body {
  margin: 0;
  padding: 40px 16px;
  background: #f9f9f9;
  font-family: Arial, sans-serif;
}
.login-container {
  max-width: 650px;
  margin: 0 auto;
}
.social-login-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}
.social-login-buttons a,
.social-login-buttons button {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  padding: 12px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
  width: 100%;
  box-sizing: border-box;
  border: none;
  cursor: pointer;
}
.social-login-buttons i {
  margin-right: 12px;
  font-size: 20px;
  width: 24px;
  text-align: center;
}
.social-login-buttons a.google {
  background: #ffffff;
  color: #333;
  border: 1px solid #ccc;
}
.social-login-buttons a.google i { color: #4285f4; }
.social-login-buttons a.line { background: #06c755; color: #fff; }
.social-login-buttons a.facebook { background: #4267B2; color: #fff; }
.social-login-buttons a.apple { background: #000000; color: #fff; }
.social-login-buttons a.microsoft { background: #2f2f2f; color: #fff; }
.social-login-buttons a.yahoo { background: #720e9e; color: #fff; }
.divider-text {
  margin: 32px 0 16px;
  text-align: center;
  color: #999;
  font-size: 14px;
}
.form-login-fields {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.form-login-fields input[type="text"],
.form-login-fields input[type="password"] {
  flex: 1 1 calc(50% - 6px);
  padding: 12px 18px;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid #ccc;
  box-sizing: border-box;
  font-weight: bold;
  color: #333;
}
.form-login-fields .password-container {
  position: relative;
  width: 100%;
}
.form-login-fields .password-container input {
  width: 100%;
  padding-right: 40px;
}
.form-login-fields .password-container i {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  cursor: pointer;
}
.form-login-fields .login-submit-button {
  flex: 1 1 100%;
  margin-top: 8px;
}
.form-footer-links {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 12px;
  font-size: 14px;
  gap: 8px;
}
.form-footer-links a {
  color: #0077cc;
  text-decoration: none;
  padding: 4px 8px;
}
@media (max-width: 600px) {
  .form-login-fields {
    flex-direction: column;
  }
}
@media (prefers-color-scheme: dark) {
  body {
    background: #1e1e1e;
    color: #f0f0f0;
  }
  .form-login-fields input {
    background: #2c2c2c;
    color: #f9f9f9;
    border: 1px solid #555;
  }
  .social-login-buttons button {
    background: #888;
  }
}