:root{color-scheme:light;--ink:#273c33;--muted:#788076;--green:#285546;--green-hover:#1e4437;--paper:#f7f7ef;--line:#e1e4d7;--card:#ffffff;--wood:#e5c69a;--red:#a24835;--shadow:0 14px 38px rgba(43,56,40,.055)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #a3b790;outline-offset:4px}button{transition:background .15s,box-shadow .15s,transform .15s}button:not(:disabled):active{transform:translateY(1px)}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.app-shell{width:min(1220px,100%);padding:0 48px;margin:auto}.site-header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:13px;align-items:center}.brand>span:last-child{font-size:25px;font-weight:650;letter-spacing:3px;line-height:1.1}.brand small{display:block;font-size:10px;letter-spacing:2px;font-weight:450;margin-top:9px;color:var(--muted)}.brand-mark{width:41px;height:41px;display:grid;grid-template-columns:1fr 1fr;gap:5px;transform:rotate(-7deg);padding:3px}.brand-mark i{border-radius:50%;background:var(--green);box-shadow:inset -2px -3px 4px #0002}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:#fdfbf4;border:1px solid #c6cdbd;box-shadow:inset -2px -2px 3px #0001}.profile{display:flex;align-items:center;gap:11px;font-size:12px}.profile-name{margin-left:12px}.avatar{display:grid;place-items:center;width:34px;height:34px;border:1px solid #dce3d1;border-radius:50%;font-family:serif;font-size:15px;color:#65805b;background:#eaf0df}.connection{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:11px}.connection i{width:6px;height:6px;background:#628864;border-radius:50%}.connection.connecting i{background:#ba9858}.connection.offline i{background:var(--red)}
.lobby{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:36px;min-height:640px;padding:54px 0 64px}.eyebrow{font-size:12px;color:var(--green);letter-spacing:2px;display:flex;align-items:center;gap:9px;margin:0 0 24px}.eyebrow>span{width:7px;height:7px;background:#94ab7b;border-radius:50%}.lobby h1{font-size:clamp(40px,4.2vw,56px);font-weight:550;line-height:1.4;letter-spacing:2px;margin:0 0 23px}.lobby h1>span{color:#8da174}.intro{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 30px}.lobby-actions{width:300px;max-width:100%}.button{min-height:44px;border-radius:8px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:10px;line-height:1.4;border:1px solid transparent;font-size:13px;font-weight:550}.button.primary{color:#fff;background:var(--green)}.button.primary:hover:not(:disabled){background:var(--green-hover);box-shadow:0 4px 12px #28554620}.button.secondary{background:#fcfcf7;border-color:#d9dfd0;color:var(--ink)}.button.secondary:hover:not(:disabled){background:#edf0e5}.button.large{width:100%;padding:16px 22px;min-height:55px;justify-content:space-between;font-size:15px}.button.large span:last-child{font-size:23px;line-height:1}.join-form{margin-top:24px}.join-form>label{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}.join-input-wrap{display:flex;gap:8px}.join-input-wrap input{width:0;flex:1;min-width:0;border:1px solid var(--line);border-radius:7px;padding:10px 13px;letter-spacing:2px;background:#fff;color:var(--ink);font-size:14px}.join-input-wrap input::placeholder{letter-spacing:1px;color:#9a9e94;font-size:12px}.join-input-wrap button{flex:none;padding:10px 15px}.lobby-note{font-size:10px;letter-spacing:.4px;color:#8d9487;margin-top:29px}.lobby-note span{margin:0 7px;color:#adb59f}.lobby-visual{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:32px 0 10px}.visual-caption{font-size:12px;letter-spacing:4px;color:#778369;margin-bottom:30px}.display-board{width:100%;max-width:400px;aspect-ratio:1;border-radius:13px;position:relative;transform:rotate(-8deg);background:linear-gradient(135deg,#ead3ac,#dec097);box-shadow:0 24px 30px -16px #765c4136,0 2px 0 2px #d6b98f,inset 0 0 0 9px #e7cda6}.display-grid{position:absolute;inset:9%;background-image:linear-gradient(to right,#71593755 1px,transparent 1px),linear-gradient(to bottom,#71593755 1px,transparent 1px);background-size:12.5% 12.5%;border-right:1px solid #71593755;border-bottom:1px solid #71593755}.demo-stone{position:absolute;width:8.8%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%)}.dark,.stone.black{background:radial-gradient(circle at 32% 25%,#505650 0,#262d29 48%,#19211e 90%);box-shadow:2px 4px 5px #0003,inset -1px -2px 3px #0004,inset 1px 1px 1px #fff2}.light,.stone.white{background:radial-gradient(circle at 33% 23%,#fff 0,#fbfaf3 52%,#dadbd3 100%);box-shadow:2px 4px 5px #0003,inset -1px -2px 2px #6c6d5429,inset 1px 1px 1px #fff}.ds1{top:39.75%;left:39.75%}.ds2{top:50%;left:39.75%}.ds3{top:50%;left:50%}.ds4{top:39.75%;left:50%}.ds5{top:60.25%;left:60.25%}.ds6{top:60.25%;left:50%}.ds7{top:29.5%;left:29.5%}.ds8{top:70.5%;left:70.5%}.ds9{top:50%;left:60.25%}.visual-label{display:flex;align-items:center;justify-content:center;gap:7px;font-size:11px;color:#7e8774;letter-spacing:1px;margin-top:46px}.visual-label>span:last-child{margin-left:6px}.tiny-stone{display:inline-block;width:15px;height:15px;flex:none;border-radius:50%;vertical-align:middle}.tiny-stone.black{background:radial-gradient(circle at 30% 25%,#525a50,#202921);box-shadow:0 1px 2px #0003}.tiny-stone.white{background:radial-gradient(circle at 30% 25%,white,#e4e6dc);border:1px solid #ced2c4;box-shadow:0 1px 2px #0001}.tiny-stone.neutral{background:#d8dfd0;border:1px dashed #9baa90}.notice{padding:13px 15px;background:#eaf0df;border:1px solid #dce6d0;border-radius:8px;line-height:1.6;font-size:12px;margin-top:18px;max-width:380px}.recover-link{margin-top:17px;display:block;background:none;border:0;padding:0;color:var(--green);font-size:12px;text-decoration:underline;text-underline-offset:4px}
.game{padding:27px 0 40px}.game-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:15px}.text-button{border:0;padding:4px 0;background:none;font-size:12px;color:var(--muted)}.text-button:hover{color:var(--green)}.text-button span{margin-right:4px}.game h1{font-size:25px;font-weight:550;margin:13px 0 0;letter-spacing:1px}.game h1>span{display:inline-block;font-size:12px;letter-spacing:2px;color:#6d7b65;font-weight:450;background:#e9efdf;border-radius:5px;padding:6px 9px;vertical-align:middle;margin-left:11px}.compact{min-height:38px;font-size:12px;padding:8px 14px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:33px;align-items:start}.board-column{min-width:0}.board-top{display:flex;align-items:center;justify-content:space-between;margin:0 3px 13px;font-size:12px;gap:8px}.board-status{display:flex;align-items:center;gap:8px}.muted{color:var(--muted);font-size:11px}.board-frame{background:linear-gradient(135deg,#ead0a6,#e3c192);border-radius:12px;padding:15px;box-shadow:0 5px 0 #d8b88b,0 12px 27px #70533313;border:1px solid #d4b58b;position:relative}.board{display:grid;grid-template-columns:repeat(15,minmax(0,1fr));grid-template-rows:repeat(15,minmax(0,1fr));aspect-ratio:1;position:relative;isolation:isolate}.board::before{content:"";position:absolute;inset:calc(100% / 30);background-image:linear-gradient(to right,#755b397d 1px,transparent 1px),linear-gradient(to bottom,#755b397d 1px,transparent 1px);background-size:calc(100% / 14) calc(100% / 14);border-right:1px solid #755b397d;border-bottom:1px solid #755b397d;z-index:-1;pointer-events:none}.cell{padding:0;border:0;background:none;position:relative;min-width:0;min-height:0;display:grid;place-items:center;border-radius:4px;touch-action:manipulation;aspect-ratio:1;opacity:1!important;cursor:default}.cell .star{width:5px;height:5px;background:#69533a;border-radius:50%;position:absolute;z-index:-1}.cell .stone{width:87%;aspect-ratio:1;border-radius:50%;display:block;position:relative;animation:stone-in .12s ease-out}.cell.last .stone::after{content:"";width:16%;height:16%;border-radius:50%;background:#ddbd77;position:absolute;left:42%;top:42%}.cell.last .stone.white::after{background:#52765c}.cell.win .stone{outline:2px solid #7d985a;outline-offset:1px;box-shadow:0 0 0 3px #eddfb66e,2px 4px 5px #0003}.board.can-play .cell.empty{cursor:pointer}.board.can-play .cell.empty:hover{background:#faf9e34d}.cell:focus-visible{outline:2px solid var(--green);outline-offset:-1px}.board-bottom{display:flex;justify-content:space-between;font-size:10px;color:#8d927f;margin:16px 3px 0;gap:10px}.board-bottom>span{display:flex;align-items:center;gap:6px}.last-move-key{width:5px;height:5px;border-radius:50%;background:#69825a}.game-sidebar{display:flex;flex-direction:column;gap:16px}.status-panel,.players-panel{background:#ffffffa8;border:1px solid var(--line);border-radius:11px;padding:23px;box-shadow:var(--shadow)}.panel-kicker{font-size:10px;color:#82936d;letter-spacing:2px;margin-bottom:9px}.status-panel h2{font-size:24px;letter-spacing:1px;font-weight:550;margin:0 0 9px}.status-panel p{font-size:12px;line-height:1.8;color:var(--muted);margin:0;min-height:22px}.clock-panel{padding-top:17px;margin-top:18px;border-top:1px solid var(--line)}.clock-panel>span{font-size:11px;color:var(--muted)}.clock-panel>div{display:flex;align-items:baseline;gap:7px;margin:4px 0 8px}.clock-panel strong{font-size:49px;line-height:1.05;letter-spacing:-1px;font-weight:550;font-variant-numeric:tabular-nums}.clock-panel>div>span{font-size:12px;color:var(--muted)}progress{display:block;width:100%;height:4px;appearance:none;-webkit-appearance:none;border:0;background:#e4e9dc;color:#75945e;border-radius:3px;overflow:hidden}progress::-webkit-progress-bar{background:#e4e9dc}progress::-webkit-progress-value{background:#75945e;transition:width .25s}progress::-moz-progress-bar{background:#75945e}.clock-panel.urgent strong{color:var(--red)}.clock-panel.urgent progress::-webkit-progress-value{background:var(--red)}.clock-panel.urgent progress::-moz-progress-bar{background:var(--red)}.players-panel{padding:20px}.panel-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.panel-row h2{font-size:12px;font-weight:550;margin:0;letter-spacing:1px}.panel-row>span{font-size:11px;color:var(--muted)}.players{display:flex;flex-direction:column;gap:10px}.player{display:flex;align-items:center;gap:11px;padding:12px 10px;border:1px solid #e6eadd;border-radius:7px;min-height:64px;background:#fafbf5;position:relative}.player.active{border-color:#abc29b;background:#eef3e6}.player.active::after{content:"";width:5px;height:5px;border-radius:50%;background:#65854b;position:absolute;right:10px;top:15px}.player .tiny-stone{width:24px;height:24px}.player-body{min-width:0;flex:1}.player-name{font-size:12px;overflow-wrap:anywhere;line-height:1.5;padding-right:5px}.player-name .you{font-size:9px;background:#e3ebd8;color:#627751;border-radius:3px;padding:2px 4px;margin-left:5px;white-space:nowrap}.player-meta{font-size:10px;color:var(--muted);margin-top:4px}.player.vacant{border-style:dashed;background:transparent}.player.vacant .tiny-stone{opacity:.5}.color-picker{border-top:1px solid var(--line);margin-top:17px;padding-top:15px}.color-picker p{font-size:10px;color:var(--muted);line-height:1.6;margin:0 0 10px}.color-buttons{display:flex;gap:7px}.color-button{display:flex;align-items:center;justify-content:center;gap:5px;flex:1;white-space:nowrap;border:1px solid #d5ddca;background:#fff;border-radius:6px;padding:10px 6px;font-size:11px;min-height:42px;color:var(--ink)}.color-button small{font-size:9px;color:var(--muted)}.color-button:hover:not(:disabled){border-color:#8fab7b;background:#edf3e5}.full{width:100%}.danger{border-color:#dddfd0;background:transparent;color:#8c6e60}.danger:hover:not(:disabled){background:#f5e9e1;border-color:#d8b5a1;color:#9b4e32}.restart-panel{background:#eaf0e0;border:1px solid #dce6ce;border-radius:9px;padding:16px}.restart-panel>p{font-size:11px;line-height:1.8;color:#6f7d61;margin:0 0 12px}.restart-panel .text-button{margin-top:8px}.rules-card{display:flex;gap:10px;padding:3px 4px}.rules-icon{font-family:serif;border:1px solid #c6ceb9;border-radius:4px;display:grid;place-items:center;width:24px;height:26px;font-size:14px;color:#8b9777;flex:none;margin-top:1px}.rules-card p{font-size:10px;color:#8b9480;line-height:1.9;margin:0}.site-footer{border-top:1px solid var(--line);padding:23px 0;display:flex;justify-content:space-between;gap:15px;font-size:10px;letter-spacing:.6px;color:#97a08b}.footer-dot{margin:0 6px}.message{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);width:max-content;padding:12px 18px;background:#293d33;color:#fff;font-size:13px;line-height:1.6;box-shadow:0 5px 25px #1e2d2826;border-radius:9px;z-index:20}.message.error{background:#904c39}dialog{padding:28px;border:1px solid var(--line);border-radius:13px;max-width:calc(100% - 40px);width:400px;background:#fafbf5;color:var(--ink);box-shadow:0 20px 70px #0002}dialog::backdrop{background:#24372b70;backdrop-filter:blur(3px)}dialog .eyebrow{font-size:10px;margin-bottom:17px}dialog h2{font-size:22px;font-weight:550;margin:0 0 14px}dialog p:not(.eyebrow){font-size:13px;line-height:1.8;color:var(--muted);margin:0}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:25px}.dialog-actions button{min-width:106px}
.lobby-copy{min-width:0}.connection-alert{margin-top:18px;background:#f3e9d5;border:1px solid #e1d2af;border-radius:8px;padding:12px 15px;font-size:12px;line-height:1.7;color:#86673e}.clipboard-helper{position:fixed;left:-9999px;top:0;width:1px;height:1px;opacity:0}
@keyframes stone-in{from{transform:scale(.84);opacity:.4}to{transform:scale(1);opacity:1}}@media(min-width:1100px){.board-frame{padding:21px}.board-column{max-width:710px}}@media(max-width:900px){.app-shell{padding:0 28px}.lobby{gap:20px;min-height:570px}.display-board{max-width:320px}.lobby h1{font-size:42px}.game-layout{grid-template-columns:minmax(0,1fr) 244px;gap:20px}.status-panel,.players-panel{padding:17px}.color-button small{display:none}.status-panel h2{font-size:22px}.clock-panel strong{font-size:42px}.board-frame{padding:11px}.game-sidebar{gap:13px}}
@media(max-width:700px){.app-shell{padding:0 20px}.site-header{height:82px}.brand>span:last-child{font-size:22px}.brand-mark{width:35px;height:35px;gap:4px}.brand small{font-size:9px;margin-top:6px}.profile-name{font-size:11px;margin-left:0}.avatar{width:29px;height:29px;font-size:13px}.connection>span{display:none}.profile{gap:8px}.lobby{min-height:auto;grid-template-columns:1fr;gap:24px;padding:42px 0}.lobby-copy{text-align:center}.eyebrow{justify-content:center;font-size:10px;margin-bottom:20px}.lobby h1{font-size:42px;line-height:1.35;letter-spacing:2px;margin-bottom:18px}.intro{font-size:12px;margin-bottom:25px;line-height:1.8}.lobby-actions{margin:auto;width:320px}.join-form{text-align:left;margin-top:21px}.lobby-note{margin-top:24px}.lobby-visual{display:none}.lobby .notice{margin:18px auto 0;text-align:left}.recover-link{margin:18px auto 0}.site-footer{font-size:9px;padding:20px 0}.site-footer>span:last-child{display:none}.game{padding:19px 0 27px}.game-heading{margin-bottom:20px}.game h1{font-size:22px;margin-top:10px}.game h1>span{font-size:11px;padding:5px 7px;margin-left:7px;letter-spacing:1px}.compact{padding:8px 10px;font-size:11px;min-height:36px;gap:5px}.game-layout{grid-template-columns:1fr;gap:22px}.board-frame{padding:12px}.board-top{margin-bottom:12px;font-size:11px}.board-bottom{font-size:9px;margin-top:14px}.game-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:12px}.status-panel{padding:18px;box-shadow:none}.players-panel{padding:16px 12px;box-shadow:none}.panel-row{margin-bottom:12px}.player{min-height:60px;padding:10px 7px;gap:7px}.player .tiny-stone{width:20px;height:20px}.player-name{font-size:10px}.player-name .you{font-size:8px;margin-left:4px}.player-meta{font-size:9px}.status-panel h2{font-size:21px}.status-panel p{font-size:10px;line-height:1.9}.panel-kicker{font-size:9px;margin-bottom:10px}.clock-panel{margin-top:14px;padding-top:13px}.clock-panel strong{font-size:45px}.clock-panel>span{font-size:10px}.clock-panel>div{margin:7px 0 10px}.color-picker{margin-top:12px;padding-top:11px}.color-picker p{font-size:9px;margin-bottom:8px}.color-buttons{gap:5px}.color-button{font-size:10px;padding:8px 4px;gap:4px;min-height:38px}.color-button .tiny-stone{width:12px;height:12px}.restart-panel{grid-column:1 / -1;padding:13px 16px}.restart-panel p{font-size:11px}.game-sidebar>.danger{grid-column:1 / -1}.rules-card{grid-column:1 / -1;justify-content:center;margin-top:3px}.rules-card p{font-size:10px}.rules-card br:last-of-type{display:none}.rules-icon{margin-top:6px}dialog .eyebrow{justify-content:flex-start}}
@media(max-width:370px){.app-shell{padding:0 13px}.profile-name{max-width:70px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.game h1{font-size:20px}.game h1>span{font-size:10px;letter-spacing:0;margin-left:5px}.game-layout{gap:19px}.board-frame{padding:8px;border-radius:9px}.game-sidebar{gap:9px}.status-panel{padding:16px 13px}.players-panel{padding:14px 9px}.status-panel h2{font-size:19px}.player{gap:6px}.player .tiny-stone{width:17px;height:17px}.player-name{font-size:9px}.player-meta{font-size:8px}.player-name .you{margin-left:3px;padding:1px 3px}.color-button{font-size:9px;gap:3px}.color-picker p{font-size:8px}.panel-row h2{font-size:11px}.board-top{font-size:10px}.muted{font-size:10px}.lobby h1{font-size:39px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Readable game information and a clock that stays beside the mobile play area. */
body{font-size:16px}
.brand small,.connection,.lobby-note,.visual-label,.visual-caption,.eyebrow,.join-form>label,.join-input-wrap input::placeholder,.game h1>span,.muted,.board-bottom,.panel-kicker,.clock-panel>span,.clock-panel>div>span,.panel-row>span,.player-meta,.player-name .you,.color-picker p,.color-button small,.rules-card p,.site-footer,dialog .eyebrow{font-size:12px}
.profile-name,.button,.compact,.text-button,.recover-link,.board-top,.status-panel p,.panel-row h2,.player-name,.color-button,.restart-panel>p,.notice,.connection-alert,dialog p:not(.eyebrow){font-size:14px}
.intro,.join-input-wrap input{font-size:16px}
.color-button{min-height:44px}
.color-buttons{flex-wrap:wrap}
.rules-card p{color:#737d6b}
.game-layout{grid-template-columns:minmax(0,1fr) 310px}
@media(min-width:701px){.board-column{width:100%;max-width:min(100%,calc(100dvh - 290px));justify-self:center}.game-layout{column-gap:28px}.board-frame{padding:14px}}
@media(min-width:701px) and (max-width:900px){.game-layout{grid-template-columns:minmax(0,1fr) 260px;column-gap:18px}.status-panel,.players-panel{padding:15px}.color-button small{display:none}}
@media(max-width:700px){
  .game-layout{display:flex;flex-direction:column;gap:16px}
  .game-sidebar{display:contents}
  .status-panel{order:0;width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px;padding:13px 16px}
  .status-panel .panel-kicker{grid-column:1;grid-row:1;margin:0;letter-spacing:1px}
  .status-panel h2{grid-column:1;grid-row:2;margin:0;font-size:21px}
  .status-panel p{grid-column:1;grid-row:3;font-size:12px;line-height:1.6}
  .clock-panel{grid-column:2;grid-row:1 / span 3;align-self:center;min-width:74px;border:0;padding:0;margin:0}
  .clock-panel>div{margin:4px 0 6px}
  .clock-panel strong{font-size:36px}
  .board-column{order:1;width:100%;max-width:none}
  .players-panel{order:2;width:100%;padding:16px}
  .players{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
  .player{padding:10px 8px;gap:7px}
  .player .tiny-stone{width:19px;height:19px}
  .player-name{font-size:14px}
  .player-meta,.player-name .you{font-size:12px}
  .player-name .you{margin-left:3px;padding:1px 3px}
  .color-picker p{font-size:12px}
  .color-button{font-size:14px}
  .restart-panel,.game-sidebar>.danger{order:3;width:100%}
  .rules-card{order:4;width:100%;margin-top:0}
  .rules-card p{font-size:12px}
  .site-footer{font-size:12px}
  .profile-name{font-size:12px}
  .brand small{font-size:12px;letter-spacing:1px}
  .lobby .eyebrow{font-size:12px}
  .lobby .intro{font-size:16px}
  .game h1>span{font-size:12px;letter-spacing:0}
  .compact{font-size:14px;min-height:44px}
  .board-top{font-size:14px}
  .board-bottom,.muted{font-size:12px}
}
@media(max-width:370px){.profile{gap:6px}.profile-name{max-width:72px}.brand{gap:8px}.avatar{width:25px;height:25px}.game-heading{gap:8px}.game h1{font-size:20px}.game h1>span{margin-left:0}.compact{padding:8px}.status-panel{padding:12px}.players-panel{padding:13px}.player{gap:5px;padding:9px 6px}.player .tiny-stone{width:16px;height:16px}.player-name{font-size:14px}.player-meta,.color-picker p,.panel-row h2{font-size:12px}}