@font-face{font-family:Schibsted Grotesk Variable;font-style:normal;font-display:swap;font-weight:400 900;src:url(./schibsted-grotesk-latin-ext-wght-normal.hsMS0n0O.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Schibsted Grotesk Variable;font-style:normal;font-display:swap;font-weight:400 900;src:url(./schibsted-grotesk-latin-wght-normal.Bb8VGrTG.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(./ibm-plex-mono-cyrillic-ext-400-normal.xuaO2J-f.woff2)format("woff2"),url(./ibm-plex-mono-cyrillic-ext-400-normal.DMdlQ8Kv.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(./ibm-plex-mono-cyrillic-400-normal.BSMlKf0J.woff2)format("woff2"),url(./ibm-plex-mono-cyrillic-400-normal.CEL4l2ZJ.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(./ibm-plex-mono-vietnamese-400-normal.BulugwFq.woff2)format("woff2"),url(./ibm-plex-mono-vietnamese-400-normal.DDuiU_S-.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(./ibm-plex-mono-latin-ext-400-normal.BmRBH3aV.woff2)format("woff2"),url(./ibm-plex-mono-latin-ext-400-normal.D3D2R8hC.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(./ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2)format("woff2"),url(./ibm-plex-mono-latin-400-normal.CvHOgSBP.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(./ibm-plex-mono-cyrillic-ext-500-normal.BqneJy0T.woff2)format("woff2"),url(./ibm-plex-mono-cyrillic-ext-500-normal.BIfNGwUT.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(./ibm-plex-mono-cyrillic-500-normal.Bq9vWWag.woff2)format("woff2"),url(./ibm-plex-mono-cyrillic-500-normal.Ael50iVv.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(./ibm-plex-mono-vietnamese-500-normal.DZ4AoWbu.woff2)format("woff2"),url(./ibm-plex-mono-vietnamese-500-normal.C8zxqsMH.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(./ibm-plex-mono-latin-ext-500-normal.CAhNIIs5.woff2)format("woff2"),url(./ibm-plex-mono-latin-ext-500-normal.CZ70TYgx.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(./ibm-plex-mono-latin-500-normal.DSY6xOcd.woff2)format("woff2"),url(./ibm-plex-mono-latin-500-normal.CB9ihrfo.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--font:"Schibsted Grotesk Variable", "Schibsted Grotesk", system-ui, sans-serif;--mono:"IBM Plex Mono", ui-monospace, monospace;--bg:#f3f4f1;--bg-soft:#eceeea;--bg-tint:#e6e9e5;--surface:#fff;--ink:#16191b;--muted:#566067;--faint:#5f6970;--line:#dcdfdb;--line-strong:#b9c0c4;--teal:#0b6e6d;--teal-ink:#fff;--teal-soft:#dcebe9;--teal-text:#0a5e5d;--gold:#f2b705;--gold-ink:#1f2328;--gold-soft:#f4eacb;--gold-text:#7a5600;--blue:#1e5bc6;--blue-soft:#e1eaf7;--blue-text:#143f8c;--coral:#c4432b;--coral-soft:#f6e3de;--coral-text:#9a2a15;--good:#16803c;--bad:#b4401f;--btn-dark:#16191b;--btn-dark-ink:#f3f4f1;--stage:#16171d;--code-bg:#fafbf9;--code-ink:#22292f;--t-kw:#0b6e6d;--t-ty:#1e5bc6;--t-fn:#0a5e5d;--t-num:#b34a1f;--t-str:#2f7d32;--t-cm:#80868e;--t-pp:#8a5a00;--t-gl:#b34a1f;--radius:6px;--radius-lg:6px;--radius-sm:4px;--shadow:0 10px 30px #141e1e1f;--focus:0 0 0 3px #0b6e6d59;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#111315;--bg-soft:#15181a;--bg-tint:#1f2528;--surface:#171b1d;--ink:#eceff1;--muted:#9aa4ab;--faint:#8b959c;--line:#272d31;--line-strong:#3a4248;--teal:#5ccfc4;--teal-ink:#08201e;--teal-soft:#16302e;--teal-text:#7adbd1;--gold:#f2b705;--gold-ink:#1a1500;--gold-soft:#2a230f;--gold-text:#f5cf55;--blue:#8ab4ff;--blue-soft:#18233a;--blue-text:#b7d0ff;--coral:#f07a66;--coral-soft:#33201c;--coral-text:#ffa898;--good:#4ade80;--bad:#ff8a6b;--btn-dark:#eceff1;--btn-dark-ink:#111315;--stage:#0b0c10;--code-bg:#0e1113;--code-ink:#d5dbe0;--t-kw:#5ce1f2;--t-ty:#8ab4ff;--t-fn:#7adbd1;--t-num:#ff9d7a;--t-str:#9be9a8;--t-cm:#78808a;--t-pp:#ffcb6b;--t-gl:#f5cf55;--shadow:0 10px 30px #00000080;--focus:0 0 0 3px #5ccfc473;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}::-webkit-scrollbar{background:0 0;width:11px;height:11px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-corner{background:0 0}::-webkit-scrollbar-button{width:0;height:0;display:none}::-webkit-scrollbar-thumb{background-color:color-mix(in srgb, var(--ink) 24%, transparent);background-clip:content-box;border:3px solid #0000;border-radius:8px;min-width:36px;min-height:36px}:hover::-webkit-scrollbar-thumb{background-color:color-mix(in srgb, var(--ink) 42%, transparent)}::-webkit-scrollbar-thumb:hover{background-color:color-mix(in srgb, var(--ink) 62%, transparent);border-width:2px}@supports ((-moz-appearance:none)){*{scrollbar-width:thin;scrollbar-color:color-mix(in srgb, var(--ink) 35%, transparent) transparent}}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:16px/1.5 var(--font);margin:0}a{color:var(--blue)}a:hover{color:var(--blue-text)}code,pre,kbd,.mono{font-family:var(--mono)}:focus-visible{box-shadow:var(--focus);border-radius:6px;outline:none}img,canvas{max-width:100%;display:block}h1,h2,h3,h4{letter-spacing:-.02em;margin:0;line-height:1.12}p{margin:0}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.container{max-width:1180px;margin:0 auto;padding:0 40px}.muted{color:var(--muted)}.faint{color:var(--faint)}@media (width<=760px){.container{padding:0 20px}}.btn{border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--surface);min-height:44px;color:var(--ink);font:500 15px var(--font);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding:10px 20px;text-decoration:none;display:inline-flex}.btn:hover{color:var(--ink);background:var(--bg-tint)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--btn-dark);border-color:var(--btn-dark);color:var(--btn-dark-ink)}.btn-primary:hover{background:var(--btn-dark);color:var(--btn-dark-ink);filter:brightness(1.18)}.btn-dark{background:var(--btn-dark);border-color:var(--btn-dark);color:var(--btn-dark-ink)}.btn-dark:hover{background:var(--btn-dark);color:var(--btn-dark-ink);filter:brightness(1.15)}.btn-gold{background:var(--gold);border-color:var(--gold);color:var(--gold-ink)}.btn-gold:hover{background:var(--gold);color:var(--gold-ink);filter:brightness(1.05)}.btn-ghost{background:0 0;border-color:#0000}.btn-sm{min-height:36px;padding:6px 14px;font-size:14px}.btn-teal{background:var(--teal);border-color:var(--teal);color:var(--teal-ink)}.btn-teal:hover{background:var(--teal);color:var(--teal-ink);filter:brightness(1.08)}.btn-lg{min-height:52px;padding:14px 28px;font-size:16px}.icon-btn{border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);width:44px;height:44px;color:var(--ink);cursor:pointer;justify-content:center;align-items:center;display:inline-flex}.icon-btn:hover{background:var(--bg-tint)}.icon-btn svg{width:20px;height:20px}.field{flex-direction:column;gap:7px;font-size:14px;font-weight:500;display:flex}.field input,.field select,.select{font:400 16px var(--font);border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);padding:12px 14px}.field input:focus,.select:focus{border-color:var(--teal);box-shadow:var(--focus);outline:none}.field-hint{color:var(--faint);margin-top:-2px;font-size:14px;font-weight:400}.select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);cursor:pointer;background-position:calc(100% - 18px),calc(100% - 13px);background-repeat:no-repeat;background-size:5px 5px;padding:9px 36px 9px 14px}.site-header{z-index:20;background:var(--bg);border-bottom:1px solid var(--line);position:sticky;top:0}.site-header .bar{align-items:center;gap:22px;height:64px;display:flex}.brand{color:var(--ink);letter-spacing:-.01em;white-space:nowrap;align-items:center;gap:9px;font-size:17px;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:var(--ink)}.brand svg{flex:0 0 26px;width:26px;height:26px}.main-nav{align-self:stretch;gap:22px;display:flex}.main-nav a{color:var(--muted);white-space:nowrap;border-bottom:2px solid #0000;align-items:center;margin-bottom:-1px;padding:0 2px;font-size:14.5px;font-weight:400;text-decoration:none;display:inline-flex}.main-nav a:hover{color:var(--ink)}.main-nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--teal);font-weight:500}.main-nav a.nav-plus{color:var(--gold-text)}.account-nav .nav-back{color:var(--muted);border-right:1px solid var(--line);gap:6px;margin-right:6px;padding-right:14px}.account-nav .nav-back svg{width:16px;height:16px}.hdr-tools{align-items:center;gap:8px;margin-left:auto;display:flex}.hdr-tools .icon-btn{width:38px;height:38px}.hdr-tools .icon-btn svg{width:18px;height:18px}.lang-pick{color:var(--muted);align-items:center;gap:8px;font-size:14px;display:flex}.lang-pick .select{padding-top:8px;padding-bottom:8px;font-size:15px}.lang-pill .select{border-radius:var(--radius-sm);border-color:var(--line);color:var(--muted);font:500 12px var(--mono);background-color:#0000;background-position:calc(100% - 16px),calc(100% - 11px);max-width:200px;padding:6px 30px 6px 10px}.lang-pill .select:hover{filter:brightness(1.05)}.hdr-lang-m{display:none}.stat-pill{font:500 12px var(--mono);color:var(--gold-text);white-space:nowrap;align-items:center;gap:6px;display:inline-flex}.stat-pill svg{width:16px;height:16px}.stat-pill{text-decoration:none}.stat-pill:hover{color:var(--ink)}.avatar{border-radius:50%;text-decoration:none;display:inline-flex}.acct-menu{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-width:260px;box-shadow:var(--shadow);z-index:30;padding:14px;position:absolute;top:calc(100% + 8px);right:0}.acct-menu[hidden]{display:none}.acct-menu .row{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.menu-btn{display:none}.menu-btn svg{pointer-events:none}.hdr-panel{display:contents}@media (width<=1180px){.stat-pill{display:none}}@media (width<=960px){.site-header .bar{gap:10px}.menu-btn{width:40px;height:40px;margin-left:auto;display:inline-flex}.hdr-panel{display:none}.hdr-panel.open{background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:18px;max-height:calc(100dvh - 61px);padding:10px 20px 22px;display:flex;position:absolute;top:100%;left:0;right:0;overflow-y:auto;box-shadow:0 18px 32px #0000002e}.hdr-panel .main-nav{flex-direction:column;gap:2px}.hdr-panel .main-nav a{color:var(--ink);border-radius:var(--radius-sm);padding:14px 12px;font-size:18px}.hdr-panel .main-nav a.nav-plus{color:var(--gold-text)}.hdr-panel .main-nav a{border-bottom:0;margin-bottom:0}.hdr-panel .main-nav a[aria-current=page]{background:var(--bg-tint)}.hdr-panel .account-nav .nav-back{color:var(--muted);border-right:0;border-bottom:1px solid var(--line);border-radius:0;margin:0 0 4px;padding:14px 12px}.hdr-panel .hdr-tools{border-top:1px solid var(--line);flex-wrap:wrap;gap:12px;margin-left:0;padding-top:16px}.hdr-panel .stat-pill{flex:100%;display:inline-flex}.hdr-panel .acct-menu{left:0;right:auto}}@media (width<=520px){.hdr-lang{display:none}.hdr-lang-m{flex:100%;display:block}.hdr-lang-m .lang-pick{flex-direction:column;align-items:stretch;gap:6px;font-weight:600}.hdr-lang-m .select{width:100%;padding-top:12px;padding-bottom:12px;font-size:16px}}.site-footer{border-top:1px solid var(--line);margin-top:0}.site-footer .bar{color:var(--faint);flex-wrap:wrap;justify-content:space-between;gap:16px;padding:28px 0 36px;font-size:15px;display:flex}.site-footer nav{flex-wrap:wrap;gap:22px;display:flex}.site-footer a{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}.kicker-mono,.eyebrow-mono{font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--teal-text)}.thumb{background:var(--stage);border-radius:var(--radius-sm);aspect-ratio:4/3;object-fit:cover;width:100%;height:auto}.state-solved{color:var(--good);font-weight:700}.state-next{color:var(--gold-text);font-weight:700}.state-todo{color:var(--faint)}.progress{background:var(--bg-tint);border-radius:3px;height:6px;overflow:hidden}.progress>i{background:var(--teal);border-radius:3px;height:100%;display:block}.seg{background:var(--bg-tint);border-radius:var(--radius-sm);gap:2px;padding:3px;display:inline-flex}.seg button{font:600 14px var(--font);min-height:34px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:3px;padding:8px 16px}.seg button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #0000001f}#toast{background:var(--btn-dark);color:var(--btn-dark-ink);border-radius:var(--radius-sm);opacity:0;pointer-events:none;z-index:60;text-align:center;max-width:90vw;padding:12px 20px;font-weight:500;transition:opacity .2s;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}#toast.show{opacity:1}.modal{z-index:50;background:#0a0c0f8c;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal[hidden]{display:none}.modal-box{background:var(--surface);width:min(860px,100%);max-height:88vh;color:var(--ink);border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;display:flex}.modal-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.modal-head h2{font-size:20px}.modal-body{padding:18px 20px;overflow:auto}.modal-body pre,.modal-body textarea{background:var(--code-bg);width:100%;color:var(--code-ink);border:1px solid var(--line);border-radius:var(--radius-sm);font:13.5px/1.6 var(--mono);white-space:pre;margin:0;padding:12px;overflow:auto}.modal-body textarea{resize:vertical;height:48vh}.modal-body table{border-collapse:collapse;width:100%;font-size:15px}.modal-body td,.modal-body th{border:1px solid var(--line);text-align:left;vertical-align:top;padding:7px 10px}.modal-body th{background:var(--bg-tint)}.modal-body h4{margin:18px 0 6px;font-size:16px}.modal-body code{background:var(--bg-tint);border-radius:5px;padding:1px 5px}.modal-foot{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:flex-end;gap:8px;padding:14px 20px;display:flex}.modal-foot:empty{display:none}.avatar.svelte-19i3hw3{background:0 0;border:0;border-radius:50%;width:auto;height:auto;text-decoration:none;display:inline-flex;position:relative}.plus-dot.svelte-19i3hw3{background:var(--gold);border:2px solid var(--bg);border-radius:50%;width:12px;height:12px;position:absolute;bottom:-2px;right:-2px}.grid.svelte-9sff3o{grid-template-columns:1.4fr .7fr 1fr 1.3fr;gap:36px 40px;padding-top:44px;padding-bottom:28px;display:grid}.about.svelte-9sff3o p:where(.svelte-9sff3o){color:var(--muted);max-width:320px;margin-top:12px;font-size:15px;line-height:1.55}h2.svelte-9sff3o{color:var(--ink);margin-bottom:12px;font-size:14px;font-weight:700}ul.svelte-9sff3o{flex-direction:column;gap:9px;margin:0;padding:0;list-style:none;display:flex}ul.two.svelte-9sff3o{grid-template-columns:1fr 1fr;gap:9px 18px;display:grid}li.svelte-9sff3o a:where(.svelte-9sff3o){color:var(--muted);font-size:15px;text-decoration:none}li.svelte-9sff3o a:where(.svelte-9sff3o):hover{color:var(--ink);text-decoration:underline}.news.svelte-9sff3o{max-width:320px;margin-top:22px}.news.svelte-9sff3o p:where(.svelte-9sff3o){margin:0 0 10px}.legal.svelte-9sff3o{border-top:1px solid var(--line);color:var(--faint);flex-wrap:wrap;gap:8px 22px;padding-top:18px;padding-bottom:36px;font-size:14px;display:flex}.legal.svelte-9sff3o a:where(.svelte-9sff3o){color:var(--muted)}@media (width<=900px){.grid.svelte-9sff3o{grid-template-columns:1fr 1fr}.about.svelte-9sff3o{grid-column:1/-1}}@media (width<=520px){.grid.svelte-9sff3o{grid-template-columns:1fr;gap:28px;padding-top:32px}ul.two.svelte-9sff3o{grid-template-columns:1fr 1fr}}.notice.svelte-1l987to{text-align:center;flex-wrap:wrap;justify-content:center;gap:4px 14px;padding:10px 20px;font-size:15px;font-weight:600;display:flex;position:relative;padding-right:48px!important}.info.svelte-1l987to{background:var(--blue-soft);color:var(--blue-text)}.good.svelte-1l987to{background:var(--teal-soft);color:var(--teal-text)}.warn.svelte-1l987to{background:var(--gold-soft);color:var(--gold-text)}a.svelte-1l987to{color:inherit;text-decoration:underline}.x.svelte-1l987to{width:30px;height:30px;color:inherit;cursor:pointer;opacity:.75;background:0 0;border:0;border-radius:50%;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.x.svelte-1l987to:hover{opacity:1;background:#00000014}.x.svelte-1l987to svg:where(.svelte-1l987to){width:14px;height:14px}.skip.svelte-12qhfyh{z-index:100;border-radius:var(--radius-sm);background:var(--btn-dark);color:var(--btn-dark-ink);padding:10px 16px;font-weight:700;text-decoration:none;transition:top .15s;position:absolute;top:-48px;left:12px}.skip.svelte-12qhfyh:focus{top:12px}#content.svelte-12qhfyh{display:contents}