@import url('https://fonts.googleapis.com/css2?family=Segoe+UI:wght@400;600;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  color: #f1f5f9;
}

.container {
  background: rgba(30, 41, 59, 0.85);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 40px 30px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  text-align: center;
  animation: fadeIn 0.7s ease-in-out;
}

h2 {
  color: #38bdf8;
  margin-bottom: 25px;
  font-size: 24px;
  font-weight: 600;
  text-shadow: 1px 1px 5px #0f172a;
}

form input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  font-size: 14px;
  transition: background 0.3s ease;
}

form input::placeholder {
  color: #94a3b8;
}

form input:focus {
  background: rgba(255, 255, 255, 0.15);
  outline: none;
}

button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background-color: #2563eb;
  color: white;
  font-weight: 600;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
}

button:hover {
  background-color: #1d4ed8;
}

p {
  margin-top: 15px;
  color: #94a3b8;
  font-size: 14px;
}

/* Animación suave */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media screen and (max-width: 480px) {
  .container {
    padding: 30px 20px;
  }

  h2 {
    font-size: 20px;
  }

  button {
    font-size: 14px;
  }
}