:root{ --blue:#1f6fff; --blue-dark:#2152b1; --paper:#fafafa; --grey:#595959; --gold:#f6d69a; --ink:#111; --line:#e6e6e6; --soft:#eef3fd; }
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{background:var(--paper);color:var(--ink);font-family:Gotham,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;background-image:radial-gradient(900px 420px at 12% -8%,rgba(31,111,255,.13),rgba(31,111,255,0) 72%),radial-gradient(760px 400px at 92% -4%,rgba(31,111,255,.08),rgba(31,111,255,0) 72%),radial-gradient(700px 500px at 4% 104%,rgba(246,214,154,.22),rgba(246,214,154,0) 70%);background-repeat:no-repeat;background-attachment:fixed}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px min(4vw,22px);border-bottom:1px solid var(--line);background:#fff}
.topbar .brand{font-size:13px;letter-spacing:.18em;font-weight:bold;color:var(--ink);text-transform:uppercase}
.topbar a{font-size:13px;color:var(--blue);text-decoration:none;font-weight:bold}
main{width:min(96vw,980px);margin:0 auto;padding:min(4vw,22px) 0 48px}
.head{margin-bottom:14px}
.head h1{font-size:clamp(22px,5.4vw,34px);line-height:1.15;letter-spacing:-.4px}
.head p{color:var(--grey);font-size:clamp(13px,3.4vw,15px);margin-top:6px;line-height:1.55}
.grid{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
@media(min-width:820px){ .grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start;gap:22px} }
.boardwrap{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px}
#board{position:relative;width:100%;aspect-ratio:1/1;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);border-radius:8px;overflow:hidden;user-select:none}
.sq{position:relative;display:flex;align-items:center;justify-content:center}
.sq.l{background:#ffffff}.sq.d{background:var(--soft)}
.sq .c{position:absolute;font-size:9px;font-weight:bold;opacity:.6;pointer-events:none}
.sq .c.r{top:2px;left:3px}.sq .c.f{bottom:2px;right:3px}
.sq.l .c{color:#b9c0cc}.sq.d .c{color:#8f9bb3}
.sq.sel::after{content:'';position:absolute;inset:0;background:rgba(31,111,255,.14);box-shadow:inset 0 0 0 2px var(--blue)}
.sq.last::before{content:'';position:absolute;inset:0;background:rgba(246,214,154,.55)}
.sq.chk::after{content:'';position:absolute;inset:0;background:radial-gradient(circle,rgba(214,58,58,.42) 26%,transparent 70%)}
.dot{position:absolute;width:26%;height:26%;border-radius:50%;background:rgba(31,111,255,.32);pointer-events:none}
.ring{position:absolute;inset:7%;border-radius:50%;border:3px solid rgba(31,111,255,.35);pointer-events:none}
.pc{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);line-height:1;pointer-events:none;font-size:calc(var(--sq,44px) * .78)}
.pc.w{color:#ffffff;-webkit-text-stroke:1.15px #10131a;text-shadow:0 3px 4px rgba(17,19,26,.22)}
.pc.b{color:#10131a;text-shadow:0 0 1px #fff,0 3px 4px rgba(17,19,26,.18)}
.pc.kraken{width:calc(var(--sq,40px)*.88);height:calc(var(--sq,40px)*.88)}
.pc.kraken svg{width:100%;height:100%;display:block;overflow:visible}
.pc.kraken .kbody{fill:currentColor}
.pc.kraken .ktent{fill:none;stroke:currentColor;stroke-width:9;stroke-linecap:round}
.pc.kraken .keye{fill:#fafafa}
.pc.w.kraken svg{filter:drop-shadow(0 0 1px #111) drop-shadow(0 1px 2px rgba(17,19,26,.35))}
.pc.w.kraken .keye{fill:#111}
.pc.b.kraken svg{filter:drop-shadow(0 0 1px rgba(255,255,255,.85))}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.status{font-size:14px;font-weight:bold;color:var(--blue-dark);min-height:20px;text-align:center}
.clocks{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0 0}
.clock{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:8px 10px;text-align:center}
.clock .who{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);font-weight:bold}
.clock .t{font-size:clamp(18px,5vw,24px);font-weight:bold;font-variant-numeric:tabular-nums}
.clock.on{border-color:var(--blue)}
.clock.on .t{color:var(--blue)}
.rowlabel{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--grey);font-weight:bold;margin:16px 0 7px}
.levels{display:flex;gap:8px}
.levels button{flex:1;padding:9px 0;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:bold;font-size:13px;cursor:pointer;font-family:inherit}
.levels .fixed{flex:1;text-align:center;padding:9px 0;border-radius:10px;background:var(--soft);border:1px solid var(--line);color:var(--ink);font-weight:bold;font-size:13px}
.hintline{font-size:11.5px;color:var(--grey);margin-top:6px}
.taken{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:19px;min-height:26px}
.taken .adv{font-size:12px;color:var(--blue-dark);font-weight:bold}
#moves{max-height:150px;overflow-y:auto;font-size:13px;font-variant-numeric:tabular-nums;border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:6px 10px}
#moves table{width:100%;border-collapse:collapse}
#moves td{padding:3px 4px;color:#333}
#moves td.n{color:#9aa3b0;width:30px}
#moves tr:last-child td{background:rgba(31,111,255,.07);font-weight:bold}
.btns{display:flex;gap:8px;margin-top:16px}
.btn{flex:1;padding:12px 0;border:none;border-radius:10px;font-size:14px;font-weight:bold;font-family:inherit;background:var(--blue);color:#fff;cursor:pointer}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.gold{background:var(--gold);color:var(--ink)}
.btn:disabled{opacity:.45}
.note{font-size:11.5px;color:var(--grey);line-height:1.55;margin-top:12px}
#veil{position:fixed;inset:0;background:rgba(17,19,26,.5);display:none;align-items:center;justify-content:center;padding:18px;z-index:40}
#veil.on{display:flex}
#veil .card{background:#fff;border-radius:16px;padding:24px 22px;max-width:420px;width:100%;text-align:center;box-shadow:0 24px 60px rgba(17,19,26,.3)}
#veil h2{font-size:clamp(20px,5vw,26px);letter-spacing:-.3px}
#veil p{font-size:14px;color:#333;line-height:1.6;margin:10px 0}
#veil .code{font-family:monospace;font-size:11.5px;color:var(--grey);background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px;margin-top:12px;word-break:break-all;text-align:left;max-height:110px;overflow:auto}
@media(max-width:560px){ .boardwrap{padding:6px;border-radius:12px} .panel{padding:12px} .levels button{font-size:12px;padding:9px 0} }

#gate{position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;background:rgba(17,17,17,.55);padding:16px}
#gate.off{display:none}
#gate .gatecard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;max-width:min(92vw,400px);text-align:center;box-shadow:0 24px 60px rgba(17,17,17,.3)}
#gate h2{font-size:20px;margin:6px 0 8px}
#gate p{font-size:13.5px;color:var(--grey);line-height:1.6;margin-bottom:14px}
#gate .tag{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);font-weight:bold}
#gate .cf-turnstile{display:flex;justify-content:center;min-height:66px}
.gateerr{color:#c0392b;font-size:12.5px;min-height:18px;margin-top:10px}

/* Card after a win: the player enters their wallet, text is in English. */
#winCode{position:fixed;inset:0;background:rgba(17,17,17,.55);display:none;align-items:center;justify-content:center;padding:16px;z-index:60}
#winCode.on{display:flex}
#winCode .card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;max-width:min(92vw,420px);width:100%;text-align:center;box-shadow:0 24px 60px rgba(17,17,17,.3)}
#winCode h2{font-size:20px;margin:6px 0 8px}
#winCode p{font-size:13.5px;color:var(--grey);line-height:1.6;margin-bottom:14px}
#winCode .tag{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);font-weight:bold}
#winCode input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:13.5px;text-align:center;margin-bottom:12px}

/* Account name field on the gate card. */
#gate input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:13.5px;text-align:center;margin-bottom:12px}
#gate .rowlabel{margin:4px 0 7px}

/* The card a machine player is shown. Tilted on purpose, so it is not mistaken for a passing
   error: the place is gone and the account cannot take another one. */
.blockcard{position:fixed;inset:0;background:rgba(12,12,14,.74);display:none;align-items:center;justify-content:center;padding:18px;z-index:9999}
.blockcard.on{display:flex}
.blockcard-in{background:#fff;border:3px solid #111;padding:26px 22px;max-width:540px;transform:rotate(-7deg);box-shadow:16px 16px 0 rgba(0,0,0,.34)}
.blockcard-tag{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#c0392b;font-weight:bold}
.blockcard-title{font-size:clamp(40px,13vw,74px);font-weight:800;letter-spacing:-.02em;line-height:.94;margin:10px 0 12px;color:#111}
.blockcard p{font-size:14px;line-height:1.65;color:#444;margin:0}