:root{--bg: #0d1424;--panel: rgba(22, 28, 40, .82);--panel-border: rgba(255, 255, 255, .09);--text: #e8edf5;--muted: #93a1b5;--accent: #4fc3f7;--accent-fade: rgba(79, 195, 247, .24);--warn: #ff7043;--white-piece: #f2e9d8;--modal-bg: linear-gradient(160deg, #1a2233, #121826);--v2d-back: rgba(8, 11, 17, .72);--row-odd: rgba(255,255,255,.045);--seg-active-bg: linear-gradient(135deg, rgba(79,195,247,.25), rgba(126,87,194,.3));--sq-light: #d8c49c;--sq-dark: #77533a;--sky-light: #bcd9ff;--sky-dark: #6f9fd8}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{font-family:Segoe UI,system-ui,-apple-system,Helvetica Neue,Arial,sans-serif;background:radial-gradient(1300px 800px at 30% 18%,#1d2b45 0%,var(--bg) 62%);color:var(--text);-webkit-user-select:none;user-select:none}#app{position:fixed;top:0;right:0;bottom:0;left:0}#scene{position:absolute;top:0;right:0;bottom:0;left:0}#scene canvas{display:block}.hidden{display:none!important}#topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:14px;padding:10px 16px;background:linear-gradient(180deg,#0a0e168c,#0a0e1600);z-index:10}#logo{display:flex;align-items:center;gap:8px;font-size:17px;letter-spacing:.4px}.logo-icon{font-size:24px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.6))}.logo-text b{color:var(--accent)}#status-chip{margin-left:4px;background:var(--panel);border:1px solid var(--panel-border);padding:7px 16px;border-radius:999px;font-size:14px;font-weight:600;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);min-width:130px;text-align:center}#status-chip.check{border-color:var(--warn);color:var(--warn)}#topbar-actions{margin-left:auto;display:flex;gap:8px}.btn{background:var(--panel);color:var(--text);border:1px solid var(--panel-border);border-radius:9px;padding:8px 13px;font-size:13.5px;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:all .15s;font-family:inherit}.btn:hover{border-color:var(--accent);transform:translateY(-1px)}.btn:disabled{opacity:.4;cursor:default;transform:none}.btn.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-fade)}.btn.primary{background:linear-gradient(135deg,#2f6fb3,#7e57c2);border-color:transparent;font-weight:600}.btn.icon{padding:8px 11px}.btn.big{font-size:16px;padding:12px 26px}#side-panel{position:absolute;top:58px;right:12px;bottom:12px;width:248px;display:flex;flex-direction:column;gap:10px;z-index:9}.panel-card{background:var(--panel);border:1px solid var(--panel-border);border-radius:12px;padding:10px 12px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);flex-shrink:0}.panel-card.grow{flex:1;display:flex;flex-direction:column;min-height:90px}.card-label{font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);margin-bottom:6px}#turn-text{font-size:17px;font-weight:700}#check-warning{color:var(--warn);font-weight:700;font-size:13.5px;margin-top:3px;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.45}}#ai-info{font-size:12.5px;color:var(--muted);line-height:1.55}#ai-info b{color:var(--text)}#coach-card .card-label{display:flex;align-items:center;justify-content:space-between;gap:8px}#coach-toggle{display:inline-flex;align-items:center;gap:4px;cursor:pointer;font-size:10px;text-transform:none;letter-spacing:.3px;color:var(--muted)}#coach-toggle input{accent-color:var(--accent);margin:0;cursor:pointer}#coach-last{font-size:12.5px;color:var(--text);line-height:1.5}#coach-last b{color:var(--accent)}#coach-hints{list-style:none;margin:7px 0 0;padding:0;font-size:12px;line-height:1.45}#coach-hints li{display:flex;gap:6px;align-items:baseline;margin-bottom:5px}#coach-hints li:last-child{margin-bottom:0}.coach-ic{flex:0 0 auto;font-size:11px}.coach-warn{color:var(--warn)}.coach-info{color:var(--text)}.coach-ok{color:var(--muted)}#coach-card.coach-off #coach-last,#coach-card.coach-off #coach-hints{display:none}#heaven-info{font-size:12.5px;color:var(--muted);line-height:1.55}.captured-row{display:flex;align-items:center;gap:6px;min-height:24px}.cap-mini{font-size:17px;opacity:.85;width:20px}.white-glyph{color:var(--white-piece)}.black-glyph{color:#9aa7b8}#captured-w,#captured-b{font-size:19px;letter-spacing:1px;min-height:22px}#captured-w{color:var(--white-piece)}#captured-b{color:#9aa7b8}#history-list{list-style:none;overflow-y:auto;flex:1;font-size:12.8px;font-variant-numeric:tabular-nums}#history-list li{display:flex;padding:2.5px 4px;border-radius:6px;gap:8px}#history-list li:nth-child(odd){background:var(--row-odd)}#history-list .mvnum{color:var(--muted);width:26px;text-align:right}#history-list .mvw{color:var(--white-piece);flex:1}#history-list .mvb{color:#aeb9c9;flex:1}.hint-card{padding:8px 12px}#camera-hint{font-size:11px;color:var(--muted);line-height:1.5}#theme-drawer{position:absolute;top:58px;right:12px;bottom:12px;width:312px;z-index:40;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 18px 60px #00000073;overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--panel-border);font-size:14.5px}.drawer-scroll{overflow-y:auto;padding:12px 14px 16px;flex:1}.theme-section{margin-bottom:16px}.theme-section .card-label{margin-bottom:8px}.theme-row{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:12.8px;color:var(--text)}.theme-row label{flex:1;line-height:1.25}.theme-val{font-size:11px;color:var(--muted);min-width:46px;text-align:right;font-variant-numeric:tabular-nums}.theme-row input[type=color]{width:36px;height:26px;padding:0;border:1px solid var(--panel-border);border-radius:6px;background:none;cursor:pointer;flex-shrink:0}.theme-row input[type=range]{width:118px;accent-color:var(--accent);cursor:pointer}.theme-row input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;cursor:pointer}.theme-row select{background:var(--panel);color:var(--text);border:1px solid var(--panel-border);border-radius:6px;padding:3px 6px;font-family:inherit;font-size:12.5px;cursor:pointer}#preset-row{display:flex;flex-wrap:wrap;gap:6px}.preset-chip{background:var(--accent-fade);color:var(--text);border:1px solid var(--panel-border);border-radius:999px;padding:5px 11px;font-size:12px;cursor:pointer;font-family:inherit;transition:all .15s}.preset-chip:hover{border-color:var(--accent);transform:translateY(-1px)}.theme-row-env{flex-direction:column;align-items:stretch;gap:7px}.env-picker{display:flex;flex-wrap:wrap;gap:7px}.env-btn{position:relative;width:86px;padding:0 0 21px;border:1px solid var(--panel-border);border-radius:10px;overflow:hidden;background:#7f7f7f14;cursor:pointer;font-family:inherit;transition:transform .12s,border-color .12s,box-shadow .12s}.env-btn img{width:100%;height:46px;object-fit:cover;display:block}.env-btn .env-none{display:flex;align-items:center;justify-content:center;height:46px;font-size:20px;color:var(--muted)}.env-btn .env-name{position:absolute;left:0;right:0;bottom:3px;font-size:10.5px;color:var(--muted);line-height:1.1}.env-btn:hover{border-color:var(--accent);transform:translateY(-1px)}.env-btn.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-fade)}.env-btn.active .env-name{color:var(--accent)}.theme-actions{display:flex;flex-wrap:wrap;gap:7px;margin:4px 0 10px}.theme-actions .btn{font-size:12.3px;padding:7px 10px}.theme-note{font-size:11px;color:var(--muted);line-height:1.5}#view2d{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;background:var(--v2d-back);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center}.v2d-wrap{display:flex;gap:28px;align-items:flex-start;flex-wrap:wrap;justify-content:center;position:relative;padding:20px}.v2d-title{text-align:center;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:1px}.grid2d{display:grid;grid-template-columns:repeat(8,52px);grid-template-rows:repeat(8,52px);border:2px solid rgba(128,128,128,.35);border-radius:4px;overflow:hidden;box-shadow:0 12px 40px #00000080}.grid2d .sq{display:flex;align-items:center;justify-content:center;font-size:34px;cursor:pointer;position:relative;line-height:1}.grid2d .sq.light{background:var(--sq-light)}.grid2d .sq.dark{background:var(--sq-dark)}.grid2d .sq.sky.light{background:var(--sky-light)}.grid2d .sq.sky.dark{background:var(--sky-dark)}.grid2d .sq.wp{color:#fffdf5;text-shadow:0 1px 3px rgba(0,0,0,.45)}.grid2d .sq.bp{color:#171b22;text-shadow:0 1px 2px rgba(255,255,255,.25)}.grid2d .sq.gh:before{content:"☁";position:absolute;top:0;right:2px;font-size:11px;opacity:.85;pointer-events:none}.grid2d .sq.gh.wp{color:#fffdf5e0}.grid2d .sq.gh.bp{color:#171b22d1}.grid2d .sq.sel{outline:3px solid var(--accent);outline-offset:-3px}.grid2d .sq.move:after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--accent);opacity:.85}.grid2d .sq.cap:after{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:50%;border:4px solid var(--warn);opacity:.9}.grid2d .sq.vert:after{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:50%;border:4px dashed var(--accent);opacity:.95}.grid2d .sq.lastmv{box-shadow:inset 0 0 0 3px #ffd54fbf}.grid2d .sq.chk{background:#b3443c!important}#btn-close2d{position:fixed;bottom:26px;left:50%;transform:translate(-50%)}#thinking{position:absolute;bottom:22px;left:50%;transform:translate(-50%);background:var(--panel);border:1px solid var(--panel-border);padding:10px 20px;border-radius:999px;z-index:15;display:flex;align-items:center;gap:10px;font-size:14px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.spinner{width:16px;height:16px;border-radius:50%;border:2.5px solid rgba(128,128,128,.3);border-top-color:var(--accent);animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.modal-back{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;background:#06090ea8;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto}.modal{background:var(--modal-bg);border:1px solid var(--panel-border);border-radius:18px;padding:30px 34px;max-width:520px;width:100%;max-height:100%;overflow-y:auto;overscroll-behavior:contain;margin:auto;box-shadow:0 24px 80px #0009;text-align:center}.modal.wide{max-width:680px;text-align:left}.modal.small{max-width:430px}.confirm-actions{display:flex;gap:10px;justify-content:center;margin-top:20px}.btn.danger{background:linear-gradient(135deg,#a83a2c,#c25a3a);border-color:transparent;font-weight:600;color:#fff}#modal-confirm{z-index:45}.modal h1{font-size:26px;margin-bottom:4px}.modal h2{font-size:22px;margin-bottom:10px}.subtitle{color:var(--muted);font-size:13.5px;margin-bottom:20px}.menu-group{margin:14px 0;text-align:left}.menu-label{font-size:11.5px;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);margin-bottom:7px}.seg{display:flex;gap:6px;flex-wrap:wrap}.seg button{flex:1;min-width:76px;padding:9px 8px;border-radius:9px;background:var(--row-odd);color:var(--muted);border:1px solid var(--panel-border);cursor:pointer;font-size:13px;transition:all .15s;font-family:inherit;white-space:nowrap}.seg button:hover{color:var(--text)}.seg button.active{background:var(--seg-active-bg);color:var(--text);border-color:var(--accent);font-weight:600}#diff-desc{font-size:12px;color:var(--muted);margin-top:7px;min-height:15px}.menu-actions{display:flex;gap:10px;justify-content:center;margin-top:22px;flex-wrap:wrap}.rules-body{font-size:13.6px;line-height:1.65;color:var(--muted)}.rules-body p{margin-bottom:11px}.rules-body b{color:var(--text)}#over-title{font-size:26px}#over-text{color:var(--muted);font-size:15px;margin-top:4px}@media(max-width:1100px){#btn-theme{display:none}}@media(max-width:900px){#side-panel{width:200px}#status-chip,.logo-text{display:none}}#player-bar,#end-bar{flex-wrap:wrap;justify-content:center;width:max-content;max-width:calc(100vw - 24px);position:fixed;bottom:14px;left:50%;transform:translate(-50%);display:flex;gap:6px;align-items:center;z-index:40;background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;padding:8px 12px;box-shadow:0 8px 30px #00000059;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}#player-bar.hidden,#end-bar.hidden{display:none}#eb-title{font-weight:600;font-size:13px;padding:0 6px}.pb-btn{border:1px solid var(--panel-border);background:transparent;color:var(--text);border-radius:9px;padding:7px 10px;font-size:14px;cursor:pointer;line-height:1;white-space:nowrap}.pb-btn:hover:not(:disabled){border-color:var(--accent)}.pb-btn:disabled{opacity:.35;cursor:default}.pb-btn.pb-primary{background:var(--seg-active-bg);border-color:var(--accent);font-weight:600;padding:7px 14px}#pb-label,#eb-label{font-size:12px;color:var(--muted);min-width:92px;text-align:center;font-variant-numeric:tabular-nums}.grid2d .sq.epv{box-shadow:inset 0 0 0 3px var(--m-cap, #ff7043)}