/* 🌌 Estilo base */
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(ellipse at center, #0a0a0a 0%, #000000 100%);
  color: #00ffcc;
  font-family: 'Courier New', monospace;
  overflow-x: hidden;
  text-align: center;
}

/* 🪐 Títulos */
h1 {
  font-size: 2.8em;
  margin-top: 10vh;
  color: #ffcc00;
}

h2 {
  font-size: 1.5em;
  margin-bottom: 2em;
  color: #ffffff;
  text-shadow: 0 0 5px #00ffcc;
}

/* ⏳ Cuenta regresiva */
#countdown {
  font-size: 1.5em;
  margin: 2em 0;
  color: #ffffff;
}

/* 🔄 Selector de modo */
#modoSelector {
  margin: 2em auto;
  max-width: 900px;
  padding: 1em;
  background-color: rgba(0, 0, 0, 0.6);
  border: 1px solid #444;
  border-radius: 8px;
  box-sizing: border-box;
}

.modoBtn {
  background-color: #111;
  color: #00ffcc;
  border: 2px solid #ffcc00;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  padding: 0.6em 1.2em;
  margin: 0.5em;
  box-shadow: 0 0 5px #00ffcc;
  cursor: pointer;
  font-size: 1em;
}

.modoBtn:hover {
  background-color: #222;
}

.descripcionModo {
  margin-top: 1em;
  font-size: 0.95em;
  color: #0ff;
  line-height: 1.5;
}

/* 📅 Selector de fecha y contenedores */
#selectorContainer,
#bitacora,
#reactor,
#contacto {
  max-width: 900px;
  margin: 2em auto;
  padding: 1em;
  background-color: rgba(0, 0, 0, 0.6);
  border: 1px solid #444;
  border-radius: 8px;
  box-sizing: border-box;
}

#selectorContainer label {
  display: block;
  margin-bottom: 0.5em;
  font-size: 1.3em;
  color: #ffcc00;
  text-shadow: 0 0 5px #00ffcc;
}

#selectorFecha {
  padding: 0.6em;
  background-color: #111;
  color: #00ffcc;
  border: 2px solid #ffcc00;
  border-radius: 6px;
  font-size: 1em;
  box-shadow: 0 0 10px #00ffcc;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  display: block;
  text-align: center;
  white-space: normal;
}

/* 📓 Bitácora */
#bitacora {
  white-space: pre-wrap;
  text-align: left;
  line-height: 1.6;
}

/* ⚡ Reactor */
#reactor {
  white-space: pre-wrap;
  text-align: center;
  line-height: 1.6;
  word-break: keep-word;
}

/* 📡 Contacto */
#contacto {
  text-align: center;
  line-height: 1.8;
}

#contacto a {
  display: block;
  margin: 0.3em 0;
  color: #ffcc00;
  text-decoration: none;
  font-weight: bold;
}

/* 🌠 Fondo estelar */
canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
}

/* 📱 Responsivo */
@media screen and (max-width: 600px) {
  h1 {
    font-size: 2em;
  }

  h2 {
    font-size: 1.2em;
  }

  #countdown {
    font-size: 1.2em;
  }

  .modoBtn {
    display: block;
    width: 90%;
    margin: 0.5em auto;
    font-size: 1em;
  }

  .descripcionModo {
    font-size: 0.9em;
  }

  #selectorContainer,
  #bitacora,
  #reactor,
  #contacto,
  #modoSelector {
    padding: 0.8em;
    font-size: 0.95em;
    margin: 1em auto;
  }

  #selectorFecha {
    font-size: 1em;
    width: 100%;
  }

  #contacto a {
    font-size: 0.95em;
  }
  .retro-sync {
  background-color: #000;
  border: 1px dashed #00ffff;
  padding: 10px;
  margin: 20px 0;
  font-family: 'Courier New', monospace;
  color: #ccc;
  text-align: center;
  font-size: 0.9rem;
}
.f5-alert {
  color: #00ffff;
}

.fin-transmision {
  margin-top: 10px;
  font-style: italic;
  color: #888;
  font-family: 'Courier New', monospace;
}
.mensaje-estelar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: 'Courier New', monospace;
  padding: 10px 20px;
  border: 1px solid #fff;
  border-radius: 8px;
  -webkit-backdrop-filter: blur(4px); /* Safari primero */
  backdrop-filter: blur(4px);         /* Estándar después */
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 9999;
}

.frecuencia-oculta {
  background-color: #0a0a0a;
  border: 1px solid #444;
  padding: 1.5em;
  margin: 2em 0;
  color: #e0e0e0;
  font-family: 'Courier New', Courier, monospace;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.1);
  animation: fadeIn 2s ease-in;
}

.frecuencia-oculta strong {
  color: #ffcc00;
  font-size: 1.1em;
}

.modoIncognito {
  margin-top: 1em;
  font-style: italic;
  color: #ccc;
  line-height: 1.6;
}

.modoIncognito em {
  color: #999;
  font-weight: bold;
}

.ecoEstelar {
  display: block;
  margin-top: 0.5em;
  font-weight: bold;
  color: #ff6666;
  text-shadow: 0 0 8px #ff6666;
  animation: pulse 2s infinite;
}

.fin-transmision {
  margin-top: 2em;
  text-align: center;
  font-size: 0.9em;
  color: #777;
  font-style: italic;
}

@keyframes pulse {
  0% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0.6; transform: scale(1); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}



}