:root{--bg:#0f1218;--panel:#171b24;--cell:#1d222d;--cell-peer:#222835;--cell-same:#2a3a55;--cell-sel:#3358a8;--line:#2c3342;--line-strong:#6b7590;--ink:#eef1f7;--ink-user:#8fc6ff;--ink-note:#9aa3b5;--wrong:#ff6b7a;--accent:#ffd166;--btn:#232937;--btn-hi:#2f3748;--sg-exit-bg:transparent;--sg-exit-color:var(--ink);--sg-exit-size:44px;--sg-exit-radius:10px;--sg-exit-border:1px solid var(--line)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--ink);-webkit-user-select:none;user-select:none;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}#app{height:100dvh;padding:max(8px, env(safe-area-inset-top)) 12px max(10px, env(safe-area-inset-bottom));flex-direction:column;align-items:center;gap:10px;display:flex}.hud{z-index:6;justify-content:space-between;align-items:center;gap:8px;width:min(100%,560px);display:flex;position:relative}.hud-left,.hud-right{align-items:center;gap:8px;display:flex}h1{letter-spacing:.02em;margin:0;font-size:20px}.pill{background:var(--btn);color:var(--ink-note);text-transform:capitalize;border-radius:999px;padding:3px 9px;font-size:12px}.stat{font-variant-numeric:tabular-nums;color:var(--ink-note);text-align:right;min-width:44px;font-size:15px}.hud-btn{border:1px solid var(--line);width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border-radius:10px;font-size:18px}.hud-btn.off{color:var(--ink-note);text-decoration:line-through}.board{--size:min(100vw - 24px, 100dvh - 260px, 520px);width:var(--size);height:var(--size);border:2px solid var(--line-strong);background:var(--line);border-radius:6px;grid-template-rows:repeat(9,1fr);grid-template-columns:repeat(9,1fr);gap:1px;display:grid;overflow:hidden}.cell{background:var(--cell);color:var(--ink);font:600 calc(var(--size) / 17) system-ui, sans-serif;cursor:pointer;border:0;place-items:center;margin:0;padding:0;transition:background 80ms;display:grid;position:relative}.cell.br{border-right:2px solid var(--line-strong)}.cell.bb{border-bottom:2px solid var(--line-strong)}.cell.peer{background:var(--cell-peer)}.cell.same{background:var(--cell-same)}.cell.sel{background:var(--cell-sel)}.cell.user{color:var(--ink-user)}.cell.wrong{color:var(--wrong)}.cell.pop .v{animation:.18s ease-out pop}@keyframes pop{0%{transform:scale(.6)}to{transform:scale(1)}}.cell .n{font:500 calc(var(--size) / 42) system-ui, sans-serif;color:var(--ink-note);grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);display:none;position:absolute;inset:1px}.cell.noted .n{display:grid}.cell .n i{visibility:hidden;place-items:center;font-style:normal;line-height:1;display:grid}.cell .n i.on{visibility:visible}.controls{flex-direction:column;gap:8px;width:min(100%,520px);display:flex}.actions{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.act{border:1px solid var(--line);background:var(--btn);height:48px;color:var(--ink);cursor:pointer;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:1px;font-size:12px;display:flex}.act .ico{font-size:18px;line-height:1}.act .ico svg{fill:none;stroke:currentColor;stroke-width:2.6px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:18px;display:block}.act[aria-pressed=true]{background:var(--accent);color:#1a1500;border-color:var(--accent)}.act:disabled{opacity:.4;cursor:default}.pad{grid-template-columns:repeat(9,1fr);gap:6px;display:grid}.num{border:1px solid var(--line);background:var(--btn);height:54px;color:var(--ink-user);cursor:pointer;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;font:600 24px/1 system-ui,sans-serif;display:flex}.num small{color:var(--ink-note);margin-top:3px;font-size:10px;font-weight:500}.num.done{opacity:.25}.num:active,.act:active{background:var(--btn-hi)}.overlay{z-index:5;background:#080a0ed1;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.overlay.hidden,.hidden{display:none!important}.card{background:var(--panel);border:1px solid var(--line);text-align:center;border-radius:16px;flex-direction:column;gap:10px;width:min(100%,360px);padding:22px 20px;display:flex}.card h2{margin:0;font-size:28px}.sub{color:var(--ink-note);margin:0;font-size:14px}.sub.small{font-size:12px}.btn{border:1px solid var(--line);background:var(--btn);height:48px;color:var(--ink);cursor:pointer;border-radius:12px;font-size:16px;font-weight:600}.btn:hover{background:var(--btn-hi)}.btn.primary{background:var(--accent);color:#1a1500;border-color:var(--accent)}.btn.daily{border-color:var(--accent);color:var(--accent)}.btn.daily small{color:var(--ink-note);font-size:11px;font-weight:500;display:block}.levels{grid-template-columns:1fr 1fr;gap:8px;display:grid}.stats{color:var(--ink-note);margin:4px 0 0;font-size:12px}.top{text-align:left;color:var(--ink-note);margin:0;padding:0 0 0 20px;font-size:13px}.top li span{float:right;color:var(--ink);font-variant-numeric:tabular-nums}@media (min-width:700px) and (min-height:700px){.board{--size:min(100vw - 24px, 100dvh - 280px, 560px)}}#menu>.card,#win>.card,#end>.card{max-height:100%;overflow-y:auto}#menu>.card>*,#win>.card>*,#end>.card>*{flex-shrink:0}.hud sg-exit{z-index:6;position:relative}@media (orientation:landscape) and (max-height:560px){body:not(.cover) #app{padding:max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));grid-template-rows:auto auto auto 1fr;grid-template-columns:minmax(0,1fr) minmax(250px,340px);place-content:stretch center;gap:8px 16px;display:grid}body:not(.cover) #app>*{grid-column:2;width:100%;min-width:0}body:not(.cover) #app>.board{width:var(--size);--size:min(100dvh - 20px, 100vw - 380px);grid-area:1/1/-1;place-self:center}.pad{grid-template-columns:repeat(5,1fr)}#menu>.card{gap:10px;width:min(100%,640px,100vw - 136px);padding:16px 22px}#menu .levels{grid-template-columns:repeat(auto-fit,minmax(84px,1fr))}body:has(.overlay:not(.hidden)) .hud-left{visibility:hidden}body:has(.overlay:not(.hidden)) .hud .stat{visibility:hidden}.overlay{padding-top:8px;padding-bottom:8px}}body.cover #app{justify-content:center;gap:0;padding:0;overflow:hidden}body.cover .hud,body.cover .controls,body.cover .overlay{display:none!important}body.cover .board{--size:1290px;border-radius:0;flex:none}body.cover .cell .n{font-size:calc(var(--size) / 30)}