:root{font-family:Microsoft YaHei,PingFang SC,sans-serif;color:#26372f;background:#f4f3ed;font-synthesis:none;--page:#f4f3ed;--panel:#fffefa;--text:#26372f;--muted:#839087;--line:#e3e6dd;--green:#234d3c;--soft:#eaf0e8;--wood:#e6c798;--board-ink:#9c7b50;--serif:"STKaiti","KaiTi","Noto Serif CJK SC",serif}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button{color:inherit}button,a,input{outline-offset:4px}button:focus-visible,a:focus-visible{outline:2px solid #c78442}input:focus{outline:2px solid #8aa58e;outline-offset:1px}button{transition:background .15s,transform .15s}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}button{border:0}button.text-button{padding:6px 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small{font-size:10px;color:var(--muted);margin-top:4px;display:block}.versus{text-align:center;font-family:Georgia,serif;font-size:11px;color:var(--muted);font-style:italic}.player-stone{width:25px;height:25px;border-radius:50%;flex-shrink:0}.black-token{background:radial-gradient(circle at 32% 28%,#535954,#171e1a 70%);box-shadow:1px 2px 3px #0003}.white-token{background:radial-gradient(circle at 32% 28%,#fff,#e3e4de 80%);box-shadow:1px 2px 3px #0002;border:1px solid #d0d2c7}.board-shell{background:var(--wood);background-image:repeating-linear-gradient(1deg,#87562104 0px,#87562104 1px,transparent 1px,transparent 5px),linear-gradient(100deg,#f4ddbc66,transparent 60%);padding:12px 16px 18px 6px;border-radius:8px;box-shadow:inset 0 0 0 1px #a27a4930,0 6px 16px #6c57310a}.axis-top{display:grid;grid-template-columns:repeat(15,1fr);margin-left:22px;height:19px;font:9px Georgia,serif;color:#9c7a50;text-align:center}.board-row{display:flex}.axis-side{width:22px;flex-shrink:0;display:grid;grid-template-rows:repeat(15,1fr);font:9px Georgia,serif;color:#9c7a50;text-align:center}.axis-side span{display:flex;align-items:center;justify-content:center}.board{display:grid;grid-template-columns:repeat(15,minmax(0,1fr));grid-template-rows:repeat(15,minmax(0,1fr));aspect-ratio:1;position:relative;width:100%;isolation:isolate}.board:before{content:"";position:absolute;inset:3.333333%;border-right:1px solid var(--board-ink);border-bottom:1px solid var(--board-ink);background-image:linear-gradient(to right,var(--board-ink) 1px,transparent 1px),linear-gradient(to bottom,var(--board-ink) 1px,transparent 1px);background-size:calc(100% / 14) calc(100% / 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.cell:not(.black):not(.white):hover .stone{background:#1e342d25;box-shadow:inset 0 0 0 1px #1e342d40}.game-status{display:flex;align-items:center;justify-content:space-between;padding:17px 1px 14px;font-size:12px;gap:12px}.game-status #turn-label:before{content:"";display:inline-block;width:6px;height:6px;background:#819877;border-radius:50%;margin-right:8px}.clock{font:12px Georgia,Microsoft YaHei,serif;color:var(--muted);white-space:nowrap}.clock.urgent{color:#b55436}.game-toolbar{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);padding-bottom:16px}.game-toolbar>div{display:flex;gap:20px}.game-toolbar .danger{color:#ac654e}.result{background:var(--soft);color:var(--green);padding:14px;border-radius:6px;font-size:13px;line-height:1.7;margin-bottom:15px}.move-strip{border-top:1px solid var(--line);padding:18px 0;display:flex;gap:16px;align-items:center;min-height:65px}.move-strip>.eyebrow{white-space:nowrap;font-size:9px}.move-strip 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20px}.dialog-inner p:not(.eyebrow){font-size:13px;line-height:1.95;color:var(--muted);margin:14px 0 20px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end}#rules-close{justify-content:center}.brand-mark,.intro,.workspace{animation:arrive .5s ease-out both}.workspace{animation-delay:.08s}@keyframes place{0%{opacity:.5;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes arrive{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}:root[data-theme=dark]{--page:#1c2520;--panel:#26312a;--text:#e2e6d9;--muted:#a0ad9e;--line:#3d493e;--green:#426b50;--soft:#324535;--wood:#c6a879;--board-ink:#79623f;color:var(--text);background:var(--page)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--page:#1c2520;--panel:#26312a;--text:#e2e6d9;--muted:#a0ad9e;--line:#3d493e;--green:#426b50;--soft:#324535;--wood:#c6a879;--board-ink:#79623f;color:var(--text);background:var(--page)}}@media(min-width:1400px){.app{padding-top:9px}}@media(max-width:1000px){.app{padding:0 27px}.workspace{grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:18px}.game-panel{padding:20px 18px 0}.panel{padding:20px}.community-panel{padding-bottom:0}.player{padding:9px 8px;gap:6px}.player strong{font-size:11px;max-width:100px}.intro h1{font-size:33px}.brand-name small{display:none}}@media(max-width:760px){.app{padding:0 18px}.masthead{height:76px}.brand-name{font-size:27px}.brand-mark{width:28px;height:28px}.header-actions{gap:16px}.connection{font-size:9px}.header-actions .text-button{font-size:10px}.intro{padding:30px 0 25px}.intro h1{font-size:29px;letter-spacing:1px}.intro .eyebrow{font-size:8px;letter-spacing:1px}.intro-note{display:none}.workspace{grid-template-columns:1fr}.game-panel{padding:20px 17px 0}.game-heading h2{font-size:22px}.player strong{max-width:170px;font-size:12px}.board-shell{padding-right:10px}.sidebar{grid-template-columns:1fr 1fr;align-items:start;gap:16px}.sidebar-footer{grid-column:1 / -1}.panel{padding:19px}.community-panel{padding-bottom:0}.game-toolbar .text-button,.game-status{font-size:11px}.page-footer{font-size:8px;letter-spacing:.5px}.mode-tabs button{font-size:10px}.tiny{display:none}}@media(max-width:540px){.sidebar{grid-template-columns:1fr}.sidebar-footer{grid-column:auto}.panel{padding:22px}.community-panel{padding-bottom:0}.cell .stone{inset:5%}.game-panel{padding-left:13px;padding-right:13px}.game-heading{padding:0 3px}.game-toolbar>div{gap:18px}.players{gap:7px;grid-template-columns:1fr 20px 1fr;margin-top:18px}.player{gap:9px;padding:10px}.player strong{max-width:105px;font-size:11px}.player-stone{width:23px;height:23px}.board-shell{padding-left:2px;padding-top:9px;padding-bottom:12px}.axis-side{width:17px;font-size:8px}.axis-top{margin-left:17px;font-size:8px}.move-strip{gap:10px}.move-chip{padding:4px 5px}.page-footer{gap:15px;line-height:1.8}.room-badge{font-size:10px}.intro h1{font-size:27px}.game-status{gap:5px}.clock{font-size:11px}.header-actions{gap:13px}.player small{font-size:9px}.sidebar-footer{font-size:11px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}:root[data-reduced-motion=true] *{animation:none!important;transition:none!important}.result{color:var(--text)}.account-stats{display:block;padding:18px 0}.account-stats .points-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.account-stats .points-stat strong{font-size:30px;font-variant-numeric:tabular-nums}.account-stats .record-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;border-top:1px solid var(--line);margin-top:14px;padding-top:14px;text-align:center}.record-stats>div{min-width:0}.account-stats .record-stats strong{font-size:23px;font-variant-numeric:tabular-nums}.account-stats .record-stats span{font-size:10px;margin-top:5px}.checkin-card{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--soft);border:1px solid var(--line);border-radius:7px;padding:13px 12px;margin:0 0 18px}.checkin-card>div{min-width:0}.checkin-card strong{display:block;font-size:12px;font-weight:500}.checkin-card small{display:block;font-size:9px;line-height:1.8;color:var(--muted);margin-top:5px}.checkin-card button{white-space:nowrap;font-size:10px;min-height:35px;padding:8px 10px}.ranking-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px;padding:4px;background:var(--soft);border-radius:6px}.ranking-tabs button{font-size:10px;padding:9px 2px;border:0;border-radius:4px;white-space:nowrap}.ranking-tabs button.selected{background:var(--panel);box-shadow:0 1px 4px #0000000a}.ranking-caption{font-size:10px;line-height:1.8;color:var(--muted);margin:12px 0 5px}.rank-row{grid-template-columns:26px minmax(0,1fr) auto;gap:10px;align-items:center}.rank-info{min-width:0}.rank-info strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;font-size:12px}.rank-info small{display:block;font-size:9px;color:var(--muted);margin-top:6px}.rank-row.is-me .rank-index{color:var(--green)}.rank-points{font-variant-numeric:tabular-nums;white-space:nowrap}.rank-row.is-me .rank-info strong{color:var(--green)}select{width:100%;min-height:40px;border:1px solid var(--line);border-radius:5px;background:var(--page);color:var(--text);font:inherit;font-size:11px;padding:9px}select:focus-visible{outline:2px solid #8aa58e;outline-offset:2px}select:disabled{opacity:.6}.lobby-caption{font-size:10px;color:var(--muted);line-height:1.8;margin-top:-8px;margin-bottom:12px}.public-room{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding:15px 0}.public-room>div{min-width:0;flex:1}.public-room strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:500}.public-room small{display:block;margin-top:7px;font-size:9px;color:var(--muted);letter-spacing:.3px}.room-join{font-size:10px;white-space:nowrap;padding:8px 10px;min-height:35px}.room-lobby .small-note{margin-top:5px}.room-lobby .empty-state{padding:20px 0;line-height:1.9}.service-status{margin-top:14px;padding:11px 12px;background:var(--soft);border-radius:6px;color:var(--text);font-size:11px;line-height:1.8}.header-actions .connection{max-width:180px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}@media(max-width:540px){.header-actions .connection{max-width:98px}}