/* ==========================================================================
   Atlas 3D de Cabeza y Cuello — estilos
   ========================================================================== */

:root {
  --fondo: #0b1220;
  --fondo-panel: #121a2b;
  --fondo-panel-2: #0f1626;
  --borde: #23304a;
  --texto: #e6ecf5;
  --texto-suave: #9fb0c9;
  --acento: #4da3ff;
  --acento-oscuro: #2d6fc0;
  --peligro: #ff5d5d;
  --exito: #4ade80;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--texto);
  background: var(--fondo);
  display: flex;
  flex-direction: column;
}

/* ------------------------------- Barra superior ------------------------------- */
.barra-superior {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  background: linear-gradient(180deg, #0e1626, #0b1220);
  border-bottom: 1px solid var(--borde);
  flex-shrink: 0;
  flex-wrap: wrap;
  z-index: 20;
}

.titulo-bloque h1 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.subtitulo {
  font-size: 12px;
  color: var(--texto-suave);
  white-space: nowrap;
}

.buscador {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 460px;
}

#input-busqueda {
  width: 100%;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: var(--fondo-panel-2);
  color: var(--texto);
  font-size: 13px;
  outline: none;
}

#input-busqueda:focus {
  border-color: var(--acento);
}

.autocompletar {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--fondo-panel);
  border: 1px solid var(--borde);
  border-radius: 8px;
  max-height: 260px;
  overflow-y: auto;
  z-index: 50;
}

.autocompletar .item {
  padding: 7px 12px;
  cursor: pointer;
  border-bottom: 1px solid rgba(35, 48, 74, 0.4);
}

.autocompletar .item:hover,
.autocompletar .item.activo {
  background: var(--acento-oscuro);
}

.autocompletar .item .capa-item {
  display: block;
  font-size: 11px;
  color: var(--texto-suave);
}

.acciones {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.boton {
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: var(--fondo-panel-2);
  color: var(--texto);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.boton:hover {
  border-color: var(--acento);
}

.boton.activo {
  background: var(--acento-oscuro);
  border-color: var(--acento);
  color: #fff;
}

.boton.pequeno {
  padding: 4px 10px;
  font-size: 12px;
}

#selector-vista {
  cursor: pointer;
}

/* ------------------------------- Cortes ------------------------------- */
.controles-cortes {
  display: flex;
  gap: 24px;
  padding: 6px 16px;
  background: var(--fondo-panel);
  border-bottom: 1px solid var(--borde);
  font-size: 12px;
  color: var(--texto-suave);
  align-items: center;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.controles-cortes label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.controles-cortes input[type="range"] {
  width: 140px;
  accent-color: var(--acento);
}

/* ------------------------------- Layout ------------------------------- */
.principal {
  display: flex;
  flex: 1;
  min-height: 0;
}

.visor {
  position: relative;
  flex: 1;
  min-width: 0;
  background:
    radial-gradient(ellipse at 50% 35%, #16202f 0%, #0b1220 70%);
}

#visor-contenedor {
  position: absolute;
  inset: 0;
}

#visor-contenedor canvas {
  display: block;
}

/* El contenedor de etiquetas CSS2D debe superponerse al lienzo 3D.
   (El build recortado de CSS2DRenderer no fija position/top/left). */
#visor-contenedor > div {
  position: absolute !important;
  top: 0;
  left: 0;
  pointer-events: none;
}

.panel {
  width: 280px;
  flex-shrink: 0;
  background: var(--fondo-panel);
  border: 1px solid var(--borde);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.panel-izquierdo {
  border-left: none;
  border-top: none;
  border-bottom: none;
}

.panel-derecho {
  border-right: none;
  border-top: none;
  border-bottom: none;
}

.panel-cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 12px 8px;
}

.panel h2 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--texto);
}

.acciones-panel {
  display: flex;
  gap: 6px;
}

/* ------------------------------- Capas ------------------------------- */
.indicador-diseccion {
  margin: 0 12px 8px;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(77, 163, 255, 0.12);
  border: 1px solid rgba(77, 163, 255, 0.4);
  color: var(--acento);
  font-size: 12px;
}

.lista-capas {
  list-style: none;
  padding: 0 8px;
  overflow-y: auto;
}

.lista-capas .fila-capa {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.12s, border-color 0.12s;
}

.lista-capas .fila-capa:hover {
  background: var(--fondo-panel-2);
}

.lista-capas .fila-capa.activa {
  background: var(--fondo-panel-2);
  border-color: var(--acento);
}

.lista-capas .fila-capa.oculta .nombre-capa {
  color: var(--texto-suave);
  text-decoration: line-through;
  opacity: 0.65;
}

.chip-color {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.info-capa {
  flex: 1;
  min-width: 0;
}

.nombre-capa {
  display: block;
  font-size: 13px;
  line-height: 1.2;
}

.contador-capa {
  font-size: 11px;
  color: var(--texto-suave);
}

.ojito {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1px solid var(--borde);
  background: transparent;
  color: var(--texto-suave);
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
}

.ojito:hover {
  border-color: var(--acento);
  color: var(--texto);
}

.pie-capas {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--texto-suave);
  border-top: 1px solid var(--borde);
  margin-top: auto;
}

/* ------------------------------- Regiones ------------------------------- */
.titulo-regiones {
  padding: 16px 12px 8px;
}

.lista-regiones {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 12px 12px;
}

.lista-regiones .boton {
  font-size: 12px;
  padding: 5px 10px;
}

/* ------------------------------- Pestanas ------------------------------- */
.pestanas {
  display: flex;
  border-bottom: 1px solid var(--borde);
  flex-shrink: 0;
}

.pestana {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--texto-suave);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.pestana.activa {
  color: var(--texto);
  border-bottom-color: var(--acento);
}

.pestana-contenido {
  display: none;
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.pestana-contenido.activa {
  display: flex;
  flex-direction: column;
}

/* ------------------------------- Lista de estructuras ------------------------------- */
.busqueda-lista {
  padding: 10px 12px 6px;
}

#input-filtro-lista {
  width: 100%;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--borde);
  background: var(--fondo-panel-2);
  color: var(--texto);
  font-size: 12px;
  outline: none;
}

.acordeon-estructuras {
  padding: 4px 8px 12px;
}

.acordeon-capa {
  margin-bottom: 4px;
}

.acordeon-capa > .cabecera-capa {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px;
  background: transparent;
  border: none;
  color: var(--texto);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  border-radius: 6px;
}

.acordeon-capa > .cabecera-capa:hover {
  background: var(--fondo-panel-2);
}

.acordeon-capa > .cabecera-capa .flecha {
  margin-left: auto;
  font-size: 10px;
  color: var(--texto-suave);
}

.estructuras-capa {
  display: none;
  margin-left: 22px;
}

.acordeon-capa.abierta .estructuras-capa {
  display: block;
}

.item-estructura {
  display: block;
  width: 100%;
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: 5px;
  color: var(--texto-suave);
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}

.item-estructura:hover {
  background: var(--fondo-panel-2);
  color: var(--texto);
}

.item-estructura.seleccionada {
  background: rgba(77, 163, 255, 0.16);
  color: var(--acento);
}

.item-estructura .latino-item {
  display: block;
  font-style: italic;
  font-size: 11px;
  color: var(--texto-suave);
}

/* ------------------------------- Detalle ------------------------------- */
.contenido-detalle {
  padding: 14px;
}

.contenido-detalle h3 {
  font-size: 15px;
  margin-bottom: 2px;
}

.contenido-detalle .latino {
  font-style: italic;
  color: var(--texto-suave);
  font-size: 13px;
  margin-bottom: 12px;
}

.contenido-detalle .campo {
  margin-bottom: 10px;
}

.contenido-detalle .campo .etiqueta-campo {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--texto-suave);
  margin-bottom: 2px;
}

.contenido-detalle .campo .valor-campo {
  font-size: 13px;
  line-height: 1.4;
}

.chip-region {
  display: inline-block;
  margin: 2px 4px 2px 0;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--fondo-panel-2);
  border: 1px solid var(--borde);
  font-size: 11px;
}

.acciones-detalle {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.pista-estudio {
  padding: 10px;
  border-radius: 8px;
  background: rgba(255, 221, 87, 0.08);
  border: 1px solid rgba(255, 221, 87, 0.35);
  font-size: 12px;
  color: #ffdd87;
  margin-bottom: 12px;
  line-height: 1.5;
}

.vacio-detalle {
  color: var(--texto-suave);
  font-size: 13px;
  line-height: 1.5;
  padding: 20px 14px;
}

/* ------------------------------- Etiquetas 3D ------------------------------- */
.etiqueta-3d {
  background: rgba(8, 13, 24, 0.86);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.etiqueta-3d.seleccionada {
  background: rgba(45, 111, 192, 0.95);
  border-color: var(--acento);
  font-weight: 700;
}

.etiqueta-hover {
  background: rgba(255, 221, 87, 0.9);
  color: #1a1205;
  border: 1px solid #ffdd87;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

/* ------------------------------- Barra de estado ------------------------------- */
.barra-estado {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 6px 14px;
  background: rgba(11, 18, 32, 0.85);
  border-top: 1px solid var(--borde);
  font-size: 12px;
  color: var(--texto-suave);
  pointer-events: none;
  z-index: 5;
}

/* ------------------------------- Chip de aislamiento ------------------------------- */
.chip-aislamiento {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  background: rgba(45, 111, 192, 0.9);
  border: 1px solid var(--acento);
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  z-index: 10;
}

.chip-aislamiento .boton {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.chip-aislamiento .boton:hover {
  background: rgba(255, 255, 255, 0.3);
}

.error-red {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 14px;
  border-radius: 8px;
  background: rgba(255, 93, 93, 0.15);
  border: 1px solid var(--peligro);
  color: var(--peligro);
  font-size: 12px;
  z-index: 15;
  max-width: 80%;
  text-align: center;
}

/* --------------------- Estructuras asociadas (relaciones) --------------------- */
.relaciones-bloque {
  margin-top: 16px;
  border-top: 1px solid var(--borde);
  padding-top: 12px;
}

.relaciones-titulo {
  font-size: 13px;
  font-weight: 700;
  color: var(--texto);
  margin-bottom: 8px;
}

.relaciones-aviso {
  font-size: 12px;
  color: var(--texto-suave);
  line-height: 1.4;
  margin-bottom: 8px;
}

.relaciones-grupo {
  margin-bottom: 12px;
}

.relaciones-grupo-titulo {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--texto-suave);
  margin-bottom: 4px;
}

.item-relacion {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: 6px;
  font-size: 12px;
}

.item-relacion:hover {
  background: var(--fondo-panel-2);
}

.nombre-relacion {
  flex: 1;
  min-width: 0;
}

.btn-agregar-rel {
  flex-shrink: 0;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--borde);
  background: var(--fondo-panel-2);
  color: var(--exito);
  font-size: 11px;
  cursor: pointer;
}

.btn-agregar-rel:hover {
  border-color: var(--exito);
}

.btn-quitar-rel {
  flex-shrink: 0;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--borde);
  background: var(--fondo-panel-2);
  color: var(--texto-suave);
  font-size: 11px;
  cursor: pointer;
}

.btn-quitar-rel:hover {
  border-color: var(--peligro);
  color: var(--peligro);
}

.chip-relacion {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--exito);
}

.extras-aislamiento {
  margin-top: 14px;
  border-top: 1px solid var(--borde);
  padding-top: 10px;
}

.chips-extras {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.extra-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border: 1px solid var(--borde);
  border-radius: 6px;
  background: var(--fondo-panel-2);
  font-size: 12px;
}

.extra-chip .chip-color {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.extra-chip > span:nth-child(2) {
  flex: 1;
  min-width: 0;
}

.btn-quitar-extra {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  line-height: 1;
  border-radius: 50%;
  border: 1px solid var(--borde);
  background: transparent;
  color: var(--texto-suave);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
}

.btn-quitar-extra:hover {
  border-color: var(--peligro);
  color: var(--peligro);
}

/* ------------------------------- Responsive ------------------------------- */
@media (max-width: 900px) {
  .panel {
    width: 220px;
  }
}

@media (max-width: 700px) {
  .panel-izquierdo {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform 0.2s;
    z-index: 30;
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.5);
  }

  .panel-izquierdo.abierto {
    transform: translateX(0);
  }

  .panel-derecho {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    transform: translateX(100%);
    transition: transform 0.2s;
    z-index: 30;
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.5);
  }

  .panel-derecho.abierto {
    transform: translateX(0);
  }

  .visor {
    position: relative;
  }

  .boton-movil {
    display: inline-block;
  }
}

.oculto {
  display: none !important;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: var(--borde);
  border-radius: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}