@font-face{font-family:Fraunces;src:url(/fonts/fraunces-0.woff2)format("woff2");font-weight:400 700;font-style:normal;font-display:swap;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:Fraunces;src:url(/fonts/fraunces-1.woff2)format("woff2");font-weight:400 700;font-style:normal;font-display:swap;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:Fraunces;src:url(/fonts/fraunces-2.woff2)format("woff2");font-weight:400 700;font-style:normal;font-display:swap;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:Departure Mono;src:url(/fonts/departure-mono.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--serif:"Iowan Old Style", "Charter", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", SFMono-Regular, Menlo, "Cascadia Mono", Consolas, monospace;--display:"Fraunces", "Iowan Old Style", Charter, Georgia, serif;--pixel:"Departure Mono", ui-monospace, "SF Mono", Menlo, monospace;--paper:#fdfdfe;--surface:#fff;--ink:#16334c;--ink-strong:#0a1f33;--muted:#5b7488;--line:#c2d0da;--line-soft:#dfe8ee;--brass:#0d84ec;--orange:#fd9d02;--orange-ink:#d98300;--brass-soft:#0d84ec14;--brass-line:#0d84ec59;--pine:#16a34a;--oxide:#d92d20;--r-sm:3px;--r-md:6px;--r-lg:10px;--r-full:999px;--wash:radial-gradient(78% 104% at 8% 0%, color-mix(in oklab, var(--cat-core) 11%, transparent) 0%, transparent 62%), radial-gradient(78% 104% at 95% 100%, #06aed417 0%, transparent 62%);--shadow-sm:0 1px 2px #0a1f330d, 0 0 0 1px #0a1f330d;--shadow-md:0 1px 2px #0a1f330a, 0 4px 10px #0a1f330f, 0 0 0 1px #0a1f330d;--shadow-lg:0 2px 4px #0a1f330d, 0 10px 24px #0a1f3317, 0 0 0 1px #0a1f330d;--col:37rem;--col-mid:46rem;--dgm-surface:#fff;--dgm-line:#9fb1bf;--dgm-ink:#16334c;--dgm-muted:#5b7488;--dgm-accent:#0d84ec;--dgm-allow:#16a34a;--dgm-deny:#d92d20;--dgm-soft:#0d84ec1f;--dgm-band:#16334c14;--cat-core:#35618f;--cat-core-soft:#35618f17;--cat-pattern:#2d7256;--cat-pattern-soft:#2d725617;--glow-warm:#0d84ec17;--glow-cool:#35618f1a}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@supports (color:lab(0% 0 0)){:root{--wash:radial-gradient(78% 104% at 8% 0%, color-mix(in oklab, var(--cat-core) 11%, transparent) 0%, transparent 62%), radial-gradient(78% 104% at 95% 100%, lab(65.2592% -28.0628 -30.4046/.09) 0%, transparent 62%)}}@media (prefers-color-scheme:dark){:root{--paper:#0b151e;--surface:#10202c;--ink:#dbe5ec;--ink-strong:#f1f6f9;--muted:#90a6b6;--line:#2b4152;--line-soft:#1c2e3b;--brass:#4ba3ff;--orange:#ffb13b;--orange-ink:#ffc56b;--brass-soft:#4ba3ff1f;--brass-line:#4ba3ff66;--pine:#4ade80;--oxide:#f97066;--dgm-surface:#16283a;--dgm-line:#47606f;--dgm-ink:#dbe5ec;--dgm-muted:#90a6b6;--dgm-accent:#4ba3ff;--dgm-allow:#4ade80;--dgm-deny:#f97066;--dgm-soft:#4ba3ff24;--dgm-band:#dbe5ec12;--shadow-sm:0 1px 2px #0006, 0 0 0 1px #ffffff0a;--shadow-md:0 1px 2px #00000073, 0 4px 10px #00000059, 0 0 0 1px #ffffff0d;--shadow-lg:0 2px 4px #00000080, 0 10px 24px #0006, 0 0 0 1px #ffffff0f;--cat-core:#7fb0dd;--cat-core-soft:#7fb0dd1f;--cat-pattern:#6bc39b;--cat-pattern-soft:#6bc39b1f;--glow-warm:#4ba3ff17;--glow-cool:#7fb0dd17}}:root[data-theme=dark]{--paper:#0b151e;--surface:#10202c;--ink:#dbe5ec;--ink-strong:#f1f6f9;--muted:#90a6b6;--line:#2b4152;--line-soft:#1c2e3b;--brass:#4ba3ff;--orange:#ffb13b;--orange-ink:#ffc56b;--brass-soft:#4ba3ff1f;--brass-line:#4ba3ff66;--pine:#4ade80;--oxide:#f97066;--dgm-surface:#16283a;--dgm-line:#47606f;--dgm-ink:#dbe5ec;--dgm-muted:#90a6b6;--dgm-accent:#4ba3ff;--dgm-allow:#4ade80;--dgm-deny:#f97066;--dgm-soft:#4ba3ff24;--dgm-band:#dbe5ec12;--shadow-sm:0 1px 2px #0006, 0 0 0 1px #ffffff0a;--shadow-md:0 1px 2px #00000073, 0 4px 10px #00000059, 0 0 0 1px #ffffff0d;--shadow-lg:0 2px 4px #00000080, 0 10px 24px #0006, 0 0 0 1px #ffffff0f;--cat-core:#7fb0dd;--cat-core-soft:#7fb0dd1f;--cat-pattern:#6bc39b;--cat-pattern-soft:#6bc39b1f;--glow-warm:#4ba3ff17;--glow-cool:#7fb0dd17}:root[data-theme=light]{--paper:#fdfdfe;--surface:#fff;--ink:#16334c;--ink-strong:#0a1f33;--muted:#5b7488;--line:#c2d0da;--line-soft:#dfe8ee;--brass:#0d84ec;--orange:#fd9d02;--orange-ink:#d98300;--brass-soft:#0d84ec14;--brass-line:#0d84ec59;--pine:#16a34a;--oxide:#d92d20;--dgm-surface:#fff;--dgm-line:#9fb1bf;--dgm-ink:#16334c;--dgm-muted:#5b7488;--dgm-accent:#0d84ec;--dgm-allow:#16a34a;--dgm-deny:#d92d20;--dgm-soft:#0d84ec1f;--dgm-band:#16334c14;--shadow-sm:0 1px 2px #0a1f330d, 0 0 0 1px #0a1f330d;--shadow-md:0 1px 2px #0a1f330a, 0 4px 10px #0a1f330f, 0 0 0 1px #0a1f330d;--shadow-lg:0 2px 4px #0a1f330d, 0 10px 24px #0a1f3317, 0 0 0 1px #0a1f330d;--cat-core:#35618f;--cat-core-soft:#35618f17;--cat-pattern:#2d7256;--cat-pattern-soft:#2d725617;--glow-warm:#0d84ec17;--glow-cool:#35618f1a}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--serif);-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;margin:0;font-size:1.125rem;line-height:1.72}.page{--col:100%;--col-mid:100%;max-width:56rem;margin-inline:auto;padding:clamp(1.75rem,5vw,4rem) clamp(1.1rem,4vw,2.5rem) 5rem}.scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}:focus-visible{outline:2px solid var(--brass);outline-offset:3px}.eyebrow{font-family:var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.655rem;font-weight:500}.eyebrow--lg{color:var(--brass);font-size:.72rem}.masthead{border-bottom:1px solid var(--line);gap:.85rem;padding-bottom:2rem;display:grid}.brand{flex-wrap:wrap;align-items:center;gap:.8rem;margin-bottom:1.6rem;display:flex}.brand__mark{font-family:var(--mono);letter-spacing:.06em;background:var(--ink);color:var(--paper);padding:.3rem .52rem;font-size:.82rem;font-weight:600}.brand__tag{font-family:var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-size:.655rem}.masthead h1{letter-spacing:-.015em;color:var(--ink-strong);text-wrap:balance;margin:0;font-size:clamp(2.05rem,6.4vw,3.15rem);font-weight:600;line-height:1.06}.standfirst{max-width:var(--col);color:var(--muted);margin:.35rem 0 0;font-size:1.2rem;line-height:1.56}.meta{flex-wrap:wrap;gap:.4rem 1.1rem;margin:.7rem 0 0;padding:0;list-style:none;display:flex}.meta li{font-family:var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--muted);font-size:.655rem}.toc{gap:.85rem;margin:2.2rem 0 3.2rem;display:grid}.toc ol{border-top:1px solid var(--line-soft);margin:0 -.85rem;padding:0;list-style:none}.toc a{border-bottom:1px solid var(--line-soft);color:inherit;grid-template-columns:2.2rem 1fr;align-items:baseline;gap:.9rem;padding:.62rem .85rem;text-decoration:none;display:grid}.toc a:hover{background:var(--surface)}.toc__n{font-family:var(--mono);color:var(--brass);font-variant-numeric:tabular-nums;font-size:.72rem}.toc__t{font-family:var(--sans);color:var(--ink-strong);font-size:.95rem;font-weight:550}.toc__subrow a{padding-top:.48rem;padding-bottom:.48rem}.toc__t--sub{color:var(--ink);font-size:.875rem;font-weight:450}.toc a:hover .toc__t,.toc a:focus-visible .toc__t{color:var(--brass)}.doc{grid-template-columns:minmax(0,1fr);gap:1.35rem;display:grid}.doc>*{width:100%;max-width:var(--col);margin-inline:auto}.masthead+.doc{margin-top:2rem}.doc>.scroll{max-width:var(--col-mid)}.doc>.fig,.doc>.numbers,.doc>.approaches,.doc>.levels{max-width:100%}.doc p{margin-block:0}.doc blockquote{border-left:2px solid var(--line);color:var(--ink-strong);margin-block:0;padding:.15rem 0 .15rem 1.15rem}.doc h2,.doc h3,.doc h4{color:var(--ink-strong);text-wrap:balance;margin-block:0}.doc h2{border-top:1px solid var(--line);letter-spacing:-.012em;margin-top:2.4rem;padding-top:1.5rem;font-size:clamp(1.5rem,3.8vw,2rem);font-weight:600;line-height:1.16;position:relative}.doc h2:before{content:"";background:var(--brass);width:3.25rem;height:1px;position:absolute;top:-1px;left:0}.doc h3{margin-top:1.9rem;font-size:1.28rem;font-weight:600;line-height:1.3}.doc h4{font-family:var(--sans);margin-top:1.3rem;font-size:1.02rem;font-weight:650;line-height:1.4}.doc h2+p,.doc h3+p,.doc h4+p{margin-top:-.15rem}.doc ul,.doc ol{gap:.6rem;margin-block:0;padding-left:1.35rem;display:grid}.doc li{padding-left:.15rem}.doc li::marker{color:var(--brass);font-family:var(--mono);font-size:.85em}.doc hr{background:var(--line-soft);border:0;height:1px;margin-block:1.2rem 0}a{color:var(--brass);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{color:var(--ink-strong)}strong{color:var(--ink-strong);font-weight:650}em{font-style:italic}code{font-family:var(--mono);background:var(--brass-soft);overflow-wrap:break-word;border-radius:2px;padding:.1em .32em;font-size:.855em}.callout{border-left:2px solid var(--line);gap:.5rem;padding:.15rem 0 .15rem 1.15rem;font-size:1.04rem;display:grid}.callout--tip{border-left-color:var(--pine)}.callout--tip .eyebrow{color:var(--pine)}.callout--warning{border-left-color:var(--oxide)}.callout--warning .eyebrow{color:var(--oxide)}.signal{background:var(--brass-soft);border-top:1px solid var(--brass);border-bottom:1px solid var(--brass-line);gap:.5rem;padding:1.05rem 1.15rem;font-size:1.04rem;display:grid}.signal .eyebrow{color:var(--brass)}.numbers{border:1px solid var(--line-soft);background:var(--surface);margin-block:0}.numbers figcaption{border-bottom:1px solid var(--line-soft);flex-wrap:wrap;align-items:baseline;gap:.35rem .85rem;padding:.7rem 1rem;display:flex}.numbers__title{font-family:var(--sans);color:var(--ink-strong);font-size:.9rem;font-weight:600}.numbers pre{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--ink);margin:0;padding:1rem;font-size:.815rem;line-height:1.78}.approaches{border-top:1px solid var(--line)}.approach{border-bottom:1px solid var(--line-soft);grid-template-columns:minmax(0,1fr);gap:.7rem;padding:1.2rem 0 1.45rem;display:grid}.approaches>.approach:last-child{border-bottom:1px solid var(--line)}.approach__head{align-items:center;gap:.65rem;display:flex}.approach h4{margin-top:0;font-size:1.1rem}.approach>*{width:100%;max-width:var(--col);margin-inline:auto}.approach>.fig,.approach>.numbers,.approach>.scroll{max-width:100%}.meter{gap:3px;display:inline-flex}.meter i{background:var(--line);width:15px;height:5px;display:block}.meter i.on{background:var(--brass)}.levels{border-top:1px solid var(--line)}.level{border-bottom:1px solid var(--line-soft);grid-template-columns:minmax(0,1fr);gap:.75rem;padding:1.3rem 0 1.5rem;display:grid}.levels>.level:last-child{border-bottom:1px solid var(--line)}.level h4{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--brass);margin-block:0;font-size:.735rem;font-weight:600}.level>*{width:100%;max-width:var(--col);margin-inline:auto}.fig{grid-template-columns:minmax(0,1fr);gap:.75rem;margin-block:0;display:grid}.fig .scroll{border:1px solid var(--line-soft);background:var(--surface);padding:.9rem 1rem}.fig .dgm{width:100%;min-width:660px;height:auto;display:block}.fig figcaption{width:100%;max-width:var(--col);font-family:var(--sans);color:var(--muted);margin-inline:auto;font-size:.855rem;line-height:1.6}.pattern{border:1px dashed var(--line);gap:.35rem;padding:.95rem 1.1rem;display:grid}.pattern__link{font-family:var(--sans);font-size:1rem;font-weight:650;text-decoration:none}.pattern__link:hover{text-decoration:underline}.pattern p{font-family:var(--sans);color:var(--muted);margin:0;font-size:.895rem;line-height:1.6}table{border-collapse:collapse;width:100%;min-width:34rem;font-family:var(--sans);font-size:.875rem}th{text-align:left;font-family:var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);vertical-align:bottom;padding:.6rem .75rem;font-size:.645rem;font-weight:500}td{border-bottom:1px solid var(--line-soft);vertical-align:top;font-variant-numeric:tabular-nums;padding:.62rem .75rem}td:first-child{color:var(--ink-strong);font-weight:600}pre.code{background:var(--surface);border:1px solid var(--line-soft);font-family:var(--mono);margin:0;padding:1rem 1.1rem;font-size:.815rem;line-height:1.68}pre.code[data-lang]:before{content:attr(data-lang);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem;font-size:.62rem;font-weight:500;display:block}pre.code code{font-size:inherit;background:0 0;padding:0}.t-c{color:var(--muted);font-style:italic}.t-s{color:var(--pine)}.t-n{color:var(--brass)}.t-k{color:var(--oxide);font-weight:600}.t-f{color:var(--ink-strong);font-weight:600}.paywall{font-family:var(--mono);letter-spacing:.11em;text-transform:uppercase;color:var(--muted);align-items:center;gap:.85rem;margin-top:1.6rem;font-size:.625rem;display:flex}.paywall:before,.paywall:after{content:"";border-top:1px dashed var(--line);flex:1}.progress{z-index:31;pointer-events:none;height:3px;position:fixed;top:0;left:0;right:0}.progress i{background:linear-gradient(90deg, var(--brass-line), var(--brass));height:100%;box-shadow:0 0 6px color-mix(in oklab, var(--brass) 45%, transparent);transform-origin:0;display:block;transform:scaleX(0)}.foot{border-top:1px solid var(--line-soft);margin-top:3.5rem;padding-top:1.2rem}.foot p{font-family:var(--mono);color:var(--muted);margin:0;font-size:.68rem;line-height:1.7}.foot code{background:0 0;padding:0}@media (max-width:34rem){body{font-size:1.06rem;line-height:1.68}.toc a{grid-template-columns:1.9rem 1fr}.toc__m{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}.levels{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:1.3rem 0}.levels__pick{border:1px solid var(--line);border-radius:var(--r-md);background:var(--line);flex-wrap:wrap;gap:1px;width:fit-content;max-width:100%;margin-inline:auto;display:flex;overflow:hidden}.levels__pick input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.levels__pick label{background:var(--surface);font-family:var(--pixel);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);cursor:pointer;padding:.55rem 1.05rem;font-size:.68rem;transition:background .14s,color .14s}.levels__pick label:hover{color:var(--ink-strong)}.levels__pick input[data-lv="0"]:checked+label{color:#fff;background:#5a7d96}.levels__pick input[data-lv="1"]:checked+label{color:#fff;background:#0d84ec}.levels__pick input[data-lv="2"]:checked+label{color:#47280a;background:#fd9d02}.levels__pick input[data-lv="3"]:checked+label{background:var(--brass);color:#fff}.levels__pick input:focus-visible+label{outline:2px solid var(--brass);outline-offset:-2px}.levels__body>.level,.levels>.levels__body>.level:last-child{border-bottom:0}@supports selector(:has(*)){.levels__body>.level{display:none}:is(.levels:has(#o7-lv-0:checked) .levels__body>.level:first-child,.levels:has(#o7-lv-1:checked) .levels__body>.level:nth-child(2),.levels:has(#o7-lv-2:checked) .levels__body>.level:nth-child(3),.levels:has(#o7-lv-3:checked) .levels__body>.level:nth-child(4)){display:grid}}.fig{isolation:isolate;position:relative}.fig:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(56% 62% at 14% 42%, var(--glow-cool) 0%, transparent 72%), radial-gradient(58% 64% at 88% 56%, var(--glow-warm) 0%, transparent 72%);position:absolute;inset:-8% 0 12%}.fig .scroll{border-radius:var(--r-lg);box-shadow:var(--shadow-md);background:var(--wash), var(--surface)}.numbers{border-radius:var(--r-lg);border-color:var(--line);box-shadow:var(--shadow-sm);overflow:hidden}.numbers figcaption{background:var(--brass-soft);border-bottom-color:var(--brass-line)}.numbers .eyebrow{color:var(--brass)}.callout{border-radius:0 var(--r-md) var(--r-md) 0;padding:.85rem 1.05rem}.callout--tip{background:color-mix(in oklab, var(--pine) 7%, transparent)}.callout--warning{background:color-mix(in oklab, var(--oxide) 7%, transparent)}.approach--naive{--lv:#5a7d96}.approach--senior{--lv:#0d84ec}.approach--staff{--lv:#7a5af8}.approaches{border-top:0;gap:1rem;display:grid}.approach{border:1px solid var(--line-soft);border-left:3px solid var(--lv,var(--line));border-radius:0 var(--r-lg) var(--r-lg) 0;background:color-mix(in oklab, var(--lv,var(--line)) 4%, var(--surface));box-shadow:var(--shadow-sm);padding:1.05rem 1.25rem 1.25rem}.approach,.approaches>.approach:last-child{border-bottom:1px solid var(--line-soft)}.approach .eyebrow{border:1px solid color-mix(in oklab, var(--lv) 42%, var(--surface));border-radius:var(--r-full);background:color-mix(in oklab, var(--lv) 15%, var(--surface));color:color-mix(in oklab, var(--lv) 72%, var(--ink-strong));padding:.24rem .6rem;display:inline-block}.approach .meter i.on{background:var(--lv)}pre.code{border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);background:var(--wash), var(--surface);overflow:hidden}pre.code[data-lang]{padding-top:0}pre.code[data-lang]:before{content:attr(data-lang);border-bottom:1px solid var(--line-soft);background:var(--brass-soft);font-family:var(--pixel);letter-spacing:.14em;text-transform:uppercase;color:var(--brass);margin:0 -1.1rem .9rem;padding:.5rem 1.1rem;font-size:.64rem;display:block}pre.code .t-cm{color:color-mix(in oklab, var(--muted) 78%, transparent);font-style:italic}pre.code .t-vb{color:var(--brass);font-weight:600}pre.code .t-st{font-weight:600}pre.code .t-st2{color:var(--pine)}pre.code .t-st3{color:var(--cat-core)}pre.code .t-st4,pre.code .t-st5{color:var(--oxide)}pre.code .t-hd{color:var(--muted)}pre.code .t-ky{color:var(--cat-core)}pre.code .t-str{color:var(--pine)}pre.code .t-url{color:var(--ink-strong)}pre.code .t-kw{color:var(--brass);font-weight:600}pre.code .t-num{color:var(--ink-strong)}.tbl{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm)}.tbl table{min-width:38rem}.tbl thead{background:var(--brass-soft)}.tbl th{border-bottom:1px solid var(--brass-line);color:var(--brass);padding-block:.7rem}.tbl th:first-child,.tbl td:first-child{padding-left:1rem}.tbl th:last-child,.tbl td:last-child{padding-right:1rem}.tbl tbody tr:nth-child(2n){background:color-mix(in oklab, var(--ink) 3%, transparent)}.tbl tbody td{border-bottom:0}.tbl tbody tr+tr td{border-top:1px solid var(--line-soft)}.tbl tbody tr:hover{background:var(--brass-soft)}.tbl tbody td:first-child{color:var(--ink-strong)}.pattern{--pat:#d98300;--pat-hi:#fd9d02;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm);grid-template-columns:auto minmax(0,1fr);align-items:start;gap:0 .9rem;padding:.85rem 1rem;transition:box-shadow .16s,border-color .16s,transform .16s;display:grid}.pattern:hover{border-color:color-mix(in oklab, var(--pat-hi) 55%, var(--line));box-shadow:var(--shadow-md);transform:translateY(-1px)}.pattern__badge{border-radius:var(--r-md);background:var(--pat-hi);color:#3a2408;width:2.15rem;height:2.15rem;box-shadow:0 1px 2px color-mix(in oklab, var(--pat) 35%, transparent);place-items:center;display:grid}.pattern .eyebrow{color:var(--pat);justify-self:start}.pattern__link{font-family:var(--sans);color:var(--ink-strong);justify-self:start;font-size:1.02rem;font-weight:650;text-decoration:none}.pattern__link:hover{color:var(--pat);text-decoration:none}.pattern__link:after{content:"→";color:var(--pat-hi);margin-left:.35em;transition:transform .16s;display:inline-block}.pattern:hover .pattern__link:after{transform:translate(3px)}.pattern__body{gap:.2rem;display:grid}.pattern__body p{margin-top:.15rem}@media (prefers-reduced-motion:reduce){.pattern,.pattern__link:after{transition:none}.pattern:hover{transform:none}}.levels__body>.level:first-child{--lv:#5a7d96}.levels__body>.level:nth-child(2){--lv:#0d84ec}.levels__body>.level:nth-child(3){--lv:#fd9d02}.levels__body>.level:nth-child(4){--lv:var(--brass)}.levels__body>.level h4{color:var(--lv,var(--brass))}.toc{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm);padding:1rem 1.15rem 1.05rem}.toc .eyebrow{border:1px solid var(--brass-line);border-radius:var(--r-full);background:var(--brass-soft);color:var(--brass);justify-self:start;padding:.22rem .55rem}.toc ol{border-top:0;margin:.15rem 0 0;position:relative}.toc ol:before{content:"";background:var(--brass-line);width:1px;position:absolute;top:1.15rem;bottom:1.15rem;left:1.57rem}.toc a{border-radius:var(--r-sm);border-bottom:0;align-items:center;padding-block:.36rem}.toc__n{z-index:1;border:1px solid var(--brass-line);border-radius:var(--r-full);background:var(--surface);place-items:center;width:1.45rem;height:1.45rem;font-size:.6rem;transition:background .14s,color .14s;display:grid;position:relative}.toc__subrow .toc__n{background:0 0;border:0;border-radius:0;width:1.45rem;height:1px}.toc__subrow .toc__n:after{content:"";background:var(--line);width:8px;height:1px;position:absolute;left:50%}.toc a:hover .toc__n{z-index:2;background:var(--brass);color:var(--paper)}.toc__subrow a:hover .toc__n:after{background:var(--brass)}.toc a:hover .toc__t{color:var(--brass)}@media (prefers-reduced-motion:reduce){.toc__n{transition:none}}.markread{max-width:var(--col);border:1px solid var(--brass-line);border-radius:var(--r-lg);background:var(--brass-soft);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.9rem 1.5rem;margin:2.8rem 0 2.2rem;padding:1.2rem 1.4rem;display:flex}.markread:empty{display:none}.markread__text{flex:18rem;min-width:0}.markread__title{color:var(--ink-strong);font-family:var(--display);margin:0 0 .2rem;font-size:1.18rem;font-weight:600;line-height:1.3}.markread__note{color:var(--muted);margin:0;font-size:.92rem;line-height:1.5}.markread__btn{border:1px solid var(--line);border-radius:var(--r-full);background:var(--surface);color:var(--muted);white-space:nowrap;cursor:not-allowed;align-items:center;gap:.5rem;padding:.65rem 1.15rem;font-family:inherit;font-size:.95rem;font-weight:650;line-height:1;display:inline-flex}.markread__btn svg circle{fill:none;stroke:currentColor;stroke-width:1.4px}.markread__btn svg path{fill:none;stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;opacity:0}.markread[data-state=ready] .markread__btn{border-color:var(--brass);background:var(--brass);color:#fff;cursor:pointer;box-shadow:0 6px 18px -8px var(--brass)}.markread[data-state=ready] .markread__btn:hover{filter:brightness(1.06)}.markread[data-state=read]{border-color:color-mix(in oklab, var(--pine) 45%, transparent);background:color-mix(in oklab, var(--pine) 9%, var(--surface))}.markread[data-state=read] .markread__btn{border-color:var(--pine);background:var(--surface);color:var(--pine);cursor:pointer}.markread[data-state=read] .markread__btn svg path{opacity:1}
@font-face{font-family:Manrope;src:url(/fonts/manrope.woff2)format("woff2");font-weight:500 800;font-style:normal;font-display:swap}:root{--box-pad:clamp(1rem, 2.5vw, 1.5rem)}.shell{flex-direction:column;min-height:100dvh;display:flex}.shell>main{flex:1}.shell>main>:first-child,.shell>main>.progress+*{scroll-margin-top:100vh}.wrap{width:100%;max-width:56rem;margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2.5rem)}.topbar{z-index:30;pointer-events:none;padding:.6rem clamp(.6rem,3vw,2.5rem) 0;position:sticky;top:0}.topbar__in{pointer-events:auto;align-items:center;gap:1rem;min-height:3.4rem;padding-block:.45rem;display:flex}.topbar .wrap{max-width:100rem}.topbar__in{border:1px solid var(--line-soft);background:color-mix(in oklab, var(--surface) 82%, transparent);-webkit-backdrop-filter:blur(14px)saturate(1.4);backdrop-filter:blur(14px)saturate(1.4);border-radius:999px;padding-inline:.55rem .5rem;box-shadow:0 1px 2px #0a1f330d,0 8px 24px -12px #0a1f3338}@supports not ((-webkit-backdrop-filter:blur(10px)) or (backdrop-filter:blur(10px))){.topbar__in{background:var(--surface)}}.topbar__r{align-items:center;gap:.6rem;margin-left:auto;display:flex}.navseg{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:3px;display:flex;position:relative}.navseg__pill{background:var(--brass);box-shadow:0 2px 8px color-mix(in oklab, var(--brass) 40%, transparent);border-radius:999px;transition:transform .28s cubic-bezier(.3,.7,.2,1),width .28s cubic-bezier(.3,.7,.2,1);position:absolute;top:3px;bottom:3px;left:0}.navseg:not([data-ready]) .navseg__a[aria-current=page]{background:var(--brass)}.navseg__a{z-index:1;font-family:"Manrope", var(--sans);letter-spacing:-.01em;text-align:center;white-space:nowrap;color:var(--muted);border-radius:999px;padding:.38rem 1rem;font-size:.86rem;font-weight:700;text-decoration:none;transition:color .2s;position:relative}.navseg__a:hover{color:var(--ink-strong)}.navseg__a[aria-current=page]{color:#fff}@media (prefers-reduced-motion:reduce){.navseg__pill{transition:none}}@media (max-width:34rem){.topbar .brand__mark{display:none}.topbar__in{gap:.5rem;padding-inline:.4rem}.topbar__r{gap:.35rem}.navseg__a{padding:.34rem .7rem;font-size:.8rem}}.brand{color:inherit;align-items:center;gap:.5rem;text-decoration:none;display:inline-flex}.brand__mark{color:#fff;background:#0d84ec;border-radius:999px}.topbar .brand__mark{font-family:"Manrope", var(--sans);letter-spacing:-.02em;padding:.34rem .85rem;font-size:.95rem;font-weight:800}.topbar .brand__logo{width:1.55rem;height:1.55rem;margin-left:.35rem}.brand:hover .brand__mark{background:#0a6cc4}.brand__logo{flex:none;width:1.4rem;height:1.4rem;display:block;overflow:visible}.brand__logo-ring{stroke:var(--brass)}.brand__logo-seven{stroke:var(--orange)}.brand:hover .brand__logo-ring{stroke:color-mix(in oklab, var(--brass) 78%, var(--ink-strong))}.sitefoot .brand{align-items:baseline}.sitefoot .brand__logo{align-self:center;width:1.1rem;height:1.1rem}.sitefoot .brand__mark{color:inherit;background:0 0;padding:0}.sitefoot .brand:hover .brand__mark{color:var(--brass);background:0 0}.theme{--top-ctl-h:calc(1.65rem + 6px);width:var(--top-ctl-h);height:var(--top-ctl-h);border:1px solid var(--ink-strong);background:var(--ink-strong);color:var(--paper);cursor:pointer;font:inherit;border-radius:50%;flex:none;place-items:center;padding:0;line-height:1;transition:transform .15s,background .15s;display:grid}.theme svg{width:.95rem;height:.95rem;display:block}.theme:hover{transform:rotate(-18deg)}.theme:focus-visible{outline:2px solid var(--brass);outline-offset:2px}@media (prefers-reduced-motion:reduce){.theme:hover{transform:none}}.hero{border-bottom:1px solid var(--line);padding-block:clamp(2.5rem,8vw,5rem) clamp(2rem,5vw,3rem)}.hero--home{text-align:center;border-bottom:0;padding-bottom:clamp(1.5rem,3vw,2rem)}.hero--home h1{max-width:20ch;margin-inline:auto;font-size:clamp(2.4rem,7vw,4.4rem)}.h1__mono{font-family:var(--mono);letter-spacing:-.03em;color:var(--orange);font-size:.6em;font-weight:500}.hero--home .lede{max-width:40rem;margin-inline:auto}.hero--home .ctas{justify-content:center}.hero h1{letter-spacing:-.02em;color:var(--ink-strong);text-wrap:balance;max-width:26ch;margin:.9rem 0 0;font-size:clamp(2.1rem,6vw,3.25rem);font-weight:600;line-height:1.06}.hero .eyebrow--lg+h1{margin-top:.7rem}.hero .lede{max-width:38rem;color:var(--muted);margin:1.15rem 0 0;font-size:1.18rem;line-height:1.58}.hero .lede strong{color:var(--ink-strong)}.fineprint{font-family:var(--sans);color:var(--muted);margin:.85rem 0 0;font-size:.9rem}.plain{padding-block:clamp(2rem,5vw,3rem) 0}.plain h2{color:var(--ink-strong);margin:0 0 1.1rem;font-size:1.45rem;font-weight:600;line-height:1.2}.plain p{max-width:var(--col);color:var(--muted);margin:0 0 1.05rem;font-size:1.05rem;line-height:1.65}.plain p strong{color:var(--ink-strong)}.section{border-top:1px solid var(--line);margin-top:3rem;padding-top:1.4rem;position:relative}.section:before{content:"";background:var(--brass);width:3.25rem;height:1px;position:absolute;top:-1px;left:0}.section>h2{color:var(--ink-strong);margin:.25rem 0 0;font-size:clamp(1.45rem,3.6vw,1.9rem);font-weight:600;line-height:1.16}.section>p{max-width:var(--col);color:var(--muted);margin:.5rem 0 0;font-size:1.02rem;line-height:1.6}.artnav{background:var(--line-soft);border-block:1px solid var(--line-soft);gap:1px;margin-top:3.5rem;display:grid}@media (min-width:46rem){.artnav{grid-template-columns:1fr 1fr}}.artnav a{background:var(--paper);color:inherit;gap:.3rem;padding:1.1rem 1.2rem;text-decoration:none;display:grid}.artnav a:hover{background:var(--surface)}.artnav a:last-child{text-align:right}.artnav__t{font-family:var(--sans);color:var(--ink-strong);font-size:.98rem;font-weight:600;line-height:1.35}.related{border-top:1px solid var(--line);margin-top:3.5rem;padding-top:1.4rem}.related ul{gap:.55rem;margin:1rem 0 0;padding:0;list-style:none;display:grid}.related a{font-family:var(--sans);font-size:.98rem;font-weight:550}.fig .scroll{position:relative}.fig[data-scrollable=true] .scroll:after{content:"scroll →";font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--surface);border:1px solid var(--line-soft);pointer-events:none;padding:.15rem .35rem;font-size:.6rem;position:absolute;bottom:.4rem;right:.5rem}@media (min-width:48rem){.fig[data-scrollable=true] .scroll:after{display:none}}.sitefoot{border-top:1px solid var(--line);margin-top:4rem;padding-block:1.5rem 2.5rem}.sitefoot__in{flex-wrap:wrap;align-items:baseline;gap:.6rem 1.4rem;display:flex}.sitefoot p,.sitefoot a{font-family:var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.665rem}.sitefoot a{text-decoration:none}.sitefoot a:hover{color:var(--brass)}.sitefoot p:last-child{margin-left:auto}.nf{max-width:var(--col);gap:1rem;padding-block:clamp(3rem,12vw,7rem);display:grid}.nf h1{color:var(--ink-strong);margin:0;font-size:clamp(2rem,6vw,2.8rem);font-weight:600;line-height:1.1}.nf p{color:var(--muted);margin:0;font-size:1.1rem}@media (max-width:34rem){.topbar__in{gap:.75rem}.topbar .brand{flex:none}}@media (max-width:24rem){.topbar .brand__mark{display:none}.artnav a:last-child{text-align:left}.sitefoot p:last-child{margin-left:0}}.crumb{font-family:var(--mono);letter-spacing:.13em;text-transform:uppercase;margin:0;font-size:.655rem}.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--brass)}.masthead .crumb+.eyebrow--lg{margin-top:.1rem}.toc--plain ul{border-top:1px solid var(--line-soft);margin:0 -.85rem;padding:0;list-style:none}.toc--plain a{border-bottom:1px solid var(--line-soft);color:inherit;padding:.62rem .85rem;text-decoration:none;display:block}.variants{flex-wrap:wrap;gap:.5rem;margin:1.15rem 0 0;display:flex}.variants a,.variants__on{border:1px solid var(--line);font-family:var(--sans);color:var(--ink);align-items:baseline;gap:.5rem;padding:.42rem .8rem;font-size:.82rem;font-weight:550;text-decoration:none;display:inline-flex}.variants a:hover{background:var(--surface)}.variants__on{border-color:var(--ink-strong);color:var(--ink-strong)}.variants i{font-style:normal;font-family:var(--mono);color:var(--muted);font-size:.7rem;font-weight:400}.subscribe{border-top:1px solid var(--line);margin-top:clamp(2rem,5vw,3rem);padding-block:clamp(2rem,5vw,3rem) clamp(2.5rem,6vw,4rem)}.subscribe h2{color:var(--ink-strong);margin:0 0 .7rem;font-size:1.35rem;font-weight:600;line-height:1.2}.subscribe p{max-width:var(--col);color:var(--muted);margin:0 0 1.2rem;font-size:1.02rem;line-height:1.6}.subscribe__form{flex-wrap:wrap;gap:.6rem;display:flex}.subscribe__form input{border:1px solid var(--line);background:var(--paper);min-width:0;color:var(--ink-strong);font-family:var(--sans);flex:18rem;padding:.72rem .9rem;font-size:1rem}.subscribe__form input:focus-visible{outline:2px solid var(--brass);outline-offset:1px}.subscribe__form button{border:1px solid var(--ink-strong);background:var(--ink-strong);color:var(--paper);font-family:var(--sans);cursor:pointer;padding:.72rem 1.3rem;font-size:1rem;font-weight:600}.subscribe__form button:hover{background:var(--brass);border-color:var(--brass)}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.link--unpublished{color:inherit;border-bottom:1px dotted var(--line);cursor:help;position:relative}.link--unpublished:after{content:"Coming soon";background:var(--ink-strong);color:var(--surface);font:400 .75rem var(--sans);white-space:nowrap;opacity:0;pointer-events:none;z-index:5;border-radius:4px;padding:.2rem .5rem;transition:opacity .1s;position:absolute;bottom:100%;left:50%;transform:translate(-50%)translateY(-4px)}.link--unpublished:hover:after,.link--unpublished:focus-visible:after{opacity:1}.subscribe--compact{margin-top:clamp(1.5rem,4vw,2.25rem);padding-block:clamp(1.6rem,4vw,2.25rem)}.subscribe--compact h2{font-size:1.1rem}.subscribe--compact p{margin-bottom:.95rem;font-size:.98rem}.ctas{flex-wrap:wrap;align-items:center;gap:.7rem;margin:1.75rem 0 0;display:flex}.btn{border:1px solid var(--ink-strong);border-radius:var(--r-full);background:var(--ink-strong);color:var(--paper);box-shadow:var(--shadow-sm);font-family:var(--sans);padding:.75rem 1.45rem;font-size:1.02rem;font-weight:600;text-decoration:none;transition:background .18s,border-color .18s;display:inline-block}.btn:hover{background:var(--brass);border-color:var(--brass)}.btn--ghost{border-color:var(--line);color:var(--ink-strong);box-shadow:none;background:0 0}.btn--ghost:hover{background:var(--surface);border-color:var(--brass-line);color:var(--brass)}.sect{border-top:1px solid var(--line);margin-top:clamp(2.25rem,5vw,3.25rem);padding-top:1.4rem;position:relative}.sect:before{content:"";background:var(--brass);width:3.25rem;height:1px;position:absolute;top:-1px;left:0}.sect h2{color:var(--ink-strong);margin:.25rem 0 0;font-size:clamp(1.4rem,3.4vw,1.8rem);font-weight:600;line-height:1.16}.more{font-family:var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:.9rem 0 0;font-size:.665rem}.sect__d{max-width:44rem;color:var(--muted);margin:.45rem 0 0;font-size:1.02rem;line-height:1.6}.cards{gap:1rem;margin:1.4rem 0 0;padding:0;list-style:none;display:grid}@media (min-width:46rem){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}.cards a{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);height:100%;box-shadow:var(--shadow-sm);color:inherit;flex-direction:column;gap:.55rem;padding:clamp(1rem,2.5vw,1.3rem);text-decoration:none;transition:box-shadow .18s,border-color .18s,transform .18s;display:flex}.cards a:hover{border-color:var(--brass-line);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.cards h3{font-family:var(--sans);color:var(--ink-strong);margin:0;font-size:1.16rem;font-weight:600;line-height:1.22}.cards a:hover h3{color:var(--brass)}.cards p{color:var(--muted);margin:0;font-size:1rem;line-height:1.55}.rows{margin:1.3rem calc(var(--box-pad) * -1) 0;padding:0;list-style:none}.rows>li+li{border-top:1px solid var(--line-soft)}.rows a{padding:.9rem var(--box-pad);border-radius:var(--r-md);color:inherit;gap:.3rem;text-decoration:none;display:grid}.rows a:hover{background:var(--surface);box-shadow:var(--shadow-sm)}.row__t{font-family:var(--sans);color:var(--ink-strong);font-size:1.04rem;font-weight:600}.rows a:hover .row__t{color:var(--brass)}.row__x{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.96rem;line-height:1.5;display:-webkit-box;overflow:hidden}.meta{flex-wrap:wrap;gap:.35rem;margin:auto 0 0;padding:.3rem 0 0;list-style:none;display:flex}.meta li{border:1px solid var(--line-soft);border-radius:var(--r-full);background:var(--paper);font-family:var(--mono);letter-spacing:.075em;text-transform:uppercase;color:var(--muted);white-space:nowrap;padding:.2rem .5rem;font-size:.655rem}@media (prefers-reduced-motion:reduce){.cards a:hover{transform:none}}.band{padding-block:clamp(1rem,3vw,2rem) 0}.shot{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--wash), var(--surface);box-shadow:var(--shadow-lg);-webkit-overflow-scrolling:touch;padding:clamp(.9rem,2.5vw,1.6rem);overflow-x:auto}.shot__in svg{width:100%;height:auto;display:block}.band__cap{text-align:center;color:var(--muted);margin:.85rem 0 0;font-size:.95rem;line-height:1.55}.band__cap a{color:var(--ink-strong)}.band__cap a:hover{color:var(--brass)}.tracks{gap:1.1rem;margin:1.5rem 0 0;padding:0;list-style:none;display:grid}@media (min-width:46rem){.tracks{grid-template-columns:repeat(2,minmax(0,1fr))}}.tracks>li[data-kind=core-concepts]{--tint:#2c6e9f;--deck:#0d84ec;--deck-ink:#fff}.tracks>li[data-kind=patterns]{--tint:#d98300;--deck:#fd9d02;--deck-ink:#47280a}.tracks a{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);height:100%;color:inherit;box-shadow:var(--shadow-sm);padding:1.1rem 1.15rem 1.3rem;text-decoration:none;transition:box-shadow .2s,transform .2s,border-color .2s;display:block;overflow:hidden}.tracks a:hover{border-color:var(--tint);box-shadow:var(--shadow-lg);transform:translateY(-3px)}.tile__art{background-color:color-mix(in oklab, var(--tint) 7%, var(--surface));background-image:repeating-linear-gradient(to bottom, transparent 0 17px, color-mix(in oklab, var(--tint) 20%, transparent) 17px 18px);height:9.5rem;margin:-1.1rem -1.15rem 1.05rem;padding:1.1rem;display:block}.deck{height:100%;display:block;position:relative}.deck i{border:1px solid color-mix(in oklab, var(--deck) 52%, var(--surface));background:color-mix(in oklab, var(--deck) 34%, var(--surface));width:62%;height:5.3rem;box-shadow:4px 5px 0 color-mix(in oklab, var(--deck) 14%, transparent);border-radius:7px;position:absolute;top:.8rem;left:1rem}.deck i:first-child{transform:translate(2.4rem,-.5rem)}.deck i:nth-child(2){transform:translate(1.6rem,-.25rem)}.deck i:nth-child(3){transform:translate(.8rem)}.deck i.deck__top{background:var(--deck);border-color:color-mix(in oklab, var(--deck) 70%, black);box-shadow:5px 6px 0 color-mix(in oklab, var(--deck) 22%, transparent);font-family:var(--pixel);color:var(--deck-ink);align-items:end;padding:0 0 .5rem .65rem;font-size:.72rem;display:grid}.tracks__k{font-family:var(--pixel);letter-spacing:.12em;text-transform:uppercase;color:var(--tint);font-size:.68rem;display:block}.tracks__d{color:var(--muted);margin-top:.45rem;font-size:1.06rem;line-height:1.5;display:block}@media (prefers-reduced-motion:reduce){.tracks a:hover{transform:none}}.rows+.more{padding-left:var(--box-pad)}.plain--two h2{margin-bottom:.9rem}@media (min-width:46rem){.plain--two .p2{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 2.5rem;display:grid}.plain--two .p2 p{max-width:none;margin-bottom:0}}.hero--home+.band{padding-top:clamp(1.25rem,2.5vw,1.75rem)}.subscribe+.sitefoot{margin-top:0}.masthead h1{font-family:var(--display);font-variation-settings:"opsz" 96, "SOFT" 0, "WONK" 0;letter-spacing:-.018em}.hero h1,.sect h2,.plain h2,.subscribe h2,.cards h3{font-family:"Manrope", var(--sans);letter-spacing:-.03em;font-weight:800}.eyebrow,.more,.tracks__k,.meta li,.h1__mono{font-family:var(--pixel)}.h1__mono{letter-spacing:-.01em}.stage:before{content:"";z-index:0;pointer-events:none;background:radial-gradient(38% 42% at 50% 22%, var(--glow-warm) 0%, transparent 68%), radial-gradient(34% 40% at 8% 34%, var(--glow-cool) 0%, transparent 70%), radial-gradient(36% 44% at 94% 44%, var(--glow-cool) 0%, transparent 70%), radial-gradient(60% 50% at 50% 0%, var(--surface) 0%, transparent 72%);position:absolute;inset:-6rem 0 0;-webkit-mask-image:linear-gradient(#000 0 62%,#0000 100%);mask-image:linear-gradient(#000 0 62%,#0000 100%)}.stage{position:relative;overflow-x:clip}.hero--home{z-index:1;position:relative}.scatter{z-index:0;pointer-events:none;position:absolute;inset:0}.scatter__c{width:clamp(23rem,50vw - 22.5rem,36rem);position:absolute}.scatter__c .shot{box-shadow:var(--shadow-lg);opacity:.7}.scatter__c--l{top:4.5rem;left:-3.5rem;transform:rotate(-4deg);-webkit-mask-image:linear-gradient(100deg,#0000 0%,#000 24%);mask-image:linear-gradient(100deg,#0000 0%,#000 24%)}.scatter__c--r{top:11.5rem;right:-3.5rem;transform:rotate(3.2deg);-webkit-mask-image:linear-gradient(260deg,#0000 0%,#000 24%);mask-image:linear-gradient(260deg,#0000 0%,#000 24%)}@media (max-width:82rem){.scatter{display:none}}.h1__mono{margin-left:.12em}.src{border-radius:var(--r-sm);color:var(--muted);vertical-align:-.25em;align-items:center;margin-left:.5rem;padding:.2rem;transition:color .16s,background .16s;display:inline-flex}.src:hover{color:var(--brass);background:var(--brass-soft)}.reels{margin-top:clamp(1.5rem,3vw,2.25rem);width:100vw;margin-inline:calc(50% - 50vw)}.reel{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 9% 91%,#0000);mask-image:linear-gradient(90deg,#0000,#000 9% 91%,#0000)}.reel__t{gap:.9rem;width:max-content;animation:96s linear infinite reel;display:flex}.reels:hover .reel__t{animation-play-state:paused}@keyframes reel{0%{transform:translate(0)}to{transform:translate(-50%)}}.reel__c{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--wash), var(--surface);width:26rem;box-shadow:var(--shadow-sm);flex:none;padding:.7rem .8rem}.reel__c svg{width:100%;height:auto;display:block}@media (prefers-reduced-motion:reduce){.reel__t{animation:none}.reel{overflow-x:auto}}:is(.band,.sect:has(.tracks)){position:relative}.band:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(58% 58% at 6% 48%, var(--glow-cool) 0%, transparent 74%), radial-gradient(60% 60% at 96% 52%, var(--glow-warm) 0%, transparent 74%);position:absolute;inset:-14% 0}.sect:has(.tracks):before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(58% 58% at 6% 48%, var(--glow-cool) 0%, transparent 74%), radial-gradient(60% 60% at 96% 52%, var(--glow-warm) 0%, transparent 74%);position:absolute;inset:-14% 0}.sect[data-kind=problem-breakdowns]{--tint:var(--ink-strong);--deck:var(--ink-strong)}.sect[data-kind=core-concepts]{--tint:#2c6e9f;--deck:#0d84ec}.sect[data-kind=patterns]{--tint:#d98300;--deck:#fd9d02}.sect[data-kind=interview-craft]{--tint:#6b5aa8;--deck:#7c63d8}.sect[data-kind=core-concepts]:before,.sect[data-kind=patterns]:before,.sect[data-kind=interview-craft]:before{background:var(--deck);width:4.5rem;height:2px}.sect[data-kind]>h2{color:var(--ink-strong)}.sect[data-kind] .rows a{transition:background .14s,box-shadow .14s;box-shadow:inset 2px 0 #0000}.sect[data-kind] .rows a:hover{background:var(--surface);box-shadow:inset 2px 0 0 var(--deck), var(--shadow-sm)}.sect[data-kind] .rows a:hover .row__t{color:var(--tint)}.sect[data-kind] .cards a:hover{border-color:var(--deck)}.sect[data-kind] .cards a:hover h3{color:var(--tint)}.hero--lit{position:relative}.hero--lit:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(46% 62% at 12% 44%, var(--glow-warm) 0%, transparent 72%), radial-gradient(48% 64% at 88% 52%, var(--glow-cool) 0%, transparent 72%);position:absolute;inset:-30% 0 -10%}.toc--plain{--pre:#0d84ec;--pre-dim:#2c6e9f;border:1px solid var(--line);border-left:3px solid var(--pre);border-radius:0 var(--r-lg) var(--r-lg) 0;background:color-mix(in oklab, var(--pre-dim) 4%, var(--surface));box-shadow:var(--shadow-sm);padding:.9rem 1.1rem .95rem}.toc--plain .eyebrow{border:1px solid color-mix(in oklab, var(--pre-dim) 40%, var(--surface));border-radius:var(--r-full);background:color-mix(in oklab, var(--pre-dim) 12%, var(--surface));color:var(--pre-dim);justify-self:start;padding:.22rem .55rem}.toc--plain ul{border-top:0;margin:.7rem 0 0}.toc--plain li+li{border-top:1px solid var(--line-soft)}.toc--plain a{border-radius:var(--r-sm);border-bottom:0;align-items:baseline;gap:.6rem;padding:.5rem 0;display:flex}.toc--plain a:before{content:"";background:var(--pre);border-radius:1px;flex:none;width:5px;height:5px;transform:rotate(45deg)translateY(-.28em)}.toc--plain a:hover{background:0 0}.toc--plain a:hover .toc__t{color:var(--pre)}.artnav{background:0 0;border-block:0;gap:1rem;margin-top:3rem}.artnav a{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm);gap:.4rem;padding:.95rem 1.1rem 1.05rem;transition:box-shadow .16s,border-color .16s,transform .16s}.artnav a:hover{background:var(--surface);border-color:var(--ink);box-shadow:var(--shadow-md);transform:translateY(-2px)}.artnav a:hover .artnav__t{color:var(--ink-strong)}.artnav a:first-child .eyebrow:before{content:"←";margin-right:.45em}.artnav a:nth-child(2) .eyebrow:after{content:"→";margin-left:.45em}.artnav a .eyebrow{color:var(--muted);transition:color .16s}.artnav a:hover .eyebrow{color:var(--ink-strong)}@media (prefers-reduced-motion:reduce){.artnav a{transition:none}.artnav a:hover{transform:none}}.topbar{border-bottom-color:var(--line)}.topbar .brand{margin-block:0}.hplate .shot{border-bottom:0;border-bottom-right-radius:0;border-bottom-left-radius:0}.dial{border:1px solid var(--line);border-top:1px solid var(--line-soft);border-radius:0 0 var(--r-lg) var(--r-lg);background:var(--wash), var(--surface);box-shadow:var(--shadow-lg);gap:.55rem;padding:.85rem clamp(.9rem,2.5vw,1.6rem) 1rem;display:grid}.dial__lab{font-family:var(--pixel);letter-spacing:.12em;text-transform:uppercase;color:var(--brass);font-size:.66rem}.dial__slide{appearance:none;cursor:ew-resize;background:0 0;width:100%;height:22px;margin:0}.dial__slide::-webkit-slider-runnable-track{background:var(--line);height:2px}.dial__slide::-moz-range-track{background:var(--line);height:2px}.dial__slide::-webkit-slider-thumb{-webkit-appearance:none;border:2px solid var(--surface);background:var(--brass);width:14px;height:14px;box-shadow:0 1px 3px color-mix(in oklab, var(--brass) 45%, transparent);border-radius:50%;margin-top:-6px}.dial__slide::-moz-range-thumb{border:2px solid var(--surface);background:var(--brass);border-radius:50%;width:14px;height:14px}.dial__slide:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:var(--r-sm)}.dial__out{font-variant-numeric:tabular-nums;grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:.5rem 1.1rem;margin:0;display:grid}.dial__out dt{font-family:var(--pixel);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.6rem}.dial__out dd{font-family:var(--mono);color:var(--ink-strong);margin:.1rem 0 0;font-size:1rem}.dial__out .is-worst dd{color:var(--brass);font-weight:600}.dial__note{color:var(--muted);margin:0;font-size:.86rem;line-height:1.5}.hplate .o7d-b,.hplate .o7d-bh{transform-box:fill-box;transform-origin:50% 100%;transition:transform .85s cubic-bezier(.2,.8,.2,1);transform:scaleY(0)}.hplate.is-in .o7d-b,.hplate.is-in .o7d-bh{transform:scaleY(1)}.hplate .o7d-b:nth-of-type(2){transition-delay:70ms}.hplate .o7d-b:nth-of-type(3){transition-delay:.14s}.hplate .o7d-b:nth-of-type(4){transition-delay:.21s}.hplate .o7d-bh{transition-delay:.28s}.hplate .is-near{stroke-width:3px;filter:drop-shadow(0 0 5px color-mix(in oklab, var(--brass) 55%, transparent))}@keyframes o7-drift-l{0%,to{transform:rotate(-4deg)translate(0,0)}50%{transform:rotate(-3.2deg)translate(7px,-10px)}}@keyframes o7-drift-r{0%,to{transform:rotate(3.2deg)translate(0,0)}50%{transform:rotate(2.5deg)translate(-8px,9px)}}.scatter__c--l{animation:23s ease-in-out infinite o7-drift-l}.scatter__c--r{animation:27s ease-in-out infinite o7-drift-r}@media (prefers-reduced-motion:reduce){.scatter__c--l,.scatter__c--r{animation:none}.hplate .o7d-b,.hplate .o7d-bh{transition:none;transform:scaleY(1)}}.rot{text-align:left;display:inline-block;position:relative}.rot__sizer{visibility:hidden}.rot__w{white-space:nowrap;transition:opacity .4s,transform .4s;position:absolute;inset:0}.rot__w[data-on=false]{opacity:0;pointer-events:none;transform:translateY(-.1em)}.rot__w[data-on=true]{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.rot__w{transition:none}}.cited{border-top:1px solid var(--line-soft);justify-items:center;gap:.75rem;margin:2rem 0 0;padding-top:1.4rem;display:grid}.cited__reel{width:100%;max-width:38rem;padding-block:.85rem;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 10% 90%,#0000);mask-image:linear-gradient(90deg,#0000,#000 10% 90%,#0000)}.cited__track{align-items:center;gap:2.6rem;width:max-content;margin:0;padding:0;list-style:none;animation:49s linear infinite o7-cited;display:flex}.cited__reel:hover .cited__track{animation-play-state:paused}@keyframes o7-cited{0%{transform:translate(0)}to{transform:translate(-50%)}}.cited__track li{flex:none;place-items:center;display:grid}.cited__track .mk{transform-origin:50%;width:auto;max-width:5rem;height:1.45rem;transform:scale(calc(.86 + var(--t,0) * .76));display:block}.cited__track .mk--dark{display:none}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .cited__track li[data-dark] .mk--light{display:none}:root:not([data-theme=light]) .cited__track li[data-dark] .mk--dark{display:block}}:root[data-theme=dark] .cited__track li[data-dark] .mk--light{display:none}:root[data-theme=dark] .cited__track li[data-dark] .mk--dark,:root[data-theme=light] .cited__track .mk--light{display:block}:root[data-theme=light] .cited__track .mk--dark{display:none}@media (prefers-reduced-motion:reduce){.cited__track{animation:none}.cited__track .mk{opacity:.9;transform:none}}.cited__cap{font-family:var(--pixel);letter-spacing:.1em;text-transform:uppercase;color:var(--brass);text-align:center;margin:0;font-size:.63rem}@media (prefers-reduced-motion:reduce){.cited__track{animation:none}.cited__reel{overflow-x:auto}}@media (max-width:24rem){.navseg__a{padding-inline:.5rem;font-size:.76rem}}.tracks>li[data-kind=dsa]{--tint:#2c6e9f;--deck:#0d84ec;--deck-ink:#fff}.tracks>li[data-kind=system-design]{--tint:#d98300;--deck:#fd9d02;--deck-ink:#47280a}.tracks__t{font-family:"Manrope", var(--sans);letter-spacing:-.02em;color:var(--ink-strong);margin-top:.35rem;font-size:1.3rem;font-weight:800;line-height:1.2;display:block}.tracks a:hover .tracks__t{color:var(--tint)}.tracks .meta{margin-top:.9rem;padding:0}.tracks--courses .tile__art{height:10.5rem}.minimap{--mm-card:#fff;--mm-bg:#f7fafc;--mm-dot:#d3dde6;--mm-edge:#b3c2cf;--mm-blue:#0d84ec;--mm-easy:#22c55e;--mm-medium:#fd9d02;--mm-hard:#f04438;background:linear-gradient(180deg, var(--mm-bg), var(--mm-card));border-radius:10px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .minimap{--mm-card:#10202c;--mm-bg:#0d1b26;--mm-dot:#1f3445;--mm-edge:#3d5567;--mm-blue:#4ba3ff;--mm-easy:#4ade80;--mm-medium:#ffb13b;--mm-hard:#f97066}}:root[data-theme=dark] .minimap{--mm-card:#10202c;--mm-bg:#0d1b26;--mm-dot:#1f3445;--mm-edge:#3d5567;--mm-blue:#4ba3ff;--mm-easy:#4ade80;--mm-medium:#ffb13b;--mm-hard:#f97066}.shot--map{padding:.6rem}.minimap .mm__dot{fill:var(--mm-dot)}.minimap .mm__e{fill:none;stroke:var(--mm-edge);stroke-width:1.6px}.minimap .mm__arrow{fill:var(--mm-edge)}.minimap .mm__card{fill:var(--mm-card)}.minimap .mm__line{fill:none;stroke:var(--line);stroke-width:1px}.minimap .mm__edge{fill:var(--mm-blue)}.minimap .mm__no{fill:color-mix(in oklab, var(--mm-blue) 16%, transparent)}.minimap .mm__not{font:700 10.5px var(--mono);fill:color-mix(in oklab, var(--mm-blue) 80%, var(--ink-strong));text-anchor:middle}.minimap .mm__t{font:700 14px var(--sans);fill:var(--ink-strong)}.minimap .mm__m{font:400 11.2px var(--sans);fill:var(--muted)}.minimap .mm__d--Easy{fill:var(--mm-easy)}.minimap .mm__d--Medium{fill:var(--mm-medium)}.minimap .mm__d--Hard{fill:var(--mm-hard)}.wrap--wide{max-width:100rem}.tracks>li[data-kind=problem-breakdowns]{--tint:#c11574;--deck:#e8489e;--deck-ink:#fff}.tracks>li[data-kind=interview-craft]{--tint:#6b5aa8;--deck:#7a5af8;--deck-ink:#fff}@media (min-width:46rem){.tracks--pick{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}}.tracks--pick{margin-top:clamp(2.5rem,5vw,3.5rem)}.tracks--pick .tile__art{height:7.5rem}.tracks--pick .deck i{height:4.2rem}.sdsec{--sec:var(--brass);margin-top:clamp(2.25rem,4vw,3rem);scroll-margin-top:5.5rem}.sdsec[data-kind=problem-breakdowns]{--sec:#e8489e}.sdsec[data-kind=core-concepts]{--sec:#0d84ec}.sdsec[data-kind=patterns]{--sec:#fd9d02}.sdsec[data-kind=interview-craft]{--sec:#7a5af8}.sdsec__head{align-items:baseline;gap:.75rem;display:flex}.sdsec h2{font-family:"Manrope", var(--sans);letter-spacing:-.03em;color:var(--ink-strong);margin:0;font-size:clamp(1.35rem,2.6vw,1.7rem);font-weight:800}.sdsec__n{background:color-mix(in oklab, var(--sec) 14%, transparent);font-family:var(--mono);color:color-mix(in oklab, var(--sec) 80%, var(--ink-strong));border-radius:999px;padding:.1rem .55rem;font-size:.75rem;font-weight:700}.sdsec__d{max-width:46rem;color:var(--muted);margin:.35rem 0 0;font-size:1rem;line-height:1.55}.sdlist{border:1px solid var(--line);background:var(--surface);border-radius:14px;margin:.9rem 0 0;padding:0;list-style:none;overflow:hidden;box-shadow:0 1px 2px #0a1f330a,0 12px 32px -18px #0a1f3340}.sdrow{grid-template-columns:2.2rem minmax(0,18rem) minmax(0,1fr) auto;align-items:center;gap:1rem;min-height:3.1rem;padding:.55rem 1.1rem;display:grid;position:relative}.sdrow+.sdrow{border-top:1px solid var(--line-soft)}.sdrow:hover{background:var(--brass-soft);box-shadow:inset 3px 0 0 var(--sec)}.sdlist__t{font-family:"Manrope", var(--sans);letter-spacing:-.01em;color:var(--ink-strong);font-size:1rem;font-weight:700;text-decoration:none}.sdlist__t:after{content:"";position:absolute;inset:0}.sdrow:hover .sdlist__t{color:var(--brass)}.sdlist__no{background:color-mix(in oklab, var(--sec) 14%, transparent);width:2rem;height:1.4rem;font-family:var(--mono);color:color-mix(in oklab, var(--sec) 80%, var(--ink-strong));border-radius:6px;place-items:center;font-size:.72rem;font-weight:700;display:inline-grid}.sdrow:hover .sdlist__no{background:var(--sec);color:#fff}.sdrel{z-index:1;flex-wrap:wrap;align-items:center;gap:.35rem;min-width:0;display:flex;position:relative}.sdrel__k{font-family:var(--pixel);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-right:.2rem;font-size:.6rem}.sdrel__c{border:1px solid var(--line);background:var(--paper);font-family:var(--sans);color:var(--ink);white-space:nowrap;border-radius:999px;padding:.12rem .55rem;font-size:.78rem;font-weight:550;text-decoration:none}.sdrel__c:hover{border-color:var(--brass-line);background:var(--brass-soft);color:var(--brass)}.sdrel__more{font-family:var(--mono);color:var(--muted);font-size:.72rem}.sdrow .meta{margin:0;padding:0}@media (max-width:48rem){.sdrow{grid-template-columns:2.2rem minmax(0,1fr);padding-inline:.8rem}.sdrel,.sdrow .meta{grid-column:2}}#catalogue>.more{margin-top:1.25rem}.hero--home h1:has(.h1__line){width:min(84rem,100vw - 2.5rem);max-width:none;margin-left:50%;transform:translate(-50%)}.hero--home h1 .h1__main{white-space:nowrap}.hero--home h1:has(.h1__line) .rot{white-space:nowrap}@media (max-width:40rem){.hero--home h1 .h1__main{white-space:normal}.hero--home h1 .h1__line .rot{display:block}}.hero--home h1 .h1__ghost{visibility:hidden;white-space:nowrap;vertical-align:bottom;width:3.56em;display:inline-block;overflow:hidden}@media (max-width:79.99rem){.hero--home h1 .h1__ghost{display:none}}.hero.hero--home .lede{margin-inline:auto}.treel{justify-items:center;gap:.6rem;margin-top:1.1rem;display:grid}.treel__mask{width:100%;max-width:44rem;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 12% 88%,#0000);mask-image:linear-gradient(90deg,#0000,#000 12% 88%,#0000)}.treel__track{gap:.5rem;width:max-content;margin:0;padding:0;list-style:none;animation:90s linear infinite reverse o7-cited;display:flex}.treel__mask:hover .treel__track{animation-play-state:paused}.treel__track li{border:1px solid var(--brass-line);background:var(--brass-soft);font-family:"Manrope", var(--sans);color:var(--brass);white-space:nowrap;border-radius:999px;padding:.3rem .8rem;font-size:.82rem;font-weight:700}@media (prefers-reduced-motion:reduce){.treel__track{animation:none}}.hero.hero--home:has(.h1__line) .lede{max-width:41.5rem}.hero--home .lede .nowrap{white-space:nowrap}.hero.hero--home .lede--wide{text-wrap:balance;max-width:46rem}@media (max-width:40rem){.hero--home h1 .rot{text-align:center;display:block}.hero--home h1 .rot__w{text-align:center}.dial__out dt{white-space:nowrap;letter-spacing:.02em}.sitefoot p:last-child{margin-left:0}.subscribe__form button{flex:100%}}
.shell:has(.dsa) .sitefoot .wrap{max-width:100rem}@font-face{font-family:Caveat;src:url(/fonts/caveat.woff2)format("woff2");font-weight:500 700;font-style:normal;font-display:swap}.dsa{--d-blue:#0d84ec;--d-blue-ink:#0a6cc4;--d-blue-soft:#0d84ec14;--d-blue-soft-2:#0d84ec24;--d-blue-line:#0d84ec59;--d-orange:#fd9d02;--d-orange-ink:#b76b00;--d-orange-soft:#fd9d021f;--d-orange-line:#fd9d0273;--d-easy:#22c55e;--d-easy-ink:#16a34a;--d-medium:#fd9d02;--d-medium-ink:#d98300;--d-hard:#f04438;--d-hard-ink:#d92d20;--t-basics:#06aed4;--t-linear:#0d84ec;--t-recursive:#fd9d02;--t-graphs:#7a5af8;--t-optimise:#e8489e;--d-edge:#b3c2cf;--d-dots:#d3dde6;--d-card:#fff;--d-card-2:#f7fafc}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .dsa{--d-blue:#4ba3ff;--d-blue-ink:#7dbcff;--d-blue-soft:#4ba3ff1a;--d-blue-soft-2:#4ba3ff2e;--d-blue-line:#4ba3ff66;--d-orange:#ffb13b;--d-orange-ink:#ffc26b;--d-orange-soft:#ffb13b21;--d-orange-line:#ffb13b73;--d-easy:#4ade80;--d-easy-ink:#86efac;--d-medium:#ffb13b;--d-medium-ink:#ffc56b;--d-hard:#f97066;--d-hard-ink:#fda29b;--t-basics:#2ce;--t-linear:#4ba3ff;--t-recursive:#ffb13b;--t-graphs:#9b8afb;--t-optimise:#f670c7;--d-edge:#3d5567;--d-dots:#1f3445;--d-card:#10202c;--d-card-2:#0d1b26}}:root[data-theme=dark] .dsa{--d-blue:#4ba3ff;--d-blue-ink:#7dbcff;--d-blue-soft:#4ba3ff1a;--d-blue-soft-2:#4ba3ff2e;--d-blue-line:#4ba3ff66;--d-orange:#ffb13b;--d-orange-ink:#ffc26b;--d-orange-soft:#ffb13b21;--d-orange-line:#ffb13b73;--d-easy:#4ade80;--d-easy-ink:#86efac;--d-medium:#ffb13b;--d-medium-ink:#ffc56b;--d-hard:#f97066;--d-hard-ink:#fda29b;--t-basics:#2ce;--t-linear:#4ba3ff;--t-recursive:#ffb13b;--t-graphs:#9b8afb;--t-optimise:#f670c7;--d-edge:#3d5567;--d-dots:#1f3445;--d-card:#10202c;--d-card-2:#0d1b26}.dsa [data-track]{--t:var(--d-blue)}.dsa [data-diff=Easy]{--c:var(--d-easy);--c-ink:var(--d-easy-ink)}.dsa [data-diff=Medium]{--c:var(--d-medium);--c-ink:var(--d-medium-ink)}.dsa [data-diff=Hard]{--c:var(--d-hard);--c-ink:var(--d-hard-ink)}.dsa{--row:2.4rem;isolation:isolate;max-width:100rem;font-family:var(--sans);color:var(--ink);margin-inline:auto;padding:clamp(1.25rem,3vw,2rem) clamp(1rem,3vw,2.5rem) 0;font-size:.9rem;position:relative}.dsa:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(40rem 18rem at 8% 0%, var(--d-blue-soft-2), transparent 70%), radial-gradient(34rem 16rem at 92% 10%, var(--d-orange-soft), transparent 70%);height:26rem;position:absolute;inset:0 0 auto}.dsa button{font:inherit}.dsa .dhead{align-items:start;gap:1.25rem 2.5rem;margin-top:1.1rem;display:grid}@media (min-width:62rem){.dsa .dhead{grid-template-columns:minmax(0,1fr) minmax(24rem,30rem)}}.dsa .dtabs{border:1px solid var(--line);background:var(--d-card);box-shadow:var(--shadow-sm);border-radius:999px;gap:2px;padding:3px;display:inline-flex}.dsa .dtabs a{color:var(--muted);border-radius:999px;padding:.32rem .9rem;font-size:.82rem;font-weight:600;text-decoration:none}.dsa .dtabs a:hover{color:var(--d-blue);background:var(--d-blue-soft)}.dsa .dtabs a[aria-current=page]{background:var(--d-blue);color:#fff;box-shadow:0 2px 8px var(--d-blue-line)}.dsa h1{font-family:"Manrope", var(--sans);letter-spacing:-.035em;color:var(--ink-strong);margin:0;font-size:clamp(1.95rem,3.4vw,2.75rem);font-weight:800;line-height:1.04}.dsa .dhead__lede{max-width:46rem;color:var(--muted);margin:.6rem 0 0;font-size:.95rem;line-height:1.55}.dsa .dstats{border:1px solid var(--line);background:var(--d-card);box-shadow:0 1px 2px #0a1f330a, 0 10px 30px -12px var(--d-blue-line);border-radius:14px;grid-template-rows:auto auto 2.4rem;gap:.95rem;padding:1.05rem 1.15rem;display:grid;position:relative;overflow:hidden}.dsa .dstats:before{content:"";background:linear-gradient(90deg, var(--d-blue), var(--d-orange));height:3px;position:absolute;inset:0 0 auto}.dsa .dstats__nums{grid-auto-columns:1fr;grid-auto-flow:column;margin:0;display:grid}.dsa .dstats__nums>div+div{border-left:1px solid var(--line-soft);padding-left:.9rem}.dsa .dstats dt{font-family:var(--pixel);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-size:.6rem}.dsa .dstats dd{font-family:"Manrope", var(--sans);letter-spacing:-.03em;color:var(--ink-strong);font-variant-numeric:tabular-nums;margin:.2rem 0 0;font-size:1.85rem;font-weight:800;line-height:1}.dsa .dstats__nums>div:last-child dd{color:var(--d-blue)}.dsa .dstats__split{gap:.45rem;display:grid}.dsa .dstats__split .dbar{width:100%;height:.5rem}.dsa .dstats__split ul{color:var(--muted);flex-wrap:wrap;gap:.3rem 1rem;margin:0;padding:0;font-size:.78rem;list-style:none;display:flex}.dsa .dstats__split li{align-items:center;gap:.35rem;display:inline-flex}.dsa .dstats__split li i{background:var(--c);border-radius:3px;width:.55rem;height:.55rem}.dsa .dstats__split li b{color:var(--ink-strong);font-weight:650}.dsa .dstats__cta{color:#2a1700;background:linear-gradient(135deg,#fd9d02,#ffb43a);border-radius:999px;justify-self:start;align-items:center;gap:.4rem;padding:.45rem .9rem;font-size:.84rem;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .15s,filter .15s;display:inline-flex;box-shadow:0 1px 2px #0a1f3314,0 6px 16px -8px #fd9d02b3}.dsa .dstats__cta span{transition:transform .15s}.dsa .dstats__cta:hover{filter:brightness(1.04)saturate(1.1);transform:translateY(-1px);box-shadow:0 1px 2px #0a1f3314,0 10px 22px -8px #fd9d02cc}.dsa .dstats__cta:hover span{transform:translate(3px)}@media (prefers-reduced-motion:reduce){.dsa .dstats__cta,.dsa .dstats__cta span{transition:none}.dsa .dstats__cta:hover,.dsa .dstats__cta:hover span{transform:none}}.dsa .dstats__foot{color:var(--muted);align-self:center;margin:0;font-size:.78rem}.dsa .dstats__cta{align-self:center}.dsa .dbar{gap:2px;width:6.5rem;height:.38rem;display:flex}.dsa .dbar i{background:var(--c);border-radius:999px;min-width:3px;display:block}.dsa .diff{background:color-mix(in oklab, var(--c) 14%, transparent);color:var(--c-ink);white-space:nowrap;border-radius:999px;justify-self:end;align-items:center;gap:.35rem;padding:.14rem .55rem .14rem .45rem;font-size:.74rem;font-weight:650;display:inline-flex}.dsa .diff:before{content:"";background:var(--c);border-radius:50%;width:.45rem;height:.45rem}.dsa{--tool-h:2.6rem}.dsa .dtool{min-height:var(--tool-h);justify-content:space-between;align-items:center;gap:1rem;margin:1.75rem 0 .7rem;display:flex}.dsa .segwrap{display:inline-flex;position:relative}.dsa .maphint{--hint:var(--d-blue);color:var(--hint);white-space:nowrap;cursor:pointer;background:0 0;border:0;align-items:flex-end;gap:.2rem;padding:0;animation:.4s ease-out .5s both maphint-in;display:flex;position:absolute;bottom:.9rem;left:calc(100% + .1rem)}.dsa .maphint__arrow{flex:none;margin-bottom:-1.5rem;overflow:visible}.dsa .maphint__line,.dsa .maphint__head{fill:none;stroke:currentColor;stroke-width:2.3px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1px}.dsa .maphint__line{animation:1s ease-in-out .7s forwards maphint-draw}.dsa .maphint__head{animation:.25s ease-out 1.65s forwards maphint-draw}.dsa .maphint__t{text-align:left;transform-origin:0 100%;padding-bottom:2.4rem;font-family:Caveat,Comic Sans MS,cursive;font-size:1.35rem;font-weight:600;line-height:.95;display:inline-block;transform:rotate(-4deg)}.dsa .maphint:hover{--hint:var(--d-blue-ink)}.dsa .maphint:hover .maphint__t{text-underline-offset:.2em;-webkit-text-decoration:underline wavy;text-decoration:underline wavy;text-decoration-thickness:1px}@keyframes maphint-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes maphint-draw{to{stroke-dashoffset:0}}@media (prefers-reduced-motion:reduce){.dsa .maphint{animation:none}.dsa .maphint__line,.dsa .maphint__head{stroke-dashoffset:0;animation:none}}@media (max-width:48rem){.dsa .maphint{display:none}}.dsa .seg{border:1px solid var(--line);background:var(--d-card);border-radius:999px;gap:2px;padding:3px;display:inline-flex}.dsa .seg button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:.28rem .95rem;font-size:.82rem;font-weight:600}.dsa .seg button:hover{color:var(--d-blue)}.dsa .seg button[aria-pressed=true]{background:var(--ink-strong);color:var(--paper)}.dsa .ibtn{border:1px solid var(--line);background:var(--d-card);width:2.2rem;height:2.2rem;color:var(--muted);cursor:pointer;border-radius:999px;place-items:center;display:grid}.dsa .ibtn:hover{color:var(--d-blue);border-color:var(--d-blue-line);background:var(--d-blue-soft)}.dsa .lnk{color:var(--d-blue);cursor:pointer;background:0 0;border:0;padding:0;font-size:.82rem}.dsa .acc{border:1px solid var(--line);background:var(--d-card);border-radius:14px;overflow:hidden;box-shadow:0 1px 2px #0a1f330a,0 12px 32px -18px #0a1f3340}.dsa details>summary{cursor:pointer;list-style:none}.dsa details>summary::-webkit-details-marker{display:none}.dsa .chev{color:var(--muted);flex:none;transition:transform .15s}.dsa details[open]>summary>.chev{color:var(--d-blue);transform:rotate(90deg)}.dsa .acc__t{scroll-margin-top:5rem;position:relative}.dsa .acc__t+.acc__t{border-top:1px solid var(--line-soft)}.dsa .acc__t[open]:before{content:"";background:var(--t);width:3px;position:absolute;inset:0 auto 0 0}.dsa .acc__t>summary{grid-template-columns:14px 2rem minmax(0,max-content) minmax(0,1fr) auto 6.5rem 3.4rem;align-items:center;gap:.8rem;min-height:2.6rem;padding:0 1.1rem;display:grid}.dsa .acc__t>summary:hover{background:var(--d-blue-soft)}.dsa .acc__t[open]>summary{background:color-mix(in oklab, var(--t) 8%, transparent)}.dsa .acc__no{background:color-mix(in oklab, var(--t) 14%, transparent);width:2rem;height:1.45rem;font-family:var(--mono);color:color-mix(in oklab, var(--t) 80%, var(--ink-strong));border-radius:6px;place-items:center;font-size:.72rem;font-weight:600;display:inline-grid}.dsa .acc__t[open] .acc__no{background:var(--t);color:#fff}.dsa .acc__tt{color:var(--ink-strong);white-space:nowrap;font-size:.95rem;font-weight:650}.dsa .acc__req{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.78rem;overflow:hidden}.dsa .acc__req--start{background:color-mix(in oklab, var(--d-easy) 14%, transparent);color:var(--d-easy-ink);border-radius:999px;justify-self:start;padding:.08rem .5rem;font-weight:600}.dsa .acc__pc{color:var(--muted);text-align:right;white-space:nowrap;font-size:.76rem}.dsa .acc__c{font-family:var(--mono);color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;font-size:.75rem;font-weight:600}.dsa .acc__body{border-top:1px solid var(--line-soft);padding:.1rem 1.1rem .9rem calc(1.9rem + 14px)}.dsa .acc__blurb{max-width:62rem;color:var(--muted);margin:.6rem 0 .4rem;font-size:.86rem;line-height:1.5}.dsa .acc__s{border-left:2px solid color-mix(in oklab, var(--t,var(--line)) 30%, var(--line-soft));padding-left:1.1rem;position:relative}.dsa .acc__s>summary{min-height:var(--row);border-radius:8px;grid-template-columns:14px minmax(0,max-content) minmax(0,1fr) 3.2rem;align-items:center;gap:.7rem;margin-left:-.3rem;padding:0 .5rem 0 .3rem;display:grid}.dsa .acc__s>summary:hover{background:var(--d-blue-soft)}.dsa .acc__st{color:var(--ink-strong);white-space:nowrap;font-size:.88rem;font-weight:650}.dsa .acc__sig{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;overflow:hidden}.dsa .acc__s[open] .acc__sig{white-space:normal}.dsa .prs{border:1px solid var(--line-soft);background:var(--d-card-2);border-radius:10px;margin:.15rem 0 .6rem;padding:0;list-style:none;overflow:hidden}.dsa .prs--flat{border:0;border-top:1px solid var(--line-soft);background:0 0;border-radius:0;margin:0}.dsa .pr{min-height:var(--row);grid-template-columns:minmax(0,1fr) 1.6rem 6.6rem 5.4rem;align-items:center;gap:.8rem;padding:0 .9rem;display:grid}.dsa .prs--flat .pr{grid-template-columns:minmax(0,1fr) minmax(0,15rem) 1.6rem 6.6rem 5.4rem;padding-left:calc(1.9rem + 14px);padding-right:1.1rem}.dsa .pr+.pr{border-top:1px solid var(--line-soft)}.dsa .pr:hover{background:var(--d-blue-soft)}.dsa .pr__t{color:var(--ink-strong);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;font-weight:550;text-decoration:none;overflow:hidden}.dsa a.pr__t:hover{color:var(--d-blue)}.dsa .pr__t--plain{color:var(--ink);font-weight:500}.dsa .pr__p{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;overflow:hidden}.dsa .pr__name{align-items:center;gap:.5rem;min-width:0;display:flex}.dsa .pr__vid{justify-content:center;display:flex}.dsa .pr__go{display:flex}.dsa .pr__name .pr__147{flex:none}.dsa .pr__147{font-family:var(--mono);color:#2a1700;background:linear-gradient(135deg,#fd9d02,#ffbf3f);border-radius:999px;padding:.1rem .5rem;font-size:.64rem;font-weight:700;box-shadow:0 1px 3px #fd9d0273}.dsa .pr__147--sheet{font-family:var(--sans);white-space:nowrap;align-items:center;gap:.3rem;padding:.18rem .6rem .18rem .5rem;font-size:.7rem;display:inline-flex}.dsa .pr__147--sheet svg{flex:none}.dsa .go{white-space:nowrap;border:1px solid #0000;border-radius:999px;align-items:center;gap:.3rem;height:1.6rem;padding:0 .65rem;font-size:.75rem;font-weight:650;line-height:1;text-decoration:none;transition:background .12s,border-color .12s,color .12s;display:inline-flex}.dsa .go--here{background:var(--d-blue);color:#fff}.dsa .go--here:hover{background:var(--d-blue-ink)}.dsa .go--out{border-color:var(--line);background:var(--d-card);color:var(--ink)}.dsa .go--out:hover,.dsa .pr:hover .go--out,.dsa .ptable__r:hover .go--out{border-color:var(--d-blue-line);color:var(--d-blue)}.dsa .go--watch{border-color:color-mix(in oklab, var(--d-hard) 45%, transparent);color:var(--d-hard)}.dsa .go--watch svg{width:12px;height:12px}.dsa .go--soon{border:1px dashed var(--line);color:var(--muted);cursor:default;font-weight:500}.dsa .go__short{display:none}.dsa .pr__li{vertical-align:-.12em;color:var(--d-blue);margin-right:.45rem}.dsa .pr[data-kind=lesson]{background:color-mix(in oklab, var(--d-blue-soft) 70%, transparent)}.dsa .pr[data-kind=lesson] .pr__t{color:var(--ink-strong);font-weight:600}.dsa .pr__v{color:var(--d-hard);text-decoration:none;display:inline-flex}.dsa .pr__v:hover{color:var(--ink-strong)}.dsa .rmap{position:relative}.dsa .rmap__legend{color:var(--ink);flex-wrap:wrap;align-items:center;gap:.4rem 1.1rem;padding:.2rem .1rem .4rem;font-size:.8rem;font-weight:550;display:flex}.dsa .rmap__legend span{align-items:center;gap:.4rem;display:inline-flex}.dsa .rmap__legend i{border-radius:999px;width:1rem;height:.22rem}.dsa .rmap__legend [data-k=before] i{background:var(--d-blue)}.dsa .rmap__legend [data-k=after] i{background:var(--d-orange)}.dsa .rmap__hint{color:var(--muted);margin-left:auto;font-weight:400}.dsa .rmap__flow{--map-w:min(calc(100vw - 2rem), 110rem);width:var(--map-w);margin-inline:calc((100% - var(--map-w)) / 2);min-height:26rem;max-height:80vh}.dsa .rmap__flow .react-flow__background{-webkit-mask-image:radial-gradient(#000 55%,#0000 92%);mask-image:radial-gradient(#000 55%,#0000 92%)}.dsa .react-flow__attribution{opacity:.6;background:0 0;font-size:.6rem}.dsa .react-flow__attribution a{color:var(--muted)}.dsa .react-flow__controls{border:1px solid var(--line);background:var(--d-card);box-shadow:var(--shadow-sm);border-radius:10px;flex-direction:column;display:flex;overflow:hidden}.dsa .react-flow__controls-button{border:0;border-bottom:1px solid var(--line-soft);background:var(--d-card);width:2rem;height:2rem;color:var(--ink);cursor:pointer;padding:.45rem}.dsa .react-flow__controls-button:last-child{border-bottom:0}.dsa .react-flow__controls-button:hover{background:var(--d-blue-soft);color:var(--d-blue)}.dsa .react-flow__controls-button svg{fill:currentColor;width:100%;height:100%}.dsa .react-flow__edge-path{stroke:var(--d-edge);stroke-width:1.6px;transition:stroke .15s,opacity .15s}.dsa .te--before .react-flow__edge-path{stroke:var(--d-blue);stroke-width:2.4px}.dsa .te--after .react-flow__edge-path{stroke:var(--d-orange);stroke-width:2.4px}.dsa .te--dim{opacity:.15}.dsa .tn{border:1px solid var(--line);background:var(--d-card);border-radius:12px;transition:box-shadow .12s,opacity .12s,border-color .12s;position:relative;overflow:hidden;box-shadow:0 1px 2px #0a1f330d,0 6px 16px -10px #0a1f3359}.dsa .tn:before{content:"";background:var(--t);width:4px;position:absolute;inset:0 auto 0 0}.dsa .tn__a{height:100%;color:inherit;flex-direction:column;justify-content:center;gap:.3rem;padding:.55rem .8rem .55rem 1rem;text-decoration:none;display:flex}.dsa .tn__top{align-items:flex-start;gap:.5rem;min-width:0;display:flex}.dsa .tn__top .tn__no{margin-top:.05rem}.dsa .tn__no{background:color-mix(in oklab, var(--t) 16%, transparent);width:2rem;height:1.45rem;font-family:var(--mono);color:color-mix(in oklab, var(--t) 80%, var(--ink-strong));border-radius:5px;flex:none;place-items:center;font-size:.82rem;font-weight:700;display:inline-grid}.dsa .tn__t{-webkit-line-clamp:2;color:var(--ink-strong);-webkit-box-orient:vertical;font-size:1.15rem;font-weight:700;line-height:1.2;display:-webkit-box;overflow:hidden}.dsa .tn__meta{color:var(--muted);font-size:.92rem}.dsa .tn__bar{gap:2px;height:5px;display:flex}.dsa .tn__bar i{background:var(--c);border-radius:999px}.dsa .tn__h{opacity:0;pointer-events:none}.dsa .tn:hover{border-color:var(--t)}.dsa .tn[data-lit=hot]{border-color:var(--t);box-shadow:0 0 0 3px color-mix(in oklab, var(--t) 30%, transparent), 0 14px 30px -12px color-mix(in oklab, var(--t) 60%, transparent)}.dsa .tn[data-lit=before]{border-color:var(--d-blue);box-shadow:0 0 0 2px var(--d-blue-line)}.dsa .tn[data-lit=after]{border-color:var(--d-orange);box-shadow:0 0 0 2px var(--d-orange-line)}.dsa .tn[data-lit=dim]{opacity:.35}.dsa .dfilters{min-height:var(--tool-h);flex-wrap:wrap;align-items:center;gap:.5rem;margin:1.75rem 0 .7rem;display:flex}.dsa .dfilters__q{max-width:30rem;color:var(--muted);flex:11rem;display:flex;position:relative}.dsa .dfilters__q svg{position:absolute;top:50%;left:.8rem;transform:translateY(-50%)}.dsa .dfilters input{border:1px solid var(--line);background:var(--d-card);width:100%;height:2.3rem;font-family:var(--sans);color:var(--ink-strong);border-radius:999px;padding:0 .85rem 0 2.2rem;font-size:.85rem}.dsa .tpick{flex:0 14rem;min-width:10.5rem;position:relative}.dsa .tpick__btn{border:1px solid var(--line);background:var(--d-card);width:100%;height:2.3rem;font-family:var(--sans);color:var(--ink-strong);text-align:left;cursor:pointer;border-radius:999px;align-items:center;gap:.6rem;padding:0 .85rem 0 1rem;font-size:.85rem;font-weight:550;display:flex}.dsa .tpick__btn:hover{border-color:var(--d-blue-line)}.dsa .tpick__btn[aria-expanded=true],.dsa .tpick__btn:focus-visible{border-color:var(--d-blue);outline:2px solid var(--d-blue-line);outline-offset:1px}.dsa .tpick__btn[data-set]{border-color:var(--d-blue-line);background:var(--d-blue-soft);color:var(--d-blue-ink)}.dsa .tpick__v{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.dsa .tpick__chev{color:var(--muted);flex:none;transition:transform .15s}.dsa .tpick__btn[aria-expanded=true] .tpick__chev{color:var(--d-blue);transform:rotate(180deg)}.dsa .tpick__menu{z-index:20;border:1px solid var(--line);background:var(--d-card);border-radius:14px;width:max(100%,18rem);max-height:min(24rem,60vh);margin:0;padding:.35rem;list-style:none;position:absolute;top:calc(100% + .4rem);left:0;overflow-y:auto;box-shadow:0 16px 40px -12px #0a1f334d,0 2px 6px #0a1f3314}.dsa .tpick__menu li{color:var(--ink);cursor:pointer;border-radius:9px;grid-template-columns:minmax(0,1fr) auto 1rem;align-items:center;gap:.6rem;padding:.45rem .6rem .45rem .75rem;font-size:.86rem;display:grid}.dsa .tpick__menu li[data-active]{background:var(--d-blue-soft);color:var(--ink-strong)}.dsa .tpick__menu li[aria-selected=true]{color:var(--d-blue-ink);font-weight:650}.dsa .tpick__menu li:first-child{border-bottom:1px solid var(--line-soft);border-radius:9px 9px 0 0;margin-bottom:.25rem}.dsa .tpick__t{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.dsa .tpick__n{background:var(--line-soft);min-width:1.8rem;font-family:var(--mono);text-align:center;color:var(--muted);border-radius:999px;padding:.05rem .4rem;font-size:.68rem;font-weight:600}.dsa .tpick__menu li[aria-selected=true] .tpick__n{background:var(--d-blue-soft-2);color:var(--d-blue-ink)}.dsa .tpick__tick{color:var(--d-blue)}.dsa .dfilters input:focus-visible{outline:2px solid var(--d-blue-line);outline-offset:1px}.dsa .dfilters__chips{flex-wrap:wrap;gap:.35rem;display:flex}.dsa .chip{border:1px solid var(--line);background:var(--d-card);height:2.3rem;color:var(--c-ink,var(--muted));cursor:pointer;border-radius:999px;padding:0 .95rem;font-size:.82rem;font-weight:600}.dsa .chip:hover{border-color:var(--c,var(--d-blue))}.dsa .chip[aria-pressed=true]{background:var(--c,var(--d-blue));border-color:var(--c,var(--d-blue));color:#fff}.dsa .chip--147{--c:var(--d-orange);--c-ink:var(--d-orange-ink)}.dsa .chip--147[aria-pressed=true]{color:#1a1205}.dsa .chip--status[data-status=solved]{--c:var(--d-easy);--c-ink:var(--d-easy-ink)}.dsa .chip--status[data-status=unsolved]{--c:var(--ink-strong)}.dsa .chip--status[data-status=unsolved][aria-pressed=true],.dsa .chip--status[data-status=unsolved][aria-pressed=true] .chip__n{color:var(--paper)}.dsa .chip--status svg{color:var(--c);flex:none}.dsa .chip--status[aria-pressed=true] svg{color:currentColor}.dsa .chip--status[aria-pressed=true] .chip__check{stroke:var(--c)}.dsa .dcount{color:var(--muted);white-space:nowrap;align-items:baseline;gap:.8rem;margin:0 0 0 auto;font-size:.82rem;display:flex}.dsa .dcount b{color:var(--ink-strong);font-variant-numeric:tabular-nums;font-size:1rem;font-weight:700}.dsa .chip{align-items:center;gap:.45rem;display:inline-flex}.dsa .chip__dot{background:var(--c,var(--d-blue));border-radius:50%;width:.5rem;height:.5rem}.dsa .chip__n{background:color-mix(in oklab, var(--c,var(--d-blue)) 14%, transparent);min-width:1.6rem;font-family:var(--mono);text-align:center;color:var(--c-ink,var(--ink));border-radius:999px;padding:.05rem .4rem;font-size:.68rem;font-weight:600}.dsa .chip[aria-pressed=true] .chip__dot{background:#fff}.dsa .chip[aria-pressed=true] .chip__n{color:#fff;background:#ffffff40}.dsa .ptable__sort{font:inherit;letter-spacing:inherit;text-transform:inherit;color:inherit;cursor:pointer;background:0 0;border:0;justify-self:start;align-items:center;gap:.35rem;padding:0;display:inline-flex}.dsa .ptable__sort:hover,.dsa .ptable__sort[aria-sort=ascending],.dsa .ptable__sort[aria-sort=descending]{color:var(--d-blue)}.dsa .ptable__sort.ptable__end{justify-self:end}.dsa .ptable__si{opacity:.5}.dsa .ptable__si[data-on]{opacity:1}.dsa .ptable__end{text-align:right;justify-self:end}.dsa .ptable__topic{color:var(--ink);font-weight:500}.dsa mark{background:color-mix(in oklab, var(--d-orange) 35%, transparent);color:inherit;border-radius:3px;padding:0 .1em}.dsa .ptable{border:1px solid var(--line);background:var(--d-card);border-radius:14px;box-shadow:0 1px 2px #0a1f330a,0 12px 32px -18px #0a1f3340}.dsa .ptable__h,.dsa .ptable__r{min-height:var(--row);grid-template-columns:2.4rem minmax(0,2fr) minmax(0,1fr) minmax(0,1.3fr) 7.4rem 5.6rem 6.5rem;align-items:center;gap:.9rem;padding:0 1.1rem;display:grid}.dsa .ptable__h{z-index:2;border-bottom:1px solid var(--line);background:var(--d-card);font-family:var(--pixel);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border-radius:14px 14px 0 0;font-size:.6rem;position:sticky;top:4.6rem}.dsa .ptable__r+.ptable__r{border-top:1px solid var(--line-soft)}.dsa .ptable__r:hover{background:var(--d-blue-soft);box-shadow:inset 3px 0 0 var(--d-blue)}.dsa .ptable__r .ptable__no{font-family:var(--mono);color:var(--muted);font-variant-numeric:tabular-nums;font-size:.74rem;font-weight:600}.dsa .ptable__r:hover .ptable__no{color:var(--d-blue)}.dsa .ptable__t{align-items:center;gap:.5rem;min-width:0;display:flex}.dsa .ptable__c{text-align:center}.dsa .ptable__m{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;overflow:hidden}.dsa .dnone{color:var(--muted);margin:1rem 0 0}@media (max-width:48rem){.dsa .ptable__t a.pr__t[target=_blank]:after{content:" ↗";color:var(--d-blue);font-weight:600}.dsa .acc__t>summary{grid-template-columns:14px 2rem minmax(0,1fr) 3rem;padding:.55rem .8rem}.dsa .acc__req,.dsa .acc__pc,.dsa .acc__t>summary .dbar{display:none}.dsa .acc__tt{white-space:normal}.dsa .acc__body{padding-inline:.8rem}.dsa .acc__s>summary{grid-template-columns:14px minmax(0,1fr) 3rem;padding-block:.4rem}.dsa .acc__sig{display:none}.dsa .acc__st{white-space:normal}.dsa .pr,.dsa .prs--flat .pr{grid-template-columns:minmax(0,1fr) 4.1rem 4.7rem;gap:.5rem;padding-inline:.7rem}.dsa .pr__p,.dsa .pr__vid{display:none}.dsa .pr__t{white-space:normal}.dsa .go{padding-inline:.55rem}.dsa .go__long{display:none}.dsa .go__short{display:inline}.dsa .go--here svg{display:none}.dsa .ptable__h,.dsa .ptable__r{grid-template-columns:2.2rem minmax(0,1fr) 3.9rem 5rem;padding-inline:.7rem}.dsa .pr__147--sheet{padding:.15rem .5rem .15rem .42rem}.dsa .pr__147-more,.dsa .ptable__h>:nth-child(3),.dsa .ptable__h>:nth-child(4),.dsa .ptable__h>:nth-child(7),.dsa .ptable__r>:nth-child(3),.dsa .ptable__r>:nth-child(4),.dsa .ptable__r>:nth-child(7),.dsa .rmap__hint{display:none}.dsa .rmap__flow{min-height:16rem}}.dsa .tick{width:1.15rem;height:1.15rem;color:var(--line);cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;place-items:center;padding:0;display:inline-grid;position:relative}.dsa .tick:before{content:"";border-radius:50%;position:absolute;inset:-.45rem}.dsa .tick svg{overflow:visible}.dsa .tick__ring{fill:none;stroke:currentColor;stroke-width:1.5px;transition:fill .15s,stroke .15s}.dsa .tick__half{fill:#0000;transition:fill .15s}.dsa .tick__mark{fill:none;stroke:#0000;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;transition:stroke .15s}.dsa .tick:hover{color:var(--d-easy)}.dsa .tick:hover .tick__mark{stroke:color-mix(in oklab, var(--d-easy) 55%, transparent)}.dsa .tick:focus-visible{outline:none}.dsa .tick:focus-visible .tick__ring{stroke:var(--d-blue);stroke-width:2px}.dsa .tick[data-status=attempted]{color:var(--d-blue)}.dsa .tick[data-status=attempted] .tick__half{fill:color-mix(in oklab, var(--d-blue) 70%, transparent)}.dsa .tick[aria-pressed=true]{color:var(--d-easy)}.dsa .tick[aria-pressed=true] .tick__ring{fill:var(--d-easy)}.dsa .tick[aria-pressed=true] .tick__mark{stroke:#fff}.dsa .tick[aria-pressed=true]:hover .tick__ring{fill:color-mix(in oklab, var(--d-easy) 80%, transparent)}:is(.dsa .pr:has(.tick[aria-pressed=true]),.dsa .ptable__r:has(.tick[aria-pressed=true])){background:color-mix(in oklab, var(--d-easy) 6%, transparent)}:is(.dsa .pr:has(.tick[aria-pressed=true]):hover,.dsa .ptable__r:has(.tick[aria-pressed=true]):hover){background:color-mix(in oklab, var(--d-easy) 10%, transparent)}.dsa .acc__c b{color:var(--ink);font-weight:700}.dsa .acc__c[data-progress=some] b,.dsa .acc__c[data-progress=complete] b{color:var(--d-easy-ink)}.dsa .acc__c .acc__of{color:var(--muted);font-weight:500}@media (max-width:48rem){.dsa .pr__name:has(>.tick){gap:.4rem}.dsa .tick{width:1.2rem;height:1.2rem}.dsa .tick:before{inset:-.55rem -.4rem -.55rem -.7rem}}
.o7signin,.o7user,.o7auth,.o7notice{font-family:var(--sans)}.o7signin{border-radius:var(--r-full);background:var(--brass);color:#fff;font-family:"Manrope", var(--sans);letter-spacing:-.01em;white-space:nowrap;cursor:pointer;box-shadow:0 2px 8px color-mix(in oklab, var(--brass) 35%, transparent);border:0;flex:none;padding:.36rem .95rem;font-size:.84rem;font-weight:700;line-height:1.2;transition:background .15s,transform .1s}.o7signin:hover{background:color-mix(in oklab, var(--brass) 85%, var(--ink-strong))}.o7signin:active{transform:translateY(1px)}.o7signin:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.o7signin[data-compact]{padding:.32rem .8rem;font-size:.8rem}.o7signin__icon{display:none}@media (max-width:34rem){.o7signin,.o7signin[data-compact]{place-items:center;width:1.85rem;height:1.85rem;padding:0;display:grid}.o7signin__icon{display:block}.o7signin__text{display:none}.o7user__btn{padding-right:2px}.o7user__chev{display:none}}.o7user{flex:none;align-items:center;display:flex;position:relative}.o7user--wait{border-radius:var(--r-full);background:color-mix(in oklab, var(--ink) 6%, transparent);width:2.7rem;height:1.85rem;display:block}.o7user__btn{border:1px solid var(--line);border-radius:var(--r-full);background:var(--surface);color:var(--muted);cursor:pointer;align-items:center;gap:.2rem;padding:2px .35rem 2px 2px;transition:border-color .15s,color .15s;display:inline-flex}.o7user__btn:hover,.o7user__btn[aria-expanded=true]{border-color:var(--brass-line);color:var(--ink-strong)}.o7user__btn:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.o7user__chev{transition:transform .15s}.o7user__btn[aria-expanded=true] .o7user__chev{transform:rotate(180deg)}.o7avatar{object-fit:cover;background:var(--brass-soft);border-radius:50%;flex:none;width:1.65rem;height:1.65rem;display:block}.o7avatar[data-size=lg]{width:2.5rem;height:2.5rem}.o7avatar[data-size=xl]{width:4.25rem;height:4.25rem}.o7avatar--initials{background:var(--brass);color:#fff;font-family:"Manrope", var(--sans);letter-spacing:.02em;place-items:center;font-size:.68rem;font-weight:800;display:grid}.o7avatar--initials[data-size=lg]{font-size:.95rem}.o7avatar--initials[data-size=xl]{font-size:1.45rem}.o7user__menu{z-index:60;border:1px solid var(--line);background:var(--surface);min-width:15rem;box-shadow:var(--shadow-lg);border-radius:14px;padding:.4rem;animation:.14s ease-out o7pop;position:absolute;top:calc(100% + .5rem);right:0}.o7user__who{align-items:center;gap:.7rem;padding:.55rem .6rem .6rem;display:flex}.o7user__names{min-width:0;line-height:1.3;display:grid}.o7user__names b{font-family:"Manrope", var(--sans);color:var(--ink-strong);text-overflow:ellipsis;white-space:nowrap;font-size:.92rem;font-weight:750;overflow:hidden}.o7user__names span{font-family:var(--mono);color:var(--muted);font-size:.76rem}.o7user__sep{background:var(--line-soft);height:1px;margin:.3rem .2rem}.o7user__item{width:100%;font:inherit;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;padding:.5rem .65rem;font-size:.88rem;text-decoration:none;display:block}.o7user__item:hover,.o7user__item:focus-visible{background:var(--brass-soft);color:var(--ink-strong);outline:none}@keyframes o7pop{0%{opacity:0;transform:translateY(-4px)scale(.98)}to{opacity:1;transform:none}}.o7auth{width:min(25.5rem,100vw - 2rem);max-height:calc(100dvh - 2rem);color:var(--ink);background:0 0;border:0;border-radius:18px;padding:0;overflow:visible}.o7auth::backdrop{background:color-mix(in oklab, var(--ink-strong) 45%, transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.o7auth[open]{animation:.18s ease-out o7rise}.o7auth__card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-lg);border-radius:18px;padding:1.75rem 1.6rem 1.4rem;position:relative}.o7auth__x{width:2rem;height:2rem;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:grid;position:absolute;top:.8rem;right:.8rem}.o7auth__x:hover{background:var(--brass-soft);color:var(--ink-strong)}.o7auth__title{font-family:"Manrope", var(--sans);letter-spacing:-.02em;color:var(--ink-strong);margin:0 2rem .35rem 0;font-size:1.35rem;font-weight:800}.o7auth__sub{color:var(--muted);margin:0 0 1.25rem;font-size:.92rem;line-height:1.5}.o7auth__sub b{color:var(--ink-strong);overflow-wrap:anywhere;font-weight:650}.o7auth__google,.o7auth__primary{width:100%;height:2.75rem;font:inherit;cursor:pointer;border-radius:11px;justify-content:center;align-items:center;gap:.6rem;font-size:.93rem;font-weight:650;transition:background .15s,border-color .15s,opacity .15s;display:flex}.o7auth__google{border:1px solid var(--line);background:var(--surface);color:var(--ink-strong)}.o7auth__google:hover:not(:disabled){border-color:var(--brass-line);background:var(--brass-soft)}.o7auth__primary{background:var(--brass);color:#fff;border:0;margin-top:.85rem}.o7auth__primary:hover:not(:disabled){background:color-mix(in oklab, var(--brass) 85%, var(--ink-strong))}.o7auth__google:disabled,.o7auth__primary:disabled{opacity:.5;cursor:default}.o7auth__google:focus-visible,.o7auth__primary:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.o7auth__or{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);align-items:center;gap:.75rem;margin:1.1rem 0;font-size:.72rem;display:flex}.o7auth__or:before,.o7auth__or:after{content:"";background:var(--line-soft);flex:1;height:1px}.o7auth__label{color:var(--ink-strong);margin-bottom:.4rem;font-size:.8rem;font-weight:650;display:block}.o7auth__input{border:1px solid var(--line);background:var(--paper);width:100%;height:2.75rem;font:inherit;color:var(--ink-strong);border-radius:11px;padding:0 .85rem;font-size:.95rem}.o7auth__input::placeholder{color:color-mix(in oklab, var(--muted) 70%, transparent)}.o7auth__input:focus{border-color:var(--brass);box-shadow:0 0 0 3px var(--brass-soft);outline:none}.o7auth__input[aria-invalid]{border-color:var(--oxide)}.o7auth__error{color:var(--oxide);margin:.5rem 0 0;font-size:.84rem;line-height:1.45}.o7auth__fine{color:var(--muted);text-align:center;margin:1rem 0 0;font-size:.8rem;line-height:1.45}.o7auth__code{grid-template-columns:repeat(6,1fr);gap:.5rem;display:grid;position:relative}.o7auth__codeinput{z-index:1;color:#0000;caret-color:#0000;letter-spacing:2em;cursor:text;background:0 0;border:0;outline:none;width:100%;font-size:16px;position:absolute;inset:0}.o7auth__codeinput::selection{background:0 0}.o7auth__box{border:1px solid var(--line);background:var(--paper);height:3.3rem;font-family:var(--mono);color:var(--ink-strong);border-radius:11px;place-items:center;font-size:1.45rem;font-weight:650;transition:border-color .12s,box-shadow .12s;display:grid}.o7auth__box[data-filled]{border-color:color-mix(in oklab, var(--ink) 45%, var(--line))}.o7auth__code:focus-within .o7auth__box[data-cursor]{border-color:var(--brass);box-shadow:0 0 0 3px var(--brass-soft)}.o7auth__code[data-error] .o7auth__box{border-color:var(--oxide)}.o7auth__code[data-busy] .o7auth__box{opacity:.55}.o7auth__row{justify-content:space-between;gap:1rem;margin-top:1.1rem;display:flex}.o7auth__link{font:inherit;color:var(--brass);cursor:pointer;background:0 0;border:0;padding:0;font-size:.85rem;font-weight:600}.o7auth__link:hover:not(:disabled){text-decoration:underline}.o7auth__link:disabled{color:var(--muted);cursor:default;font-variant-numeric:tabular-nums}.o7auth__spin{border:2px solid #ffffff73;border-top-color:#fff;border-radius:50%;width:.95rem;height:.95rem;animation:.7s linear infinite o7spin}@keyframes o7rise{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}@keyframes o7spin{to{transform:rotate(360deg)}}@media (max-width:30rem){.o7auth__card{padding:1.5rem 1.15rem 1.2rem}.o7auth__code{gap:.35rem}.o7auth__box{height:3rem;font-size:1.25rem}}.o7notice{left:50%;bottom:max(1.25rem, env(safe-area-inset-bottom));z-index:80;border-radius:var(--r-full);background:var(--ink-strong);max-width:calc(100vw - 2rem);color:var(--paper);box-shadow:var(--shadow-lg);align-items:center;gap:.6rem;padding:.6rem .6rem .6rem 1rem;font-size:.88rem;line-height:1.35;animation:.2s ease-out o7notice;display:flex;position:fixed;transform:translate(-50%)}.o7notice:before{content:"";background:var(--brass);border-radius:50%;flex:none;width:.5rem;height:.5rem}.o7notice[data-tone=good]:before{background:var(--pine)}.o7notice[data-tone=bad]:before{background:var(--oxide)}.o7notice__x{width:1.6rem;height:1.6rem;color:inherit;opacity:.7;cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;place-items:center;display:grid}.o7notice__x:hover{opacity:1;background:color-mix(in oklab, var(--paper) 14%, transparent)}@keyframes o7notice{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}@media (prefers-reduced-motion:reduce){.o7auth[open],.o7user__menu,.o7notice{animation:none}.o7auth__spin{animation-duration:2s}}.o7user__theme{display:none}@media (max-width:34rem){:has(>.o7coins)>.theme{display:none}.o7user__theme{color:var(--ink);justify-content:space-between;align-items:center;gap:.75rem;padding:.45rem .6rem;font-size:.86rem;display:flex}}.topbar .o7signin{box-sizing:border-box;justify-content:center;align-items:center;width:4.7rem;height:calc(1.65rem + 6px);padding-block:0;display:inline-flex}.topbar .o7user__btn{box-sizing:border-box;justify-content:space-between;width:3.3rem;height:calc(1.65rem + 6px)}.topbar .o7user--wait{width:4.7rem;height:calc(1.65rem + 6px)}:root[data-o7-seen] .topbar .o7user--wait{width:3.3rem}@media (max-width:34rem){.topbar .o7signin{width:1.85rem;height:1.85rem}.topbar .o7user__btn{width:auto}.topbar .o7user--wait,:root[data-o7-seen] .topbar .o7user--wait{width:1.85rem;height:1.85rem}}.o7streak{--flame-h:calc(1.65rem + 6px);--flame-gap:.3rem;box-sizing:content-box;align-items:flex-end;gap:var(--flame-gap);width:calc(var(--flame-h) * .8 + var(--flame-gap) + var(--o7-streak-digits,1) * 1ch);height:var(--flame-h);color:var(--ink-strong);font-family:"Manrope", var(--sans);font-variant-numeric:tabular-nums;letter-spacing:0;flex:none;margin-inline:-.2rem;font-size:1.12rem;font-weight:800;line-height:1;text-decoration:none;display:inline-flex}.o7streak .sflame{width:calc(var(--flame-h) * .8);height:var(--flame-h);vertical-align:middle;transform:translateY(calc(var(--flame-h) * 1.25 / 40));flex:none;margin:0}.o7streak__n{margin-bottom:calc(var(--flame-h) * .11)}.o7streak:hover .o7streak__n{color:var(--brass)}.o7streak:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:4px}.o7streak[data-state=out]{color:var(--muted)}.o7streak--seen{display:none}:root[data-o7-seen] .o7streak--seen{display:inline-flex}.o7streak[data-compact]{--flame-h:1.6rem;margin-inline:0;font-size:.95rem}@media (max-width:34rem){.o7streak{--flame-h:1.6rem;margin-inline:-.1rem;font-size:.95rem}}
.sflame{--sf-outer-top:#ff4f1f;--sf-outer-base:#ff8f0f;--sf-mid-top:#ff9c1a;--sf-mid-base:#ffc94a;--sf-core-top:#fff6cf;--sf-core-base:#ffd95a;--sf-glow:255 120 20;--sf-spark:#ffb547;--sf-pace:1;vertical-align:-.15em;width:.88em;height:1.1em;margin:0 .18em 0 -.08em;display:inline-block;overflow:visible}.sflame g{transform-box:fill-box;transform-origin:50% 100%}.sflame[data-state=lit]{animation:2.4s ease-in-out infinite alternate sf-glow}.sflame__outer{animation:sf-flicker calc(1.9s * var(--sf-pace)) ease-in-out infinite alternate}.sflame__mid{animation:sf-flicker calc(1.3s * var(--sf-pace)) ease-in-out -.45s infinite alternate-reverse}.sflame__core{animation:sf-core calc(.95s * var(--sf-pace)) ease-in-out infinite alternate}.sflame__sparks circle{fill:var(--sf-spark);opacity:0;transform-box:fill-box;animation:2.4s ease-out infinite sf-spark}.sflame__sparks circle:nth-child(2){animation-delay:.8s}.sflame__sparks circle:nth-child(3){animation-delay:1.6s}.sflame[data-skin=flame-azure]{--sf-outer-top:#1d5bff;--sf-outer-base:#2fa4ff;--sf-mid-top:#4fc0ff;--sf-mid-base:#a9e4ff;--sf-core-top:#fff;--sf-core-base:#d4f1ff;--sf-glow:60 140 255;--sf-spark:#8fd0ff}.sflame[data-skin=flame-emerald]{--sf-outer-top:#0b8a4f;--sf-outer-base:#22c88a;--sf-mid-top:#4ee3a8;--sf-mid-base:#b6f7d7;--sf-core-top:#f4fff9;--sf-core-base:#ccf9e2;--sf-glow:16 185 129;--sf-spark:#7ff0be}.sflame[data-skin=flame-amethyst]{--sf-outer-top:#6d28d9;--sf-outer-base:#b06cff;--sf-mid-top:#cf9dff;--sf-mid-base:#f1e2ff;--sf-core-top:#fff;--sf-core-base:#f8ecff;--sf-glow:168 85 247;--sf-spark:#dcb8ff}.sflame[data-skin=flame-solar]{--sf-outer-top:#ff9a0a;--sf-outer-base:#ffd25e;--sf-mid-top:#fff0a8;--sf-mid-base:#fffbe8;--sf-core-top:#fff;--sf-core-base:#fff;--sf-glow:255 200 60;--sf-spark:#fff2a0}.sflame[data-state=open]{--sf-pace:2;opacity:.5}.sflame[data-state=out]{--sf-outer-top:var(--line);--sf-outer-base:var(--line);--sf-mid-top:var(--line-soft);--sf-mid-base:var(--line-soft);--sf-core-top:var(--d-card,var(--surface));--sf-core-base:var(--d-card,var(--surface))}.sflame[data-state=out] g{animation:none}@keyframes sf-flicker{0%{transform:scale(1)skew(0)}30%{transform:scale(.96,1.05)skew(-2.5deg)}65%{transform:scale(1.03,.97)skew(2deg)}to{transform:scale(.98,1.03)skew(-1deg)}}@keyframes sf-core{0%{opacity:.85;transform:scale(1)}to{opacity:1;transform:scale(.9,1.1)}}@keyframes sf-glow{0%{filter:drop-shadow(0 .04em .06em rgb(var(--sf-glow) / .3))}to{filter:drop-shadow(0 .04em .16em rgb(var(--sf-glow) / .55))}}@keyframes sf-spark{0%{opacity:0;transform:translateY(0)}15%{opacity:1}to{opacity:0;transform:translateY(-9px)}}@media (prefers-reduced-motion:reduce){.sflame,.sflame g{animation:none}.sflame__sparks{display:none}}
.o7coin{flex:none;display:block;overflow:visible}.o7coin[data-spin]{transform-origin:50%;animation:.7s cubic-bezier(.3,.7,.4,1) o7coin-spin}@keyframes o7coin-spin{0%{transform:perspective(60px)rotateY(0)scale(1)}45%{transform:perspective(60px)rotateY(200deg)scale(1.18)}to{transform:perspective(60px)rotateY(360deg)scale(1)}}.o7coin__sweep{animation:3.6s ease-in-out infinite o7coin-sweep}@keyframes o7coin-sweep{0%,55%{transform:translate(0)}85%,to{transform:translate(110px)}}.o7coins{border:1px solid color-mix(in oklab, #e9a31c 45%, var(--line));border-radius:var(--r-full);background:linear-gradient(180deg, color-mix(in oklab, #ffd75e 16%, var(--surface)), var(--surface));height:1.95rem;color:var(--ink-strong);font-family:"Manrope", var(--sans);font-variant-numeric:tabular-nums;letter-spacing:-.01em;flex:none;align-items:center;gap:.35rem;padding:0 .7rem 0 .4rem;font-size:.84rem;font-weight:800;text-decoration:none;transition:border-color .15s,transform .1s,box-shadow .15s;display:inline-flex;box-shadow:inset 0 1px #ffffff80,0 2px 8px -4px #c97f0c80}.o7coins:hover{border-color:#e9a31c;box-shadow:inset 0 1px #ffffff80,0 4px 14px -6px #c97f0cb3}.o7coins:active{transform:translateY(1px)}.o7coins:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.o7coins[data-compact]{height:1.8rem;padding:0 .6rem 0 .32rem;font-size:.8rem}.o7coins--wait{background:color-mix(in oklab, var(--ink) 6%, transparent);width:4.2rem;box-shadow:none;border-color:#0000}.o7coins__coin{display:grid}.o7coins__coin[data-bump]{animation:.55s cubic-bezier(.3,1.6,.5,1) o7coins-hop}@keyframes o7coins-hop{0%{transform:translateY(0)}35%{transform:translateY(-4px)}to{transform:translateY(0)}}@media (max-width:34rem){.o7coins{gap:.28rem;padding-right:.55rem}}.o7cheer{z-index:90;pointer-events:none;width:min(23rem,100vw - 1.5rem);font-family:var(--sans);justify-items:end;gap:.6rem;display:grid;position:fixed;bottom:clamp(.75rem,2.5vw,1.5rem);right:clamp(.75rem,2.5vw,1.5rem)}.o7cheer__card{border:1px solid var(--line);background:var(--surface);width:100%;box-shadow:var(--shadow-lg), 0 0 0 1px #ffffff0a inset;pointer-events:auto;border-radius:16px;align-items:flex-start;gap:.85rem;padding:.85rem 2.2rem .85rem .9rem;animation:.42s cubic-bezier(.2,1.3,.4,1) both o7cheer-in;display:flex;position:relative}@keyframes o7cheer-in{0%{opacity:0;transform:translateY(14px)scale(.96)}to{opacity:1;transform:none}}.o7cheer__card--coins{border-color:color-mix(in oklab, #e9a31c 40%, var(--line));background:radial-gradient(120% 140% at 0% 0%, #ffd75e24, transparent 60%), var(--surface)}@supports (color:lab(0% 0 0)){.o7cheer__card--coins{background:radial-gradient(120% 140% at 0% 0%, lab(87.7966% 4.90108 63.2396/.14), transparent 60%), var(--surface)}}.o7cheer__card--badge{border-color:var(--brass-line)}.o7cheer__card--freeze{border-color:color-mix(in oklab, #57b8ff 45%, var(--line));background:radial-gradient(120% 140% at 0% 0%, #8fd3ff29, transparent 60%), var(--surface)}@supports (color:lab(0% 0 0)){.o7cheer__card--freeze{background:radial-gradient(120% 140% at 0% 0%, lab(81.2211% -13.7197 -28.7621/.16), transparent 60%), var(--surface)}}.o7cheer__coin{flex:none;place-items:center;animation:.9s ease-out o7cheer-coin;display:grid}@keyframes o7cheer-coin{0%{transform:scale(.4)rotate(-30deg)}55%{transform:scale(1.15)rotate(8deg)}to{transform:none}}.o7cheer__body{flex:1;gap:.15rem;min-width:0;display:grid}.o7cheer__amount{font-family:"Manrope", var(--sans);letter-spacing:-.02em;color:color-mix(in oklab, #c97f0c 80%, var(--ink-strong));font-size:1.35rem;font-weight:800;line-height:1.1}.o7cheer__lines{gap:.1rem;margin:.15rem 0 0;padding:0;list-style:none;display:grid}.o7cheer__lines li{color:var(--ink);justify-content:space-between;gap:.75rem;font-size:.82rem;display:flex}.o7cheer__lines li span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.o7cheer__lines em{font-variant-numeric:tabular-nums;color:var(--muted);flex:none;font-style:normal;font-weight:700}.o7cheer__note{color:var(--muted);margin:.3rem 0 0;font-size:.76rem}.o7cheer__kicker{font-family:var(--pixel,var(--mono));letter-spacing:.12em;text-transform:uppercase;color:var(--brass);font-size:.6rem}.o7cheer__card--freeze .o7cheer__kicker{color:#2f8fd6}.o7cheer__title{font-family:"Manrope", var(--sans);letter-spacing:-.01em;color:var(--ink-strong);font-size:1rem;font-weight:800;line-height:1.25}.o7cheer__sub{color:var(--muted);font-size:.8rem}.o7cheer__link{color:var(--brass);margin-top:.25rem;font-size:.8rem;font-weight:650;text-decoration:none}.o7cheer__link:hover{text-decoration:underline}.o7cheer__x{width:1.5rem;height:1.5rem;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;font-size:1.1rem;line-height:1;position:absolute;top:.45rem;right:.5rem}.o7cheer__x:hover{background:color-mix(in oklab, var(--ink) 8%, transparent);color:var(--ink-strong)}.o7cheer__medal{flex:none;place-items:center;display:grid;position:relative}.o7cheer__medal .o7medal{animation:.9s cubic-bezier(.2,1.4,.4,1) both o7medal-unveil}.o7cheer__medal .o7medal__sweep{animation:1.2s ease-in-out .6s both o7medal-sweep}@keyframes o7medal-unveil{0%{opacity:0;transform:scale(.3)rotate(-35deg)}60%{opacity:1;transform:scale(1.12)rotate(6deg)}to{transform:none}}.o7cheer__sparks{width:0;height:0;position:absolute;inset:50% auto auto 50%}.o7cheer__sparks i{opacity:0;width:6px;height:6px;transform:rotate(var(--a)) translateY(0);background:radial-gradient(circle,#fff6c2,#ffb52e 60%,#0000 70%);border-radius:50%;animation:.9s ease-out .35s both o7spark;position:absolute;top:-3px;left:-3px}.o7cheer__sparks i:nth-child(2n){background:radial-gradient(circle,#e9f6ff,#6fc0ff 60%,#0000 70%);animation-delay:.42s}@keyframes o7spark{0%{opacity:0;transform:rotate(var(--a)) translateY(0) scale(.4)}25%{opacity:1}to{opacity:0;transform:rotate(var(--a)) translateY(-46px) scale(1)}}.o7cheer__ice{background:color-mix(in oklab, #8fd3ff 22%, var(--surface));color:#2f8fd6;border-radius:12px;flex:none;place-items:center;width:2.6rem;height:2.6rem;display:grid}.o7flycoin{z-index:95;pointer-events:none;background:radial-gradient(circle at 35% 30%,#fff3b8 0 18%,#0000 19%),radial-gradient(circle,#ffd04d 0 52%,#e29b1d 53% 70%,#a8650a 71%);border-radius:50%;width:18px;height:18px;position:fixed;box-shadow:0 2px 6px #a0600673,0 0 12px #ffc4408c}.o7snow{flex:none;display:block}.o7medal{flex:none;display:block;overflow:visible}.o7medal__edge{stroke:#00000038}.o7medal__pip{fill:#00000047}.o7medal__pip--on{fill:#fff;filter:drop-shadow(0 0 1.5px #ffffffe6)}.o7medal__sweep{transform:translate(0)}.o7medal:hover .o7medal__sweep{animation:1s ease-in-out o7medal-sweep}@keyframes o7medal-sweep{0%{transform:translate(0)}to{transform:translate(130px)}}.o7medal[data-tier=bronze]{--m1:#ffd5b0;--m2:#c98149;--m3:#74401c}.o7medal[data-tier=silver]{--m1:#fff;--m2:#c5cdd8;--m3:#6f7b89}.o7medal[data-tier=gold]{--m1:#fff4b0;--m2:#f2b62f;--m3:#9c5d07}.o7medal[data-tier=platinum]{--m1:#f2fffd;--m2:#9fdcd3;--m3:#3f7d7a}.o7medal[data-tier=diamond]{--m1:#f6fcff;--m2:#9ed6ff;--m3:#6b55ff;filter:drop-shadow(0 0 5px #78aaff8c)}.o7medal[data-tier=founder]{--m1:#ffefb8;--m2:#d9a43a;--m3:#6e4508}.o7medal__m1{stop-color:var(--m1)}.o7medal__m2{stop-color:var(--m2)}.o7medal__m3{stop-color:var(--m3)}.o7medal[data-locked]{filter:grayscale()contrast(.85);opacity:.5}.o7medal[data-locked] .o7medal__progress{stroke:var(--brass);opacity:1;filter:none}.o7frame{isolation:isolate;border-radius:50%;flex:none;place-items:center;padding:2.5px;display:inline-grid;position:relative}.o7frame[data-size=lg]{padding:3px}.o7frame[data-size=xl]{padding:5px}.o7frame>.o7avatar,.o7frame>img,.o7frame>span:not(.o7frame__laurel){box-shadow:0 0 0 1.5px var(--surface)}.o7frame[data-size=xl]>:is(.o7avatar,img,span:not(.o7frame__laurel)){box-shadow:0 0 0 3px var(--surface)}.o7frame:before{content:"";z-index:-1;border-radius:50%;position:absolute;inset:0}.o7frame[data-frame=frame-brass]:before{background:conic-gradient(from 200deg,#fff1c0,#b98a2c,#f6d987,#8a5f17,#f3d27a,#fff1c0)}.o7frame[data-frame=frame-ember]:before{background:conic-gradient(#ff3d00,#ffb347,#ff6a1f,#ffd27a,#ff2e00,#ff9a3d,#ff3d00);animation:7s linear infinite o7frame-turn,2.4s ease-in-out infinite alternate o7frame-ember}@keyframes o7frame-ember{0%{box-shadow:0 0 4px #ff5a1473}to{box-shadow:0 0 12px #ff781ebf}}.o7frame[data-frame=frame-aurora]:before{background:conic-gradient(#3dffb0,#3dc8ff,#8b5cff,#ff6ad5,#ffd36a,#3dffb0);animation:9s linear infinite o7frame-turn;box-shadow:0 0 10px #6ea0ff73}@keyframes o7frame-turn{to{transform:rotate(1turn)}}.o7frame[data-frame=frame-laurel]:before{background:conic-gradient(from 200deg,#fff1c0,#c9962f,#f7dc8c,#a06d16,#fff1c0)}.o7frame__laurel{z-index:1;pointer-events:none;position:absolute;inset:-22%}.o7frame__laurel svg{width:100%;height:100%;display:block;overflow:visible}@media (prefers-reduced-motion:reduce){.o7coin[data-spin],.o7coin__sweep,.o7coins__coin[data-bump],.o7cheer__card,.o7cheer__coin,.o7cheer__medal .o7medal,.o7cheer__medal .o7medal__sweep,.o7cheer__sparks i,.o7frame:before,.o7medal:hover .o7medal__sweep{animation:none!important}}