.login-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #f4f6fb 0%, #e8ecf5 100%);
  padding: 1.5rem;
  box-sizing: border-box;
}

.login-card {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(20, 30, 60, 0.12);
  padding: 2.5rem 2.25rem;
  max-width: 380px;
  width: 100%;
  text-align: center;
}

.login-title {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a1f36;
}

.login-subtitle {
  margin: 0 0 1.75rem;
  color: #5a6478;
  font-size: 0.95rem;
  line-height: 1.4;
}

.login-error {
  margin: 0 0 1.25rem;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  background: #fdecea;
  color: #b3261e;
  font-size: 0.9rem;
}

.google-signin-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid #dadce0;
  border-radius: 8px;
  background: #fff;
  color: #3c4043;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  box-sizing: border-box;
  transition: box-shadow 0.15s ease, background-color 0.15s ease;
}

.google-signin-button:hover {
  box-shadow: 0 1px 6px rgba(32, 33, 36, 0.28);
  background: #f8f9fa;
}

.google-signin-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.login-footnote {
  margin: 1.75rem 0 0;
  color: #8a93a6;
  font-size: 0.8rem;
}

@media (prefers-color-scheme: dark) {
  .login-body {
    background: linear-gradient(160deg, #14161f 0%, #1c1f2b 100%);
  }
  .login-card {
    background: #1e2130;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  }
  .login-title {
    color: #f2f3f7;
  }
  .login-subtitle,
  .login-footnote {
    color: #9aa3b8;
  }
  .google-signin-button {
    background: #2a2e40;
    border-color: #3a3f54;
    color: #e8e9ee;
  }
  .google-signin-button:hover {
    background: #333850;
  }
}