:root{--bg:#f6f7f9;--surface:#fff;--text:#1f2933;--muted:#6b7280;--border:#e3e6ea;--primary:#b4532a;--primary-text:#fff;--error:#b42318;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Noto Sans TC,PingFang TC,sans-serif}*{box-sizing:border-box}body{margin:0}h1,h2,h3{margin:0 0 12px}.muted{color:var(--muted)}.center{text-align:center;margin-top:30vh}.error{color:var(--error)}button{font:inherit;border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:6px;padding:8px 14px}button.primary{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}button:disabled{opacity:.6;cursor:default}input{font:inherit;border:1px solid var(--border);border-radius:6px;width:100%;padding:8px 10px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px}.login{place-items:center;min-height:100vh;padding:16px;display:grid}.login-card{gap:14px;width:min(380px,100%);display:grid}.login-card 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14px;text-decoration:none;display:inline-block}a.button.primary{background:var(--primary);color:var(--primary-text)}.notice-text{color:#8a4b0f;background:#fff4e5;border-radius:8px;padding:10px 12px}.split{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:16px;margin-bottom:16px;display:grid}@media (width<=900px){.split{grid-template-columns:1fr}}tr[class]{cursor:pointer}tbody tr:hover{background:var(--bg);cursor:pointer}tr.selected{background:#fdf0e8}.metrics{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-bottom:16px}.metric{gap:4px;display:grid}.metric strong{font-size:28px}.small{font-size:12px}.row label{flex:160px}.chain{border-left:4px solid var(--border);margin-bottom:16px}.chain.ok{border-left-color:#2f855a}.chain.bad{border-left-color:var(--error)}.hash{word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.split.wide-left{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}@media 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