.shudan-goban{--shudan-board-border-width: .15em;--shudan-board-border-color: #CA933A;--shudan-board-background-color: #F1B458;--shudan-board-foreground-color: #5E2E0C;--shudan-black-background-color: #222;--shudan-black-foreground-color: #eee;--shudan-white-background-color: #eee;--shudan-white-foreground-color: #222;position:relative;border:var(--shudan-board-border-width) solid var(--shudan-board-border-color);color:var(--shudan-board-foreground-color)}.shudan-goban:not(.shudan-coordinates){padding:.25em}.shudan-goban-image{background:url(/sight/assets/board-BjQgsRrQ.png) var(--shudan-board-background-color)}.shudan-coordx span,.shudan-coordy span{font-size:.6em}.shudan-vertex div{left:0;top:0;width:100%;height:100%}.shudan-goban:after{content:"";position:absolute;top:calc(-1 * var(--shudan-board-border-width));left:calc(-1 * var(--shudan-board-border-width));bottom:calc(-1 * var(--shudan-board-border-width));right:calc(-1 * var(--shudan-board-border-width));background:linear-gradient(to bottom,rgba(234,220,192,.1),transparent),linear-gradient(to bottom,transparent,rgba(23,10,2,.05));pointer-events:none;z-index:3}.shudan-goban.shudan-busy:after{animation:2s linear -.5s shudan-busy infinite;background-color:#170a021a;background-image:linear-gradient(to right,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);background-size:19em 100%;background-repeat:no-repeat;pointer-events:all}@keyframes shudan-busy{0%{background-position:-19em 0}to{background-position:calc(100% + 19em) 0}}.shudan-gridline,.shudan-hoshi{fill:var(--shudan-board-foreground-color)}.shudan-vertex .shudan-stone{top:.04em;left:.04em;width:calc(100% - .08em);height:calc(100% - .08em)}.shudan-vertex.shudan-sign_0 .shudan-stone{pointer-events:none}.shudan-vertex .shudan-shadow{border-radius:50%}.shudan-vertex .shudan-inner{text-indent:-9999rem}.shudan-vertex:not(.shudan-sign_0).shudan-dimmed .shudan-stone{opacity:.6}.shudan-vertex:not(.shudan-sign_0) .shudan-shadow{background:#170a0266;box-shadow:0 .1em .2em #170a0266}.shudan-stone-image{background-repeat:no-repeat;background-size:100% 100%}.shudan-stone-image.shudan-sign_1{background-image:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20width='43'%20height='43'%20xmlns:xlink='http://www.w3.org/1999/xlink'%3e%3cdefs%3e%3clinearGradient%20id='b'%3e%3cstop%20offset='0'%20stop-color='%23636363'%20stop-opacity='.4'/%3e%3cstop%20offset='1'%20stop-color='%23636363'%20stop-opacity='0'/%3e%3c/linearGradient%3e%3clinearGradient%20id='a'%3e%3cstop%20offset='0'%20stop-color='%230b0b0b'/%3e%3cstop%20offset='1'%20stop-color='%23443432'/%3e%3c/linearGradient%3e%3clinearGradient%20id='c'%20x1='0'%20x2='0'%20y1='43'%20y2='0'%20xlink:href='%23a'%20gradientUnits='userSpaceOnUse'/%3e%3clinearGradient%20id='d'%20x1='0'%20x2='0'%20y1='2.38'%20y2='19.27'%20xlink:href='%23b'%20gradientUnits='userSpaceOnUse'/%3e%3c/defs%3e%3cg%3e%3ccircle%20cx='21.5'%20cy='21.5'%20r='20.5'%20fill='url(%23c)'%20stroke='%23000'%20stroke-width='1'/%3e%3ccircle%20cx='21.5'%20cy='21.5'%20r='18.5'%20fill='url(%23d)'%20/%3e%3c/g%3e%3c/svg%3e")}.shudan-stone-image.shudan-sign_-1{background-image:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20width='43'%20height='43'%20xmlns:xlink='http://www.w3.org/1999/xlink'%3e%3cdefs%3e%3clinearGradient%20id='b'%3e%3cstop%20offset='0'%20stop-color='%23eee'%20stop-opacity='.8'/%3e%3cstop%20offset='1'%20stop-color='%23eee'%20stop-opacity='0'/%3e%3c/linearGradient%3e%3clinearGradient%20id='a'%3e%3cstop%20offset='0'%20stop-color='%23C9D1FF'/%3e%3cstop%20offset='1'%20stop-color='%23fff'/%3e%3c/linearGradient%3e%3clinearGradient%20id='c'%20x1='0'%20x2='0'%20y1='43'%20y2='0'%20xlink:href='%23a'%20gradientUnits='userSpaceOnUse'%20/%3e%3clinearGradient%20id='d'%20x1='0'%20x2='0'%20y1='40.65'%20y2='30.65'%20xlink:href='%23b'%20gradientUnits='userSpaceOnUse'/%3e%3c/defs%3e%3cg%3e%3ccircle%20cx='21.5'%20cy='21.5'%20r='20.5'%20fill='url(%23c)'%20stroke='%23c3c3c3'%20stroke-width='1'/%3e%3ccircle%20cx='21.5'%20cy='21.5'%20r='18.5'%20fill='url(%23d)'%20/%3e%3c/g%3e%3c/svg%3e")}.shudan-vertex:not(.shudan-sign_0).shudan-animate .shudan-stone{transition:transform .2s}.shudan-vertex:not(.shudan-sign_0).shudan-shift_1 .shudan-stone{transform:translate(-.07em)}.shudan-vertex:not(.shudan-sign_0).shudan-shift_2 .shudan-stone{transform:translateY(-.07em)}.shudan-vertex:not(.shudan-sign_0).shudan-shift_3 .shudan-stone{transform:translate(.07em)}.shudan-vertex:not(.shudan-sign_0).shudan-shift_4 .shudan-stone{transform:translateY(.07em)}.shudan-vertex:not(.shudan-sign_0).shudan-shift_5 .shudan-stone{transform:translate(-.04em,-.04em)}.shudan-vertex:not(.shudan-sign_0).shudan-shift_6 .shudan-stone{transform:translate(.04em,-.04em)}.shudan-vertex:not(.shudan-sign_0).shudan-shift_7 .shudan-stone{transform:translate(.04em,.04em)}.shudan-vertex:not(.shudan-sign_0).shudan-shift_8 .shudan-stone{transform:translate(-.04em,.04em)}.shudan-vertex .shudan-marker{left:.04em;top:.04em;width:calc(100% - .08em);height:calc(100% - .08em);text-align:center;fill:var(--shudan-board-background-color);stroke:var(--shudan-board-foreground-color);stroke-width:.07em;pointer-events:none}.shudan-vertex.shudan-sign_1 .shudan-marker,.shudan-vertex.shudan-sign_-1 .shudan-marker{left:0;top:0;width:100%;height:100%;fill:none}.shudan-vertex.shudan-sign_1 .shudan-marker{stroke:var(--shudan-black-foreground-color)}.shudan-vertex.shudan-sign_-1 .shudan-marker{stroke:var(--shudan-white-foreground-color)}.shudan-vertex.shudan-marker_point .shudan-marker{stroke:none;fill:var(--shudan-board-foreground-color)}.shudan-vertex.shudan-marker_point.shudan-sign_1 .shudan-marker{fill:var(--shudan-black-foreground-color)}.shudan-vertex.shudan-marker_point.shudan-sign_-1 .shudan-marker{fill:var(--shudan-white-foreground-color)}.shudan-vertex.shudan-marker_loader .shudan-marker{stroke-dasharray:1em;animation:1.5s linear 0s shudan-rotation infinite}@keyframes shudan-rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.shudan-vertex.shudan-marker_label .shudan-marker{display:inline-block;width:auto;height:auto;left:50%;top:50%;max-width:1.67em;max-height:1.67em;overflow:hidden;background:var(--shudan-board-background-color);color:var(--shudan-board-foreground-color);font-size:.6em;line-height:1.26;text-align:center;text-overflow:ellipsis;white-space:pre;transform:translate(-50%,-50%)}.shudan-vertex.shudan-marker_label.shudan-sign_1 .shudan-marker{background:transparent;color:var(--shudan-black-foreground-color)}.shudan-vertex.shudan-marker_label.shudan-sign_-1 .shudan-marker{background:transparent;color:var(--shudan-white-foreground-color)}.shudan-vertex.shudan-smalllabel .shudan-marker{max-height:2.7em;max-width:2.7em;font-size:.36em}.shudan-vertex .shudan-ghost{left:50%;top:50%;width:.4em;height:.4em;opacity:.5;transform:translate(calc(-50% + .5px),calc(-50% + .5px))}.shudan-vertex .shudan-ghost:before{content:"";box-sizing:border-box;display:none;position:absolute;left:50%;top:50%;width:.4em;height:.4em;border-radius:50%;transform:translate(-50%,-50%)}.shudan-vertex.shudan-ghost_faint .shudan-ghost{opacity:.3}.shudan-vertex.shudan-sign_0.shudan-ghost_1 .shudan-ghost:before,.shudan-vertex.shudan-sign_0.shudan-ghost_-1 .shudan-ghost:before{display:block}.shudan-vertex.shudan-ghost_1 .shudan-ghost:before{background:#000c}.shudan-vertex.shudan-ghost_-1 .shudan-ghost:before{background:#fff}.shudan-vertex.shudan-ghost_good .shudan-ghost:before{background:#59a80f}.shudan-vertex.shudan-ghost_interesting .shudan-ghost:before{background:#4886d5}.shudan-vertex.shudan-ghost_doubtful .shudan-ghost:before{background:#92278f}.shudan-vertex.shudan-ghost_bad .shudan-ghost:before{background:#f02311}.shudan-vertex .shudan-paint{overflow:hidden}.shudan-vertex .shudan-paint .shudan-inner{background:transparent;border-radius:.2em}.shudan-vertex.shudan-paint_1 .shudan-paint .shudan-inner{background:var(--shudan-black-background-color)}.shudan-vertex.shudan-paint_-1 .shudan-paint .shudan-inner{background:var(--shudan-white-background-color)}.shudan-vertex.shudan-paintedleft .shudan-paint .shudan-inner{border-left:none;border-top-left-radius:0;border-bottom-left-radius:0}.shudan-vertex.shudan-paintedright .shudan-paint .shudan-inner{border-right:none;border-top-right-radius:0;border-bottom-right-radius:0}.shudan-vertex.shudan-paintedtop .shudan-paint .shudan-inner{border-top:none;border-top-left-radius:0;border-top-right-radius:0}.shudan-vertex.shudan-paintedbottom .shudan-paint .shudan-inner{border-bottom:none;border-bottom-left-radius:0;border-bottom-right-radius:0}.shudan-vertex .shudan-heat{top:50%;left:50%;margin-left:-1px;margin-top:-1px;border-radius:50%;width:1px;height:1px;opacity:0;pointer-events:none;transition:opacity .5s,box-shadow .5s}.shudan-vertex.shudan-heat_9 .shudan-heat{background:#59a80f;box-shadow:0 0 1em 1em #59a80f;opacity:.8}.shudan-vertex.shudan-heat_8 .shudan-heat{background:#59a80f;box-shadow:0 0 1em .9em #59a80f;opacity:.7}.shudan-vertex.shudan-heat_7 .shudan-heat{background:#4886d5;box-shadow:0 0 1em .75em #4886d5;opacity:.8}.shudan-vertex.shudan-heat_6 .shudan-heat{background:#4886d5;box-shadow:0 0 1em .6em #4886d5;opacity:.8}.shudan-vertex.shudan-heat_5 .shudan-heat{background:#4886d5;box-shadow:0 0 .9em .55em #4886d5;opacity:.7}.shudan-vertex.shudan-heat_4 .shudan-heat{background:#92278f;box-shadow:0 0 .85em .5em #92278f;opacity:.8}.shudan-vertex.shudan-heat_3 .shudan-heat{background:#92278f;box-shadow:0 0 .8em .45em #92278f;opacity:.7}.shudan-vertex.shudan-heat_2 .shudan-heat{background:#f02311;box-shadow:0 0 .75em .4em #f02311;opacity:.8}.shudan-vertex.shudan-heat_1 .shudan-heat{background:#f02311;box-shadow:0 0 .75em .4em #f02311;opacity:.7}.shudan-vertex .shudan-heatlabel{display:inline-block;height:auto;top:50%;left:50%;overflow:hidden;color:#fff;font-size:.36em;line-height:1.26;text-align:center;text-overflow:ellipsis;text-shadow:0 .1em .3em black;white-space:pre;opacity:.9;transform:translate(-50%,-50%);pointer-events:none}.shudan-vertex .shudan-selection{box-sizing:border-box;border:.1em solid #0082F0;border-radius:.2em;background:#0082f033}.shudan-vertex.shudan-selectedleft .shudan-selection{border-left:none;border-top-left-radius:0;border-bottom-left-radius:0}.shudan-vertex.shudan-selectedright .shudan-selection{border-right:none;border-top-right-radius:0;border-bottom-right-radius:0}.shudan-vertex.shudan-selectedtop .shudan-selection{border-top:none;border-top-left-radius:0;border-top-right-radius:0}.shudan-vertex.shudan-selectedbottom .shudan-selection{border-bottom:none;border-bottom-left-radius:0;border-bottom-right-radius:0}.shudan-line,.shudan-arrow{fill:none;stroke:var(--shudan-board-foreground-color);stroke-width:.11em}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}body{font-family:system-ui,sans-serif;background:#1c1a18;color:#e0e0e0;font-variant-numeric:tabular-nums;font-size:18px}html,body{overflow-x:hidden;touch-action:pan-x pan-y;scrollbar-width:thin;scrollbar-color:#3a4a55 transparent}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-thumb{background:#3a4a55;border-radius:3px}::-webkit-scrollbar-track{background:transparent}#app{max-width:1280px;margin:0 auto;padding:1rem}#app:has(.quiz){padding:0;max-width:100%;height:100dvh;overflow:hidden}.library{position:relative}.app-title{--cell: min(60px, (100vw - 3rem) / 14);display:flex;justify-content:center;column-gap:var(--cell);width:fit-content;margin:0 auto;font-weight:300;font-size:1.85rem;text-transform:uppercase;border-radius:5px;padding:calc(var(--cell) * 1.5);background:#ac8a42 url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect width="60" height="60" fill="%23ac8a42"/><path d="M59.5 0V60M0 59.5H60" stroke="%2396793a" shape-rendering="crispEdges"/></svg>') repeat;background-size:var(--cell) var(--cell);background-position:calc(var(--cell) / 2) calc(var(--cell) / 2)}.tw{display:flex}.tl{width:var(--cell);height:var(--cell);display:flex;align-items:center;justify-content:center;line-height:1}@media(max-width:900px){.app-title{flex-direction:column;--cell: min(60px, (100vw - 3rem) / 8)}}.app-title .tb{color:#111}.app-title .ts{color:#f8f8f4}.offline-badge{display:block;width:fit-content;margin:-1rem auto 1rem;padding:.2rem .7rem;background:#3a3025;color:#c96;border:1px solid #6a5330;border-radius:999px;font-size:.8rem;letter-spacing:.04em}.tip{position:fixed;z-index:1000;pointer-events:none;background:#111;color:#aac4e8;border:1px solid #444;border-radius:6px;padding:.35em .6em;font-size:13px;font-weight:400;line-height:1.3;width:max-content;max-width:min(20rem,85vw);white-space:pre-line}.bug-report-btn{position:fixed;top:.4rem;left:.4rem;z-index:50;background:none;border:none;font-size:1.1rem;opacity:.45;cursor:pointer;padding:.2rem}.bug-report-btn:hover{opacity:1}.report-backdrop{position:fixed;inset:0;z-index:90}.report-dialog{position:fixed;top:20%;left:50%;transform:translate(-50%);z-index:100;width:min(24rem,90vw);box-sizing:border-box;background:#101a24;border:1px solid #2a3a4a;border-radius:8px;padding:1rem;display:flex;flex-direction:column;gap:.6rem}.report-text{width:100%;box-sizing:border-box;resize:vertical;background:#1a2a3a;border:1px solid #2a3a4a;border-radius:4px;color:#c8d8e8;padding:.4rem .5rem;font:inherit}.report-actions{display:flex;gap:.6rem;justify-content:flex-end}.report-tags{display:flex;gap:1.2rem;margin:.3rem 0 .5rem;font-size:.9rem}.report-tag{display:flex;align-items:center;gap:.35rem;cursor:pointer}.report-send,.report-cancel{border:1px solid #2a3a4a;border-radius:5px;padding:.35rem .9rem;cursor:pointer}.report-send{background:#2a4a6a;color:#d8e8f8}.report-send:disabled{opacity:.45;cursor:default}.report-cancel{background:transparent;color:#8a9ab0}.report-done{color:#c8d8e8;text-align:center;padding:.5rem 0}.menu-wrap{position:absolute;top:.75rem;right:.75rem}.menu-toggle{background:none;border:none;color:#888;font-size:1.5rem;cursor:pointer;padding:.25rem .5rem;border-radius:4px;line-height:1}.menu-toggle:hover{color:#ccc;background:#333}.menu-backdrop{position:fixed;inset:0;z-index:90}.menu-dropdown{position:absolute;right:0;top:100%;z-index:100;background:#2a2826;border:1px solid #444;border-radius:8px;padding:.3rem 0;min-width:180px;box-shadow:0 8px 24px #00000080}.menu-item{display:block;width:100%;padding:.6rem 1rem;background:none;border:none;color:#ccc;font-size:.85rem;text-align:left;cursor:pointer;text-decoration:none}.menu-item:hover{background:#383530;color:#fff}.menu-sep{height:1px;background:#444;margin:.3rem 0}.branch-select{display:flex;align-items:center;gap:.5rem;margin:.3rem .6rem;font-size:.85rem;color:#888}.branch-select select{flex:1;padding:.3rem .4rem;background:#222;color:#ccc;border:1px solid #555;border-radius:4px;font-size:.85rem;cursor:pointer}.branch-select select:hover{background:#383530;color:#ccc}.menu-update{color:#8bc}.menu-update:hover{color:#adf;background:#253038}.menu-version{padding:.4rem .75rem .2rem;font-size:.7rem;color:#666;text-align:center;font-family:monospace}.menu-check{margin-right:.4em;color:#8a8175}.menu-source{margin-top:.2rem;font-family:inherit}.menu-source.offline{color:#c96}.menu-account{padding:.4rem 1rem .1rem;font-size:.75rem;color:#888;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.join-gate{margin:0 auto;padding:1rem;text-align:center}.join-note,.join-form,.join-error,.join-manual{max-width:420px;margin-left:auto;margin-right:auto}.join-note{color:#aaa;font-size:.9rem;line-height:1.6;margin-top:1.2rem;margin-bottom:1.2rem}.join-form{display:flex;flex-direction:column;gap:.6rem}.join-form input{padding:.6rem .8rem;background:#222;color:#ddd;border:1px solid #555;border-radius:8px;font-size:1rem}.join-code{text-align:center;letter-spacing:.08em}.join-send{padding:.6rem .8rem;background:#2e4a33;color:#dfd;border:1px solid #3b5;border-radius:8px;font-size:1rem;cursor:pointer}.join-send:hover{background:#375a3e}.join-google{width:100%;height:40px;display:flex;align-items:center;justify-content:center;gap:10px;padding:0 12px;background:#fff;color:#1f1f1f;border:1px solid #747775;border-radius:4px;font-size:14px;font-weight:500;letter-spacing:.25px;cursor:pointer}.join-google:hover{background:#f7f9fd;box-shadow:0 1px 2px #3c40434d}.join-google:active{background:#edf2fc}.google-g{width:18px;height:18px;flex:none}.google-label{white-space:nowrap}.join-error{color:#f88;font-size:.9rem}.join-manual{display:block;margin-top:.6rem;padding:.6rem .8rem;background:#24211a;color:#c9b47e;border:1px solid #6b5a33;border-radius:8px;font-size:1rem;text-decoration:none}.join-manual:hover{background:#2e2a20;color:#e7dcc4}.join-signout{margin-top:1.5rem;background:none;border:none;color:#888;font-size:.85rem;text-decoration:underline;cursor:pointer}.join-signout:hover{color:#ccc}.library-gear{position:absolute;top:.9rem;right:3.2rem;background:none;border:none;color:#8a8175;font-size:1.3rem;line-height:1;cursor:pointer}.library-gear:hover{color:#c9c2b4}.gear-panel{position:absolute;top:3rem;right:1rem;z-index:30;display:flex;flex-direction:column;gap:.4rem;padding:.6rem;background:#24211a;border:1px solid #6b5a33;border-radius:8px}.gear-toggle{display:flex;align-items:center;gap:.6rem;padding:.5rem .7rem;background:#2c2820;border:1px solid #4a4433;border-radius:6px;color:#c9b47e;font-size:.95rem;cursor:pointer;white-space:nowrap}.gear-toggle:hover{background:#352f24;color:#e7dcc4}.gear-face{font-size:1.1rem}.gear-name{color:inherit}.loading{text-align:center;color:#888;margin-top:2rem}.progress-stack{position:fixed;top:4rem;left:50%;transform:translate(-50%);z-index:80;pointer-events:none;background:#14110ecc;border:1px solid #3a3835;border-radius:8px;padding:.6rem 1rem;min-width:18rem}.progress-line{max-width:320px;margin:0 auto}.progress-line .loading{margin-top:.7rem;margin-bottom:.4rem}.progress-bar{height:6px;border-radius:3px;background:#2a2a2a;overflow:hidden}.progress-fill{height:100%;background:#6a9fd8;transition:width .12s linear}.welcome{max-width:540px;margin:1rem auto;color:#aaa;font-size:.9rem;line-height:1.6}.welcome p{margin:.4rem 0}.col-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:1rem}.tile{background:#252320;border:1px solid #3a3835;border-left:3px solid #3a3835;border-radius:6px;padding:.4rem .5rem;cursor:pointer;transition:all .15s ease;min-width:0;text-align:center;-webkit-user-select:none;user-select:none}.tile:hover{background:#2e2c28;border-color:#4a4845}.tile:active{transform:scale(.97)}.col-tile .rung-title{font-size:1.3rem}.col-tile{position:relative;width:12rem;display:flex;flex-direction:column;align-items:stretch;padding:0;overflow:hidden;background:#e7dcc4;border:1px solid #b39a63;color:#23201a}.tile-badge{position:absolute;top:.15rem;right:.3rem;font-size:.7rem;color:#6a5a34}.upload-dialog{position:fixed;top:20%;left:50%;transform:translate(-50%);z-index:100;background:#101a24;border:1px solid #2a3a4a;border-radius:8px;padding:1rem;min-width:18rem;display:flex;flex-direction:column;gap:.6rem}.upload-count{font-size:1.1rem;color:#c8d8e8}.upload-choice{display:flex;align-items:center;gap:.5rem;color:#a8b8c8;cursor:pointer}.upload-name,.upload-into{background:#1a2a3a;border:1px solid #2a3a4a;border-radius:4px;color:#c8d8e8;padding:.35rem .5rem;margin-left:1.6rem}.upload-name:disabled,.upload-into:disabled{opacity:.45}.upload-actions{display:flex;gap:.6rem;justify-content:flex-end;margin-top:.3rem}.upload-go,.upload-cancel{border:1px solid #2a3a4a;border-radius:5px;padding:.35rem .9rem;cursor:pointer}.upload-go{background:#2a4a6a;color:#d8e8f8}.upload-cancel{background:transparent;color:#8a9ab0}.col-head{display:flex;flex-direction:column;align-items:center;gap:.4rem;margin:.5rem 0}.col-open{cursor:default;width:fit-content;min-width:14rem;max-width:100%}.tile-manage{display:flex;justify-content:center;padding:.45rem .5rem .55rem}.col-back{background:#ac8a42;border:1px solid #b39a63;border-radius:6px;color:#14100a;font-size:1.2rem;font-weight:600;line-height:1;padding:.35rem 2.2rem;cursor:pointer;transition:all .15s ease}.col-back:hover{background:#bf9a4d}.manage-btn{background:#ac8a42;border:1px solid #b39a63;border-radius:6px;color:#14100a;font-weight:600;font-size:1.1rem;padding:.55rem 1.3rem;cursor:pointer;transition:all .15s ease}.manage-btn:hover{background:#bf9a4d}.board-mini{display:block;border-radius:3px}.board-mini-broken{color:#6a5a4a;padding:0 .5rem}.mini-wood{fill:#b58b52}.mini-line{stroke:#7a5c34;stroke-width:.8}.mini-black{fill:#1a1a1a}.mini-white{fill:#f0f0ea;stroke:#999;stroke-width:.6}.mini-num-b{fill:#f0f0ea}.mini-num-w{fill:#1a1a1a}.manage{margin-top:.5rem}.mgmt-title-count{color:#6a5a34;font-size:.85rem;white-space:nowrap}.mgmt-list{display:flex;flex-direction:column}.mgmt-row{display:flex;gap:.8rem;align-items:baseline;padding:.3rem .6rem;border-bottom:1px solid #1a2a3a}.mgmt-name{color:#c8d8e8;background:none;border:none;padding:0;font-size:1rem;cursor:pointer;text-align:left}.mgmt-name:hover{text-decoration:underline}.mgmt-path{color:#6a7a8a;font-size:.85rem}.mgmt-row{content-visibility:auto;contain-intrinsic-size:auto 6rem;align-items:center}.mgmt-held{opacity:.55}.mgmt-check{align-self:center}.mgmt-board{background:none;border:none;padding:0;cursor:pointer;align-self:center}.mgmt-facts{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:.15rem}.mgmt-stats{color:#8a9ab0;font-size:.85rem}.mgmt-untouched{color:#5a6a7a;font-style:italic}.mgmt-source{background:none;border:none;padding:0;color:#5a7a9a;font-size:.8rem;cursor:pointer}.mgmt-source:hover{text-decoration:underline}.mgmt-hold,.mgmt-remove{background:none;border:1px solid #2a3a4a;border-radius:4px;color:#7a8a9a;cursor:pointer;padding:.15rem .45rem;align-self:center}.mgmt-remove:hover{color:#c86a5a;border-color:#5a3a3a}.mgmt-hold:hover{color:#c8a060}.mgmt-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin:.4rem 0}.mgmt-act{background:#1a2a3a;border:1px solid #2a3a4a;border-radius:5px;color:#a8b8c8;padding:.25rem .7rem;cursor:pointer}.mgmt-act:hover{background:#223448}.mgmt-delete{color:#b07a6a;margin-left:auto}.mgmt-merge,.mgmt-moveto{background:#1a2a3a;border:1px solid #2a3a4a;border-radius:5px;color:#a8b8c8;padding:.25rem .4rem}.mgmt-order{display:flex;flex-direction:column;align-self:center}.mgmt-up,.mgmt-down{background:none;border:none;color:#4a5a6a;cursor:pointer;font-size:.6rem;padding:.1rem .3rem}.mgmt-up:hover,.mgmt-down:hover{color:#a8b8c8}.mgmt-bulk{display:flex;align-items:center;gap:.6rem;padding:.4rem .6rem;background:#16222e;border:1px solid #2a3a4a;border-radius:6px;margin:.4rem 0}.mgmt-bulk-count{color:#c8d8e8}.mgmt-bulk-btn{background:#1a2a3a;border:1px solid #2a3a4a;border-radius:5px;color:#a8b8c8;padding:.25rem .7rem;cursor:pointer}.mgmt-bulk-btn:hover{background:#223448}.action-area{display:flex;flex-direction:column;align-items:center;gap:.6rem;margin-bottom:2.2rem}.action-row{display:flex;flex-direction:column;align-items:stretch;gap:.6rem;width:100%;max-width:16rem}.action-btn{padding:.9rem 1.6rem;background:#ac8a42;border:1px solid #b39a63;border-radius:6px;color:#14100a;font-weight:600;font-size:1.3rem;cursor:pointer;transition:all .15s ease}.drill-glyph{color:#2f7a38}.action-btn:hover{background:#c8a154;border-color:#d2b579}.action-btn:active{transform:scale(.97)}.action-btn:disabled{opacity:.35;cursor:default;transform:none}.ladder{--rung-h: 7.25rem;display:flex;align-items:flex-start;justify-content:center;gap:.3rem;width:100%;max-width:36rem}.ladder-cell{flex:1 1 0;max-width:3.4rem;display:flex;flex-direction:column;align-items:stretch;min-height:var(--rung-h);padding:0;overflow:hidden;background:#e7dcc4;border:1px solid #b39a63;border-radius:6px;color:#23201a;cursor:pointer;opacity:.72;transition:opacity .15s ease,background .15s ease}.ladder-cell:hover{opacity:1}.ladder-cell.selected{flex:0 1 auto;min-width:7.5rem;max-width:none;opacity:1;border-color:#8a6d2f}.ladder-arrow{flex:0 0 auto;align-self:flex-start;display:flex;align-items:center;justify-content:center;width:2rem;height:var(--rung-h);margin:0 .4rem;padding:0;background:#ac8a42;border:none;border-radius:6px;font-size:1.1rem;line-height:1;color:#14100a;cursor:pointer;transition:all .15s ease}.ladder-arrow:hover:not(:disabled){background:#c8a154}.ladder-arrow:active{transform:scale(.95)}.ladder-arrow:disabled{opacity:.25;cursor:default;transform:none}.rung-small{min-width:min-content;height:var(--rung-h)}.rung-small .rung-title{padding:.45rem .25rem}.rung-small .rung-stats{padding:.5rem .25rem .6rem}.ladder-cell.empty{background:none;border-color:transparent;cursor:default}@media(max-width:430px){.rung-d2{display:none}}@media(max-width:350px){.rung-d1{display:none}}.rung-title{padding:.45rem .6rem;background:#ac8a42;border-bottom:1px solid #b39a63;color:#14100a;font-size:.85rem;font-weight:600;letter-spacing:.02em;text-align:center;font-variant-numeric:tabular-nums;white-space:nowrap}.ladder-cell.selected .rung-title{border-bottom-color:#8a6d2f;font-size:.95rem;padding:.55rem .7rem}.rung-stats{display:grid;grid-template-columns:auto auto;justify-content:center;align-items:baseline;column-gap:.3rem;row-gap:.15rem;padding:.5rem .6rem .6rem}.rung-stats .rung-stat{display:contents}.rung-stats .rung-stat b{text-align:right}.rung-stats .rung-stat .rung-word{text-align:left}.rung-stat{font-size:.72rem;line-height:1.35;font-variant-numeric:tabular-nums;white-space:nowrap}.rung-stat b{font-size:.95rem;font-weight:700}.rung-stat.done{color:#2f6b34}.rung-stat.failed{color:#8f3328}.rung-stat.unseen{color:#6f6a5f}.ladder-cell.selected .rung-stats{display:grid;grid-template-columns:auto auto;justify-content:center;column-gap:.35rem;row-gap:.1rem;padding:.6rem .8rem .7rem}.ladder-cell.selected .rung-stat{display:contents;font-size:.78rem}.ladder-cell.selected .rung-stat b{font-size:1.05rem;text-align:right}.ladder-cell.selected .rung-medal b{color:#2f6b34}.ladder-cell.selected .rung-medal .rung-word,.ladder-cell.selected .rung-medal b{line-height:1.55rem}.ladder-cell.selected .rung-cup .rung-word{font-size:1.01rem}.rung-word{font-size:.78rem;text-align:left}.rung-ready{font-size:.88em;font-weight:400;opacity:.65}.practice-cal{display:flex;flex-direction:column;align-items:center;margin-left:auto;margin-right:auto;width:fit-content;gap:.4rem;padding-bottom:.6rem;border-bottom:1px solid #23423b;width:100%;max-width:36rem}.cal-scroll{max-width:100%;overflow-x:auto;direction:rtl;padding:2px 2px .2rem}.cal-body{direction:ltr;display:inline-flex;flex-direction:column;gap:.25rem}.cal-months{display:flex;align-items:flex-end;height:1.05rem}.cal-mseg{box-sizing:border-box;margin:0 2px;border-bottom:3px solid;border-radius:1px;font-size:.65rem;font-weight:600;line-height:1.4;text-align:center;overflow:hidden;white-space:nowrap}.cal-mseg.s-win{color:#8aa8d8;border-color:#5a7aa8}.cal-mseg.s-spr{color:#8ac88a;border-color:#55a055}.cal-mseg.s-sum{color:#d8c070;border-color:#b09540}.cal-mseg.s-aut{color:#d89a68;border-color:#b0703a}.cal-mspacer{width:.9rem;flex:none}.cal-cols{display:flex}.cal-week{display:flex;flex-direction:column;gap:.3rem;padding:0 .15rem}.cal-gap{width:.9rem;flex:none;display:flex;align-items:center;justify-content:center;color:#4a5a55;font-size:.7rem;letter-spacing:-1px}.cal-day{position:relative;width:1.5rem;height:1.5rem;box-sizing:border-box;border-radius:4px;background:#20262a}.cal-tally{position:absolute;inset:2px;display:flex;flex-direction:column-reverse;justify-content:flex-start;gap:1px}.cal-bar{flex:none;height:3px;border-radius:1px;background:#3b5}.cal-row{flex:none;height:3px;display:flex;gap:1px;align-items:center}.cal-pip{flex:none;width:4px;height:4px;border-radius:50%;background:#3b5}.cal-solid:before{content:"";position:absolute;inset:2px;border-radius:2px;background:#3b5}.cal-weekend{background:#332f47}.cal-weekend .cal-pip,.cal-weekend .cal-bar{background:#2ba}.cal-solid.cal-weekend:before{background:#2ba}.cal-today{box-shadow:0 0 0 1px #9ab}.cal-future{visibility:hidden}.summary-overlay{grid-row:1 / -1;align-self:center;justify-self:center;text-align:center;max-width:480px;padding:1.5rem 2rem;background:#252320;border:1px solid #4a4540;border-radius:8px}.summary-overlay h2{margin-bottom:.6rem}.summary-overlay p{color:#aaa;margin-bottom:1.2rem;word-break:break-word}.back-btn{background:#3a3835;color:#ddd;border:none;padding:.6rem 1.4rem;border-radius:8px;cursor:pointer;font-size:1rem;transition:all .15s ease}.back-btn:hover{background:#4a4845}.back-btn:active{transform:scale(.95)}.quiz{height:100dvh;width:100dvw;display:flex;flex-direction:column;box-sizing:border-box;touch-action:manipulation;background:linear-gradient(180deg,#8c6e320f,#8c6e320a 45%,#8c6e3205 55%,#0000 60%),#1c1a18}.board-row{height:var(--board-h);flex:none;overflow:hidden;display:flex;align-items:flex-end;justify-content:center;position:relative;min-width:0}.bottom-bar{height:var(--bar-size);flex:none;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;overflow:visible;gap:var(--sp2);padding:var(--sp2) 0;min-width:0;min-height:0}.solve-row{display:grid;grid-template-columns:repeat(5,1fr);align-items:center;width:100%;max-width:var(--row-w);margin:0 auto;min-height:var(--btn-h);gap:var(--sp1);padding:0 var(--sp1);box-sizing:border-box}.solve-cell{display:flex;align-items:center;justify-content:center;min-width:0}.solve-span-2{grid-column:span 2}.solve-span-3{grid-column:span 3}.solve-row .solve-btn{width:100%;min-width:0;max-width:var(--btn-w)}.solve-span-2 .solve-btn{max-width:var(--btn-w2)}.solve-btn{height:var(--btn-h);min-width:var(--btn-w);font-size:var(--fs-glyph);line-height:1;display:inline-flex;align-items:center;justify-content:center;background:#2e2922;color:#e3dac8;border:var(--frame-w) solid transparent;border-radius:var(--radius);cursor:pointer;transition:background .15s ease,border-color .15s ease}.glyph-rewind{display:inline-block;line-height:1;font-size:.8em;letter-spacing:-.2em;padding-right:.2em}.solve-btn:hover{background:#3d362c}.solve-btn:active{transform:scale(.97)}.solve-btn:disabled{background:#241f19;color:#6a6257;cursor:default;transform:none;border-color:transparent}.solve-primary{background:#3b5;border-color:#3b5;color:#1e2118}.solve-primary:hover{background:#4c6;border-color:#4c6}.solve-accent{border-color:#3b5}.solve-accent:hover{border-color:#4c6}.solve-btn-text{font-size:var(--fs-text);font-weight:600;padding:0 1em}.phase-strip{height:var(--strip-h);margin-top:var(--strip-top);margin-bottom:var(--strip-gap);flex:none;display:flex;justify-content:center;gap:var(--sp1);padding:0 var(--sp1);box-sizing:border-box}.strip-cell{flex:1;max-width:var(--btn-w);min-width:0;padding:0 var(--strip-pad);display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;border-radius:var(--radius);border:var(--frame-w) solid #35322c;box-sizing:border-box;background:#201e1b;color:#6b655c}.strip-press{font:inherit;color:inherit;background:none;border:none;padding:0;cursor:pointer}.strip-word{font-size:var(--fs-strip-word);line-height:1.2;font-weight:600;letter-spacing:.04em}.strip-n{font-size:var(--fs-strip-n);line-height:1.2;font-weight:700}.strip-live{background:#2b2823;border-color:#5a5245}.strip-watch.strip-live{color:#ffc042}.strip-replay.strip-live{color:#5fe08a}.strip-mark.strip-live{color:#57bdff}.strip-score.strip-live{color:#ffd479}.strip-score .strip-check{color:#2f7a38}.strip-watch.strip-done{color:#8a6a2c}.strip-replay.strip-done{color:#3c8557}.strip-mark.strip-done{color:#37729b}.strip-mark.strip-full.strip-live{color:#ffd479}.strip-mark.strip-full.strip-done{color:#93762f}.hint-slot{height:var(--hint-h);overflow:hidden;display:flex;align-items:center;justify-content:center;min-width:0}.action-hint{color:#8a8175;font-size:var(--hint-fs);text-align:center;text-wrap:balance;max-width:95%;margin:0;line-height:1.25}.hint-row{display:flex;align-items:center;justify-content:center;width:100%;padding:0 var(--sp2);box-sizing:border-box;flex:none}.chrome-row{display:grid;grid-template-columns:var(--gear-s) 1fr var(--gear-s);align-items:center;width:100%;max-width:var(--row-w);margin:0 auto;min-height:var(--btn-h);padding:0 var(--sp1);box-sizing:border-box}.chrome-side{display:flex;justify-content:center}.problem-count{text-align:center;color:#c8a45c;font-size:var(--fs-count);font-weight:700;font-variant-numeric:tabular-nums}.overlay-backdrop{position:fixed;inset:0;z-index:9}.exit-row{display:flex;justify-content:center;gap:var(--sp2);width:100%}.score-table-wrap{overflow-y:auto;max-height:100%;width:fit-content;max-width:100%;margin:.8em auto 0}.score-table{width:100%;border-collapse:collapse;font-size:1em;color:#3a352c;font-variant-numeric:tabular-nums}.score-table tr{border-bottom:1px solid #d9cfb8}.score-table td{padding:.15em .4em;white-space:nowrap}.score-ok{color:#2f7a38;font-weight:700}.finish-check{color:#2f7a38;font-size:3.4em;line-height:1}.score-fail{color:#8f3328;font-weight:700}.score-practice{color:#8a8175;font-weight:700}.score-time{color:#4a453c;text-align:right}.score-date{color:#8a8175;text-align:right}.score-latest td{background:#ac8a4229}.wrong-flash{animation:wrong-shake .15s ease-out}@keyframes wrong-shake{0%,to{transform:translate(0)}40%{transform:translate(-2px)}80%{transform:translate(1px)}}.shudan-goban{--shudan-board-background-color: #dcb35c;--shudan-board-border-color: #b8923a;--shudan-board-border-width: .05em;--shudan-padding: .1em;box-shadow:0 1px 12px #0006;border-radius:var(--radius);touch-action:none;-webkit-touch-callout:none}.shudan-goban-image{background-image:none}.shudan-vertex .shudan-ghost,.shudan-vertex .shudan-ghost:before{width:.88em;height:.88em}.shudan-vertex.shudan-sign_0 .shudan-ghost:before{outline:1px solid #888;outline-offset:-1px}.shudan-vertex.shudan-marker_label.shudan-sign_0:before{content:"";position:absolute;left:50%;top:50%;width:.6em;height:.6em;transform:translate(-50%,-50%);border-radius:50%;background:var(--shudan-board-background-color, #dcb35c)}.shudan-vertex.shudan-marker_label .shudan-marker{color:#4af!important;background:transparent!important;font-family:Arial,Helvetica,sans-serif;font-weight:600;font-size:.55em;-webkit-text-stroke:.03em #000;paint-order:stroke fill;display:flex;align-items:center;justify-content:center;transform:translate(-50%,-50%)}.board-container.seq-numbers .shudan-vertex.shudan-marker_label.shudan-sign_1 .shudan-marker{color:#ddd!important;-webkit-text-stroke:.02em #111}.board-container.seq-numbers .shudan-vertex.shudan-marker_label.shudan-sign_-1 .shudan-marker{color:#222!important;-webkit-text-stroke:.02em #eee}.board-container .shudan-vertex.shudan-dimmed.shudan-sign_1 .shudan-stone,.board-container .shudan-vertex.shudan-dimmed.shudan-sign_-1 .shudan-stone{opacity:1}.shudan-vertex.shudan-dimmed.shudan-sign_1 .shudan-marker{color:#ddd!important;-webkit-text-stroke:.02em #111}.shudan-vertex.shudan-dimmed.shudan-sign_-1 .shudan-marker{color:#333!important;-webkit-text-stroke:.02em #eee}.board-container.finished .shudan-paint,.board-container.lib-feedback .shudan-paint{display:none}.board-container.finished .shudan-vertex.shudan-paint_-1 .shudan-marker,.board-container.lib-feedback .shudan-vertex.shudan-paint_-1 .shudan-marker{color:#f44!important;-webkit-text-stroke:.03em #800}.shudan-vertex.shudan-marker_circle .shudan-marker circle{stroke:#0c0!important;stroke-width:3;fill:#00c80033;paint-order:stroke;filter:drop-shadow(0 0 1px #000)}.board-container.seq-mistake .shudan-vertex.shudan-marker_label.shudan-paint_-1 .shudan-marker{color:#f44!important;-webkit-text-stroke:.03em #800}.board-container.seq-mistake .shudan-vertex.shudan-marker_label.shudan-paint_1 .shudan-marker{color:#0c0!important;-webkit-text-stroke:.03em #060}.board-container.seq-mistake .shudan-vertex.shudan-paint_-1:after,.board-container.seq-mistake .shudan-vertex.shudan-paint_1:after{content:"";position:absolute;inset:3%;border-radius:50%;border:.07em solid #f44;z-index:4;pointer-events:none}.board-container.seq-mistake .shudan-vertex.shudan-paint_1:after{border-color:#0c0}.finish-popup{transition:transform .15s ease-in,opacity .15s ease-in;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#e7dcc4;color:#23201a;border:var(--frame-w) solid transparent;border-radius:var(--radius);padding:1.4em 1.5em 1.2em;text-align:center;z-index:10;animation:finish-fade-in .3s ease-out;width:var(--popup-w);max-height:var(--popup-max-h);overflow-y:auto;-webkit-overflow-scrolling:touch;box-sizing:border-box;scrollbar-width:none;overflow-x:hidden;font-size:var(--popup-fs)}.finish-closing{opacity:0;pointer-events:none}.finish-popup::-webkit-scrollbar{display:none}.finish-verdict{display:flex;align-items:center;justify-content:center;gap:.45em;margin:.5em 0 1.6em}.verdict-uncounted .finish-trophy,.verdict-uncounted .finish-medal,.verdict-uncounted .finish-fail{filter:grayscale(1);opacity:.45}.finish-trophy{font-size:4.6em;line-height:1.1}.finish-medal{font-size:3.1em;line-height:1.1}.finish-fail{font-size:3.1em;line-height:1.1;color:#9a3325}.finish-time{font-size:3.1em;font-weight:700;color:#14110c}.verdict-wide{font-size:.8em}.finish-split,.finish-causes{font-size:1.25em;display:grid;grid-template-columns:auto auto;justify-content:center;column-gap:1em;row-gap:.25em}.finish-causes{margin-bottom:.7em}.finish-record{font-size:1.15em;text-align:center;color:#6f6a5f;margin-bottom:.7em}.split-label{text-align:left;color:#6f6a5f}.split-num{text-align:right;color:#23201a}.cause-full{grid-column:1 / -1;text-align:center;color:#8f3328}.next-rung{font-size:1.3em;font-weight:400}.finish-trophy,.finish-medal,.finish-fail{padding:0 .12em}.tier-cup{border-color:#b07d0a;box-shadow:0 0 2.4em #e8b01880}.tier-cup .finish-trophy{background:radial-gradient(closest-side,#e8b0189e,#e7dcc400 78%)}.tier-cup .next-rung{color:#b07d0a}.tier-gold{border-color:#8a7430;box-shadow:0 0 1.8em #cea83e61}.tier-gold .finish-medal{background:radial-gradient(closest-side,#cea83e8c,#e7dcc400 78%)}.tier-gold .next-rung{color:#8a7430}.tier-star{border-color:#7a7a78;box-shadow:0 0 1.5em #a8a8a652}.tier-star .finish-medal{background:radial-gradient(closest-side,#a8a8a680,#e7dcc400 78%)}.tier-star .next-rung{color:#7a7a78}.tier-done{border-color:#98602c;box-shadow:0 0 1.3em #be7a3a47}.tier-done .finish-medal{background:radial-gradient(closest-side,#be7a3a7a,#e7dcc400 78%);color:#2f7a38}.tier-done .next-rung{color:#98602c}.tier-none{border-color:#9a3325}.finish-close{position:sticky;bottom:0;margin-top:1.2em;padding:.45em 1.8em;font-size:1.4em;font-weight:700;border:var(--frame-w) solid #3b5;border-radius:var(--radius);background:#3b5;color:#1e2118;cursor:pointer}.finish-close:hover{background:#4c6;border-color:#4c6}.finish-close:active{background:#2fa04c}@keyframes finish-fade-in{0%{opacity:0;transform:translate(-50%,-50%) scale(.8)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}