/* Fondo general */
body {
  background: linear-gradient(to right, #8e2de2, #4a00e0);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

/* Contenedor principal con animaciones */
.form-container {
  background: #fff;
  padding: 30px 40px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 400px;

  /* Animaciones */
  opacity: 0;
  animation-name: aparecer-desde-abajo, flotar;
  animation-duration: 0.6s, 3s;
  animation-timing-function: ease-out, ease-in-out;
  animation-delay: 0s, 0.6s;
  animation-fill-mode: forwards, none;
  animation-iteration-count: 1, infinite;
}

/* Título */
h1 {
  text-align: center;
  margin-bottom: 25px;
  color: #4a00e0;
}

/* Etiquetas */
label {
  font-weight: bold;
  margin-top: 15px;
  display: block;
  color: #333;
}

/* Campos de entrada */
input, textarea {
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  margin-bottom: 16px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 14px;
  resize: vertical;
}

/* Botón */
button {
  background-color: #4a00e0;
  color: white;
  padding: 12px;
  width: 100%;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #3b00ba;
}

/* Mensaje de confirmación */
#successMessage {
  margin-top: 15px;
  font-weight: bold;
  text-align: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

#successMessage.visible {
  opacity: 1;
}

/* Animación de entrada suave */
@keyframes aparecer-desde-abajo {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animación flotante */
@keyframes flotar {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}