@font-face{font-family:Geist;src:url(/fonts/geist.woff2)format("woff2");font-weight:100 900;font-style:normal;font-display:swap}:root{--fg:#0d0d0d;--bg:#fff;--surface:#f4f4f4;--surface-2:#ececec;--muted:#5d5d5d;--faint:#6b6b6b;--border:#00000014;--rule-strong:#00000029;--link:var(--fg);--live:#10a37f;--live-text:#087556;--held:#d69e2e;--brand:var(--fg);--on-brand:var(--bg);--code-bg:#f4f4f4;--panel:#fff;--r-sm:10px;--r:16px;--r-lg:24px;--radius:var(--r);--max:78rem;--measure:38rem;--sans:"Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;--display:var(--sans);--mono:ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;--ease:cubic-bezier(.2, .7, .1, 1);color-scheme:light dark;--r-1:6px;--r-2:8px;--r-3:12px;--r-4:16px;--shadow-pop:0 0 0 1px var(--border), 0 4px 12px -2px #0000000f, 0 14px 36px -10px #00000038;--shadow-dlg:0 0 0 1px var(--border), 0 24px 64px -16px #00000059;--icon-stroke:2;--fs-11:11px;--fs-12:12px;--fs-13:13px;--fs-14:14px;--fs-15:15px;--canvas:#fafafa;--claude:#7c3aed;--tone-must:#315faa;--tone-never:#b04b4b;--tone-may:#357d56;--tone-warning:#8b662d;--tone-important:var(--claude);--tone-agent:#4e7fcb;--tone-human:#a57d37;--wrap:1120px;--gutter:48px;--control-h:36px;--control-line:20px;--action-gap:12px}@media (prefers-color-scheme:dark){:root{--fg:#ececec;--bg:#000;--surface:#121212;--surface-2:#1c1c1c;--muted:#a3a3a3;--faint:#858585;--border:#ffffff1a;--rule-strong:#fff3;--live:#34d399;--live-text:#34d399;--code-bg:#171717;--panel:#0d0d0d;--shadow-pop:0 0 0 1px var(--border), 0 4px 12px -2px #0000004d, 0 14px 36px -10px #00000080;--shadow-dlg:0 0 0 1px var(--border), 0 24px 64px -16px #0009;--canvas:#0e0e0e;--claude:#a78bfa;--tone-must:#9bb7e4;--tone-never:#e59a9a;--tone-may:#89c0a1;--tone-warning:#d2b07b}}:is(body.bare,html.app){--layer-nav:#f9f9f9;--canvas:var(--bg);--elev:#fff;--elev-2:#fff;--hover:#0000000d;--hover-2:#00000014;--shadow-float:0 0 0 1px #0000001a;--shadow-pop:0 0 0 1px #0000001a}@media (prefers-color-scheme:dark){:is(body.bare,html.app){--bg:#212121;--surface:#2f2f2f;--surface-2:#383838;--muted:#b4b4b4;--faint:#a0a0a0;--border:#ffffff1a;--rule-strong:#ffffff2e;--code-bg:#2a2a2a;--panel:#2a2a2a;--layer-nav:#181818;--elev:#2c2c2c;--elev-2:#3a3a3a;--hover:#ffffff0f;--hover-2:#ffffff1a;--shadow-float:0 0 0 1px #ffffff1a;--shadow-pop:0 0 0 1px #ffffff1a}}:root :is(instruction-md,instruction-md-static,.imd-themed){--imd-font:var(--sans);--imd-font-mono:var(--mono);--imd-fg:var(--fg);--imd-bg:transparent;--imd-muted:var(--muted);--imd-border:var(--border);--imd-link:var(--fg);--imd-code-bg:var(--code-bg);--imd-surface:var(--surface);--imd-raised:var(--panel);--imd-tone-must:var(--tone-must);--imd-tone-should:var(--tone-must);--imd-tone-note:var(--tone-must);--imd-tone-never:var(--tone-never);--imd-tone-guardrail:var(--tone-never);--imd-tone-may:var(--tone-may);--imd-tone-tip:var(--tone-may);--imd-tone-warning:var(--tone-warning);--imd-tone-caution:var(--tone-warning);--imd-tone-important:var(--tone-important);--imd-tone-example:var(--muted);--imd-tone-output:var(--muted);--imd-object:var(--fg);--imd-chip-bg:var(--surface);--imd-chip-fg:var(--fg)}:root :is(instruction-md,instruction-md-static){--imd-radius:var(--r-3);--imd-max-width:100%}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{background:var(--bg);color:var(--fg);font:400 16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}[hidden]{display:none!important}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}a{color:inherit;text-underline-offset:4px}:focus-visible{outline:2px solid var(--fg);outline-offset:5px}::selection{background:color-mix(in oklab, var(--fg) 16%, transparent)}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-weight:500}pre,code{font-family:var(--mono)}pre{margin:0}.ic{fill:none;stroke:currentColor;width:16px;height:16px;stroke-width:var(--icon-stroke);stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex:none}.sr-only,.skip-link:not(:focus){clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link:focus{z-index:100;background:var(--fg);color:var(--bg);padding:10px 15px;position:fixed;top:10px;left:10px}@media (width<=760px){html{scroll-padding-top:80px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}.site-button{background:var(--fg);color:var(--bg);border-radius:var(--r-2);min-height:44px;font-size:var(--fs-13);font-weight:500;line-height:var(--control-line);vertical-align:middle;white-space:nowrap;border:0;justify-content:center;align-items:center;gap:8px;padding:12px 18px;text-decoration:none;transition:opacity .15s;display:inline-flex}.site-button:hover{opacity:.8}.site-button.secondary{color:var(--fg);background:var(--surface)}.site-button.secondary:hover{opacity:1;background:var(--surface-2)}.site-button.small{min-height:var(--control-h);font-size:var(--fs-12);margin-left:0;padding:8px 14px}.site-button .ic{width:14px;height:14px}.text-link{font-size:var(--fs-12);font-weight:500;line-height:var(--control-line);align-items:center;gap:8px;text-decoration:none;display:inline-flex}.text-link:hover{text-decoration:underline}.text-link .ic{width:13px;height:13px}.site-actions{gap:var(--action-gap);flex-wrap:wrap;align-items:center;display:flex}.site-actions>.text-link{min-height:44px;font-size:var(--fs-13);padding:12px 18px}.page-hero{gap:22px;max-width:760px;padding-block:56px 48px;display:grid}.page-hero h1{letter-spacing:-.047em;text-wrap:balance;font-size:clamp(36px,3.6vw,46px);line-height:1.12}.page-lead{color:var(--muted);max-width:640px;font-size:17px;line-height:1.75}.page-hero>p:not(.overline):not(.page-lead){color:var(--muted);max-width:640px;font-size:15px;line-height:1.8}.overline{letter-spacing:0;color:var(--muted);font-size:12px;font-weight:500;line-height:1.6}.section-heading{gap:20px;max-width:640px;margin-bottom:48px;display:grid}.section-heading>*{min-width:0}.section-heading .overline{color:var(--fg);align-items:center;gap:10px;display:flex}.section-heading .overline:before{content:"";background:currentColor;flex:none;width:6px;height:6px}.section-heading h2{letter-spacing:-.045em;margin-top:14px;font-size:38px;line-height:1.14}.section-heading>p{color:var(--muted);max-width:600px;font-size:16px;line-height:1.75}.sample-caption{letter-spacing:0;color:var(--muted);justify-content:space-between;align-items:center;gap:14px;min-height:24px;margin-bottom:23px;font-size:11px;font-weight:500;display:flex}.source-sample{background:var(--layer-nav);border-radius:var(--r-3);min-width:0;padding:21px 24px;position:relative}.source-sample.bare>.copy-source{z-index:1;position:absolute;top:14px;right:18px}@media (hover:hover) and (pointer:fine){.source-sample .copy-source{opacity:0;transition:opacity .15s}.source-sample:is(:hover,:focus-within) .copy-source{opacity:1}}.source-sample pre{white-space:pre-wrap;overflow-wrap:anywhere;tab-size:2;color:var(--muted);font-size:12px;line-height:1.9}.source-sample pre code{font:inherit}.source-sample.compact pre{font-size:12px;line-height:1.85}.source-sample.compact .sample-caption{margin-bottom:14px}.highlighted-code{white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;background:0 0!important}.highlighted-code,.highlighted-code span{color:var(--shiki-light,var(--fg))}@media (prefers-color-scheme:dark){.highlighted-code,.highlighted-code span{color:var(--shiki-dark,var(--fg))}}.highlighted-code span[style*="--shiki-light:#6E7781"]{color:#59636e}@media (prefers-color-scheme:dark){.highlighted-code span[style*="--shiki-light:#6E7781"]{color:var(--shiki-dark,var(--fg))}}.quiet-button{border-radius:var(--r-1);color:var(--faint);letter-spacing:0;background:0 0;border:0;align-items:center;gap:5px;margin-right:-6px;padding:4px 6px;font-size:11px;font-weight:400;line-height:16px;display:inline-flex}.quiet-button:hover{background:var(--hover);color:var(--fg)}.quiet-button .ic{width:12px;height:12px}.subtle-badge{border-radius:var(--r-1);background:var(--surface);color:var(--muted);letter-spacing:0;margin-left:auto;padding:3px 7px;font-size:11px;font-weight:400}.object-pill{background:var(--surface);border-radius:var(--r-1);font-size:inherit;vertical-align:middle;border:0;align-items:center;gap:7px;width:fit-content;max-width:100%;padding:4px 8px;font-weight:500;line-height:16px;text-decoration:none;display:inline-flex}.object-pill:hover{background:var(--hover)}.object-pill .ic{width:1em;height:1em}.initial-avatar{background:var(--surface-2);border-radius:50%;place-items:center;width:17px;height:17px;font-size:8px;display:grid}.pill-detail{color:var(--faint);padding-left:8px;font-size:11px;font-weight:400}.inline-details{border:0;margin-top:22px;font-size:12px}.inline-details summary{cursor:pointer;font-size:11px;line-height:var(--control-line);color:var(--muted);justify-content:space-between;align-items:center;gap:15px;padding-block:15px;list-style:none;display:flex}.inline-details summary::-webkit-details-marker{display:none}.inline-details summary .ic{width:13px;height:13px}.inline-details[open]>summary>.ic{transform:rotate(45deg)}.inline-details .source-sample{margin-block:8px 15px}.inline-details>p{margin-block:0 15px}.footnote{color:var(--faint);margin-top:18px;font-size:12px;line-height:1.75}.muted{color:var(--muted)}@media (width<=760px){.page-hero{gap:18px;padding-block:38px 32px}.page-hero h1{font-size:34px}.page-lead{font-size:16px}.overline{font-size:11px}.sample-caption{margin-bottom:17px}.section-heading{gap:16px;margin-bottom:32px}.section-heading h2{margin-top:12px;font-size:31px}.section-heading>p{max-width:none;font-size:15px}.source-sample{padding:19px 20px}.source-sample.compact pre{font-size:11px}}.site-wrap{width:min(var(--wrap), calc(100% - var(--gutter) * 2));margin-inline:auto}.site-wrap h2[tabindex="-1"]:focus{outline:none}.site-header{z-index:20;background:color-mix(in oklab, var(--bg) 82%, transparent);backdrop-filter:blur(18px);position:sticky;top:0}.header-inner{align-items:center;gap:24px;height:68px;display:flex}.site-logo{min-height:var(--control-h);color:var(--fg);font-size:var(--fs-15);letter-spacing:-.02em;white-space:nowrap;align-items:center;gap:10px;font-weight:600;text-decoration:none;display:inline-flex}.site-mark{border-radius:var(--r-1);background:var(--fg);width:24px;height:24px;color:var(--bg);flex:none;display:grid}.site-mark>.logo{width:100%;height:100%;display:block}.header-inner nav{gap:var(--action-gap);font-size:var(--fs-12);font-weight:500;line-height:var(--control-line);align-items:center;margin-left:auto;display:flex}.header-inner nav a{color:var(--fg);white-space:nowrap;text-decoration:none}.header-link{min-height:var(--control-h);border-radius:var(--r-2);justify-content:center;align-items:center;padding:8px 12px;display:inline-flex}.header-link:hover{background:var(--hover)}.header-link[aria-current]{background:var(--surface)}.header-inner nav a.site-button{color:var(--bg)}.header-inner nav .ic{width:12px;height:12px;margin-left:2px}.contents-rail{--contents-scroll:0;--contents-first:20px;--contents-middle:14px;--contents-last:11px;--contents-first-shift:0px;--contents-middle-shift:3px;--contents-last-shift:0px;top:50%;left:max(16px, calc((100vw - var(--wrap)) / 2 - 64px));z-index:15;width:30px;position:fixed;transform:translateY(-50%)}.contents-trigger{border-radius:var(--r-2);width:30px;height:30px;color:var(--faint);background:0 0;border:0;align-items:center;padding:0 0 0 7px;transition:color .16s;display:flex}.contents-trigger:hover{color:var(--fg);background:var(--hover)}.contents-rail[data-at-top] .contents-trigger{color:var(--fg)}.contents-label{display:none}.contents-mark{width:var(--contents-first);opacity:.45;flex:none;align-content:center;gap:3px;transition:opacity .16s;display:grid}.contents-mark i{height:2px;width:calc(var(--contents-first) - var(--contents-scroll) * var(--contents-first-shift));transition:width .16s var(--ease);background:currentColor;border-radius:1px;display:block}.contents-mark i:nth-child(2){width:calc(var(--contents-middle) - var(--contents-scroll) * var(--contents-middle-shift))}.contents-mark i:nth-child(3){width:calc(var(--contents-last) - var(--contents-scroll) * var(--contents-last-shift))}.contents-rail[data-at-top] .contents-mark,.contents-trigger:is(:hover,:focus-visible,[aria-expanded=true]) .contents-mark{opacity:1}.contents-ticks{gap:3px;padding-top:0;display:grid}.contents-ticks a{align-items:center;height:14px;padding-left:7px;text-decoration:none;display:flex;position:relative}.contents-ticks i{background:var(--faint);opacity:.45;width:11px;height:2px;transition:width .16s var(--ease), opacity .16s, background .16s;border-radius:1px;display:block}.contents-ticks a[aria-current] i{opacity:1;background:var(--fg);width:20px}.contents-ticks a>span{white-space:nowrap;background:var(--fg);color:var(--bg);border-radius:var(--r-1);padding:4px 8px;font-size:11px;display:none;position:absolute;left:34px}.contents-ticks a:hover>span,.contents-ticks a:focus-visible>span{display:block}.contents-dialog{border:0;border-right:1px solid var(--border);background:var(--layer-nav);width:320px;max-width:calc(100vw - 24px);height:100dvh;max-height:100dvh;color:var(--fg);margin:0;padding:24px 16px 20px;position:fixed;inset:0 auto 0 0;overflow:hidden}.contents-dialog[open]{flex-direction:column;display:flex}.contents-dialog::backdrop{background:#0000002e}.contents-top{flex:none;justify-content:space-between;align-items:start;gap:12px;padding-inline:8px;display:flex}.contents-brand{align-items:center;gap:10px;min-height:24px;display:flex}.contents-brand .site-mark{border-radius:4px;width:14px;height:14px}.contents-top h2{letter-spacing:-.02em;font-size:13px;font-weight:500;line-height:20px}.contents-top p{color:var(--faint);margin-top:4px;padding-left:24px;font-size:11px;line-height:1.8}.contents-close{border-radius:var(--r-2);width:32px;height:32px;color:var(--muted);background:0 0;border:0;flex:none;place-items:center;margin-right:-4px;display:grid}.contents-close:hover{color:var(--fg);background:var(--hover)}.contents-close .ic{width:14px;height:14px}.contents-search{border:1px solid var(--border);background:var(--bg);border-radius:var(--r-2);flex:none;align-items:center;gap:8px;min-height:40px;margin:22px 8px 18px;padding:9px 11px;display:flex}.contents-search .ic{width:13px;height:13px;color:var(--faint)}.contents-search input{color:var(--fg);background:0 0;border:0;outline:0;width:100%;min-width:0;padding:0;font-size:12px;line-height:20px}.contents-search:focus-within{border-color:var(--faint)}.contents-search kbd{font:11px var(--sans);background:var(--surface);color:var(--faint);border-radius:4px;padding:2px 5px}.contents-scroll{overscroll-behavior:contain;scrollbar-width:thin;flex:1;min-height:0;padding-bottom:8px;overflow-y:auto}.contents-group{color:var(--faint);margin:20px 12px 7px;font-size:11px;font-weight:500;line-height:20px}.contents-group:first-child{margin-top:0}.contents-dialog nav a{border-radius:var(--r-2);min-height:40px;color:var(--muted);margin-block:2px;padding:10px 12px;font-size:13px;line-height:20px;text-decoration:none;display:block}.contents-dialog nav a:hover{background:var(--hover);color:var(--fg)}.contents-dialog nav a[aria-current]{background:var(--surface);color:var(--fg);font-weight:500}.contents-dialog :is(a,button):focus-visible{outline:2px solid var(--faint);outline-offset:-2px}.contents-reference{color:var(--fg);flex:none;align-items:center;margin:16px 12px 0;padding-block:10px;font-size:12px;font-weight:500;line-height:20px;text-decoration:none;display:flex}.contents-reference:hover{text-decoration:underline}.contents-empty{color:var(--faint);padding:16px 12px;font-size:12px;line-height:1.8}@media (height<=560px){.contents-ticks{display:none}}@media (forced-colors:active){.contents-ticks i,.contents-mark i{forced-color-adjust:none;background:canvastext}.contents-ticks a[aria-current] i{background:highlight}}@media (width<=1200px){.contents-rail{--contents-first:14px;--contents-middle:10px;--contents-last:8px;--contents-first-shift:0px;--contents-middle-shift:2px;--contents-last-shift:0px;width:auto;top:auto;bottom:20px;left:20px;transform:none}.contents-trigger{background:var(--elev);width:auto;height:34px;box-shadow:var(--shadow-float);gap:6px;padding:7px 10px;font-size:11px;display:inline-flex}.contents-label{display:inline}.contents-ticks{display:none}}@media (prefers-reduced-motion:reduce){.contents-mark i{width:var(--contents-first)}.contents-mark i:nth-child(2),.contents-mark i:nth-child(3){width:var(--contents-last)}}.site-footer{background:var(--layer-nav);padding-block:48px 24px}.footer-brand{letter-spacing:-.02em;align-items:center;gap:10px;font-size:13px;font-weight:500;text-decoration:none;display:inline-flex}.footer-brand .site-mark{border-radius:4px;width:16px;height:16px}.footer-main{grid-template-columns:1.3fr 1fr 1fr 1.15fr;gap:44px;display:grid}.footer-about>p{max-width:260px;color:var(--muted);margin-top:20px;font-size:12px;line-height:1.85}.footer-draft{color:var(--faint);margin-top:18px;font-size:11px;display:inline-block}.footer-group{flex-direction:column;align-items:start;gap:11px;display:flex}.footer-group h2{margin-bottom:8px;font-size:12px;font-weight:500}.footer-group>a{color:var(--muted);font-size:11px;line-height:1.75;text-decoration:none}.footer-group>a:hover{color:var(--fg);text-decoration:underline}.footer-examples{justify-content:space-between;align-items:center;gap:30px;margin-top:30px;padding-block:28px;display:flex}.footer-examples>div:first-child>span{font-size:13px}.footer-examples p{color:var(--muted);margin-top:7px;font-size:11px;line-height:1.8}.footer-example-links{flex-wrap:wrap;gap:10px;display:flex}.footer-example-links>a{border-radius:var(--r-2);background:var(--bg);align-items:center;gap:8px;padding:9px 11px;font-size:11px;text-decoration:none;display:inline-flex}.footer-example-links>a:hover{background:var(--surface)}.footer-example-links .ic{width:13px;height:13px;color:var(--muted)}.footer-bottom{color:var(--faint);align-items:center;gap:25px;margin-top:5px;padding-top:15px;font-size:11px;display:flex}.footer-bottom>p{color:var(--faint);font-size:11px}.footer-format{font:11px var(--mono);color:var(--faint);margin-left:auto}.theme-control{align-items:center;gap:3px;display:flex}.theme-control button{border-radius:var(--r-1);width:29px;height:29px;color:var(--faint);background:0 0;border:0;place-items:center;display:grid}.theme-control button[aria-pressed=true],.theme-control button:hover{background:var(--hover);color:var(--fg)}.theme-control .ic{width:14px;height:14px}@media (width<=1020px){:root{--gutter:32px}.header-inner{gap:32px}.footer-main{grid-template-columns:1.2fr 1fr 1fr 1.1fr;gap:26px}.footer-examples{align-items:start}.footer-example-links{flex-direction:column}}@media (width<=760px){:root{--gutter:20px}.header-inner{gap:22px;height:63px}.site-mark{width:22px;height:22px}.contents-rail{bottom:13px;left:12px}.site-footer{padding-block:35px 24px}.footer-main{grid-template-columns:1fr 1fr;gap:30px 24px}.footer-about{grid-column:1/-1}.footer-about>p{max-width:360px;margin-top:13px}.footer-draft{margin-top:12px}.footer-group{gap:9px}.footer-group h2{margin-bottom:4px}.footer-examples{flex-direction:column;gap:20px;margin-top:18px;padding-bottom:20px}.footer-example-links{flex-direction:row;gap:8px}.footer-example-links>a{font-size:11px}.footer-bottom{flex-wrap:wrap;gap:16px;margin-top:0}.footer-bottom>p{width:100%}.footer-format{margin-left:0}.footer-bottom .theme-control{margin-left:auto}}@media (width<=480px){.site-logo>.site-name{display:none}.footer-group>a{font-size:12px}}