:root{--app-bg:#d9d9d9;--panel-bg:#d9d9d9;--panel-border:#9a9a9a;--panel-border-dark:#7d7d7d;--ink:#121212;--button-bg:#39d13f;--button-border:#209f2a;--button-text:#0b130b;--button-bg-pressed:#2ca433;--button-border-pressed:#177a1f;--button-text-pressed:#071007;--button-gray:#d0d0d0;--button-gray-border:#9d9d9d;--button-gray-text:#111;--left-col-width:472px;--right-col-width:200px;--main-col-gap:12px;--grid-size:50px;--grid-gap:1px;--center-col-width:700px;--ad-rail-width:0px;--ad-rail-gap:16px;--ad-slot-gap:12px;--ad-rail-min-slot-height:600px}*{box-sizing:border-box;-webkit-user-select:none;user-select:none}html,body{width:100%;min-height:100%;margin:0}html{scrollbar-gutter:stable;font-size:17px}body{color:var(--ink);background:var(--app-bg);font-family:Segoe UI,Tahoma,Arial,sans-serif}@supports not (scrollbar-gutter:stable){body{overflow-y:scroll}}#app{min-height:100vh}.hb-page{grid-template-columns:auto;justify-content:center;align-items:start;min-height:100vh;display:grid}.hb-page.hb-page-with-side-ads{grid-template-columns:var(--ad-rail-width) auto var(--ad-rail-width);column-gap:var(--ad-rail-gap)}#app,#app *{-webkit-user-select:none!important;user-select:none!important}.hb-window{grid-template-columns:var(--left-col-width) var(--center-col-width) var(--right-col-width);gap:var(--main-col-gap);width:calc(var(--left-col-width) + var(--center-col-width) + var(--right-col-width) + (2 * var(--main-col-gap)) + 24px);min-width:calc(var(--left-col-width) + var(--center-col-width) + var(--right-col-width) + (2 * var(--main-col-gap)) + 24px);max-width:calc(var(--left-col-width) + var(--center-col-width) + var(--right-col-width) + (2 * var(--main-col-gap)) + 24px);align-items:start;margin:0 auto;padding:12px;display:grid}.hb-ad-rail{width:var(--ad-rail-width);min-width:0;display:none}.hb-page.hb-page-with-side-ads .hb-ad-rail{display:block}.hb-ad-rail-inner{gap:var(--ad-slot-gap);flex-direction:column;display:flex;position:sticky;top:12px}.hb-ad-slot{width:100%;min-height:var(--ad-rail-min-slot-height);border:1px dashed var(--panel-border-dark);background:#ececec;border-radius:8px;flex:1 1 0;overflow:hidden}.hb-ad-slot.is-hidden{display:none!important}.hb-ad-slot:empty:before{content:attr(data-ad-label);width:100%;height:100%;min-height:var(--ad-rail-min-slot-height);color:#6b6b6b;letter-spacing:.08em;text-transform:uppercase;text-align:center;justify-content:center;align-items:center;padding:14px;font-size:.84rem;font-weight:700;display:flex}.hb-ad-slot,.hb-ad-slot *{-webkit-user-select:auto!important;user-select:auto!important}.hb-ad-slot iframe,.hb-ad-slot img{width:100%;max-width:100%;display:block}.hb-ad-placeholder{min-height:inherit;color:#f8fbff;background:radial-gradient(circle at top right, #ffffff38, transparent 34%), linear-gradient(180deg, var(--ad-demo-bg-start,#2059d6), var(--ad-demo-bg-end,#0d2347));flex-direction:column;justify-content:space-between;height:100%;padding:14px 12px;display:flex}.hb-ad-placeholder[data-theme=blue]{--ad-demo-bg-start:#2f6bff;--ad-demo-bg-end:#102f68}.hb-ad-placeholder[data-theme=amber]{--ad-demo-bg-start:#f4a024;--ad-demo-bg-end:#6f3811}.hb-ad-placeholder[data-theme=mint]{--ad-demo-bg-start:#18b38d;--ad-demo-bg-end:#114438}.hb-ad-placeholder[data-theme=rose]{--ad-demo-bg-start:#d84d7f;--ad-demo-bg-end:#5d1632}.hb-ad-placeholder[data-theme=slate]{--ad-demo-bg-start:#5d718d;--ad-demo-bg-end:#1d2530}.hb-ad-placeholder-top{flex-direction:column;gap:12px;display:flex}.hb-ad-placeholder-eyebrow{color:#ffffffeb;letter-spacing:.08em;text-transform:uppercase;background:#ffffff2e;border-radius:999px;align-self:flex-start;padding:4px 7px;font-size:.7rem;font-weight:800}.hb-ad-placeholder-headline{letter-spacing:-.03em;text-wrap:balance;font-size:1.15rem;font-weight:800;line-height:1.02}.hb-ad-placeholder-body{color:#f8fbffe6;font-size:.88rem;line-height:1.3}.hb-ad-placeholder-cta{color:#14233d;letter-spacing:.01em;background:#ffffffeb;border-radius:999px;align-self:flex-start;padding:7px 10px;font-size:.8rem;font-weight:800}.hb-ad-mock{--ad-mock-accent:#8ab4ff;isolation:isolate;min-height:inherit;color:#f7fbff;background:#101820;height:100%;animation:.22s ease-out hb-ad-mock-enter;position:relative;overflow:hidden}.hb-ad-mock[data-theme=blue]{--ad-mock-accent:#86adff}.hb-ad-mock[data-theme=amber]{--ad-mock-accent:#f7b341}.hb-ad-mock[data-theme=mint]{--ad-mock-accent:#48d7ad}.hb-ad-mock[data-theme=rose]{--ad-mock-accent:#ef7faa}.hb-ad-mock[data-theme=slate]{--ad-mock-accent:#a9b7cb}.hb-ad-mock-media,.hb-ad-mock-scrim{position:absolute;inset:0}.hb-ad-mock-image{object-fit:cover;width:100%;height:100%;transform:scale(1.015)}.hb-ad-mock-scrim{background:linear-gradient(#080c131f 0% 22%,#080c13b3 72%,#080c13eb 100%),linear-gradient(135deg,#ffffff14,#0000 40%)}.hb-ad-mock-topbar,.hb-ad-mock-content,.hb-ad-mock-badges{z-index:1;position:absolute;left:12px;right:12px}.hb-ad-mock-topbar{justify-content:space-between;align-items:flex-start;gap:8px;display:flex;top:12px}.hb-ad-mock-test-label,.hb-ad-mock-rotation-label{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);letter-spacing:.08em;text-transform:uppercase;background:#080c138a;border:1px solid #ffffff24;border-radius:999px;padding:5px 8px;font-size:.66rem;font-weight:800}.hb-ad-mock-test-label{color:#fff3b8;background:#522a0aad;border-color:#ffd6666b}.hb-ad-mock-rotation-label{color:#f7fbffd9}.hb-ad-mock-content{flex-direction:column;gap:10px;display:flex;bottom:108px}.hb-ad-mock-eyebrow{color:#f7fbfff0;letter-spacing:.08em;text-transform:uppercase;background:#ffffff24;border-radius:999px;align-self:flex-start;padding:4px 7px;font-size:.7rem;font-weight:800}.hb-ad-mock-headline{letter-spacing:-.035em;text-wrap:balance;font-size:1.16rem;font-weight:800;line-height:1.02}.hb-ad-mock-body{color:#f7fbffe0;font-size:.83rem;line-height:1.35}.hb-ad-mock-cta{background:var(--ad-mock-accent);color:#0d1721;letter-spacing:.01em;border-radius:999px;align-self:flex-start;padding:8px 10px;font-size:.79rem;font-weight:800}.hb-ad-mock-badges{grid-template-columns:repeat(auto-fit,minmax(72px,1fr));gap:7px;display:grid;bottom:12px}.hb-ad-mock-badge{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#080c1394;border:1px solid #ffffff24;border-radius:12px;flex-direction:column;gap:2px;min-height:50px;padding:7px 8px;display:flex;box-shadow:inset 0 0 0 1px #ffffff08}.hb-ad-mock-badge-label{letter-spacing:.08em;text-transform:uppercase;color:#f7fbffb8;font-size:.6rem;font-weight:800}.hb-ad-mock-badge-value{color:#fff;font-size:.86rem;font-weight:800;line-height:1.1}@keyframes hb-ad-mock-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.hb-title-row{grid-column:1/-1;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:end;column-gap:12px;margin:0 0 12px;display:grid}.hb-title-spacer{min-width:0}.hb-title{text-align:center;margin:0;font-size:1.5rem;font-weight:700;line-height:1.1}.loaded-state-row{grid-column:1/-1;justify-content:center;margin:-7px 0 8px;transition:filter 90ms ease-out;display:none}.loaded-state-row.visible{display:flex}.loaded-state-name{border:1px solid var(--panel-border-dark);color:#1f1f1f;text-align:center;pointer-events:none;background:#efefef;border-radius:2px;width:auto;min-width:220px;max-width:calc(100vw - 32px);padding:5px 10px;font-size:.98rem;font-weight:600;transition:background-color 90ms ease-out,border-color 90ms ease-out,box-shadow 90ms ease-out}.loaded-state-name.copied-flash{background:#edf5ff;border-color:#2f6fd6;box-shadow:0 0 0 2px #2f6fd66b}.loaded-state-row.copied-flash{filter:drop-shadow(0 0 4px #2f6fd659)}.hb-left{flex-direction:column;gap:10px;display:flex}.hb-image-panel{background:var(--panel-bg);border:1px solid var(--panel-border);padding:4px}.panel-head{flex-wrap:nowrap;align-items:flex-end;gap:8px;margin-bottom:5px;display:flex}.panel-head h2{white-space:nowrap;flex:none;margin:0;font-size:.9rem;font-weight:700;position:relative;top:-2px}.panel-set-label{white-space:nowrap;flex:none;align-items:center;gap:6px;margin-left:auto;font-size:.85rem;font-weight:600;display:flex}.panel-select{border:1px solid var(--panel-border-dark);background:#efefef;width:190px;padding:3px 6px;font-size:.83rem}.image-sets{width:calc(9 * var(--grid-size) + 8 * var(--grid-gap));height:calc(9 * var(--grid-size) + 8 * var(--grid-gap));border:1px solid var(--panel-border-dark);box-sizing:content-box;background:#fff;padding:1px;overflow:hidden}.loading{margin:0;padding:8px;font-family:Consolas,Courier New,monospace;font-size:.86rem}.thumb-grid{grid-template-columns:repeat(9, var(--grid-size));grid-template-rows:repeat(9, var(--grid-size));gap:var(--grid-gap);background:#fff;display:grid}.thumb-link,.thumb-slot{width:var(--grid-size);height:var(--grid-size)}.thumb-link{appearance:none;box-shadow:none;cursor:pointer;background:#fff;border:1px solid #9a9a9a;outline:none;margin:0;padding:0;display:block}.thumb-link img{object-fit:contain;-webkit-user-drag:none;width:100%;height:100%;display:block}.thumb-link.selected{border:3.5px solid #ff6a00;box-shadow:inset 0 0 8px 2px #ffffffbf}.thumb-link:focus,.thumb-link:focus-visible,.thumb-link:active{outline:none}.thumb-slot{background:#fff;border:1px solid #9a9a9a}.hb-left-buttons{grid-template-columns:1fr 1fr;gap:8px 12px;display:grid}.hb-left-buttons .dev-only-tooltip-wrap{width:100%;display:block}.hb-left-buttons .dev-only-tooltip-wrap>button{width:100%}.hb-left-buttons .dev-only-tooltip-wrap>button:disabled{pointer-events:none}.hb-left-buttons button{background:var(--button-bg);border:1px solid var(--button-border);color:var(--button-text);cursor:pointer;border-radius:10px;padding:6px 10px;font-size:1.05rem;font-weight:700}.hb-left-buttons .target-btn{grid-column:2}.hb-center{flex-direction:column;gap:7px;min-width:0;display:flex}.hb-top{grid-template-columns:170px minmax(380px,1fr);grid-template-areas:"side cube";align-items:stretch;gap:8px;display:grid}.hb-top-side{flex-direction:column;grid-area:side;min-width:0;display:flex}.panel-group{border:none;min-width:0;margin:0;padding:0}.panel-group legend{white-space:nowrap;background:#c8c8c8;margin-bottom:8px;padding:0 5px;font-size:1.28rem;font-weight:700;line-height:1.1;display:inline-block}.panel-group label{white-space:nowrap;align-items:center;gap:8px;margin-bottom:6px;font-size:1.02rem;font-weight:600;display:flex}.panel-group input[type=radio]{width:18px;height:18px;margin:0}.design-group legend{font-size:1.16rem}.color-group{margin-top:24px}.color-group h3{background:#c8c8c8;margin:0 0 8px;padding:0 5px;font-size:1.14rem;font-weight:700;display:inline-block}.cube-panel{border:1px solid var(--panel-border);background:#dedede;grid-area:cube;min-height:450px;padding:10px}.step-solve-panel{align-items:center;gap:6px;width:min(100%,320px);display:flex}.step-solve-panel button{border:1px solid var(--button-gray-border);background:var(--button-gray);min-width:0;color:var(--button-gray-text);text-align:center;cursor:pointer;border-radius:12px;flex:1 1 0;padding:6px 0;font-size:1.26rem;font-weight:700;transition:border-color 90ms ease-out,background-color 90ms ease-out,box-shadow 90ms ease-out}.step-solve-panel button:hover:not(:disabled){box-shadow:0 0 0 2px #209f2a6b}.step-solve-panel button:active:not(:disabled),.step-solve-panel button.is-pressed{border-color:var(--button-border-pressed);background:var(--button-bg-pressed);color:var(--button-text-pressed);filter:none}.step-solve-panel button.active-action{border-color:var(--button-border);background:var(--button-bg);color:var(--button-text)}.step-solve-panel button:disabled{opacity:.55;cursor:default;filter:none}.viewer3d{touch-action:none;cursor:grab;background:#dedede;width:100%;height:430px}.viewer3d:active{cursor:grabbing}.viewer3d:focus,.viewer3d:focus-visible{outline:none}.viewer3d canvas{width:100%;height:100%;display:block}.moves-strip{align-items:center;gap:12px;min-height:40px;font-size:1rem;font-weight:700;display:flex;position:relative}.moves-strip .qt{background:#cecece;padding:2px 6px;display:inline-block}.moves-strip-main{pointer-events:none;justify-content:center;display:flex;position:absolute;top:50%;left:178px;right:0;transform:translateY(-50%)}.moves-strip .step-solve-panel{pointer-events:auto}.moves-box{border:1px solid var(--panel-border-dark);letter-spacing:-.01em;word-spacing:-.1em;font-kerning:normal;text-rendering:optimizelegibility;white-space:pre-wrap;word-break:break-word;-webkit-user-select:none;user-select:none;background:#d8d8d8;height:130px;padding:8px;font-family:Consolas,Courier New,monospace;font-size:1.12rem;font-weight:700;line-height:1.14;transition:background-color 90ms ease-out,border-color 90ms ease-out,box-shadow 90ms ease-out;overflow:auto}.moves-box:focus{border-color:#2f6fd6;outline:none;box-shadow:0 0 0 2px #2f6fd657}.moves-box.copied-flash{background:#edf5ff;border-color:#2f6fd6;box-shadow:0 0 0 2px #2f6fd66b}.instructions{border:1px solid var(--panel-border);margin-left:calc(-1 * (var(--left-col-width) + var(--main-col-gap)));width:max-content;max-width:calc(var(--left-col-width) + var(--center-col-width));-webkit-user-select:text;user-select:text;background:#d0d0d0;padding:8px 10px;transition:background-color 90ms ease-out,border-color 90ms ease-out,box-shadow 90ms ease-out}.instructions,.instructions *{-webkit-user-select:text;user-select:text}.instructions ul{margin:0;padding-left:1.1em}.instructions li{margin:0 0 5px;font-size:1.06rem;font-weight:600;line-height:1.2}.instructions .instr-cont{padding-left:1.15em;display:block}.instructions li:last-child{margin-bottom:0}.instructions.copied-flash{background:#edf5ff;border-color:#2f6fd6;box-shadow:0 0 0 2px #2f6fd66b}.verbose-log-panel{border:1px solid var(--panel-border);margin-left:calc(-1 * (var(--left-col-width) + var(--main-col-gap)));width:auto;max-width:calc(var(--left-col-width) + var(--center-col-width) + var(--right-col-width) + (2 * var(--main-col-gap)));background:#d0d0d0;max-height:clamp(180px,32vh,320px);padding:8px 10px;display:none;position:relative;overflow:hidden}.verbose-log-panel.visible{flex-direction:column;display:flex}.verbose-log-head{justify-content:space-between;align-items:center;gap:10px;margin:0 10px 6px 0;display:flex}.verbose-log-title{background:#c8c8c8;margin:0;padding:0 5px;font-size:1rem;font-weight:700;line-height:1.1;display:inline-block}.verbose-log-clear{color:#1f1f1f;cursor:pointer;background:#e3e3e3;border:1px solid #9e9e9e;border-radius:9px;justify-content:center;align-items:center;min-width:86px;height:24px;margin:0;padding:0 10px;font-size:.82rem;font-weight:700;line-height:1;display:inline-flex}.verbose-log-clear:hover{background:#ececec}.verbose-log-clear:active{background:#d7d7d7}.verbose-log-body{border:1px solid var(--panel-border-dark);color:#1a1a1a;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;-webkit-user-select:text;user-select:text;background:#efefef;flex:auto;min-height:0;margin:0;padding:6px 8px;font-family:Consolas,Courier New,monospace;font-size:.83rem;line-height:1.28;transition:background-color 90ms ease-out,border-color 90ms ease-out,box-shadow 90ms ease-out;overflow:hidden auto}.verbose-log-body.copied-flash{background:#edf5ff;border-color:#2f6fd6;box-shadow:0 0 0 2px #2f6fd66b}.verbose-log-resize-handle{cursor:ew-resize;touch-action:none;width:10px;height:100%;position:absolute;top:0;right:0}.verbose-log-resize-handle-bottom{cursor:ns-resize;touch-action:none;height:10px;position:absolute;bottom:0;left:0;right:10px}.status{display:none}.build-stamp{color:#4d4d4d;text-align:right;white-space:nowrap;opacity:.9;margin:0;font-family:Consolas,Courier New,monospace;font-size:.74rem;line-height:1.2}.algo-progress-backdrop{z-index:2100;pointer-events:none;background:0 0;display:none;position:fixed;inset:0}.algo-progress-backdrop.open{display:block}.algo-progress-dialog{box-sizing:border-box;color:#f2f2f2;pointer-events:auto;background:#3f3f3f;border:2px solid #bdbdbd;flex-direction:column;width:520px;min-width:240px;max-width:calc(100vw - 16px);max-height:calc(100vh - 16px);padding:10px 12px 6px;transition:border-color 90ms ease-out,box-shadow 90ms ease-out;display:flex;position:fixed;top:0;left:0;overflow:hidden;box-shadow:0 8px 20px #00000059}.algo-progress-dialog.copied-flash{border-color:#3d82f0;box-shadow:0 0 0 3px #3d82f08c,0 8px 20px #00000059}.algo-progress-title{margin-bottom:6px;font-size:1.04rem;font-weight:700;line-height:1.2}.algo-progress-message{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;flex:auto;min-height:0;margin:0 10px 6px 0;padding-right:5px;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:.98rem;line-height:1.25;overflow:hidden auto}.algo-progress-resize-handle{cursor:ew-resize;touch-action:none;width:10px;height:100%;position:absolute;top:0;right:0}.algo-progress-resize-handle-left{left:0;right:auto}.algo-progress-resize-handle-bottom{cursor:ns-resize;touch-action:none;height:10px;position:absolute;bottom:0;left:10px;right:10px}.algo-progress-bar-track{background:#ececec;border:1px solid #949494;width:100%;height:16px;margin-top:14px;overflow:hidden}.algo-progress-bar-fill{background:linear-gradient(90deg,#39d13f,#2ca433);width:0%;height:100%;transition:width .12s linear}.algo-progress-percent{text-align:right;color:#ededed;margin-top:4px;font-size:.92rem;font-weight:700}.algo-progress-dialog-actions{justify-content:center;gap:10px;margin-top:5px;display:flex}.algo-progress-dialog-actions button{color:#3a3a3a;cursor:pointer;background:#d0d0d0;border:1px solid #8d8d8d;min-width:120px;padding:3px 12px;font-size:1.02rem}.algo-progress-dialog-actions button.is-default-action{color:#123a66;background:#dcecff;border-color:#2f6fb2;font-weight:700;box-shadow:0 0 0 2px #2f6fb238}.algo-progress-dialog-actions button:active:not(:disabled),.algo-progress-dialog-actions button.is-pressed{background:var(--button-bg-pressed);border-color:var(--button-border-pressed);color:var(--button-text-pressed);filter:none}.algo-progress-dialog-actions button:disabled{opacity:.55;cursor:default}.hotkeys-backdrop{z-index:2000;background:0 0;display:none;position:fixed;inset:0}.hotkeys-backdrop.open{display:block}.hotkeys-dialog{background:#3f3f3f;border:2px solid #bdbdbd;flex-direction:column;width:720px;min-width:0;height:420px;padding:0;display:flex;position:absolute;top:0;left:0;box-shadow:0 8px 20px #00000059}.hotkeys-dialog.copied-flash{border-color:#3d82f0;box-shadow:0 0 0 3px #3d82f08c,0 8px 20px #00000059}.hotkeys-dialog-body{color:#f0f0f0;white-space:pre-wrap;word-break:normal;-webkit-user-select:text;user-select:text;background:0 0;border:none;flex:auto;margin:0 10px 0 0;padding:8px 14px 10px;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:1.04rem;line-height:1.28;overflow:hidden auto}.hotkeys-line{white-space:pre-wrap;word-break:normal;overflow-wrap:anywhere;min-height:0;line-height:1.28;display:block}.hotkeys-line-separator{line-height:.6784}.hotkeys-line-title-gap{line-height:.42}.hotkeys-resize-handle{cursor:ew-resize;touch-action:none;width:10px;height:100%;position:absolute;top:0;right:0}.hotkeys-dialog-actions{justify-content:center;padding:0 0 14px;display:flex}.hotkeys-dialog-actions button{color:#3a3a3a;cursor:pointer;background:#d0d0d0;border:1px solid #8d8d8d;min-width:62px;padding:4px 14px;font-size:1.02rem}.hotkeys-dialog-actions button:active:not(:disabled),.hotkeys-dialog-actions button.is-pressed{background:var(--button-bg-pressed);border-color:var(--button-border-pressed);color:var(--button-text-pressed);filter:none}.info-backdrop{z-index:2150;background:0 0;display:none;position:fixed;inset:0}.info-backdrop.open{display:block}.info-dialog{color:#f0f0f0;background:#3f3f3f;border:2px solid #bdbdbd;flex-direction:column;width:360px;min-width:220px;max-width:calc(100vw - 16px);max-height:calc(100vh - 16px);padding:13px 14px 16px;display:flex;position:fixed;top:0;left:0;overflow:hidden;box-shadow:0 8px 20px #00000059}.info-dialog-body{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;-webkit-user-select:text;user-select:text;flex:auto;margin:0;padding-bottom:4px;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:1.03rem;line-height:1.25;overflow:hidden auto}.info-dialog.copied-flash{border-color:#3d82f0;box-shadow:0 0 0 3px #3d82f08c,0 8px 20px #00000059}.info-dialog-actions{justify-content:center;margin-top:16px;display:flex}.info-dialog-actions button{color:#3a3a3a;cursor:pointer;background:#d0d0d0;border:1px solid #8d8d8d;min-width:62px;padding:4px 14px;font-size:1.02rem}.info-dialog-actions button:active:not(:disabled),.info-dialog-actions button.is-pressed{background:var(--button-bg-pressed);border-color:var(--button-border-pressed);color:var(--button-text-pressed);filter:none}.hotkey-toast{color:#f0f0f0;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;pointer-events:none;opacity:0;z-index:2300;background:#3f3f3f;border:2px solid #bdbdbd;min-width:220px;max-width:calc(100vw - 16px);padding:10px 12px;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:1.03rem;line-height:1.22;transition:opacity .14s,transform .14s;position:fixed;top:0;left:0;transform:translateY(-6px);box-shadow:0 8px 20px #00000059}.hotkey-toast.open{opacity:1;transform:translateY(0)}.target-picker-backdrop{z-index:2140;background:0 0;display:none;position:fixed;inset:0}.target-picker-backdrop.open{display:block}.target-picker-dialog{color:#f0f0f0;background:#3f3f3f;border:2px solid #bdbdbd;flex-direction:column;width:440px;min-width:320px;max-width:calc(100vw - 16px);max-height:calc(100vh - 16px);padding:15px 14px 20px;display:flex;position:fixed;top:0;left:0;overflow:hidden;box-shadow:0 8px 20px #00000059}.target-picker-dialog.copied-flash{border-color:#3d82f0;box-shadow:0 0 0 3px #3d82f08c,0 8px 20px #00000059}.target-picker-header{-webkit-user-select:text;user-select:text;margin:0 0 8px;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:1.08rem;font-weight:700;line-height:1.2}.target-picker-instructions{white-space:pre-wrap;-webkit-user-select:text;user-select:text;margin:0 0 12px;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:1.01rem;line-height:1.3}.target-picker-form{flex-direction:column;flex:auto;gap:8px;margin:0;padding-bottom:8px;display:flex;overflow:hidden auto}.target-picker-option{cursor:pointer;-webkit-user-select:text;user-select:text;align-items:flex-start;gap:8px;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:1.03rem;line-height:1.3;display:flex}.target-picker-option input[type=radio]{flex-shrink:0;width:18px;height:18px;margin:0}.target-picker-option-text{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}.target-picker-note{white-space:pre-wrap;-webkit-user-select:text;user-select:text;margin:8px 0 0;font-family:Segoe UI,Tahoma,Arial,sans-serif;font-size:1.01rem;line-height:1.3}.target-picker-note:empty{display:none}.target-picker-actions{justify-content:center;margin-top:22px;display:flex}.target-picker-actions button{color:#3a3a3a;cursor:pointer;background:#d0d0d0;border:1px solid #8d8d8d;min-width:62px;padding:4px 14px;font-size:1.02rem}.target-picker-actions button:active:not(:disabled),.target-picker-actions button.is-pressed,.hb-left-buttons button:active:not(:disabled),.hb-left-buttons button.is-pressed{background:var(--button-bg-pressed);border-color:var(--button-border-pressed);color:var(--button-text-pressed);filter:none}.hb-left-buttons button:disabled{border-color:var(--button-gray-border);background:var(--button-gray);color:var(--button-gray-text);opacity:.55;cursor:default;filter:none}.hb-left-buttons button:disabled:hover{filter:none}.hb-right{flex-direction:column;gap:8px;display:flex}.hb-right .panel-group legend{font-size:1.2rem}.hb-right .panel-group label{margin-bottom:7px;font-size:1rem}.hb-right button{border:1px solid var(--button-gray-border);background:var(--button-gray);color:var(--button-gray-text);text-align:center;cursor:pointer;border-radius:12px;padding:6px 8px;font-size:.96rem;font-weight:700}.hb-right button:active:not(:disabled),.hb-right button.is-pressed,.hb-right button.solve-latched{border-color:var(--button-border-pressed);background:var(--button-bg-pressed);color:var(--button-text-pressed);filter:none}.hb-right button.needs-default-view,.hb-right button.active-action{border-color:var(--button-border);background:var(--button-bg);color:var(--button-text)}.hb-right button:disabled{opacity:.55;cursor:default;filter:none}.hb-right button.solve-latched:disabled{opacity:1}.hb-right button.needs-default-view:active:not(:disabled),.hb-right button.needs-default-view.is-pressed,.hb-right button.active-action:active:not(:disabled),.hb-right button.active-action.is-pressed,.hb-right button:active:not(:disabled),.hb-right button.is-pressed{border-color:var(--button-border-pressed);background:var(--button-bg-pressed);color:var(--button-text-pressed);filter:none}.speed-toggle{align-items:center;gap:8px;padding:2px 0;font-size:.96rem;font-weight:700;display:flex}.speed-toggle input{width:18px;height:18px}button:hover{filter:brightness(1.03)}@media (width<=1600px){:root{--grid-size:42px}.panel-group legend,.color-group h3,.hb-right .panel-group legend{font-size:1.12rem}.panel-group label{font-size:.96rem}.hb-right .panel-group label{font-size:.94rem}.hb-right button,.speed-toggle,.moves-strip{font-size:1rem}.instructions li{font-size:.96rem}}@media (width<=1220px){.hb-page{grid-template-columns:1fr}.hb-ad-rail{display:none!important}.hb-window{grid-template-columns:1fr;width:auto;min-width:0;max-width:100%}.hb-left-buttons{grid-template-columns:1fr 1fr}.hb-left-buttons .target-btn{grid-column:auto}.hb-top{grid-template-columns:1fr;grid-template-areas:"side""cube"}.hb-top-side{display:block}.cube-panel{min-height:auto}.moves-strip{flex-direction:column;align-items:flex-start;gap:8px;min-height:0;display:flex}.moves-strip-main{pointer-events:auto;justify-content:center;width:100%;position:static;top:auto;left:auto;right:auto;transform:none}.step-solve-panel{width:min(100%,320px)}.viewer3d{height:360px}.hb-right{grid-template-columns:1fr 1fr;gap:8px;display:grid}.hb-right .panel-group{grid-column:1/-1}.hb-right button,.speed-toggle{font-size:.88rem}.hotkeys-dialog{min-width:0}.instructions,.verbose-log-panel{width:auto;max-width:100%;margin-left:0}.verbose-log-resize-handle,.verbose-log-resize-handle-bottom{display:none}}