body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(145deg, #fdfcff, #eceaf8);
  color: #444;
  text-align: center;
  padding: 40px;
}

.logo {
  max-width: 220px;
  margin-bottom: 30px;
}

form {
  display: inline-block;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 8px rgba(0,0,0,0.08);
  text-align: left;
}

label {
  display: block;
  margin: 12px 0 5px;
}

.campo {
  width: 100%;
  padding: 8px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
  box-sizing: border-box;
}

button {
  padding: 10px 20px;
  background: #6A5ACD;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #483D8B;
}

.error {
  color: red;
  margin-top: 10px;
}

footer {
  margin-top: 60px;
  font-size: 14px;
}

footer a {
  color: #6A5ACD;
  text-decoration: none;
}

input[type="file"] {
  width: 100%;
  padding: 8px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
  box-sizing: border-box;
}

.formulario {
  width: 300px;
  margin: auto;
  padding: 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 0 8px rgba(0,0,0,0.08);
  text-align: left;
}