:root{--bg:#121417;--panel:#1a1d22;--panel-2:#22262d;--line:#2f343c;--text:#ece8df;--muted:#9a9fa8;--accent:#e0a23e;--accent-ink:#1b1305;--blue:#4f8fd6;--danger:#e0604a;--radius:12px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body{background:radial-gradient(1200px 800px at 30% 15%, #1d2128, var(--bg));min-height:100%;color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif}#app{height:100vh;gap:24px;height:100dvh;padding:24px;display:flex}.board-wrap{flex:1;justify-content:center;align-items:center;min-width:0;min-height:0;display:flex}#board{touch-action:manipulation;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:10px;display:block;box-shadow:0 24px 60px #0000008c,inset 0 2px #ffffff0f}.panel{flex-direction:column;flex:none;gap:14px;width:340px;padding-right:4px;display:flex;overflow-y:auto}.brand{align-items:center;gap:12px;display:flex}.brand .logo{width:44px;height:44px;color:var(--accent-ink);background:linear-gradient(135deg,#f3c56b,#c98a26);border-radius:12px;place-items:center;font-size:24px;font-weight:700;display:grid;box-shadow:0 6px 18px #e0a23e59}.brand h1{letter-spacing:2px;margin:0;font-size:20px}.brand p{color:var(--muted);margin:2px 0 0;font-size:13px}.brand .btn{margin-left:auto}.players{gap:8px;display:grid}.player{border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);align-items:center;gap:12px;padding:12px 14px;transition:border-color .2s,box-shadow .2s;display:flex}.player.active{border-color:var(--accent);box-shadow:0 0 0 3px #e0a23e26}.player .stone{border-radius:50%;flex:none;width:28px;height:28px}.stone.b{background:radial-gradient(circle at 35% 32%,#777,#222 30%,#000)}.stone.w{background:radial-gradient(circle at 35% 32%,#fff,#ece8df 55%,#b8b1a4)}.pinfo{flex:1;min-width:0}.pname{white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.pmeta{color:var(--muted);margin-top:2px;font-size:12px}.pmeta b{color:var(--text)}.turn-dot{background:0 0;border-radius:50%;width:10px;height:10px}.player.active .turn-dot{background:var(--accent)}.player.thinking .turn-dot{animation:.9s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.25;transform:scale(.7)}}.winrate{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px}.wr-bar{background:linear-gradient(#f4f1ea,#d9d4c9);border-radius:5px;height:10px;overflow:hidden}.wr-black{background:linear-gradient(#3a3a3a,#0b0b0b);width:50%;height:100%;transition:width .5s cubic-bezier(.2,.8,.2,1)}.wr-text{color:var(--muted);justify-content:space-between;gap:8px;margin-top:6px;font-size:12px;display:flex}#wr-lead{color:var(--accent);font-weight:600}.status{border-radius:var(--radius);background:var(--panel-2);min-height:44px;padding:12px 14px;font-size:14px;line-height:1.45}.status.busy:after{content:"";vertical-align:-1px;border:2px solid var(--accent);border-right-color:#0000;border-radius:50%;width:12px;height:12px;margin-left:8px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.actions{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.actions .wide{grid-column:span 3}.btn{appearance:none;border:1px solid var(--line);background:var(--panel-2);color:var(--text);font:inherit;cursor:pointer;border-radius:10px;padding:10px 12px;font-size:14px;transition:background .15s,transform 50ms,opacity .15s}.btn:hover:not(:disabled){background:#2b3038}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{color:var(--accent-ink);background:linear-gradient(135deg,#f0bf62,#d18f2a);border-color:#0000;font-weight:700}.btn.primary:hover:not(:disabled){background:linear-gradient(135deg,#f6cb78,#da9a35)}.btn.accent{color:#f3c66f;border-color:#e0a23e8c}.btn.danger{color:#f08a76}.btn.ghost{background:0 0}.btn.small{padding:7px 12px;font-size:13px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:4px 14px}.card summary{cursor:pointer;color:var(--muted);padding:10px 0;font-weight:600}.card[open]{padding-bottom:12px}.toggle{cursor:pointer;align-items:center;gap:10px;padding:6px 0;font-size:14px;display:flex}.toggle input{accent-color:var(--accent);width:16px;height:16px}.card .btn{margin-top:8px}.stat-row{border-bottom:1px dashed var(--line);justify-content:space-between;padding:6px 0;font-size:13px;display:flex}.stat-row:last-child{border-bottom:none}.stat-row b{color:var(--accent)}.muted{color:var(--muted);margin:4px 0;font-size:13px}.foot{color:#6c717a;text-align:center;margin-top:auto;padding-top:8px;font-size:12px}dialog{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:16px;width:min(460px,100vw - 32px);padding:24px;box-shadow:0 30px 80px #0009}dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#05060899}dialog h2{margin:0 0 16px;font-size:20px}.field{margin-bottom:16px}.field .label{color:var(--muted);margin-bottom:8px;font-size:13px;display:block}.seg{flex-wrap:wrap;gap:6px;display:flex}.seg label{flex:1;min-width:64px}.seg input{opacity:0;pointer-events:none;position:absolute}.seg span{text-align:center;border:1px solid var(--line);background:var(--panel-2);cursor:pointer;border-radius:9px;padding:9px 8px;font-size:14px;transition:all .15s;display:block}.seg input:checked+span{border-color:var(--accent);color:#f3c66f;background:#e0a23e1a}.seg input:focus-visible+span{outline:2px solid var(--accent)}select{border:1px solid var(--line);background:var(--panel-2);width:100%;color:var(--text);font:inherit;border-radius:9px;padding:9px 10px}.hint{color:var(--muted);margin:6px 0 0;font-size:12px}menu{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin:20px 0 0;padding:0;display:flex}.res{text-align:center}.res-title{letter-spacing:4px;margin:8px 0 12px;font-size:34px;font-weight:800}.res-title.win{color:var(--accent)}.res-title.lose{color:#b8bcc4}.res-detail{white-space:pre-line;font-size:15px;line-height:1.7}.res-stat{color:var(--muted);margin-top:10px;font-size:13px}.res menu{justify-content:center}#toast{border:1px solid var(--line);color:var(--text);opacity:0;pointer-events:none;text-align:center;z-index:10;background:#1e2127f5;border-radius:999px;max-width:calc(100vw - 32px);padding:10px 18px;font-size:14px;transition:all .25s;position:fixed;bottom:32px;left:50%;transform:translate(-50%,20px)}#toast.show{opacity:1;transform:translate(-50%)}.review{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);gap:10px;padding:12px 14px;display:grid}.rv-head{align-items:center;gap:10px;display:flex}.rv-head .btn{margin-left:auto}.rv-chart-wrap{background:var(--panel-2);border-radius:8px;height:92px;position:relative;overflow:hidden}#rv-chart{cursor:pointer;touch-action:none;width:100%;height:100%;display:block}.rv-chart-empty{color:var(--muted);pointer-events:none;place-items:center;font-size:12px;display:none;position:absolute;inset:0}.rv-chart-wrap.empty .rv-chart-empty{display:grid}.rv-nav{grid-template-columns:repeat(6,1fr);gap:6px;display:grid}.rv-nav .btn{padding:8px 0}.rv-comment{min-height:48px;font-size:14px;line-height:1.6}.rv-comment .muted{font-size:12px}.rv-tools{grid-template-columns:2fr 1fr;gap:8px;display:grid}.tag{background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:1px 8px;font-size:12px;display:inline-block}.tag.bad{color:#fff;background:#c4483a;border-color:#0000}.tag.warn{color:var(--accent-ink);background:#e8a33d;border-color:#0000}.tag.good{color:#9fd59a;border-color:#78c86e66}.chips{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin-top:8px;font-size:13px;display:flex}.chip{appearance:none;font:inherit;border:1px solid var(--line);background:var(--panel-2);color:var(--text);cursor:pointer;border-radius:999px;padding:4px 10px;font-size:12px}.chip.blunder{border-color:#e0604ab3}.chip.mistake{border-color:#e8a33db3}.welcome{text-align:center}.logo.big{width:64px;height:64px;color:var(--accent-ink);background:linear-gradient(135deg,#f3c56b,#c98a26);border-radius:18px;place-items:center;margin:4px auto 12px;font-size:34px;font-weight:700;display:grid;box-shadow:0 8px 24px #e0a23e59}.welcome h2{margin-bottom:8px}.welcome menu{flex-direction:column;align-items:stretch}.welcome menu .btn{padding:12px;font-size:15px}body.no-scroll{overflow:hidden}.tutorial{z-index:5;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#08090bd1;place-items:center;padding:16px;display:grid;position:fixed;inset:0;overflow-y:auto}.tut-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:10px;width:min(520px,100%);max-height:100%;padding:20px;display:flex;box-shadow:0 30px 80px #0009}.tut-head{align-items:center;gap:12px;font-size:13px;display:flex}.tut-head .btn{margin-left:auto}.tut-progress{gap:5px;display:flex}.tut-progress i{background:var(--line);border-radius:2px;width:18px;height:4px}.tut-progress i.done{background:#e0a23e8c}.tut-progress i.cur{background:var(--accent)}.tut-card h2{margin:0;font-size:22px}.tut-board-wrap{aspect-ratio:1;justify-content:center;align-items:center;width:100%;max-height:min(460px,52vh);display:flex}#tut-board{cursor:pointer;touch-action:manipulation;border-radius:10px;box-shadow:0 16px 40px #00000080}.tut-text{margin:0;font-size:15px;line-height:1.7}.tut-feedback{min-height:24px;margin:0;font-size:14px;line-height:1.6}.tut-feedback.ok{color:#9fd59a}.tut-feedback.bad{color:#f08a76}.tut-card menu{margin-top:4px}@media (max-width:860px){#app{flex-direction:column;gap:14px;height:auto;min-height:100dvh;padding:12px 16px 24px}.board-wrap{aspect-ratio:1;flex:none;width:100%}.panel{width:100%;padding-right:0;overflow:visible}.brand{order:-1}.players{grid-template-columns:1fr 1fr}.player{gap:8px;padding:10px}}