/* V16.9 : visual-only arena upgrade. Existing combat and persistence are untouched. */
#fight.v16FullArena:not(.hidden){background:linear-gradient(180deg,rgba(2,13,29,.72),rgba(2,18,28,.18) 38%,rgba(3,14,29,.65) 100%),url("arena_foret_v169.jpg") center center/cover no-repeat fixed!important;display:grid!important;grid-template-columns:minmax(185px,240px) minmax(0,1fr) minmax(190px,250px)!important;grid-template-rows:auto auto minmax(270px,1fr) auto auto!important;gap:12px!important;align-items:stretch!important;padding:14px clamp(12px,2vw,30px) 20px!important;overflow:auto!important}
#fight.v16FullArena .v16ArenaSky,#fight.v16FullArena::before{display:none!important}
#fight.v16FullArena .v16ArenaTop{grid-column:1/-1;grid-row:1;justify-content:center!important;border:0!important;background:linear-gradient(100deg,#07172fdc,#102f4ddd,#07172fdc);border:2px solid #c79635!important;border-radius:24px;padding:10px 18px!important;box-shadow:0 7px 22px #000b, inset 0 0 20px #e7ae3633}
#fight.v16FullArena .v16ArenaBrand{justify-content:center;text-align:center;display:flex;flex-direction:column;align-items:center;gap:2px!important}
#fight.v16FullArena .v16ArenaBrand span{font-size:clamp(21px,3.6vw,48px)!important;color:#ffd767!important;text-shadow:2px 3px 0 #432a0a,0 0 17px #ffe47d99}
#fight.v16FullArena .v16ArenaBrand strong{font-size:clamp(14px,2vw,25px)!important;color:#fff0bf}
#fight.v16FullArena .v16ArenaTopActions{position:absolute;right:14px;top:12px}
#fight.v16FullArena .v16LiveTag{display:none}
#fight.v16FullArena .v16ArenaCenterTitle{grid-column:2;grid-row:2;text-align:center!important;font-size:clamp(20px,2.6vw,36px)!important;opacity:1!important;color:#fff2c2;text-shadow:0 3px 8px #000}
#fight.v16FullArena #v142CpuStatus{grid-column:2;grid-row:4;max-width:100%;width:100%;background:#061c38ed!important;border:2px solid #c99c46!important;border-radius:18px!important;text-align:center;padding:12px!important;color:#fff}
#v12ComputerArea #fight.v16FullArena .battle{grid-column:2;grid-row:3;display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:18px!important;align-items:end!important;min-height:290px!important;margin:0!important}
#v12ComputerArea #fight.v16FullArena .fighter{background:linear-gradient(180deg,#061d3cdd,#0c31548c)!important;border:2px solid #e1b44f!important;border-radius:22px!important;box-shadow:0 10px 28px #0009!important;padding:12px!important;min-width:0;max-width:none!important}
#v12ComputerArea #fight.v16FullArena .fighter .art{height:clamp(155px,30vh,340px)!important;background:transparent!important}
#v12ComputerArea #fight.v16FullArena .fighter .art img{filter:drop-shadow(0 14px 10px #000a);object-fit:contain!important}
#v12ComputerArea #fight.v16FullArena .fighter .bar{height:20px!important;background:#06162e!important;border:2px solid #f5d275!important;border-radius:20px!important;overflow:hidden}
#v12ComputerArea #fight.v16FullArena .fighter .bar>div{height:100%;background:linear-gradient(#9eff72,#15d43e 50%,#0b9c27)!important;border-radius:20px!important;transition:width .3s}
#fight.v16FullArena>.panel{grid-column:3;grid-row:3;align-self:center!important;width:100%!important;max-width:none!important;background:linear-gradient(145deg,#07172ff5,#0d3356ee)!important;border:3px solid #e2ac45!important;border-radius:23px!important;padding:17px!important;box-shadow:0 9px 30px #000b}
#fight.v16FullArena>.panel::before{content:'⚔️ Actions';display:block;text-align:center;color:#ffe09b;font-size:22px;font-weight:900;margin-bottom:14px}
#fight.v16FullArena>.panel .actions{display:flex!important;flex-direction:column!important;align-items:stretch!important}
#fight.v16FullArena #hit,#fight.v16FullArena #guard{width:100%!important;min-height:66px!important;font-size:clamp(14px,1.5vw,20px)!important;border-radius:14px!important;color:white!important}
#fight.v16FullArena #hit{background:linear-gradient(#ff5648,#b50910)!important;border:2px solid #ffbf78!important}
#fight.v16FullArena #guard{background:linear-gradient(#1db8ff,#0347b5)!important;border:2px solid #a9e9ff!important}
#fight.v16FullArena #v10Moves{display:flex;flex-wrap:wrap}
#fight.v16FullArena>.panel h3,#fight.v16FullArena #log{display:none!important}
#fight.v16FullArena .v169Upgrades{grid-column:1;grid-row:3;align-self:center;min-width:0;max-height:100%;overflow:auto;background:linear-gradient(145deg,#07172ff5,#0d3356ee)!important;border:3px solid #e2ac45!important;border-radius:23px;padding:14px;box-shadow:0 9px 30px #000b;color:#fff}
#fight.v16FullArena .v169Upgrades h3{color:#ffe09b;text-align:center;font-size:19px;margin:0 0 10px}
#fight.v16FullArena .v169Upgrades .v144UpgradeButtons{display:flex;flex-direction:column;gap:8px}
#fight.v16FullArena .v169Upgrades button{width:100%;white-space:normal;min-height:42px;border:1px solid #87bbef;border-radius:12px;background:linear-gradient(#24527d,#0c254b);color:white;font-weight:800}
#fight.v16FullArena .v169Upgrades small{font-size:11px;color:#b9d5f0}
#fight.v16FullArena .v169Log{grid-column:1/-1;grid-row:5;background:#061b36f2;border:3px solid #d6a548;border-radius:20px;padding:10px 18px;box-shadow:0 6px 18px #0009}
#fight.v16FullArena .v169Log h3{margin:0 0 6px;color:#ffe09b}
#fight.v16FullArena .v169Log #log{display:block!important;min-height:54px!important;max-height:115px!important;overflow:auto!important;background:transparent!important;color:white!important}
#fight.v16FullArena .v16ArenaFooter{display:none!important}
@media(max-width:900px){#fight.v16FullArena:not(.hidden){grid-template-columns:minmax(0,1fr) minmax(0,1fr)!important;grid-template-rows:auto auto auto auto auto auto!important}#fight.v16FullArena .v16ArenaTop{grid-column:1/-1}#fight.v16FullArena .v16ArenaCenterTitle{grid-column:1/-1;grid-row:2}#v12ComputerArea #fight.v16FullArena .battle{grid-column:1/-1;grid-row:3;min-height:220px!important}#fight.v16FullArena .v169Upgrades{grid-column:1;grid-row:4;align-self:stretch}#fight.v16FullArena>.panel{grid-column:2;grid-row:4;align-self:stretch!important}#fight.v16FullArena #v142CpuStatus{grid-column:1/-1;grid-row:5}#fight.v16FullArena .v169Log{grid-column:1/-1;grid-row:6}#fight.v16FullArena .v16ArenaTopActions{position:static}}
@media(max-width:540px){#fight.v16FullArena:not(.hidden){padding:8px!important;gap:8px!important}#fight.v16FullArena .v16ArenaTop{flex-direction:column}#fight.v16FullArena .v16ArenaBrand span{font-size:26px!important}#v12ComputerArea #fight.v16FullArena .fighter{padding:6px!important}#v12ComputerArea #fight.v16FullArena .fighter .art{height:145px!important}#fight.v16FullArena .v169Upgrades,#fight.v16FullArena>.panel{padding:9px!important}#fight.v16FullArena #hit,#fight.v16FullArena #guard{min-height:52px!important}}