body {
  margin: 0;
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.login-container {
  text-align: center;
}
.login-box {
  background-color: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  width: 360px;
  display: inline-block;
  text-align: left;
}
.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  color: #1877f2;
}
.logo svg {
  margin-right: 10px;
}
.logo h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}
.tagline {
  text-align: center;
  font-size: 16px;
  color: #606770;
  margin-bottom: 25px;
}
.input-group {
  margin-bottom: 15px;
}
.input-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #333;
}
.input-group input {
  width: 100%;
  padding: 12px;
  border: 1px solid #dddfe2;
  border-radius: 6px;
  box-sizing: border-box;
  font-size: 16px;
}
.input-group input:focus {
  border-color: #1877f2;
  outline: none;
  box-shadow: 0 0 0 2px #e7f3ff;
}
.error-message {
  color: #fa383e;
  font-size: 14px;
  height: 20px;
  margin-bottom: 10px;
}
button {
  width: 100%;
  padding: 12px;
  background-color: #1877f2;
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s;
}
button:hover {
  background-color: #166fe5;
}
button:disabled {
  background-color: #a0bdf5;
  cursor: not-allowed;
}
.footer-links {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
}
.footer-links a {
  color: #1877f2;
  text-decoration: none;
}
.footer-links a:hover {
  text-decoration: underline;
}
.footer-links span {
  margin: 0 5px;
  color: #8a8d91;
}
.copyright {
  margin-top: 20px;
  font-size: 12px;
  color: #8a8d91;
}
