.hn-stage{background:radial-gradient(120% 100% at 50% 26%,#fff 0%,#f8f4ee 46%,#ece3d6 100%);border-color:#ebe1d2}.hn-app .lab-col{gap:10px}.hn-hud{padding:5px;display:flex;top:14px;left:14px}.hn-hud__i{flex-direction:column;gap:1px;min-width:88px;padding:6px 14px 7px;display:flex}.hn-hud__i+.hn-hud__i{border-left:1px solid var(--lab-line-2)}.hn-hud__i span{letter-spacing:.08em;text-transform:uppercase;color:var(--lab-mute);white-space:nowrap;font-size:11px;font-weight:700}.hn-hud__i b{color:var(--lab-ink);font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;line-height:1.15}.hn-hud.is-over [data-hn-moves]{color:#c2410c}.hn-goal{flex-direction:column;align-items:flex-end;padding:8px 14px;display:flex;top:14px;right:14px}.hn-goal span{letter-spacing:.08em;text-transform:uppercase;color:var(--lab-mute);font-size:11px;font-weight:700}.hn-goal b{font-family:var(--lab-serif);color:var(--lab-acc);font-size:19px;font-weight:600}.hn-toast{z-index:6;color:#fff;text-align:center;opacity:0;pointer-events:none;background:#1e293bf0;border-radius:14px;max-width:min(520px,100% - 28px);padding:10px 16px;font-size:14px;line-height:1.45;transition:opacity .2s,transform .2s;position:absolute;top:84px;left:50%;transform:translate(-50%,-6px);box-shadow:0 12px 30px #0f1e3740}.hn-toast.is-on{opacity:1;transform:translate(-50%)}.hn-toast.is-bad{background:#b42318f2}.hn-toast b{font-weight:800}.hn-dock{width:max-content;max-width:calc(100% - 28px);padding:7px;bottom:14px;left:50%;transform:translate(-50%)}.hn-row{align-items:center;gap:10px;display:flex}.hn-row[hidden]{display:none}.hn-count{align-items:center;gap:8px;padding-left:6px;display:flex}.hn-lbl{letter-spacing:.08em;text-transform:uppercase;color:var(--lab-mute);white-space:nowrap;font-size:11.5px;font-weight:700}.hn-count .lab-seg button{justify-content:center;min-width:40px;height:40px;padding:0 8px;font-size:15px;font-weight:700}.hn-count .lab-seg button.is-on{background:var(--lab-acc);color:#fff;box-shadow:0 4px 12px color-mix(in srgb, var(--lab-acc) 35%, transparent)}.hn-acts{gap:8px;display:flex}.hn-acts .lab-btn,.hn-row--solve .lab-btn{height:46px;padding:0 16px}.hn-pause{background:var(--lab-acc);color:#fff;cursor:pointer;width:46px;height:46px;box-shadow:0 6px 16px color-mix(in srgb, var(--lab-acc) 38%, transparent);border:0;border-radius:50%;flex:none;place-items:center;transition:all .18s;display:grid}.hn-pause:hover{filter:brightness(1.06)}.hn-pause .i-play{display:none}.hn-pause[aria-pressed=true] .i-play{display:block}.hn-pause[aria-pressed=true] .i-pause{display:none}.hn-step{flex-direction:column;min-width:210px;max-width:290px;display:flex}.hn-step b{font-variant-numeric:tabular-nums;font-size:15px}.hn-step span{color:var(--lab-mute);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;overflow:hidden}.hn-speed button{height:38px}.hn-speed button.is-on{color:var(--lab-acc)}.hn-stage .hn-hint{white-space:nowrap;bottom:84px;left:50%;transform:translate(-50%)}.hn-stage.is-solving .hn-hint{opacity:0}.hn-stage.is-shake .lab-stage__gl{animation:.36s hn-shake}@keyframes hn-shake{20%{transform:translate(-4px)}45%{transform:translate(4px)}70%{transform:translate(-2px)}}.hn-win{z-index:7;opacity:0;background:radial-gradient(60% 60%,#fffaf273,#fffaf200 100%);place-items:center;padding:16px;transition:opacity .3s;display:grid;position:absolute;inset:0}.hn-win.is-on{opacity:1}.hn-win__box{text-align:center;width:min(390px,100%);box-shadow:var(--lab-shadow-lg);border:1px solid var(--lab-line);background:#fff;border-radius:22px;padding:22px 22px 20px;transition:transform .35s cubic-bezier(.2,1.4,.4,1);position:relative;transform:translateY(12px)scale(.97)}.hn-win.is-on .hn-win__box{transform:none}.hn-win__box .lab-kicker{justify-content:center;margin-bottom:6px}.hn-win__box h2{font-family:var(--lab-serif);margin:0;font-size:32px;font-weight:600}.hn-win__x{width:36px;height:36px;color:var(--lab-ink-2);cursor:pointer;background:#f1f5f9;border:0;border-radius:10px;font-size:20px;line-height:1;position:absolute;top:10px;right:10px}.hn-win__x:hover{background:#e2e8f0}.hn-stars{justify-content:center;gap:6px;margin:2px 0 10px;display:flex}.hn-star{fill:#e5e9f0}.hn-star.is-on{fill:#ffc23d;filter:drop-shadow(0 3px 6px #f5a52473);animation:.5s cubic-bezier(.2,1.6,.4,1) both hn-pop;animation-delay:calc(.35s + var(--i) * .18s)}@keyframes hn-pop{0%{opacity:0;transform:scale(.2)rotate(-40deg)}}.hn-win__stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:12px;display:grid}.hn-win__stats span{letter-spacing:.06em;text-transform:uppercase;color:var(--lab-mute);background:#f7fafd;border-radius:12px;flex-direction:column;padding:8px 4px;font-size:11px;font-weight:700;display:flex}.hn-win__stats b{letter-spacing:0;text-transform:none;color:var(--lab-ink);font-variant-numeric:tabular-nums;font-size:21px}.hn-win__p{color:var(--lab-ink-2);margin:0;font-size:14px;line-height:1.55}.hn-win__rec{color:#a86a00;margin:10px 0 0;font-size:14px;font-weight:700}.hn-win__rec.is-old{color:var(--lab-mute);font-weight:600}.hn-win__acts{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px;display:flex}.hn-win__acts .lab-btn{height:44px}.hn-tabs{background:var(--lab-card);border:1px solid var(--lab-line);width:100%;box-shadow:var(--lab-shadow);border-radius:14px}.hn-tabs button{flex:1;justify-content:center;height:38px}.hn-tabs button.is-on{background:var(--lab-acc);color:#fff}.hn-info{flex-direction:column;display:flex}.hn-mini{background:linear-gradient(#fbf8f3,#f4ede2);border-bottom:5px solid #d9aa74;border-radius:14px;flex-direction:column;align-items:center;gap:3px;margin-top:12px;padding:12px 12px 10px;display:flex}.hn-mini i{border-radius:99px;height:9px;display:block;box-shadow:inset 0 -2px #0000001f}.hn-rules,.hn-steps{counter-reset:hn;flex-direction:column;gap:8px;margin:14px 0 0;padding:0;list-style:none;display:flex}.hn-rules li,.hn-steps li{counter-increment:hn;color:var(--lab-ink-2);align-items:flex-start;gap:10px;font-size:14px;line-height:1.5;display:flex}.hn-rules li:before,.hn-steps li:before{content:counter(hn);background:var(--lab-acc-soft);width:24px;height:24px;color:var(--lab-acc);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:800;display:grid}.hn-rules b{color:var(--lab-ink)}.hn-starsrule{flex-direction:column;gap:6px;display:flex}.hn-starsrule span{color:var(--lab-ink-2);align-items:center;gap:10px;font-size:13.5px;display:flex}.hn-starsrule b{color:#f5a524;letter-spacing:1px;flex:none;width:52px;font-size:15px}.hn-starsrule i,.hn-rec__s i{color:#dce2ea;font-style:normal}.hn-rec{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:13.5px}.hn-rec th,.hn-rec td{text-align:center;padding:6px 4px}.hn-rec thead th{letter-spacing:.06em;text-transform:uppercase;color:var(--lab-mute);padding-top:0;font-size:10.5px;font-weight:700}.hn-rec tbody tr{border-top:1px solid var(--lab-line-2)}.hn-rec tbody tr.is-cur{background:var(--lab-acc-soft)}.hn-rec tbody th button{border:1px solid var(--lab-line);cursor:pointer;background:#fff;border-radius:10px;width:32px;height:32px;font-weight:800;transition:all .15s}.hn-rec tbody th button:hover{border-color:var(--lab-acc);color:var(--lab-acc)}.hn-rec tbody tr.is-cur th button{background:var(--lab-acc);border-color:var(--lab-acc);color:#fff}.hn-rec__s{color:#f5a524;letter-spacing:1px;white-space:nowrap}.hn-steps b{color:var(--lab-ink)}.hn-formula{color:#7a4f06;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,#fff8ea,#fdf0d8);border:1px solid #f4dfb4;border-radius:16px;flex-direction:column;align-items:center;gap:2px;margin-top:14px;padding:12px 14px;font-size:14.5px;display:flex}.hn-formula__big{font-family:var(--lab-serif);color:#b86e00;font-size:30px;font-weight:600}.hn-pows{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;display:grid}.hn-pow{border:1px solid var(--lab-line);background:#fff;border-radius:12px;flex-direction:column;align-items:center;padding:7px 2px 6px;display:flex}.hn-pow small{color:var(--lab-mute);font-size:11px}.hn-pow b{font-variant-numeric:tabular-nums;font-size:17px}.hn-pow.is-cur{background:var(--lab-acc);border-color:var(--lab-acc);color:#fff}.hn-pow.is-cur small{color:#ffffffd9}.hn-code{color:#dbe5f4;white-space:pre;scrollbar-width:thin;background:#152036;border-radius:14px;margin:0 0 8px;padding:12px 14px;font:12.5px/1.65 ui-monospace,SF Mono,Menlo,Consolas,monospace;overflow-x:auto}.hn-code b{color:#fbbf24;font-weight:600}.hn-stack{background:#fbfcfe;border:1px dashed #cfdbea;border-radius:14px;min-height:58px;margin-top:8px;padding:10px 12px}.hn-stack__empty{color:var(--lab-ink-2);margin:0;font-size:13.5px;line-height:1.9}.hn-stack__list{flex-direction:column;gap:3px;margin:0;padding:0;font:12.5px/1.45 ui-monospace,SF Mono,Menlo,Consolas,monospace;list-style:none;display:flex}.hn-stack__list li{padding-left:calc(var(--d) * 12px);color:#334155;position:relative}.hn-stack__list li:before{content:"↳ ";color:#94a3b8}.hn-stack__list li:first-child:before{content:""}.hn-stack__list li.is-move span{color:#0f7a52;font-weight:700}.hn-stack__f{color:var(--lab-mute);margin:6px 0 0;font-size:12px}.hn-legend{gap:8px;margin-top:10px;display:grid}.hn-legend div{color:#fff;background:linear-gradient(135deg,#1c2847,#2e3d6b);border-radius:14px;flex-direction:column;gap:2px;padding:12px 14px;display:flex}.hn-legend small{letter-spacing:.08em;text-transform:uppercase;color:#a9b8d8;font-size:11px;font-weight:700}.hn-legend b{font-family:var(--lab-serif);color:#ffd98a;font-size:23px;font-weight:600}.hn-legend span{color:#d3dcef;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;font-size:12.5px}@media (width<=1180px){.hn-step{min-width:170px}}@media (width<=1024px){.hn-app .lab-stage{height:min(72vh,640px)}}@media (width<=760px){.hn-goal{display:none}.hn-dock{width:auto;max-width:none;padding:6px;bottom:8px;left:8px;right:8px;transform:none}.hn-row{flex-wrap:wrap;justify-content:center;gap:6px}.hn-count{width:100%;padding-left:4px}.hn-count .lab-seg{flex:1}.hn-count .lab-seg button{flex:1;min-width:0}.hn-acts{width:100%}.hn-acts .lab-btn{flex:1}.hn-step{flex:1;min-width:0;max-width:none}.hn-speed{order:3;width:100%}.hn-speed button{flex:1;justify-content:center}.hn-row--solve .lab-btn{height:44px}}@media (width<=640px){.hn-app .lab-stage{height:clamp(420px,100svh - 350px,540px)}.hn-hud{padding:3px;top:8px;left:8px;right:8px}.hn-hud__i{flex:1;min-width:0;padding:5px 10px 6px}.hn-hud__i b{font-size:19px}.hn-hud__i span{font-size:10px}.hn-toast{font-size:13.5px;top:70px}.hn-acts .lab-btn,.hn-row--solve .lab-btn{height:44px;padding:0 12px}}@media (prefers-reduced-motion:reduce){.hn-star.is-on,.hn-stage.is-shake .lab-stage__gl{animation:none}}