:root{--bg:#302e2b;--panel:#262522;--panel-head:#21201d;--panel-line:#3c3a37;--text:#ffffffe6;--muted:#ffffff80;--row-alt:#2a2926;--active:#484644;--btn:#3c3a37;--btn-hover:#4a4845;--green:#81b64c;--green-dark:#45753c;--board:#e6c48c;--grid:#5b3a1a;--coord:#7a5329;--last:#f6f66980;--sel:#f6f66999;--hint:#0003;--arrow-best:#5b8fd6;--piece-face:#f7ead0;--piece-edge:#6b4a24;--cho:#1e7a3c;--han:#c3261c;--eval-cho:#fff;--eval-han:#403d39;color:var(--text);background:var(--bg);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,Noto Sans KR,sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}button{font:inherit;color:inherit;cursor:pointer}.app{--board-h:min(calc(100vh - 120px), 820px);justify-content:center;align-items:flex-start;gap:16px;padding:16px;display:flex}.board-area{gap:8px;display:flex}.board-col{flex-direction:column;gap:6px;display:flex}.board-wrap{height:var(--board-h);aspect-ratio:9.9/10.9;justify-content:center;align-items:center;display:flex}.board{-webkit-user-select:none;user-select:none;touch-action:none;border-radius:4px;width:100%;height:100%;display:block}.board .piece{cursor:grab}.hanja{pointer-events:none;font-family:Songti TC,STSong,Noto Serif KR,AppleMyungjo,serif;font-weight:700}.coords text{pointer-events:none;font-weight:600}.loading{color:var(--muted)}.player{align-items:center;gap:8px;height:34px;font-size:14px;font-weight:600;display:flex}.avatar{background:var(--piece-face);border-radius:3px;place-items:center;width:32px;height:32px;font-family:Songti TC,STSong,serif;font-weight:700;display:grid}.avatar.cho{color:var(--cho)}.avatar.han{color:var(--han)}.evalbar{width:28px;height:var(--board-h);background:var(--eval-han);border-radius:3px;flex-direction:column-reverse;margin-top:40px;display:flex;position:relative;overflow:hidden}.evalbar.flipped{flex-direction:column}.evalbar.hidden{visibility:hidden}.evalbar-cho{background:var(--eval-cho);transition:height .6s}.evalbar-label{text-align:center;font-size:11px;font-weight:700;position:absolute;left:0;right:0}.evalbar-label.cho{color:#403d39;bottom:6px}.evalbar-label.han{color:#fff;top:6px}.evalbar.flipped .evalbar-label.cho{top:6px;bottom:auto}.evalbar.flipped .evalbar-label.han{top:auto;bottom:6px}.panel{width:420px;height:calc(var(--board-h) + 80px);background:var(--panel);border-radius:6px;flex-direction:column;display:flex;overflow:hidden}.panel-head{background:var(--panel-head);justify-content:center;padding:14px 16px;display:flex}.panel-title{align-items:center;gap:8px;font-size:18px;font-weight:700;display:inline-flex}.engine{border-bottom:1px solid var(--panel-line)}.engine-head{align-items:center;gap:10px;padding:10px 12px;display:flex}.engine-name{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-left:auto;font-size:12px;overflow:hidden}.eval-big{font-size:18px;font-weight:800}.switch{flex:none;width:34px;height:18px;position:relative}.switch input{display:none}.switch span{cursor:pointer;background:#5c5a57;border-radius:9px;transition:background .15s;position:absolute;inset:0}.switch span:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .15s;position:absolute;top:2px;left:2px}.switch input:checked+span{background:var(--green)}.switch input:checked+span:after{transform:translate(16px)}.lines{padding:0 0 6px}.line{align-items:center;gap:8px;min-height:28px;padding:4px 12px;font-size:13px;display:flex}.line-moves{white-space:nowrap;text-overflow:ellipsis;color:var(--text);overflow:hidden}.muted{color:var(--muted)}.chip{text-align:center;border-radius:3px;flex:none;min-width:52px;padding:3px 6px;font-size:12px;font-weight:700}.chip.cho{color:#262522;background:#fff}.chip.han{color:#fff;background:#403d39}.movelist{flex:1;font-size:14px;font-weight:600;overflow-y:auto}.movelist-empty{color:var(--muted);padding:16px;font-size:13px;font-weight:400}.move-row{grid-template-columns:48px 1fr 1fr;align-items:center;padding:2px 8px;display:grid}.move-row:nth-child(2n){background:var(--row-alt)}.move-no{color:var(--muted);padding-left:8px}.move{cursor:pointer;border-radius:3px;width:fit-content;min-width:60px;padding:4px 8px}.move:hover{background:var(--btn)}.move.active{background:var(--active);border-bottom:2px solid #ffffff40}.move.empty{cursor:default}.result-banner{text-align:center;background:var(--panel-head);padding:8px;font-weight:800}.controls{background:var(--panel-head);grid-template-columns:repeat(4,1fr);gap:4px;padding:8px;display:grid}.controls button{background:var(--btn);color:#fffc;border:none;border-radius:4px;place-items:center;height:40px;display:grid;box-shadow:0 3px #1d1c1a}.controls button:hover:not(:disabled){background:var(--btn-hover);color:#fff}.controls button:disabled{opacity:.35;cursor:default;box-shadow:none}.actions{background:var(--panel-head);gap:6px;padding:0 8px 8px;display:flex}.btn{background:var(--btn);border:none;border-radius:4px;flex:1;padding:8px 10px;font-size:13px;font-weight:600}.btn:hover:not(:disabled){background:var(--btn-hover)}.btn:disabled{opacity:.4;cursor:default}.btn.primary{background:var(--green);box-shadow:0 3px 0 var(--green-dark)}.setup{background:var(--panel-head);border-top:1px solid var(--panel-line);align-items:flex-end;gap:8px;padding:10px;display:flex}.setup label{color:var(--muted);flex-direction:column;gap:4px;font-size:12px;display:flex}.setup select{background:var(--btn);color:var(--text);font:inherit;border:none;border-radius:4px;padding:6px}@media (width<=900px){.app{--board-h:min(calc((100vw - 76px) * 10.9 / 9.9), 80vh);flex-direction:column;align-items:center}.panel{width:100%;height:520px}}.panel-head.tabs{justify-content:stretch;padding:0}.tab{color:var(--muted);background:0 0;border:none;border-bottom:3px solid #0000;flex:1;justify-content:center;align-items:center;gap:8px;padding:14px 8px 12px;font-size:15px;font-weight:700;display:inline-flex}.tab.active{color:var(--text);border-bottom-color:var(--text)}:root{--arrow-review:#81b64c}.review{border-bottom:1px solid var(--panel-line);flex-direction:column;gap:10px;padding:12px;display:flex}.coach{align-items:flex-start;gap:10px;display:flex}.coach-avatar{background:var(--piece-face);width:40px;height:40px;color:var(--cho);border-radius:6px;flex:none;place-items:center;font-family:Songti TC,STSong,serif;font-size:22px;font-weight:700;display:grid}.bubble{color:#312e2b;background:#fff;border-radius:6px;flex:1;min-height:40px;padding:10px 12px;font-size:14px;line-height:1.45;position:relative}.bubble:before{content:"";border:6px solid #0000;border-left:0;border-right-color:#fff;position:absolute;top:14px;left:-6px}.coach-title{align-items:center;gap:6px;font-weight:700;display:flex}.coach-title .chip{border:1px solid #0002;margin-left:auto}.coach-best{color:#5c5a57;flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px;display:flex}.coach-best b{color:var(--green-dark)}.coach-line{color:#312e2b;margin-top:6px;font-size:13px;font-weight:600}.link{color:#4a7bb7;background:0 0;border:none;margin-left:auto;padding:0;font-size:13px;font-weight:600}.progress{background:var(--btn);border-radius:5px;height:10px;overflow:hidden}.progress div{background:var(--green);height:100%;transition:width .2s}.graph{cursor:pointer;border-radius:4px;height:72px;position:relative;overflow:hidden}.graph svg{width:100%;height:100%;display:block}.graph-cur{pointer-events:none;background:#4a90e2;width:2px;margin-left:-1px;position:absolute;top:0;bottom:0}.graph-dot{pointer-events:none;border:1px solid #fff;border-radius:50%;width:8px;height:8px;margin:-4px 0 0 -4px;position:absolute}.accuracy{grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;display:grid}.acc-label{color:var(--muted);font-size:13px;font-weight:600}.acc-box{border-radius:4px;justify-content:space-between;align-items:center;padding:6px 12px;font-weight:800;display:flex}.acc-box.cho{color:#312e2b;background:#fff}.acc-box.han{color:#fff;background:#403d39}.acc-name{font-size:13px}.acc-val{font-size:20px}.summary{flex-direction:column;display:flex}.summary-row{grid-template-columns:1fr 40px 24px 40px;align-items:center;gap:8px;height:24px;font-size:13px;display:grid}.sum-label{color:var(--muted);font-weight:600}.sum-n{text-align:center;font-weight:800}.class-icon{vertical-align:-3px;flex:none}.move{align-items:center;gap:4px;display:inline-flex}.movelist{min-height:120px}:root{--draw-orange:#fa0;--draw-green:#15781b;--draw-red:#d0312d;--draw-blue:#1d4fa8}.variations{color:#ffffffb3;background:#1f1e1c;padding:4px 12px 6px 56px;font-size:13px;font-weight:500;line-height:1.7}.variation+.variation{border-top:1px solid #ffffff10}.vmove{cursor:pointer;border-radius:3px;margin-right:2px;padding:1px 3px}.vmove:hover{background:var(--btn)}.vmove.active{background:var(--active);color:#fff}.vparen{color:#ffffff80}.ctx-menu{z-index:50;background:#3c3a37;border-radius:6px;flex-direction:column;min-width:150px;padding:4px;display:flex;position:fixed;box-shadow:0 6px 20px #0008}.ctx-menu button{text-align:left;background:0 0;border:none;border-radius:4px;padding:8px 10px;font-size:13px}.ctx-menu button:hover{background:#4a4845}.shell{min-height:100vh;display:flex}.sidebar{background:#262421;flex-direction:column;flex:none;align-items:stretch;gap:2px;width:76px;padding-top:10px;display:flex}.logo{text-align:center;color:var(--green);padding:6px 0 14px;font-family:Songti TC,STSong,serif;font-size:18px;font-weight:800}.sidebar button{color:#ffffffb3;background:0 0;border:none;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;font-size:12px;font-weight:700;display:flex}.sidebar button.active,.sidebar button:hover{color:#fff;background:#1f1e1c}.page{flex:1;min-width:0}.page[hidden]{display:none}.player-rating{color:var(--muted);font-weight:500}.clock{text-align:right;font-variant-numeric:tabular-nums;color:#fff9;background:#262421;border-radius:3px;min-width:96px;margin-left:auto;padding:2px 10px;font-size:20px;font-weight:700}.clock.active{color:#262421;background:#fff}.clock.active.low{color:#fff;background:#d0312d}.board-col .player{width:100%}.panel-head .me{color:var(--muted);align-items:center;gap:10px;margin-left:auto;font-size:13px;display:flex}.panel-head:has(.me){justify-content:flex-start;align-items:center}.link.light{color:#9cc3f5;margin:0}.conn-warn,.notice{color:#f7c631;background:#3d3420;padding:8px 12px;font-size:13px}.notice{color:#a6d77a;cursor:pointer;background:#233a1f}.lobby{flex-direction:column;flex:1;gap:10px;min-height:0;padding:12px;display:flex}.seeking{background:var(--btn);border-radius:6px;align-items:center;gap:10px;padding:12px;font-weight:700;display:flex}.seeking .btn{flex:none;margin-left:auto}.spinner{border:3px solid #ffffff30;border-top-color:var(--green);border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.lobby-tabs{border-bottom:1px solid var(--panel-line);gap:4px;display:flex}.lobby-tabs button{color:var(--muted);background:0 0;border:none;border-bottom:2px solid #0000;padding:8px 12px;font-weight:700}.lobby-tabs button.active{color:var(--text);border-bottom-color:var(--text)}.lobby-list{flex:1;overflow-y:auto}.hist-row{cursor:pointer;border-radius:4px;grid-template-columns:32px 1fr auto 48px;align-items:center;gap:8px;padding:8px 6px;font-size:13px;display:grid}.hist-row:hover{background:var(--row-alt)}.hist-row.me-row{background:#2f3a26}.hist-res{border-radius:4px;place-items:center;width:24px;height:24px;font-size:12px;font-weight:800;display:grid}.hist-res.win{background:var(--green)}.hist-res.loss{background:#d0312d}.hist-res.draw{background:#6b6966}.hist-opp{text-overflow:ellipsis;white-space:nowrap;font-weight:700;overflow:hidden}.hist-delta{text-align:right;font-weight:800}.up{color:var(--green)}.down{color:#e8584d}.rank{color:var(--muted);text-align:center;font-weight:800}.pad{padding:16px 4px}.small{font-size:12px}.setup-wait,.setup-pick{border-bottom:1px solid var(--panel-line);flex-direction:column;gap:8px;padding:14px 12px;font-weight:700;display:flex}.setup-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.setup-grid .btn{padding:12px;font-size:15px}.result-box{background:var(--panel-head);border-top:1px solid var(--panel-line);text-align:center;flex-direction:column;gap:8px;padding:14px 12px;display:flex}.result-title{font-size:20px;font-weight:800}.result-delta{font-weight:700}.result-actions{gap:6px;display:flex}.draw-offer{background:#3d3420;align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:700;display:flex}.draw-offer .btn{flex:none}.btn.danger:hover{background:#8b2a26}.login-wrap{place-items:center;min-height:100vh;padding:16px;display:grid}.login{background:var(--panel);border-radius:8px;flex-direction:column;gap:12px;width:min(380px,100%);padding:24px;display:flex}.login h2{margin:0}.login p{margin:0;line-height:1.5}.login label{color:var(--muted);flex-direction:column;gap:6px;font-size:13px;font-weight:700;display:flex}.login input{border:1px solid var(--panel-line);font:inherit;color:var(--text);background:#1f1e1c;border-radius:4px;padding:10px;font-size:15px}.error{color:#e8584d;font-size:13px;font-weight:600}.variation-note{color:var(--muted);background:#1f1e1c;padding:6px 12px;font-size:12px}@media (width<=900px){.shell{flex-direction:column}.sidebar{flex-direction:row;width:100%;padding:0}.logo{padding:12px}.sidebar button{flex-direction:row;padding:12px 14px}}.vmove .class-icon{margin:0 2px}.review{flex:0 auto;min-height:0;overflow-y:auto}.panel .movelist{flex:1 0 140px}.review .bubble{min-height:64px}.pv-move{cursor:pointer;border-radius:3px;padding:0 2px}.pv-move:hover{background:#ffffff26;text-decoration:underline}.bubble .pv-move:hover{background:#0000001a}.line-moves .pv-move{font-weight:600}.setup{flex-direction:column;align-items:stretch}.setup-label{color:var(--muted);font-size:12px;font-weight:700}.setup-icon{background:var(--board);box-sizing:border-box;border-radius:3px;width:100%;padding:3px 2px;display:block}.setup-option{background:var(--btn);border:2px solid #0000;border-radius:6px;flex-direction:column;align-items:stretch;gap:4px;padding:6px;display:flex}.setup-option:hover{background:var(--btn-hover);border-color:#ffffff40}.setup-option.chosen{border-color:var(--green)}.setup-name{color:var(--muted);font-size:12px;font-weight:700}.setup-phase{border-bottom:1px solid var(--panel-line)}.setup-phase .setup-wait,.setup-phase .setup-pick{border-bottom:none}.opp-setup{color:var(--muted);flex-direction:column;gap:6px;padding:12px 12px 0;font-size:13px;font-weight:700;display:flex}.avatar-img{object-fit:cover;border-radius:4px;flex:none}.profile-card{background:#2b2a27;border-radius:8px;align-items:center;gap:12px;padding:12px;display:flex}.profile-photo{background:0 0;border:none;border-radius:6px;flex:none;padding:0;display:grid;position:relative;overflow:hidden}.profile-photo .avatar{border-radius:6px;width:56px;height:56px}.profile-edit{color:#fff;opacity:0;background:#000a;padding:2px 0;font-size:11px;font-weight:700;transition:opacity .15s;position:absolute;inset:auto 0 0}.profile-photo:hover .profile-edit{opacity:1}.profile-text{flex-direction:column;align-items:flex-start;gap:2px;min-width:0;display:flex}.profile-name{font-size:16px;font-weight:800}.seek-card{background:#2b2a27;border-radius:8px;align-items:center;gap:12px;padding:12px;display:flex}.seek-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.seek-tc{font-size:18px;font-weight:800}.seek-btn{flex:none;padding:10px 22px;font-size:15px;font-weight:800}.seek-card .seeking{background:0 0;flex:none;padding:0;font-size:13px}.btn.ghost{background:0 0;border:1px solid #ffffff30;padding:6px 12px}.btn.ghost:hover{background:#ffffff14}.btn.big{padding:11px 14px;font-size:15px;font-weight:800}.review>.btn.big{align-self:center;min-width:60%}.setup-icon.compact{padding:4px 6px}.sidebar{position:relative}.sidebar-bottom{margin-top:auto;margin-bottom:10px}.snd-icon{font-size:18px;line-height:18px}.snd-pop{z-index:60;border:1px solid var(--panel-line);background:#2b2a27;border-radius:8px;flex-direction:column;gap:8px;width:260px;padding:12px;font-size:13px;display:flex;position:fixed;bottom:12px;left:84px;box-shadow:0 10px 30px #000a}.snd-head{justify-content:space-between;align-items:center;display:flex}.snd-section{flex-direction:column;gap:2px;display:flex}.snd-title{color:var(--muted);margin:4px 0 2px;font-size:12px;font-weight:800}.snd-row{cursor:pointer;border-radius:4px;align-items:center;gap:8px;padding:5px 6px;display:flex}.snd-row:hover{background:#ffffff10}.snd-row.on{background:#3a4a2c}.snd-row span{flex:1}.snd-play{background:var(--btn);border:none;border-radius:4px;width:26px;height:22px;font-size:10px}.snd-play:hover{background:var(--btn-hover)}@media (width<=900px){.sidebar-bottom{margin:0 0 0 auto}.snd-pop{width:auto;bottom:12px;left:12px;right:12px}}:root{--premove:#e2504a8c}.ranking{box-sizing:border-box;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:16px;max-width:1200px;height:100vh;margin:0 auto;padding:16px;display:grid}.rank-card{background:var(--panel);border-radius:8px;flex-direction:column;min-height:0;display:flex;overflow:hidden}.rank-head{background:var(--panel-head);align-items:center;gap:12px;padding:14px 16px;display:flex}.rank-head h2{margin:0;font-size:18px}.rank-search{border:1px solid var(--panel-line);width:min(240px,60%);font:inherit;color:var(--text);background:#1f1e1c;border-radius:4px;margin-left:auto;padding:8px 10px;font-size:13px}.rank-table{flex:1;overflow-y:auto}.rank-row{cursor:pointer;border-bottom:1px solid #ffffff08;grid-template-columns:44px minmax(0,1fr) 70px 90px 52px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;display:grid}.rank-row:hover{background:var(--row-alt)}.rank-row.selected{background:#3a3936}.rank-row.me-row{box-shadow:inset 3px 0 0 var(--green)}.rank-labels{cursor:default;color:var(--muted);background:var(--panel);font-size:12px;font-weight:700;position:sticky;top:0}.rank-labels:hover{background:var(--panel)}.rank-no{text-align:center;color:var(--muted);font-weight:800}.rank-no.top1{color:#f6c94a}.rank-no.top2{color:#cfd3d8}.rank-no.top3{color:#d39563}.rank-player{align-items:center;gap:10px;min-width:0;display:flex}.rank-player .avatar{border-radius:4px}.rank-name{white-space:nowrap;text-overflow:ellipsis;font-weight:700;overflow:hidden}.rank-rating{font-weight:800}.rank-wdl{font-variant-numeric:tabular-nums;font-weight:700}.pd-head{background:var(--panel-head);align-items:center;gap:14px;padding:16px;display:flex}.pd-name{font-size:20px;font-weight:800}.pd-stats{grid-template-columns:repeat(6,1fr);gap:6px;padding:12px 16px;display:grid}.stat{background:#2b2a27;border-radius:6px;flex-direction:column;align-items:center;gap:2px;padding:8px 2px;display:flex}.stat-val{font-size:18px;font-weight:800}.pd-title,.lobby-title{color:var(--muted);padding:4px 16px;font-size:13px;font-weight:800}.lobby-title{padding:4px 4px 0}.pd-games{flex:1;padding:0 10px 10px;overflow-y:auto}@media (width<=900px){.ranking{grid-template-columns:1fr;height:auto}.rank-row{grid-template-columns:32px minmax(0,1fr) 56px 80px}.rank-row>:last-child{display:none}.pd-stats{grid-template-columns:repeat(3,1fr)}}.player-main{flex-direction:column;gap:1px;min-width:0;display:flex}.player-line{align-items:baseline;gap:6px;display:flex}.material{align-items:center;gap:1px;height:14px;font-size:11px;line-height:14px;display:flex}.cap-piece{background:var(--piece-face);border-radius:3px;place-items:center;width:14px;height:14px;font-family:Songti TC,STSong,serif;font-size:10px;font-weight:700;display:inline-grid}.cap-piece.cho{color:var(--cho)}.cap-piece.han{color:var(--han)}.cap-piece.a,.cap-piece.p{transform:scale(.85)}.material .lead{color:var(--text);margin-left:4px;font-weight:800}.material .score{color:var(--muted);margin-left:6px;font-weight:500}.mini-board{z-index:70;aspect-ratio:9.9/10.9;pointer-events:none;background:#1f1e1c;border-radius:6px;width:240px;padding:4px;position:fixed;box-shadow:0 10px 30px #000c}.lines-toggle{color:var(--muted);background:0 0;border:none;padding:0 4px;font-size:14px}.lines-toggle:hover{color:var(--text)}.lines.open .line{align-items:flex-start}.lines.open .line-moves{white-space:normal;line-height:1.6}.material{gap:2px;height:18px}.cap-piece{width:18px;height:18px;font-size:13px}.material{gap:0}.cap-piece{margin-left:3px;position:relative;box-shadow:-1px 0 0 1px #262421}.cap-piece:first-child{margin-left:0}.cap-piece.same{margin-left:-9px}.move-result{text-align:center;color:var(--text);padding:10px 8px;font-size:14px;font-weight:800}.online{color:var(--muted);cursor:default;flex-direction:column;align-items:center;gap:2px;margin-top:auto;margin-bottom:12px;font-size:11px;display:flex}.online b{color:var(--text);font-size:15px}.online-dot{background:var(--green);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #81b64c33}@media (width<=900px){.online{flex-direction:row;margin:0 12px 0 auto}}.online-badge{color:var(--muted);white-space:nowrap;align-items:center;gap:7px;font-size:12px;font-weight:600;display:inline-flex}.online-dot{width:7px;height:7px;box-shadow:0 0 0 3px #81b64c2e}.lobby-online{justify-content:center;margin-top:-2px;display:flex}.login-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.app{--panel-w:clamp(400px, 30vw, 560px);--tag-h:44px;--col-gap:6px;--board-h:min(calc(100vh - 2 * var(--tag-h) - 2 * var(--col-gap) - 40px), calc((100vw - 76px - var(--panel-w) - 36px - 28px - 40px) * 10.9 / 9.9));gap:28px;padding:20px}.board-col{gap:var(--col-gap)}.player{height:var(--tag-h)}.evalbar{margin-top:calc(var(--tag-h) + var(--col-gap))}.panel{width:var(--panel-w);height:calc(var(--board-h) + 2 * var(--tag-h) + 2 * var(--col-gap))}.line{min-height:30px;font-size:14px}.movelist{font-size:15px}.move-row{padding:3px 10px}.panel-head.tabs .tab{padding:16px 8px 14px;font-size:16px}@media (width<=900px){.app{--panel-w:100%;--board-h:min(calc((100vw - 76px) * 10.9 / 9.9), 80vh);gap:16px;padding:12px}.panel{height:520px}}.board .piece.ghost{opacity:.6}.sidebar a{color:#ffffffb3;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;font-size:12px;font-weight:700;text-decoration:none;display:flex}.sidebar a.active,.sidebar a:hover{color:#fff;background:#1f1e1c}.seo-fallback{color:#ffffffb3;max-width:720px;margin:12vh auto;padding:0 24px;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,sans-serif;line-height:1.7}.seo-fallback h1{color:#fff;font-size:24px}.seo-fallback a{color:#81b64c}.doc{color:#ffffffd0;max-width:760px;margin:0 auto;padding:40px 28px 80px;font-size:15px;line-height:1.75}.doc h1{color:#fff;margin:0 0 20px;font-size:28px}.doc h2{color:#fff;border-top:1px solid var(--panel-line);margin:34px 0 10px;padding-top:18px;font-size:18px}.doc a{color:#8fc25a}.doc code{background:#ffffff14;border-radius:4px;padding:1px 5px;font-size:13px}.doc ul{padding-left:20px}.doc li{margin:6px 0}.doc table{border-collapse:collapse;width:100%;margin:8px 0;font-size:14px}.doc th,.doc td{text-align:left;vertical-align:top;border-bottom:1px solid var(--panel-line);padding:9px 10px}.doc th{color:#fff;background:#ffffff0a}.doc nav{color:var(--muted);margin-top:40px}.sidebar-foot{flex-direction:column;gap:2px;margin-top:auto;padding:10px 0 14px;display:flex}.sidebar .foot-link{color:#fff6;padding:4px;font-size:10px;font-weight:600}.sidebar .foot-link.active,.sidebar .foot-link:hover{color:#fffc;background:0 0}@media (width<=900px){.sidebar-foot{flex-direction:row;align-items:center;margin:0 0 0 auto;padding:0 8px}}.sidebar{height:100vh;position:sticky;top:0}@media (width<=900px){.sidebar{height:auto;position:static}}.opening-bar{border-bottom:1px solid var(--panel-line);color:#fffc;align-items:center;gap:8px;min-height:36px;padding:8px 12px;font-size:13px;font-weight:600;display:flex}.opening-name{flex:1;min-width:0;line-height:1.4}.opening-link{color:#8fc25a;flex:none;font-size:12px;text-decoration:none}.opening-link:hover{text-decoration:underline}.explorer{border-bottom:1px solid var(--panel-line);flex:0 auto;max-height:45%;overflow-y:auto}.explorer-head,.explorer-row{grid-template-columns:70px 76px 1fr;align-items:center;gap:10px;padding:6px 12px;display:grid}.explorer-head{color:var(--muted);font-size:12px;font-weight:700}.explorer-row{text-align:left;background:0 0;border:none;width:100%;font-size:14px}.explorer-row:hover{background:var(--row-alt)}.explorer-move{font-weight:800}.explorer-n{font-size:13px}.explorer-bar{border-radius:3px;height:18px;font-size:11px;font-weight:700;line-height:18px;display:flex;overflow:hidden}.explorer-bar span{text-align:center;white-space:nowrap;overflow:hidden}.b-cho{color:#312e2b;background:#fff}.b-draw{background:#8a8784}.b-han{color:#fff;background:#403d39}.studies{grid-template-columns:200px minmax(0,1fr);gap:28px;max-width:1300px;margin:0 auto;padding:32px 40px;display:grid}.studies-nav{flex-direction:column;gap:2px;padding-top:6px;display:flex}.studies-nav a{color:#ffffffb3;border-radius:4px;padding:9px 12px;font-size:14px;text-decoration:none}.studies-nav a:hover{background:#ffffff0d}.studies-nav a.active{color:#fff;background:#ffffff14}.studies-nav-title{color:var(--muted);margin:14px 12px 4px;font-size:12px;font-weight:700}.studies-box{background:var(--panel);border-radius:6px;overflow:hidden}.studies-head{align-items:center;gap:16px;padding:28px 40px;display:flex}.studies-head h1{flex:1;margin:0;font-size:34px;font-weight:300}.studies-head select{color:var(--text);font:inherit;background:#3c3a37;border:1px solid #ffffff1a;border-radius:4px;min-width:200px;padding:9px 12px;font-size:14px}.study-grid{border-top:1px solid #ffffff12;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));display:grid}.study-card{color:inherit;border-bottom:1px solid #ffffff12;border-right:1px solid #ffffff12;grid-template-columns:44px minmax(0,1fr) auto;gap:14px;padding:20px;text-decoration:none;display:grid;position:relative}.study-card:hover{background:#ffffff08}.study-icon{background:var(--piece-face);width:44px;height:44px;color:var(--cho);border-radius:6px;place-items:center;font-family:Songti TC,STSong,serif;font-size:14px;font-weight:800;display:grid}.study-card-title{color:#6fa8dc;text-overflow:ellipsis;white-space:nowrap;font-size:20px;line-height:1.25;text-decoration:none;display:block;overflow:hidden}.study-card-meta{color:var(--muted);margin:3px 0 8px;font-size:12px}.study-card-chapters{color:#ffffffb3;margin:0;padding:0;font-size:13px;list-style:none}.study-card-chapters li{text-overflow:ellipsis;white-space:nowrap;padding:1px 0 1px 18px;position:relative;overflow:hidden}.study-card-title:after{content:"";position:absolute;inset:0}.study-card-chapters a{z-index:1;color:inherit;text-decoration:none;position:relative}.study-card-chapters a:hover{color:#fff;text-decoration:underline}.study-card-chapters li.hit{color:#fff;font-weight:600}.study-card-chapters li.hit:before{background:#6fa8dc;border-color:#6fa8dc}.study-card-chapters li:before{content:"";border:1.5px solid #ffffff80;border-radius:50%;width:9px;height:9px;position:absolute;top:5px;left:0}.study{--st-board:min(calc(100vh - 176px), calc((100vw - 76px - 280px - 380px - 56px - 80px - 30px) * 10.9 / 9.9));grid-template-columns:280px auto 380px;justify-content:center;align-items:start;gap:28px;padding:32px 40px;display:grid}.study-chapters{background:var(--panel);border-radius:6px;overflow:hidden}.study-chapters-head{text-align:center;color:#e48d33;border-bottom:2px solid #e48d33;padding:12px;font-size:14px;font-weight:700}.study-chapters ol{max-height:calc(100vh - 120px);margin:0;padding:4px 0;list-style:none;overflow-y:auto}.study-chapters a{color:#fffc;gap:10px;padding:7px 12px;font-size:14px;text-decoration:none;display:flex}.study-chapters a:hover{background:#ffffff0a}.study-chapters li.active a{color:#6fa8dc;background:#ffffff14}.ch-no{color:#6fa8dc;min-width:16px;font-weight:700}.study-board{flex-direction:column;gap:0;display:flex}.study-board-wrap{height:var(--st-board)}.study-title{background:var(--panel);border-radius:4px 4px 0 0;align-items:center;gap:12px;margin-top:8px;padding:12px 14px;font-size:17px;display:flex}.study-title span{flex:1}.study-like{color:#fffc;background:0 0;border:none;font-size:17px;font-weight:700}.study-like.on{color:#e86b6b}.study-notation{color:#9cc7f2;margin-left:auto;margin-right:12px;font-size:13px;font-weight:400;text-decoration:none}.study-notation:hover{text-decoration:underline}.study-topics{background:var(--panel);border-radius:0 0 4px 4px;flex-wrap:wrap;gap:6px;padding:0 14px 12px;display:flex}.study-topics a{color:#6fa8dc;background:#3893e81f;border-radius:3px;padding:3px 10px;font-size:13px;text-decoration:none}.study-topics a.on{color:#fff;background:#3893e8}.study-side{background:var(--panel);height:calc(var(--st-board) + 60px);border-radius:6px;flex-direction:column;display:flex;overflow:hidden}.study-tree{flex:1;font-size:15px;overflow-y:auto}.tv-row{border-bottom:1px solid #ffffff0a;grid-template-columns:34px 1fr 1fr;align-items:center;display:grid}.tv-index{text-align:center;color:var(--muted);background:#ffffff08;align-self:stretch;place-items:center;font-size:13px;display:grid}.tv-move{cursor:pointer;padding:3px 8px;font-weight:600}.tv-move:hover{background:#3893e833}.tv-move.active{color:#fff;background:#3893e8}.tv-dots{color:var(--muted);cursor:default}.tv-dots:hover{background:0 0}.tv-num{color:var(--muted);margin-right:3px;font-weight:500}.glyph{margin-left:2px;font-weight:800}.tv-comment{white-space:pre-wrap;color:#ffffffd9;border-bottom:1px solid #ffffff0a;margin:0;padding:8px 12px;font-size:14px;line-height:1.6}.tv-variations{border-bottom:1px solid #ffffff0a;padding:4px 0 6px;font-size:13px}.tv-variation{padding:2px 10px 2px 22px;line-height:1.8;position:relative}.tv-variation:before{content:"";border-left:1px solid #ffffff2e;position:absolute;top:0;bottom:0;left:10px}.tv-variation .tv-move{padding:1px 3px;font-weight:500}.tv-inline-comment{color:#ffffffa6;white-space:pre-wrap;margin:0 4px}.tv-link{cursor:pointer;color:#9cc7f2;border-radius:3px;padding:0 1px}.tv-link:hover{color:#fff;background:#3893e855}.tv-link.active{color:#fff;background:#3893e8}.tv-paren{color:#ffffff80}.study-next{border-top:1px solid var(--panel-line);grid-template-columns:1fr 1fr;display:grid}.study-next button{text-align:left;background:#2e2c29;border:1px solid #ffffff12;border-top:none;border-left:none;padding:7px 10px;font-size:14px;font-weight:600}.study-next-kind{opacity:.75;font-size:11px;font-weight:500;display:block}.study-next button.main{color:#fff;background:#3893e8}.study-next button:hover{color:#fff;background:#3893e8cc}.study-controls{grid-template-columns:repeat(5,1fr)}@media (width<=1200px){.study{--st-board:min(calc((100vw - 76px - 380px - 28px - 64px - 30px) * 10.9 / 9.9), calc(100vh - 176px));grid-template-columns:auto 380px;padding:24px 32px}.study-chapters{grid-column:1/-1}}@media (width<=900px){.studies{grid-template-columns:1fr}.study{--st-board:min(calc((100vw - 32px) * 10.9 / 9.9), 80vh);grid-template-columns:1fr;gap:16px;padding:16px}.study-side{height:520px}}.study-badge{background:#ffffff14;border-radius:3px;margin-left:6px;padding:1px 6px;font-size:11px}.studies-head .study-create{flex:none;margin-left:auto;margin-right:12px;padding:7px 14px}.study-byline{background:var(--panel);color:var(--muted);align-items:center;gap:10px;padding:0 14px 10px;font-size:13px;display:flex}.study-byline span{flex:1}.study-byline a,.study-byline button{color:#9cc7f2;background:0 0;border:none;padding:0;font-size:13px;text-decoration:none}.study-byline a:hover,.study-byline button:hover{text-decoration:underline}.editor-chapter-tools{border-top:1px solid var(--panel-line);gap:6px;padding:10px;display:flex}.editor-chapter-tools button{background:var(--btn);border:none;border-radius:4px;flex:1;padding:6px;font-size:13px}.editor-chapter-tools button:disabled{opacity:.35}.editor-meta{background:var(--panel);border-radius:4px;flex-direction:column;gap:8px;margin-top:8px;padding:12px 14px;display:flex}.editor-meta input,.editor-meta textarea,.editor-note textarea,.editor-note input,.editor-chapter input,.editor-chapter select{color:inherit;font:inherit;background:#1f1e1c;border:1px solid #ffffff1f;border-radius:4px;padding:7px 9px;font-size:14px}.editor-meta .editor-title{font-size:17px;font-weight:700}.editor-topics{flex-wrap:wrap;gap:6px;display:flex}.editor-topics button,.editor-glyphs button{color:#9cc7f2;background:#3893e81f;border:none;border-radius:3px;padding:3px 9px;font-size:13px}.editor-topics button.on,.editor-glyphs button.on{color:#fff;background:#3893e8}.editor-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.editor-actions .btn{color:inherit;flex:none;text-decoration:none}.editor-status{color:var(--muted);font-size:13px}.editor-side{height:auto;min-height:calc(var(--st-board) + 60px)}.editor-side>:nth-child(2){flex:1;min-height:160px;overflow-y:auto}.editor-chapter{border-bottom:1px solid var(--panel-line);align-items:center;gap:8px;padding:10px;font-size:13px;display:flex}.editor-chapter input{flex:1;min-width:0}.editor-chapter label{align-items:center;gap:4px;display:flex}.editor-note{border-top:1px solid var(--panel-line);flex-direction:column;gap:6px;padding:10px;display:flex}.editor-note-head{font-size:13px;font-weight:700}.editor-glyphs{gap:4px;display:flex}.login .guest-btn{flex:none;padding:10px;font-size:14px}.editor-game{background:var(--panel);border-radius:4px;margin-top:8px;padding:10px 14px;font-size:13px}.editor-game summary{cursor:pointer;color:var(--muted)}.editor-game[open] summary{margin-bottom:10px}.editor-game-grid{grid-template-columns:1fr 1fr;gap:8px 10px;margin-bottom:6px;display:grid}.editor-game-grid label{flex-direction:column;gap:3px;display:flex}.editor-game-grid label.wide{grid-column:span 2}.editor-game input{flex:100%}.study-game{border-bottom:1px solid var(--panel-line);flex-wrap:wrap;align-items:baseline;gap:4px 14px;padding:10px 12px;font-size:13px;display:flex}.study-game .vs{font-size:14px;font-weight:700}.study-game a{color:#9cc7f2}.tv-chapter-link{color:#9cc7f2;text-underline-offset:2px;text-decoration:underline}.records{max-width:960px;margin:0 auto;padding:32px 40px}.records-head{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:20px;display:flex}.records-head h1{margin:0 0 8px;font-size:24px}.records-head p{margin:4px 0;line-height:1.6}.records-head a,.record-bar a{color:#9cc7f2}.record-list{background:var(--panel);border-radius:4px;margin:0;padding:0;list-style:none}.record-list li+li{border-top:1px solid var(--panel-line)}.record-list a{color:inherit;grid-template-columns:minmax(0,1.3fr) minmax(0,1.4fr) minmax(0,1fr) auto;align-items:baseline;gap:12px;padding:12px 16px;text-decoration:none;display:grid}.record-list a:hover{background:#ffffff0a}.record-players{font-weight:700}.record-players .side,.study-game .side{color:var(--muted);margin-right:3px;font-weight:400}.record-meta{color:var(--muted);font-size:13px}.record-study{color:#9cc7f2;font-size:12px}.record-study.pending{color:var(--muted)}@media (width<=700px){.records{padding:20px 16px}.records-head{flex-direction:column}.record-list a{grid-template-columns:1fr;gap:2px}}.upload-toggle{flex:none;margin:8px 10px 0}.record-form{flex-direction:column;gap:8px;padding:10px;font-size:13px;display:flex}.record-grid{grid-template-columns:1fr 1fr;gap:8px 10px;display:grid}.record-grid label{flex-direction:column;gap:3px;display:flex}.record-grid label.wide{grid-column:span 2}.record-grid input,.record-grid select,.record-grid textarea{color:inherit;font:inherit;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:#1f1e1c;border:1px solid #ffffff1f;border-radius:4px;padding:6px 8px;font-size:13px}.record-actions{align-items:center;gap:10px;display:flex}.record-error{color:#e8806a}.record-bar{border-top:1px solid var(--panel-line);padding:8px 12px;font-size:13px}.record-bar-head{align-items:baseline;gap:8px;display:flex}.record-badge{color:#9cc7f2;background:#3893e81f;border-radius:3px;flex:none;padding:1px 7px;font-size:12px}.record-where{font-weight:700}.record-bar-links{flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin-top:4px;display:flex}.record-bar-links button{color:var(--muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:12px;text-decoration:underline}.record-modal-back{z-index:50;background:#0009;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.record-modal{background:var(--panel);border-radius:6px;width:min(520px,100%);max-height:100%;padding:6px 6px 10px;overflow-y:auto}.record-modal header{justify-content:space-between;align-items:center;padding:8px 10px 0;display:flex}.record-modal h3{margin:0;font-size:16px}.record-modal header button{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:16px}.explorer-tabs{gap:4px;padding:8px 12px 2px;display:flex}.explorer-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #ffffff1f;border-radius:3px;padding:3px 10px;font-size:12px}.explorer-tabs button.on{color:#fff;background:#3893e8;border-color:#3893e8}.explorer-tabs+.muted a{color:#9cc7f2}.explorer-bar{background:repeating-linear-gradient(135deg,#5a5753 0 4px,#4a4744 4px 8px)}.explorer-games{border-top:1px solid var(--panel-line);padding-bottom:6px}.explorer-games-head{color:var(--muted);padding:8px 12px 4px;font-size:12px;font-weight:700}.explorer-game{width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;border:none;grid-template-columns:30px minmax(0,1fr) auto;gap:2px 8px;padding:5px 12px;font-size:13px;display:grid}.explorer-game:hover{background:var(--row-alt)}.eg-result{grid-row:span 2;font-weight:700}.eg-players{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.eg-move{font-weight:800}.eg-event{grid-column:2/4;font-size:12px}button.study-chapters-head{cursor:default;background:0 0;border:none;border-bottom:2px solid #e48d33;width:100%;font-family:inherit;display:block}.ch-narrow{display:none}@media (width<=900px){.study{--st-board:min(calc((100vw - 16px - 30px) * 10.9 / 9.9), 70vh);gap:8px;padding:8px}.study-board{display:contents}.study-chapters{order:0}.study-board-row{order:1}.study-side{height:max(320px, calc(100dvh - var(--st-board) - 150px));order:2}.study-title{order:3}.study-byline{order:4;margin-top:-8px}.study-topics{order:5;margin-top:-8px}button.study-chapters-head{cursor:pointer;text-align:left;padding:10px 12px}.ch-wide{display:none}.ch-narrow{display:inline}.study-chapters:not(.open) li:not(.active){display:none}.study-chapters ol{max-height:none}.study-title{padding:10px 12px;font-size:15px}.studies{gap:12px;padding:12px}.studies-nav{scrollbar-width:none;flex-direction:row;gap:4px;padding:0 0 4px;overflow-x:auto}.studies-nav a{white-space:nowrap;background:#ffffff0a;border-radius:14px;flex:none;padding:6px 12px;font-size:13px}.studies-nav-title{display:none}.studies-head{flex-wrap:wrap;gap:10px;padding:16px}.studies-head h1{flex:100%;font-size:24px}.studies-head select{flex:1;min-width:0}.studies-head .study-create{margin:0}}.rule-note{color:#f0b37a;border-bottom:1px solid var(--panel-line);background:#e48d331f;padding:8px 12px;font-size:13px;line-height:1.5}.study-board-row{gap:8px;display:flex}.study .evalbar{width:22px;height:var(--st-board);flex:none;margin-top:0}.study-eval-toggle{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #ffffff2a;border-radius:3px;padding:2px 7px;font-size:12px}.study-eval-toggle.on{color:#9cc7f2;border-color:#9cc7f2}