*{box-sizing:border-box}[hidden]{display:none!important}
:root{color-scheme:dark;font-family:Inter,ui-rounded,"SF Pro Rounded",system-ui,sans-serif;background:#07111e;color:#f8f6ee;--gold:#ffc35a;--mint:#56e0bd;--ink:#07111e}
body{margin:0;min-height:100dvh;display:grid;place-items:center;overflow:hidden;background:radial-gradient(circle at 18% 18%,#1e4262 0,transparent 32%),radial-gradient(circle at 82% 80%,#183a36 0,transparent 36%),linear-gradient(145deg,#07111e,#111f33 58%,#081520);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
body:before{content:"";position:fixed;inset:0;background:linear-gradient(#06101a55,#06101acc),url("isabet-key-art.png") center/cover no-repeat;filter:saturate(.92);pointer-events:none}
.ambient{position:fixed;inset:0;pointer-events:none;overflow:hidden}.ambient i{position:absolute;border:1px solid #ffffff16;border-radius:50%;box-shadow:0 0 50px #56e0bd0c}.ambient i:nth-child(1){width:38vmax;height:38vmax;left:-18vmax;top:-12vmax}.ambient i:nth-child(2){width:23vmax;height:23vmax;right:-8vmax;bottom:5vmax}.ambient i:nth-child(3){width:8px;height:8px;left:78%;top:14%;background:var(--gold);box-shadow:0 0 28px 8px #ffc35a66;border:0}
.panel{position:relative;width:min(92vw,500px);padding:clamp(22px,5vw,42px);background:linear-gradient(145deg,#172b42e8,#0e1b2ce8);border:1px solid #ffffff22;border-radius:30px;box-shadow:0 35px 100px #0009,inset 0 1px #ffffff20;backdrop-filter:blur(18px)}
.panel:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg,#ffc35a77,transparent 35%,#56e0bd55);mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none}
.brandline{display:flex;align-items:center;justify-content:space-between;gap:12px}.live-dot{font-size:.62rem;font-weight:900;letter-spacing:.12em;color:#bff8e9;background:#56e0bd16;border:1px solid #56e0bd44;padding:6px 9px;border-radius:99px}.live-dot:before{content:"";display:inline-block;width:6px;height:6px;margin-right:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint)}
h1{font-size:clamp(68px,15vw,112px);line-height:.86;margin:.17em 0 .12em;letter-spacing:-.09em;text-shadow:0 10px 35px #0007}h1 span,.eyebrow{color:var(--gold)}
.eyebrow{margin:0;font-weight:900;letter-spacing:.24em;font-size:.68rem}.lead{font-size:clamp(1rem,3.5vw,1.22rem);margin:0;color:#dbe9f6;max-width:26ch}p{line-height:1.45;color:#c7d5e5}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:22px 0 4px}.features span{display:grid;gap:1px;padding:10px 7px;text-align:center;border-radius:14px;background:#ffffff08;border:1px solid #ffffff12;color:#9fb3c9;font-size:.62rem;text-transform:uppercase;letter-spacing:.04em}.features b{font-size:1.2rem;color:#fff;letter-spacing:0}
.controls{display:grid;gap:14px;margin-top:22px}label{display:grid;gap:6px;font-size:.9rem;font-weight:650}.check{display:flex;align-items:center}
button,select{font:inherit;border-radius:12px;border:1px solid #53667f;padding:11px 13px;min-height:46px}select{background:#162a40;color:#fff;width:100%;outline:none}select:focus{border-color:var(--gold);box-shadow:0 0 0 3px #ffc35a20}button{background:linear-gradient(135deg,#ffd476,var(--gold));color:#142136;font-weight:900;cursor:pointer;box-shadow:0 12px 30px #ffc35a25;transition:transform .15s,filter .15s}button:active{transform:scale(.98)}#start{display:flex;justify-content:space-between;align-items:center;padding-inline:18px;letter-spacing:.06em}#start b{font-size:1.3rem}.secondary{background:#263750;color:#fff;box-shadow:none}
.microcopy{text-align:center;font-size:.7rem;margin:14px 0 0;color:#7890aa}
#notice:empty{display:none}#notice{margin:0}
#game{width:100%;height:100dvh;display:flex;gap:3px;justify-content:center;background:#101a2b}#game:not(.split) .arena{max-width:680px}
.arena{flex:1;min-width:0;position:relative;overflow:hidden;display:flex;flex-direction:column;background:#162337}
.hud{display:flex;gap:6px;align-items:center;justify-content:space-between;padding:6px 9px;font-size:clamp(.72rem,2.2vw,.95rem);min-height:48px;flex-wrap:wrap}.hud button{min-height:34px;padding:4px 9px}
canvas{display:block;width:100%;height:0;flex:1;touch-action:none;user-select:none}
.hint{margin:0;padding:6px 8px;text-align:center;font-size:.75rem;min-height:29px}
.shade{position:fixed;inset:0;display:grid;place-items:center;background:#08101bd9;padding:12px}.dialog button{display:block;width:100%;margin-top:8px}
@media(max-height:650px){.panel{padding:16px 22px}.features{margin:12px 0 2px}.features span{padding:6px}.microcopy{display:none}h1{font-size:58px}.controls{gap:7px;margin-top:9px}.hud{min-height:38px}.hint{padding:3px}}
@media(max-width:650px) and (orientation:portrait){#game.split{flex-direction:column}}