:root {
  --fondo: #070b12;
  --panel: #0d1420;
  --panel-2: #121b2b;
  --linea: #1f2b3f;
  --tinta: #e6edf7;
  --tinta-suave: #8a9ab3;
  --acento: #22d3ee;
  --espera: #475569;
  --io: #38bdf8;
  --cpu: #f59e0b;
  --listo: #34d399;
  --sec: #94a3b8;
  --con: #38bdf8;
  --par: #fb923c;
  --dis: #a78bfa;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--fondo);
  color: var(--tinta);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr) 330px;
  grid-template-rows: 60px minmax(0, 1fr) 240px;
  grid-template-areas: "barra barra barra" "izq escena der" "inf inf inf";
  overflow: hidden;
}

h1 { font-size: 16px; margin: 0; letter-spacing: -0.01em; }
h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--tinta-suave); margin: 0 0 10px; font-weight: 600;
  display: flex; align-items: baseline; gap: 8px;
}
h2 small { text-transform: none; letter-spacing: 0; font-weight: 400; opacity: 0.8; }

/* ------------------------------------------------------------ barra */
.barra {
  grid-area: barra; display: flex; align-items: center; justify-content: space-between;
  padding: 0 18px; border-bottom: 1px solid var(--linea); background: var(--panel);
}
.marca { display: flex; align-items: center; gap: 12px; }
.marca p { margin: 0; font-size: 12px; color: var(--tinta-suave); }
.logo {
  width: 28px; height: 28px; border-radius: 7px;
  background: conic-gradient(from 200deg, var(--sec), var(--con), var(--par), var(--sec));
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.35);
}
.equipo { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.chip {
  font: 12px var(--mono); padding: 4px 9px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--linea); color: var(--tinta-suave);
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.chip b { color: var(--tinta); font-weight: 600; }
.punto { width: 7px; height: 7px; border-radius: 50%; background: #f59e0b; }
.chip.ok .punto { background: var(--listo); box-shadow: 0 0 8px var(--listo); }
.chip.mal .punto { background: #ef4444; }

/* ------------------------------------------------------------ paneles */
.panel { background: var(--panel); overflow-y: auto; padding: 16px; }
.izq { grid-area: izq; border-right: 1px solid var(--linea); }
.der { grid-area: der; border-left: 1px solid var(--linea); }
.panel section + section { margin-top: 22px; }

.segmentos {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; padding: 3px;
  background: var(--fondo); border: 1px solid var(--linea); border-radius: 10px;
}
.segmentos button {
  all: unset; text-align: center; padding: 7px 4px; border-radius: 7px; cursor: pointer;
  font-size: 13px; color: var(--tinta-suave);
}
.segmentos button:hover { color: var(--tinta); }
.segmentos button.activo { background: var(--panel-2); color: var(--tinta); box-shadow: inset 0 0 0 1px #2c3c57; }
.segmentos button:focus-visible { outline: 2px solid var(--acento); }

.concepto {
  margin: 12px 0 0; padding: 12px; border-radius: 10px; font-size: 13px;
  background: var(--panel-2); border-left: 3px solid var(--acento);
}
.concepto b { color: var(--tinta); }
.pista { font-size: 12px; color: var(--tinta-suave); margin: 8px 0 0; }

.ajustes label { display: block; font-size: 13px; margin-bottom: 12px; }
.ajustes output { float: right; font: 600 12px var(--mono); color: var(--acento); }
input[type=range] { width: 100%; accent-color: var(--acento); margin-top: 6px; }
input[type=range]:disabled { opacity: 0.4; }

.acciones { display: grid; gap: 8px; }
.acciones button, .exportar button, .vista {
  font: inherit; cursor: pointer; border-radius: 10px; padding: 10px; border: 1px solid var(--linea);
}
.primario { background: var(--acento); color: #04212a; font-weight: 700; border-color: transparent; }
.primario:hover { filter: brightness(1.1); }
.secundario { background: var(--panel-2); color: var(--tinta); }
.secundario:hover { border-color: #2f4262; }
button:disabled { opacity: 0.45; cursor: not-allowed; filter: none; }

.leyenda ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: 12.5px; color: var(--tinta-suave); }
.leyenda i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; }
.leyenda li { display: flex; align-items: flex-start; }
.leyenda li i { flex-shrink: 0; margin-top: 3px; }
.leyenda b { color: var(--tinta); font-weight: 600; }
.leyenda .tapete { background: rgba(125, 211, 252, 0.15); border: 1px solid #7dd3fc; }
.leyenda .llave { background: #facc15; transform: rotate(45deg) scale(0.8); box-shadow: 0 0 8px #f59e0b; }

/* ------------------------------------------------------------ escena */
.escena { grid-area: escena; position: relative; overflow: hidden; background: radial-gradient(ellipse at 50% 30%, #0f1a2c 0%, var(--fondo) 70%); }
.escena canvas, .capa-etiquetas { position: absolute; inset: 0; }
.estado-escena {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); z-index: 2;
  background: rgba(13, 20, 32, 0.85); border: 1px solid var(--linea); border-radius: 999px;
  padding: 6px 14px; font-size: 13px; pointer-events: none; backdrop-filter: blur(6px);
  white-space: nowrap;
}
.vista {
  position: absolute; right: 12px; bottom: 12px; z-index: 2; padding: 6px 10px; font-size: 12px;
  background: rgba(13, 20, 32, 0.85); color: var(--tinta-suave);
}
.lbl { font-size: 11px; color: var(--tinta-suave); white-space: nowrap; pointer-events: none; }
.lbl-zona { color: var(--tinta); font-weight: 600; font-size: 13px; text-align: center; padding-bottom: 6px; }
.lbl-zona small { display: block; font-weight: 400; font-size: 11px; color: var(--tinta-suave); }
.lbl-proceso { font: 600 11.5px var(--mono); color: #bae6fd; padding-top: 4px; }
.lbl-proceso.derecha { text-align: right; }
.lbl-proceso small { display: block; font-weight: 400; color: var(--tinta-suave); font-family: system-ui, sans-serif; }
.lbl-mesero, .lbl-cliente, .lbl-cafetera {
  text-align: center; line-height: 1.25; background: rgba(9, 14, 24, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.18); border-radius: 6px; padding: 2px 6px;
}
.lbl-mesero b { font: 600 11px var(--mono); }
.lbl-mesero small, .lbl-cliente small, .lbl-cafetera small { display: block; font-size: 10.5px; color: var(--tinta-suave); }
.lbl-cliente { font-size: 11px; }
.lbl-cliente b { color: var(--tinta); }
.lbl-cliente em { display: block; font-style: normal; font: 10.5px var(--mono); color: #cbd5e1; }
.lbl-cliente.servida { border-color: rgba(52, 211, 153, 0.6); }
.lbl-cliente.servida em { color: var(--listo); }
.lbl-cafetera { font: 600 10.5px var(--mono); color: #a5f3fc; }
.lbl-gil { font: 700 10px var(--mono); color: #facc15; text-shadow: 0 0 6px #000; }
.lbl-carril { font: 11px var(--mono); color: var(--tinta); background: rgba(13,20,32,.75); padding: 1px 6px; border-radius: 5px; }
.lbl-cpu { font: 600 11px var(--mono); color: #a5f3fc; padding: 0 0 4px 4px; }
.lbl-nucleo { font: 10px var(--mono); color: var(--tinta-suave); }
.lbl-ficha { font: 700 12px var(--mono); color: #f8fafc; text-shadow: 0 1px 3px #000; }

/* ------------------------------------------------------------ métricas */
.metricas { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.metricas div { background: var(--panel-2); border: 1px solid var(--linea); border-radius: 10px; padding: 8px 10px; }
.metricas span { display: block; font-size: 11px; color: var(--tinta-suave); }
.metricas b { font: 600 18px var(--mono); font-variant-numeric: tabular-nums; }

.barras { display: grid; gap: 10px; }
.barra-m { display: grid; grid-template-columns: 96px 1fr; align-items: center; gap: 8px; font-size: 12.5px; }
.barra-m .pista-b { background: var(--fondo); border-radius: 6px; height: 22px; position: relative; overflow: hidden; border: 1px solid var(--linea); }
.barra-m .relleno { position: absolute; inset: 0 auto 0 0; border-radius: 5px; transition: width .6s cubic-bezier(.2,.8,.2,1); }
.barra-m .valor { position: absolute; left: 8px; top: 50%; transform: translateY(-50%); font: 600 11.5px var(--mono); color: #06101c; mix-blend-mode: normal; }
.barra-m .valor.fuera { color: var(--tinta-suave); }

.tabla { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tabla th { text-align: left; color: var(--tinta-suave); font-weight: 500; font-size: 11px; padding: 4px 4px; border-bottom: 1px solid var(--linea); }
.tabla td { padding: 6px 4px; border-bottom: 1px solid var(--linea); font-variant-numeric: tabular-nums; }
.tabla td:nth-child(n+3) { font-family: var(--mono); }
.tabla tr.vacio td { color: var(--tinta-suave); text-align: center; padding: 14px; }
.tabla tr.nuevo { animation: brillo 1.5s ease-out; }
@keyframes brillo { from { background: rgba(34, 211, 238, 0.18); } to { background: transparent; } }
.etq-modo { display: inline-flex; align-items: center; gap: 6px; }
.etq-modo i { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
.exportar { margin-left: auto; display: inline-flex; gap: 4px; }
.exportar button { padding: 2px 8px; font-size: 11px; border-radius: 6px; background: var(--panel-2); color: var(--tinta); text-transform: none; letter-spacing: 0; }

/* ------------------------------------------------------------ inferior */
.inferior {
  grid-area: inf; display: grid; grid-template-columns: minmax(0, 1fr) 400px;
  border-top: 1px solid var(--linea); background: var(--panel); min-height: 0;
}
.inferior section { padding: 12px 16px; min-height: 0; display: flex; flex-direction: column; }
.gantt canvas { flex: 1; width: 100%; min-height: 0; }
.registro { border-left: 1px solid var(--linea); }
#log {
  list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1;
  font: 11.5px/1.6 var(--mono); color: var(--tinta-suave);
}
#log li { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#log .t { color: #5b6b85; display: inline-block; width: 64px; }
#log .tipo { display: inline-block; width: 76px; font-weight: 600; }
#log .inicio { color: var(--acento); }
#log .fin { color: var(--listo); }
#log .progreso { color: #64748b; }
#log .sistema { color: #c4b5fd; }
#log .error { color: #f87171; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1100px) {
  body {
    grid-template-columns: 1fr; grid-template-rows: auto 60vh auto auto auto;
    grid-template-areas: "barra" "escena" "izq" "der" "inf"; overflow: auto;
  }
  .barra { padding: 10px 16px; flex-wrap: wrap; gap: 8px; }
  .panel { border: 0; border-top: 1px solid var(--linea); overflow: visible; }
  .inferior { grid-template-columns: 1fr; }
  .gantt canvas { height: 260px; flex: none; }
  .registro { border-left: 0; border-top: 1px solid var(--linea); height: 240px; }
}

/* ------------------------------------------------------------ tiempo real */
.tiempo-real { background: var(--panel-2); border: 1px solid var(--linea); border-radius: 12px; padding: 12px; }
.interruptor { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 13px; }
.interruptor input { position: absolute; opacity: 0; pointer-events: none; }
.interruptor .riel {
  width: 40px; height: 22px; border-radius: 999px; background: #334155; position: relative;
  flex-shrink: 0; transition: background .2s;
}
.interruptor .riel::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%;
  background: #e2e8f0; transition: transform .2s;
}
.interruptor input:checked + .riel { background: var(--acento); }
.interruptor input:checked + .riel::after { transform: translateX(18px); }
.interruptor input:focus-visible + .riel { outline: 2px solid var(--acento); outline-offset: 2px; }
.interruptor input:disabled + .riel { opacity: .5; }
.interruptor b { display: block; color: var(--tinta); }
.interruptor small { display: block; color: var(--tinta-suave); font-size: 11.5px; }
.tiempo-real .pista code, .leyenda code { font: 11px var(--mono); color: #fca5a5; }
.lbl-caja { color: var(--tinta); font-weight: 600; font-size: 12px; text-align: center; background: rgba(9,14,24,.8);
  border: 1px solid rgba(239,68,68,.35); border-radius: 6px; padding: 2px 7px; }
.lbl-caja small { display: block; font: 10.5px var(--mono); color: var(--tinta-suave); }
#log .caja { color: #fca5a5; }
#log .etapa { color: #a5b4fc; }
.tabla .tr { font: 600 9.5px var(--mono); color: #04212a; background: var(--acento); border-radius: 4px; padding: 0 3px; }

.segmentos.dos { grid-template-columns: repeat(2, 1fr); }
.segmentos.cuatro { grid-template-columns: repeat(2, 1fr); }

/* --------------------------------------------------- modo distribuido */
.red .deslizador { display: block; font-size: 13px; margin-bottom: 12px; }
.red .deslizador output { float: right; font: 600 12px var(--mono); color: var(--dis); }
.red .deslizador input { width: 100%; }
.red .interruptor input:checked + .riel { background: var(--dis); }
.red .pista b { color: var(--tinta); }
.leyenda .paquete { background: #c4b5fd; border-radius: 50%; box-shadow: 0 0 6px #a78bfa; }
.lbl-coord { font: 600 12px var(--mono); color: #ddd6fe; text-align: center; background: rgba(9,14,24,.82);
  border: 1px solid rgba(167,139,250,.45); border-radius: 6px; padding: 2px 7px; }
.lbl-coord small { display: block; font: 400 10.5px system-ui, sans-serif; color: var(--tinta-suave); }
.lbl-nodo { font: 10px var(--mono); color: #c4b5fd; text-align: center; background: rgba(9,14,24,.7);
  border-radius: 5px; padding: 1px 5px; }
.lbl-nodo.caido { color: #fca5a5; border: 1px solid rgba(239,68,68,.6); }
.lbl-mesero.caido b { color: #f87171 !important; text-decoration: line-through; }
#log .red { color: #c4b5fd; }
#log .falla { color: #f87171; }
.chip.enlace { color: var(--dis); text-decoration: none; border-color: rgba(167,139,250,.45); }
.chip.enlace:hover { background: rgba(167,139,250,.12); }
.chip.enlace b { color: var(--tinta); }
.red .pista a { color: var(--dis); }