:root{--bg: #0b0e14;--panel: #12161f;--panel-2: #171c28;--line: #232a38;--text: #d7dce5;--muted: #7a869a;--bid: #1f9d63;--ask: #d6455b;--accent: #4c9aff;--pos: #34d399;--neg: #f87171;font-family:Nunito,Varela Round,ui-rounded,SF Pro Rounded,Segoe UI,system-ui,sans-serif}.row,.price,.size,.plan,.arb,.cbbo .px,.arb-diag-nums,.route-summary b,.cbbo-spread span{font-variant-numeric:tabular-nums}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:1200px;margin:0 auto;padding:16px}.topbar{display:flex;justify-content:space-between;align-items:center;padding:8px 4px 16px}.brand{font-size:22px;font-weight:700;letter-spacing:-.5px}.brand span{color:var(--accent)}.brand em{display:block;font-size:11px;color:var(--muted);font-style:normal;font-weight:400;margin-top:2px}.topbar-right{display:flex;align-items:center;gap:12px}.status{font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;border:1px solid var(--line);white-space:nowrap}.status-live{color:var(--pos);border-color:var(--pos)}.status-mock{color:var(--accent);border-color:var(--accent)}.status-connecting{color:var(--muted)}.status-disconnected{color:var(--neg);border-color:var(--neg)}.market-select{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.market-select button{background:var(--panel-2);color:var(--muted);border:none;padding:6px 14px;font-family:inherit;font-weight:700;font-size:12px;cursor:pointer;border-left:1px solid var(--line)}.market-select button:first-child{border-left:none}.market-select button.on{background:var(--accent);color:#04101f}.venue-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.venue-pill{display:flex;align-items:center;gap:5px;font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}.venue-pill em{font-style:normal;font-size:10px;letter-spacing:.5px}.venue-pill.up{color:var(--text);border-color:var(--line)}.venue-pill.up em{color:var(--pos)}.venue-pill.down{opacity:.55}.venue-pill.down em{color:var(--muted)}.cbbo{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 20px;margin-bottom:16px}.cbbo-empty{text-align:center;color:var(--muted)}.cbbo-side{display:flex;flex-direction:column}.cbbo-side.ask{align-items:flex-end}.cbbo label,.frag label,.route-summary label{font-size:10px;color:var(--muted);letter-spacing:1px}.cbbo .px{font-size:26px;font-weight:700}.cbbo-side.bid .px{color:var(--bid)}.cbbo-side.ask .px{color:var(--ask)}.cbbo .venue{font-size:11px}.cbbo-spread{display:flex;flex-direction:column;align-items:center;justify-content:center}.cbbo-spread span{font-size:16px;font-weight:700}.cbbo-spread .neg{color:var(--neg)}.grid{display:grid;grid-template-columns:1.15fr 1fr;gap:16px;align-items:start}.col{display:flex;flex-direction:column;gap:16px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.panel h2{margin:0 0 12px;font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.panel h2 small{text-transform:none;letter-spacing:0;color:var(--line);font-size:10px}.loading,.arb-empty,.cbbo-empty{color:var(--muted);font-size:12px;padding:8px 0}.book-head{display:grid;grid-template-columns:70px 70px 1fr;font-size:10px;color:var(--muted);padding-bottom:6px}.row{display:grid;grid-template-columns:70px 70px 1fr;align-items:center;height:20px;font-size:12px}.row .price{font-variant-numeric:tabular-nums}.row.ask .price{color:var(--ask)}.row.bid .price{color:var(--bid)}.row .size{color:var(--muted);font-variant-numeric:tabular-nums}.bar-track{height:12px}.bar{display:flex;height:100%;border-radius:2px;overflow:hidden;transition:width .3s ease}.seg{height:100%}.book-mid{height:1px;background:var(--line);margin:6px 0}.legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.chip{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted)}.chip i,.dot{width:9px;height:9px;border-radius:2px;display:inline-block}.dot{margin-right:6px}.frag-row,.frag-gap{display:flex;justify-content:space-between;padding:7px 0;font-size:13px;border-bottom:1px solid var(--line)}.frag-gap{border-bottom:none;font-size:15px;padding-top:12px}.frag b.good,.frag-gap b{color:var(--pos)}.frag em{color:var(--muted);font-style:normal}.route-controls{display:flex;gap:12px;align-items:center;margin-bottom:14px}.seg-toggle{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg-toggle button{background:var(--panel-2);color:var(--muted);border:none;padding:8px 16px;font-family:inherit;font-weight:700;cursor:pointer}.seg-toggle button.on{background:var(--accent);color:#04101f}.size-input{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.size-input input{background:var(--panel-2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 10px;width:90px;font-family:inherit;font-size:14px}.split-bar{display:flex;height:30px;border-radius:6px;overflow:hidden;margin-bottom:12px}.split-seg{display:flex;align-items:center;justify-content:center;font-size:10px;color:#04101f;font-weight:700;overflow:hidden;white-space:nowrap;transition:width .3s ease}.plan{width:100%;font-size:12px;border-collapse:collapse;margin-bottom:12px}.plan td{padding:4px 0;color:var(--text)}.plan td:nth-child(2),.plan td:nth-child(3),.plan td:nth-child(4){text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}.route-summary{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;padding-top:12px;border-top:1px solid var(--line)}.route-summary b{display:block;font-size:15px;font-variant-numeric:tabular-nums}.savings.pos b{color:var(--pos)}.savings.neg b{color:var(--neg)}.warn{margin-top:10px;color:var(--neg);font-size:11px}.arb{width:100%;font-size:12px;border-collapse:collapse}.arb th{text-align:left;color:var(--muted);font-weight:400;font-size:10px;padding-bottom:6px}.arb td{padding:5px 0;border-top:1px solid var(--line)}.arb td.pos,.pos{color:var(--pos)}.arb td:nth-child(3),.arb td:nth-child(4),.arb td:nth-child(5){text-align:right;font-variant-numeric:tabular-nums}.arb-diag{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.arb-diag-pair{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}.arb-diag-pair span{color:var(--text);display:flex;align-items:center}.arb-diag-pair .dot{margin:0 4px 0 8px}.arb-diag-nums{display:flex;gap:10px;align-items:baseline;margin-top:8px;font-size:13px;font-variant-numeric:tabular-nums}.arb-diag-nums .muted{color:var(--muted);font-size:11px}.arb-diag-nums .neg{color:var(--neg)}.sk{display:inline-block;background:linear-gradient(90deg,var(--panel-2) 25%,#1e2534 37%,var(--panel-2) 63%);background-size:400% 100%;animation:sk-shimmer 1.3s ease-in-out infinite;border-radius:4px}@keyframes sk-shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}.plan-sk-row,.arb-sk-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0}.arb-sk-row{border-top:1px solid var(--line)}.arb-sk-row:first-child{border-top:none}.footer{text-align:center;color:var(--muted);font-size:11px;margin-top:20px;padding:12px;border-top:1px solid var(--line)}@media (max-width: 900px){.grid{grid-template-columns:1fr}}