/* =====================================================================
   VENTANA DE DISEÑO: panel de la red a la izquierda, visor 3D a la derecha
   ===================================================================== */
.app{height:100%;display:flex;flex-direction:column}
.brand input{min-width:0;flex:1;max-width:340px}
.grid{flex:1;min-height:0;display:grid;grid-template-columns:360px minmax(0,1fr)}
aside{overflow:auto;min-height:0;padding:12px;display:flex;flex-direction:column;gap:12px;border-right:1px solid var(--line)}

/* árbol de la red */
.tree{display:grid;gap:2px}
.node{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:center;padding:6px 8px;border-radius:6px;cursor:pointer;border:1px solid transparent}
.node:hover{background:var(--panel-2)}
.node.sel{background:var(--panel-2);border-color:var(--amber)}
.node .n{font:600 11px var(--f-mono);color:var(--muted);min-width:22px}
.node .t{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.node .t em{font-style:normal;color:var(--muted)}
.node .r{font:500 11.5px var(--f-mono);color:var(--muted);white-space:nowrap;text-align:right}
.node .r b{color:var(--fg);font-weight:500}
.node.start .t{color:var(--amber);font-weight:500}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-left:6px;vertical-align:middle}
.dot.w{background:var(--warn)} .dot.b{background:var(--bad)}
.branch{margin-left:14px;padding-left:8px;border-left:2px solid #2a3c5c;display:grid;gap:2px}
.adds{display:flex;flex-wrap:wrap;gap:6px}
.adds .btn{padding:6px 9px;font-size:12px}
.mini{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:var(--ink);border-radius:6px;padding:8px}
.mini div{display:grid}
.mini b{font:600 14px var(--f-mono);font-variant-numeric:tabular-nums}
.mini span{font-size:11px;color:var(--muted)}

/* visor */
.view{position:relative;min-height:0;min-width:0;background:#0b1322;display:flex;flex-direction:column}
.stage{position:relative;flex:1;min-height:0}
#three{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
.viewbar{position:absolute;top:10px;left:10px;right:10px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;pointer-events:none}
.viewbar>*{pointer-events:auto}
.viewbar .seg,.vb{background:rgba(10,17,29,.88)}
.legend{position:absolute;right:12px;bottom:12px;background:rgba(10,17,29,.88);border:1px solid var(--line);border-radius:7px;padding:8px 10px;display:grid;gap:4px;min-width:200px}
.legend .bar2{height:10px;border-radius:3px}
.legend .lab{display:flex;justify-content:space-between;font:500 11.5px var(--f-mono);color:var(--muted)}
.tag{position:absolute;pointer-events:none;transform:translate(-50%,-100%);background:rgba(10,17,29,.92);border:1px solid var(--amber);border-radius:6px;padding:6px 9px;font:500 12px var(--f-mono);white-space:nowrap}
.tag b{color:var(--amber);font-family:var(--f-display);font-size:13px}
.hint{position:absolute;left:12px;bottom:12px;font-size:12px;color:var(--muted);background:rgba(10,17,29,.7);padding:5px 8px;border-radius:6px}
.err{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;color:var(--muted)}

/* barra de estado bajo el visor: lo imprescindible, el detalle está en Resultados */
.status{display:flex;flex-wrap:wrap;align-items:center;gap:6px 22px;padding:10px 16px;border-top:1px solid var(--line);background:var(--panel)}
.status .k{display:grid}
.status .k b{font:600 16px var(--f-mono);font-variant-numeric:tabular-nums}
.status .k b.amber{color:var(--amber)}
.status .k span{font-size:11px;color:var(--muted)}
.status .sp{flex:1}
.status .alerts{font-size:12px;color:var(--muted)}
.status .alerts.w1{color:var(--warn)} .status .alerts.b1{color:var(--bad)}

@media (max-width:1000px){
  .grid{grid-template-columns:1fr;overflow:auto}
  .view{height:70vh;min-height:380px;order:-1}
  aside{overflow:visible;border:0}
  .app{height:auto;min-height:100%}
  html,body{height:auto}
  .hint{display:none}
}