:root{--bg: #0c0d12;--bg-soft: #14151d;--panel: #181a23;--panel-2: #1f222e;--border: #2a2d3a;--text: #e6e8ef;--muted: #9aa0b4;--faint: #6b7088;--rust: #dea584;--rust-bright: #f97316;--amber: #f5b942;--green: #5fd38d;--red: #f0716f;--blue: #6ea8fe;--violet: #b692f6;--mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--rust);text-decoration:none}a:hover{color:var(--rust-bright);text-decoration:underline}code,pre,.mono{font-family:var(--mono)}.progress-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--rust),var(--rust-bright));z-index:100;transition:width .1s linear}.topnav{position:fixed;top:0;left:0;right:0;height:56px;display:flex;align-items:center;gap:16px;padding:0 24px;background:#0c0d12d1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:90}.topnav .brand{font-weight:700;letter-spacing:-.01em;font-size:15px;display:flex;align-items:center;gap:8px}.topnav .brand .logo{color:var(--rust-bright)}.topnav .spacer{flex:1}.topnav .ghlink{font-size:13px;color:var(--muted);border:1px solid var(--border);padding:5px 12px;border-radius:7px}.topnav .ghlink:hover{color:var(--text);border-color:var(--rust);text-decoration:none}.layout{display:grid;grid-template-columns:240px minmax(0,1fr);max-width:1180px;margin:0 auto;padding-top:56px}.sidebar{position:sticky;top:56px;align-self:start;height:calc(100vh - 56px);overflow-y:auto;padding:28px 14px 40px 24px;font-size:13px}.sidebar ol{list-style:none;margin:0;padding:0;counter-reset:chap}.sidebar li{counter-increment:chap}.sidebar a{display:block;color:var(--muted);padding:5px 10px;border-radius:6px;border-left:2px solid transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar a:before{content:counter(chap,decimal-leading-zero);color:var(--faint);margin-right:8px;font-family:var(--mono);font-size:11px}.sidebar a:hover{color:var(--text);text-decoration:none;background:var(--panel)}.sidebar a.active{color:var(--rust);border-left-color:var(--rust-bright);background:var(--panel)}.content{padding:28px 48px 160px;min-width:0}.hero{padding:60px 0 50px;border-bottom:1px solid var(--border);margin-bottom:16px}.hero .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--rust);margin-bottom:18px}.hero h1{font-size:clamp(36px,6vw,58px);line-height:1.05;margin:0 0 20px;letter-spacing:-.03em;font-weight:800}.hero h1 .grad{background:linear-gradient(120deg,var(--rust),var(--rust-bright) 60%,var(--amber));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero p.lede{font-size:19px;color:var(--muted);max-width:720px;margin:0 0 28px}.hero .pills{display:flex;flex-wrap:wrap;gap:8px}.pill{font-family:var(--mono);font-size:12px;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:5px 13px}.pill.rust{border-color:var(--rust);color:var(--rust)}.section{padding:46px 0;border-bottom:1px solid var(--border);scroll-margin-top:70px}.section .chap-num{font-family:var(--mono);font-size:13px;color:var(--rust);letter-spacing:.1em}.section h2{font-size:30px;margin:6px 0 10px;letter-spacing:-.02em;font-weight:750}.section .intro{font-size:17px;color:var(--muted);max-width:760px}.section h3{font-size:18px;margin:30px 0 10px;font-weight:650}.section p{color:#cdd1de}.section ul{color:#cdd1de;padding-left:22px}.section li{margin:5px 0}.kicker{color:var(--rust);font-weight:600}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px 22px;margin:20px 0}.card.tight{padding:16px 18px}.card .card-title{font-size:13px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--faint);margin-bottom:14px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:720px){.grid-2,.grid-3{grid-template-columns:1fr}}.stat{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:16px}.stat .num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--rust);line-height:1.1}.stat .num.green{color:var(--green)}.stat .num.blue{color:var(--blue)}.stat .label{font-size:13px;color:var(--muted);margin-top:4px}pre.code{background:#0a0b10;border:1px solid var(--border);border-radius:10px;padding:16px 18px;overflow-x:auto;font-size:13px;line-height:1.6;color:#d6dae6;margin:18px 0}pre.code .cmt{color:var(--faint)}pre.code .kw{color:var(--violet)}pre.code .fn{color:var(--blue)}pre.code .str{color:var(--green)}pre.code .num{color:var(--amber)}code.inline{background:var(--panel-2);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:.88em;color:var(--rust)}.tbl-wrap{overflow-x:auto;margin:18px 0}table.data{width:100%;border-collapse:collapse;font-size:14px}table.data th,table.data td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border)}table.data th{color:var(--faint);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em}table.data td.mono,table.data td .mono{font-family:var(--mono)}table.data tr:hover td{background:var(--panel)}.badge{font-family:var(--mono);font-size:11px;padding:2px 8px;border-radius:999px}.badge.goat{background:#5fd38d24;color:var(--green)}.badge.gated{background:#6ea8fe24;color:var(--blue)}.badge.dead{background:#f0716f24;color:var(--red)}.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:20px 0}.flow .node{font-family:var(--mono);font-size:13px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:8px 13px}.flow .node.accent{border-color:var(--rust);color:var(--rust)}.flow .arrow{color:var(--faint);font-size:16px}.widget{background:linear-gradient(180deg,var(--panel),var(--bg-soft));border:1px solid var(--border);border-radius:14px;padding:22px;margin:24px 0}.widget .w-head{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}.widget .w-title{font-weight:650;font-size:15px}.widget .w-tag{font-family:var(--mono);font-size:11px;color:var(--rust);border:1px solid var(--rust);border-radius:999px;padding:2px 9px}.widget .w-hint{font-size:13px;color:var(--faint)}.control-row{display:flex;align-items:center;gap:14px;margin:12px 0;flex-wrap:wrap}.control-row label{font-size:13px;color:var(--muted);min-width:120px}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:5px;background:var(--border);border-radius:999px;flex:1;min-width:140px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:17px;height:17px;border-radius:50%;background:var(--rust-bright);cursor:pointer;border:2px solid #0c0d12}input[type=text]{background:#0a0b10;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 12px;font-family:var(--mono);font-size:14px;width:100%}.val{font-family:var(--mono);color:var(--rust);min-width:56px;text-align:right}button.btn{background:var(--rust-bright);color:#14110c;border:none;border-radius:8px;padding:8px 16px;font-weight:650;cursor:pointer;font-size:13px}button.btn:hover{background:var(--amber)}button.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}button.btn.ghost:hover{color:var(--text);border-color:var(--rust)}.tokens{display:flex;flex-wrap:wrap;gap:5px;margin-top:14px}.tok{font-family:var(--mono);font-size:13px;padding:4px 8px;border-radius:6px;border:1px solid var(--border)}.probrow{display:flex;align-items:center;gap:10px;margin:6px 0}.probrow .lab{font-family:var(--mono);width:28px;text-align:right;color:var(--muted);font-size:13px}.probrow .track{flex:1;height:18px;background:var(--panel-2);border-radius:5px;overflow:hidden}.probrow .fill{display:block;height:100%;min-width:2px;background:linear-gradient(90deg,var(--rust),var(--rust-bright));border-radius:5px;transition:width .15s}.probrow .pct{font-family:var(--mono);width:52px;font-size:12px;color:var(--faint)}.slots{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-top:12px}.slot{aspect-ratio:1;border-radius:6px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;color:var(--faint);transition:all .2s}.slot.active{background:var(--rust);color:#14110c;border-color:var(--rust-bright)}.slot.frozen{opacity:.4}.barchart{margin:22px 0;display:flex;flex-direction:column;gap:10px}.bc-row{display:grid;grid-template-columns:180px 1fr 150px 150px;align-items:center;gap:14px}.bc-label{font-size:14px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bc-track{background:var(--panel-2);border-radius:6px;height:26px;overflow:hidden}.bc-fill{height:100%;background:var(--rust);border-radius:6px;min-width:3px;transition:width .4s cubic-bezier(.2,.8,.2,1)}.bc-fill.bc-win{background:var(--green)}.bc-tag{font-family:var(--mono);font-size:11px;color:var(--faint);white-space:nowrap;text-align:right}.bc-value{font-family:var(--mono);font-size:14px;color:var(--text);text-align:right}.bc-value .bc-unit{color:var(--faint);font-size:12px}@media(max-width:720px){.bc-row{grid-template-columns:110px 1fr 96px;gap:8px}.bc-label{font-size:12px}.bc-tag{display:none}}.arch{display:grid;grid-template-columns:340px 1fr;gap:26px;align-items:start;margin:22px 0}.arch-flow{width:340px;height:auto}.arch-panel{position:sticky;top:90px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px 24px}.ap-kicker{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--faint);text-transform:uppercase;margin-bottom:8px}.arch-panel h4{font-size:22px;margin:0 0 4px;line-height:1.2}.ap-role{font-size:15px;color:var(--muted);margin-bottom:12px}.ap-shape{display:inline-block;font-family:var(--mono);font-size:12px;color:var(--text);background:var(--panel-2);border:1px solid var(--border);border-radius:6px;padding:3px 9px;margin-bottom:14px}.arch-panel p{font-size:14.5px;line-height:1.65;color:var(--text);margin:0}.ap-note{margin-top:16px;padding:10px 14px;border-radius:8px;background:#b692f61f;border:1px solid rgba(182,146,246,.3);font-size:13px;color:var(--violet)}@media(max-width:760px){.arch{grid-template-columns:1fr;gap:18px}.arch-flow{width:100%;max-width:340px;margin:0 auto}.arch-panel{position:static}}.pvm-kicker{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:10px}.pvm-kicker-2{margin-top:14px}.pvm-kicker span{color:var(--faint);text-transform:none;letter-spacing:0}.pvm-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;align-items:stretch}.pvm-run>.pvm-cell:first-child{grid-column-start:2}.pvm-cell{display:flex;align-items:stretch}.pvm-node{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:left;cursor:pointer;font-family:inherit;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:9px 13px;min-height:44px;transition:border-color .15s,background .15s}.pvm-node:hover{border-color:var(--muted)}.pvm-node.hot{background:#5fd38d24;border-color:var(--green)}.pvm-node.sel{border-color:var(--rust-bright);box-shadow:0 0 0 1px var(--rust-bright)}.pvm-node.hot.sel{border-color:var(--green);box-shadow:0 0 0 1px var(--green)}.pvm-label{font-size:13px;color:var(--text);font-weight:600}.pvm-node.hot .pvm-label{color:var(--green)}.pvm-sub{font-family:var(--mono);font-size:10px;color:var(--faint);margin-top:2px}.pvm-arrow{display:flex;align-items:center;color:var(--faint);padding:0 4px}.pvm-down{margin:6px 0;align-items:center}.pvm-down-label{grid-column:1 / 4;justify-self:end;align-self:center;font-size:12px;color:var(--faint);font-style:italic}.pvm-down-arrow{grid-column:4;justify-self:center;color:var(--rust-bright);font-size:20px;line-height:1}.pvm-detail{margin-top:16px;padding:14px 18px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.pvm-detail-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}.pvm-detail p{font-size:13.5px;line-height:1.6;color:var(--muted);margin:0}@media(max-width:720px){.pvm-grid{grid-template-columns:1fr}.pvm-run>.pvm-cell:first-child{grid-column-start:auto}.pvm-cell{flex-direction:column;align-items:stretch}.pvm-arrow{transform:rotate(90deg);align-self:center;padding:2px 0}.pvm-down-label,.pvm-down-arrow{grid-column:1;justify-self:start}}.sk-tabs{display:flex;gap:6px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.sk-tab{font-family:inherit;font-size:13px;cursor:pointer;background:var(--panel-2);color:var(--muted);border:1px solid var(--border);border-radius:7px;padding:6px 14px}.sk-tab.on{background:#f9731624;color:var(--rust-bright);border-color:var(--rust-bright)}.sk-replay{margin-left:auto;font-family:inherit;font-size:12px;cursor:pointer;background:none;color:var(--faint);border:1px solid var(--border);border-radius:7px;padding:6px 12px}.sk-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}.sk-left{min-width:0}.sk-role{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--faint);margin-bottom:6px}.sk-user{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.sk-prompt{font-size:14px;color:var(--text)}.sk-stat{font-family:var(--mono);font-size:13px;color:var(--amber);margin:12px 2px;display:flex;align-items:center;gap:7px}.sk-bolt{color:var(--amber)}.sk-assistant{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.sk-stream{font-family:var(--mono);font-size:12.5px;line-height:1.55;min-height:230px;max-height:230px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}.sk-line{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sk-status{white-space:normal;color:var(--green);font-size:12px;margin-top:6px;line-height:1.4}.sk-line.cy{color:var(--blue)}.sk-line.gn{color:var(--green)}.sk-line.rd{color:var(--red)}.sk-line.or{color:var(--rust-bright)}.sk-trace{display:flex;flex-wrap:wrap;gap:3px;align-content:flex-end}.sk-trace .tk{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;font-size:11px;border-radius:3px;background:#6ea8fe29;color:var(--blue)}.sk-trace .tk.back{background:#f0716f29;color:var(--red)}.sk-caret{display:inline-block;width:7px;height:14px;background:var(--muted);animation:skblink 1s steps(2) infinite}@keyframes skblink{0%{opacity:1}50%{opacity:0}}.sk-subtabs{display:flex;gap:0;border-top:1px solid var(--border);margin-top:10px;padding-top:8px}.sk-subtabs button{flex:1;font-family:inherit;font-size:12px;cursor:pointer;background:none;color:var(--faint);border:none;padding:5px}.sk-subtabs button.on{color:var(--text);font-weight:600}.sk-board{display:grid;grid-template-columns:repeat(9,1fr);gap:0;border:2px solid var(--muted);border-radius:4px;overflow:hidden;aspect-ratio:1;align-self:start}.sk-cell{display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:15px;color:var(--faint);border:.5px solid var(--border);aspect-ratio:1}.sk-cell.clue{color:var(--text);font-weight:700;background:var(--panel-2)}.sk-cell.fill{color:var(--green)}.sk-cell.br{border-right:1.5px solid var(--muted)}.sk-cell.bb{border-bottom:1.5px solid var(--muted)}.sk-compare{margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.sk-compare-title{font-size:13px;color:var(--text);margin-bottom:12px;font-weight:600}.sk-compare-title span{color:var(--faint);font-weight:400}.sk-headline{font-size:13px;color:var(--muted);margin-bottom:14px;padding:9px 12px;border-radius:8px;background:#5fd38d1a;border:1px solid rgba(95,211,141,.25)}.sk-headline strong{color:var(--green)}.sk-cmp-row{display:grid;grid-template-columns:200px 1fr 210px;align-items:center;gap:12px;margin-bottom:8px}.sk-cmp-label{font-size:13px;color:var(--text)}.sk-cmp-label span{display:block;font-size:11px;color:var(--faint)}.sk-cmp-track{background:var(--panel-2);border-radius:6px;height:22px;overflow:hidden}.sk-cmp-fill{height:100%;background:var(--rust);border-radius:6px;transition:width .4s ease}.sk-cmp-fill.win{background:var(--green)}.sk-cmp-val{font-family:var(--mono);font-size:12px;color:var(--muted);text-align:right;line-height:1.5}.sk-cmp-x{color:var(--faint);font-size:11px}.sk-cmp-x.win{color:var(--green)}@media(max-width:720px){.sk-body{grid-template-columns:1fr}.sk-board{max-width:280px;margin:0 auto}.sk-cmp-row{grid-template-columns:110px 1fr}.sk-cmp-val{grid-column:2;text-align:left}}.footer{text-align:center;color:var(--faint);font-size:13px;padding:40px 0 80px}.footer a{color:var(--muted)}@media(max-width:880px){.layout{grid-template-columns:1fr}.sidebar{display:none}.content{padding:24px 20px 120px}}