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

body,
html {
  height: 100%;
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(to bottom right, #aee0f9, #e2f1f8);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 32px;
  border-radius: 16px;
  background-color: rgba(255, 255, 255, 0.85);
  box-shadow: 0 0 16px rgba(0, 0, 0, 0.05);
  text-align: center;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.login-container h1 {
  font-size: 24px;
  color: #1d3557;
  margin-bottom: 12px;
}

.login-container p {
  font-size: 15px;
  color: #457b9d;
  margin-bottom: 24px;
}

.login-container input {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 8px;
  margin-bottom: 16px;
  outline: none;
}

.login-container button {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  background-color: #1d3557;
  color: white;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.login-container button:hover {
  background-color: #163149;
}

.error {
  margin-top: 10px;
  padding: 8px;
  background-color: #ffe0e0;
  color: #b00020;
  border-radius: 8px;
  font-size: 14px;
}

@media (max-width: 480px) {
  .login-container {
    padding: 24px 16px;
    border-radius: 12px;
  }

  .login-container h1 {
    font-size: 20px;
  }

  .login-container p {
    font-size: 14px;
  }

  .login-container input,
  .login-container button {
    font-size: 15px;
    padding: 10px;
  }
}

@media (max-width: 768px) {
  .login-container {
    padding: 28px;
  }

  .login-container h1 {
    font-size: 22px;
  }

  .login-container p {
    font-size: 14.5px;
  }
}

@media (min-width: 1200px) {
  .login-container {
    max-width: 450px;
    padding: 36px;
  }

  .login-container h1 {
    font-size: 26px;
  }

  .login-container p {
    font-size: 16px;
  }
}