:root{color-scheme:light;--ink:#17355b;--muted:#536d8d;--accent:#336ce6;--accent-deep:#2351b3;--glass:#ffffffc9;--line:#ffffffc9;--gold:#edb832;--light:#ecf7ff;--dark:#7cadd9;--board-size:min(700px,calc(100dvh - 264px));font-family:'Segoe UI',Arial,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;min-height:100dvh;color:var(--ink);background:#d4eefa;isolation:isolate}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;touch-action:manipulation}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #2160de;outline-offset:4px}button{transition:transform .16s,background .2s,box-shadow .2s}button:hover:not(:disabled){transform:translateY(-2px)}button:active:not(:disabled){transform:translateY(1px)}.world{position:fixed;inset:0;z-index:-3;pointer-events:none;background:radial-gradient(ellipse at 55% 10%,#fff 0,transparent 60%),linear-gradient(125deg,#c6edff,#eef6ff 52%,#b3dbfb)}.world:before,.world:after{content:'';position:absolute;inset:0;background-size:cover;background-position:center;transition:opacity 1s}.world:before{background-image:url('assets/marble-world-hd.webp');opacity:.9}.world:after{background-image:url('assets/gold-world-hd.webp');opacity:0}.gold-world .world:after{opacity:1}.gold-world{--accent:#c18213;--accent-deep:#98600c;--ink:#594019;--muted:#796644;--light:#fff9e9;--dark:#dbbd73;background:#f5e5be}.ambient-drops{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}.drop{position:absolute;width:var(--size);height:var(--size);left:var(--x);top:var(--y);border-radius:50%;border:1px solid #ffffffb0;background:radial-gradient(circle at 30% 25%,#fff9 0,#fff2 17%,transparent 35%),radial-gradient(circle at 70% 80%,#519de844,transparent 50%);box-shadow:inset -5px -7px 12px #77b2d544,inset 3px 4px 7px #fffd,2px 9px 16px #719cbd22;backdrop-filter:blur(1px);animation:float-drop var(--speed) ease-in-out infinite alternate;animation-delay:var(--delay)}.gold-world .drop{background:radial-gradient(circle at 30% 25%,#ffffffe0,transparent 32%),radial-gradient(circle at 70% 80%,#e8b84455,transparent 50%);box-shadow:inset -5px -7px 12px #c6932a33,inset 3px 4px 7px #fffd,2px 9px 16px #a17e3522}@keyframes float-drop{to{transform:translate(15px,-35px) rotate(14deg)}}.app-shell{max-width:1432px;margin:auto;padding:0 38px}.topbar{height:85px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffffc0}.brand{display:flex;align-items:center;gap:11px;color:#163a72;text-decoration:none;font-size:19px;font-weight:950;letter-spacing:-.6px;line-height:1.02}.brand-mark{font:44px 'Segoe UI Symbol',serif;display:grid;place-items:center;width:57px;height:57px;background:linear-gradient(150deg,#fff8c9,#ffd66a 50%,#e9a920);color:#8d5915;border:2px solid #fff8da;border-radius:18px;box-shadow:0 4px 0 #bb80194d,0 7px 15px #b58a3426;transform:rotate(-7deg)}.brand-sub{display:block;font-size:12px;letter-spacing:4px;font-weight:700;margin-top:7px;color:#4874aa}.header-right{display:flex;gap:24px;align-items:center}.edition{font-size:12px;font-weight:650;letter-spacing:1.5px;color:#5b7b9e}.quiet{padding:11px 17px;border-radius:25px;border:2px solid #fff;background:#ffffffb3;box-shadow:0 4px 13px #638fbc16;color:var(--ink);font-size:14px;font-weight:650}.quiet span{margin-left:14px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.8px;color:var(--accent)}main{display:grid;grid-template-columns:minmax(0,var(--board-size)) 310px;gap:36px;justify-content:center;align-items:start;padding:21px 0 20px}.play-area{min-width:0}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.section-heading .eyebrow{display:none}h1{font-size:28px;line-height:1.2;letter-spacing:-1px;font-weight:850;margin:0}.live-label{font-size:11px;font-weight:750;letter-spacing:.5px;border:1px solid #ffffffdd;background:#ffffff9c;border-radius:20px;padding:7px 11px;white-space:nowrap;color:var(--accent)}.player-row{display:flex;align-items:center;gap:10px;height:49px;padding:0 7px}.avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;font:27px 'Segoe UI Symbol',serif;border:2px solid #ffffffc9;box-shadow:0 2px 5px #4267981a}.avatar.black{background:linear-gradient(135deg,#5389e1,#143c82);color:white}.avatar.white{background:linear-gradient(135deg,#fff,#c9e6ff);color:#4477a9}.player-row strong{font-size:14px;display:block;font-weight:750}.player-row>div>span{display:block;font-size:11px;color:var(--muted);margin-top:2px}.player-side{font-size:10px;font-weight:800;letter-spacing:1px;margin-left:auto;color:var(--muted)}.captured{font:20px 'Segoe UI Symbol',serif;letter-spacing:-3px;max-width:43%;overflow:hidden;color:#244e85}.board-wrap{position:relative;padding:12px;background:linear-gradient(140deg,#ffffffff,#eaf6ffcc 48%,#ffffffdc);border:2px solid #fff;border-radius:18px;box-shadow:0 8px 0 #85b3d9,0 12px 0 #5f8eb74d,0 24px 45px #427ba52b,inset 0 2px 3px white;transition:box-shadow 1s,background 1s}.gold-world .board-wrap{box-shadow:0 8px 0 #bc954a,0 12px 0 #b18c4d44,0 24px 45px #88681b2b,inset 0 2px 3px white;background:linear-gradient(140deg,#fffdf3,#f4e4bd 50%,#fff9e8)}.board{display:grid;grid-template-columns:repeat(8,1fr);width:100%;aspect-ratio:1;overflow:hidden;border-radius:9px;border:1px solid #6899c838;box-shadow:inset 0 0 0 2px #fff6}.sq{position:relative;display:grid;place-items:center;border:0;border-radius:0;padding:0;aspect-ratio:1;isolation:isolate;background:linear-gradient(145deg,#ffffff8f,transparent 65%),var(--light);color:var(--ink);box-shadow:inset 0 0 0 1px #ffffff15;transition:background .4s}.sq.dark{background:linear-gradient(145deg,#ffffff35,transparent 70%),var(--dark)}.sq:hover:not(:disabled){transform:none;box-shadow:inset 0 0 0 3px #fff9}.sq:focus-visible{outline-offset:-4px;z-index:5}.sq.selected{background:#84dcec!important;box-shadow:inset 0 0 0 3px #1674cb!important}.sq.last{background:#cedef8}.sq.dark.last{background:#8fb6e5}.gold-world .sq.last{background:#f6e7ad}.gold-world .sq.dark.last{background:#e2c867}.sq.legal:after{content:'';position:absolute;width:22%;height:22%;background:#1b5ca477;border:2px solid #ffffff99;border-radius:50%;z-index:4;pointer-events:none}.sq.capture:after{width:90%;height:90%;background:transparent;border:4px solid #2766bca8}.sq.fusion:after{width:91%;height:91%;background:transparent;border:3px dashed #fff19b;box-shadow:0 0 12px #ffcb42,inset 0 0 12px #ffcb42}.sq.checked{background:#ef9c91!important}.coord{position:absolute;z-index:6;font-size:10px;font-weight:800;line-height:1;color:#527ea6;pointer-events:none}.dark .coord{color:#f9fcff}.rank{top:4px;left:4px}.file{bottom:3px;right:4px}.piece{display:block;font:clamp(36px,5vw,69px)/1 'Segoe UI Symbol',serif;position:relative;z-index:2;user-select:none;pointer-events:none;transition:transform .2s;filter:drop-shadow(0 4px 2px #23436938)}.piece.w{color:#fff;-webkit-text-stroke:1px #6f95b6}.piece.b{color:#1e4d92;-webkit-text-stroke:1px #1b3b6f}.piece.golden{color:#f9c52d;-webkit-text-stroke:1px #986313;filter:drop-shadow(0 0 5px #f1b92999)}.sprite-ready .piece{font-size:0;line-height:0;color:transparent;-webkit-text-stroke:0;width:96%;height:96%;background-image:url('assets/marble-pieces.png');background-size:700% 200%;background-repeat:no-repeat;background-position:var(--col) var(--row);filter:drop-shadow(0 3px 1.5px #264e7833)}.sprite-ready .piece.w{--row:0%}.sprite-ready .piece.b{--row:100%}.piece[data-type=k]{--col:0%}.piece[data-type=q]{--col:16.666667%}.piece[data-type=r]{--col:33.333333%}.piece[data-type=b]{--col:50%}.piece[data-type=n]{--col:66.666667%}.piece[data-type=p]{--col:83.333333%}.piece[data-type=g]{--col:100%}.sprite-ready .piece.golden{filter:drop-shadow(0 0 5px #edb421bb)}.sq.selected .piece{transform:translateY(-3px) scale(1.04)}.gold-star{position:absolute;right:5%;top:4%;z-index:6;color:#fff5bd;text-shadow:0 1px 2px #7d550a;font-size:15px;pointer-events:none}.bottom-player{margin-top:11px}.board-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:5px 5px 0}.board-toolbar>span{font-size:12px;font-weight:550;color:var(--muted);line-height:1.4}.board-toolbar>div{display:flex;gap:5px}.icon-button{display:grid;place-items:center;background:#ffffffad;border:1px solid #fff;color:#426b9e;border-radius:11px;width:33px;height:33px;font-size:24px;box-shadow:0 3px 0 #75a1c325}.icon-button.on{background:#d8e9ff;color:#245cc6;border-color:#bfd9fc}.sidebar{display:flex;flex-direction:column;gap:16px;padding-top:0}.turn-panel,.history-panel{background:var(--glass);border:2px solid #fff;border-radius:23px;box-shadow:0 8px 28px #6799c41a;backdrop-filter:blur(20px)}.turn-panel{padding:23px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.panel-heading>span:last-child{font-size:10px;font-weight:750;letter-spacing:1px;color:var(--muted)}.turn-status{display:flex;align-items:center;gap:11px;margin-top:18px}.turn-status h2{font-size:25px;letter-spacing:-.8px;font-weight:800;line-height:1.18;margin:0}.turn-dot{width:16px;height:16px;border:2px solid white;background:linear-gradient(145deg,#fff,#c4dffa);box-shadow:0 1px 5px #456cac66;border-radius:50%;flex-shrink:0}.turn-dot.black{background:linear-gradient(145deg,#65a3f7,#16478f)}.turn-dot.gold{background:linear-gradient(145deg,#fff8a5,#edaf0c)}.turn-panel>p{font-size:13px;line-height:1.6;color:var(--muted);margin:9px 0 20px;min-height:21px}.mode-switch{display:flex;gap:3px;padding:4px;background:#e7eff8;border:1px solid #e2eaf5;border-radius:14px;margin-bottom:12px}.mode-switch>button{flex:1;padding:10px 0;font-size:12px;white-space:nowrap;font-weight:650;color:#5c7393;background:transparent;border:0;border-radius:10px}.mode-switch>button.active{background:#fff;color:#245eb9;box-shadow:0 2px 7px #395e8b17}.primary-button{display:flex;align-items:center;justify-content:space-between;width:100%;border:1px solid #80a7ff;border-bottom:3px solid #2455b3;background:linear-gradient(160deg,#4c8af5,#3671e0);color:#fff;border-radius:14px;padding:13px 16px;font-size:14px;font-weight:750;box-shadow:0 4px 10px #316dde28}.primary-button>span{font-size:21px;font-weight:500}.primary-button:hover:not(:disabled){box-shadow:0 7px 13px #316dde35}.secondary-button{border:1px solid #ccddef;border-radius:12px;color:var(--ink);padding:13px;background:#fff;font-size:14px}#end-turn,#claim-draw{margin-top:10px}.gold-card{position:relative;overflow:hidden;border:2px solid #fff6c6;border-radius:23px;padding:23px;background:radial-gradient(ellipse at 90% 12%,#fffbc3,transparent 65%),linear-gradient(135deg,#fff8db,#ffe9a7);box-shadow:0 6px 0 #e2bf6b33,0 10px 23px #bd9c4a15}.gold-card .eyebrow{color:#92671c;font-size:10px}.gold-card h2{font-size:28px;line-height:1.08;letter-spacing:-.9px;font-weight:850;color:#7c531a;margin:20px 0 12px;position:relative;max-width:205px}.gold-card p{font-size:13px;line-height:1.65;color:#876b38;max-width:245px;position:relative;margin:0}.gold-emblem{position:absolute;right:-12px;top:25px;font:100px 'Segoe UI Symbol',serif;color:#d8992566;transform:rotate(12deg);pointer-events:none}.gold-emblem>span{position:absolute;top:3px;right:9px;font:18px Arial}.sprite-ready .gold-emblem{font-size:0;width:110px;height:120px;background:url('assets/marble-pieces.png') 100% 0%/700% 200%;opacity:.38}.fusion-diagram{display:flex;gap:12px;align-items:center;padding:14px 0;margin-top:7px;border-bottom:1px solid #d4ae5c44}.fusion-diagram>span{font:32px 'Segoe UI Symbol',serif;color:#967d4f}.fusion-diagram b{font-size:14px;font-weight:600;color:#b4985c}.fusion-diagram .gold-mini{color:#dca212;position:relative}.gold-mini small{position:absolute;right:-7px;top:0;font:12px Arial}.fusion-diagram i{font-size:28px;font-weight:850;font-style:normal;color:#a77315;margin-left:auto;line-height:.95}.fusion-diagram i small{font-size:8px;font-weight:750;letter-spacing:1px;display:block;margin-top:6px}.text-button{border:0;background:transparent;color:#8b5c0f;padding:14px 0 0;width:100%;display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:750}.history-panel{overflow:hidden}.history-panel .panel-heading{padding:17px 20px}h3{margin:0;font-size:14px;font-weight:750}.history-labels{display:grid;grid-template-columns:24px 1fr 1fr;gap:8px;padding:8px 20px;background:#e4eff97a;color:#5d7899;font-size:9px;font-weight:750;letter-spacing:1px}.history-list{height:105px;overflow:auto;scrollbar-width:thin;scrollbar-color:#afc9e5 transparent}.empty-history{text-align:center;font-size:12px;font-weight:550;color:#6280a1;padding-top:26px}.empty-history>span{display:block;font-size:11px;color:#8c9fb4;margin-top:6px}.history-row{display:grid;grid-template-columns:24px 1fr 1fr;gap:8px;padding:9px 20px;font-size:11px;font-weight:600;line-height:1.5;border-bottom:1px solid #e5edf5}.history-row>span{overflow-wrap:anywhere}.history-row>span:first-child{color:#819bb8}.history-row:last-child{background:#e8f0ff;color:#2f619f}footer{display:flex;justify-content:space-between;align-items:center;padding:15px 0;color:#5e80a2;font-size:11px;border-top:1px solid #ffffffb0}footer>span:first-child{font-size:10px;font-weight:800;letter-spacing:1.2px}footer>button{border:0;background:none;font-size:12px;color:var(--muted)}dialog{background:#f7fbff;color:var(--ink);border:2px solid white;padding:0;border-radius:26px;max-width:560px;width:calc(100% - 30px);box-shadow:0 30px 100px #3154814d}dialog::backdrop{background:#264a754a;backdrop-filter:blur(10px)}.dialog-inner{padding:33px;position:relative}.dialog-inner h2{font-size:33px;letter-spacing:-1px;line-height:1.1;margin:14px 0}.dialog-inner p,.dialog-inner li{font-size:14px;line-height:1.75;color:#58718d}.dialog-inner ol{padding-left:20px}.dialog-inner li{margin-bottom:15px;padding-left:5px}.dialog-inner strong{color:#244f87}.dialog-inner .rules-note{font-size:12px;color:#6b8198}.close-dialog{position:absolute;right:15px;top:12px;font-size:27px;background:none;border:0;color:var(--muted)}.dialog-actions{display:flex;gap:12px;margin-top:23px}.dialog-actions>*{flex:1}.toast{position:fixed;z-index:50;left:50%;bottom:24px;transform:translate(-50%,15px);opacity:0;pointer-events:none;transition:.25s;background:#fff;border:1px solid #d5e6f5;box-shadow:0 8px 24px #40658d30;border-radius:18px;padding:14px 23px;max-width:calc(100vw - 30px);width:max-content;text-align:center;font-size:13px;font-weight:650;color:#305779}.toast.show{opacity:1;transform:translate(-50%,0)}.hidden{display:none!important}#promotion-options{display:flex;gap:10px}#promotion-options>button{flex:1;border:1px solid #c7dcf0;background:#e2effb;border-radius:15px;color:#265185;font:45px 'Segoe UI Symbol',serif;padding:14px 0}.thinking .turn-dot{animation:think 1s infinite}@keyframes think{50%{opacity:.4;transform:scale(.8)}}.inline-end{display:none}
/* One second of transformation, anchored to the actual board square. */
.fusion-scene{position:fixed;inset:0;z-index:40;pointer-events:none;overflow:hidden}.fusion-scene[hidden]{display:none}.fusion-aura{position:absolute;left:var(--fx-x);top:var(--fx-y);width:32px;height:32px;border-radius:50%;background:radial-gradient(circle,#fffadc 0,#ffd15988 30%,transparent 72%);animation:gold-aura 1s ease-out both}.fusion-ring{position:absolute;left:var(--fx-x);top:var(--fx-y);width:40px;height:40px;border-radius:50%;border:3px solid #fff0a5;box-shadow:0 0 25px #ffcb46,inset 0 0 20px #fff2bd;animation:gold-ring 1s ease-out both}.fusion-ring.second{animation-delay:.12s}.fusion-spark{position:absolute;left:var(--fx-x);top:var(--fx-y);color:#fff4b7;text-shadow:0 0 9px #d99100;font-size:var(--spark-size);animation:gold-spark 1s cubic-bezier(.12,.5,.3,1) both}.fusion-label{position:absolute;left:50%;top:17%;transform:translateX(-50%);padding:13px 25px;background:linear-gradient(120deg,#fff9d9,#ffe18b);border:2px solid white;border-radius:40px;box-shadow:0 7px 35px #b7842144;color:#8c5a0b;font-size:clamp(19px,3vw,31px);font-weight:900;letter-spacing:-.7px;white-space:nowrap;animation:gold-label 1s both}.fusion-label small{display:block;text-align:center;font-size:10px;letter-spacing:2px;color:#a3792e;margin-top:3px}.fusing .sq.fusion-origin .piece{animation:knight-gild 1s cubic-bezier(.2,.6,.3,1) both}.fusing #board{cursor:wait}.fusing .sq{cursor:wait}.gold-world .gold-card{box-shadow:0 0 30px #ffe8a8;outline:1px solid #efd67e}@keyframes knight-gild{0%{transform:scale(.85);filter:grayscale(1) brightness(1.8)}30%{transform:translateY(-12px) scale(1.18);filter:brightness(2) drop-shadow(0 0 10px #fff5ad)}65%{transform:translateY(-7px) scale(1.15);filter:brightness(1.2) drop-shadow(0 0 20px #ffd238)}100%{transform:translateY(0) scale(1)}}@keyframes gold-aura{0%{transform:translate(-50%,-50%) scale(1);opacity:0}40%{opacity:.75}100%{transform:translate(-50%,-50%) scale(22);opacity:0}}@keyframes gold-ring{0%{transform:translate(-50%,-50%) scale(.3);opacity:0}25%{opacity:1}100%{transform:translate(-50%,-50%) scale(8);opacity:0}}@keyframes gold-spark{0%{transform:translate(-50%,-50%) scale(0);opacity:0}25%{opacity:1}100%{transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) rotate(100deg) scale(.4);opacity:0}}@keyframes gold-label{0%{opacity:0;translate:0 12px;scale:.85}25%,72%{opacity:1;translate:0 0;scale:1}100%{opacity:0;translate:0 -10px;scale:1.04}}
@media(min-width:1000px) and (max-height:850px){:root{--board-size:min(600px,calc(100dvh - 260px))}.topbar{height:68px}.brand-mark{height:44px;width:44px;font-size:36px;border-radius:14px}.brand{font-size:17px}.brand-sub{font-size:10px;margin-top:5px}main{padding-top:16px;gap:28px}.section-heading{margin-bottom:3px}h1{font-size:25px}.player-row{height:41px}.board-wrap{padding:9px;border-radius:15px}.bottom-player{margin-top:10px}.turn-panel{padding:18px}.turn-status{margin-top:13px}.turn-panel>p{margin:8px 0 13px}.sidebar{gap:12px}.gold-card{padding:18px}.gold-card h2{font-size:27px;margin:14px 0 10px}.gold-card p{font-size:12px}.fusion-diagram{padding:9px 0;margin-top:3px}.text-button{padding-top:10px}.history-panel .panel-heading{padding:12px 18px}.history-list{height:82px}.empty-history{padding-top:19px}.board-toolbar{padding-top:4px}.piece{font-size:58px}}
@media(max-width:1100px){.app-shell{padding:0 24px}.edition{display:none}main{gap:24px;grid-template-columns:minmax(0,var(--board-size)) 284px}.turn-panel,.gold-card{padding:18px}.turn-status h2{font-size:23px}.gold-card h2{font-size:27px}.mode-switch button{font-size:11px}}
@media(max-width:800px){:root{--board-size:100%}.app-shell{padding:0 20px}.topbar{height:80px}.brand{font-size:17px}.brand-mark{width:48px;height:48px;font-size:38px}.brand-sub{font-size:10px}.quiet{font-size:12px;padding:10px 13px}main{grid-template-columns:1fr;gap:25px;max-width:630px;margin:auto;padding-top:22px}.section-heading{margin-bottom:10px}h1{font-size:29px}.player-row{height:50px}.board-wrap{padding:10px}.piece{font-size:8vw}.board-toolbar{flex-wrap:wrap;padding-top:7px}.board-toolbar>span{font-size:12px}.inline-end:not(.hidden){display:flex;flex-basis:100%;margin-top:5px}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:15px}.history-panel{grid-column:1/-1}.turn-panel,.gold-card{padding:21px}.gold-card h2{font-size:27px}.gold-card p{font-size:13px}.mode-switch button{font-size:12px}.turn-status h2{font-size:25px}.gold-emblem{right:-25px}.history-list{height:105px}footer>span:nth-child(2){display:none}}
@media(max-width:480px){.app-shell{padding:0 13px}.topbar{height:72px}.brand{font-size:14px;gap:8px;letter-spacing:-.4px}.brand-sub{font-size:9px;letter-spacing:2.5px;margin-top:5px}.brand-mark{width:42px;height:42px;font-size:34px;border-radius:13px}.quiet{font-size:11px;padding:9px 11px}.quiet span{display:none}main{padding-top:18px;gap:23px}h1{font-size:25px}.live-label{font-size:9px;padding:6px 9px}.player-row{height:46px;padding:0 3px}.player-row strong{font-size:13px}.player-row>div>span{font-size:10px}.player-side{font-size:9px}.avatar{width:31px;height:31px;font-size:24px}.board-wrap{padding:7px;border-radius:14px}.board{border-radius:6px}.piece{font-size:10vw}.coord{font-size:8px}.rank{left:2px;top:2px}.file{bottom:2px;right:2px}.gold-star{font-size:11px}.bottom-player{margin-top:12px}.board-toolbar>span{font-size:11px;max-width:64%}.icon-button{width:30px;height:30px;font-size:22px}.board-toolbar>div{gap:4px}.sidebar{display:flex;gap:16px}.turn-panel,.gold-card{padding:23px}.turn-status h2{font-size:27px}.mode-switch button{font-size:14px}.gold-card h2{font-size:32px;max-width:245px}.gold-card p{font-size:14px;max-width:280px}.gold-emblem{right:8px;top:28px}.fusion-diagram{gap:16px}.fusion-label{top:16%;padding:10px 18px}.dialog-inner{padding:26px}.dialog-inner h2{font-size:29px}.drop{opacity:.7}footer{font-size:10px}footer>span:first-child{font-size:9px;letter-spacing:1px}}
.sprite-ready .piece{width:82%;height:98%}.fusion-traveller{position:absolute;display:grid;place-items:center;z-index:3;pointer-events:none}
.board-drops{position:absolute;inset:10px;border-radius:10px;overflow:hidden;pointer-events:none;z-index:7;opacity:.42}.board-drops .drop{backdrop-filter:none;box-shadow:inset -2px -2px 4px #69a3d14d,inset 2px 2px 3px #fff}
.history-panel{backdrop-filter:none;background:#fffffff2;position:relative}
.promotion-piece{display:block}.sprite-ready .promotion-piece{width:65px;height:86px;max-width:100%;margin:auto;background:url('assets/marble-pieces.png') var(--col) var(--row)/700% 200%;font-size:0}.promotion-piece.w{--row:0%}.promotion-piece.b{--row:100%}.promotion-piece[data-type=q]{--col:16.666667%}.promotion-piece[data-type=r]{--col:33.333333%}.promotion-piece[data-type=b]{--col:50%}.promotion-piece[data-type=n]{--col:66.666667%}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.fusion-scene{display:none!important}}