/* ===== Contenedor principal ===== */
h1 {
  font-size: 2rem;
  text-shadow: 0 0 8px #00ff66;
}

.pantalla {
  width: 90%;
  max-width: 900px;
  border: 2px solid #00ff66;
  box-shadow: 0 0 15px #00ff66;
  padding: 20px;
  background: radial-gradient(circle at center, #001800 0%, #000 80%);
  margin: 40px auto;
  display: none;
}

.activa,
:target {
  display: block;
}

.seccion {
  opacity: 0;
  animation: fadeIn 1s ease-in-out forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ===== Cabecera ===== */
.cabecera {
  text-align: center;
}

.subtitulo {
  color: #66ffb3;
  font-size: 0.9rem;
}

/* ===== Enlace de retorno ===== */
.volver {
  display: inline-block;
  text-decoration: none;
  color: #00ff66;
  border: 1px solid #00ff66;
  padding: 6px 10px;
  margin-top: 20px;
  transition: all 0.3s ease;
}

.volver:hover {
  background-color: #00ff66;
  color: #000;
}

/* ===== Pie de página específico ===== */
.pie-seccion {
  margin-top: 25px;
  text-align: center;
}

/* ===== Cursor parpadeante ===== */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.cursor-blink {
  animation: blink 1.5s infinite;
}

/* ===== Tipografía y cuerpo ===== */
body {
  background-color: #000;
  color: #00ff66;
  font-family: 'Courier New', monospace;
  margin: 0;
  padding: 0;
  height: 100vh;
  scroll-behavior: smooth;
}
.editor-contenedor {
  width: 100%;
  border: 2px solid #00ff66;
  border-radius: 4px;
  overflow: hidden;
  box-sizing: border-box;
}

.editor-contenedor textarea {
  display: block;
  width: 100%;
  min-height: 450px;
  box-sizing: border-box;
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  background: #000;
  color: #00ff66;
  border: none;
  outline: none;
  padding: 12px;
  margin: 0;
  resize: vertical;
}