:root{
  --ground:#000;
  --card:#0a0e0d;
  --card2:#121816;
  --line:#1f2b28;
  --ink:#eef6f3;
  --muted:#8fa8a2;
  --teal:#2fbf9b;
  --teal-dk:#1d8f74;
  --gold:#f0b429;
  --coral:#f2724b;
  --r:12px;
  --r-sm:8px;
  --ui:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font:14px/1.55 var(--ui);-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;height:100dvh;overflow:hidden;
}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px}

/* ── cabecera ── */
.top{
  flex:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 20px;border-bottom:1px solid var(--line);
  background:#050807;
  z-index:20;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:34px;height:34px;display:grid;place-items:center;border-radius:9px;
  background:linear-gradient(140deg,var(--teal),var(--teal-dk));color:#04110d;
  font-size:16px;font-weight:800;
}
.brand strong{display:block;font-size:15px;letter-spacing:-.01em}
.brand small{display:block;color:var(--muted);font-size:12.5px}
.top-acciones{display:flex;gap:8px;flex-wrap:wrap}

/* ── botones ── */
.btn{
  background:var(--card2);border:1px solid var(--line);color:var(--ink);
  border-radius:var(--r-sm);padding:9px 15px;cursor:pointer;font-weight:600;
  transition:border-color .14s,background .14s,transform .1s;
}
.btn:hover:not(:disabled){border-color:var(--teal-dk);background:#17211f}
.btn:active:not(:disabled){transform:translateY(1px)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.ghost{background:transparent;padding:7px 12px;font-weight:500;font-size:13px}
.btn.primario{background:var(--teal);border-color:var(--teal);color:#04110d;font-weight:800}
.btn.primario:hover:not(:disabled){background:#38d2ab;border-color:#38d2ab}

/* ── layout ── */
.layout{
  display:grid;
  grid-template-columns:300px minmax(0,1fr) 310px;
  gap:0;flex:1;min-height:0;
}
.controles,.panel{overflow-y:auto;min-height:0;padding:18px;background:var(--card)}
.controles{border-right:1px solid var(--line)}
.panel{border-left:1px solid var(--line)}
.lienzo{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--ground)}

/* ── grupos de control ── */
.grupo{padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.grupo:last-child{border-bottom:none;margin-bottom:0}
.grupo h2{
  font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);margin:0 0 12px;font-weight:700;
}
.sub{font-size:12px;color:var(--muted);margin:12px 0 7px}

.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips.vert{flex-direction:column}
.chip{
  background:var(--card2);border:1px solid var(--line);color:var(--ink);
  border-radius:100px;padding:7px 13px;cursor:pointer;font-size:13px;font-weight:600;
  transition:border-color .14s,background .14s;text-align:left;
}
.chip:hover{border-color:var(--teal-dk)}
.chip.on{background:rgba(47,191,155,.16);border-color:var(--teal);color:#8ff0d6}
.chip.mini{padding:5px 11px;font-size:12.5px}
.chips.vert .chip{border-radius:var(--r-sm);display:flex;flex-direction:column;gap:1px;padding:9px 13px}
.chips.vert .chip small{color:var(--muted);font-weight:500;font-size:11.5px}
.chips.vert .chip.on small{color:#6fcdb4}

.fila{display:grid;grid-template-columns:1fr auto;gap:6px 10px;align-items:center;margin:11px 0}
.fila>span{grid-column:1/-1;font-size:12.5px;color:var(--muted)}
.fila input[type=range]{width:100%;accent-color:var(--teal);min-width:0}
.fila.sel{grid-template-columns:1fr}
.num{
  width:66px;background:var(--ground);border:1px solid var(--line);color:var(--ink);
  border-radius:6px;padding:5px 7px;text-align:right;font-variant-numeric:tabular-nums;
}
select{
  width:100%;background:var(--ground);border:1px solid var(--line);color:var(--ink);
  border-radius:var(--r-sm);padding:9px 10px;cursor:pointer;
}
.check{display:flex;align-items:center;gap:9px;margin:11px 0;cursor:pointer;font-size:13px}
.check input{accent-color:var(--teal);width:16px;height:16px;cursor:pointer}
.pista{font-size:12px;color:var(--muted);line-height:1.5;margin:9px 0 0}

/* ── lienzo ── */
.tabs{display:flex;gap:4px;padding:10px 14px 0;border-bottom:1px solid var(--line)}
.tab{
  background:transparent;border:none;border-bottom:2px solid transparent;color:var(--muted);
  padding:8px 14px;cursor:pointer;font-weight:600;font-size:13px;
}
.tab.on{color:var(--ink);border-bottom-color:var(--teal)}
.panel-vista{flex:1;min-height:0;position:relative;display:flex;flex-direction:column}
.panel-vista[hidden]{display:none}
.svg-wrap{flex:1;min-height:0;position:relative}
#vista{position:absolute;inset:0;width:100%;height:100%;display:block}
#vista-plancha{overflow:auto;padding:16px}
#vista-plancha-svg{width:100%;max-width:520px;height:auto;display:block;margin:0 auto}

.pieza{stroke-linejoin:round}
.pieza.placa{fill:#16302b;stroke:#3f6f64;stroke-width:.7}
.pieza.brazo{fill:#1f4038;stroke:#4d8577;stroke-width:.7}
.pieza.techo{fill:rgba(47,191,155,.14);stroke:var(--teal);stroke-width:.7;stroke-dasharray:3 2}
.agujero{fill:var(--ground);stroke:#5d9c8c;stroke-width:.4}
.helice{fill:rgba(47,191,155,.05);stroke:rgba(47,191,155,.3);stroke-width:.6;stroke-dasharray:4 3}
.fov{fill:rgba(240,180,41,.07);stroke:rgba(240,180,41,.3);stroke-width:.5}
.cota{stroke:var(--gold);stroke-width:.6;stroke-dasharray:5 3}
.cotatxt{fill:var(--gold);font:600 7px var(--ui)}
.motortxt{fill:var(--muted);font:600 6px var(--ui);text-anchor:middle}
.plancha{fill:#0c1513;stroke:#3a5a54;stroke-width:1.2}
.planchatxt{fill:var(--muted);font:600 11px var(--ui)}

.leyenda{
  display:flex;gap:16px;flex-wrap:wrap;padding:10px 16px;
  border-top:1px solid var(--line);font-size:12px;color:var(--muted);
}
.leyenda span{display:flex;align-items:center;gap:6px}
.sw{width:13px;height:13px;border-radius:3px;display:inline-block;border:1px solid}
.sw.helice{background:rgba(47,191,155,.08);border-color:rgba(47,191,155,.45)}
.sw.fov{background:rgba(240,180,41,.12);border-color:rgba(240,180,41,.45)}
.sw.brazo{background:#1f4038;border-color:#4d8577}
.sw.placa{background:#16302b;border-color:#3f6f64}

/* ── panel derecho ── */
.datos{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px}
.datos>div{background:var(--card2);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px}
.datos span{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.datos b{display:block;font-size:19px;font-weight:800;margin-top:2px;font-variant-numeric:tabular-nums}
.datos>div:first-child{grid-column:1/-1}

.panel h3{font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin:0 0 10px;font-weight:700}
.incidencias{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:7px}
.inc{border-radius:var(--r-sm);padding:10px 12px;border-left:3px solid;font-size:12.5px;line-height:1.45}
.inc b{display:block;margin-bottom:2px;font-size:13px}
.inc span{color:var(--muted)}
.inc.error{background:rgba(242,114,75,.1);border-color:var(--coral)}
.inc.error b{color:#ff9878}
.inc.aviso{background:rgba(240,180,41,.09);border-color:var(--gold)}
.inc.aviso b{color:#ffd166}
.inc.nota{background:rgba(143,168,162,.08);border-color:#5d7a74}
.inc.ok{background:rgba(47,191,155,.1);border-color:var(--teal)}
.inc.ok b{color:#6fe3c2}

.exportar{display:flex;flex-direction:column;gap:9px;padding-top:18px;border-top:1px solid var(--line)}
.aviso-bloqueo{margin:0;font-size:12.5px;color:#ff9878;background:rgba(242,114,75,.1);border-radius:var(--r-sm);padding:9px 11px}
.plancha-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2px 10px;font-size:12.5px;padding:6px 0;border-bottom:1px solid var(--line)}
.plancha-row b{flex:none}
.plancha-row span{color:var(--muted);flex:1 1 100%;font-size:12px}

.nota-legal{margin-top:20px;font-size:12px;color:var(--muted)}
.nota-legal summary{cursor:pointer;font-weight:600;color:var(--ink)}
.nota-legal p{margin:8px 0 0;line-height:1.5}

/* ── responsive ── */
.movil-aviso{display:none}
@media (max-width:1180px){
  .layout{grid-template-columns:270px minmax(0,1fr) 270px}
}
@media (max-width:960px){
  body{height:auto;overflow:visible}
  .layout{grid-template-columns:1fr;flex:none}
  .controles,.panel{border:none;border-top:1px solid var(--line);max-height:none}
  .lienzo{min-height:70vh;border-top:1px solid var(--line)}
  .movil-aviso{
    display:block;background:rgba(240,180,41,.1);border-bottom:1px solid rgba(240,180,41,.25);
    color:#ffd166;padding:10px 20px;font-size:12.5px;
  }
  .panel{order:-1}
}
.planchas-info{margin-bottom:18px}

/* ── componentes superpuestos ── */
.comp{pointer-events:none}
.comp.motor{fill:rgba(240,180,41,.10);stroke:var(--gold);stroke-width:.7}
.comp.bateria{fill:rgba(120,140,255,.10);stroke:#7b8cff;stroke-width:.7;stroke-dasharray:4 2}
.comp.stack{fill:none;stroke:#9be8d2;stroke-width:.6;stroke-dasharray:2 2}
.sw.motor{background:rgba(240,180,41,.18);border-color:var(--gold)}
.sw.bat{background:rgba(120,140,255,.18);border-color:#7b8cff}

/* ── capas de la vista ── */
.capas{
  display:flex;gap:14px;flex-wrap:wrap;padding:9px 16px;
  border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);
}
.capas label{display:flex;align-items:center;gap:6px;cursor:pointer}
.capas input{accent-color:var(--teal);width:14px;height:14px;cursor:pointer}
#pista-patron:empty{display:none}

/* ── rejilla de tamanos ── */
.chips.tamanos{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}
.chips.tamanos .chip{text-align:center;padding:8px 4px;font-variant-numeric:tabular-nums}

/* ── tiradores de motor ── */
.tirador{fill:transparent;stroke:rgba(127,243,230,.45);stroke-width:.8;stroke-dasharray:3 2;cursor:grab}
.tirador:hover{fill:rgba(47,191,155,.14);stroke:var(--teal);stroke-width:1.2;stroke-dasharray:none}
.tirador.activo{fill:rgba(47,191,155,.22);stroke:var(--teal);stroke-width:1.4;stroke-dasharray:none}
#vista.arrastrando{cursor:grabbing}
#vista.arrastrando .tirador{cursor:grabbing}

/* ── coordenadas de motor ── */
.posiciones{margin-top:10px;display:flex;flex-direction:column;gap:6px}
.posiciones[hidden]{display:none}
.pos-fila{display:grid;grid-template-columns:1fr auto auto;gap:6px;align-items:center;font-size:12.5px}
.pos-fila>span{color:var(--muted)}
.pos-fila label{display:flex;align-items:center;gap:4px;color:var(--muted);font-size:11.5px}
.pos-fila .num{width:58px}
#posiciones-aviso[hidden]{display:none}

/* ── buscador de catalogo ── */
.fila.sel input[list]{
  width:100%;background:var(--ground);border:1px solid var(--line);color:var(--ink);
  border-radius:var(--r-sm);padding:9px 10px;
}
.fila.sel input[list]::placeholder{color:#5e7772}
.fila.sel input[list].real{border-color:var(--teal-dk);background:rgba(47,191,155,.06)}
.credito{border-top:1px solid var(--line);padding-top:9px;margin-top:11px;font-size:11.5px;line-height:1.45}
.credito[hidden]{display:none}
.credito a{color:var(--teal)}