.docs{--line:#15161d1a;--line-2:#15161d29;--tint:#1f36d412;--side:272px;--head:60px;background:var(--paper);min-height:100vh;color:var(--ink)}.docs .num{font-variant-numeric:proportional-nums}.dh{z-index:30;grid-template-columns:calc(var(--side) - var(--gutter)) minmax(0, 1fr) auto;height:var(--head);padding:0 var(--gutter);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#faf7f0e6;align-items:center;gap:24px;display:grid;position:sticky;top:0}.dh-brand{font-family:var(--f-display), Georgia, serif;font-variation-settings:"SOFT" 0, "WONK" 0, "opsz" 72;letter-spacing:-.035em;justify-self:start;align-items:baseline;gap:8px;font-size:26px;font-weight:560;line-height:1;display:inline-flex}.dh-brand .cut:before{transform:translate(.07em)}.dh-brand:hover .cut:before{transform:translate(.26em)}.dh-brand em{font-variation-settings:"SOFT" 100, "WONK" 1, "opsz" 48;letter-spacing:-.01em;color:var(--cobalt);font-size:22px;font-style:italic;font-weight:360}.dh-search{width:min(100%,420px);height:38px;box-shadow:inset 0 0 0 1px var(--line-2);color:var(--ink-3);background:#ffffffb3;border-radius:10px;justify-self:start;align-items:center;gap:10px;padding:0 8px 0 12px;font-size:14px;transition:box-shadow .25s;display:flex}.dh-search:hover{box-shadow:inset 0 0 0 1px #1f36d473}.dh-search span{text-align:left;flex:1}.dh-search kbd,.ds kbd{font-family:var(--f-mono), ui-monospace, monospace;color:var(--ink-2);background:#15161d0f;border-radius:5px;padding:2px 6px;font-size:11.5px}.dh-links{align-items:center;gap:20px;font-size:14px;font-weight:500;display:flex}.dh-app{background:var(--ink);height:36px;color:var(--cream);border-radius:99px;align-items:center;gap:8px;padding:0 14px 0 16px;font-weight:600;transition:background .3s;display:inline-flex}.dh-app:hover{background:var(--cobalt)}.dh-menu{place-items:center;width:36px;height:36px;margin-left:-8px;display:none}.dh-burger,.dh-burger:before{background:currentColor;width:18px;height:1.6px;display:block}.dh-burger{position:relative;transform:translateY(-3px)}.dh-burger:before{content:"";position:absolute;top:6px;transform:translate(-3px)}.dbody{grid-template-columns:var(--side) minmax(0, 1fr);display:grid}.dside{top:var(--head);height:calc(100vh - var(--head));overscroll-behavior:contain;padding:24px 16px 48px var(--gutter);border-right:1px solid var(--line);scrollbar-width:thin;align-self:start;position:sticky;overflow-y:auto}.dside-group+.dside-group{margin-top:22px}.dside-group>p{color:var(--ink);padding:0 12px;font-size:13px;font-weight:600}.dside ul{margin:6px 0 0;padding:0;list-style:none}.dside a{color:var(--ink-2);border-radius:8px;padding:6px 12px 6px 22px;font-size:14px;line-height:1.4;transition:background .2s,color .2s;display:block;position:relative}.dside a:before{content:"";background:var(--line-2);width:7px;height:1.5px;transition:width .35s var(--ease-out), background .35s;position:absolute;top:50%;left:8px}.dside a:hover{color:var(--ink);background:#15161d0a}.dside a.on{background:var(--tint);color:var(--cobalt);font-weight:600}.dside a.on:before{background:var(--cobalt);width:10px}.dside-scrim{display:none}.dpage{grid-template-columns:minmax(0,760px) 220px;justify-content:center;gap:64px;padding:44px clamp(24px,4vw,56px) 24px;display:grid}.darticle{min-width:0;scroll-margin-top:calc(var(--head) + 24px)}.dhead{border-bottom:1px solid var(--line);padding-bottom:28px}.dgroup{color:var(--cobalt);font-size:13.5px;font-weight:600}.dhead h1{font-family:var(--f-display), Georgia, serif;font-variation-settings:"SOFT" 100, "WONK" 1, "opsz" 144;letter-spacing:-.035em;margin-top:10px;font-size:clamp(36px,4.2vw,50px);font-weight:360;line-height:1}.dlead{color:var(--ink-2);margin-top:16px;font-size:19px;line-height:1.55}.dprose{color:#24252e;padding-top:8px;font-size:16.5px;line-height:1.72}.dprose a{color:var(--cobalt);text-underline-offset:3px;-webkit-text-decoration:underline #1f36d44d;text-decoration:underline #1f36d44d;transition:text-decoration-color .2s}.dprose a:hover{text-decoration-color:currentColor}.dprose strong{color:var(--ink);font-weight:600}.dprose code{font-family:var(--f-mono), ui-monospace, monospace;color:var(--ink);overflow-wrap:anywhere;background:#15161d0f;border-radius:5px;padding:.12em .36em;font-size:.86em}.d-p{margin-top:18px}.d-h2,.d-h3{scroll-margin-top:calc(var(--head) + 24px);position:relative}.d-h2{font-family:var(--f-display), Georgia, serif;font-variation-settings:"SOFT" 100, "WONK" 0, "opsz" 72;letter-spacing:-.025em;color:var(--ink);margin-top:52px;font-size:30px;font-weight:400;line-height:1.15}.d-h3{color:var(--ink);margin-top:34px;font-size:19px;font-weight:600;line-height:1.35}.d-h2 code,.d-h3 code{font-size:.8em}.d-anchor{font-family:var(--f-sans), sans-serif;opacity:0;margin-left:10px;font-size:.7em;font-weight:500;transition:opacity .2s;color:var(--ink-3)!important;text-decoration:none!important}.d-h2:hover .d-anchor,.d-h3:hover .d-anchor,.d-anchor:focus-visible{opacity:1}.d-ul,.d-ol{margin:16px 0 0;padding:0;list-style:none}.d-ul li,.d-ol li{padding-left:26px;position:relative}.d-ul li+li,.d-ol li+li{margin-top:8px}.d-ul li:before{content:"";background:var(--tan);width:10px;height:1.5px;position:absolute;top:.86em;left:4px}.d-ol{counter-reset:d}.d-ol li:before{counter-increment:d;content:counter(d);font-family:var(--f-display), Georgia, serif;font-variation-settings:"SOFT" 100, "opsz" 24;color:var(--cobalt);position:absolute;top:0;left:2px}.d-steps{margin:24px 0 0;padding:0;list-style:none}.d-steps li{grid-template-columns:36px minmax(0,1fr);gap:16px;padding-bottom:22px;display:grid;position:relative}.d-steps li:before{content:"";background:var(--line-2);width:1px;position:absolute;top:40px;bottom:4px;left:17.5px}.d-steps li:last-child:before{display:none}.d-step-n{background:var(--cream);width:36px;height:36px;box-shadow:inset 0 0 0 1px var(--line-2);font-family:var(--f-display), Georgia, serif;font-variation-settings:"SOFT" 100, "opsz" 24;color:var(--cobalt);border-radius:50%;place-items:center;font-size:17px;display:grid}.d-steps h4{color:var(--ink);margin:5px 0 0;font-size:16.5px;font-weight:600}.d-steps p{margin-top:4px}.d-hint{border-radius:12px;grid-template-columns:18px minmax(0,1fr);gap:12px;margin-top:22px;padding:14px 18px;font-size:15.5px;line-height:1.6;display:grid}.d-hint svg{margin-top:3px}.d-hint-title{color:var(--ink);font-weight:600}.d-hint.t-info{background:#eef0fc;box-shadow:inset 0 0 0 1px #1f36d424}.d-hint.t-info svg{color:var(--cobalt)}.d-hint.t-tip{background:#f4ecdc;box-shadow:inset 0 0 0 1px #c7aa7866}.d-hint.t-tip svg{color:#8a6a32}.d-hint.t-warning{background:#fbf0e0;box-shadow:inset 0 0 0 1px #b870163d}.d-hint.t-warning svg{color:#b06a10}.d-hint.t-danger{background:#fbebe8;box-shadow:inset 0 0 0 1px #aa2d1e38}.d-hint.t-danger svg{color:#b0321f}.d-table{box-shadow:inset 0 0 0 1px var(--line-2);background:#fff;border-radius:12px;margin-top:22px;overflow-x:auto}.d-table table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.5}.d-table th{border-bottom:1px solid var(--line-2);text-align:left;color:var(--ink-2);white-space:nowrap;background:#f3efe6;padding:10px 14px;font-size:13px;font-weight:600}.d-table td{border-bottom:1px solid var(--line);vertical-align:top;padding:10px 14px}.d-table tr:last-child td{border-bottom:0}.d-table td.mono{font-family:var(--f-mono), ui-monospace, monospace;color:var(--ink);overflow-wrap:anywhere;font-size:13px}.d-table td.mono:first-child{white-space:nowrap;overflow-wrap:normal}.d-table td.mono code{background:0 0;padding:0;font-size:1em}.d-code{color:#e9e5dc;background:#15161d;border-radius:12px;margin-top:22px;overflow:hidden}.d-code-head{height:40px;font-family:var(--f-mono), ui-monospace, monospace;color:#f3eee48c;border-bottom:1px solid #f3eee41a;justify-content:space-between;align-items:center;padding:0 8px 0 16px;font-size:12px;display:flex}.d-code-head button{height:28px;font-family:var(--f-sans), sans-serif;color:#f3eee4bf;border-radius:7px;align-items:center;gap:6px;padding:0 10px;font-size:12.5px;display:inline-flex}.d-code-head button:hover{color:var(--cream);background:#f3eee41a}.d-code pre{font-family:var(--f-mono), ui-monospace, monospace;tab-size:2;margin:0;padding:16px 18px 18px;font-size:13.5px;line-height:1.65;overflow-x:auto}.d-code code{color:inherit;font-size:inherit;background:0 0;padding:0}.tk-c{color:#7d7f8c;font-style:italic}.tk-s{color:#e3c992}.tk-n{color:#f0b58f}.tk-w{color:#a8b6ff}.tk-f{color:#f3eee4;font-weight:600}.tk-k{color:#a8b6ff}.d-tabs{margin-top:22px}.d-tablist{border-bottom:1px solid var(--line-2);gap:4px;display:flex}.d-tablist button{color:var(--ink-3);padding:8px 14px 10px;font-size:14.5px;font-weight:500;position:relative}.d-tablist button[aria-selected=true]{color:var(--ink)}.d-tablist button[aria-selected=true]:after{content:"";background:var(--cobalt);height:2px;position:absolute;bottom:-1px;left:10px;right:10px}.d-tabpanel>:first-child{margin-top:16px}.d-figure{margin:26px 0 0}.fg-wrap{box-shadow:inset 0 0 0 1px var(--line);background:#f5f1e7;border-radius:14px;padding:20px 20px 16px;overflow-x:auto}.fg{width:100%;min-width:600px;height:auto;font-family:var(--f-sans), sans-serif;display:block}.d-figure figcaption{color:var(--ink-3);margin-top:10px;font-size:14px;line-height:1.55}.fg text{fill:var(--ink-2);paint-order:stroke;stroke:#f5f1e7;stroke-width:4px;stroke-linejoin:round;font-size:13px}.fg .t-onpaid{stroke:none}.fg .t-strong{fill:var(--ink);font-weight:600}.fg .t-small{fill:var(--ink-3);font-size:12px}.fg .t-mono{font-family:var(--f-mono), ui-monospace, monospace;fill:var(--ink-2);font-size:12px}.fg .t-cobalt{fill:var(--cobalt);font-weight:600}.fg .t-node{fill:var(--ink);font-size:14px;font-weight:600}.fg .t-onpaid{fill:var(--cream);stroke:none;font-size:13px;font-weight:600}.fg-session{fill:#fffdf8;stroke:var(--line-2)}.fg-hatch{stroke:#15161d29;stroke-width:1.2px}.fg-woolline{fill:none;stroke:var(--tan);stroke-width:1.2px}.fg-woolbar{stroke:#c7aa7899}.fg-cobalt{fill:var(--cobalt)}.fg-ink{fill:var(--ink)}.fg-ink-soft{fill:var(--ink-3)}.fg-cream{fill:#e4dcc9}.fg-tick{stroke:var(--cobalt);stroke-width:1.5px}.fg-blade{stroke:var(--ink);stroke-width:1.6px}.fg-grid{stroke:var(--line)}.fg-axis{stroke:var(--line-2)}.fg-arrow{fill:none;stroke:var(--ink-2);stroke-width:1.4px}.fg-arrow.dashed{stroke-dasharray:5 4}.fg-arrowhead{fill:none;stroke:var(--ink-2);stroke-width:1.4px;stroke-linejoin:round}.fg-node{fill:#fffdf8;stroke:var(--line-2);stroke-width:1.2px}.fg-node.on{fill:#1f36d414;stroke:var(--cobalt)}.fg-node.warn{fill:#fbf0e0;stroke:#b06a1099;stroke-dasharray:4 3}.fg-bid{fill:#1f36d42e;stroke:#1f36d480}.fg-bid-out{stroke:var(--line-2)}.fg-paid{fill:var(--cobalt)}.fg-vault{stroke:var(--ink);stroke-width:1.2px;stroke-dasharray:4 4}.fg-given{stroke:none}.fg-line{fill:none;stroke-width:2.4px;stroke-linejoin:round}.fg-line.hold{stroke:var(--ink-3);stroke-dasharray:6 5;stroke-width:1.8px}.fg-line.shear{stroke:var(--cobalt)}.fg-dash{stroke:var(--ink-3);stroke-dasharray:4 4}.fg-dot.ink{fill:var(--ink)}.fg-dot.cobalt{fill:var(--cobalt)}.fg-brace{stroke:var(--tan);stroke-width:3px}.fg-box{fill:#fffdf8;stroke:var(--line-2)}.fg-box.on{fill:#1f36d414;stroke:#1f36d480}.fg-box.wool{fill:#f1e7d3;stroke:#c7aa78cc}.d-formula{background:var(--cream);box-shadow:inset 0 0 0 1px var(--line);text-align:center;border-radius:14px;margin-top:24px;padding:22px 24px}.d-formula p{font-family:var(--f-display), Georgia, serif;font-variation-settings:"SOFT" 100, "WONK" 1, "opsz" 48;color:var(--ink);font-size:clamp(19px,2.4vw,25px);font-style:italic;line-height:1.35}.d-formula small{color:var(--ink-3);margin-top:8px;font-size:14px;display:block}.d-dl{border-top:1px solid var(--line-2);margin:22px 0 0}.d-dl>div{border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--head) + 24px);grid-template-columns:minmax(150px,220px) minmax(0,1fr);gap:20px;padding:14px 0;display:grid}.d-dl dt{color:var(--ink);font-weight:600}.d-dl dd{margin:0;font-size:15.5px;line-height:1.6}.d-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px;display:grid}.d-card{box-shadow:inset 0 0 0 1px var(--line-2);transition:box-shadow .25s, transform .35s var(--ease-out);background:#fff;border-radius:14px;padding:18px 20px;display:block;text-decoration:none!important}.d-card:hover{box-shadow:inset 0 0 0 1px var(--cobalt);transform:translateY(-2px)}.d-card-title{color:var(--ink);justify-content:space-between;align-items:center;font-size:16.5px;font-weight:600;display:flex}.d-card-title .i-arrow{color:var(--cobalt);transition:transform .35s var(--ease-out)}.d-card:hover .i-arrow{transform:translate(3px)}.d-card-body{color:var(--ink-2);margin-top:6px;font-size:14.5px;line-height:1.55;display:block}.dpager{grid-template-columns:1fr 1fr;gap:12px;margin-top:64px;display:grid}.dpager a{box-shadow:inset 0 0 0 1px var(--line-2);border-radius:14px;flex-direction:column;gap:2px;padding:16px 20px;transition:box-shadow .25s;display:flex}.dpager a:hover{box-shadow:inset 0 0 0 1px var(--cobalt)}.dpager .next{text-align:right;grid-column:2}.dpager small{color:var(--ink-3);font-size:13px}.dpager span{color:var(--cobalt);font-size:16.5px;font-weight:600}.daside{position:relative}.dtoc{top:calc(var(--head) + 40px);max-height:calc(100vh - var(--head) - 60px);scrollbar-width:thin;position:sticky;overflow-y:auto}.dtoc>p{color:var(--ink);font-size:13px;font-weight:600}.dtoc ul{border-left:1px solid var(--line-2);margin:10px 0 0;padding:0;list-style:none}.dtoc li a{color:var(--ink-3);padding:5px 0 5px 14px;font-size:13.5px;line-height:1.4;transition:color .2s;display:block;position:relative}.dtoc li.l3 a{padding-left:26px;font-size:13px}.dtoc li a:hover{color:var(--ink)}.dtoc li.on a{color:var(--cobalt);font-weight:600}.dtoc li.on a:before{content:"";background:var(--cobalt);width:2px;position:absolute;top:4px;bottom:4px;left:-1px}.dtoc-top{color:var(--ink-3);margin-top:16px;font-size:13px;display:inline-block}.dtoc-top:hover{color:var(--ink)}.ds-scrim{z-index:60;-webkit-backdrop-filter:blur(4px);background:#15161d5c;justify-content:center;align-items:flex-start;padding:11vh 16px 16px;animation:.2s ease-out ds-in;display:flex;position:fixed;inset:0}@keyframes ds-in{0%{opacity:0}}.ds{background:var(--paper);width:min(640px,100%);box-shadow:0 30px 80px -20px #15161d73, 0 0 0 1px var(--line-2);border-radius:16px;overflow:hidden}.ds-field{border-bottom:1px solid var(--line);height:60px;color:var(--ink-3);align-items:center;gap:12px;padding:0 14px 0 18px;display:flex}.ds-field input{min-width:0;font:inherit;color:var(--ink);background:0 0;border:0;outline:0;flex:1;font-size:17px}.ds-field input::placeholder{color:var(--ink-3)}.ds-esc{color:var(--ink-2);background:#15161d0f;border-radius:6px;padding:3px 8px;font-size:12px}.ds-results{max-height:min(60vh,520px);margin:0;padding:8px;list-style:none;overflow-y:auto}.ds-results li{cursor:pointer;border-radius:10px;padding:10px 12px}.ds-results li[aria-selected=true]{background:var(--tint)}.ds-where{color:var(--ink-3);font-size:12px}.ds-title{color:var(--ink);margin-top:1px;font-size:15px;font-weight:600}.ds-results li[aria-selected=true] .ds-title{color:var(--cobalt)}.ds-snip{color:var(--ink-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:3px;font-size:13.5px;line-height:1.5;display:-webkit-box;overflow:hidden}.ds-snip mark{color:var(--ink);background:#c7aa7866;border-radius:3px}.ds-empty{color:var(--ink-3);padding:28px 20px;font-size:14.5px}.ds-suggest{padding:16px 18px 18px}.ds-suggest>p{color:var(--ink-2);font-size:13px;font-weight:600}.ds-suggest div{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.ds-suggest button{box-shadow:inset 0 0 0 1px var(--line-2);color:var(--ink-2);border-radius:99px;padding:6px 12px;font-size:13.5px}.ds-suggest button:hover{box-shadow:inset 0 0 0 1px var(--cobalt);color:var(--cobalt)}.ds-keys{border-top:1px solid var(--line);color:var(--ink-3);gap:18px;padding:10px 18px;font-size:12px;display:flex}@media (max-width:1180px){.dpage{grid-template-columns:minmax(0,760px)}.daside{display:none}}@media (max-width:900px){.dh{grid-template-columns:auto auto minmax(0,1fr) auto;gap:12px}.dh-menu{display:grid}.dh-search{justify-content:center;justify-self:end;width:38px;padding:0}.dh-search span,.dh-search kbd,.dh-links>.cut{display:none}.dbody{grid-template-columns:minmax(0,1fr)}.dside{z-index:25;left:0;top:var(--head);background:var(--paper);width:min(320px,86vw);transition:transform .4s var(--ease-out);position:fixed;transform:translate(-100%);box-shadow:20px 0 50px -30px #15161d66}.dside.open{transform:none}.dside-scrim{inset:var(--head) 0 0 0;z-index:24;background:#15161d40;display:block;position:fixed}.dpage{padding-top:32px}.d-cards,.dpager{grid-template-columns:1fr}.dpager .next{grid-column:1}.d-dl>div{grid-template-columns:1fr;gap:4px}}@media (max-width:520px){.dh-app{padding:0 12px;font-size:13px}.dh-brand em{display:none}}