@font-face{font-family:Instrument Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/instrument-sans-latin-400-normal.DRC__1Mx.woff2)format("woff2"),url(/_astro/instrument-sans-latin-400-normal.D1W7dsQl.woff)format("woff")}@font-face{font-family:Instrument Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/instrument-sans-latin-500-normal.Dk9ku72i.woff2)format("woff2"),url(/_astro/instrument-sans-latin-500-normal.Z6ESRlEs.woff)format("woff")}@font-face{font-family:Instrument Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/instrument-sans-latin-600-normal.B7fBEWYG.woff2)format("woff2"),url(/_astro/instrument-sans-latin-600-normal.B9e8oLYv.woff)format("woff")}@font-face{font-family:Instrument Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/instrument-sans-latin-ext-400-normal.Q_nF8v4l.woff2)format("woff2"),url(/_astro/instrument-sans-latin-ext-400-normal.r32jotim.woff)format("woff")}@font-face{font-family:Instrument Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/instrument-sans-latin-ext-500-normal.CTEe1bJa.woff2)format("woff2"),url(/_astro/instrument-sans-latin-ext-500-normal.CAxz3nsc.woff)format("woff")}@font-face{font-family:Instrument Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/instrument-sans-latin-ext-600-normal.BsaQcF38.woff2)format("woff2"),url(/_astro/instrument-sans-latin-ext-600-normal.DMks36a2.woff)format("woff")}@font-face{font-family:JetBrains Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/jetbrains-mono-latin-400-normal.V6pRDFza.woff2)format("woff2"),url(/_astro/jetbrains-mono-latin-400-normal.6-qcROiO.woff)format("woff")}@font-face{font-family:JetBrains Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/jetbrains-mono-latin-600-normal.C8RAYTDA.woff2)format("woff2"),url(/_astro/jetbrains-mono-latin-600-normal.BfsvjouI.woff)format("woff")}@font-face{font-family:Newsreader;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/newsreader-latin-600-normal.30OJ_TG_.woff2)format("woff2"),url(/_astro/newsreader-latin-600-normal.DUnT2r2g.woff)format("woff")}@font-face{font-family:Newsreader;font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/newsreader-latin-400-italic.CEihAR-f.woff2)format("woff2"),url(/_astro/newsreader-latin-400-italic.CNZoH1hn.woff)format("woff")}@font-face{font-family:Newsreader;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/newsreader-latin-ext-600-normal.BXv5iMHi.woff2)format("woff2"),url(/_astro/newsreader-latin-ext-600-normal.BrbfzHZ5.woff)format("woff")}@font-face{font-family:Newsreader;font-style:italic;font-display:swap;font-weight:400;src:url(/_astro/newsreader-latin-ext-400-italic.BMTE_bNQ.woff2)format("woff2"),url(/_astro/newsreader-latin-ext-400-italic.qdgKLcPG.woff)format("woff")}:root{color-scheme:light;--canvas:#f5f2ea;--surface-1:#fbf9f4;--surface-2:#efeadf;--surface-inverse:#1f2a37;--on-inverse:#f5f2ea;--text-1:#1d1b17;--text-2:#4a463e;--text-3:#6e685d;--border:#ddd6c8;--border-strong:#bfb6a4;--accent:#1e4e79;--accent-hover:#18426a;--accent-active:#163c60;--on-accent:#fff;--accent-soft:#dce6f0;--focus:#1e4e79;--success:#2f6b4f;--warning:#8a5a00;--danger:#a3291f;--info:#1e4e79;--c-brilliant:#6b3fa0;--c-great:#1f6f8b;--c-best:#3d6b45;--c-book:#7a6a4f;--c-inaccuracy:#9a6a00;--c-mistake:#b5541c;--c-miss:#b5541c;--c-blunder:#a3291f;--c-forced:var(--text-3);--on-stamp:#fff;--sq-light:#e8e1cf;--sq-dark:#7f93a6;--sq-last-move:#1e4e7947;--sq-selected:#1e4e7966;--arrow-best:#2f6b4f;--arrow-played:#a3291f;--arrow-threat:#9a6a00;--arrow-best-opacity:.85;--arrow-played-opacity:.75;--arrow-threat-opacity:.8;--tide-field:var(--surface-1);--tide-white:#e9e4d8;--tide-black:#3b38301f;--tide-line:var(--text-1);--f-display:"Newsreader", "Iowan Old Style", Georgia, serif;--f-ui:"Instrument Sans", -apple-system, "Segoe UI", Roboto, sans-serif;--f-mono:"JetBrains Mono", ui-monospace, Menlo, monospace;--r-chip:4px;--r-control:8px;--r-panel:12px;--r-pill:999px;--r-board:6px;--shadow-1:0 1px 2px #1d1b170f;--shadow-2:0 8px 24px #1d1b171f;--panel-border:1px solid var(--border);--z-board:10;--z-header:20;--z-sheet:30;--z-popover:40;--z-dialog:50;--z-toast:60;--dur-fast:.12s;--dur-base:.18s;--dur-slow:.28s;--ease:cubic-bezier(.2, 0, 0, 1)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--canvas:#141310;--surface-1:#1c1a16;--surface-2:#25221d;--surface-inverse:#ede8dc;--on-inverse:#141310;--text-1:#ece7dc;--text-2:#bdb6a8;--text-3:#8f887b;--border:#36322b;--border-strong:#4c473e;--accent:#8db8e0;--accent-hover:#a6c9ea;--accent-active:#b9d5ef;--on-accent:#0f1a26;--accent-soft:#1d2d3d;--focus:#8db8e0;--success:#7fc29b;--warning:#e3b45c;--danger:#f08a7e;--info:#8db8e0;--c-brilliant:#b79be0;--c-great:#7cc4da;--c-best:#8fc29a;--c-book:#b8a684;--c-inaccuracy:#e2b65a;--c-mistake:#f0a06a;--c-miss:#f0a06a;--c-blunder:#f08a7e;--on-stamp:#141310;--sq-light:#c9c0ab;--sq-dark:#5d6f80;--arrow-best:#7fc29b;--arrow-played:#f08a7e;--arrow-threat:#e2b65a;--tide-white:#2e2b25;--tide-black:#00000047;--shadow-1:none}}:root[data-theme=dark]{color-scheme:dark;--canvas:#141310;--surface-1:#1c1a16;--surface-2:#25221d;--surface-inverse:#ede8dc;--on-inverse:#141310;--text-1:#ece7dc;--text-2:#bdb6a8;--text-3:#8f887b;--border:#36322b;--border-strong:#4c473e;--accent:#8db8e0;--accent-hover:#a6c9ea;--accent-active:#b9d5ef;--on-accent:#0f1a26;--accent-soft:#1d2d3d;--focus:#8db8e0;--success:#7fc29b;--warning:#e3b45c;--danger:#f08a7e;--info:#8db8e0;--c-brilliant:#b79be0;--c-great:#7cc4da;--c-best:#8fc29a;--c-book:#b8a684;--c-inaccuracy:#e2b65a;--c-mistake:#f0a06a;--c-miss:#f0a06a;--c-blunder:#f08a7e;--on-stamp:#141310;--sq-light:#c9c0ab;--sq-dark:#5d6f80;--arrow-best:#7fc29b;--arrow-played:#f08a7e;--arrow-threat:#e2b65a;--tide-white:#2e2b25;--tide-black:#00000047;--shadow-1:none}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--canvas);color:var(--text-1);font:400 1rem/1.6 var(--f-ui);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;margin:0;display:flex}main{flex:1 0 auto}img,svg{max-width:100%}a{color:var(--accent);text-underline-offset:2px}a:hover{color:var(--accent-hover)}h1,h2,h3,h4{text-wrap:balance}p{text-wrap:pretty}button,input,textarea,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}::selection{background:var(--accent-soft)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{z-index:var(--z-toast);background:var(--accent);color:var(--on-accent);border-radius:var(--r-control);padding:10px 16px;font-weight:600;text-decoration:none;position:absolute;top:-100px;left:16px}.skip-link:focus{color:var(--on-accent);top:8px}.display-1{font:600 clamp(2.25rem, 1.6rem + 2.4vw, 3.5rem)/1.08 var(--f-display);letter-spacing:-.01em;margin:0}.display-2{font:600 clamp(1.625rem, 1.3rem + 1.2vw, 2.25rem)/1.15 var(--f-display);margin:0}.title{font:600 1.25rem/1.3 var(--f-ui);margin:0}.body-small{font-size:.875rem;line-height:1.5}.label{font:500 .8125rem/1.3 var(--f-ui);color:var(--text-3)}.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}@media (width<=639px){.title{font-size:1.125rem}}.container{width:100%;max-width:1120px;margin:0 auto;padding-inline:16px}.container-wide{width:100%;max-width:1320px;margin:0 auto;padding-inline:16px}@media (width>=640px){.container,.container-wide{padding-inline:24px}}@media (width>=1024px){.container,.container-wide{padding-inline:32px}}.btn{border-radius:var(--r-control);min-width:44px;height:44px;font:600 15px/1 var(--f-ui);cursor:pointer;white-space:nowrap;transition:background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 20px;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:var(--on-accent)}.btn-primary:hover{background:var(--accent-hover);color:var(--on-accent)}.btn-primary:active{background:var(--accent-active);transform:translateY(1px)}.btn-secondary{background:var(--surface-1);color:var(--text-1);border-color:var(--border-strong)}.btn-secondary:hover{background:var(--surface-2);color:var(--text-1)}.btn-ghost{color:var(--text-2);background:0 0;padding:0 12px;font-size:14px;font-weight:500}.btn-ghost:hover{background:var(--surface-2);color:var(--text-1)}.btn-danger{color:var(--danger);border-color:var(--danger);background:0 0}.btn:disabled,.btn[aria-disabled=true]{background:var(--surface-2);color:var(--text-3);cursor:not-allowed;border-color:#0000;transform:none}.btn .spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}.btn-icon{width:44px;padding:0}.btn-icon svg{width:20px;height:20px}@media (width>=1024px) and (pointer:fine){.toolbar .btn-ghost{min-width:36px;height:36px}.toolbar .btn-icon{width:36px}}@keyframes spin{to{transform:rotate(360deg)}}.input,.textarea{border:1px solid var(--border-strong);border-radius:var(--r-control);background:var(--canvas);width:100%;color:var(--text-1)}.input{height:44px;padding:0 12px;font-size:1rem}.textarea{resize:vertical;min-height:120px;font:400 14px/1.5 var(--f-mono);padding:12px;display:block}.input::placeholder,.textarea::placeholder{color:var(--text-3)}.input[aria-invalid=true],.textarea[aria-invalid=true]{border-color:var(--danger)}.field-label{font:500 .8125rem/1.3 var(--f-ui);color:var(--text-2);margin-bottom:6px;display:block}.seg{background:var(--surface-2);border-radius:var(--r-control);flex-wrap:wrap;gap:2px;padding:2px;display:inline-flex}.seg [role=tab]{min-width:44px;height:40px;font:500 14px var(--f-ui);color:var(--text-2);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:0 14px;position:relative}.seg [role=tab]:after{content:"";position:absolute;inset:-2px 0}.seg [role=tab][aria-selected=true]{background:var(--surface-1);color:var(--text-1);box-shadow:var(--shadow-1)}.seg [role=tab]:hover{color:var(--text-1)}.stamp{min-width:20px;height:18px;font:600 12px/1 var(--f-mono);letter-spacing:-.02em;color:var(--on-stamp);background:var(--stamp-c,var(--text-3));box-shadow:inset 0 0 0 1px color-mix(in srgb, #000 35%, var(--stamp-c,var(--text-3))), 0 1px 0 #0000001f;border-radius:5px 6px 5px 4px/4px 5px 6px;flex:none;justify-content:center;align-items:center;padding:0 4px;font-style:normal;display:inline-flex}.stamp.is-board{min-width:22px;height:22px;font-size:12px}.stamp[data-cls=brilliant]{--stamp-c:var(--c-brilliant)}.stamp[data-cls=great]{--stamp-c:var(--c-great)}.stamp[data-cls=best]{--stamp-c:var(--c-best)}.stamp[data-cls=book]{--stamp-c:var(--c-book)}.stamp[data-cls=inaccuracy]{--stamp-c:var(--c-inaccuracy)}.stamp[data-cls=mistake]{--stamp-c:var(--c-mistake)}.stamp[data-cls=blunder]{--stamp-c:var(--c-blunder)}.stamp[data-cls=forced]{--stamp-c:var(--c-forced)}.stamp[data-cls=miss]{color:var(--c-miss);box-shadow:inset 0 0 0 1.5px var(--c-miss);background:0 0}.chip{min-height:24px;font:400 13px/1.4 var(--f-mono);background:var(--surface-2);color:var(--text-1);border-radius:var(--r-chip);cursor:pointer;text-align:start;border:1px solid #0000;align-items:center;padding:2px 6px;display:inline-flex;position:relative}.chip:after,.link-btn:after{content:"";position:absolute;inset:-12px -4px}.chip:hover{border-color:var(--accent)}.chip[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent)}.link-btn{font:500 13px var(--f-ui);color:var(--accent);cursor:pointer;background:0 0;border:0;border-radius:4px;padding:2px 4px;position:relative}.link-btn:hover{text-decoration:underline}.note{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--r-panel);padding:16px}.note-head{font:600 15px var(--f-mono);align-items:center;gap:8px;display:flex}.note-coach{font:italic 400 1.0625rem/1.5 var(--f-display);color:var(--text-1);margin:8px 0 10px}.note-coach-tag{font:500 12px var(--f-ui);color:var(--text-3);margin-top:2px;font-style:normal;display:block}.fact{color:var(--text-2);border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:6px 8px;padding:8px 0;font-size:14px;display:flex}.fact:first-of-type{margin-top:8px}.fact-text{flex:14em;min-width:0}.fact-actions{align-items:center;gap:6px;display:inline-flex}.note-error{color:var(--text-2);margin:8px 0 0;font-size:14px}.note-coach-row{border-top:1px dashed var(--border-strong);color:var(--text-2);justify-content:space-between;align-items:center;gap:12px;margin-top:4px;padding-top:10px;font-size:14px;display:flex}@media (width>=640px){.note-coach{font-size:1.0625rem}}@media (width<=639px){.note-coach{font-size:1rem}}.alert{border-radius:var(--r-control);border:1px solid var(--alert-c,var(--info));background:color-mix(in srgb, var(--alert-c,var(--info)) 8%, transparent);color:var(--text-1);align-items:flex-start;gap:10px;padding:10px 12px;font-size:14px;display:flex}.alert svg{width:20px;height:20px;color:var(--alert-c);flex:none;margin-top:1px}.alert[data-tone=danger]{--alert-c:var(--danger)}.alert[data-tone=warning]{--alert-c:var(--warning)}.alert[data-tone=success]{--alert-c:var(--success)}.alert[data-tone=info]{--alert-c:var(--info)}.alert-body{flex:1;min-width:0}.alert-body p{margin:0}.alert-actions{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.alert-actions .btn{height:36px}.alert .alert-close{margin:-10px -8px -10px 0}.skeleton{background:var(--surface-2);border-radius:4px;animation:1.2s ease-in-out infinite pulse;display:block}@keyframes pulse{50%{opacity:.5}}.toast-region{z-index:var(--z-toast);pointer-events:none;gap:8px;width:max-content;max-width:calc(100vw - 32px);display:grid;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast{background:var(--surface-inverse);color:var(--on-inverse);border-radius:var(--r-control);box-shadow:var(--shadow-2);animation:note-in var(--dur-base) var(--ease);padding:10px 16px;font-size:14px}dialog.dialog{border:1px solid var(--border);border-radius:var(--r-panel);background:var(--surface-1);width:min(480px,100vw - 32px);max-height:calc(100vh - 32px);color:var(--text-1);box-shadow:var(--shadow-2);padding:0}dialog.dialog::backdrop{background:#14131073}.dialog-body{padding:24px}.dialog-body h2{font:600 1.25rem/1.3 var(--f-ui);margin:0 0 8px}.dialog-body p{color:var(--text-2);margin:0 0 16px}.dialog-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.dialog[open]{animation:note-in var(--dur-base) var(--ease)}.bar{background:var(--surface-2);border-radius:99px;flex:1;min-width:60px;height:4px;overflow:hidden}.bar>i{background:var(--accent);width:0;height:100%;transition:width var(--dur-fast) linear;display:block}.pin{background:var(--accent);width:22px;height:22px;color:var(--on-accent);font:600 12px/1 var(--f-mono);border-radius:99px;flex:none;justify-content:center;align-items:center;display:inline-flex}@keyframes note-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.skeleton{animation:none}}.chip.is-static{cursor:default}.chip.is-static:after{display:none}.chip.is-static:hover{border-color:#0000}.site-header{z-index:var(--z-header);background:var(--canvas);border-bottom:1px solid var(--border);position:sticky;top:0}.site-header-inner{align-items:center;gap:24px;max-width:1320px;height:56px;margin:0 auto;padding:0 16px;display:flex}@media (width>=640px){.site-header-inner{padding:0 24px}}@media (width>=1024px){.site-header-inner{padding:0 32px}}.logo{color:var(--text-1);font:600 18px/1 var(--f-display);letter-spacing:-.01em;align-items:center;gap:8px;min-height:44px;text-decoration:none;display:inline-flex}.logo:hover{color:var(--text-1)}.logo-mark{width:28px;height:28px;color:var(--accent);flex:none}.logo-name{white-space:nowrap}.site-nav{gap:4px;font-size:14px;display:flex}.site-nav a{color:var(--text-2);border-radius:var(--r-control);align-items:center;min-height:44px;padding:0 10px;text-decoration:none;display:inline-flex}.site-nav a:hover{color:var(--text-1);background:var(--surface-2)}.site-nav a[aria-current=page]{color:var(--text-1);font-weight:500}.app-header-slot{flex:1;align-items:center;min-width:0;display:flex}.header-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.header-new{gap:0;height:36px;padding:0 14px;font-size:14px}.theme-toggle .icon-sun{display:none}.theme-toggle[data-dark=true] .icon-sun{display:inline-flex}.theme-toggle[data-dark=true] .icon-moon{display:none}@media (width<=639px){.site-nav{display:none}.header-new{height:44px;padding:0 10px}.site-header-inner{gap:12px}}@media (width<=380px){.logo-name{font-size:16px}}main:focus{outline:none}.site-footer{border-top:1px solid var(--border);color:var(--text-2);margin-top:64px;padding:40px 0 24px;font-size:14px}.footer-grid{grid-template-columns:1fr;gap:24px;display:grid}@media (width>=640px){.footer-grid{grid-template-columns:2fr 1fr 1.4fr 1fr}}.footer-brand p{max-width:32ch;margin:8px 0 0}.footer-nav{flex-direction:column;display:flex}.footer-nav a{color:var(--text-2);align-items:center;width:fit-content;min-height:44px;text-decoration:none;display:inline-flex}.footer-nav a:hover{color:var(--text-1);text-decoration:underline}.footer-h{font:600 13px/1.3 var(--f-ui);color:var(--text-1);margin:0 0 4px}.footer-legal{border-top:1px solid var(--border);color:var(--text-3);flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:24px;padding-top:16px;font-size:13px;display:flex}.footer-legal p{margin:0}.prose{max-width:68ch;margin:0 auto;padding:48px 16px 0}@media (width>=640px){.prose{padding-inline:24px}}.prose h1{font:600 clamp(2rem, 1.6rem + 1.6vw, 2.75rem)/1.1 var(--f-display);letter-spacing:-.01em;margin:0 0 16px}.prose h2{font:600 clamp(1.375rem, 1.2rem + .8vw, 1.75rem)/1.2 var(--f-display);margin:40px 0 12px}.prose h3{font:600 1.0625rem/1.4 var(--f-ui);margin:24px 0 8px}.prose p,.prose li{color:var(--text-1)}.prose .lede{color:var(--text-2);font-size:1.125rem}.prose .meta{color:var(--text-3);font-size:14px}.prose table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 12px 10px 0}.prose th{color:var(--text-2);font-weight:600}.prose code{font:400 .9em var(--f-mono);background:var(--surface-2);border-radius:4px;padding:1px 4px}@media (width<=399px){.hide-xs{display:none}}@media (width<=359px){body[data-variant=app] .site-header .logo-name{display:none}}.rboard,.sboard{aspect-ratio:1;border-radius:var(--r-board);width:100%;position:relative}.rboard-host{border-radius:var(--r-board);position:absolute;inset:0;overflow:hidden}.rboard-host>div,.rboard-host svg{width:100%;height:100%;display:block}.rboard-stamps{pointer-events:none;z-index:2;position:absolute;inset:0}.board-stamp{z-index:3;position:absolute;transform:translate(-70%,-30%)}.cm-chessboard .coordinates,.cm-chessboard .markers-layer,.cm-chessboard .pieces-layer,.cm-chessboard .markers-top-layer{pointer-events:none}.cm-chessboard.paper .board .square.white{fill:var(--sq-light)}.cm-chessboard.paper .board .square.black{fill:var(--sq-dark)}.cm-chessboard.paper .board .border{fill:var(--sq-dark);stroke-width:0}.cm-chessboard.paper .coordinates .coordinate{font-family:var(--f-mono);opacity:.85;user-select:none;font-weight:600;font-size:11px!important}.cm-chessboard.paper .coordinates .coordinate.white{fill:var(--sq-dark)}.cm-chessboard.paper .coordinates .coordinate.black{fill:var(--sq-light)}.cm-chessboard .markers .marker.marker-last{fill:var(--sq-last-move)}.cm-chessboard .markers .marker.marker-from{fill:var(--sq-selected)}.cm-chessboard .marker.marker-target{fill:var(--accent);opacity:.5}.cm-chessboard-draggable-piece{z-index:var(--z-popover)}.rboard.is-trial:after{content:"";z-index:4;pointer-events:none;border:3px solid var(--accent);border-radius:var(--r-board);position:absolute;inset:0}.cm-chessboard .arrow .arrow-line{stroke-linecap:round;stroke-width:1.1%}.cm-chessboard .arrow-best .arrow-line{stroke:var(--arrow-best);opacity:var(--arrow-best-opacity)}.cm-chessboard .arrow-best .arrow-head{fill:var(--arrow-best);opacity:var(--arrow-best-opacity)}.cm-chessboard .arrow-played .arrow-line{stroke:var(--arrow-played);opacity:var(--arrow-played-opacity)}.cm-chessboard .arrow-played .arrow-head{fill:var(--arrow-played);opacity:var(--arrow-played-opacity)}.cm-chessboard .arrow-threat .arrow-line{stroke:var(--arrow-threat);opacity:var(--arrow-threat-opacity);stroke-dasharray:1.6% 1.1%;stroke-linecap:butt}.cm-chessboard .arrow-threat .arrow-head{fill:var(--arrow-threat);opacity:var(--arrow-threat-opacity)}.cm-chessboard .arrow-line.is-drawing{stroke-dasharray:1;stroke-dashoffset:1px;animation:arrow-draw var(--dur-base) var(--ease) forwards}.cm-chessboard .arrow-threat{animation:arrow-fade var(--dur-base) var(--ease)}@keyframes arrow-draw{to{stroke-dashoffset:0}}@keyframes arrow-fade{0%{opacity:0}}.rboard.is-loading .rboard-host{opacity:.6}.sboard svg{border-radius:var(--r-board);width:100%;height:100%;display:block;overflow:hidden}.sboard .sq-l{fill:var(--sq-light)}.sboard .sq-d{fill:var(--sq-dark)}.sboard .sq-last{fill:var(--sq-last-move)}.sboard text{font:600 8px var(--f-mono);opacity:.8}.sboard .co-on-l{fill:var(--sq-dark)}.sboard .co-on-d{fill:var(--sq-light)}.sboard line{stroke-width:7px;stroke-linecap:round}.sboard .ar-best{stroke:var(--arrow-best);opacity:var(--arrow-best-opacity)}.sboard .ar-played{stroke:var(--arrow-played);opacity:var(--arrow-played-opacity)}.sboard .ar-threat{stroke:var(--arrow-threat);opacity:var(--arrow-threat-opacity);stroke-dasharray:10 7;stroke-linecap:butt}.sboard .ah-best{fill:var(--arrow-best);opacity:var(--arrow-best-opacity)}.sboard .ah-played{fill:var(--arrow-played);opacity:var(--arrow-played-opacity)}.sboard .ah-threat{fill:var(--arrow-threat);opacity:var(--arrow-threat-opacity)}.sboard.is-mini .board-stamp{min-width:18px;height:16px;padding:0 3px;font-size:10px}.tide{background:var(--tide-field);border:1px solid var(--border);border-radius:var(--r-control);padding:0;position:relative;overflow:hidden}.tide-wrap{cursor:crosshair;width:100%;line-height:0}.tide-static .tide-wrap{cursor:default}.tide-static svg{width:100%;height:auto}.tide-field{fill:var(--tide-field)}.tide-mid{stroke:var(--border-strong);stroke-width:1px}.tide-white{fill:var(--tide-white)}.tide-black{fill:var(--tide-black)}.tide-line{fill:none;stroke:var(--tide-line);stroke-width:1.5px;stroke-linejoin:round}.tide-cursor{stroke:var(--accent);stroke-width:1px;stroke-dasharray:3 3}.tide-pin circle{fill:var(--accent)}.tide-pin .tide-hit{fill:#0000}.tide-pin text{font:600 10px var(--f-mono);fill:var(--on-accent);pointer-events:none}.tide-pin[role=button]{cursor:pointer}.tide-pin:focus{outline:none}.tide-pin:focus-visible circle:not(.tide-hit){stroke:var(--canvas);stroke-width:2px;outline:none}.tide-pin:focus-visible{filter:drop-shadow(0 0 0 var(--focus)) drop-shadow(0 0 2px var(--focus))}.tide-tip{pointer-events:none;z-index:2;font:400 12px/1 var(--f-mono);background:var(--surface-inverse);color:var(--on-inverse);white-space:nowrap;border-radius:4px;padding:4px 6px;position:absolute;top:6px;left:0}.ps{border:1px solid var(--border);border-radius:var(--r-control);grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.ps-cell{min-width:0;padding:12px 14px}.ps-cell+.ps-cell{border-left:1px solid var(--border)}.ps-name{color:var(--text-2);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.ps-elo{color:var(--text-3);font-family:var(--f-mono);font-size:12px}.ps-acc{align-items:center;gap:6px;margin:2px 0;display:flex}.stat{font:600 2.5rem/1 var(--f-mono);font-variant-numeric:tabular-nums}.ps-acc-label{color:var(--text-3);align-self:flex-end;margin-bottom:4px;font-size:12px}.ps-info{width:44px;color:var(--text-3);margin-left:auto}.counts{font:400 13px var(--f-mono);color:var(--text-2);flex-wrap:wrap;gap:10px;margin-top:6px;display:flex}.count{align-items:center;gap:4px;display:inline-flex}@media (width<=639px){.stat{font-size:2rem}.ps-cell{padding:10px}}.km{margin:0;padding:0;list-style:none}.km-item{border-top:1px solid var(--border)}.km-btn{text-align:left;cursor:pointer;width:100%;min-height:44px;color:inherit;background:0 0;border:0;grid-template-columns:24px minmax(0,1fr) auto;align-items:start;gap:10px;padding:12px 0;display:grid}.km-btn:hover .km-mv span:first-child{text-decoration:underline}.km-main{min-width:0}.km-mv{font:600 14px var(--f-mono);flex-wrap:wrap;align-items:center;gap:6px;display:flex}.km-one{color:var(--text-2);margin-top:2px;font-size:14px;display:block}.km-item.is-open{background:var(--accent-soft);border-top-color:#0000;margin:0 -16px;padding:0 16px}.km-item.is-open+.km-item{border-top-color:#0000}.km-note{padding:0 0 12px 34px}.km-note .note{background:var(--surface-1)}.checked{font:400 11px var(--f-mono);color:var(--text-3);white-space:nowrap;margin-top:3px}.note-head .checked{margin:0 0 0 auto}.km-item.is-open .checked{color:var(--text-2)}.pin-sm{width:18px;height:18px;font-size:10px}.movelist{font:400 .9375rem/1.6 var(--f-mono)}.movelist:focus{outline:none}.movelist:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}.ml-row{grid-template-columns:3ch minmax(0,1fr) minmax(0,1fr);align-items:center;min-height:32px;display:grid}.ml-num{color:var(--text-3);font-variant-numeric:tabular-nums;text-align:right;padding-right:4px}.ml-cell{cursor:pointer;white-space:nowrap;border-left:2px solid #0000;border-radius:0 4px 4px 0;align-items:center;gap:6px;min-height:32px;padding:0 8px;display:flex}.ml-cell:hover{background:var(--surface-2)}.ml-cell[aria-selected=true]{background:var(--accent-soft);border-left-color:var(--accent)}.ml-cell.is-pending{cursor:default}.ml-cell.is-pending:hover{background:0 0}.movelist:focus-visible .ml-cell[aria-selected=true]{box-shadow:inset 0 0 0 1px var(--accent)}@media (pointer:coarse){.ml-row,.ml-cell{min-height:44px}}.share-canvas{aspect-ratio:1200/630;border:1px solid var(--border);border-radius:var(--r-control);background:var(--canvas);width:100%;height:auto;display:block}.share-status{min-height:1.4em;color:var(--text-3);font-size:14px;margin:8px 0 0!important}.share-opt{min-height:44px;color:var(--text-2);cursor:pointer;align-items:center;gap:8px;margin-top:8px;font-size:14px;display:inline-flex}.dialog-actions .btn[hidden]{display:none}.share-opt input{width:18px;height:18px;accent-color:var(--accent);margin:0}.sound-toggle .icon-off{display:none}.sound-toggle[data-muted=true] .icon-off{display:inline-flex}.sound-toggle[data-muted=true] .icon-on{display:none}