); border-color:var(--diagram-border-active); }
.dg-pal-exp svg{ width:13px; height:13px; }
.dg-pal-search{ flex:none; position:relative; margin:0 12px 10px; }
.dg-pal-search svg{ position:absolute; left:9px; top:50%; transform:translateY(-50%); width:14px; height:14px; color:var(--gdim); pointer-events:none; }
.dg-pal-search input{ width:100%; background:var(--diagram-bg-root); border:1px solid var(--gline2); border-radius:7px; color:var(--gtext); font-family:var(--body,sans-serif); font-size:12px; padding:8px 10px 8px 30px; outline:none; }
.dg-pal-search input:focus{ border-color:var(--diagram-border-active); }
.dg-pal-list{ flex:1; overflow:auto; padding:0 12px 22px; }
.dg-pal-list::-webkit-scrollbar{ width:8px; } .dg-pal-list::-webkit-scrollbar-thumb{ background:var(--gline2); border-radius:5px; }
.dg-pg{ margin-bottom:12px; }
.dg-pglabel{ position:sticky; top:0; z-index:2; font-family:var(--mono,monospace); font-size:9px; letter-spacing:.08em; text-transform:uppercase; color:var(--diagram-accent-secondary); background:var(--diagram-bg-panel); margin:14px -12px 8px; padding:6px 12px 2px; }
.dg-pglabel:first-child{ margin-top:0; }
.dg-pgrid{ display:grid; grid-template-columns:1fr 1fr; gap:7px; }
.dg-chip{ display:flex; flex-direction:column; align-items:center; gap:5px; padding:8px 4px 6px; border:1px solid var(--gline); border-radius:8px; background:var(--diagram-bg-panel-raised); color:var(--gmuted); transition:all .13s; }
.dg-chip:hover{ border-color:var(--diagram-border-active); color:var(--gtext); background:var(--diagram-bg-control); }
.dg-chip:active{ cursor:grabbing; }
.dg-chip-prev{ width:40px; height:40px; display:grid; place-items:center; color:var(--diagram-accent-secondary); }
.dg-chip-prev svg{ width:100%; height:100%; max-width:38px; max-height:38px; }
.dg-chip-n{ font-size:9px; font-weight:600; line-height:1.15; text-align:center; color:var(--gmuted); }
.dg-pal-empty{ color:var(--gdim); font-size:11.5px; padding:18px 4px; line-height:1.6; }

/* Preview IEC/bornes al hover del chip (INN-38): overlay transitorio, ancla a la derecha del
   chip, pointer-events:none (nunca intercepta click/drag), sin glow neón (solo sombra de popover). */
.dg-pal-tip{
  position:fixed; z-index:45; pointer-events:none; min-width:148px; max-width:220px;
  background:var(--diagram-bg-panel-raised); border:1px solid var(--diagram-border-medium);
  border-radius:8px; padding:8px 10px; box-shadow:0 14px 32px -14px rgba(0,0,0,.78);
  font-family:var(--mono,monospace); font-size:10.5px; line-height:1.5; color:var(--diagram-text-secondary);
  opacity:0; transform:translateY(2px); transition:opacity .12s ease, transform .12s ease;
}
.dg-pal-tip.show{ opacity:1; transform:translateY(0); }
.dg-pal-tip .lbl{ display:block; color:var(--diagram-text-muted); text-transform:uppercase; letter-spacing:.05em; font-size:9px; }
.dg-pal-tip .tag{ color:var(--diagram-accent-secondary); font-weight:700; font-size:12px; }
.dg-pal-tip .note{ margin-top:4px; color:var(--diagram-text-muted); font-size:9.5px; font-style:italic; line-height:1.35; }

/* ================= LIENZO ================= */
.dg-stage{ position:relative; min-width:0; display:flex; flex-direction:column; background:var(--diagram-bg-root); padding:22px 0 0 30px; }
.dg-ruler-corner{ position:absolute; top:0; left:0; width:30px; height:22px; background:var(--diagram-bg-header); border-right:1px solid var(--gline); border-bottom:1px solid var(--gline); z-index:4; }
.dg-ruler-corner::after{ content:'mm'; position:absolute; inset:0; display:grid; place-items:center; font-family:var(--mono,monospace); font-size:8px; color:var(--gdim); }
.dg-ruler-h{ position:absolute; top:0; left:30px; right:0; height:22px; background:var(--diagram-bg-header); border-bottom:1px solid var(--gline); overflow:hidden; z-index:3; }
.dg-ruler-v{ position:absolute; top:22px; left:0; bottom:0; width:30px; background:var(--diagram-bg-header); border-right:1px solid var(--gline); overflow:hidden; z-index:3; }
.dg-ruler-h svg, .dg-ruler-v svg{ display:block; }
.dg-rulers{ flex:none; display:flex; height:0; }
.dg-canvas-wrap{ flex:1; overflow:auto; padding:30px; display:flex; background-image:radial-gradient(circle at 1px 1px, rgba(120,150,200,.05) 1px, transparent 0); background-size:22px 22px; }
.dg-canvas-wrap::-webkit-scrollbar{ width:11px; height:11px; } .dg-canvas-wrap::-webkit-scrollbar-thumb{ background:var(--gline2); border-radius:6px; }
#dgScale{ margin:auto; flex:none; }
#dgSheet{ position:relative; transform-origin:0 0; background:var(--paper); border-radius:2px; box-shadow:0 24px 64px -28px rgba(0,0,0,.85), 0 0 0 1px rgba(120,150,200,.18); color:var(--ink); }
#dgSheet.grid{ background-image:linear-gradient(var(--gridc) 1px, transparent 1px), linear-gradient(90deg, var(--gridc) 1px, transparent 1px); background-size:var(--gs,20px) var(--gs,20px); }
#dgSheet.drop{ box-shadow:0 24px 64px -28px rgba(0,0,0,.85), 0 0 0 2px var(--gc); }
.dg-frame{ position:absolute; inset:16px; border:1.6px solid #2f3c4f; pointer-events:none; z-index:1; }
.dg-frame::after{ content:''; position:absolute; inset:7px; border:0.8px solid #9aa7ba; }

/* cajetín técnico */
.dg-titleblock{ position:absolute; right:22px; bottom:22px; width:430px; border:1.5px solid #3c4a5e; background:#fff; font-family:var(--mono,monospace); pointer-events:none; display:flex; }
.dg-tb-logo{ width:74px; flex:none; border-right:1.5px solid #3c4a5e; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; padding:6px; }
.dg-tb-logo b{ color:var(--diagram-accent-primary); font-family:var(--display,sans-serif); font-weight:700; font-size:15px; letter-spacing:-.02em; }
.dg-tb-logo span{ font-size:6.5px; color:#6a7689; letter-spacing:.06em; text-align:center; }
.dg-tb-grid{ flex:1; display:flex; flex-direction:column; }
.dg-tb-r{ display:flex; border-bottom:1px solid #aeb9c9; }
.dg-tb-r:last-child{ border-bottom:0; }
.dg-tb-c{ padding:3px 7px; border-right:1px solid #aeb9c9; font-size:8.5px; color:#243; }
.dg-tb-c:last-child{ border-right:0; }
.dg-tb-c .k{ color:#7a869a; font-size:6.5px; letter-spacing:.04em; text-transform:uppercase; }
.dg-tb-c b{ color:#1b2735; font-weight:700; }

.dg-empty{ position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:11px; color:#6d7a90; text-align:center; pointer-events:none; padding:40px; }
.dg-empty svg{ width:48px; height:48px; opacity:.4; }
.dg-empty b{ font-family:var(--display,sans-serif); font-size:18px; color:#46546a; }
.dg-empty span{ font-size:13px; max-width:40ch; color:#6d7a90; }
.dg-empty-actions{ display:flex; gap:8px; margin-top:6px; pointer-events:auto; }
.dg-ea{ display:inline-flex; align-items:center; gap:6px; padding:8px 13px; border:1px solid #c2ccdb; border-radius:8px; background:#fff; color:#33425a; font-weight:600; font-size:12px; transition:all .14s; }
.dg-ea:hover{ border-color:var(--diagram-accent-primary); color:var(--diagram-accent-primary); }
.dg-ea.prim{ background:var(--diagram-accent-primary); color:#fff; border-color:var(--diagram-accent-primary); }
.dg-ea svg{ width:14px; height:14px; }

/* nodos */
.dg-node{ position:absolute; color:var(--ink); }
.dg-node-body{ width:100%; height:100%; pointer-events:none; }
.dg-node-body svg{ width:100%; height:100%; display:block; overflow:visible; }
.dgx:not(.preview) .dg-node{ cursor:move; }
.dgx:not(.preview) .dg-node:hover{ outline:1px dashed rgba(37,140,255,.6); outline-offset:3px; }
.dg-node.sel{ outline:1.5px solid var(--diagram-accent-primary); outline-offset:3px; }
.dg-node .dg-tag{ position:absolute; left:100%; top:50%; transform:translateY(-50%); margin-left:6px; font-family:var(--mono,monospace); font-size:11px; font-weight:700; color:#243; white-space:nowrap; pointer-events:none; }
.dg-node .dg-tag i{ display:block; font-style:normal; font-weight:500; font-size:9px; color:#5a6678; }
.dg-node.rot90 .dg-tag, .dg-node.rot270 .dg-tag{ left:50%; top:100%; transform:translateX(-50%); margin:6px 0 0; }

/* puertos */
.dg-port{ position:absolute; width:11px; height:11px; transform:translate(-50%,-50%); border-radius:50%; background:#fff; border:2px solid var(--diagram-accent-primary); z-index:6; cursor:crosshair; transition:transform .1s; }
.dg-port:hover{ transform:translate(-50%,-50%) scale(1.45); background:var(--gc); border-color:var(--gc2); box-shadow:0 0 10px var(--gglow); }
.dgx:not(.wire-mode) .dg-node:not(.sel) .dg-port{ opacity:0; }
.dgx.wire-mode .dg-port{ opacity:1; }
.dg-port.live{ background:var(--gc); border-color:var(--gc2); box-shadow:0 0 12px var(--gglow); }
.dg-port.snap-target{ transform:translate(-50%,-50%) scale(1.45); background:var(--gc); border-color:var(--gc2); box-shadow:0 0 10px var(--gglow); }

/* cables */
#dgWires{ position:absolute; inset:0; width:100%; height:100%; pointer-events:none; z-index:2; overflow:visible; }
#dgWires polyline{ fill:none; stroke:var(--diagram-canvas-line); stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
#dgWires polyline.pwr{ stroke:var(--diagram-power-line); stroke-width:2.4; }
#dgWires polyline.ctrl{ stroke:var(--diagram-control-line); stroke-width:2; }
#dgWires polyline.sel{ stroke:var(--diagram-accent-primary); stroke-width:3; }
#dgWires .wjun{ fill:var(--diagram-canvas-line); }
#dgWires .whit{ stroke:transparent; stroke-width:20; pointer-events:stroke; cursor:move; fill:none; }
.dg-rubber{ stroke:var(--gc); stroke-width:2; stroke-dasharray:5 4; fill:none; }

/* hints */
.dg-hint{ position:absolute; top:12px; left:50%; transform:translateX(-50%); z-index:8; font-family:var(--mono,monospace); font-size:11px; color:var(--gc); background:rgba(7,17,32,.85); border:1px solid rgba(37,213,195,.4); padding:6px 13px; border-radius:999px; display:none; align-items:center; gap:7px; }
.dgx.wire-mode .dg-hint:not(.dg-hint-sim){ display:inline-flex; }
.dg-hint-sim{ color:#7df0c0; border-color:rgba(34,201,154,.5); }
.dgx.sim-mode .dg-hint-sim{ display:inline-flex; }
.dgx.sim-mode .dg-hint:not(.dg-hint-sim){ display:none; }
.dg-hint .d{ width:7px; height:7px; border-radius:50%; background:var(--gc); box-shadow:0 0 8px var(--gc); }
.dg-hint-sim .d{ background:var(--diagram-success); box-shadow:0 0 8px var(--diagram-success); }

/* simulación energizada */
.dgx.sim-mode #dgSheet, .dgx.sim-mode .dg-node{ cursor:default; }
.dgx.sim-mode .dg-node.pressable{ cursor:pointer; }
.dgx.sim-mode .dg-node.pressable:hover{ outline:1.5px solid rgba(34,201,154,.7); outline-offset:3px; }
.dgx.sim-mode .dg-node.pressed{ outline:2px solid var(--diagram-success); outline-offset:3px; }
.dgx.sim-mode .dg-node.energized{ color:#159060; }
.dgx.sim-mode .dg-node.energized .dg-node-body svg{ filter:drop-shadow(0 0 5px rgba(34,201,154,.85)); }
.dgx.sim-mode .dg-node.energized .dg-tag{ color:#159060; }
#dgWires polyline.live{ stroke:var(--diagram-success); stroke-width:3; filter:drop-shadow(0 0 4px rgba(34,201,154,.7)); }
.dgx.sim-mode .dg-port{ display:none; }
/* depurador de continuidad: primer contacto abierto de la rama que NO conduce (REQ-sim-depurador-continuidad) */
.dgx.sim-mode .dg-node.cut{ outline:2px solid var(--diagram-warning); outline-offset:3px; }
.dgx.sim-mode .dg-node.cut::after{ content:'✕'; position:absolute; left:-7px; top:-7px; font-size:11px; line-height:1; font-weight:700; color:var(--diagram-warning); pointer-events:none; z-index:8; }
/* destello del nodo aterrizado por navegación asistida (INN-40): 2 pulsos y muere, sin glow permanente */
@keyframes dgFlash{
  0%{ outline-color:var(--diagram-accent-primary); box-shadow:0 0 0 0 rgba(37,140,255,.5); }
  70%{ box-shadow:0 0 0 8px rgba(37,140,255,0); }
  100%{ outline-color:rgba(37,140,255,0); box-shadow:0 0 0 0 rgba(37,140,255,0); }
}
.dgx .dg-node.dg-flash{ outline:2px solid var(--diagram-accent-primary); outline-offset:3px; animation:dgFlash .3s ease-out 2; }
/* prefers-reduced-motion (INN-43): anula el pulso, el outline estático de la regla base sobrevive */
@media (prefers-reduced-motion: reduce){ .dgx .dg-node.dg-flash{ animation:none; } }
.dg-marquee{ position:absolute; z-index:7; border:1px solid var(--diagram-accent-primary); background:rgba(37,140,255,.10); pointer-events:none; }

/* pestañas de página + reglas (footer del lienzo) */
.dg-canvas-foot{ flex:none; display:flex; align-items:center; gap:4px; padding:6px 12px; border-top:1px solid var(--gline); background:var(--diagram-bg-panel); }
.dg-pgtab{ display:inline-flex; align-items:center; gap:7px; padding:6px 13px; border:1px solid transparent; border-radius:7px; background:none; color:var(--gmuted); font-size:12px; font-weight:600; }
.dg-pgtab svg{ width:13px; height:13px; opacity:.7; }
.dg-pgtab:hover{ color:var(--gtext); background:var(--diagram-bg-panel-raised); }
.dg-pgtab.on{ color:var(--gtext); background:var(--diagram-bg-control); border-color:var(--diagram-border-active); }
.dg-pgadd{ width:30px; height:30px; border:1px dashed var(--gline2); border-radius:7px; background:none; color:var(--gmuted); display:grid; place-items:center; }
.dg-pgadd:hover{ color:var(--gc); border-color:var(--diagram-border-active); }
.dg-pgadd svg{ width:14px; height:14px; }
.dg-ref{ position:absolute; pointer-events:none; opacity:.5; z-index:1; }

/* ================= INSPECTOR ================= */
.dg-side{ display:flex; flex-direction:column; border-left:1px solid var(--gline); background:var(--diagram-bg-panel); min-height:0; }
.dg-tabs{ flex:none; display:flex; gap:2px; padding:9px 11px 0; border-bottom:1px solid var(--gline); }
.dg-tab{ flex:1; border:0; background:transparent; color:var(--gdim); font-weight:600; font-size:11.5px; padding:9px 4px 11px; border-bottom:2px solid transparent; transition:all .14s; }
.dg-tab.on{ color:var(--gtext); border-bottom-color:var(--diagram-accent-primary); }
.dg-tab:hover:not(.on){ color:var(--gmuted); }
.dg-pane{ flex:1; overflow:auto; padding:14px 13px 20px; }
.dg-pane::-webkit-scrollbar{ width:8px; } .dg-pane::-webkit-scrollbar-thumb{ background:var(--gline2); border-radius:5px; }
.dg-pane[hidden]{ display:none; }

/* propiedades */
.dg-insp-head{ display:flex; align-items:center; gap:9px; padding-bottom:12px; margin-bottom:12px; border-bottom:1px solid var(--gline); }
.dg-insp-ic{ width:30px; height:30px; flex:none; border-radius:7px; background:var(--diagram-bg-control); border:1px solid var(--gline2); display:grid; place-items:center; color:var(--diagram-accent-secondary); }
.dg-insp-ic svg{ width:17px; height:17px; }
.dg-insp-t{ font-family:var(--display,sans-serif); font-weight:700; font-size:14px; color:var(--gtext); }
.dg-insp-s{ font-family:var(--mono,monospace); font-size:9.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--diagram-accent-secondary); }
.dg-prow{ display:grid; grid-template-columns:1fr 1.25fr; align-items:center; gap:8px; padding:5px 0; }
.dg-prow > label{ font-size:11px; color:var(--gmuted); font-weight:500; }
.dg-input{ width:100%; background:var(--diagram-bg-root); border:1px solid var(--gline2); border-radius:6px; color:var(--gtext); font-family:var(--body,sans-serif); font-size:11.5px; padding:7px 9px; outline:none; transition:border-color .14s; }
.dg-input:focus{ border-color:var(--diagram-border-active); }
select.dg-input{ appearance:none; cursor:pointer; padding-right:24px; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23a8bbcf' stroke-width='2'%3E%3Cpath d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 8px center; }
.dg-tagin{ font-family:var(--mono,monospace); font-weight:600; }
.dg-toggle{ display:inline-flex; align-items:center; gap:8px; cursor:pointer; }
.dg-sw{ width:38px; height:21px; border-radius:999px; background:#1a2740; border:1px solid var(--gline2); position:relative; transition:all .18s; }
.dg-sw::after{ content:''; position:absolute; top:2px; left:2px; width:15px; height:15px; border-radius:50%; background:var(--gdim); transition:all .18s; }
.dg-toggle.on .dg-sw{ background:rgba(37,140,255,.3); border-color:var(--diagram-accent-primary); }
.dg-toggle.on .dg-sw::after{ left:19px; background:var(--diagram-accent-primary); }
.dg-toggle .tl{ font-size:11px; color:var(--gmuted); font-family:var(--mono,monospace); }

.dg-pactions{ display:flex; gap:7px; margin:14px 0 4px; flex-wrap:wrap; }
.dg-pa{ flex:1; min-width:78px; display:inline-flex; align-items:center; justify-content:center; gap:6px; padding:8px; border:1px solid var(--gline2); border-radius:8px; background:var(--diagram-bg-panel-raised); color:var(--gmuted); font-weight:600; font-size:11.5px; transition:all .14s; }
.dg-pa svg{ width:14px; height:14px; }
.dg-pa:hover{ color:var(--gtext); border-color:var(--diagram-border-active); }
.dg-pa.danger:hover{ color:var(--diagram-error); border-color:rgba(239,100,108,.5); background:rgba(239,100,108,.08); }

/* tarjetas inspector (xref / bom) */
.dg-card{ border:1px solid var(--gline); border-radius:9px; background:var(--diagram-bg-panel-raised); margin-top:13px; overflow:hidden; }
.dg-card-h{ display:flex; align-items:center; gap:8px; padding:10px 12px; font-size:12px; font-weight:600; color:var(--gtext); }
.dg-card-h svg{ width:15px; height:15px; color:var(--diagram-accent-secondary); }
.dg-card-h .n{ font-family:var(--mono,monospace); font-size:10px; color:var(--gdim); font-weight:500; }
.dg-card-h .lnk{ margin-left:auto; font-size:10.5px; color:var(--diagram-accent-primary); font-weight:600; cursor:pointer; }
.dg-card-h .lnk:hover{ text-decoration:underline; }
.dg-xref{ display:flex; align-items:center; gap:8px; padding:7px 12px; border-top:1px solid var(--gline); font-size:11px; cursor:pointer; }
.dg-xref:hover{ background:var(--diagram-bg-control); }
.dg-xref .tag{ font-family:var(--mono,monospace); font-weight:700; color:var(--diagram-accent-secondary); min-width:42px; }
.dg-xref .nm{ color:var(--gmuted); flex:1; }
.dg-xref .pg{ font-family:var(--mono,monospace); color:var(--gdim); font-size:10px; }
.dg-xref .chev{ width:12px; height:12px; color:var(--gdim); }
.dg-bomrow{ display:flex; align-items:center; gap:9px; padding:7px 12px; border-top:1px solid var(--gline); font-size:11px; }
.dg-bomrow .tag{ font-family:var(--mono,monospace); font-weight:700; color:var(--diagram-accent-secondary); min-width:42px; }
.dg-bomrow .nm{ color:var(--gmuted); flex:1; }
.dg-bomrow .qty{ font-family:var(--mono,monospace); color:var(--gtext); font-weight:700; }
.dg-card-foot{ padding:7px 12px; border-top:1px solid var(--gline); font-size:10.5px; color:var(--gdim); text-align:center; }

.dg-empty-s{ display:flex; flex-direction:column; align-items:flex-start; gap:9px; padding:26px 4px; color:var(--gdim); }
.dg-empty-s svg{ width:28px; height:28px; opacity:.5; }
.dg-empty-s b{ font-family:var(--display,sans-serif); font-size:14px; color:var(--gmuted); }
.dg-empty-s span{ font-size:12px; line-height:1.55; }

/* plantillas */
.dg-tpl-sec{ font-family:var(--mono,monospace); font-size:9px; letter-spacing:.08em; text-transform:uppercase; color:var(--diagram-accent-secondary); margin:14px 1px 8px; opacity:.85; }
.dg-tpl-sec:first-of-type{ margin-top:6px; }
.dg-tplsave{ display:flex; align-items:center; gap:8px; width:100%; padding:10px 11px; border:1px dashed var(--diagram-border-active); border-radius:9px; background:var(--diagram-bg-control); color:var(--gc); font-weight:600; font-size:11.5px; transition:all .14s; }
.dg-tplsave svg{ width:15px; height:15px; flex:none; }
.dg-tplsave:hover{ background:var(--diagram-bg-panel-raised); color:var(--gtext); border-color:var(--diagram-accent-secondary); }
.dg-tpl{ display:flex; flex-direction:column; gap:8px; }
.dg-tplcard{ position:relative; display:flex; flex-wrap:wrap; gap:10px; align-items:center; padding:10px; border:1px solid var(--gline); border-radius:9px; background:var(--diagram-bg-panel-raised); text-align:left; transition:all .14s; }
.dg-tpldel{ position:absolute; top:6px; right:6px; width:22px; height:22px; display:grid; place-items:center; border-radius:6px; color:var(--gdim); opacity:0; transition:all .13s; }
.dg-tpldel svg{ width:13px; height:13px; }
.dg-tplcard:hover .dg-tpldel{ opacity:1; }
.dg-tpldel:hover{ color:var(--diagram-error); background:rgba(239,100,108,.12); }
.dg-tplcard:hover{ border-color:var(--diagram-border-active); background:var(--diagram-bg-control); }
.dg-tplprev{ width:42px; height:50px; flex:none; border-radius:6px; background:var(--paper); display:grid; place-items:center; color:var(--ink); border:1px solid #c9d3e3; }
.dg-tplprev svg{ width:34px; height:42px; }
.dg-tplmeta b{ display:block; font-size:12.5px; color:var(--gtext); font-weight:600; }
.dg-tplmeta .ty{ font-size:10px; color:var(--diagram-accent-secondary); font-family:var(--mono,monospace); margin:1px 0 3px; }
.dg-tplmeta span{ font-size:10.5px; color:var(--gmuted); line-height:1.4; }

/* Puente al simulador (REQ-plantilla-abrir-en-simulador) */
.dg-tplsim{ flex:1 1 100%; margin-top:6px; display:inline-flex; align-items:center; justify-content:center; gap:6px; padding:7px 9px; border-radius:7px; border:1px solid var(--diagram-accent-primary); color:var(--diagram-accent-primary); font-size:10.5px; font-weight:600; transition:all .14s; }
.dg-tplsim svg{ width:12px; height:12px; flex:none; }
.dg-tplsim:hover{ background:rgba(37,140,255,.12); }
.dg-tplsim.disabled{ border-color:var(--gline2); color:var(--gdim); cursor:not-allowed; }
.dg-tplbridge:empty{ display:none; }
.dg-tplbridge{ margin-bottom:12px; }
.dg-simopen{ display:flex; align-items:center; justify-content:center; gap:7px; width:100%; padding:10px 11px; border-radius:9px; border:1px solid var(--diagram-accent-primary); background:rgba(37,140,255,.08); color:var(--diagram-accent-primary); font-weight:600; font-size:11.5px; line-height:1.3; transition:all .14s; }
.dg-simopen svg{ width:14px; height:14px; flex:none; }
.dg-simopen:hover{ background:rgba(37,140,255,.16); }
.dg-simopen.disabled{ border-color:var(--gline2); background:transparent; color:var(--gdim); cursor:not-allowed; opacity:.85; }

/* ================= LOXI (rail + tab) ================= */
.dg-loxirail{ display:flex; flex-direction:column; border-left:1px solid var(--gline); background:var(--diagram-bg-panel); min-height:0; }
.dg-loxi{ display:flex; flex-direction:column; height:100%; min-height:0; padding:14px 13px; }
.dg-loxi-head{ text-align:center; padding-bottom:12px; margin-bottom:10px; border-bottom:1px solid var(--gline); }
.dg-loxi-av{ width:64px; height:64px; border-radius:16px; margin:2px auto 9px; overflow:hidden; background:radial-gradient(circle at 42% 32%, rgba(37,213,195,.32), #0a1422 72%); border:1px solid rgba(37,213,195,.4); }
.dg-loxi-av img{ width:100%; height:100%; object-fit:cover; }
.dg-loxi-head b{ font-family:var(--display,sans-serif); font-size:15px; color:var(--gtext); display:block; }
.dg-loxi-head .sub{ font-size:10.5px; color:var(--gmuted); }
.dg-loxi-q{ font-size:12px; font-weight:600; color:var(--gtext); text-align:center; margin:6px 0 10px; }
.dg-loxi-feed{ flex:1; overflow:auto; display:flex; flex-direction:column; gap:9px; padding-right:2px; min-height:40px; }
.dg-loxi-feed::-webkit-scrollbar{ width:7px; } .dg-loxi-feed::-webkit-scrollbar-thumb{ background:var(--gline2); border-radius:5px; }
.dg-msg{ font-size:12px; line-height:1.55; padding:9px 11px; border-radius:10px; max-width:96%; }
.dg-msg.bot{ background:var(--diagram-bg-control); border:1px solid var(--gline2); color:var(--gtext); align-self:flex-start; border-bottom-left-radius:3px; }
.dg-msg.me{ background:rgba(37,140,255,.12); border:1px solid rgba(37,140,255,.25); color:#dcebff; color:var(--gtext); align-self:flex-end; border-bottom-right-radius:3px; }
.dg-msg b{ color:var(--diagram-accent-secondary); }
.dg-sugs{ display:flex; flex-direction:column; gap:7px; }
.dg-sug{ display:flex; align-items:center; gap:9px; text-align:left; padding:9px 11px; border:1px solid var(--gline2); border-radius:8px; background:var(--diagram-bg-panel-raised); color:var(--gmuted); font-size:11.5px; line-height:1.35; transition:all .14s; }
.dg-sug:hover{ color:var(--gtext); border-color:var(--diagram-border-active); background:var(--diagram-bg-control); }
.dg-sug svg{ width:14px; height:14px; flex:none; color:var(--diagram-accent-secondary); }
.dg-loxi-input{ flex:none; display:flex; gap:7px; margin-top:11px; }
.dg-loxi-input textarea{ flex:1; resize:none; background:var(--diagram-bg-root); border:1px solid var(--gline2); border-radius:9px; color:var(--gtext); font-family:var(--body,sans-serif); font-size:12px; padding:9px 11px; outline:none; min-height:40px; max-height:120px; }
.dg-loxi-input textarea:focus{ border-color:var(--diagram-border-active); }
.dg-loxi-send{ flex:none; width:40px; border-radius:9px; border:0; background:var(--diagram-accent-primary); color:#fff; display:grid; place-items:center; }
.dg-loxi-send:disabled{ opacity:.4; }
.dg-loxi-send svg{ width:17px; height:17px; }
.dg-loxi-foot{ flex:none; font-size:9.5px; color:var(--gdim); text-align:center; margin-top:8px; line-height:1.4; }
.dg-typing{ display:inline-flex; gap:4px; padding:4px 0; }
.dg-typing i{ width:6px; height:6px; border-radius:50%; background:var(--gc); animation:dgDot 1s infinite; }
.dg-typing i:nth-child(2){ animation-delay:.15s; } .dg-typing i:nth-child(3){ animation-delay:.3s; }
@keyframes dgDot{ 0%,60%,100%{ opacity:.3; transform:translateY(0); } 30%{ opacity:1; transform:translateY(-3px); } }

/* selectores superiores */
.dg-self{ display:flex; align-items:center; gap:7px; }
.dg-self label{ font-family:var(--mono,monospace); font-size:9px; letter-spacing:.05em; text-transform:uppercase; color:var(--gdim); }
.dg-self select{ appearance:none; background:var(--diagram-bg-panel-raised); border:1px solid var(--gline2); color:var(--gtext); font-weight:600; font-size:11.5px; padding:6px 24px 6px 9px; border-radius:7px; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23a8bbcf' stroke-width='2'%3E%3Cpath d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 8px center; }
.dg-self select:focus{ outline:none; border-color:var(--diagram-border-active); }

/* ================= BARRA DE ESTADO ================= */
.dg-statusbar{ flex:none; display:flex; align-items:center; gap:14px; padding:7px 14px; border-top:1px solid var(--gline); background:var(--diagram-bg-header); font-family:var(--mono,monospace); font-size:10.5px; color:var(--gdim); }
.dg-st-meta{ display:flex; align-items:center; gap:14px; }
.dg-st-meta b{ color:var(--gmuted); font-weight:600; }
.dg-st-mid{ flex:1; display:flex; align-items:center; justify-content:center; gap:8px; }
.dg-st-zoom{ display:inline-flex; align-items:center; gap:4px; }
.dg-st-zb{ width:24px; height:22px; border:1px solid var(--gline2); border-radius:6px; background:var(--diagram-bg-panel-raised); color:var(--gmuted); display:grid; place-items:center; font-size:14px; line-height:1; }
.dg-st-zb:hover{ color:var(--gtext); border-color:var(--diagram-border-active); }
.dg-st-zsel{ appearance:none; background:var(--diagram-bg-panel-raised); border:1px solid var(--gline2); color:var(--gtext); font-family:var(--mono,monospace); font-size:11px; padding:4px 20px 4px 9px; border-radius:6px; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' fill='none' stroke='%23a8bbcf' stroke-width='2'%3E%3Cpath d='M3 4l3 3 3-3'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 6px center; }
.dg-st-right{ display:flex; align-items:center; gap:12px; }
.dg-st-pill{ display:inline-flex; align-items:center; gap:6px; padding:4px 11px; border-radius:999px; font-weight:600; }
.dg-st-pill.ok{ color:#7df0c0; background:rgba(34,201,154,.12); border:1px solid rgba(34,201,154,.3); }
.dg-st-pill.err{ color:#ffa3a8; background:rgba(239,100,108,.12); border:1px solid rgba(239,100,108,.35); }
.dg-st-pill svg{ width:12px; height:12px; }

/* menú flotante (Alinear / Distribuir) */
.dg-pop{ position:absolute; z-index:30; background:var(--diagram-bg-panel-raised); border:1px solid var(--diagram-border-active); border-radius:10px; padding:10px 11px 11px; box-shadow:0 16px 38px -16px rgba(0,0,0,.82); }
.dg-pop-h{ font-family:var(--mono,monospace); font-size:8.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--gdim); margin:0 2px 7px; }
.dg-pop-h + .dg-popgrid + .dg-pop-h{ margin-top:11px; }
.dg-popgrid{ display:grid; grid-template-columns:repeat(3,46px); gap:5px; }
.dg-popitem{ width:46px; padding:6px 3px 5px; border:1px solid var(--gline2); border-radius:7px; background:var(--diagram-bg-control); color:var(--gmuted); display:flex; flex-direction:column; align-items:center; gap:3px; transition:all .13s; }
.dg-popitem:hover{ color:var(--gtext); border-color:var(--diagram-border-active); background:var(--diagram-bg-panel); }
.dg-popitem svg{ width:17px; height:17px; }
.dg-popitem span{ font-size:8px; font-weight:600; line-height:1; color:inherit; }

/* ================= MODAL: Ajustes del lienzo (#dgSettings) ================= */
/* Overlay contenido dentro de .dgx: no reduce el lienzo ni desplaza el rail/Loxi (DESIGN_LOCK). */
.dg-modal-ov{ position:absolute; inset:0; z-index:50; display:flex; align-items:center; justify-content:center; background:rgba(3,8,17,.72); }
.dg-modal{ width:380px; max-width:calc(100% - 40px); max-height:calc(100% - 40px); overflow:auto; background:var(--diagram-bg-panel-raised); border:1px solid var(--diagram-border-active); border-radius:12px; box-shadow:0 26px 64px -20px rgba(0,0,0,.85); }
.dg-modal-h{ display:flex; align-items:center; justify-content:space-between; padding:16px 18px 14px; border-bottom:1px solid var(--gline); }
.dg-modal-h b{ font-family:var(--display,sans-serif); font-size:15px; font-weight:700; color:var(--gtext); }
.dg-modal-x{ width:26px; height:26px; flex:none; border:1px solid var(--gline2); border-radius:7px; background:none; color:var(--gmuted); display:grid; place-items:center; }
.dg-modal-x:hover{ color:var(--gtext); border-color:var(--diagram-border-active); }
.dg-modal-x svg{ width:14px; height:14px; }
.dg-modal-body{ padding:16px 18px 4px; }
.dg-modal-sec{ font-family:var(--mono,monospace); font-size:9px; letter-spacing:.08em; text-transform:uppercase; color:var(--diagram-accent-secondary); margin:0 0 10px; }
.dg-modal-row{ display:grid; grid-template-columns:1fr 1fr; gap:9px; margin-bottom:16px; }
.dg-modal-fld label{ display:block; font-size:11px; color:var(--gmuted); font-weight:500; margin-bottom:5px; }
.dg-modal-sw{ display:flex; align-items:flex-start; justify-content:space-between; gap:16px; padding:12px 0; border-top:1px solid var(--gline); }
.dg-modal-sw:first-of-type{ border-top:0; padding-top:2px; }
.dg-modal-sw-t{ font-size:12.5px; font-weight:600; color:var(--gtext); }
.dg-modal-sw-d{ font-size:12px; color:var(--gmuted); line-height:1.45; margin-top:3px; }
.dg-modal-sw .dg-toggle{ flex:none; margin-top:2px; }
.dg-modal-foot{ display:flex; justify-content:flex-end; padding:14px 18px 18px; }
.dg-modal-close{ padding:9px 18px; border:1px solid var(--gline2); border-radius:8px; background:var(--diagram-bg-control); color:var(--gtext); font-weight:600; font-size:12.5px; }
.dg-modal-close:hover{ border-color:var(--diagram-border-active); }

/* toast "próximamente" */
.dg-toast{ position:absolute; bottom:54px; left:50%; transform:translateX(-50%) translateY(10px); z-index:40; background:var(--diagram-bg-control); border:1px solid var(--diagram-border-active); color:var(--gtext); font-size:12px; padding:9px 15px; border-radius:9px; opacity:0; pointer-events:none; transition:all .25s; box-shadow:0 12px 30px -12px rgba(0,0,0,.7); }
.dg-toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

/* ================= responsive ================= */
/* ================= LAYOUT APROBADO (rail + panel contextual izquierdo) =================
   DESIGN LOCK: Loxi vive en el panel izquierdo (alternado por el rail). El panel derecho
   sólo contiene Propiedades y Plantillas. No añadir columnas. Ver DESIGN_LOCK.md. */
.dgx{ --diagram-bg-raised:var(--diagram-bg-panel-raised); --diagram-bg-toolbar:var(--diagram-bg-header); }
.dg-body{ grid-template-columns:70px 272px 1fr 312px !important; }

/* panel contextual plegable (DESIGN_LOCK: el rail permanece; solo se oculta el panel para dar prioridad al lienzo) */
.dg-railcollapse{ margin-top:auto; border-top:1px solid var(--diagram-border-soft); padding-top:10px; }
.dgx.left-collapsed .dg-leftpanel{ display:none !important; }
.dgx.left-collapsed .dg-body{ grid-template-columns:70px 1fr 312px !important; }

/* rail de modos (Símbolos / Loxi) */
.dg-rail{ display:flex; flex-direction:column; gap:8px; padding:12px 8px; border-right:1px solid var(--gline); background:var(--diagram-bg-panel); }
.dg-railbtn{ display:flex; flex-direction:column; align-items:center; gap:5px; padding:10px 4px; border:1px solid transparent; border-radius:10px; background:none; color:var(--gmuted); font-size:10px; font-weight:600; transition:all .14s; }
.dg-railbtn svg{ width:20px; height:20px; }
.dg-railbtn img{ width:22px; height:22px; border-radius:6px; object-fit:cover; }
.dg-railbtn:hover{ color:var(--gtext); background:var(--diagram-bg-panel-raised); }
.dg-railbtn.on{ color:#cfe6ff; background:var(--diagram-bg-control); border-color:var(--diagram-border-active); }
.dg-railbtn.on svg{ color:var(--diagram-accent-secondary); }

/* panel contextual izquierdo (biblioteca o Loxi) */
.dg-leftpanel{ display:flex; flex-direction:column; min-height:0; border-right:1px solid var(--gline); background:var(--diagram-bg-panel); overflow:hidden; }
.dg-lib{ display:flex; flex-direction:column; min-height:0; height:100%; }
.dg-lib-h{ flex:none; font-family:var(--mono,monospace); font-size:9.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--gdim); padding:13px 13px 9px; }
.dg-leftpanel .dg-pal-search{ flex:none; }
.dg-catstrip{ flex:none; display:flex; gap:5px; overflow-x:auto; padding:0 12px 10px; scrollbar-width:none; }
.dg-catstrip::-webkit-scrollbar{ display:none; }
.dg-catpill{ flex:none; display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid var(--gline2); border-radius:999px; background:var(--diagram-bg-panel-raised); color:var(--gmuted); font-size:10.5px; font-weight:600; white-space:nowrap; transition:all .13s; }
.dg-catpill svg{ width:13px; height:13px; }
.dg-catpill:hover{ color:var(--gtext); border-color:var(--diagram-border-active); }
.dg-catpill.on{ color:#cfe6ff; background:var(--diagram-bg-control); border-color:var(--diagram-border-active); }
.dg-catpill.on svg{ color:var(--diagram-accent-secondary); }
.dg-leftpanel .dg-loxi{ padding:14px 13px; }
.dg-loxi-online{ display:inline-flex; align-items:center; gap:5px; font-size:10px; color:var(--diagram-success); margin-top:3px; }
.dg-loxi-online::before{ content:''; width:6px; height:6px; border-radius:50%; background:var(--diagram-success); box-shadow:0 0 6px var(--diagram-success); }

/* footer del lienzo: pestañas + zoom + formato */
.dg-canvas-foot{ justify-content:flex-start; gap:10px; }
/* fix barra A3 (REQ-routing-fase1-barra-a3, Parte B): el culpable del desborde es el PADRE
   .dg-canvas-foot (overflow visible), no .dg-pgtabs. Mismo patrón ya validado en .dg-toolbar
   (más abajo, en esta hoja): carril acotado con scroll horizontal sin barra visible. */
.dg-canvas-foot{ overflow-x:auto; scrollbar-width:none; }
.dg-canvas-foot::-webkit-scrollbar{ display:none; }
.dg-pgtabs{ display:flex; align-items:center; gap:4px; min-width:0; }
.dg-foot-mid{ margin-left:auto; display:flex; align-items:center; gap:8px; min-width:0; }
.dg-fz{ width:28px; height:26px; border:1px solid var(--gline2); border-radius:6px; background:var(--diagram-bg-panel-raised); color:var(--gmuted); display:grid; place-items:center; font-size:15px; line-height:1; }
.dg-fz svg{ width:14px; height:14px; }
.dg-fz:hover{ color:var(--gtext); border-color:var(--diagram-border-active); }
.dg-fz-pct{ font-family:var(--mono,monospace); font-size:11px; color:var(--gmuted); min-width:38px; text-align:center; }
#dgZoomRange{ width:96px; accent-color:var(--diagram-accent-primary); }
.dg-foot-sel{ appearance:none; background:var(--diagram-bg-panel-raised); border:1px solid var(--gline2); color:var(--gtext); font-size:11px; font-weight:600; padding:5px 22px 5px 9px; border-radius:6px; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' fill='none' stroke='%23a8bbcf' stroke-width='2'%3E%3Cpath d='M3 4l3 3 3-3'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 7px center; }
.dg-foot-sel:focus{ outline:none; border-color:var(--diagram-border-active); }

/* barra de estado: icono cuadrícula + ajustes */
.dg-st-ic{ width:24px; height:22px; border:1px solid var(--gline2); border-radius:6px; background:var(--diagram-bg-panel-raised); color:var(--gmuted); display:inline-grid; place-items:center; }
.dg-st-ic.on{ color:var(--diagram-accent-secondary); border-color:var(--diagram-border-active); }
.dg-st-ic svg{ width:13px; height:13px; }

/* ocultar restos de la composición anterior */
.dg-catrail, .dg-loxirail, .dg-pal-head{ display:none !important; }

@media (max-width:1280px){ .dg-body{ grid-template-columns:64px 250px 1fr 290px !important; } .dgx.left-collapsed .dg-body{ grid-template-columns:64px 1fr 290px !important; } }
@media (max-width:1080px){ .dg-body{ grid-template-columns:60px 230px 1fr !important; } .dg-side{ display:none; } .dgx.left-collapsed .dg-body{ grid-template-columns:60px 1fr !important; } }
@media (max-width:820px){ .dg-body{ grid-template-columns:54px 1fr !important; } .dg-leftpanel{ position:absolute; left:54px; top:0; bottom:0; width:240px; z-index:20; } }

/* ===== Pulido estético (Etapa 6) ===== */
/* El asistente flotante global es redundante aquí (Loxi vive en el rail) y chocaba con la barra de estado */
.dg-page #plcAsst, .dg-page .plc-asst, .dg-page #plcAsstFab{ display:none !important; }
/* Barra de herramientas en una sola fila (scroll-x si no cabe) en lugar de partirse */
.dg-toolbar{ flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none; }
.dg-toolbar::-webkit-scrollbar{ display:none; }
.dg-toolbar > *{ flex:none; }
.dg-zoomsel{ height:32px; }
/* Cajetín sin solapes */
.dg-tb-c{ min-width:0; }
.dg-tb-c b{ display:block; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.dg-tb-c .k{ display:block; }
/* el lienzo respira un poco más */
.dg-canvas-wrap{ padding:26px; }