.sge-auth-card{max-width:640px;margin:20px auto;padding:16px;border-radius:12px;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.sge-tabs{display:flex;gap:8px;margin-bottom:12px}
.sge-tab{flex:1;padding:10px;border:1px solid #e3e3e3;background:#f7f7f7;border-radius:8px;cursor:pointer;text-align:center;font-weight:600}
.sge-tab.active{background:#0073aa;color:#fff;border-color:#0073aa}
.sge-panel.hidden{display:none}
.sge-auth-card .row{margin-bottom:10px}
.sge-auth-card label{display:block;margin-bottom:6px;font-weight:600}
.sge-auth-card input{width:100%;padding:10px;border:1px solid #e3e3e3;border-radius:8px}
.sge-auth-card button{width:100%;padding:12px;border:none;border-radius:8px;background:#0073aa;color:#fff;font-weight:700;cursor:pointer}
.sge-msg{margin-top:10px;padding:10px;border-radius:8px;background:#f7f7f7}
.sge-msg.ok{background:#e8fff1}
.sge-msg.err{background:#ffecec}