:root{--blue:#1b3fbf;--navy:#0b1f5c;--gold:#f5b700;--bg:#f3f5fb;--card:#fff;--ink:#121a33;--mute:#5d6886;--line:#dfe4f1;--p0:#e23b3b;--p1:#1b3fbf;--sb:env(safe-area-inset-bottom);--st:env(safe-area-inset-top)}
@media (prefers-color-scheme:dark){:root{--bg:#070d22;--card:#111a3a;--ink:#eef2ff;--mute:#9aa6c8;--line:#24305a}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:calc(10px + var(--st)) 16px 10px;background:linear-gradient(90deg,var(--navy),var(--blue));color:#fff;font-size:20px}
header b span{color:var(--gold)}#me{font-size:13px;opacity:.9}
main{padding:14px 14px calc(90px + var(--sb));max-width:640px;margin:auto;outline:none}
body.embed header,body.embed nav{display:none}body.embed main{padding:10px}
nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--card);border-top:1px solid var(--line);padding-bottom:var(--sb);z-index:10}
nav button{flex:1;border:0;background:none;color:var(--mute);font-size:11px;padding:7px 0;display:flex;flex-direction:column;align-items:center;min-height:54px}
nav button i{font-style:normal;font-size:21px}nav button.on{color:var(--blue);font-weight:700}
@media (prefers-color-scheme:dark){nav button.on{color:var(--gold)}}
h1{font-size:22px;margin:4px 0 10px}h2{font-size:17px;margin:18px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;margin-bottom:10px}
.hero{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-radius:18px;padding:16px;margin-bottom:12px}.hero p{margin:4px 0 0;opacity:.9}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.game{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;text-align:center;cursor:pointer}
.game .ic{font-size:40px;display:block;height:52px;line-height:52px}.game b{display:block}.game small{color:var(--mute)}
.row{display:flex;align-items:center;gap:10px;padding:10px;background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:8px}
.row .av{width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none}
.row .mid{flex:1;min-width:0}.row small{color:var(--mute);display:block}
.btn{border:0;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;padding:11px 16px;font-size:15px;min-height:44px;cursor:pointer}
.btn.alt{background:var(--card);color:var(--ink);border:1px solid var(--line)}.btn.gold{background:var(--gold);color:#111}.btn.sm{padding:7px 11px;min-height:34px;font-size:13px}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
input,select{width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:16px}
.stat{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stat div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center;font-size:12px;color:var(--mute)}.stat b{display:block;font-size:20px;color:var(--ink)}
.badge{display:inline-block;padding:3px 8px;border-radius:10px;font-size:11px;font-weight:700;background:#e7ecff;color:var(--blue)}.badge.turn{background:#fff1c2;color:#7a5600}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + var(--sb));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;z-index:50;max-width:90%;text-align:center}
.hidden{display:none !important}.muted{color:var(--mute);font-size:14px}.center{text-align:center}
.vs{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-weight:700}.vs .p0{color:var(--p0)}.vs .p1{color:var(--p1)}.vs .on{text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:3px}
.status{text-align:center;font-weight:700;margin:8px 0}
.hint{text-align:center;color:var(--mute);font-size:14px;margin:6px 0}
.ttt{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:330px;margin:auto}
.ttt .cell{aspect-ratio:1;border-radius:16px;border:0;background:var(--card);font-size:54px;font-weight:900;color:var(--ink);box-shadow:inset 0 0 0 2px var(--line)}
.cell.p0{color:var(--p0)}.cell.p1{color:var(--p1)}.hot{background:#fff1c2 !important}
.c4{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;background:var(--blue);padding:8px;border-radius:16px;max-width:420px;margin:auto}
.disc{aspect-ratio:1;border-radius:50%;border:0;background:#0b1f5c}.disc.p0{background:var(--p0)}.disc.p1{background:var(--gold)}.disc.drop{animation:drop .35s ease-in}
@keyframes drop{from{transform:translateY(-200%)}to{transform:none}}
.board8{display:grid;grid-template-columns:repeat(8,1fr);max-width:440px;margin:auto;border-radius:10px;overflow:hidden;border:4px solid #3b2a17}
.sq{aspect-ratio:1;display:flex;align-items:center;justify-content:center;position:relative}.sq.lt{background:#ecd9b6}.sq.dk{background:#a9774a}
.chess .sq.lt{background:#e9edf8}.chess .sq.dk{background:#7d93cf}
.sq.sel{box-shadow:inset 0 0 0 4px var(--gold)}.sq.tgt::after{content:"";width:30%;height:30%;border-radius:50%;background:rgba(245,183,0,.75);position:absolute}
.sq.lastmv{filter:brightness(1.12)}.sq.check{background:#ff6b6b !important}
.ck{width:78%;height:78%;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;box-shadow:inset 0 -4px 0 rgba(0,0,0,.25)}.ck.p0{background:var(--p0)}.ck.p1{background:#222}
.pc{font-size:min(9vw,40px);line-height:1}.pc.w{color:#fff;text-shadow:0 0 2px #000,0 0 1px #000}.pc.b{color:#111}
.poolwrap,.pongwrap{display:flex;justify-content:center}canvas.pool{width:100%;max-width:640px;border-radius:12px;touch-action:none}canvas.pong{width:100%;max-width:360px;border-radius:16px;touch-action:none}
.shotrow{display:flex;gap:10px;align-items:center;max-width:640px;margin:10px auto}.power{flex:1;accent-color:var(--gold)}
.avs{display:flex;gap:8px;flex-wrap:wrap}.avs button{width:48px;height:48px;border-radius:50%;border:2px solid transparent;font-size:24px;background:var(--card)}.avs button.on{border-color:var(--gold)}