.arena{max-width:1180px;margin:0 auto;padding:clamp(1rem,3vw,2.2rem) clamp(.9rem,3vw,1.6rem) 5rem;min-height:70vh;font-family:var(--font-body);color:var(--ink)}.arena h1,.arena h2,.arena h3,.arena h4{font-family:var(--font-display);color:var(--ink-bright)}.arena-hero{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-md);margin-bottom:var(--space-lg)}.arena-hero h1{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.05;letter-spacing:-.02em;margin:0 0 .35rem}.arena-hero .lede{color:var(--ink-dim);max-width:56ch;margin:0;font-size:var(--text-ui);line-height:1.5}.arena-hero .hero-actions{display:flex;gap:var(--space-sm);flex-wrap:wrap}.btn{appearance:none;border:1px solid var(--stroke);background:var(--surface-2);color:var(--ink);font-family:var(--font-body);font-size:var(--text-md);font-weight:var(--weight-semibold);padding:.55rem .95rem;border-radius:var(--radius-md);cursor:pointer;display:inline-flex;align-items:center;gap:.45rem;transition:background var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),transform var(--duration-instant) var(--ease-standard);text-decoration:none;white-space:nowrap}.btn:hover{background:var(--surface-3);border-color:var(--stroke-strong)}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:var(--focus-ring-offset)}.btn-primary{background:var(--accent);color:var(--btn-primary-fg, var(--bg-0));border-color:var(--accent)}.btn-primary:hover{background:var(--btn-primary-bg-hover, #ffffff);filter:brightness(1.02)}.btn-primary:disabled,.btn:disabled{opacity:var(--disabled-opacity);cursor:var(--disabled-cursor)}.btn-ghost{background:transparent}.arena-tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--stroke);margin-bottom:var(--space-md);overflow-x:auto;scrollbar-width:none}.arena-tabs::-webkit-scrollbar{display:none}.arena-tab{appearance:none;background:none;border:none;color:var(--ink-dim);font-family:var(--font-body);font-size:var(--text-ui);font-weight:var(--weight-semibold);padding:.6rem .9rem;cursor:pointer;position:relative;border-bottom:2px solid transparent;white-space:nowrap;transition:color var(--duration-fast) var(--ease-standard)}.arena-tab:hover{color:var(--ink-bright)}.arena-tab:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:-2px;border-radius:var(--radius-sm)}.arena-tab[aria-selected=true]{color:var(--ink-bright);border-bottom-color:var(--accent)}.arena-tab .count{font-family:var(--font-mono);font-size:var(--text-2xs);color:var(--ink-faint);margin-left:.3rem}.tourn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-md)}.tourn-card{border:1px solid var(--stroke);background:var(--surface-1);border-radius:var(--radius-lg);padding:1.1rem;display:flex;flex-direction:column;gap:.7rem;cursor:pointer;transition:border-color var(--duration-base) var(--ease-standard),transform var(--duration-base) var(--ease-standard),box-shadow var(--duration-base) var(--ease-standard),background var(--duration-base) var(--ease-standard);text-align:left;color:inherit;font:inherit}.tourn-card:hover{border-color:var(--stroke-strong);background:var(--surface-2);transform:translateY(-2px);box-shadow:var(--shadow-2)}.tourn-card:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:var(--focus-ring-offset)}.tourn-card .card-top{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.tourn-card h3{margin:0;font-size:var(--text-lg);line-height:1.2;letter-spacing:-.01em}.tourn-card .desc{color:var(--ink-dim);font-size:var(--text-md);line-height:1.45;margin:0;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tourn-card .card-meta{display:flex;flex-wrap:wrap;gap:.4rem .9rem;margin-top:auto;font-size:var(--text-sm);color:var(--ink-dim)}.tourn-card .card-meta b{color:var(--ink-bright);font-weight:var(--weight-semibold);font-variant-numeric:tabular-nums}.badge{display:inline-flex;align-items:center;gap:.3rem;font-family:var(--font-mono);font-size:var(--text-2xs);font-weight:var(--weight-bold);letter-spacing:.04em;text-transform:uppercase;padding:.2rem .5rem;border-radius:var(--radius-pill);border:1px solid var(--stroke);color:var(--ink-dim);white-space:nowrap}.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor}.badge-live{color:var(--success);border-color:color-mix(in srgb,var(--success) 40%,transparent);background:color-mix(in srgb,var(--success) 12%,transparent)}.badge-live .dot{animation:arena-pulse 1.4s ease-in-out infinite}.badge-upcoming{color:var(--ink-bright);border-color:var(--stroke-strong)}.badge-finished{color:var(--ink-faint)}.badge-practice{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,transparent)}.badge-verified{color:var(--success);border-color:color-mix(in srgb,var(--success) 40%,transparent)}.badge-warn{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,transparent)}@keyframes arena-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.prize-chip{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--font-mono);font-weight:var(--weight-bold);color:var(--ink-bright);background:linear-gradient(120deg,rgba(var(--gold-rgb),.22),rgba(var(--gold-rgb),.08));border:1px solid rgba(var(--gold-rgb),.35);padding:.22rem .55rem;border-radius:var(--radius-pill);font-size:var(--text-sm)}.arena-back{background:none;border:none;color:var(--ink-dim);font-family:var(--font-body);font-size:var(--text-md);cursor:pointer;padding:.3rem .2rem;margin-bottom:.8rem;display:inline-flex;align-items:center;gap:.35rem;border-radius:var(--radius-sm);transition:color var(--duration-fast) var(--ease-standard)}.arena-back:hover{color:var(--ink-bright)}.arena-back:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:var(--focus-ring-offset)}.detail-head{display:grid;grid-template-columns:1fr;gap:var(--space-md);margin-bottom:var(--space-lg)}.detail-head .title-row{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem}.detail-head h1{margin:0;font-size:clamp(1.5rem,3.5vw,2.2rem);letter-spacing:-.02em}.detail-head .desc{color:var(--ink-dim);margin:0;max-width:70ch;line-height:1.5}.detail-stats{display:flex;flex-wrap:wrap;gap:.5rem 1.6rem}.stat{display:flex;flex-direction:column;gap:.15rem}.stat .k{font-family:var(--font-mono);font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint)}.stat .v{font-family:var(--font-mono);font-size:var(--text-base);font-weight:var(--weight-bold);color:var(--ink-bright);font-variant-numeric:tabular-nums}.countdown{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.detail-body{display:grid;grid-template-columns:320px 1fr;gap:var(--space-lg);align-items:start}.detail-aside{display:flex;flex-direction:column;gap:var(--space-md)}@media(max-width:860px){.detail-body{grid-template-columns:1fr}.spotlight{position:static}.spotlight agent-3d,.spotlight .spot-fallback{height:220px}}.spotlight{border:1px solid var(--stroke);border-radius:var(--radius-lg);background:radial-gradient(120% 80% at 50% 0%,var(--surface-2),var(--surface-1));padding:1rem;display:flex;flex-direction:column;gap:.6rem}.spotlight .crown{font-family:var(--font-mono);font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:.08em;color:var(--warn);font-weight:var(--weight-bold)}.spotlight agent-3d,.spotlight .spot-fallback{width:100%;height:280px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-0);display:block}.spotlight .spot-fallback{display:flex;align-items:center;justify-content:center;color:var(--ink-faint);font-family:var(--font-display);font-size:var(--text-xl);font-weight:var(--weight-bold)}.spotlight .spot-fallback img{width:100%;height:100%;object-fit:cover}.spotlight .spot-name{font-weight:var(--weight-bold);font-size:var(--text-base);color:var(--ink-bright);display:flex;align-items:center;gap:.4rem}.spotlight .spot-metric{color:var(--ink-dim);font-family:var(--font-mono);font-size:var(--text-md);font-variant-numeric:tabular-nums}.board{display:flex;flex-direction:column;gap:.4rem;position:relative}.board-head,.row{display:grid;grid-template-columns:2.2rem 1fr 5.5rem 5rem 4rem;align-items:center;gap:.6rem}.board-head{padding:0 .8rem .4rem;font-family:var(--font-mono);font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint)}.board-head .num,.row .num{text-align:right;font-variant-numeric:tabular-nums}.row{border:1px solid var(--stroke);background:var(--surface-1);border-radius:var(--radius-md);padding:.6rem .8rem;transition:transform .45s cubic-bezier(.2,.9,.25,1),border-color var(--duration-base) var(--ease-standard),background var(--duration-base) var(--ease-standard);cursor:pointer}.row:hover{border-color:var(--stroke-strong);background:var(--surface-2)}.row:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:1px}.row.rank-1{border-color:rgba(var(--gold-rgb),.45);background:linear-gradient(90deg,rgba(var(--gold-rgb),.08),var(--surface-1))}.row.flash{animation:arena-flash .7s ease}@keyframes arena-flash{0%{background:color-mix(in srgb,var(--success) 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.score{font-family:var(--font-mono);font-weight:var(--weight-bold);color:var(--ink-bright);font-variant-numeric:tabular-nums;text-align:right}.row .num{font-family:var(--font-mono)}.row .pnl-pos{color:var(--success)}.row .pnl-neg{color:var(--danger)}.row .prize{text-align:right;font-family:var(--font-mono);font-size:var(--text-sm);color:var(--warn);font-weight:var(--weight-bold);font-variant-numeric:tabular-nums}.row .mini-badge{font-size:.6rem;padding:.05rem .3rem}.row-proof{grid-column:1 / -1;margin-top:.5rem;padding-top:.5rem;border-top:1px dashed var(--stroke);display:flex;flex-wrap:wrap;gap:.4rem}.proof-pill{font-family:var(--font-mono);font-size:var(--text-2xs);border:1px solid var(--stroke);border-radius:var(--radius-pill);padding:.18rem .5rem;color:var(--ink-dim);text-decoration:none;display:inline-flex;gap:.3rem;font-variant-numeric:tabular-nums;transition:border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.proof-pill:hover{border-color:var(--stroke-strong);color:var(--ink-bright)}.ticker{margin-top:var(--space-lg);border:1px solid var(--stroke);border-radius:var(--radius-md);background:var(--surface-1);overflow:hidden}.ticker h4{margin:0;padding:.6rem .8rem;font-family:var(--font-mono);font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);border-bottom:1px solid var(--stroke)}.ticker-list{display:flex;flex-direction:column;max-height:240px;overflow-y:auto}.ticker-item{display:flex;align-items:center;gap:.6rem;padding:.45rem .8rem;font-size:var(--text-sm);border-bottom:1px solid var(--stroke);font-variant-numeric:tabular-nums;transition:background var(--duration-fast) var(--ease-standard)}.ticker-item:hover{background:var(--surface-1)}.ticker-item:last-child{border-bottom:none}.ticker-item .tk-agent{font-weight:var(--weight-semibold);color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ticker-item .tk-mint{color:var(--ink-faint);font-family:var(--font-mono)}.ticker-item .tk-pnl{margin-left:auto;font-family:var(--font-mono);font-weight:var(--weight-bold)}.results-banner{border:1px solid var(--stroke);border-radius:var(--radius-md);padding:.9rem 1rem;background:var(--surface-1);display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;margin-bottom:var(--space-md)}.results-banner .att-link{color:var(--ink-bright);font-weight:var(--weight-semibold);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--stroke-strong);transition:text-decoration-color var(--duration-fast) var(--ease-standard)}.results-banner .att-link:hover{text-decoration-color:var(--accent)}.settle-note{font-size:var(--text-sm);color:var(--ink-dim)}.settle-note code{font-family:var(--font-mono);background:var(--surface-3);padding:.05rem .3rem;border-radius:var(--radius-sm);font-size:.92em}.skeleton{background:linear-gradient(90deg,var(--surface-1) 25%,var(--surface-2) 50%,var(--surface-1) 75%);background-size:200% 100%;animation:arena-shimmer 1.4s ease infinite;border-radius:var(--radius-md)}@keyframes arena-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.sk-card{height:168px}.state{text-align:center;padding:clamp(2rem,8vw,4.5rem) 1rem;border:1px dashed var(--stroke);border-radius:var(--radius-lg);color:var(--ink-dim)}.state h3{margin:0 0 .4rem;color:var(--ink-bright);font-size:var(--text-lg)}.state p{margin:0 auto 1rem;max-width:46ch;line-height:1.5;font-size:var(--text-md)}.state-icon{font-size:2.4rem;line-height:1;margin-bottom:.7rem}.state-actions{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}#nf-suggest{margin-top:var(--space-lg)}.nf-h{font-size:var(--text-lg);letter-spacing:-.01em;margin:0 0 var(--space-md);color:var(--ink-dim)}.arena-hero-stats{margin-top:var(--space-md);gap:.4rem 1.4rem}.arena-hero-stats:empty{display:none;margin-top:0}.panel{border:1px solid var(--stroke);background:var(--surface-1);border-radius:var(--radius-lg);padding:1rem;display:flex;flex-direction:column;gap:.75rem}.panel-h{margin:0;font-family:var(--font-mono);font-size:var(--text-2xs);font-weight:var(--weight-bold);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint)}.panel-note{margin:0;font-size:var(--text-sm);line-height:1.5;color:var(--ink-dim)}.pl-rows{display:flex;flex-direction:column;gap:.35rem}.pl-row{display:flex;align-items:center;gap:.5rem;padding:.4rem .55rem;border:1px solid var(--stroke);border-radius:var(--radius-sm);background:var(--surface-1)}.pl-row.pl-filled{border-color:rgba(var(--gold-rgb),.3);background:linear-gradient(90deg,rgba(var(--gold-rgb),.07),var(--surface-1))}.pl-place{width:1.4rem;text-align:center;font-size:var(--text-base);line-height:1;flex-shrink:0}.pl-who{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--ink-dim)}.pl-filled .pl-who{color:var(--ink-bright)}.pl-pct{font-family:var(--font-mono);font-size:var(--text-2xs);color:var(--ink-faint);min-width:2.2rem;text-align:right;font-variant-numeric:tabular-nums}.rules-rows{display:flex;flex-direction:column}.rule-row{display:flex;align-items:baseline;justify-content:space-between;gap:.8rem;padding:.32rem 0;font-size:var(--text-sm);border-bottom:1px solid var(--stroke)}.rule-row:last-child{border-bottom:none}.rule-k{color:var(--ink-faint);flex-shrink:0}.rule-v{color:var(--ink);font-weight:var(--weight-semibold);text-align:right;font-variant-numeric:tabular-nums}.rules-gates{display:flex;flex-direction:column;gap:.4rem}.rules-gates-h{font-family:var(--font-mono);font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint)}.gate-pills{display:flex;flex-wrap:wrap;gap:.35rem}.gate-pill{font-family:var(--font-mono);font-size:var(--text-2xs);border:1px solid var(--stroke);border-radius:var(--radius-pill);padding:.15rem .5rem;color:var(--ink-dim)}.agg-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(108px,1fr));gap:.6rem .9rem;padding:.85rem .95rem;border:1px solid var(--stroke);border-radius:var(--radius-md);background:var(--surface-1);margin-bottom:var(--space-md)}.agg-k{font-family:var(--font-mono);font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint)}.agg-v{font-family:var(--font-mono);font-size:var(--text-base);font-weight:var(--weight-bold);color:var(--ink-bright);font-variant-numeric:tabular-nums;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.window-timeline{display:flex;flex-direction:column;gap:.45rem}.wt-label{font-size:var(--text-sm);color:var(--ink-dim)}.wt-label b{color:var(--ink-bright);font-family:var(--font-mono);font-weight:var(--weight-bold);font-variant-numeric:tabular-nums}.wt-label .wt-live{color:var(--success);font-weight:var(--weight-bold)}.wt-fill{position:absolute;inset:0 auto 0 0;height:100%;border-radius:var(--radius-pill);background:var(--ink-dim);transition:width var(--duration-slow) var(--ease-out)}.window-timeline.wt-live .wt-fill{background:var(--success)}.window-timeline.wt-finished .wt-fill{background:var(--ink-dim)}.wt-node{position:absolute;top:50%;width:9px;height:9px;border-radius:50%;transform:translate(-50%,-50%);background:var(--surface-3);border:2px solid var(--bg-0)}.wt-node-start{left:0;background:var(--ink-dim)}.window-timeline.wt-live .wt-node-start{background:var(--success)}.window-timeline.wt-finished .wt-node-end{background:var(--ink-dim)}.wt-ends{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:var(--text-2xs);color:var(--ink-faint)}.arena-modal{position:fixed;inset:0;background:var(--modal-backdrop, rgba(0, 0, 0, .7));backdrop-filter:blur(var(--blur-sm));-webkit-backdrop-filter:blur(var(--blur-sm));display:flex;align-items:center;justify-content:center;padding:1rem;z-index:2147483640;font-family:var(--font-body);animation:arena-fade var(--duration-base) var(--ease-out)}@keyframes arena-fade{0%{opacity:0}}.arena-modal .sheet{position:relative;background:var(--bg-1);border:1px solid var(--stroke-strong);border-radius:var(--radius-lg);width:min(560px,100%);max-height:min(90vh,760px);overflow-y:auto;padding:1.4rem;box-shadow:var(--shadow-3);animation:arena-sheet-in var(--duration-base) var(--ease-emphasized)}@keyframes arena-sheet-in{0%{opacity:0;transform:translateY(12px) scale(.98)}}.arena-modal h2{margin:0 0 .3rem;padding-right:2rem;font-family:var(--font-display);font-size:var(--text-lg);color:var(--ink-bright)}.arena-modal .sub{color:var(--ink-dim);font-size:var(--text-md);line-height:1.5;margin:0 0 1.1rem}.modal-close{position:absolute;top:.85rem;right:.85rem;width:2rem;height:2rem;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--ink-dim);font-size:1.15rem;line-height:1;cursor:pointer;transition:color var(--duration-fast) var(--ease-standard),background var(--duration-fast) 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