body {
  margin: 0;
  padding: 0;
  height: 100vh;
  background: radial-gradient(circle at top left, #ffd6e0, #ffe8f0);
  font-family: 'Arial', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cajafuera {
  width: 90vw;
  max-width: 600px;
  height: auto;
  padding: 2rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  box-shadow: 0 0 40px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.cajafuera:hover {
  transform: scale(1.01);
}

.formulariocaja {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid #F868AB;
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.1);
}

.logoformulario img {
  width: 120px;
  margin-bottom: 0.5em;
}

.logoformulario h1 {
  color: #F868AB;
  margin: 0;
  font-size: 1.8em;
}

.logoformulario h2 {
  color: #554444;
  margin: 0.3em 0 1em;
  font-size: 1.1em;
}

.formtitulo {
  font-size: 2rem;
  color: #F868AB;
  margin-bottom: 1.5rem;
  font-weight: bold;
}

.textoscajas {
  text-align: left;
  font-weight: bold;
  margin: 0.5em 0;
  color: #fff;
}

.cajaentradatexto {
  width: 100%;
  padding: 12px;
  font-size: 1em;
  border-radius: 10px;
  border: none;
  background: rgba(255, 255, 255, 0.4);
  color: #333;
  font-weight: bold;
  margin-bottom: 1rem;
}

.cajaentradatexto::placeholder {
  color: #888;
}

#btnLogin {
  background: #F868AB;
  color: white;
  padding: 12px;
  width: 100%;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

#btnLogin:hover {
  background: #e35b94;
}

.copyright-text {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: #888;
}