.ab1c-list{display:grid;gap:14px;width:100%}
.ab1c-challenge{--ab1c-accent:#42e8ff;--ab1c-bg:none;position:relative;width:100%;margin:16px 0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
.ab1c-list>.ab1c-challenge{margin:0}
.ab1c-banner{position:relative;display:grid;grid-template-columns:minmax(0,1.65fr) minmax(190px,.7fr) auto;align-items:center;gap:24px;width:100%;min-height:122px;padding:19px 24px;border:1px solid color-mix(in srgb,var(--ab1c-accent),transparent 50%);border-radius:14px;overflow:hidden;text-align:left;text-decoration:none!important;color:#fff!important;background:linear-gradient(90deg,rgba(2,8,20,.97),rgba(4,17,36,.93) 55%,rgba(3,7,18,.98)),var(--ab1c-bg);background-size:cover;background-position:center;box-shadow:0 12px 30px rgba(0,0,0,.20),inset 0 0 36px rgba(55,198,255,.03);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.ab1c-banner:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 18% 40%,color-mix(in srgb,var(--ab1c-accent),transparent 80%),transparent 28%),linear-gradient(115deg,transparent 45%,rgba(255,255,255,.035) 50%,transparent 56%)}
button.ab1c-banner:hover,button.ab1c-banner:focus-visible{outline:none;transform:translateY(-2px);border-color:var(--ab1c-accent);box-shadow:0 16px 38px rgba(0,0,0,.27),0 0 22px color-mix(in srgb,var(--ab1c-accent),transparent 84%)}
.ab1c-copy,.ab1c-leader,.ab1c-cta{position:relative;z-index:2}
.ab1c-copy{display:grid;gap:4px;min-width:0}
.ab1c-eyebrow{font-size:11px;font-weight:900;letter-spacing:.17em;color:var(--ab1c-accent)}
.ab1c-title{font-size:clamp(19px,2.3vw,30px);line-height:1.05;letter-spacing:.03em;text-transform:uppercase;color:#fff}
.ab1c-subtitle{max-width:720px;color:#b8c5d6;font-size:13px;line-height:1.4}
.ab1c-leader{display:flex;align-items:center;gap:10px;min-width:190px;padding:10px 15px;border-left:1px solid rgba(255,255,255,.12);border-right:1px solid rgba(255,255,255,.08);background:linear-gradient(90deg,rgba(255,255,255,.018),rgba(255,255,255,.04),rgba(255,255,255,.018))}
.ab1c-crown{font-size:27px;line-height:1;filter:drop-shadow(0 0 7px rgba(255,200,48,.28))}
.ab1c-leader-copy{display:grid;gap:1px;min-width:0}
.ab1c-leader-label{font-size:9px;letter-spacing:.14em;color:#8fa0b8}
.ab1c-leader-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:190px;font-size:18px;color:#fff;line-height:1.1}
.ab1c-leader-score{font-size:12px;color:#ffd650;font-weight:900;font-variant-numeric:tabular-nums}
.ab1c-cta{display:inline-flex;align-items:center;justify-content:center;gap:9px;white-space:nowrap;min-height:44px;padding:0 16px;border:1px solid color-mix(in srgb,var(--ab1c-accent),transparent 34%);clip-path:polygon(7% 0,93% 0,100% 50%,93% 100%,7% 100%,0 50%);background:linear-gradient(180deg,color-mix(in srgb,var(--ab1c-accent),#063257 72%),rgba(2,22,42,.94));font-size:12px;font-weight:900;letter-spacing:.07em;color:#fff}
.ab1c-admin-warning{padding:12px 14px;border-left:4px solid #dba617;background:#fff8dd;color:#573f00}

@media(max-width:820px){
 .ab1c-banner{grid-template-columns:1fr auto;grid-template-areas:"copy leader" "copy cta";gap:8px 14px;min-height:132px;padding:15px;border-radius:10px}
 .ab1c-copy{grid-area:copy}
 .ab1c-leader{grid-area:leader;min-width:0;padding:7px 8px;border-right:0}
 .ab1c-cta{grid-area:cta;min-height:40px;padding:0 12px}
 .ab1c-title{font-size:18px}
 .ab1c-subtitle{font-size:11px}
 .ab1c-leader-name{max-width:135px;font-size:14px}
 .ab1c-crown{font-size:20px}
}
@media(max-width:560px){
 .ab1c-banner{grid-template-columns:1fr;grid-template-areas:"copy" "leader" "cta";min-height:0}
 .ab1c-leader{width:max-content;max-width:100%;border-left:0;border-top:1px solid rgba(255,255,255,.10)}
 .ab1c-cta{justify-self:start}
}
@media(prefers-reduced-motion:reduce){.ab1c-banner{transition:none}}

button.ab1c-banner{appearance:none;-webkit-appearance:none;font:inherit;cursor:pointer}
html.ab1c-game-open,body.ab1c-game-open{overflow:hidden!important}
.ab1c-game-overlay{position:fixed;inset:0;z-index:2147483646;display:block;width:100%;height:100%;margin:0;padding:0;background:#000;overflow:hidden}
.ab1c-game-overlay:fullscreen{width:100%;height:100%;background:#000}
.ab1c-game-overlay::backdrop{background:#000}
.ab1c-game-frame{position:absolute;inset:0;display:block;width:100%;height:100%;border:0;margin:0;padding:0;background:#000}
.ab1c-game-close{position:absolute;top:max(10px,env(safe-area-inset-top));right:max(10px,env(safe-area-inset-right));z-index:3;display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:7px 12px;border:1px solid rgba(255,255,255,.28);border-radius:8px;background:rgba(2,7,16,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;font:800 11px/1 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:.08em;cursor:pointer;box-shadow:0 4px 18px rgba(0,0,0,.28)}
.ab1c-game-close>span:first-child{font-size:22px;line-height:1;font-weight:400}
.ab1c-game-close kbd{display:inline-block;margin-left:2px;padding:3px 5px;border:1px solid rgba(255,255,255,.22);border-radius:4px;background:rgba(255,255,255,.08);color:#fff;font:700 9px/1 system-ui,-apple-system,"Segoe UI",sans-serif}
.ab1c-game-close:hover,.ab1c-game-close:focus-visible{outline:2px solid #fff;outline-offset:2px;background:rgba(10,18,30,.94)}
@media(max-width:560px){.ab1c-game-close{min-width:42px;padding:7px 9px}.ab1c-game-close>span:last-child{font-size:0}.ab1c-game-close kbd{display:none}}


.ab1c-esc-hint{position:absolute;top:max(12px,env(safe-area-inset-top));left:50%;z-index:4;display:inline-flex;align-items:center;gap:8px;transform:translateX(-50%);padding:7px 11px;border:1px solid rgba(255,255,255,.22);border-radius:7px;background:rgba(2,7,16,.72);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);box-shadow:0 4px 18px rgba(0,0,0,.24);color:rgba(255,255,255,.92);font:800 10px/1 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:.12em;pointer-events:none;user-select:none}
.ab1c-esc-hint kbd{display:inline-block;padding:4px 6px;border:1px solid rgba(255,255,255,.32);border-bottom-color:rgba(255,255,255,.5);border-radius:4px;background:rgba(255,255,255,.10);color:#fff;font:900 10px/1 system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:.04em}
@media(max-width:700px),(pointer:coarse){.ab1c-esc-hint{display:none}}