body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
  margin: 0;
}

.contenedor {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
  width: 320px;
  text-align: center;
}

h2 {
  margin-bottom: 20px;
}

input {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border-radius: 5px;
  border: 1px solid #ccc;
  font-size: 14px;
}

.captcha-contenedor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
}

#vericodigovai {
  font-weight: bold;
  background-color: #eee;
  padding: 10px 14px;
  border-radius: 5px;
  min-width: 70px;
  cursor: pointer;
  user-select: none;
  font-size: 16px;
  color: #333;
  transition: background-color 0.2s;
}

#vericodigovai:hover {
  background-color: #ddd;
}

.botones {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 15px;
}

button {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 5px;
  background: steelblue;
  color: white;
  font-size: 14px;
  cursor: pointer;
}

button:hover {
  background: #4682B4;
}