.docs{--lane-a-c:var(--lane-0);--lane-b-c:var(--lane-2);--lane-c-c:var(--lane-1);--lane-m-c:var(--lane-5)}.doc{max-width:760px;padding:8px var(--g) 96px;margin:0 auto}.doc section{margin-top:56px}.doc section.hero{margin-top:48px}.doc h1{letter-spacing:-.025em;text-wrap:balance;margin:0 0 18px;font-size:clamp(30px,6vw,42px);line-height:1.1}.doc h2{letter-spacing:-.015em;margin:0 0 12px;font-size:24px}.doc h3{margin:28px 0 10px;font-size:18px}.doc h2[id]{scroll-margin-top:72px}.doc p{text-wrap:pretty;margin:0 0 16px}.doc section>ul,.doc section>ol{margin:0 0 18px;padding-left:22px}.doc section>ul li,.doc section>ol li{margin-bottom:6px}.doc .lede{color:var(--fg);font-size:19px;line-height:1.55}.doc :not(pre)>code{font:.88em var(--mono);background:var(--active-line);border:1px solid var(--border);overflow-wrap:anywhere;border-radius:5px;padding:1px 5px}.code{border:1px solid var(--border);background:var(--editor-bg);border-radius:10px;margin:0 0 18px;overflow:hidden}.code figcaption{font:12px var(--mono);color:var(--muted);border-bottom:1px solid var(--border);padding:7px 14px}.code pre{font:13px/1.55 var(--mono);margin:0;padding:12px 14px;overflow-x:auto}.code.lang-shell pre{color:var(--muted)}.code .k{color:var(--syn-keyword);font-weight:600}.code .ty{color:var(--syn-type)}.code .ev{color:var(--syn-event)}.code .nm{color:var(--syn-name)}.code .s{color:var(--syn-string)}.code .n{color:var(--syn-number)}.code .c{color:var(--syn-comment);font-style:italic}.code .op{color:var(--syn-op)}.faq{gap:14px;margin:24px 0 0;display:grid}.faq>div{border-left:3px solid var(--accent);padding:2px 0 2px 14px}.faq dt{font-weight:700}.faq dd{margin:2px 0 0}.compare{border-collapse:collapse;width:100%;margin:20px 0 0;font-size:15px}.compare th,.compare td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 10px}.compare thead th{color:var(--muted);font-size:13px;font-weight:600}.compare tbody th{white-space:nowrap;color:var(--muted);font-weight:600}.compare td:last-child{color:var(--fg);font-weight:500}.compare.ref{margin:8px 0 20px}.compare.ref tbody th{white-space:normal;color:var(--fg)}.compare.ref tbody th code{overflow-wrap:normal;white-space:nowrap}.compare.ref td:last-child{font-weight:400}@media (width<=700px){.compare.opts tr{border-bottom:1px solid var(--border);padding:8px 0;display:block}.compare.opts th,.compare.opts td{border:0;padding:2px 0;display:block}.compare.opts th code{word-break:normal;white-space:normal}}.next ul{margin:0;padding-left:20px}.next li{margin-bottom:6px}.diagram{border:1px solid var(--border);background:var(--panel);border-radius:14px;margin:20px 0 24px;padding:18px}.diagram svg{width:100%;height:auto;display:block;overflow:visible}.diagram-caption{min-height:3.2em;font-size:14.5px;margin:12px 0 0!important}.diagram-caption.bad{color:var(--bad);font-weight:600}.diagram-note{color:var(--muted);font-size:12.5px;margin:6px 0 0!important}.diagram button{font-size:14px}.diagram button.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);font-weight:600}.seg{background:var(--active-line);border:1px solid var(--border);border-radius:10px;margin-bottom:10px;padding:3px;display:inline-flex}.seg button{min-height:30px;color:var(--muted);background:0 0;border:none;border-radius:7px;padding:4px 14px}.seg button.on{background:var(--panel);color:var(--fg);font-weight:600;box-shadow:0 1px 3px #0000001f}.loops .box rect{fill:var(--panel);stroke:var(--border);stroke-width:1.5px;transition:stroke .3s,fill .3s}.loops .box.p rect{fill:color-mix(in srgb, var(--accent) 9%, var(--panel));stroke:color-mix(in srgb, var(--accent) 55%, transparent)}.loops .box.code rect{fill:color-mix(in srgb, var(--lane-1) 9%, var(--panel));stroke:color-mix(in srgb, var(--lane-1) 55%, transparent)}.loops .box.spec rect{fill:color-mix(in srgb, var(--spec) 12%, var(--panel));stroke:var(--spec);stroke-width:2px}.loops .box.spec.flash rect{fill:var(--bad-bg);stroke:var(--bad)}.loops .box-title{fill:var(--fg);font:700 16px system-ui,sans-serif}.loops .box-sub{fill:var(--muted);font:12.5px system-ui,sans-serif}.loops .edge,.loops .side-label,.loops .box text{transition:opacity .4s}.loops .edge.dim,.loops .side-label.dim,.loops .box.dim text{opacity:.32}.loops .box.dim rect{stroke-opacity:.35}.loops .edge path.motion{stroke:none}.loops .edge{color:var(--muted)}.loops .edge path{fill:none;stroke:var(--muted);stroke-width:1.5px;stroke-dasharray:5 5}.loops .edge-label{fill:var(--muted);font:12px system-ui,sans-serif}.loops .side-label{letter-spacing:.1em;fill:var(--muted);font:700 11px system-ui,sans-serif}.loops .pulse{fill:var(--accent)}.loops .pulse.bug{fill:var(--bad)}.loops .result{font:600 13px var(--mono)}.loops .result.good{fill:var(--good)}.loops .result.bad{fill:var(--bad)}.cell{--c:var(--muted);border:1px solid var(--border);background:var(--bg);border-radius:10px;flex-direction:column;align-items:center;gap:2px;min-width:76px;padding:8px 10px;transition:background .3s,border-color .3s;display:flex}.cell-label{color:var(--muted);white-space:nowrap;font-size:11.5px}.cell-value{font:700 22px var(--mono);color:var(--fg)}.cell.changed{border-color:var(--c);background:color-mix(in srgb, var(--c) 14%, var(--panel));animation:.35s ease-out pop}.cell.bad{border-color:var(--bad);background:var(--bad-bg)}.cell.bad .cell-value{color:var(--bad)}.lane-a{--c:var(--lane-a-c)}.lane-b{--c:var(--lane-b-c)}.lane-c{--c:var(--lane-c-c)}.lane-m{--c:var(--lane-m-c)}@keyframes pop{0%{transform:scale(1)}40%{transform:scale(1.08)}to{transform:scale(1)}}.sched-controls{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.sched-body{align-items:flex-start;gap:18px;display:flex}.sched-state{flex-direction:column;flex-shrink:0;gap:8px;display:flex}.sched-state .counter{--c:var(--accent)}.sched-rows{flex:1;gap:6px;min-width:0;margin:0;padding:0;list-style:none;display:grid}.sched-row{border-radius:9px;grid-template-columns:92px 1fr 48px;align-items:center;gap:10px;padding:6px 8px;transition:background .2s,opacity .3s;display:grid}.sched-row.active{background:var(--active-line)}.sched-row.pending{opacity:.35}.row-label{color:var(--muted);white-space:nowrap;font-size:12.5px}.chips{flex-wrap:wrap;gap:5px;display:flex}.chip{font:12px var(--mono);white-space:nowrap;border:1px solid color-mix(in srgb, var(--c) 45%, transparent);color:color-mix(in srgb, var(--c) 75%, var(--fg));background:var(--panel);border-radius:6px;padding:3px 8px;transition:background .2s}.chip.ran{background:color-mix(in srgb, var(--c) 12%, var(--panel))}.chip.now{background:var(--c);color:var(--panel);border-color:var(--c)}.verdict{font:700 14px var(--mono);text-align:right}.verdict.good{color:var(--good)}.verdict.bad{color:var(--bad)}.tracedemo-body{align-items:flex-start;gap:18px;display:flex}.tracedemo-body svg{flex:1;min-width:0}.tracedemo-state{flex-direction:column;flex-shrink:0;gap:8px;display:flex}.tracedemo-state .cell{min-width:108px}.sq-lane line{stroke:color-mix(in srgb, var(--c) 35%, transparent);stroke-width:2px;stroke-linecap:round}.sq-lane-label{fill:color-mix(in srgb, var(--c) 70%, var(--fg));font:600 13px system-ui,sans-serif}.sq-lane.lane-a,.sq-msg.lane-a{--c:var(--lane-a-c)}.sq-lane.lane-b,.sq-msg.lane-b{--c:var(--lane-b-c)}.sq-lane.lane-c,.sq-msg.lane-c{--c:var(--lane-c-c)}.sq-lane.lane-m,.sq-msg.lane-m{--c:var(--lane-m-c)}.sq-msg line{stroke:var(--c);stroke-width:1.8px;opacity:.55}.sq-msg .sq-msg-label{font:12px var(--mono);fill:var(--muted)}.sq-msg.now line{opacity:1;stroke-width:2.4px;stroke-dasharray:1;stroke-dashoffset:1px;animation:.6s ease-out forwards draw}.sq-msg.now .sq-msg-label{fill:var(--fg);font-weight:600;animation:.5s ease-out fade}.sq-msg.lost .sq-msg-label{fill:var(--bad);font-weight:600}.sq-msg.lost line{stroke:var(--bad);opacity:.9}.assert-fail circle{fill:var(--bad);animation:.3s ease-out fade}.assert-fail text{fill:#fff;font:700 13px system-ui,sans-serif}@keyframes draw{to{stroke-dashoffset:0}}@keyframes fade{0%{opacity:0}to{opacity:1}}.step-no{font:600 12px var(--mono);color:var(--muted);margin-right:4px}.player{align-items:center;gap:6px;margin-top:10px;display:flex}.player button{min-width:40px}.player input[type=range]{flex:1;min-width:60px}.flow{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid;position:relative}.flow-step button{background:var(--bg);border:1px solid var(--border);text-align:left;border-radius:10px;flex-direction:column;align-items:flex-start;gap:2px;width:100%;height:100%;padding:10px;transition:background .35s,border-color .35s,transform .35s;display:flex}.flow-step.p-step button{border-style:dashed;border-color:color-mix(in srgb, var(--accent) 50%, var(--border))}.flow-step.active button{background:color-mix(in srgb, var(--accent) 14%, var(--panel));border:1px solid var(--accent);transform:translateY(-2px)}.flow-no{font:700 11px var(--mono);color:var(--muted)}.flow-title{font-size:14.5px;font-weight:700}.flow-who{color:var(--muted);font-size:12px}.flow-loop{color:var(--muted);text-align:center;border:1px dashed #0000;border-radius:8px;margin:10px 0 0;padding:4px 8px;font-size:12.5px;transition:all .35s}.flow-loop.on{color:var(--bad);border-color:color-mix(in srgb, var(--bad) 50%, transparent);background:var(--bad-bg)}@media (width<=700px){.doc .lede{font-size:17px}.doc section{margin-top:44px}.diagram{margin-left:calc(var(--g) * -.5);margin-right:calc(var(--g) * -.5);padding:12px}.sched-body,.tracedemo-body{flex-direction:column}.sched-state,.tracedemo-state{flex-direction:row;width:100%}.sched-state .cell,.tracedemo-state .cell{flex:1;min-width:0}.sched-row{grid-template-columns:1fr 44px}.row-label{grid-column:1/-1}.flow{grid-template-columns:repeat(3,minmax(0,1fr))}.compare th,.compare td{padding:7px 6px}.compare.ref tbody th code{overflow-wrap:anywhere;white-space:normal}}@media (prefers-reduced-motion:reduce){.docs *,.docs :before,.docs :after{transition:none!important;animation:none!important}.sq-msg.now line{stroke-dashoffset:0}}.loops svg.narrow{overflow:hidden}.loops svg.narrow .dim,.loops svg.narrow .box.dim rect{opacity:0;stroke-opacity:0}.docs-header{z-index:5;position:sticky;top:0}.docs-header .site-top{position:static}.docs-menu{background:var(--panel);border-bottom:1px solid var(--border);display:none}.docs-shell{grid-template-columns:240px minmax(0,1fr);width:100%;max-width:1120px;margin:0 auto;display:grid}.docs-side{padding:40px 16px 24px var(--g);align-self:start;max-height:calc(100vh - 52px);font-size:14px;position:sticky;top:52px;overflow-y:auto}.docs-index .side-head{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;font-size:11.5px;font-weight:700}.docs-index ul{margin:0 0 22px;padding:0;list-style:none}.docs-index a{color:var(--fg);border-radius:7px;margin-left:-10px;padding:5px 10px;text-decoration:none;display:block}.docs-index a:hover{background:var(--active-line)}.docs-index a[aria-current=page]{background:color-mix(in srgb, var(--accent) 12%, transparent);color:var(--accent);font-weight:600}.docs-index a span{color:var(--muted);font-size:12px}.doc{margin:0}.doc .eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin:0 0 6px;font-size:13px;font-weight:700}.doc h1+.subtitle{color:var(--muted);margin:-8px 0 24px;font-size:18px}@media (width<=960px){.docs-shell{display:block}.docs-side{display:none}.docs-menu{display:block}.doc h2[id]{scroll-margin-top:120px}.docs-menu summary{min-height:44px;padding:8px var(--g);cursor:pointer;justify-content:space-between;align-items:center;gap:16px;font-size:14px;font-weight:600;list-style:none;display:flex}.docs-menu summary::-webkit-details-marker{display:none}.docs-menu summary:hover{background:var(--active-line)}.docs-menu summary:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.docs-menu-current{color:var(--muted);font-weight:400}.docs-menu-chevron{border-bottom:1.5px solid;border-right:1.5px solid;flex-shrink:0;width:8px;height:8px;margin-right:4px;transform:rotate(45deg)translateY(-2px)}.docs-menu[open] .docs-menu-chevron{transform:rotate(225deg)translate(-2px,-1px)}.docs-menu .docs-index{padding:16px calc(var(--g) + 10px) 0;border-top:1px solid var(--border);overscroll-behavior:contain;max-height:calc(100dvh - 120px);font-size:14px;overflow-y:auto}.docs-menu .docs-index a{align-items:center;gap:4px;min-height:44px;display:flex}.docs-menu .docs-index ul{margin-bottom:16px}.doc{margin:0 auto}}.parity-table{margin-bottom:20px;overflow-x:auto}.parity-table .compare{margin-bottom:0}.parity-table caption{text-align:left;padding:8px 10px;font-weight:600}
