.arena-app{--board:#e4c47f;--board-line:#5b4826}.arena-app .tag{white-space:nowrap}.arena-app .page-hero{padding-block:clamp(40px,6vw,72px) clamp(24px,4vw,40px);gap:16px}.arena-app .arena-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px}.arena-app .arena-name{font-weight:600;white-space:nowrap}.arena-app .ranking-hero .lede{max-width:60ch}.arena-app .ranking-hero{grid-template-columns:minmax(0,1fr) 224px;align-items:center;gap:32px;width:100%}.arena-app .ranking-intro{display:grid;grid-gap:12px;gap:12px}.arena-app .ranking-preview{width:224px}.arena-app .ranking-section{padding-top:12px}.arena-app .ranking-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}.arena-app .ranking-table-wrap .table{min-width:720px}.arena-app .ranking-table-wrap .table th{background:var(--bg-soft)}.arena-app .standings-model{display:inline-flex;align-items:center;gap:12px}.arena-app .model-company-logo{width:24px;height:24px;flex:none;object-fit:contain}.arena-app .ranking-note{margin-top:16px;max-width:90ch}.arena-app .arena-rules{display:grid;grid-gap:20px;gap:20px;padding:24px 24px 24px 48px;border:1px solid var(--line);border-radius:var(--radius)}.arena-app .rules-footnote{max-width:80ch;padding-block:24px 80px;display:grid;grid-gap:16px;gap:16px}.arena-app .small{font-size:.85rem}.arena-app .container-wide{width:min(100% - 2 * var(--gutter),1440px);margin-inline:auto}.arena-app .btn-secondary[aria-pressed=true]{background:var(--fg);color:var(--accent-fg);border-color:var(--fg)}.arena-app .btn-icon{width:40px;min-height:40px;padding:0}.arena-app .tag-dark{background:var(--fg);color:var(--accent-fg);border-color:var(--fg)}.arena-app .segmented{display:inline-flex;padding:4px;gap:4px;border:1px solid var(--line);border-radius:999px;background:var(--bg-soft)}.arena-app .segmented a{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;color:var(--fg-muted);font-size:.92rem;font-weight:500}.arena-app .segmented a.is-active{background:var(--bg);color:var(--fg);box-shadow:0 1px 2px rgba(13,13,13,.08)}.arena-app .arena{display:grid;grid-template-columns:minmax(230px,300px) minmax(0,1fr) minmax(230px,300px);grid-gap:24px;gap:24px;align-items:start}.arena-app .arena-center{display:grid;grid-gap:16px;gap:16px;justify-items:center;min-width:0}.arena-app .board-frame{width:min(100%,calc(100dvh - 340px));aspect-ratio:1;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 2px rgba(13,13,13,.08),0 24px 48px -32px rgba(13,13,13,.45)}.arena-app .board-frame svg{width:100%;height:100%}.arena-app .board-mini{width:100%;aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}.arena-app .controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;width:100%}.arena-app .controls-group{display:inline-flex;gap:6px;padding:6px;border:1px solid var(--line);border-radius:999px;background:var(--bg)}.arena-app .move-counter{min-width:80px;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:.9rem;color:var(--fg-muted);align-self:center}.arena-app .score-bar{display:grid;grid-gap:6px;gap:6px;width:100%}.arena-app .score-track{display:flex;height:10px;border-radius:999px;overflow:hidden;border:1px solid var(--line-strong);background:var(--bg-soft)}.arena-app .score-track>span{display:block;height:100%}.arena-app .score-black{background:var(--fg)}.arena-app .score-white{background:var(--bg)}.arena-app .score-labels{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 8px;font-size:.85rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--fg-muted)}.arena-app .score-labels strong{color:var(--fg);font-weight:500}.arena-app .player-card{gap:14px;padding:22px;min-width:0}.arena-app .go-player-card{overflow:auto}.arena-app .go-player-card>.player-head,.arena-app .go-player-card>.player-stats{flex-shrink:0}.arena-app .player-reasoning{display:flex;flex-direction:column;min-height:0}.arena-app .player-reasoning>.reasoning-label{flex-shrink:0}.arena-app .player-reasoning>.reasoning{overflow-y:auto;min-height:0;scrollbar-gutter:stable}.arena-app .player-card[data-winner=true]:after{content:"Winner";position:absolute;top:8px;right:16px;font-size:.65rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-muted)}.arena-app .player-head{display:flex;align-items:center;gap:12px}.arena-app .stone-badge{flex:none;width:32px;height:32px;border-radius:50%;border:1px solid rgba(13,13,13,.25);background:radial-gradient(circle at 35% 30%,#666,#0d0d0d 70%)}.arena-app .stone-badge[data-color=white]{background:radial-gradient(circle at 35% 30%,#fff,#d9d9de 75%)}.arena-app .stone-badge-sm{width:14px;height:14px}.arena-app .player-name{font-weight:500;overflow-wrap:anywhere;line-height:1.25}.arena-app .player-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px 16px;gap:10px 16px;font-size:.85rem;color:var(--fg-muted)}.arena-app .player-stats strong{display:block;font-size:1.1rem;font-weight:500;color:var(--fg);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.arena-app .reasoning{padding:14px 16px;border-radius:var(--radius-sm);background:var(--bg-soft);font-size:.9rem;line-height:1.5;color:var(--fg);white-space:pre-wrap;overflow-wrap:anywhere}.arena-app .reasoning-label{display:flex;justify-content:space-between;gap:8px;font-size:.78rem;color:var(--fg-muted);margin-bottom:6px}.arena-app .move-list{position:relative;display:grid;grid-gap:4px;gap:4px;max-height:520px;overflow-y:auto;padding-right:4px}.arena-app .move-item{display:grid;grid-template-columns:36px 18px 52px minmax(0,1fr);grid-gap:8px;gap:8px;align-items:start;width:100%;padding:10px 12px;border-radius:var(--radius-sm);text-align:left;font-size:.9rem}.arena-app .move-item:hover{background:var(--bg-soft)}.arena-app .move-item[data-current=true]{background:var(--fg);color:var(--accent-fg)}.arena-app .move-num{color:var(--fg-muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.arena-app .move-coord{font-weight:500;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.arena-app .move-text{color:var(--fg-muted);font-size:.85rem;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.arena-app .move-item[data-current=true] .move-num,.arena-app .move-item[data-current=true] .move-text{color:rgba(255,255,255,.75)}.arena-app .game-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:16px 32px;padding-block:28px 20px}.arena-app .game-head h1{font-size:clamp(1.4rem,2.4vw,2rem);overflow-wrap:anywhere;margin-block:8px}.arena-app .game-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.85rem;color:var(--fg-muted)}.arena-app .game-card{gap:14px;padding:18px}.arena-app .game-card-title{font-size:1rem;font-weight:500;line-height:1.3;overflow-wrap:anywhere}.arena-app .game-card-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 12px;font-size:.82rem;color:var(--fg-muted)}.arena-app .vs{display:grid;grid-gap:6px;gap:6px;font-size:.85rem}.arena-app .vs>span{display:flex;align-items:center;gap:8px;min-width:0}.arena-app .vs>span>em{font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.arena-app .table{width:100%;border-collapse:collapse;font-size:.92rem}.arena-app .table td,.arena-app .table th{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.arena-app .table th{font-size:.78rem;font-weight:500;color:var(--fg-muted);letter-spacing:.02em}.arena-app .table td.num,.arena-app .table th.num{text-align:right}.arena-app .empty{padding:40px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius);text-align:center;color:var(--fg-muted)}.arena-app .arena-games-list{padding-bottom:96px}.arena-app .arena-filters{display:flex;align-items:center;flex-wrap:wrap;gap:16px 24px;margin-bottom:24px}.arena-app .arena-filters label{display:flex;align-items:center;gap:8px;font-size:.85rem;min-width:0}.arena-app .arena-filters select{max-width:min(100%,440px);min-width:0;padding:8px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--bg);color:var(--fg)}.arena-app .analysis-checkpoint{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:8px;font-size:.85rem;color:var(--fg-muted)}.arena-app .analysis-checkpoint select{max-width:100%;padding:8px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--bg);color:var(--fg)}.arena-app .move-detail-title{font-size:1.1rem}.arena-app .rejected-attempts{margin-top:8px;padding-left:18px;display:grid;grid-gap:8px;gap:8px;font-size:.85rem;overflow-wrap:anywhere}@media (max-width:1100px){.arena-app .arena{grid-template-columns:minmax(0,1fr)}.arena-app .arena>:nth-child(2){order:-1}.arena-app .board-frame{width:min(100%,640px)}}@media (max-width:720px){.arena-app .ranking-hero{grid-template-columns:minmax(0,1fr);gap:24px}.arena-app .ranking-preview{width:160px}.arena-app .player-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.arena-app .arena-nav{flex-wrap:wrap}}