@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Montserrat", sans-serif;
}

body {
  background-color: #f5f7fa;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* Main content */
main {
  width: 100%;
  max-width: 450px;
  background-color: white;
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin: 1rem;
  text-align: center;
}

main img {
  width: 100px;
  height: 100px;
  margin-bottom: 1.5rem;
}

h1 {
  color: #4338ca;
  margin-bottom: 2rem;
  font-weight: 600;
  font-size: 1.75rem;
}

/* Formulario */
form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

label {
  display: block;
  text-align: left;
  font-weight: 500;
  color: #555;
  margin-bottom: 0.5rem;
}

input {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Botón */
.btn {
  background: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
  color: white;
  border: none;
  padding: 1rem;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1rem;
  width: 100%;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Enlaces */
a {
  color: #4338ca;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  display: inline-block;
  margin: 0.5rem 0;
}

a:hover {
  color: #6366f1;
  text-decoration: underline;
}

/* Mensajes de error */
.error-message {
  color: #ef4444;
  font-size: 0.85rem;
  margin-top: -0.5rem;
  text-align: left;
  display: none;
}

/* Footer */
footer {
  margin-top: 2rem;
  text-align: center;
  color: #666;
  font-size: 0.85rem;
  padding: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  main {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }
}