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.12s,background .12s;display:inline-flex}.sync-btn:hover:not(:disabled){background:var(--surface-2)}.sync-btn:disabled{cursor:progress;color:var(--ink-2)}.sync-btn.is-error{border-color:var(--sleep-awake);color:var(--sleep-awake)}.sync-icon{font-size:14px;line-height:1;display:inline-block}.sync-btn.is-busy .sync-icon{animation:.9s linear infinite sync-spin}.sync-msg{color:var(--muted);font-size:11px}.sync-btn.is-error .sync-msg{color:var(--sleep-awake)}@keyframes sync-spin{to{transform:rotate(360deg)}}.sync-wrap{position:relative}.sync-split{display:inline-flex}.sync-split .sync-btn{border-top-right-radius:0;border-bottom-right-radius:0}.sync-caret{background:var(--surface);border:1px solid var(--border-strong);color:var(--ink-2);cursor:pointer;border-left:none;border-radius:0 9px 9px 0;justify-content:center;align-items:center;width:26px;font-size:11px;transition:border-color .12s,background .12s,color .12s;display:inline-flex}.sync-caret:hover:not(:disabled){background:var(--surface-2);color:var(--ink)}.sync-caret:disabled{cursor:progress;color:var(--muted)}.sync-caret.is-error{border-color:var(--sleep-awake);color:var(--sleep-awake)}.sync-backdrop{z-index:40;position:fixed;inset:0}.sync-menu{z-index:41;background:var(--surface);border:1px solid var(--border-strong);border-radius:10px;flex-direction:column;gap:2px;min-width:232px;padding:6px;display:flex;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 10px 30px #00000047}.sync-mi{text-align:left;width:100%;color:var(--ink);cursor:pointer;background:0 0;border:none;border-radius:7px;flex-direction:column;align-items:flex-start;gap:2px;padding:8px 9px;font-size:12px;display:flex}.sync-mi:hover{background:var(--surface-2)}.sync-mi-sub{color:var(--muted);font-size:10.5px}.sync-mi-sep{background:var(--border);height:1px;margin:3px 2px}.sync-mi-custom{flex-direction:column;gap:6px;padding:6px 9px 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.brand-sub{color:var(--muted);margin-bottom:16px;font-size:12px}.login-form{flex-direction:column;gap:10px;width:100%;display:flex}.login-input{border:1px solid var(--border-strong);background:var(--surface-2);color:var(--ink);text-align:center;border-radius:11px;padding:11px 13px;font-size:13px}.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.login-btn{background:var(--accent);color:#fff;cursor:pointer;transition:filter .15s var(--ease);border:none;border-radius:11px;padding:11px 13px;font-size:13px;font-weight:600}.login-btn:hover:not(:disabled){filter:brightness(1.08)}.login-btn:disabled{opacity:.6;cursor:default}.login-err{color:var(--hr);font-size:11.5px}.login-msg{color:var(--ink-2);margin-top:6px;font-size:13px;line-height:1.55}.signout{border:1px solid var(--border-strong);color:var(--muted);cursor:pointer;transition:color .12s var(--ease), border-color .12s var(--ease);background:0 0;border-radius:9px;padding:6px 12px;font-size:11.5px}.signout:hover{color:var(--ink);border-color:var(--ink-2)}.app-head-right{align-items:center;gap:12px;display:flex}.theme-toggle{border:1px solid var(--border-strong);background:var(--surface);border-radius:999px;gap:2px;padding:2px;display:inline-flex}.theme-opt{cursor:pointer;color:var(--muted);font-size:11.5px;font-family:var(--font-mono);transition:color .15s var(--ease), background .15s var(--ease);background:0 0;border:none;border-radius:999px;align-items:center;gap:5px;padding:5px 11px;display:inline-flex}.theme-glyph{font-size:12px;line-height:1}.theme-opt.is-on{background:var(--accent-soft);color:var(--accent)}.theme-opt:hover:not(.is-on){color:var(--ink-2)}.login-toggle{z-index:5;position:fixed;top:16px;right:16px}@media (width<=560px){.theme-label{display:none}.theme-opt{padding:6px 8px}}