.arena{--ar-ink:#292d27;--ar-muted:#6b6b5e;--ar-line:#dfd7c4;--ar-burgundy:#713340;--ar-green:#315c4c;color:var(--ar-ink);background:#f6f3eb;min-height:100vh;padding:34px clamp(16px,3.6vw,64px) 64px;font-family:Arial,sans-serif}.arena-inner{max-width:1480px;margin:auto}.arena a{color:inherit}.arena button,.arena input,.arena textarea{font:inherit}.arena button{cursor:pointer}.arena button:disabled{cursor:wait;opacity:.55}.arena :focus-visible{outline:3px solid var(--ar-burgundy);outline-offset:4px}.arena-eyebrow{text-transform:uppercase;letter-spacing:.025em;white-space:nowrap;color:var(--ar-burgundy);font-size:clamp(9.5px,2.6vw,11px);font-weight:700}.arena-hero{justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px;display:flex}.arena h1{letter-spacing:-.04em;margin:12px 0;font:clamp(36px,4.4vw,62px)/1.06 Georgia,serif}.arena-hero 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h3{margin:0;font-size:15px}.arena-caption{color:var(--ar-muted);font-size:12px;line-height:1.6}.arena-overview{gap:22px;display:grid}.arena-stats{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.arena-stat{border:1px solid var(--ar-line);background:#ece8dc;border-radius:10px;padding:20px}.arena-stat span{text-transform:uppercase;letter-spacing:.08em;color:var(--ar-muted);font-size:11px;display:block}.arena-stat strong{margin:10px 0 5px;font:30px Georgia,serif;display:block}.arena-stat small{color:var(--ar-muted);font-size:12px;line-height:1.6;display:block}.arena-chart{padding:18px 22px}.arena-chart svg{width:100%;height:240px;display:block}.arena-chart-empty{text-align:center;min-height:76px;color:var(--ar-muted);justify-content:center;align-items:center;font-size:13px;line-height:1.7;display:flex}.arena-chart-empty p{max-width:440px;margin:0;padding:12px 0}.arena-legend{color:var(--ar-muted);flex-wrap:wrap;gap:16px;padding-top:15px;font-size:11px;display:flex}.arena-legend i{border-radius:50%;width:8px;height:8px;margin-right:5px;display:inline-block}.arena-contenders{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.arena-contender{border:1px solid var(--ar-line);background:#fffdf8;border-radius:10px;padding:18px}.arena-contender header{justify-content:space-between;align-items:center;gap:10px;display:flex}.arena-badge{border:1px solid var(--ar-line);color:var(--ar-muted);white-space:nowrap;border-radius:5px;padding:4px 7px;font-size:10px}.arena-contender dl{gap:24px;margin:20px 0 12px;display:flex}.arena-contender dt{color:var(--ar-muted);margin-bottom:5px;font-size:11px}.arena-contender dd{font-variant-numeric:tabular-nums;margin:0;font-size:20px}.arena-contender p{color:var(--ar-muted);margin:0;font-size:12px;line-height:1.6}.arena-feed{position:sticky;top:18px}.arena-feed-list{max-height:600px;padding:4px 22px 18px;overflow:auto}.arena-event{border-bottom:1px solid var(--ar-line);padding:18px 0}.arena-event:last-child{border:0}.arena-event p{margin:7px 0;font-size:13px;line-height:1.6}.arena-event time{color:var(--ar-muted);font-size:10px}.arena-empty{color:var(--ar-muted);text-align:center;padding:38px 24px;font-size:13px;line-height:1.8}.arena-empty strong{color:var(--ar-ink);margin-bottom:6px;font-size:14px;display:block}.arena-table-wrap{padding:14px 22px 22px;overflow:auto}.arena table{border-collapse:collapse;white-space:nowrap;width:100%;font-size:12px}.arena th{text-align:left;color:var(--ar-muted);letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--ar-line);padding:13px 14px;font-size:10px}.arena td{font-variant-numeric:tabular-nums;border-bottom:1px solid #eee9de;padding:17px 14px}.arena td:first-child,.arena th:first-child{padding-left:0}.arena-green{color:var(--ar-green)}.arena-red{color:var(--ar-burgundy)}.arena-method{border-top:1px solid var(--ar-line);color:var(--ar-muted);margin-top:26px;padding-top:20px;font-size:12px;line-height:1.8}.arena-method summary{cursor:pointer;color:var(--ar-ink);font-weight:600}.arena-method dl{grid-template-columns:160px 1fr;gap:10px;display:grid}.arena-method dd{margin:0}.arena-footer{color:var(--ar-muted);justify-content:space-between;gap:20px;margin-top:25px;font-size:11px;display:flex}.arena-chat-list{max-height:480px;padding:0 22px;overflow:auto}.arena-chat-form{border-top:1px solid var(--ar-line);padding:20px 22px}.arena-chat-form textarea{resize:vertical;border:1px solid var(--ar-line);width:100%;min-height:90px;color:var(--ar-ink);background:#f8f5ed;border-radius:8px;padding:12px}.arena-chat-actions{justify-content:space-between;align-items:center;gap:10px;margin-top:10px;display:flex}.arena-chat-actions button{background:var(--ar-green);color:#fff;border:0;border-radius:7px;padding:10px 16px}.arena-error{color:var(--ar-burgundy);background:#f5e7e5;border:1px solid #d5a9a8;border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:13px}.arena-loading{text-align:center;padding:60px 24px}.arena-decisions{padding:0 22px 16px}.arena-decision{border-bottom:1px solid var(--ar-line);padding:18px 0;font-size:13px;line-height:1.6}.arena-decision p{margin:8px 0}.arena-filter{align-items:center;gap:8px;margin-top:18px;padding:0 22px;font-size:12px;display:flex}.arena-filter select{border:1px solid var(--ar-line);color:var(--ar-ink);background:#fffdf8;border-radius:5px;padding:7px}@media (min-width:1100px){.arena-contenders{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:1000px){.arena-layout{grid-template-columns:minmax(0,1fr) 280px}.arena-stats{gap:8px}.arena-stat{padding:16px}.arena-stat strong{font-size:25px}}@media (max-width:760px){.arena{padding:22px 16px 40px}.arena-hero{margin-bottom:22px;display:block}.arena-top-actions{margin-top:18px}.arena-state{padding:14px 16px;font-size:14px;display:block}.arena-state time{margin-top:6px;display:block}.arena-tabs{z-index:5;background:#f6f3eb;justify-content:space-between;gap:0;position:sticky;top:0}.arena-tabs button{padding:14px 7px;font-size:13px}.arena-layout{display:block}.arena-feed{margin-top:22px;position:static}.arena-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.arena-stat:last-child{grid-column:1/-1}.arena-stat{padding:16px}.arena-stat span{letter-spacing:.04em;font-size:11px;line-height:1.5}.arena-stat strong{font-size:28px}.arena-stat small{font-size:12px}.arena-contenders{grid-template-columns:minmax(0,1fr);gap:14px}.arena-contender{padding:18px}.arena-contender header{flex-wrap:wrap;align-items:flex-start;gap:10px}.arena-contender h3{font-size:17px;line-height:1.4}.arena-contender dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0;display:grid}.arena-contender dt{font-size:12px}.arena-contender dd{font-size:24px}.arena-contender p{font-size:14px;line-height:1.65}.arena-card-heading{padding:18px 16px 0}.arena h2{font-size:22px}.arena-chart{padding:16px}.arena-chart-empty{min-height:64px;font-size:14px;line-height:1.6}.arena-method dl{grid-template-columns:1fr;gap:4px}.arena-method dd{margin-bottom:10px}.arena-footer{display:block}.arena-table-wrap{padding:12px 16px}.arena-top-actions .share-trigger{min-height:40px}}@media (max-width:379px){.arena-stats{grid-template-columns:minmax(0,1fr)}.arena-stat:last-child{grid-column:auto}.arena-state strong{font-size:13px}.arena-card-heading{flex-wrap:wrap}.arena-badge{white-space:normal;line-height:1.5}.arena-contender h3{overflow-wrap:break-word}.arena-eyebrow{letter-spacing:-.02em}}.arena-poster-header{margin-bottom:22px;display:block}.arena-poster-header .arena-eyebrow{text-align:center;margin:0 0 16px}.arena-poster{background:#1d211a;border-radius:12px;width:100%;max-width:510px;margin:0 auto 16px;overflow:hidden;box-shadow:0 12px 35px #292d2719}.arena-poster img{object-fit:contain;width:100%;height:auto;display:block}.arena-poster-header .arena-top-actions{flex-wrap:wrap;justify-content:center;margin-top:0}.arena-status-badge{font-size:12px;display:inline-block}.arena-state{justify-content:flex-start;gap:12px}.arena-state time{margin-left:auto}.arena-state .arena-simulation-label{background:#fffdf8;flex-shrink:0}@media (max-width:760px){.arena-poster-header{margin-bottom:18px}.arena-poster-header .arena-eyebrow{margin-bottom:12px}.arena-poster{border-radius:8px;margin-bottom:14px}.arena-state{flex-wrap:wrap;gap:8px 12px;display:flex}.arena-state strong{font-size:12px}.arena-state time{width:100%;margin:0}.arena-poster-header .arena-top-actions{gap:10px}}