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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-box {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 40px 30px;
  text-align: center;
}

.logo-container {
  margin-bottom: 20px;
}

.logo {
  max-width: 150px;
  height: auto;
}

h1 {
  color: #c25827;
  margin-bottom: 10px;
  font-size: 24px;
}

p {
  color: #555;
  margin-bottom: 30px;
  font-size: 16px;
  line-height: 1.5;
}

.login-button-container {
  margin-top: 30px;
}

.login-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  color: #444;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s, box-shadow 0.3s;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.login-button:hover {
  background-color: #f9f9f9;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.login-button img {
  width: 20px;
  height: 20px;
  margin-right: 10px;
}

.error-message {
  background-color: #ffebee;
  color: #c62828;
  padding: 15px;
  border-radius: 4px;
  margin: 20px 0;
}

@media (max-width: 480px) {
  .login-box {
    padding: 30px 20px;
  }
  
  .logo {
    max-width: 120px;
  }
  
  h1 {
    font-size: 22px;
  }
  
  p {
    font-size: 14px;
  }
  
  .login-button {
    font-size: 14px;
    padding: 10px 14px;
  }
}