:root{--bg: #0f1419;--panel: #1a2029;--line: #2a3340;--text: #e6edf3;--muted: #8b98a8;--up: #22c55e;--down: #ef4444;--accent: #f0a83c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.page{max-width:1000px;margin:0 auto;padding:16px}.topbar{display:flex;align-items:baseline;justify-content:space-between}.topbar h1{font-size:20px;margin:0}.user{color:var(--muted);font-size:13px}.banner.error{background:#ef444426;color:#fca5a5;padding:8px 12px;border-radius:8px;margin:10px 0;font-size:13px}.health{display:flex;gap:18px;align-items:center;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:14px 0;font-size:14px}.health span{color:var(--muted)}.health strong{color:var(--text)}.feed-dot{width:10px;height:10px;border-radius:50%}.feed-dot.on{background:var(--up);box-shadow:0 0 8px var(--up)}.feed-dot.off{background:var(--muted)}.actions{margin-left:auto;display:flex;gap:8px}.actions button{background:var(--accent);color:#1a1a1a;border:none;border-radius:6px;padding:6px 12px;font-weight:600;cursor:pointer}.actions button:disabled{opacity:.4;cursor:not-allowed}.actions button.danger{background:#b91c1c;color:#fff}.actions button.continuous{background:#1f2937;color:#e5e7eb;border:1px solid var(--line)}.actions button.continuous.on{background:#15803d;color:#fff;border-color:#15803d}table.instruments{width:100%;border-collapse:collapse;font-size:14px}table.instruments th,table.instruments td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}table.instruments th{color:var(--muted);font-weight:500;font-size:12px}td.num{text-align:right;font-variant-numeric:tabular-nums}td .desc{display:block;color:var(--muted);font-size:11px}.up{color:var(--up)}.down{color:var(--down)}.empty{text-align:center;color:var(--muted);padding:24px}.foot{color:var(--muted);font-size:12px;margin-top:16px;text-align:center}.section-title{font-size:14px;color:var(--text);margin:20px 0 6px;border-bottom:1px solid var(--line);padding-bottom:4px}.chart-row{display:flex;gap:12px;align-items:stretch}.chart-col{flex:1;min-width:0}.book{width:230px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px;font-size:12px}.book-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}.book-imb{font-size:11px}.book-side{display:flex;flex-direction:column}.book-side.asks{justify-content:flex-end}.book-row{position:relative;display:flex;justify-content:space-between;padding:1px 4px;font-variant-numeric:tabular-nums}.book-bar{position:absolute;right:0;top:0;bottom:0;opacity:.18;border-radius:2px}.book-bar.bid{background:var(--up)}.book-bar.ask{background:var(--down)}.book-px{position:relative;z-index:1}.book-sz{position:relative;z-index:1;color:var(--muted)}.book .empty{padding:10px}.badge-live{background:#b91c1c;color:#fff;font-size:11px;padding:1px 6px;border-radius:4px}.badge-busted{background:#c2410c;color:#fff;font-size:11px;padding:1px 6px;border-radius:4px;margin-left:6px;font-weight:700}.badge-drift{background:#ca8a04;color:#1a1a1a;font-size:11px;padding:1px 6px;border-radius:4px;margin-left:6px;font-weight:700}.actions label.mm-variant{font-size:12px;color:#e5e7eb;display:inline-flex;align-items:center}.actions label.mm-variant select{background:#1f2937;color:#e5e7eb;border:1px solid var(--line);border-radius:6px;padding:3px 6px;font-size:12px}table.instruments td button{background:var(--accent);color:#1a1a1a;border:none;border-radius:6px;padding:3px 8px;cursor:pointer;font-size:12px}table.instruments td button.danger{background:#b91c1c;color:#fff}td.sim-actions{display:flex;gap:6px;flex-wrap:wrap}table.instruments td button:disabled{opacity:.4;cursor:not-allowed}table.instruments tr.clickable{cursor:pointer}table.instruments tr.clickable:hover td{background:#f0a83c0f}table.instruments tr.selected td{background:#f0a83c1f}.chart{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;margin:12px 0}.chart-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.chart-last{color:var(--accent);font-variant-numeric:tabular-nums;margin-left:8px}.chart-tf{display:flex;gap:6px}.chart-tf button{background:var(--bg);color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:4px 10px;cursor:pointer;font-size:12px}.chart-tf button.active{background:var(--accent);color:#1a1a1a;border-color:var(--accent)}.chart-close{color:var(--muted)}.chart-body{height:340px}.chart-foot{color:var(--muted);font-size:11px;margin-top:6px;text-align:center}