/* =========================================================================
   Gemelo Digital — HUD sobre lienzo 3D
   El HUD es una capa con pointer-events: none; solo los paneles concretos
   recuperan la interaccion para no bloquear el control de orbita.
   ========================================================================= */

:root {
  --bg: #070b12;
  --panel: rgba(12, 20, 32, 0.66);
  --panel-border: rgba(120, 190, 255, 0.18);
  --text: #e8f1fb;
  --text-dim: #8fa5bd;
  --accent: #35d0ff;
  --ok: #2fe08a;
  --warn: #ffc247;
  --crit: #ff4d5e;
  --unk: #7d8fa6;
  --radius: 14px;
  --blur: blur(14px);
  --font: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Consolas", "SF Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

#scene-root { position: fixed; inset: 0; }
#scene-root canvas { display: block; }

#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  display: grid;
  grid-template-rows: auto 1fr auto auto;   /* cabecera · escena · tiempo · controles */
  padding: 16px;
  gap: 12px;
}

/* Mientras se rebobina, un borde marca que lo que se ve no es el presente. */
#hud.replaying::before {
  content: "REPRODUCCIÓN — no es tiempo real";
  position: absolute;
  inset: 0;
  border: 2px solid rgba(255, 194, 71, 0.55);
  border-radius: 10px;
  color: var(--warn);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  text-align: center;
  padding-top: 3px;
  pointer-events: none;
  z-index: 5;
}

.hud-panel {
  pointer-events: auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
}

.hud-panel h2 {
  margin: 0 0 10px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--text-dim);
  font-weight: 600;
}

/* ------------------------------------------------------------- cabecera -- */

.hud-header {
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 18px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--accent), #6f6bff);
  box-shadow: 0 0 18px rgba(53, 208, 255, 0.55);
}

.hud-header h1 { margin: 0; font-size: 16px; letter-spacing: 0.4px; font-weight: 600; }
.subtitle { margin: 2px 0 0; font-size: 11.5px; color: var(--text-dim); letter-spacing: 0.3px; }

.header-right { display: flex; align-items: center; gap: 22px; }

.plant-status { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.plant-status .chip { min-width: 96px; }

.conn {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-dim);
  font-family: var(--mono);
}
.conn-lat { opacity: 0.75; }

.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-dim); transition: all 0.25s; }
.dot-on   { background: var(--ok);   box-shadow: 0 0 10px var(--ok); }
.dot-off  { background: var(--crit); box-shadow: 0 0 10px var(--crit); }
.dot-wait { background: var(--warn); box-shadow: 0 0 10px var(--warn); animation: pulse 1s infinite; }

@keyframes pulse { 50% { opacity: 0.35; } }

/* ---------------------------------------------------------------- chips -- */

.chip {
  display: inline-block;
  text-align: center;
  padding: 4px 9px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  border: 1px solid transparent;
  transition: all 0.25s;
}
.chip-ok   { color: var(--ok);   background: rgba(47, 224, 138, 0.12); border-color: rgba(47, 224, 138, 0.35); }
.chip-warn { color: var(--warn); background: rgba(255, 194, 71, 0.12); border-color: rgba(255, 194, 71, 0.35); }
.chip-crit { color: var(--crit); background: rgba(255, 77, 94, 0.14);  border-color: rgba(255, 77, 94, 0.45); animation: blink 0.8s infinite; }
.chip-unk  { color: var(--unk);  background: rgba(125, 143, 166, 0.12); border-color: rgba(125, 143, 166, 0.4);
             border-style: dashed; }

@keyframes blink { 50% { opacity: 0.45; } }

/* ------------------------------------------------- columna izquierda ----- */

/* La lista de activos nunca se va de pantalla: si falta alto, el que scrollea
   es el panel de detalle. Perder de vista los equipos mientras se navega el
   detalle de uno hacia abajo era desorientador. */
.hud-side {
  grid-row: 2;
  justify-self: start;
  align-self: start;
  width: 300px;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  pointer-events: none;              /* el hueco entre paneles deja pasar */
}

.hud-assets { flex: 0 0 auto; }

.hud-detail {
  flex: 0 1 auto;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
}
.hud-detail::-webkit-scrollbar { width: 6px; }
.hud-detail::-webkit-scrollbar-thumb { background: rgba(120, 190, 255, 0.25); border-radius: 3px; }

.hud-assets, .hud-detail { padding: 14px 16px; }

/* Lista de activos ------------------------------------------------------- */

.asset-list { display: flex; flex-direction: column; gap: 7px; }

.asset-card {
  pointer-events: auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 8px;
  width: 100%;
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--font);
  text-align: left;
  cursor: pointer;
  transition: all 0.18s;
}
.asset-card:hover { background: rgba(255, 255, 255, 0.09); }
.asset-card.selected { border-color: var(--accent); background: rgba(53, 208, 255, 0.13); }
.asset-card[data-status="WARNING"]  { border-left: 3px solid var(--warn); }
.asset-card[data-status="CRITICAL"] { border-left: 3px solid var(--crit); }

.asset-top { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; }
.asset-id { font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: 0.5px; }
.asset-role { grid-column: 1; font-size: 10.5px; color: var(--text-dim); }
.asset-primary { grid-column: 2; font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums; }
.asset-primary small { font-size: 9.5px; color: var(--text-dim); margin-left: 3px; }

/* Detalle del activo ----------------------------------------------------- */

.detail-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.detail-head h2 { margin: 0; font-size: 12.5px; text-transform: none; letter-spacing: 0.3px; color: var(--text); }

.fault-banner {
  margin-bottom: 9px;
  padding: 7px 10px;
  border-radius: 9px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--crit);
  background: rgba(255, 77, 94, 0.12);
  border: 1px solid rgba(255, 77, 94, 0.35);
}

.rul-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.rul-banner span { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }
.rul-banner b { font-family: var(--mono); font-size: 15px; font-variant-numeric: tabular-nums; }
.rul-ok   { background: rgba(47, 224, 138, 0.08);  border-color: rgba(47, 224, 138, 0.25); }
.rul-ok b { color: var(--ok); }
.rul-warn { background: rgba(255, 194, 71, 0.10);  border-color: rgba(255, 194, 71, 0.35); }
.rul-warn b { color: var(--warn); }
.rul-crit { background: rgba(255, 77, 94, 0.12);   border-color: rgba(255, 77, 94, 0.42); }
.rul-crit b { color: var(--crit); }

.spark {
  display: block;
  width: 100%;
  height: 52px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

/* Señales ---------------------------------------------------------------- */

.signals { display: flex; flex-direction: column; gap: 9px; }

.signal-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }

.signal-label { font-size: 10.5px; color: var(--text-dim); }
.signal-label em {
  font-style: normal;
  font-size: 8.5px;
  opacity: 0.65;
  border: 1px solid currentColor;
  border-radius: 4px;
  padding: 0 3px;
  margin-left: 4px;
}

.signal-value { font-family: var(--mono); font-size: 13.5px; font-variant-numeric: tabular-nums; }
.signal-value small { font-size: 9.5px; color: var(--text-dim); margin-left: 3px; }

.signal[data-status="WARNING"]  .signal-value b { color: var(--warn); }
.signal[data-status="CRITICAL"] .signal-value b { color: var(--crit); }

/* Señal sin dato: se apaga en vez de mostrar un número que no existe. */
.signal[data-status="UNKNOWN"] { opacity: 0.55; }
.signal[data-status="UNKNOWN"] .signal-value b { color: var(--unk); font-style: italic; }
.signal[data-status="UNKNOWN"] .gauge-fill { background: repeating-linear-gradient(
  90deg, rgba(125,143,166,0.5) 0 4px, transparent 4px 8px) !important; width: 100% !important; }

.asset-card[data-status="UNKNOWN"] { border-left: 3px dashed var(--unk); opacity: 0.8; }

.gauge {
  margin-top: 5px;
  height: 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.gauge-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: var(--ok);
  transition: width 0.9s linear, background 0.4s;
}

/* ------------------------------------------------------------ controles -- */

/* ------------------------------------------------------ línea de tiempo -- */

.hud-timeline {
  grid-row: 3;
  justify-self: stretch;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
}

.tl-live {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s;
}
.tl-live.active { color: var(--ok); border-color: rgba(47, 224, 138, 0.4); background: rgba(47, 224, 138, 0.1); }
.tl-live:hover { background: rgba(255, 255, 255, 0.12); }

.tl-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  animation: pulse 1.6s infinite;
}
.tl-dot-off { background: var(--text-dim); box-shadow: none; animation: none; }

.tl-track { position: relative; flex: 1; height: 22px; }

.tl-band {
  position: absolute;
  top: 6px;
  left: 0;
  width: 100%;
  height: 10px;
  border-radius: 3px;
  opacity: 0.75;
}

/* El input va encima de la banda, con el riel transparente para no taparla. */
.tl-range {
  position: absolute;
  inset: 0;
  width: 100%;
  margin: 0;
  pointer-events: auto;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}
.tl-range::-webkit-slider-runnable-track { height: 22px; background: transparent; }
.tl-range::-moz-range-track { height: 22px; background: transparent; }
.tl-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 4px; height: 22px;
  border-radius: 2px;
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.7);
  cursor: grab;
}
.tl-range::-moz-range-thumb {
  width: 4px; height: 22px;
  border: none;
  border-radius: 2px;
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.7);
  cursor: grab;
}

.tl-pos {
  min-width: 72px;
  text-align: right;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.hud-controls {
  grid-row: 4;
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.ctrl-row { display: flex; gap: 7px; flex-wrap: wrap; justify-content: center; }
.ctrl-sep { width: 1px; align-self: stretch; background: rgba(255, 255, 255, 0.14); }

.ctrl {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}
.ctrl:hover { background: rgba(255, 255, 255, 0.13); transform: translateY(-1px); }
.ctrl:active { transform: translateY(0); }
.ctrl-icon { font-size: 14px; line-height: 1; }

.ctrl.active { border-color: var(--crit); background: rgba(255, 77, 94, 0.2); color: #ffd7db; }
.ctrl-clear.active, .ctrl-demand-peak.active { border-color: var(--accent); background: rgba(53, 208, 255, 0.18); color: #cdf3ff; }

.speed-group { display: flex; align-items: center; gap: 4px; }
.speed-label {
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-right: 2px;
}
.speed {
  pointer-events: auto;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10.5px;
  cursor: pointer;
  transition: all 0.18s;
}
.speed:hover { background: rgba(255, 255, 255, 0.1); color: var(--text); }
.speed.active { border-color: var(--accent); background: rgba(53, 208, 255, 0.18); color: #cdf3ff; }

.hud-hint {
  grid-row: 4;
  justify-self: end;
  align-self: end;
  margin: 0;
  max-width: 34ch;
  text-align: right;
  font-size: 10px;
  line-height: 1.4;
  color: var(--text-dim);
  opacity: 0.65;
  pointer-events: none;
}

/* ---------------------------------------------------------------- toast -- */

.toast {
  position: fixed;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 18px;
  border-radius: 10px;
  background: rgba(255, 194, 71, 0.16);
  border: 1px solid rgba(255, 194, 71, 0.45);
  color: var(--warn);
  font-size: 12.5px;
  font-family: var(--mono);
  backdrop-filter: var(--blur);
  z-index: 20;
  max-width: 80vw;
  text-align: center;
}
.toast-error { background: rgba(255, 77, 94, 0.16); border-color: rgba(255, 77, 94, 0.5); color: var(--crit); }

/* ----------------------------------------------------------- responsive -- */

@media (max-width: 900px) {
  #hud { padding: 10px; gap: 8px; }
  .hud-side { width: 250px; }
  .hud-hint { display: none; }
  .header-right { gap: 12px; }
  .plant-status .metric-label { display: none; }
}

@media (max-width: 640px) {
  .hud-side { width: 100%; max-height: 42vh; }
  .hud-header h1 { font-size: 14px; }
  .subtitle, .asset-role { display: none; }
  .ctrl-text { display: none; }        /* solo iconos en pantallas chicas */
  .ctrl { padding: 9px 12px; }
  .ctrl-icon { font-size: 17px; }
  .ctrl-sep { display: none; }
}

.metric-label {
  display: block;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}