feat: register Shareit IDs with QR

assets/styles.css

@@ -16,3 +16,7 @@
 .history-shortcut{min-height:72px;padding:15px 21px;display:flex;align-items:center;gap:13px;transition:border-color .2s,transform .2s}.history-shortcut:hover{border-color:#9eaff4;transform:translateY(-2px)}.history-shortcut-icon{width:37px;height:37px;border-radius:50%;background:#e5eaff;color:var(--blue-dark);display:grid;place-items:center;font-size:19px}.history-shortcut p{display:flex;flex-direction:column;margin:0}.history-shortcut strong{font-size:12px}.history-shortcut small{font-size:9px;color:var(--muted)}.history-shortcut>b{margin-left:auto;min-width:26px;height:23px;padding:0 7px;border-radius:99px;background:#eaf7c9;color:#58790a;display:grid;place-items:center;font:9px var(--mono)}.history-shortcut>i{font-style:normal;font-size:17px}.history-page-panel{min-height:440px}.history-heading-actions{display:flex;align-items:center;gap:8px}.link-button{display:inline-flex;align-items:center;justify-content:center}.history-toolbar{display:flex;align-items:flex-end;gap:16px;padding:17px 0}.history-toolbar label{width:min(420px,100%)}.history-toolbar label>span{display:block;font-size:9px;font-weight:700;margin-bottom:5px}.history-toolbar>span{margin-left:auto;color:var(--muted);font:9px var(--mono);padding-bottom:12px}.history-empty{height:245px}.history-empty h3{font-size:13px;color:var(--ink);margin:9px 0 1px}.history-empty a{color:var(--blue-dark);font-size:10px}.auth-history-table{min-width:1030px}.auth-history-table th:first-child{width:145px}.auth-history-table th:nth-child(2){width:115px}.auth-history-table th:nth-child(3){width:95px}.auth-history-table th:nth-child(4){width:190px}.record-user{display:inline-block;border-radius:99px;background:#eef0ed;color:#42504b;padding:4px 7px;font:8px var(--mono)}
 @media(max-width:900px){.login-main{grid-template-columns:1fr;gap:34px;padding-block:45px}.login-intro h1{font-size:48px}.login-intro>p:not(.eyebrow){max-width:620px}.login-card{width:min(100%,520px)}.header-user span small{display:none}}
 @media(max-width:620px){.header-user>span{display:none}.header-user{gap:4px}.main-nav{gap:9px}.main-nav a{font-size:9px}.login-main{padding-block:38px}.login-intro h1{font-size:39px}.login-card{padding:22px}.setup-steps{grid-template-columns:1fr}.history-shortcut{padding:13px 15px}.history-shortcut small{display:none}.history-heading-actions{align-items:stretch;flex-direction:column}.history-toolbar{align-items:stretch;flex-direction:column}.history-toolbar>span{margin:0;padding:0}.auth-history-table{min-width:940px}}
+
+/* Shareit ID entry and local QR enrollment */
+.account-form{margin-top:20px}.confirmed-account{display:flex;align-items:center;gap:10px;margin-top:18px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#f6f6f2}.confirmed-account>span{font:8px var(--mono);color:var(--muted)}.confirmed-account>strong{font:12px var(--mono)}.confirmed-account>button{margin-left:auto;border:0;background:transparent;color:var(--blue-dark);font-size:9px}.qr-setup{display:grid;grid-template-columns:190px 1fr;gap:18px;align-items:center;margin:18px 0 22px;padding:17px;border:1px solid var(--line);border-radius:13px;background:#fafaf7}.qr-code{width:190px;min-height:190px;display:grid;place-items:center;background:#fff;border:1px solid #e8eae6;border-radius:10px;overflow:hidden}.qr-code svg{display:block;width:180px;height:180px}.qr-code>span{padding:15px;text-align:center;font-size:9px;color:var(--muted)}.qr-code .qr-error{color:#b74b39}.qr-instructions>b{display:inline-block;border-radius:99px;background:#e5eaff;color:#2d47b3;padding:4px 8px;font-size:8px}.qr-instructions ol{margin:13px 0 0;padding-left:20px}.qr-instructions li{margin:8px 0;font-size:10px;color:#58635f}.header-user>span{font:10px var(--mono);color:var(--ink)}
+@media(max-width:620px){.qr-setup{grid-template-columns:1fr}.qr-code{margin:auto}.confirmed-account{flex-wrap:wrap}}