body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  background-color: #f4f4f4;
}

header {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 1rem;
}

.signin-wrapper {
  font-family: 'Kanit', sans-serif;
  margin: 0;
  padding: 0;
  height: 100vh;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url('/images/bg-signin-mobile.png');
  background-repeat: repeat;
  background-size: contain;
  background-position: center;
}

.signin-wrapper .signin-frame {
  margin: 16px;
  width: 80%;
  max-width: 480px;
}

.signin-wrapper .signin-frame .signin-company-logo {
  display: flex;
  justify-content: center;
  padding: 0 36px 36px 36px;
}

.signin-wrapper .signin-frame .signin-application-box {
  position: relative;
  padding: 16px;
  background-color: #fff;
  height: 200px;
}

.signin-wrapper .signin-frame .signin-application-box .signin-application-info {
  padding-left: 0.5rem;
}

.signin-wrapper .signin-frame .signin-application-box .signin-application-info .signin-title {
  color: #1b5faa;
  font-size: 1.2rem;
  font-weight: 600;
}

.signin-wrapper .signin-frame .signin-application-box .signin-application-info .signin-subtitle {
  color: #000000;
  font-weight: 600;
}

.signin-wrapper .signin-frame .signin-application-box .signin-application-info .signin-description {
  color: #4a4d51;
  font-weight: 400;
  padding-top: 1rem;
}

.signin-wrapper .signin-frame .signin-application-box .signin-action {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 16px;
}

.signin-wrapper .signin-frame .signin-application-box .signin-action .signin-button {
  width: 100%;
  max-width: 100%;
  height: 52px;
  justify-content: center;
  padding: 0;
  border-radius: 8px;
  font-weight: 600;
  background-color: #1b5faa;
}

.login-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  background-color: #fff;
  color: #1b5faa;
  padding: 10px 20px;
  border: 2px solid #1b5faa;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}

.login-btn {
  background-color: #1b5faa;
  color: #fff;
}

.login-btn:disabled {
  background-color: #cccccc;
  color: #666666;
  cursor: not-allowed;
}

@media screen and (min-width: 768px) {
  .signin-wrapper {
    background-image: url('/images/bg-signin.png');
    background-size: cover;
    background-position: center;
  }

  .signin-wrapper .signin-frame {
    position: absolute;
    right: 8%;
  }
}