:root{--c-page: #ececec;--c-chrome: #beb4ae;--c-surface: #d9d2cc;--c-surface-2: #f5f5f5;--c-white: #ffffff;--c-text: #61574f;--c-text-muted: #6e655f;--c-text-chrome: #4a433e;--c-orange: #f4762c;--c-orange-hi: #ff8b46;--c-orange-ink: #ffffff;--c-orange-text: #a84a00;--c-board-dark: #46362a;--c-board-light: #c6b189;--c-board-frame: #33271b;--c-piece-black-hi: #555555;--c-piece-black-lo: #111111;--c-piece-white-hi: #ffffff;--c-piece-white-lo: #bbbbbb;--c-legal: #4fa83f;--c-overlay: rgba(20, 12, 6, .72);--bg: var(--c-page);--chrome: var(--c-chrome);--surface: var(--c-surface);--surface-alt: var(--c-surface-2);--text: var(--c-text);--text-muted: var(--c-text-muted);--text-on-chrome: var(--c-text-chrome);--accent: var(--c-orange);--accent-text: var(--c-orange-text);--accent-grad: linear-gradient(180deg, var(--c-orange-hi) 0%, var(--c-orange) 100%);--accent-ink: var(--c-orange-ink);--border: rgba(58, 37, 16, .14);--sq-dark: var(--c-board-dark);--sq-light: var(--c-board-light);--font-sans: "Montserrat", system-ui, -apple-system, sans-serif;--fw-regular: 400;--fw-semibold: 600;--fw-bold: 700;--fs-xs: .72rem;--fs-sm: .85rem;--fs-md: 1rem;--fs-lg: 1.15rem;--fs-xl: 1.5rem;--fs-2xl: clamp(2rem, 5vw, 3rem);--tracking-label: .1em;--tracking-tight: -.5px;--radius: 8px;--radius-lg: 14px;--radius-pill: 999px;--shadow-card: 0 1px 3px rgba(58, 37, 16, .12);--shadow-board: 0 8px 24px rgba(42, 26, 12, .28);--shadow-piece: 0 3px 7px rgba(0, 0, 0, .45), inset 0 1px 2px rgba(255, 255, 255, .25);--ease: .18s ease}:root{--header-h: 46px;--board-size: min(92vw, calc(100dvh - var(--header-h) - 7rem), 760px)}body:before,body:after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none}body:before{opacity:.14;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E")}body:after{background:radial-gradient(ellipse 105% 115% at 50% 40%,transparent 48%,rgba(34,21,9,.4) 100%)}.hidden{display:none!important}.sr-live{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn-primary{padding:.8rem 1.5rem;background:var(--accent-grad);color:var(--accent-ink);border:none;border-radius:var(--radius);font-family:var(--font-sans);font-size:var(--fs-md);font-weight:var(--fw-bold);cursor:pointer;box-shadow:var(--shadow-card);transition:filter var(--ease),transform var(--ease)}.btn-primary:hover{filter:brightness(1.06)}.btn-primary:active{transform:translateY(1px)}.btn-secondary{padding:.4rem .9rem;background:var(--surface-alt);color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font-sans);font-size:var(--fs-sm);font-weight:var(--fw-semibold);cursor:pointer;transition:var(--ease)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-group{display:flex;gap:.4rem;background:var(--surface);padding:.25rem;border-radius:var(--radius-pill)}.btn-option{flex:1;padding:.55rem .75rem;border:none;border-radius:var(--radius-pill);background:transparent;color:var(--text);cursor:pointer;font-family:var(--font-sans);font-size:var(--fs-sm);font-weight:var(--fw-semibold);transition:var(--ease)}.btn-option.active{background:var(--accent-grad);color:var(--accent-ink);box-shadow:var(--shadow-card)}.game-root{position:relative}.setup-screen{position:absolute;inset:0;z-index:50;display:flex;justify-content:center;padding:1.5rem;overflow-y:auto;text-align:center;background:color-mix(in srgb,var(--c-overlay) 55%,transparent);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}.setup-card{background:var(--surface-alt);border-radius:var(--radius-lg);padding:2rem 1.75rem;max-width:460px;width:100%;height:fit-content;margin:auto;display:flex;flex-direction:column;align-items:center;box-shadow:0 16px 40px #0006}.game-screen.pregame .status-bar,.game-screen.pregame .game-controls{visibility:hidden}.setup-screen h1{font-size:calc(var(--fs-2xl) * .75);font-weight:var(--fw-bold);letter-spacing:var(--tracking-tight);color:var(--text);margin-bottom:.4rem}.setup-subtitle{color:var(--text-muted);margin-bottom:2.5rem}.setup-options{display:flex;flex-direction:column;gap:1.5rem;width:100%;max-width:360px}.option-group label{display:block;font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:var(--tracking-label);color:var(--text-muted);margin-bottom:.5rem}.online-cta{margin-top:.6rem;font-size:var(--fs-sm)}.online-cta a{color:var(--accent-text);font-weight:var(--fw-semibold);text-decoration:underline}.online-cta a:hover{color:var(--accent)}.start-btn{width:100%}.resume-btn{width:100%;margin-top:.75rem}.setup-stats{margin-top:1rem;font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text-muted)}.game-screen{width:100%;max-width:1500px;margin:0 auto;min-height:calc(100dvh - var(--header-h));padding:.85rem 1.25rem 1rem;display:flex;flex-direction:column}.game-layout{flex:1;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1.5rem}.game-main{grid-column:2;display:flex;flex-direction:column;align-items:center;gap:.6rem}.game-controls{display:flex;gap:.5rem;width:var(--board-size);justify-content:center}.game-controls button{min-width:5.5rem}.game-controls button:disabled{opacity:.45;cursor:default}.game-controls button:disabled:hover{border-color:var(--border);color:var(--text-muted)}.status-bar{display:flex;align-items:center;gap:.5rem;width:var(--board-size)}.status-text{margin-right:auto}.status-meta{display:flex;gap:.4rem}.meta-chip{font-size:var(--fs-xs);font-weight:var(--fw-semibold);color:var(--text-muted);background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-pill);padding:.32rem .65rem;white-space:nowrap}.meta-chip .info-moves{color:var(--text)}.status-text{font-size:var(--fs-md);font-weight:var(--fw-semibold);border-radius:var(--radius-pill);padding:.45rem 1.1rem;display:inline-flex;align-items:center;gap:.5rem;transition:background var(--ease),color var(--ease)}.status-text:before{content:"";width:.7em;height:.7em;border-radius:50%;background:currentColor;opacity:.9}.status-text.turn-white{background:var(--surface-alt);color:var(--text);border:1px solid var(--border)}.status-text.turn-white:before{background:#f3f0ea;box-shadow:inset 0 0 0 1px #00000040}.status-text.turn-black{background:#2c2420;color:#f1ece4;border:1px solid #2c2420}.status-text.turn-black:before{background:#15110d;box-shadow:inset 0 0 0 1px #ffffff40}.status-text.is-thinking{animation:blink 1.2s ease-in-out infinite}.status-bar .new-game-btn{padding:.5rem 1.1rem;font-size:var(--fs-sm)}@keyframes blink{0%,to{opacity:1}50%{opacity:.45}}.board{position:relative;display:grid;width:var(--board-size);height:var(--board-size);border:6px solid var(--c-board-frame);border-radius:6px;overflow:hidden;user-select:none;box-shadow:var(--shadow-board)}.board:before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.045;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}.sq{position:relative}.sq--light{background:var(--sq-light)}.sq--dark{background:var(--sq-dark);cursor:pointer}.sq--dark:hover{filter:brightness(1.22)}.sq--dark:focus-visible{outline:3px solid var(--accent);outline-offset:-3px;z-index:1}.sq--selected{background:color-mix(in srgb,var(--sq-dark) 55%,var(--accent) 45%);outline:3px solid var(--accent);outline-offset:-3px}.sq--legal:after{content:"";position:absolute;inset:14%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--c-legal) 75%,transparent) 0%,transparent 68%);pointer-events:none}.sq--hint{outline:3px dashed var(--accent);outline-offset:-3px;z-index:1}.sq--hint:before{content:"";position:absolute;inset:0;background:color-mix(in srgb,var(--accent) 20%,transparent);pointer-events:none}.piece{position:absolute;inset:7%;border-radius:50%;pointer-events:none;z-index:1}.piece--black{background:radial-gradient(circle at 38% 30%,rgba(255,255,255,.16),transparent 55%),radial-gradient(circle at 50% 50%,rgba(0,0,0,.28) 0 6%,transparent 15%),repeating-radial-gradient(circle at 50% 50%,#ffffff17 0px 1.6px,#0000004d 3.6px,#ffffff17 5.4px),radial-gradient(circle at 36% 30%,var(--c-piece-black-hi),var(--c-piece-black-lo));border:2px solid #2f2f2f;box-shadow:var(--shadow-piece),inset 0 0 0 2px #ffffff0f,inset 0 0 7px #00000080}.piece--white{background:radial-gradient(circle at 38% 30%,rgba(255,255,255,.4),transparent 55%),radial-gradient(circle at 50% 50%,rgba(0,0,0,.1) 0 6%,transparent 15%),repeating-radial-gradient(circle at 50% 50%,#ffffff4d 0px 1.6px,#00000021 3.6px,#ffffff4d 5.4px),radial-gradient(circle at 36% 30%,var(--c-piece-white-hi),var(--c-piece-white-lo));border:2px solid #a6a6a6;box-shadow:var(--shadow-piece),inset 0 0 0 2px #fff6,inset 0 0 7px #00000038}.piece:before{content:"";position:absolute;inset:41%;border-radius:50%}.piece--black:before{background:radial-gradient(circle at 42% 36%,#6a6a6a,#0c0c0c);box-shadow:inset 0 1px 1px #ffffff2e,0 0 2px #0009}.piece--white:before{background:radial-gradient(circle at 42% 36%,#fff,#b4b4b4);box-shadow:inset 0 1px 1px #ffffffb3,0 0 2px #00000059}.piece--king:after{content:"";position:absolute;inset:26%;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23f0c75e' stroke='%23231a0c' stroke-width='1.3' stroke-linejoin='round' d='M2.5 8.5l4 3.2L12 4.5l5.5 7.2 4-3.2-1.6 9.5H4.1L2.5 8.5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:contain;filter:drop-shadow(0 1px 1px rgba(0,0,0,.45))}.sq--selected .piece{box-shadow:0 0 0 3px var(--accent),0 3px 10px #00000080}@keyframes appear{0%{opacity:0;transform:scale(.65)}to{opacity:1;transform:scale(1)}}.piece--new{animation:appear .22s ease}.sq--movable .piece{animation:pickable 1.7s ease-in-out infinite}@keyframes pickable{0%,to{filter:drop-shadow(0 0 2px rgba(240,199,94,.55))}50%{filter:drop-shadow(0 0 7px rgba(240,199,94,1))}}@media(prefers-reduced-motion:reduce){.sq--movable .piece{animation:none;filter:drop-shadow(0 0 5px rgba(240,199,94,.9))}}.gameover-overlay{position:fixed;inset:0;background:var(--c-overlay);display:flex;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(4px)}.gameover-card{background:var(--surface-alt);border-radius:var(--radius-lg);padding:2rem;text-align:center;max-width:340px;width:90%;display:flex;flex-direction:column;align-items:center;gap:.35rem;box-shadow:0 16px 40px #0006}.gameover-card h2{font-size:var(--fs-xl);color:var(--text)}.gameover-card p{color:var(--text-muted);margin-bottom:.25rem}.gameover-stats{font-weight:var(--fw-semibold)}.play-again-btn{width:100%;margin-top:.5rem}.setup-note{margin-top:1rem;font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text)}.quick-match-btn{width:100%;margin-top:.75rem}.match-search{margin-top:1rem;display:flex;flex-direction:column;align-items:center;gap:.75rem}.match-search-text{font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text)}.match-search-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.lobby-count{margin-top:.75rem;font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text)}.online-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.5rem;width:var(--board-size);background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius);padding:.55rem .8rem;font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text);box-shadow:var(--shadow-card)}.room-link{font-size:var(--fs-xs);background:var(--surface);border-radius:var(--radius);padding:.3rem .55rem;color:var(--text);user-select:all;overflow-wrap:anywhere;max-width:100%}.emote-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:.35rem;width:var(--board-size)}.emote-bar .emote-btn{padding:.35rem .6rem;font-size:var(--fs-xs);min-width:0}.emote-bar .emote-btn:disabled{opacity:.45;cursor:default}.emote-bar .emote-btn:disabled:hover{border-color:var(--border);color:var(--text-muted)}.game-main{position:relative}.emote-toast{position:absolute;top:4.6rem;left:50%;transform:translate(-50%);z-index:50;background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-pill);padding:.45rem 1rem;font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--text);box-shadow:var(--shadow-board);pointer-events:none;white-space:nowrap;animation:appear .22s ease}.rematch-note{font-weight:var(--fw-semibold)}.leave-btn{width:100%;margin-top:.35rem}@media(max-width:680px){:root{--board-size: min(96vw, calc(100dvh - var(--header-h) - 7.5rem))}.game-screen{padding:.6rem}.game-layout{display:flex;flex-direction:column;justify-content:center}.status-meta{display:none}}.intl-note[data-astro-cid-j7pv25f6]{padding:.9rem 1.5rem 0;text-align:center}.intl-note[data-astro-cid-j7pv25f6] p[data-astro-cid-j7pv25f6]{display:inline-block;background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-pill);padding:.6rem 1.4rem;box-shadow:var(--shadow-card);color:var(--text-muted);font-size:.92rem}.intl-note[data-astro-cid-j7pv25f6] a[data-astro-cid-j7pv25f6]{text-decoration:underline}