@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--paper:#f6f5f0;--surface:#fff;--ink:#202c38;--muted:#75808b;--line:#e4e6e2;--blue:#5969d8;--blue-soft:#edf0ff;--orange:#d99749;--green:#348971;--red:#bd625e;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px 'DM Sans',system-ui,sans-serif}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button,summary{cursor:pointer}a{color:var(--blue);text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #aab3ff;outline-offset:3px}button{color:inherit}button:disabled{opacity:.4;cursor:default}.topbar{height:77px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:#fafaf7}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:15px;font-weight:800;letter-spacing:2px}.brand-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--ink);color:white;font:800 19px Manrope,system-ui}.brand-sub{font-size:10px;letter-spacing:1.5px;color:var(--muted);font-weight:500}.top-note{font-size:10px;letter-spacing:1.2px;color:var(--muted);display:flex;align-items:center;gap:8px}.dot{width:6px;height:6px;background:var(--green);border-radius:50%}main{max-width:1500px;margin:auto;padding:0 5vw}.intro{display:flex;align-items:center;justify-content:space-between;gap:35px;padding:49px 0 43px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.7px;color:var(--muted);margin:0 0 12px}h1{font:700 clamp(36px,4vw,54px)/1.1 Manrope,system-ui;margin:0 0 17px;letter-spacing:-2px}.lede{font-size:14px;line-height:1.7;color:var(--muted);margin:0}.run-cards{display:flex;gap:12px}.run-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px 22px;min-width:185px}.run-name{font-size:12px;font-weight:700;display:flex;gap:8px;align-items:center}.model-dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}.sol .model-dot{background:var(--blue)}.run-value{font:700 34px Manrope,system-ui;letter-spacing:-1px;margin:13px 0 4px}.run-value span{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:0;margin-left:6px}.run-meta{font-size:10px;color:var(--muted);line-height:1.7}.workspace{display:grid;grid-template-columns:190px minmax(0,1fr);gap:30px;border-top:1px solid var(--line);padding-top:29px}aside{border-right:1px solid var(--line);padding-right:20px}.aside-heading{display:flex;justify-content:space-between;font-size:10px;font-weight:700;letter-spacing:1.4px;color:var(--muted);margin:6px 0 18px}.aside-heading span{font-family:var(--mono);font-weight:400}#games{display:flex;flex-direction:column;gap:5px}.game-button{display:flex;align-items:center;justify-content:space-between;gap:5px;background:none;border:0;border-radius:7px;padding:12px 11px;text-align:left;font-size:12px;width:100%;transition:background .15s}.game-button:hover{background:#eceeea}.game-button.active{background:var(--ink);color:white}.game-button .game-wins{font:10px var(--mono);opacity:.65}.sidebar-note{padding:24px 11px;color:var(--muted);font-size:11px;line-height:1.9;border-bottom:1px solid var(--line)}.about{padding:18px 10px;color:var(--muted);font-size:11px;line-height:1.7}.about summary{font-weight:600}.stage{min-width:0}.stage-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}h2{font:700 27px Manrope,system-ui;letter-spacing:-.7px;margin:0}.stage-heading .eyebrow{margin-bottom:6px;font-size:9px}.filters{display:flex;gap:10px}.filters label{display:flex;flex-direction:column;gap:6px;font-size:9px;letter-spacing:.5px;color:var(--muted)}select{border:1px solid var(--line);border-radius:6px;background:#fff;padding:8px 25px 8px 10px;font-size:11px;color:var(--ink);min-height:34px}.game-score{font-size:11px;color:var(--muted);margin:0 0 20px;display:flex;flex-wrap:wrap;gap:15px}.game-score b{color:var(--ink);font-weight:500}.playback{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:#efefeb;border-radius:9px;padding:10px 12px;margin-bottom:18px}.icon-button{border:0;background:transparent;font-size:17px;padding:4px 7px}.play-button{border:1px solid var(--line);background:#fff;border-radius:5px;padding:7px 12px;font-size:11px;white-space:nowrap;min-width:68px}input[type=range]{accent-color:var(--blue);flex:1;min-width:30px;margin:0 10px;cursor:pointer}#progress{font:10px var(--mono);color:var(--muted);white-space:nowrap;min-width:58px}.text-button{border:0;background:none;color:var(--muted);font-size:10px;white-space:nowrap}.panels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.panels.single{grid-template-columns:1fr}.panel{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;min-width:0}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:18px 19px 12px}.panel-title{font-size:12px;font-weight:700;display:flex;align-items:center;gap:8px}.badge{border-radius:4px;font-size:9px;text-transform:uppercase;font-weight:700;letter-spacing:.8px;padding:5px 8px;background:#f4f0ec;color:var(--muted)}.badge.win{color:var(--green);background:#eaf5ef}.badge.loss{color:var(--red);background:#fbefee}.badge.error{color:#a2772c;background:#fff4de}.panel-meta{display:flex;gap:10px;padding:0 19px 14px;color:var(--muted);font-size:10px;flex-wrap:wrap}.board-wrap{background:#f8f9f6;margin:0 14px;border:1px solid #eceee8;border-radius:8px;padding:9px;position:relative}.board{width:100%;height:300px;display:block}.single .board{height:380px}.board text{font-family:var(--mono);pointer-events:none}.board-status{display:flex;justify-content:space-between;gap:8px;padding:11px 6px 2px;border-top:1px solid var(--line);font:9px var(--mono);color:var(--muted)}.board-status strong{font-weight:500;color:var(--ink)}.legend{display:flex;gap:13px;align-items:center;padding:12px 19px;font-size:9px;color:var(--muted)}.legend .stone{width:8px;height:8px;border-radius:50%;background:var(--ink);display:inline-block;margin-right:4px}.legend .p2{background:var(--orange)}.legend .neutral{background:#c6cad0}.legend label{margin-left:auto;display:flex;gap:4px;align-items:center}.legend input{accent-color:var(--blue)}.error-note{margin:0 15px 12px;background:#fff6e7;color:#926a28;font-size:11px;border:1px solid #f4e5c9;line-height:1.6;border-radius:6px;padding:10px}.tabs{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0 13px;gap:13px}.tab{font-size:10px;border:0;border-bottom:2px solid transparent;padding:12px 3px;background:transparent;color:var(--muted)}.tab.active{color:var(--blue);border-bottom-color:var(--blue)}.tab-body{height:330px;overflow:auto;overscroll-behavior:contain;padding:0 15px;scrollbar-width:thin}.move-table{border-collapse:collapse;width:100%;font-size:10px}.move-table th{position:sticky;top:0;background:white;text-align:left;font-size:9px;color:var(--muted);font-weight:500;padding:11px 6px;border-bottom:1px solid var(--line)}.move-table td{padding:9px 6px;border-bottom:1px solid #f0f1ee;line-height:1.5;vertical-align:top;overflow-wrap:anywhere}.move-table td:first-child{font-family:var(--mono);color:var(--muted);width:30px}.move-table td:nth-child(2){white-space:nowrap;width:58px}.move-table tr.future{opacity:.35}.move-table tr.current{background:var(--blue-soft)}.actor{font-size:9px;font-weight:600;color:var(--blue)}.actor.opponent{color:var(--muted)}.trace-tools{position:sticky;top:0;z-index:1;background:white;padding:10px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:9px;color:var(--muted)}.trace-tools select{font-size:9px;min-height:28px;padding:5px 20px 5px 7px}.trace-event{border-bottom:1px solid var(--line);font-size:10px}.trace-event summary{padding:10px 0;line-height:1.6;overflow-wrap:anywhere;display:flex;justify-content:space-between;gap:10px}.trace-event summary span:first-child{font-family:var(--mono);font-size:9px}.trace-event.current{background:#f2f4ff}.trace-event.error summary{color:var(--red)}.trace-event pre,pre.text-board{white-space:pre-wrap;overflow-wrap:anywhere;font:10px/1.6 var(--mono);background:#f7f8f5;border-radius:5px;padding:12px;max-height:280px;overflow:auto}.trace-event .message{font-size:11px;line-height:1.65;white-space:pre-wrap;padding:4px 4px 10px}.empty{color:var(--muted);font-size:11px;padding:30px 10px;line-height:1.6}.download-bar{padding:12px 17px;display:flex;justify-content:space-between;gap:8px;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}.download-bar a{white-space:nowrap}.rules{background:transparent;border:1px solid var(--line);border-radius:8px;margin-top:18px;padding:15px 17px;font-size:11px}.rules summary{font-weight:600}.rules p{line-height:1.8;color:var(--muted)}.rules pre{white-space:pre-wrap;font:10px/1.7 var(--mono);color:var(--muted);padding:15px;background:#eeefe9;border-radius:6px}.playback-note{font-size:10px;color:var(--muted);line-height:1.7;margin:12px 0 0}footer{margin:35px 0 24px;border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted)}#fatal{position:fixed;bottom:20px;left:20px;right:20px;background:#fff1eb;border:1px solid #bd625e;padding:20px;border-radius:8px;z-index:5}.loading{min-height:300px;display:grid;place-items:center;color:var(--muted);grid-column:1/-1}.site:hover{filter:brightness(.93)}
@media(min-width:1500px){main{padding:0 55px}}@media(max-width:1050px){main{padding:0 3vw}.workspace{grid-template-columns:155px minmax(0,1fr);gap:18px}aside{padding-right:12px}.run-card{min-width:158px;padding:16px}.stage-heading{align-items:flex-start}.filters{gap:5px}.board{height:260px}.panel-header{padding:14px 13px 10px}.panel-title{font-size:11px}.legend{padding:10px 13px;gap:7px}.text-button{display:none}}@media(max-width:760px){.topbar{height:60px;padding:0 5vw}.brand-sub{display:none}.top-note{font-size:8px}.intro{padding:30px 0;display:block}.run-cards{margin-top:23px}.run-card{flex:1}.run-value{font-size:29px}.workspace{display:block;padding-top:20px}aside{border:0;padding:0}.aside-heading{margin-bottom:10px}#games{flex-direction:row;overflow:auto;padding-bottom:12px;margin-bottom:15px}.game-button{white-space:nowrap;width:auto;padding:9px 12px}.game-wins,.sidebar-note,.about{display:none}.stage-heading{display:block}.filters{margin-top:16px;gap:10px}.filters label{flex:1}.filters select{width:100%}.panels{grid-template-columns:1fr}.board{height:320px}.tab-body{height:290px}.stage-heading .eyebrow{font-size:8px}.game-score{gap:7px;flex-direction:column;margin-bottom:15px}.playback{gap:3px;padding:8px}.playback input{margin:0 7px}footer{flex-direction:column;line-height:1.6}.lede br{display:none}.single .board{height:320px}h1{letter-spacing:-1px}.run-value span{display:block;margin:0;margin-top:4px}.brand{font-size:12px}}