.arena-container{z-index:1;max-width:860px;margin:0 auto;padding:100px 24px 60px;position:relative}.arena-header{text-align:center;margin-bottom:32px}.arena-header h1{margin-bottom:8px;font-size:1.8rem;font-weight:800}.arena-header h1 span{color:var(--text)}.arena-header p{color:var(--text-dim);font-size:.9rem}.arena-tabs{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);gap:4px;margin-bottom:24px;padding:4px;display:flex;overflow-x:auto}.arena-tab{color:var(--text-muted);font-family:var(--sans);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--duration-fast);white-space:nowrap;background:0 0;border:none;padding:8px 20px;font-size:.8rem;font-weight:600}.arena-tab:hover{color:var(--text-dim)}.arena-tab.active{background:var(--text);color:var(--bg)}.gene-list{flex-direction:column;gap:8px;display:flex}.gene-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--duration-fast);grid-template-columns:48px 1fr auto;align-items:center;gap:16px;padding:16px 20px;display:grid}.gene-card:hover{border-color:var(--text-muted)}.gene-rank{color:var(--text-muted);font-size:.85rem;font-weight:700;font-family:var(--mono);justify-content:center;align-items:center;gap:4px;display:inline-flex}.gene-rank.top-3{color:var(--text-dim)}.gene-card:hover .gene-rank.top-3{color:var(--text)}.gene-rank svg{flex-shrink:0}.gene-info h3{margin-bottom:4px;font-size:.9rem;font-weight:600}.gene-meta{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.gene-meta span{color:var(--text-muted);font-size:.7rem}.badge{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.03em;padding:2px 8px;font-size:.65rem;font-weight:600;display:inline-block}.badge-manual{background:var(--green-dim);color:var(--green)}.badge-llm{background:var(--yellow-dim);color:var(--yellow)}.badge-domain{font-family:var(--mono);background:var(--surface-2);color:var(--text-dim);text-transform:none;font-weight:400}.badge-fidelity{background:var(--surface-2);color:var(--text-dim)}.gene-fitness{text-align:right}.fitness-value{font-size:1.1rem;font-weight:700;font-family:var(--mono)}.fitness-label{color:var(--text-muted);text-transform:uppercase;font-size:.65rem}.tier-section{flex-direction:column;gap:8px;margin-bottom:28px;display:flex}.tier-head{margin-bottom:2px}.tier-title{letter-spacing:.02em;align-items:center;gap:8px;margin:0 0 2px;font-size:.9rem;font-weight:700;display:flex}.tier-title-verified{color:var(--green)}.tier-title-under_evaluation{color:var(--yellow)}.tier-title-not_evaluated{color:var(--text-muted)}.tier-count{font-family:var(--mono);color:var(--text-muted);background:var(--surface-2);border-radius:var(--radius-full);padding:1px 8px;font-size:.7rem;font-weight:600}.tier-blurb{color:var(--text-muted);margin:0;font-size:.75rem;line-height:1.5}.tier-empty{color:var(--text-muted);background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-md);padding:16px 20px;font-size:.78rem;line-height:1.6}.gene-card.tier-not_evaluated{opacity:.72}.gene-card.tier-not_evaluated:hover{opacity:1}.gene-card.tier-not_evaluated .fitness-value,.gene-rank-none{color:var(--text-muted);font-weight:400}.gene-version{font-family:var(--mono);color:var(--text-muted);margin-left:6px;font-size:.7rem;font-weight:400}.gene-reason{color:var(--text-dim);margin-top:6px;font-size:.72rem;line-height:1.5}.detail-reason{color:var(--text-dim);background:var(--bg);border:1px solid var(--border);border-left:3px solid var(--yellow);border-radius:var(--radius-md);margin-bottom:20px;padding:12px;font-size:.8rem;line-height:1.6}.detail-reason strong{color:var(--text)}.detail-stored{color:var(--text-muted);margin-top:8px;font-size:.72rem}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.loading{text-align:center;color:var(--text-muted);padding:40px;font-size:.85rem}.detail-backdrop{backdrop-filter:blur(4px);z-index:100;background:#09090bb3;display:none;position:fixed;inset:0}.detail-backdrop.open{justify-content:center;align-items:center;padding:24px;display:flex}.detail-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90vh;box-shadow:var(--shadow-md);padding:28px;position:relative;overflow-y:auto}.detail-close{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;width:32px;height:32px;transition:all var(--duration-fast);justify-content:center;align-items:center;font-size:1rem;display:flex;position:absolute;top:16px;right:16px}.detail-close:hover{color:var(--text);border-color:var(--text-muted)}.detail-gene-name{margin-bottom:8px;padding-right:40px;font-size:1.1rem;font-weight:700}.detail-meta{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.detail-description{color:var(--text-dim);background:var(--bg);border-radius:var(--radius-md);border:1px solid var(--border);margin-bottom:20px;padding:12px;font-size:.85rem;line-height:1.6}.detail-scores{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;display:grid}.detail-score-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;padding:12px}.detail-score-value{font-size:1.2rem;font-weight:700;font-family:var(--mono);color:var(--accent)}.detail-score-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:2px;font-size:.65rem}.detail-actions{gap:10px;display:flex}.detail-btn{border-radius:var(--radius-md);font-family:var(--sans);cursor:pointer;text-align:center;transition:all var(--duration-fast);border:none;flex:1;justify-content:center;align-items:center;padding:10px 16px;font-size:.8rem;font-weight:600;text-decoration:none;display:inline-flex}.detail-btn-primary{background:var(--text);color:var(--bg)}.detail-btn-primary:hover{background:#e4e4e7}.detail-btn-secondary{background:var(--surface-2);color:var(--text-dim);border:1px solid var(--border)}.detail-btn-secondary:hover{color:var(--text)}@media (width<=640px){.arena-container{padding:80px 16px 40px}.arena-header h1{font-size:1.4rem}.gene-card{grid-template-columns:36px 1fr;gap:12px}.gene-fitness{text-align:left;grid-column:2}}