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20px}.btc-mempool-spin{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--line-2);border-top-color:var(--accent);animation:btc-mempool-rot .9s linear infinite}@keyframes btc-mempool-rot{to{transform:rotate(360deg)}}.btc-mempool-err{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:30px 20px;text-align:center}.btc-mempool-err>div{color:var(--down);font-size:14px;letter-spacing:.04em}.btc-mempool-err span{font-size:10px;color:var(--text-faint);max-width:32ch}.btc-mempool-err button,.btc-mempool-down{font-family:var(--mono)}.btc-mempool-err button{margin-top:4px;padding:8px 18px;font-size:10px;letter-spacing:.12em;color:var(--accent);background:transparent;border:1px solid var(--accent);border-radius:3px;cursor:pointer;text-transform:uppercase;transition:background .15s}.btc-mempool-err button:hover{background:#ffb4541f}.btc-mempool-err button:focus-visible,.btc-mempool-block:focus-visible{outline:2px solid 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1fr;gap:14px;min-height:0}.btc-mempool-bars{display:flex;align-items:flex-end;gap:5px;height:168px;padding-top:6px}.btc-mempool-bar-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;min-width:0}.btc-mempool-bar-track{flex:1;width:100%;display:flex;align-items:flex-end;min-height:0}.btc-mempool-bar{width:100%;border-radius:2px 2px 0 0;min-height:0;transition:height .4s ease}.btc-mempool-bar-label{margin-top:6px;font-size:7.5px;letter-spacing:.02em;color:var(--text-faint);white-space:nowrap;transform:rotate(-30deg);transform-origin:center}.btc-mempool-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.btc-mempool-stat{background:var(--ink);border:1px solid var(--line);border-radius:4px;padding:11px 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