.btn-primary-solid { background:var(--color-primary); color:#fff; }
.btn-google { background:#fff; color:#3c4043; border:1px solid #dadce0; display:flex; align-items:center; justify-content:center; gap:10px; }
.auth-divider { text-align:center; margin:16px 0; color:var(--color-body); font-size:13px; }
.qr-frame { border:8px solid #fff; border-radius:8px; box-shadow:0 2px 8px rgba(0,0,0,.1); }
.fs-12-x { font-size:12px; }
.manual-code { font-size:13px; letter-spacing:2px; }
.w-480-x { max-width:480px; }