:root {
  --fondo: #0b1020;
  --fondo2: #121a33;
  --tinta: #eaf0ff;
  --suave: #9fb0d8;
  --marca: #4da3ff;
  --marca2: #8a6bff;
  --verde: #28c08a;
  --rojo: #ff5a6a;
  --linea: #243256;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--fondo);
  color: var(--tinta);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  /* Luz de fondo suave, pintada una sola vez (no gasta batería). */
  background-image:
    radial-gradient(60% 50% at 15% 0%, rgba(77, 163, 255, .18), transparent),
    radial-gradient(60% 50% at 100% 20%, rgba(138, 107, 255, .16), transparent);
}

.pantalla {
  display: none;
  min-height: 100%;
  padding: max(20px, env(safe-area-inset-top)) 20px 24px;
  flex-direction: column;
  gap: 16px;
  max-width: 820px;
  margin: 0 auto;
}
.pantalla.activa { display: flex; }

/* ---------- Inicio ---------- */
.marca {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .3px;
  background: linear-gradient(90deg, var(--marca), var(--marca2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-top: 18px;
}
.sub { color: var(--suave); margin: -6px 0 6px; }

.campo { display: flex; flex-direction: column; gap: 6px; }
.campo span { color: var(--suave); font-size: 14px; }
.campo input {
  background: var(--fondo2);
  border: 1px solid var(--linea);
  border-radius: 14px;
  color: var(--tinta);
  padding: 14px 16px;
  font-size: 17px;
}
.campo input:focus { outline: 2px solid var(--marca); border-color: transparent; }

.opcion {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--tinta);
  background: var(--fondo2);
  border: 1px solid var(--linea);
  border-radius: 14px;
  padding: 14px 16px;
  cursor: pointer;
}
.instalar {
  align-self: flex-start;
  border-color: var(--marca);
  color: var(--marca);
  font-weight: 600;
}

.opcion input { width: 20px; height: 20px; accent-color: var(--marca); }
.opcion.peque { background: none; border: none; padding: 4px 2px; color: var(--suave); font-size: 14px; }

.boton-grande {
  margin-top: 4px;
  padding: 18px;
  border: none;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, var(--marca), var(--marca2));
  cursor: pointer;
}
.boton-grande:active { transform: scale(.99); }

.videos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.tile {
  position: relative;
  background: #000;
  border: 1px solid var(--linea);
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
}
.tile.yo { border-color: var(--marca); }
.tile video { width: 100%; height: 100%; object-fit: cover; display: block; }
.tile .ph {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 40px;
  background: #0e1530;
  color: var(--suave);
}
.tile .lab {
  position: absolute; left: 8px; bottom: 8px;
  background: rgba(0,0,0,.55); color: #fff;
  font-size: 12px; padding: 4px 8px; border-radius: 999px;
}

.roles { display: grid; gap: 14px; margin-top: 4px; }
.boton {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  align-items: center;
  text-align: left;
  background: var(--fondo2);
  border: 1px solid var(--linea);
  border-radius: 18px;
  padding: 18px;
  color: var(--tinta);
  cursor: pointer;
  transition: transform .08s ease, border-color .15s ease;
}
.boton:active { transform: scale(.99); }
.boton svg { grid-row: 1 / 3; width: 40px; height: 40px; fill: currentColor; }
.boton strong { font-size: 18px; }
.boton small { color: var(--suave); }
.boton.camara { border-color: #2a5fa6; }
.boton.camara svg { fill: var(--marca); }
.boton.monitor { border-color: #4b3f8f; }
.boton.monitor svg { fill: var(--marca2); }

.aviso {
  background: rgba(255, 90, 106, .12);
  border: 1px solid var(--rojo);
  color: #ffd8dc;
  padding: 12px 14px;
  border-radius: 12px;
}

.separador {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--suave);
  font-size: 13px;
  margin: 8px 0 2px;
}
.separador::before, .separador::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--linea);
}
.estado-avisos { color: var(--verde); font-size: 14px; min-height: 18px; margin: 4px 0; }

.lista-disp { display: grid; gap: 8px; }
.disp {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--fondo2);
  border: 1px solid var(--linea);
  border-radius: 14px;
  padding: 10px 14px;
}
.disp span { font-weight: 600; }

.alarma {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 12, 28, .92);
  padding: 24px;
}
/* El atributo "hidden" debe ganarle al display:flex de arriba. */
.alarma[hidden], .hablar[hidden] { display: none; }
.alarma-caja { text-align: center; max-width: 360px; width: 100%; }
.alarma-icono { font-size: 72px; animation: latir 1s ease-in-out infinite; }
.alarma-txt { font-size: 24px; font-weight: 800; margin: 8px 0 20px; }
@keyframes latir { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); } }
@media (prefers-reduced-motion: reduce) { .alarma-icono { animation: none; } }

/* ---------- Barra superior en cámara y monitor ---------- */
.barra {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.etiqueta { color: var(--suave); }
.etiqueta b { color: var(--tinta); }
.estado {
  font-size: 13px;
  color: var(--suave);
  background: var(--fondo2);
  border: 1px solid var(--linea);
  padding: 6px 10px;
  border-radius: 999px;
}
.estado.ok { color: var(--verde); border-color: #1f5c47; }
.estado.mal { color: var(--rojo); border-color: #5c2330; }

/* ---------- Video ---------- */
.video-caja {
  position: relative;
  background: #000;
  border: 1px solid var(--linea);
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  max-height: 64vh;
}
.video-caja video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.viendo, .sin-senal {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(0, 0, 0, .55);
  color: #fff;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 999px;
}
.sin-senal {
  left: 50%;
  top: 50%;
  bottom: auto;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, .45);
}
.hablando {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: var(--verde);
  color: #04120c;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  box-shadow: 0 0 0 4px rgba(40, 192, 138, .25);
}

/* ---------- Controles ---------- */
.controles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.pill {
  background: var(--fondo2);
  border: 1px solid var(--linea);
  color: var(--tinta);
  padding: 12px 16px;
  border-radius: 999px;
  font-size: 15px;
  cursor: pointer;
}
.pill:active { transform: scale(.98); }
.pill.rojo { border-color: #5c2330; color: #ffd8dc; }
.pill.activa { border-color: var(--marca); color: var(--marca); }

.hablar {
  flex: 1 1 auto;
  min-width: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  border: none;
  border-radius: 16px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, var(--marca), var(--marca2));
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
.hablar svg { width: 24px; height: 24px; fill: currentColor; }
.hablar:disabled { opacity: .5; filter: grayscale(.4); cursor: default; }
.hablar.hablando { background: var(--verde); box-shadow: 0 0 0 4px rgba(40, 192, 138, .25); }

.nota { color: var(--suave); font-size: 13px; margin-top: auto; }

@media (prefers-reduced-motion: reduce) {
  .boton, .pill, .hablar { transition: none; }
}

/* Elegir a quién hablarle */
.objetivo { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.objetivo-tit { color: var(--suave); font-size: 14px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  background: var(--fondo2);
  border: 1px solid var(--linea);
  color: var(--tinta);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
}
.chip.sel { border-color: var(--marca); color: var(--marca); background: rgba(77,163,255,.1); font-weight: 600; }