body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(145deg, #f2f2f2, #e6ecf3);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background-color: #ffffff;
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  padding: 3rem 2rem;
  max-width: 500px;
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #dedede;
  position: relative;
}

.logo-container {
  text-align: center;
  margin-bottom: 1.8rem;
}

.logo-container img {
  max-width: 110px;
  height: auto;
  filter: grayscale(100%) contrast(110%);
}

h1 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  text-align: center;
  color: #333;
  margin-bottom: 2rem;
}

form label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
  color: #444;
}

form input {
  width: 100%;
  padding: 0.65rem;
  margin-top: 0.3rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}

form input:focus {
  border-color: #004e89;
  outline: none;
}

button {
  margin-top: 2rem;
  width: 100%;
  padding: 0.8rem;
  background-color: #004e89;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #0061ad;
}

/* Responsive */
@media (max-width: 480px) {
  .container {
    padding: 2rem 1.2rem;
  }

  h1 {
    font-size: 1.5rem;
  }
}