#splash{z-index:1000;pointer-events:none;background:radial-gradient(80% 50% at 85% -5%,#6d3fc94d,#0000),radial-gradient(70% 45% at 0 105%,#4b4fc43d,#0000),linear-gradient(#120c22,#07060d 75%);transition:opacity .3s ease-out;position:fixed;inset:0;overflow:hidden}#splash[data-done]{opacity:0}.splash-stars{block-size:100%;inline-size:100%;position:absolute;inset:0}.splash-moon{fill:#f4e9c8;filter:drop-shadow(0 0 16px #f4e9c88c);block-size:52px;inline-size:52px;position:absolute;inset-block-start:12px;inset-inline-end:12px}.splash-logo{block-size:150px;inline-size:150px;margin:auto;position:absolute;inset:0}@media (width>=768px){.splash-moon{block-size:84px;inline-size:84px;inset-block-start:72px;inset-inline-end:max(22px,50vw - 520px)}}@media (prefers-reduced-motion:reduce){#splash{transition:none}}._page_1i28j_1{max-width:60rem;padding:var(--space-4);margin:0 auto}._page_1i28j_1 h1{outline:none}._title_1i28j_11{flex-wrap:wrap;align-items:center;gap:.35em;display:flex}._header_1i28j_23{z-index:5;justify-content:space-between;align-items:center;gap:var(--space-2) var(--space-4);padding-block:var(--space-2);clip-path:inset(0 -100vmax);flex-wrap:wrap;margin-block-start:calc(-1 * var(--space-2));display:flex;position:sticky;inset-block-start:0}._header_1i28j_23[data-stuck]:after{content:"";border-image:linear-gradient(var(--border), var(--border)) fill 0 / 0 / 0 100vmax;block-size:1px;position:absolute;inset-block-end:0;inset-inline:0}html:has(._header_1i28j_23){scroll-padding-block-start:7.5rem}._brand_1i28j_51{margin:0;font-size:2rem}._meta_1i28j_56{color:var(--text-muted);font-size:.875rem}._card_1i28j_63,._level_1i28j_64,._langCard_1i28j_65{border:1px solid color-mix(in srgb, var(--accent) 35%, var(--border));border-radius:var(--radius-2);background:color-mix(in srgb, var(--surface) 88%, transparent);transition:border-color var(--motion), transform var(--motion), box-shadow var(--motion);position:relative}._card_1i28j_63{margin-block:var(--space-4);padding:var(--space-4)}._card_1i28j_63 h2{margin:0}[data-link]:hover{border-color:var(--accent);box-shadow:0 8px 24px color-mix(in srgb, var(--accent-strong) 25%, transparent);transform:translateY(-2px)}[data-link]:has(:focus-visible){border-color:var(--focus)}._cardHead_1i28j_95{align-items:center;gap:var(--space-3);display:flex}._cardHead_1i28j_95>:first-child{font-size:1.5rem}._cardHead_1i28j_95 h3{margin:0}._badge_1i28j_109{background:color-mix(in srgb, var(--accent) 18%, transparent);border-radius:50%;flex:none;place-items:center;block-size:2.75rem;inline-size:2.75rem;display:grid}._progress_1i28j_119{background:var(--surface-2);border-radius:999px;block-size:.375rem;display:block;overflow:hidden}._progress_1i28j_119>span{border-radius:inherit;background:var(--gradient);block-size:100%;display:block}._langCard_1i28j_65{align-items:center;gap:var(--space-4);padding:var(--space-4);display:flex}._langCard_1i28j_65[data-current]{border-color:var(--accent)}._langCard_1i28j_65 ._langLogo_1i28j_145{border-radius:.375rem;block-size:2.5rem;inline-size:2.5rem}._current_1i28j_151{font-weight:400}._footer_1i28j_156{margin-block-start:var(--space-6);padding-block-end:env(safe-area-inset-bottom)}._levels_1i28j_161{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(16.25rem,1fr));padding:0;list-style:none;display:grid}._level_1i28j_64{align-content:start;gap:var(--space-2);padding:var(--space-4);display:grid}._level_1i28j_64 p,._level_1i28j_64 h3{margin:0}._level_1i28j_64[aria-disabled=true]{opacity:.6}._soon_1i28j_188{color:var(--warn);font-weight:600}._module_1i28j_193{margin-block:var(--space-6)}._module_1i28j_193 h2{margin-block-end:0}._path_1i28j_202{margin-block-start:var(--space-3);position:relative}._trail_1i28j_207{pointer-events:none;position:absolute;inset-block-start:0;inset-inline-start:0}._trail_1i28j_207 polyline{fill:none;stroke:var(--border);stroke-width:.2px;stroke-dasharray:.35 .45;stroke-linecap:round}._phases_1i28j_222{margin:0;padding:0;list-style:none;position:relative}._pathNode_1i28j_229{align-items:center;gap:var(--space-3);block-size:4.5rem;padding-inline-start:calc(var(--x,0) * 2.5rem);display:flex}._node_1i28j_238{border:2px solid var(--border);background:var(--surface);block-size:3rem;inline-size:3rem;color:inherit;transition:transform var(--motion);border-radius:50%;outline:none;flex:none;place-items:center;font-size:1.25rem;display:grid}a._node_1i28j_238{cursor:pointer;position:relative}a._node_1i28j_238:before{inset:calc(min(0px, (3rem - var(--touch)) / 2) - 2px);content:"";border-radius:50%;position:absolute}a._node_1i28j_238[data-hovered]{transform:scale(1.08)}a._node_1i28j_238[data-pressed]{transform:scale(.96)}a._node_1i28j_238[data-focus-visible]{outline:3px solid var(--focus);outline-offset:3px}._nodeText_1i28j_279{min-inline-size:0;display:grid}._nodeTitle_1i28j_284{-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}._pathNode_1i28j_229[data-state=locked]{color:var(--text-muted)}._pathNode_1i28j_229[data-state=available] ._node_1i28j_238{background:var(--gradient);box-shadow:0 4px 14px color-mix(in srgb, var(--accent-strong) 40%, transparent);color:var(--on-accent);border-color:#0000}._pathNode_1i28j_229[data-state=review] ._node_1i28j_238{border-color:var(--accent);color:var(--accent)}._pathNode_1i28j_229[data-state=solved] ._node_1i28j_238{border-color:var(--ok);color:var(--ok)}._pathNode_1i28j_229[data-state=skipped] ._node_1i28j_238{border-color:var(--warn);color:var(--warn)}._steps_1i28j_318{padding-inline-start:var(--space-6)}._steps_1i28j_318 li[data-done=true]{color:var(--text-muted);text-decoration:line-through}._settings_1i28j_328{gap:var(--space-3);margin-block:var(--space-6);display:grid}._settings_1i28j_328 h2{margin:0}._settings_1i28j_328[data-guide]{padding:var(--space-4);border:1.5px solid var(--accent);border-radius:var(--radius-2);background:color-mix(in srgb, var(--accent) 10%, var(--surface));scroll-margin-block-start:var(--space-4)}._settings_1i28j_328 h2[tabindex]{outline:none}._guide_1i28j_351 p,._guide_1i28j_351 ol{margin:0}._guide_1i28j_351 ol{gap:var(--space-1);margin-block:var(--space-1);padding-inline-start:var(--space-6);font-weight:600;display:grid}._label_1i28j_364{font-weight:600}._row_1i28j_368{gap:var(--space-4);flex-wrap:wrap;display:flex}._field_1i28j_374{gap:var(--space-1);justify-items:start;display:grid}._field_1i28j_374 input{min-block-size:var(--touch);padding-inline:var(--space-3);border:1.5px solid var(--border);border-radius:var(--radius-1);background:var(--surface-2);color:var(--text);font:inherit}._radioGroup_1i28j_390{gap:var(--space-2);display:grid}._radios_1i28j_395{gap:var(--space-2);flex-wrap:wrap;display:flex}._radio_1i28j_390{min-block-size:var(--touch);padding-inline:var(--space-4);border:1.5px solid var(--border);border-radius:var(--radius-1);background:var(--surface-2);cursor:pointer;align-items:center;display:inline-flex}._radio_1i28j_390[data-selected]{background:var(--gradient);color:var(--on-accent);border-color:#0000;font-weight:600}._radio_1i28j_390[data-focus-visible],._switch_1i28j_420[data-focus-visible] ._track_1i28j_420{outline:3px solid var(--focus);outline-offset:2px}._switch_1i28j_420{align-items:center;gap:var(--space-3);min-block-size:var(--touch);cursor:pointer;display:flex}._track_1i28j_420{border:1.5px solid var(--border);background:var(--surface-2);block-size:1.5rem;inline-size:2.75rem;transition:background var(--motion);border-radius:999px;flex:none;position:relative}._track_1i28j_420:after{background:var(--text-muted);content:"";block-size:1rem;inline-size:1rem;transition:transform var(--motion);border-radius:50%;position:absolute;inset-block-start:.125rem;inset-inline-start:.125rem}._switch_1i28j_420[data-selected] ._track_1i28j_420{border-color:var(--accent);background:var(--accent)}._switch_1i28j_420[data-selected] ._track_1i28j_420:after{background:var(--bg);transform:translate(1.25rem)}._licenses_1i28j_466{padding-inline-start:var(--space-6)}._banner_1i28j_471{align-items:center;gap:var(--space-2) var(--space-4);max-width:60rem;padding:var(--space-3) var(--space-4);border-block-end:1px solid var(--accent);background:var(--surface);flex-wrap:wrap;margin:0 auto;display:flex}._banner_1i28j_471 p{margin:0}._share_1i28j_487{margin-block:var(--space-4)}._shareText_1i28j_491{padding:var(--space-3);border-radius:var(--radius-2);background:var(--surface);font-family:var(--font-code);white-space:pre-wrap}._nav_1i28j_499{gap:var(--space-2);flex-wrap:wrap;display:flex}._actions_1i28j_505,._choices_1i28j_506{gap:var(--space-2);margin:var(--space-3) 0 0;flex-wrap:wrap;padding:0;list-style:none;display:flex}._cardHead_1i28j_95 h3>a{min-block-size:0;font:inherit;padding:0}._sky_11fix_1{z-index:-1;background:radial-gradient(ellipse 80% 50% at 85% -5%, color-mix(in srgb, var(--accent-strong) 30%, transparent), transparent), radial-gradient(ellipse 70% 45% at 0% 105%, color-mix(in srgb, var(--accent-strong-2) 24%, transparent), transparent), linear-gradient(180deg, var(--bg-2), var(--bg) 75%);pointer-events:none;position:fixed;inset:0;overflow:hidden}._star_11fix_21{inline-size:var(--size);block-size:var(--size);background:var(--star);box-shadow:0 0 calc(var(--size) * 3) color-mix(in srgb, var(--star) 70%, transparent);opacity:var(--glow);border-radius:50%;position:absolute}._moon_11fix_33{block-size:52px;inline-size:52px;fill:var(--moon);filter:drop-shadow(0 0 16px color-mix(in srgb, var(--moon) 55%, transparent));position:absolute;inset-block-start:12px;inset-inline-end:12px}html:has(main[data-phase]) ._sky_11fix_1{display:none}:root[data-theme=light] ._star_11fix_21{opacity:calc(var(--glow) * .45);box-shadow:none}@media (width>=768px){._moon_11fix_33{block-size:84px;inline-size:84px;inset-block-start:72px;inset-inline-end:max(22px,50vw - 520px)}}._name_3ze3w_1{align-items:center;gap:.35em;display:inline-flex}._logo_3ze3w_7{flex:none;block-size:1.35em;inline-size:1.35em}._text_3ze3w_13{background:var(--brand-text);color:#0000;letter-spacing:-.01em;-webkit-background-clip:text;background-clip:text;font-weight:800}._bar_3ze3w_23{align-items:center;gap:var(--space-2);min-block-size:var(--touch);grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);justify-self:stretch;font-size:.8125rem;display:grid}._start_3ze3w_33{justify-content:flex-start;min-inline-size:0;display:flex;container-type:inline-size}._end_3ze3w_40{justify-content:flex-end;align-items:center;gap:var(--space-1);min-inline-size:0;display:flex;position:relative}._home_3ze3w_49{min-block-size:2rem;padding-inline:var(--space-1);border-radius:var(--radius-1);white-space:nowrap;outline:none;align-items:center;font-size:1.125rem;text-decoration:none;display:inline-flex}._home_3ze3w_49[data-focus-visible]{outline:3px solid var(--focus);outline-offset:2px}._lang_3ze3w_66{border:1px solid var(--border);background:color-mix(in srgb, var(--surface) 80%, transparent);min-inline-size:0;color:var(--text-muted);white-space:nowrap;border-radius:999px;align-items:center;gap:.4em;padding:.125rem .625rem;font-weight:600;display:inline-flex}@container (width<=6.5rem){._lang_3ze3w_66{padding-inline:.375rem}._langName_3ze3w_86{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}}._code_zdx68_2{--box-h:1.875rem;--box-min:1.5rem;--box-max:2.5rem;--gap:.1875rem;--row-gap:.25rem;--row-h:calc(var(--box-h) + var(--row-gap));--text-row:1.25rem;--gutter:2.25rem;font-family:var(--font-code);font-size:.875rem;line-height:1.4}._file_zdx68_16{border:1px solid var(--ide-border);border-radius:var(--radius-2);background:var(--ide-bg);overflow:hidden;box-shadow:0 12px 32px #00000059}._file_zdx68_16+._file_zdx68_16{margin-block-start:var(--space-4)}._tabBar_zdx68_28{align-items:flex-end;gap:var(--space-3);border-block-end:1px solid var(--ide-border);background:var(--ide-tab);padding:.5rem .75rem 0;display:flex}._dots_zdx68_37{align-self:center;gap:.375rem;padding-block-end:.375rem;display:flex}._dots_zdx68_37 span{background:#ff5f57;border-radius:50%;block-size:.625rem;inline-size:.625rem}._dots_zdx68_37 span:nth-child(2){background:#febc2e}._dots_zdx68_37 span:nth-child(3){background:#28c840}._tab_zdx68_28{border:1px solid var(--ide-border);background:var(--ide-bg);box-shadow:inset 0 2px 0 var(--accent);color:var(--ide-text);font-family:var(--font-ui);border-block-end:none;border-radius:.5rem .5rem 0 0;align-items:center;gap:.375rem;margin:0 0 -1px;padding:.375rem .75rem;font-size:.8125rem;font-weight:600;display:inline-flex}._lines_zdx68_76{margin:0;padding:.625rem 0 .5rem;list-style:none}._line_zdx68_76{grid-template-columns:var(--gutter) minmax(0, 1fr);align-items:start;padding-inline-end:.625rem;display:grid}._number_zdx68_89{block-size:var(--box-h);border-inline-end:1px solid var(--ide-line);color:var(--ide-number);-webkit-user-select:none;user-select:none;justify-content:flex-end;align-items:center;margin-inline-end:.625rem;padding-inline-end:.5rem;font-size:.75rem;display:flex}._line_zdx68_76[data-kind=comment] ._number_zdx68_89,._line_zdx68_76[data-kind=given] ._number_zdx68_89{block-size:auto;line-height:var(--text-row);align-self:stretch;align-items:flex-start;padding-block:.25rem}._comment_zdx68_112{color:var(--ide-comment);font-size:.8125rem;font-style:italic;line-height:var(--text-row);white-space:pre-wrap;overflow-wrap:anywhere;padding-block:.25rem;display:block;position:relative}._row_zdx68_124{white-space:pre;display:block}._probe_zdx68_129{visibility:hidden;white-space:pre;pointer-events:none;position:absolute;inset-block-start:0;inset-inline-start:0}._srOnly_zdx68_138{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}._given_zdx68_147{color:var(--ide-text);line-height:var(--text-row);text-indent:-2ch;white-space:pre-wrap;overflow-wrap:anywhere;padding-block:.25rem;padding-inline-start:2ch;display:block}._trailing_zdx68_158{color:var(--ide-comment);white-space:pre-wrap;font-size:.8125rem;font-style:italic}._body_zdx68_167{align-items:center;gap:var(--row-gap) var(--gap);flex-wrap:wrap;padding-block-end:var(--row-gap);padding-inline-start:2ch;display:flex;position:relative}._body_zdx68_167>:first-child,._line_zdx68_76:not([data-complete]) ._body_zdx68_167>._glue_zdx68_178:first-child>:first-child{margin-inline-start:-2ch}._body_zdx68_167:before{content:"";inset-inline-start:0;inset-block:var(--row-h) 0;background:var(--ide-number);inline-size:1.6ch;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 3v5h9'/%3E%3Cpath d='M9.5 5.5 12 8l-2.5 2.5'/%3E%3C/svg%3E") 0 0 / 1.6ch var(--row-h) repeat-y;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 3v5h9'/%3E%3Cpath d='M9.5 5.5 12 8l-2.5 2.5'/%3E%3C/svg%3E") 0 0 / 1.6ch var(--row-h) repeat-y;pointer-events:none;position:absolute}._line_zdx68_76[data-complete] ._body_zdx68_167{font-size:calc(var(--fit,1) * 1em);column-gap:0}._glue_zdx68_178{display:contents}._line_zdx68_76[data-complete] ._glue_zdx68_178{align-items:center;row-gap:var(--row-gap);flex-wrap:wrap;flex:none;max-inline-size:100%;display:inline-flex}._body_zdx68_167[data-measure],._body_zdx68_167[data-measure] ._glue_zdx68_178{flex-wrap:nowrap;max-inline-size:none}._body_zdx68_167[data-measure] ._trailing_zdx68_158{display:none}._indent_zdx68_226{white-space:pre}._slot_zdx68_233{inline-size:clamp(var(--box-min), calc((100% + 2ch - var(--indent) - (var(--n) - 1) * var(--gap) - 1px) / var(--n)), var(--box-max));block-size:var(--box-h);background:var(--ide-tab);color:var(--token-color,var(--ide-text));font:inherit;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;border:1.5px dashed #6b6f78;border-radius:.375rem;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}._slot_zdx68_233[data-filled]{background:var(--ide-bg);cursor:grab;touch-action:none;border-style:solid;border-color:#666a72;inline-size:auto;min-inline-size:1.5rem;padding-inline:.4ch}._slot_zdx68_233[data-category=comment]{font-style:italic}._text_zdx68_272{white-space:pre}._line_zdx68_76[data-complete] ._slot_zdx68_233{background:0 0;border-color:#0000;inline-size:auto;min-inline-size:0;padding-inline:0}._line_zdx68_76[data-complete] ._slot_zdx68_233[data-error]{border-color:var(--ide-error)}._line_zdx68_76[data-complete] ._slot_zdx68_233[data-category=indent]{inline-size:4ch}._slot_zdx68_233[data-target]{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, var(--ide-tab))}._slot_zdx68_233[data-over]{border-style:solid;border-color:var(--accent);background:color-mix(in srgb, var(--accent) 32%, var(--ide-tab))}._slot_zdx68_233[data-selected]{outline:2px solid var(--accent);outline-offset:1px}._slot_zdx68_233[data-revealed] ._text_zdx68_272{-webkit-text-decoration:underline dotted var(--ide-ok);text-decoration:underline dotted var(--ide-ok);text-underline-offset:4px}._slot_zdx68_233[data-error]{border:2px solid var(--ide-error);background:var(--ide-bg)}._slot_zdx68_233[data-error] ._text_zdx68_272{-webkit-text-decoration:underline wavy var(--ide-error);text-decoration:underline wavy var(--ide-error);text-underline-offset:4px}._slot_zdx68_233[data-blink]{border-color:var(--warn);animation:_blink_zdx68_1 calc(var(--motion) * 2.5) ease-in-out 3}@keyframes _blink_zdx68_1{50%{opacity:.35}}@media (prefers-reduced-motion:reduce){._slot_zdx68_233[data-blink]{border-width:2px;animation:none}}@media 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