:root{--ptg-bar: #10161e;--ptg-bar-text: #e8edf3;--ptg-bar-dim: #9fb0c3;--ptg-felt: #0e4a38;--ptg-accent: #f2c14e;--ptg-seo-bg: #0c1117;--ptg-seo-text: #d6dde6;--ptg-line: rgba(255, 255, 255, .12);--ptg-ease-out: cubic-bezier(.215, .61, .355, 1);--ptg-ease-in-out: cubic-bezier(.645, .045, .355, 1)}.ptg-root{margin:0;background:var(--ptg-seo-bg)}#app-viewport{position:relative;display:flex;flex-direction:column;width:100%;height:100vh;height:100dvh;overflow:hidden;overflow:clip;background:var(--ptg-felt);color:var(--ptg-bar-text);font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app-viewport *,#app-viewport *:before,#app-viewport *:after{box-sizing:border-box}.ptg-top{position:relative;z-index:50;flex:none;height:44px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;column-gap:4px;padding:0 4px;background:var(--ptg-bar);border-bottom:1px solid var(--ptg-line)}.ptg-btn{appearance:none;border:0;background:transparent;color:inherit;font:inherit;cursor:pointer;min-width:44px;min-height:44px;padding:0 8px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;-webkit-tap-highlight-color:transparent}.ptg-btn:hover,.ptg-btn:focus-visible{background:#ffffff14}.ptg-btn:focus-visible,.ptg-brand:focus-visible,.ptg-back:focus-visible,.ptg-menu-item:focus-visible,.ptg-pi:focus-visible{outline:2px solid var(--ptg-accent);outline-offset:-2px}.ptg-brand{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:0 8px;color:var(--ptg-bar-text);font-weight:700;font-size:16px;text-decoration:none;letter-spacing:.2px}.ptg-left{display:flex;align-items:center;gap:2px;min-width:0;justify-self:start;max-width:100%}.ptg-center{position:relative;display:flex;align-items:center;justify-content:center}.ptg-right{display:flex;align-items:center;justify-self:end}.ptg-mode,.ptg-morew,.ptg-langw,.ptg-appmenu{position:relative;min-width:0;flex:none}.ptg-mode{flex:0 1 auto}.ptg-mode-btn{font-size:14px;color:var(--ptg-bar-text);max-width:var(--ptg-mode-max, 100%)}.ptg-mode-prefix{color:var(--ptg-bar-dim)}.ptg-mode-label{min-width:0;overflow:hidden;text-overflow:ellipsis}.ptg-mode-btn:after{content:"▾";flex:none;color:var(--ptg-bar-dim)}.ptg-mode-ico{display:inline-flex;flex:none}.ptg-mode-prefix,.ptg-diff,.ptg-xtra,.ptg-left .ptg-brand{display:none}.ptg-icon-btn{position:relative;padding:0;width:44px}.ptg-ico{display:inline-flex;line-height:0}.ptg-menu{position:absolute;top:100%;left:0;z-index:40;min-width:220px;max-width:calc(100vw - 8px);margin-top:2px;padding:4px;max-height:calc(100vh - 56px);max-height:calc(100dvh - 56px);overflow-y:auto;background:#17202b;border:1px solid var(--ptg-line);border-radius:10px;box-shadow:0 10px 28px #00000073;animation:ptg-pop .18s var(--ptg-ease-out)}.ptg-menu[hidden]{display:none}.ptg-pop-r{left:auto;right:0}.ptg-lang-pop{min-width:200px;max-width:calc(100vw - 56px)}.ptg-pop-c{left:50%;transform:translate(-50%);min-width:240px}.ptg-menu-grp{padding:6px 12px 2px;font-size:13px;color:var(--ptg-bar-dim)}a.ptg-pi,a.ptg-menu-item{text-decoration:none}.ptg-menu-item,.ptg-pi{display:flex;align-items:center;width:100%;min-height:44px;padding:0 12px;border:0;border-radius:8px;background:transparent;color:var(--ptg-bar-text);font:inherit;font-size:15px;text-align:left;cursor:pointer}.ptg-menu-item:hover,.ptg-pi:hover{background:#ffffff14}.ptg-menu-item[aria-checked=true]:after,.ptg-pi[aria-checked=true]:after{content:"✓";margin-left:auto;color:var(--ptg-accent)}.ptg-primary{background:var(--ptg-accent);color:#1b1405;font-weight:600;margin-bottom:4px}.ptg-primary:hover{background:#f6cd6b}.ptg-menu-msg{margin:6px 12px 10px;font-size:14px;color:var(--ptg-bar-dim)}.ptg-sep{border:0;border-top:1px solid var(--ptg-line);margin:4px 0}.ptg-cta{padding:0 4px}.ptg-cta-in{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:17px;background:var(--ptg-accent);color:#1b1405;font-size:14px;font-weight:600;transition:background-color .18s var(--ptg-ease-out)}.ptg-cta:hover,.ptg-cta:focus-visible{background:transparent}.ptg-cta:hover .ptg-cta-in,.ptg-cta:focus-visible .ptg-cta-in{background:#f6cd6b}.ptg-cta-ico{display:inline-flex;line-height:0;flex:none}.ptg-cta-short{display:none}.ptg-capsule{font-size:13px;padding:0 4px}.ptg-capsule[hidden]{display:none}.ptg-pill{display:inline-flex;align-items:center;gap:6px;min-height:30px;padding:0 10px;border-radius:15px;background:#3cc87829;border:1px solid rgba(60,200,120,.5)}.ptg-pulse{width:8px;height:8px;border-radius:50%;background:#3cc878;animation:ptg-breathe 2s var(--ptg-ease-in-out) infinite}.ptg-has-room .ptg-friends-btn{display:none}.ptg-pill:after{content:attr(data-n)}.ptg-capsule .ptg-cap-full{display:none}.ptg-reddot{position:absolute;top:8px;right:8px;width:10px;height:10px;border-radius:50%;background:#ff4d4f;box-shadow:0 0 0 2px var(--ptg-bar)}.ptg-reddot[hidden]{display:none}.ptg-stage{position:relative;flex:1 1 auto;min-height:0;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,color-mix(in srgb,var(--ptg-felt) 82%,#fff 18%),var(--ptg-felt) 70%)}.ptg-dock{position:relative;z-index:20;flex:none;height:40px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 4px 0 12px;background:var(--ptg-bar);border-top:1px solid var(--ptg-line);font-size:14px}.ptg-turn{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ptg-bar-text)}.ptg-guide{align-self:flex-start;margin:-5px 0 0;font-size:13px;color:var(--ptg-accent);flex:none}.ptg-back{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));z-index:60;min-width:44px;min-height:44px;padding:0 16px;border:0;border-radius:22px;cursor:pointer;background:var(--ptg-accent);color:#1b1405;font:600 14px/1 system-ui,sans-serif;box-shadow:0 6px 18px #00000073;opacity:0;visibility:hidden;transform:translateY(16px);pointer-events:none;transition:opacity .28s var(--ptg-ease-out),transform .28s var(--ptg-ease-out),visibility 0s linear .28s}.ptg-back.ptg-back-on{opacity:1;visibility:visible;transform:none;pointer-events:auto;transition-delay:0s}.ptg-seo{background:var(--ptg-seo-bg);color:var(--ptg-seo-text);font:16px/1.75 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;padding:40px 16px 24px}.ptg-article{max-width:820px;margin:0 auto}.ptg-seo h1{font-size:1.9rem;line-height:1.25;margin:0 0 12px;color:#fff}.ptg-seo h2{font-size:1.4rem;line-height:1.3;margin:2.2em 0 .6em;padding-top:.6em;border-top:1px solid var(--ptg-line);color:#fff;scroll-margin-top:8px}.ptg-seo h3{font-size:1.1rem;margin:1.4em 0 .4em;color:#fff}.ptg-seo p,.ptg-seo li{font-size:16px;line-height:1.75}.ptg-seo a{color:var(--ptg-accent)}.ptg-intro{font-size:1.05rem;color:#b8c4d2}.ptg-seo table{border-collapse:collapse;width:100%;margin:1em 0}.ptg-seo th,.ptg-seo td{border:1px solid var(--ptg-line);padding:8px 10px;text-align:left}.ptg-faq{border-bottom:1px solid var(--ptg-line);padding:6px 0}.ptg-faq summary{cursor:pointer;font-weight:600;min-height:44px;display:flex;align-items:center;color:#fff}.ptg-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.ptg-grid li{border:1px solid var(--ptg-line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}.ptg-grid a{font-weight:600;text-decoration:none;min-height:24px}.ptg-grid span{font-size:14px;color:#93a3b6;line-height:1.4}.ptg-foot{max-width:820px;margin:40px auto 0;padding-top:16px;border-top:1px solid var(--ptg-line);font-size:14px;color:#93a3b6}.ptg-foot p{font-size:14px;margin:0 0 6px}.ptg-foot nav a{display:inline-block;min-height:44px;line-height:44px;padding:0 4px}.ptg-app-pop{width:min(280px,calc(100vw - 8px));min-width:0;max-height:min(80vh,calc(100vh - 56px));max-height:min(80dvh,calc(100dvh - 56px));scrollbar-gutter:stable;overscroll-behavior:contain}.ptg-pl{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:flex;flex-direction:column}.ptg-pt,.ptg-ph{min-width:0;overflow:hidden;text-overflow:ellipsis}.ptg-ph{font-size:12px;line-height:16px;color:var(--ptg-bar-dim)}.ptg-ihint{padding:0 12px 4px}.ptg-app-pop [hidden],.ptg-menu [hidden]{display:none!important}.ptg-ip{box-sizing:border-box;width:100%;min-height:44px;padding:0 10px;border:1px solid var(--ptg-line);border-radius:8px;background:#ffffff0f;color:var(--ptg-bar-text);font:inherit;font-size:16px}.ptg-ip::placeholder{color:var(--ptg-bar-dim)}.ptg-ip:focus-visible{outline:2px solid var(--ptg-accent);outline-offset:1px}.ptg-info{padding:4px 12px 8px}.ptg-info .ptg-sec{padding:4px 0 2px}.ptg-it{font-size:14px;line-height:20px;color:var(--ptg-bar-text);white-space:pre-line;overflow-wrap:anywhere}.ptg-mi{flex:none;width:24px;margin-right:8px;text-align:center}.ptg-sec{padding:8px 12px 2px;font-size:13px;color:var(--ptg-bar-dim)}.ptg-sec:not(:first-child){margin-top:2px}.ptg-tg:after,.ptg-tg[aria-checked=true]:after{content:none}.ptg-mt-sw{flex:none;min-width:44px;padding:2px 8px;border-radius:12px;text-align:center;font-size:13px;line-height:20px;background:#ffffff1f;color:var(--ptg-bar-dim);transition:background-color .18s var(--ptg-ease-out),color .18s var(--ptg-ease-out)}.ptg-tg[aria-checked=true] .ptg-mt-sw{background:var(--ptg-accent);color:#1b1405;font-weight:600}.ptg-cv{flex:none;max-width:55%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ptg-accent);font-size:14px}.ptg-cv:after{content:" ↻"}.ptg-segs{display:flex;gap:4px;padding:0 4px 4px}.ptg-seg{flex:1 1 0;min-width:44px;min-height:44px;padding:0 4px;border:1px solid var(--ptg-line);border-radius:8px;background:transparent;color:var(--ptg-bar-text);font:inherit;font-size:14px;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background-color .18s var(--ptg-ease-out)}.ptg-seg:hover{background:#ffffff14}.ptg-seg[aria-checked=true]{background:var(--ptg-accent);border-color:var(--ptg-accent);color:#1b1405;font-weight:600}.ptg-seg:focus-visible{outline:2px solid var(--ptg-accent);outline-offset:1px}.ptg-ext:after{content:"↗";margin-left:auto;color:var(--ptg-bar-dim)}.ptg-avatar{--ptg-av-size: 40px;flex:none;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;width:var(--ptg-av-size);height:var(--ptg-av-size);border-radius:50%;overflow:hidden;background:var(--ptg-av-bg, #2a3644);border:1px solid var(--ptg-av-line, rgba(255, 255, 255, .22));user-select:none}.ptg-avatar>.ptg-avatar-img{display:block;width:100%;height:100%;object-fit:cover;border-radius:50%;-webkit-user-drag:none;pointer-events:none}.ptg-avatar>.ptg-avatar-img.ptg-av-miss{visibility:hidden}.ptg-avatar.ptg-av-miss{position:relative;background:var(--ptg-av-bg, #2a3644)}.ptg-avatar.ptg-av-miss:before{content:"";position:absolute;left:36%;top:20%;width:28%;height:28%;border-radius:50%;background:var(--ptg-av-line, rgba(255, 255, 255, .4))}.ptg-avatar.ptg-av-miss:after{content:"";position:absolute;left:22%;top:54%;width:56%;height:56%;border-radius:50%;background:var(--ptg-av-line, rgba(255, 255, 255, .4))}@keyframes ptg-pop{0%{opacity:0;margin-top:-6px}to{opacity:1;margin-top:2px}}@keyframes ptg-breathe{0%,to{opacity:.35}50%{opacity:1}}@media(min-width:800px){.ptg-has-room .ptg-friends-btn{display:inline-flex}.ptg-capsule{position:absolute;left:100%;top:50%;margin-left:6px;transform:translateY(-50%)}.ptg-pill:after{content:none}.ptg-capsule .ptg-cap-full{display:inline}}@media(min-width:1000px){.ptg-left .ptg-brand,.ptg-mode-prefix,.ptg-diff,.ptg-xtra{display:inline-flex}.ptg-diff{display:block}.ptg-xtra{align-items:center}.ptg-mode-ico,.ptg-menu-m{display:none}.ptg-top{padding:0 8px;column-gap:6px}}@media(min-width:600px)and (max-width:999px){:root{--ptg-mode-max: 11rem}}@media(max-width:599px){.ptg-cta-short{display:inline}.ptg-cta-full{display:none}.ptg-cta-in{padding:0 10px;gap:4px}.ptg-mode-btn{padding:0 6px;gap:4px}.ptg-seo h1{font-size:1.55rem}}@media(max-width:359px){.ptg-cta-short{display:none}.ptg-cta-in{padding:0 9px}.ptg-mode-btn{padding:0 4px}.ptg-capsule{padding:0}.ptg-pill{padding:0 6px}}@media(max-height:520px)and (orientation:landscape){.ptg-top{height:40px}.ptg-dock{height:36px}.ptg-guide{margin-top:-9px}}@media(prefers-reduced-motion:reduce){.ptg-menu,.ptg-pulse{animation:none}.ptg-back{transition:none}}:root{--ptg-felt: color-mix(in srgb, #c1272d 28%, #0b1218);--ptg-accent: #c1272d;--lt: #e4d6b4;--dk: #3a5a47;--board-line: #1d2e25}#game{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:8px}.play{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%}.score{display:flex;gap:12px;justify-content:center;direction:ltr;width:min(100%,var(--s))}.board,.score{--s: min( calc(100vw - 16px) , calc(100dvh - 230px) , 600px)}.who{flex:1 1 0;display:flex;align-items:center;gap:8px;min-height:44px;padding:0 10px;border-radius:10px;background:#ffffff12;color:var(--ptg-bar-text, #fff);font:16px/1.2 system-ui,sans-serif;border:2px solid transparent;transition:border-color .2s var(--ptg-ease-out),background-color .2s var(--ptg-ease-out);min-width:0}.who.turn{border-color:var(--ptg-accent);background:#ffffff21}.who .chip{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.55)}.who.b .chip{background:#1b1f22}.who.r .chip{background:#c1272d}.who .n{font-size:20px;min-width:1.6ch}.who .nm{font-size:14px;opacity:.85;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.board{position:relative;width:var(--s);height:var(--s);direction:ltr;border:2px solid var(--board-line);border-radius:6px;box-sizing:content-box;overflow:hidden;background:var(--lt)}.bg{position:absolute;inset:0;width:100%;height:100%;display:block}.bg .lt{fill:var(--lt)}.bg .dk{fill:var(--dk)}.grid{position:absolute;inset:0;z-index:1;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr)}.sq{appearance:none;position:relative;border:0;border-radius:0;padding:0;margin:0;background:transparent;cursor:pointer;display:block;min-width:0;min-height:0}.sq:focus-visible{outline:3px solid #fff;outline-offset:-3px;background:#ffffff24}.sq.last{background:#ffd16642}.sq.sel{background:#ffffff47;box-shadow:inset 0 0 0 3px #fff}.sq.must{box-shadow:inset 0 0 0 3px #ffd166}.sq.tgt:before{content:"";position:absolute;left:50%;top:50%;width:30%;height:30%;margin:-15% 0 0 -15%;border-radius:50%;background:#ffffff8c;box-shadow:0 0 0 2px #00000040}.sq.shake{animation:shake .28s var(--ptg-ease-out)}.pieces{position:absolute;inset:0;pointer-events:none;z-index:2}.pc{position:absolute;left:0;top:0;width:12.5%;height:12.5%;transform:translate(calc(var(--c) * 100%),calc(var(--r) * 100%));transition:transform var(--move-ms, .26s) var(--ptg-ease-out)}.pc.lift{z-index:2}.pc svg{position:absolute;inset:6%;width:88%;height:88%;overflow:visible;transition:transform var(--cap-ms, .24s) var(--ptg-ease-out),opacity var(--cap-ms, .24s) var(--ptg-ease-out)}.pc.gone svg{transform:scale(.3);opacity:0}.pc.crowned svg{animation:crown var(--crown-ms, .3s) var(--ptg-ease-out)}.pc-edge{fill:#00000073}.pc[data-s=b] .pc-body{fill:#1b1f22;stroke:#7e8e97;stroke-width:3}.pc[data-s=b] .pc-ring{fill:none;stroke:#4b585f;stroke-width:3}.pc[data-s=r] .pc-body{fill:#c1272d;stroke:#ff9d9d;stroke-width:3}.pc[data-s=r] .pc-ring{fill:none;stroke:#8f1b20;stroke-width:3}.pc-shine{fill:#fff;opacity:.16}.pc-crown{fill:#ffd166;stroke:#6b4a00;stroke-width:2.5;stroke-linejoin:round;display:none}.pc.king .pc-crown{display:block}.pieces.instant .pc,.pieces.instant .pc svg{transition:none}@keyframes crown{0%{transform:scale(.6)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}30%{transform:translate(-3px)}65%{transform:translate(3px)}}.msg{min-height:24px;font-size:16px;line-height:1.3;color:var(--ptg-bar-text, #fff);text-align:center;max-width:min(100%,640px)}.again{appearance:none;border:0;border-radius:10px;min-height:44px;padding:0 20px;background:var(--ptg-accent);color:#fff;font:700 16px system-ui,sans-serif;cursor:pointer}.again[hidden]{display:none}@media(prefers-reduced-motion:reduce){.pc,.pc svg,.pc.crowned svg,.sq.shake{animation:none;transition:none}}