.msal-signin-btn{background:var(--arca-orange,#f58422);color:#fff;width:100%;font-family:var(--font-ui,"Segoe UI", system-ui, sans-serif);letter-spacing:.01em;cursor:pointer;box-shadow:0 2px 8px var(--arca-orange-glow-sm),0 1px 2px var(--arca-orange-glow-sm);border:none;border-radius:8px;justify-content:center;align-items:center;gap:12px;padding:15px 20px;font-size:15px;font-weight:500;transition:background .18s,box-shadow .18s,transform .12s;display:flex}.msal-signin-btn:hover:not(:disabled){background:var(--arca-orange-dark,#d46e18);box-shadow:0 6px 20px var(--arca-orange-glow-lg),0 2px 4px var(--arca-orange-glow-sm);transform:translateY(-1px)}.msal-signin-btn:active:not(:disabled){box-shadow:0 1px 4px var(--arca-orange-glow-sm);transform:translateY(0)}.msal-signin-btn:disabled{cursor:not-allowed;opacity:.6}.msal-signin-btn__icon{flex-shrink:0;align-items:center;display:flex}.msal-signin-btn__spinner{border:2px solid #ffffff47;border-top-color:#fff;border-radius:50%;flex-shrink:0;width:18px;height:18px;animation:.65s linear infinite msal-spin}@keyframes msal-spin{to{transform:rotate(360deg)}}