.sso-buttons { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.sso-btn { display: flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.625rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); cursor: pointer; font-size: 0.875rem; font-weight: 500; transition: background 0.2s; text-decoration: none; color: inherit; width: 100%; }
.sso-btn:hover { background: var(--color-bg); }
.sso-btn.google { border-color: #ea4335; color: #ea4335; }
.sso-btn.github { border-color: #333; color: #333; }
[data-theme="dark"] .sso-btn.github { border-color: #888; color: #fff; }
.sso-btn svg { width: 18px; height: 18px; }