/* Arena amplia, independiente de las columnas del inicio. */
.classic-site.c-focus-site .c-game{max-width:1280px;margin:0 auto;padding:24px;background:linear-gradient(135deg,hsl(var(--c-panel)),hsl(var(--c-bg2)));box-shadow:0 20px 48px hsl(var(--c-shadow)/.35);border-radius:24px}
.c-game .g-arena-heading{display:flex;justify-content:space-between;gap:16px;align-items:center;padding-bottom:24px;border-bottom:1px solid hsl(var(--c-border));margin-bottom:24px;flex-wrap:wrap}.c-game .g-arena-heading>span,.c-game .g-kicker{font-size:12px;font-weight:700;letter-spacing:2px;color:hsl(var(--c-gold))}.c-game .g-arena-heading strong{font-size:14px;color:hsl(var(--c-muted));font-weight:500}
.c-game .g-welcome{display:grid;gap:40px;text-align:left;padding:24px 0}.c-game .g-welcome h1{font-size:48px;line-height:1.05;letter-spacing:-2px;font-weight:700;margin:16px 0 24px}.c-game .g-welcome p{font-size:16px;max-width:560px}.c-game .g-welcome .c-btn{padding:16px 32px;font-size:16px}
.c-game .g-welcome-emblem{text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:32px 16px;border:1px solid hsl(var(--c-gold)/.25);border-radius:24px;background:radial-gradient(ellipse at 50% 20%,hsl(var(--c-gold)/.1),transparent 70%),hsl(var(--c-post))}.c-game .g-welcome-emblem .c-logo{width:144px;height:144px;margin:0 0 32px}.c-game .g-welcome-emblem p{font-size:14px;color:hsl(var(--c-muted));margin:24px 0 0}
.c-game .g-arena-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;width:100%}.c-game .g-arena-stats strong{display:block;font-size:28px;line-height:1.3;color:hsl(var(--c-gold));font-weight:700}.c-game .g-arena-stats span{font-size:13px;line-height:1.6;color:hsl(var(--c-muted));display:block;margin-top:8px}
.c-game [data-screen=menu] .g-player,.c-game [data-screen=menu] .g-note,.c-game [data-screen=menu] .g-saved,.c-game [data-screen=menu] .g-divider{grid-column:1/-1}.c-game .g-chalk{padding:32px}.c-game .g-chalk h2{font-size:24px;text-align:center;font-weight:600}.c-game .g-option{min-height:76px;padding:16px}.c-game .g-option .g-letter{width:44px;height:44px}.c-game .g-mode strong{font-weight:600}
@media(min-width:768px){.c-game .g-welcome{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:center;gap:48px}.c-game .g-welcome h1{font-size:64px}.c-game [data-screen=menu]:not([hidden]){display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.c-game [data-screen=menu] .g-mode{height:100%;margin-bottom:0}.c-game .g-players{grid-template-columns:repeat(3,minmax(0,1fr))}.c-game [data-screen=game]{max-width:1000px;margin:auto}.c-game [data-screen=room],.c-game [data-screen=ranking]{max-width:1000px;margin:auto}}
@media(min-width:1024px){.classic-site.c-focus-site .c-game{padding:40px 48px}.c-game .g-welcome h1{font-size:80px}.c-game .g-welcome{padding:32px 0}.c-game .g-welcome-emblem{padding:48px 24px}.c-game .g-welcome-emblem .c-logo{width:180px;height:180px}.c-game .g-arena-stats strong{font-size:36px}}
@media(max-width:639px){.c-game .g-arena-heading strong{display:none}.classic-site.c-focus-site .c-game{padding:20px}.c-game .g-arena-stats{gap:8px}.c-game .g-chalk{padding:24px 16px}}