@keyframes astroFadeInOut{0%{opacity:1}to{opacity:0}}@keyframes astroFadeIn{0%{opacity:0;mix-blend-mode:plus-lighter}to{opacity:1;mix-blend-mode:plus-lighter}}@keyframes astroFadeOut{0%{opacity:1;mix-blend-mode:plus-lighter}to{opacity:0;mix-blend-mode:plus-lighter}}@keyframes astroSlideFromRight{0%{transform:translate(100%)}}@keyframes astroSlideFromLeft{0%{transform:translate(-100%)}}@keyframes astroSlideToRight{to{transform:translate(100%)}}@keyframes astroSlideToLeft{to{transform:translate(-100%)}}@media (prefers-reduced-motion){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*),[data-astro-transition-scope]{animation:none!important}}@font-face{font-family:SB Sans Display;font-weight:400;font-style:normal;font-display:swap;src:url(/fonts/SBSansDisplay-Regular.woff2)format("woff2")}@font-face{font-family:SB Sans Display;font-weight:400;font-style:italic;font-display:swap;src:url(/fonts/SBSansText-Italic.woff2)format("woff2")}@font-face{font-family:SB Sans Display;font-weight:500;font-style:normal;font-display:swap;src:url(/fonts/SBSansDisplay-Medium.woff2)format("woff2")}@font-face{font-family:SB Sans Display;font-weight:600;font-style:normal;font-display:swap;src:url(/fonts/SBSansDisplay-Semibold.woff2)format("woff2")}@font-face{font-family:SB Sans Text;font-weight:500;font-style:normal;font-display:swap;src:url(/fonts/SBSansText-Medium.woff2)format("woff2")}@font-face{font-family:SB Sans Text;font-weight:600;font-style:normal;font-display:swap;src:url(/fonts/SBSansText-Semibold.woff2)format("woff2")}@font-face{font-family:SB Serif Display;font-weight:300;font-style:normal;font-display:swap;src:url(/fonts/SBSerifDisplay-Light.woff2)format("woff2")}@font-face{font-family:SB Serif Display;font-weight:400;font-style:normal;font-display:swap;src:url(/fonts/SBSerifDisplay-Regular.woff2)format("woff2")}:root{color-scheme:light;--bg:#fafafa;--bg-soft:#f2f2f2;--bg-raised:#fff;--text:#0a0a0a;--text-2:#666;--text-3:#737373;--line:#0a0a0a14;--line-strong:#0a0a0a24;--accent:#107f2c;--accent-soft:#e6f4ea;--do:#107f2c;--dont:#c4231c;--focus:#0a66d8;--pill-bg:#ececf0db;--demo-bg:#f3f5f7;--stage:#fff;--stage-line:#0a0a0a1a;--track:#0a0a0a1a;--panel-track:#d0d4d8;--switch-off:#d0d4d8;--knob:#fff;--knob-on:#fff;--guide:#ec4899;--text-body:color-mix(in srgb, var(--text) 60%, transparent);--text-meta:color-mix(in srgb, var(--text) 50%, transparent);--text-nav:color-mix(in srgb, var(--text) 40%, transparent);--line-nav:color-mix(in srgb, var(--text) 10%, transparent);--chip:color-mix(in srgb, var(--text) 7%, transparent);--on-accent:#fff;--radius:14px;--radius-sm:10px;--topbar-h:56px;--gutter:16px;--sidebar-w:224px;--text-w:576px;--side-gap:32px;--font:"SB Sans Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display:"SB Serif Display", "Iowan Old Style", Charter, Georgia, serif;--ease-standard:cubic-bezier(.2, 0, 0, 1);--ease-spring:cubic-bezier(.22, 1, .36, 1);--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace}@media (width>=640px){:root{--gutter:24px}}@media (width>=1280px){:root{--gutter:64px}}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#111113;--bg-soft:#1c1c1f;--bg-raised:#1c1c1f;--text:#f5f5f7;--text-2:#b4b4ba;--text-3:#8e8e94;--line:#2c2c31;--line-strong:#3a3a40;--accent:#4cc970;--accent-soft:#15301d;--do:#4cc970;--dont:#ff6b61;--focus:#5aa2ff;--pill-bg:#2c2c31e0;--demo-bg:#ffffff0d;--stage:#111113;--stage-line:#ffffff1a;--track:#ffffff1a;--panel-track:#ffffff1a;--switch-off:#3f3f46;--knob:#d4d4d8;--knob-on:#27272a;--guide:#f472b6;--on-accent:#0b1f10}}:root[data-theme=dark]{color-scheme:dark;--bg:#111113;--bg-soft:#1c1c1f;--bg-raised:#1c1c1f;--text:#f5f5f7;--text-2:#b4b4ba;--text-3:#8e8e94;--line:#2c2c31;--line-strong:#3a3a40;--accent:#4cc970;--accent-soft:#15301d;--do:#4cc970;--dont:#ff6b61;--focus:#5aa2ff;--pill-bg:#2c2c31e0;--demo-bg:#ffffff0d;--stage:#111113;--stage-line:#ffffff1a;--track:#ffffff1a;--panel-track:#ffffff1a;--switch-off:#3f3f46;--knob:#d4d4d8;--knob-on:#27272a;--guide:#f472b6;--on-accent:#0b1f10}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}.article [id]{scroll-margin-top:calc(var(--topbar-h) + 16px)}body{background:var(--bg);color:var(--text);font:15px/20px var(--font);-webkit-font-smoothing:antialiased;margin:0}img{max-width:100%;height:auto}a{color:var(--accent);text-decoration:none}a:hover{text-underline-offset:3px;text-decoration:underline}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.012em;text-wrap:balance;font-weight:400;line-height:1.15}p,li,blockquote{text-wrap:pretty}b,strong{font-weight:500}code,kbd{font-family:var(--mono);font-size:.85em}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip{background:var(--bg);z-index:100;border-radius:8px;padding:8px 12px;position:absolute;top:-48px;left:8px}.skip:focus{top:8px}.topbar{z-index:20;height:var(--topbar-h);background:color-mix(in srgb, var(--bg) 86%, transparent);backdrop-filter:saturate(140%)blur(12px);transition:border-color .2s var(--ease-standard);border-bottom:1px solid #0000;position:sticky;top:0}.topbar[data-scrolled="1"]{border-bottom-color:var(--line)}.topbar-inner{height:100%;padding:0 var(--gutter);grid-template-columns:minmax(max-content,1fr) minmax(0,400px) minmax(max-content,1fr);align-items:center;gap:12px;display:grid}.topbar-wide .topbar-inner{max-width:1440px;margin:0 auto}.topbar-wide{transition:border-color .2s var(--ease-standard), background-color .2s var(--ease-standard)}.topbar-wide:not([data-scrolled="1"]){backdrop-filter:none;background-color:#0000}.topbar-start,.topbar-actions{align-items:center;gap:8px;display:flex}.topbar-center{min-width:0}.topbar-actions{justify-content:flex-end}.brand{font:400 20px/1.2 var(--font-display);color:var(--text);letter-spacing:-.018em}.brand:hover{text-decoration:none}.icon-btn{width:36px;height:36px;color:var(--text-2);cursor:pointer;background:0 0;border:0;border-radius:10px;place-items:center;display:inline-grid}.icon-btn:hover{background:var(--bg-soft);color:var(--text)}.search-open,.menu-btn{display:none}.site-search{position:relative}.search-field{background:color-mix(in srgb, var(--text) 4.3%, transparent);height:36px;color:var(--text-3);cursor:text;transition:background-color .12s var(--ease-standard), box-shadow .12s var(--ease-standard);border-radius:999px;align-items:center;gap:10px;padding:0 12px 0 14px;font-size:14px;line-height:20px;display:flex}.search-field:hover{background:color-mix(in srgb, var(--text) 7%, transparent)}.search-field:focus-within{background:var(--bg-raised);box-shadow:0 0 0 1px var(--line-strong), 0 1px 2px #0000000a, 0 2px 8px #0000000a}.search-field>svg{flex:none}.search-field input{min-width:0;height:100%;color:var(--text);font:inherit;letter-spacing:0;-webkit-appearance:none;appearance:none;background:0 0;border:0;border-radius:0;outline:0;flex:1;margin:0;padding:0}.search-field input::placeholder{color:var(--text-3);opacity:1}.search-kbd{font:12px/16px var(--font);color:var(--text-3);opacity:0;transition:opacity .15s var(--ease-standard);flex:none}.search-field:hover .search-kbd{opacity:1}.search-field:focus-within .search-kbd,.search-field:has(input:not(:placeholder-shown)) .search-kbd{display:none}.search-clear{width:24px;height:24px;color:var(--text-2);cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;place-items:center;margin-right:-6px;padding:0;display:grid}.search-clear:hover{background:color-mix(in srgb, var(--text) 6%, transparent);color:var(--text)}.search-clear[hidden]{display:none}.search-panel{max-height:min(560px, calc(100dvh - var(--topbar-h) - 16px));overscroll-behavior:contain;border:1px solid var(--line);background:var(--bg-raised);animation:search-in .16s var(--ease-standard);border-radius:20px;padding:6px;font-size:14px;line-height:20px;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow-y:auto;box-shadow:0 2px 6px #0000000d,0 12px 32px #00000014}@keyframes search-in{0%{opacity:0;translate:0 -4px}}.search-list{gap:2px;display:grid}.search-option{color:var(--text-2);border-radius:12px;padding:8px 12px 8px 24px;display:block}.search-option:hover{text-decoration:none}.search-option[aria-selected=true]{background:color-mix(in srgb, var(--text) 5%, transparent)}.search-option-topic{color:var(--text);padding-left:12px;font-weight:500}.search-option-topic:not(:first-child){margin-top:4px}.search-option-head{align-items:baseline;gap:12px;display:flex}.search-option-title{flex:1;min-width:0}.search-option-where{max-width:45%;color:var(--text-3);text-overflow:ellipsis;white-space:nowrap;flex:none;font-size:12px;font-weight:400;overflow:hidden}.search-option-text{-webkit-line-clamp:2;color:var(--text-3);-webkit-box-orient:vertical;margin-top:2px;font-size:13px;font-weight:400;line-height:18px;display:-webkit-box;overflow:hidden}.search-panel mark{color:var(--text);background:0 0;font-weight:500}.search-note{color:var(--text-3);margin:0;padding:8px 12px;font-size:13px;line-height:18px}.search-note:empty{display:none}.shell{padding:0 var(--gutter);grid-template-columns:minmax(calc(var(--sidebar-w) + var(--side-gap)), 1fr) minmax(0, var(--text-w)) minmax(0, 1fr);display:grid}.shell-wide{grid-template-columns:minmax(0,1fr);max-width:1440px;margin:0 auto}.shell-nav{top:var(--topbar-h);width:var(--sidebar-w);height:calc(100dvh - var(--topbar-h));scrollbar-width:none;align-self:start;padding:0 16px 96px 0;position:sticky;overflow-y:auto}.shell-nav::-webkit-scrollbar{display:none}.shell-main{min-width:0}.nav-scrim{inset:var(--topbar-h) 0 0 0;z-index:15;cursor:pointer;background:#00000059;border:0;padding:0;display:none;position:fixed}.tree{margin:0;padding:36px 0 0;font-size:13px;line-height:1.35;list-style:none}.tree>li+li{margin-top:24px}.tree ul{margin:0;padding:0;list-style:none}.tree a{color:var(--text-3);transition:color .22s var(--ease-standard);display:block}.tree a:hover{color:var(--text);text-decoration:none}.tree a.tree-section{color:var(--text-2);padding:0 0 10px 16px;font-weight:500;line-height:16px}.tree a.tree-section.active,.tree a.active,.tree a.current{color:var(--text)}.tree-list{position:relative}.tree-list:before{content:"";background:var(--line-nav);width:1px;position:absolute;top:0;bottom:0;left:0}.tree-list a{padding:4px 8px 4px 14px}.tree-toc a{padding-left:26px}.tree-indicator{background:var(--text);opacity:0;pointer-events:none;width:2px;transition:top .32s var(--ease-spring), height .32s var(--ease-spring), opacity .16s var(--ease-standard);border-radius:999px;position:absolute;left:0}.article{max-width:var(--text-w);letter-spacing:0;width:100%;padding:36px 0 96px;font-size:15px;line-height:20px;display:flow-root}.crumbs{letter-spacing:0;color:var(--text-meta);align-items:center;gap:8px;font-size:13px;line-height:18px;display:flex}.crumbs a{color:var(--text-meta)}.crumbs a:hover{color:var(--text)}.article h1{letter-spacing:-.025em;margin:10px 0 0;font-size:36px;line-height:40px}.lead{color:var(--text-body);margin:0 0 24px}.prose{color:var(--text-body)}.prose p{margin:0 0 24px}.prose ul{margin:0 0 24px 1.3em;padding:0}.prose ul>li+li{margin-top:8px}.prose ul>li::marker{color:var(--text-3)}.prose strong{color:var(--text)}.prose code{background:var(--chip);color:var(--text);font:500 .82em/18px var(--font);white-space:nowrap;vertical-align:1px;border-radius:7px;padding:0 7px;display:inline-block}.prose ol{counter-reset:step;margin:0 0 24px;padding:0;list-style:none}.prose ol>li{counter-increment:step;margin:0 0 10px;padding-left:40px;position:relative}.prose ol>li:before{content:counter(step);background:var(--bg-soft);width:26px;height:26px;color:var(--text-3);font:500 13px/1 var(--font);border-radius:50%;place-items:center;display:grid;position:absolute;top:0;left:0}.quote,.prose blockquote{border-left:2px solid var(--line-strong);color:var(--text-2);margin:0 0 24px;padding:0 0 0 1.1em}.quote p{margin:0 0 .6em}.prose blockquote>:last-child{margin-bottom:0}.quote footer{letter-spacing:0;color:var(--text-3);font-size:13px;line-height:18px}.principle{padding-top:48px}.principle-head{margin-bottom:24px}.principle-title{border-bottom:1px solid var(--line);margin:0;padding:0 32px 8px 0;font-size:24px;line-height:32px}.copy-link{width:24px;height:24px;color:var(--text-3);vertical-align:middle;cursor:pointer;opacity:0;transition:opacity .15s var(--ease-standard), background-color .12s var(--ease-standard), color .12s var(--ease-standard);background:0 0;border:0;border-radius:50%;place-items:center;margin:-4px -32px -4px 8px;padding:0;display:inline-grid;position:relative}.copy-link:hover{background:color-mix(in srgb, var(--text) 6%, transparent);color:var(--text)}.copy-link:focus-visible{border-radius:50%}.principle-title:hover .copy-link,.copy-link:focus-visible,.copy-link[data-copied]{opacity:1}.copy-link svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:14px;height:14px;transition:opacity .22s var(--ease-standard), rotate .36s var(--ease-spring), scale .36s var(--ease-spring);grid-area:1/1}.copy-link-chain{stroke-width:1.5px}.copy-link-check,.copy-link[data-copied] .copy-link-chain{opacity:0;scale:.5}.copy-link-check{rotate:-45deg}.copy-link[data-copied] .copy-link-chain{rotate:45deg}.copy-link[data-copied] .copy-link-check{opacity:1;rotate:none;scale:none}.article-title{align-items:flex-start;gap:12px;margin:10px 0 24px;display:flex}.article-title h1{flex:1;min-width:0;margin:0}.copy-link-lg{width:32px;height:32px;color:var(--text-2);opacity:1;flex:none;margin:4px 0 0}.copy-link-lg svg{width:18px;height:18px}@media (hover:none){.copy-link{opacity:1}}@media (pointer:coarse){.copy-link:after{content:"";position:absolute;inset:-10px}.copy-link-lg:after{inset:-6px}}.examples,.gallery{grid-template-columns:minmax(0,1fr);gap:20px;margin:0 0 24px;display:grid}.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.example-wide{grid-column:1/-1}.example{margin:0}.example-frame{aspect-ratio:7/5;border:1px solid var(--line);background:#fff;border-radius:12px;place-items:center;width:100%;padding:0;display:grid;position:relative;overflow:hidden}.example-frame img{object-fit:contain;width:100%;height:100%;display:block;scale:1.04}.example-zoom{cursor:zoom-in;font:inherit}.example-zoom:hover{border-color:var(--line-strong)}.example-panel .example-frame{aspect-ratio:576/408;background:0 0;border:0;border-radius:16px}.example-panel .example-frame img{scale:none}.example-do .example-frame:after,.example-dont .example-frame:after{content:"";background:var(--do);height:3px;position:absolute;inset:auto 0 0}.example-dont .example-frame:after{background:var(--dont)}.example-empty .example-frame{aspect-ratio:auto;background:var(--bg-soft);border:1px dashed var(--line-strong);height:88px}.example-empty .example-frame:after{content:none}.example figcaption{letter-spacing:0;color:var(--text-3);margin-top:8px;padding:0 2px;font-size:12.5px;line-height:1.45}.example-label{white-space:nowrap;margin-right:6px;font-weight:500}.example-do .example-label{color:var(--do)}.example-do .example-label:before{content:"✓ " / ""}.example-dont .example-label{color:var(--dont)}.example-dont .example-label:before{content:"✕ " / ""}.example-empty .example-label,.example-empty figcaption{color:var(--text-3)}.examples-todo{border:1px dashed var(--line-strong);border-radius:var(--radius-sm);color:var(--text-3);margin:0 0 24px;padding:14px 16px;font-size:14px}.zoom{border-radius:var(--radius);background:#fff;border:0;width:min(1100px,100vw - 32px);padding:0;overflow:hidden}.zoom::backdrop{background:#0009}.zoom img{object-fit:contain;width:100%;height:auto;max-height:calc(100dvh - 64px);display:block}.zoom-close{color:#1d1d1f;background:#ffffffe6;position:absolute;top:8px;right:8px}.pager{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:12px 32px;margin-top:72px;padding-top:20px;display:flex}.pager a{min-height:24px;color:var(--text);align-items:center;gap:8px;font-weight:500;display:inline-flex}.pager a:hover{text-decoration:none}.pager svg{color:var(--text-3);transition:translate .22s var(--ease-standard), color .22s var(--ease-standard);flex:none}.pager a:hover svg{color:var(--text)}.pager-prev:hover svg{translate:-3px}.pager-next{text-align:right;margin-left:auto}.pager-next:hover svg{translate:3px}@media print{.copy-link,.topbar-center{display:none}}.topic-list{--topic-bleed:min(24px, var(--gutter));margin:8px 0 0;padding:0;list-style:none}.topic-card{isolation:isolate;transition:border-color .15s var(--ease-standard);border-top:1px solid #0000;padding:18px 0;position:relative}.topic-card+.topic-card{border-top-color:var(--line)}.topic-card:before{content:"";inset:0 calc(-1 * var(--topic-bleed));z-index:-1;background:color-mix(in srgb, var(--text) 5%, transparent);opacity:0;transition:opacity .15s var(--ease-standard);border-radius:16px;position:absolute}.topic-card:hover:before,.topic-card:has(:focus-visible):before{opacity:1}.topic-card:hover,.topic-card:hover+.topic-card,.topic-card:has(:focus-visible),.topic-card:has(:focus-visible)+.topic-card{border-top-color:#0000}.topic-name{font:500 17px/24px var(--font);letter-spacing:0;margin:0}.topic-link{color:var(--text)}.topic-link:after{content:"";inset:0 calc(-1 * var(--topic-bleed));border-radius:16px;position:absolute}.topic-link:hover{text-decoration:none}.topic-link:focus-visible{outline:none}.topic-link:focus-visible:after{outline:2px solid var(--focus);outline-offset:-2px}.topic-lead{color:var(--text-body);margin:2px 0 0;line-height:22px}.demo{background:var(--demo-bg);letter-spacing:0;border-radius:16px;margin:16px 0 32px;padding:46px 16px 20px;font-size:14px;line-height:20px}.demo-stage{place-items:center;min-height:200px;display:grid;position:relative}.demo-stack{align-content:center;gap:20px}.demo-row{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.demo-note{color:var(--text-3);text-align:center;text-wrap:balance;font-variant-numeric:tabular-nums;margin:0;font-size:12px;line-height:16px}.demo-note[data-off]{color:var(--dont)}.demo-card{border:1px solid var(--stage-line);background:var(--stage);width:min(288px,100%);color:var(--text);font:inherit;text-align:left;cursor:pointer;border-radius:18px;gap:6px;padding:18px 20px 20px;display:grid;box-shadow:0 1px 2px #0000000d}.demo-card-wide{width:302px;max-width:100%}.demo-card-title{font:400 19px/1.2 var(--font-display);letter-spacing:-.012em}.demo-card-text{color:var(--text-2);font-size:13.5px;line-height:19px}.demo-button{background:var(--text);color:var(--bg);font:500 14px/20px var(--font);cursor:pointer;border:0;border-radius:10px;padding:10px 18px}.demo-button:disabled{opacity:.32;cursor:default}.demo-tile{border:1px solid var(--stage-line);background:var(--stage);width:96px;height:72px;color:var(--text);font:500 13.5px/1 var(--font);cursor:pointer;border-radius:14px;place-items:center;padding:0;display:grid;box-shadow:0 1px 2px #0000000d}.demo-round{background:var(--text);width:40px;height:40px;color:var(--bg);cursor:pointer;border:0;border-radius:50%;place-items:center;padding:0;display:grid}.demo-card:focus-visible{border-radius:18px}.demo-button:focus-visible{border-radius:10px}.demo-tile:focus-visible{border-radius:14px}.demo-round:focus-visible{border-radius:50%}.demo{--press-duration:.15s;--press-easing:ease-in-out}.demo .pressable{transition:scale var(--press-duration) var(--press-easing);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.demo .pressable--card{--press-scale:.97}.demo .pressable--control{--press-scale:.95}.demo .pressable--icon{--press-scale:.9}.demo .pressable[data-pressed]{scale:var(--press-scale,.95)}.demo:has([name=calm]:checked) .pressable{transition:none}.demo:has([name=calm]:checked) .pressable[data-pressed]{opacity:.65;scale:none}@media (prefers-reduced-motion:reduce){.demo .pressable{transition:none}.demo .pressable[data-pressed]{opacity:.65;scale:none}}.demo-rest{border-radius:18px;width:min(288px,100%);position:relative}.demo-rest>.demo-card{width:100%}.demo-rest:after{content:"";border:1px solid var(--guide);border-radius:inherit;opacity:0;pointer-events:none;transition:opacity .2s;position:absolute;inset:0}.demo:has([name=guide]:checked) .demo-rest:after{opacity:1}.demo-rail{font:13px/19.5px var(--mono);color:var(--text-3);font-variant-numeric:tabular-nums;grid-template-columns:auto 160px auto;align-items:center;gap:10px;display:grid}.demo-rail-track{background:var(--line-strong);height:1px;position:relative}.demo-rail-dot{background:var(--guide);width:9px;height:9px;transition:left var(--press-duration) var(--press-easing);border-radius:50%;margin-left:-4.5px;position:absolute;top:-4px;left:0}.demo:has(.pressable[data-pressed]) .demo-rail-dot{left:100%}.demo-threshold{z-index:1;border:1px solid var(--guide);background:color-mix(in srgb, var(--guide) 12%, transparent);opacity:0;pointer-events:none;width:20px;height:20px;margin:-10px 0 0 -10px;position:absolute}.demo-threshold[hidden]{display:none}.demo:has([name=guide]:checked) .demo-threshold{opacity:1}.demo-threshold-dot{background:var(--guide);border-radius:50%;width:5px;height:5px;margin:-2.5px 0 0 -2.5px;position:absolute;top:50%;left:50%}.demo-threshold[data-out]{border-style:dashed}.demo-samples{flex-wrap:wrap;justify-content:center;align-items:end;gap:20px 28px;display:flex}.demo-sample{justify-items:center;gap:10px;display:grid}.demo-sample .demo-note{font:12px/16px var(--mono)}.demo-controls{flex-wrap:wrap;justify-content:center;align-items:start;gap:16px 40px;margin:0;padding-top:46px;display:flex}.demo-switch{color:var(--text-3);cursor:pointer;-webkit-tap-highlight-color:transparent;justify-items:center;gap:8px;font-size:12px;line-height:16px;display:grid}.demo-switch input{background:var(--switch-off);-webkit-appearance:none;appearance:none;cursor:pointer;width:44px;height:24px;transition:background .15s var(--ease-standard);border-radius:12px;margin:0;position:relative}.demo-switch input:before{content:"";background:var(--knob);width:20px;height:20px;transition:translate .28s var(--ease-spring), background .15s;border-radius:50%;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #0000001a,0 1px 2px -1px #0000001a}.demo-switch input:checked{background:var(--text)}.demo-switch input:checked:before{background:var(--knob-on);translate:20px}.demo-switch input:focus-visible{border-radius:12px}.demo-segmented{background:var(--panel-track);font:500 13px/19.5px var(--font);color:var(--text-3);border-radius:999px;gap:4px;padding:4px;display:inline-flex}.demo-segmented label{white-space:nowrap;cursor:pointer;border-radius:999px;padding:6px 20px;transition:color .15s;position:relative}.demo-segmented label:hover{color:var(--text-2)}.demo-segmented input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.demo-segmented label:has(:checked){background:var(--stage);color:var(--text);box-shadow:0 0 0 1px #0000000d,0 1px 2px #0000001f,0 2px 12px -5px #00000040}.demo-segmented label:has(:focus-visible){outline:2px solid var(--focus);outline-offset:1px}.demo-segmented,.demo-slider{flex:none}.demo-controls:has(.demo-segmented,.demo-slider){flex-direction:column;align-items:center}.demo-slider{font:13px/19.5px var(--mono);color:var(--text-3);font-variant-numeric:tabular-nums;grid-template-columns:40px 156px 40px;align-items:center;gap:12px;padding:8px 0;display:grid}.demo-slider-end:first-child{text-align:right}.demo-slider-track{background:var(--panel-track);border-radius:6px;height:12px;position:relative}.demo-slider-good{background:color-mix(in srgb, var(--do) 55%, transparent);border-radius:6px;position:absolute;top:0;bottom:0}.demo-slider-point{width:12px;margin-left:-6px}.demo-slider input{z-index:1;opacity:0;cursor:grab;touch-action:none;width:calc(100% + 56px);height:28px;margin:0;position:absolute;top:-8px;left:-28px}.demo-slider input:active{cursor:grabbing}.demo-slider input::-webkit-slider-thumb{-webkit-appearance:none;width:56px;height:28px}.demo-slider input::-moz-range-thumb{border:0;width:56px;height:28px}.demo-slider-thumb{top:50%;left:calc(var(--p) * 100%);background:var(--stage);width:56px;height:28px;box-shadow:0 0 0 1px var(--stage-line), 0 1px 2px #0000001f, 0 2px 12px -5px #00000040;color:var(--text);pointer-events:none;border-radius:999px;place-items:center;display:grid;position:absolute;translate:-50% -50%}.demo-slider[data-good] .demo-slider-thumb{color:var(--do)}.demo-slider:has(:focus-visible) .demo-slider-thumb{outline:2px solid var(--focus);outline-offset:2px}.demo-phone{isolation:isolate;background:var(--stage);width:220px;height:400px;box-shadow:0 0 0 1px var(--stage-line), 0 1px 2px #0000000d;--sheet-peek:150px;border-radius:32px;position:relative;overflow:hidden}.demo-screen{background:var(--stage);align-content:start;justify-items:start;gap:10px;padding:28px 16px 16px;display:grid;position:absolute;inset:0}.demo-screen-title{font:400 19px/1.2 var(--font-display);letter-spacing:-.012em;color:var(--text)}.demo-screen>.demo-button{margin-top:10px}.demo-bone{background:var(--track);border-radius:5px;width:100%;height:10px;display:block}.demo-round-soft{background:var(--track);width:32px;height:32px;color:var(--text)}.demo[data-demo=timing-size]{--dur:.15s}.demo[data-demo=timing-size]:has([name=dur][value="300"]:checked){--dur:.3s}.demo[data-demo=timing-size]:has([name=dur][value="600"]:checked){--dur:.6s}.demo-dim{opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease-standard);background:#00000052;position:absolute;inset:0}.demo-phone:not([data-sheet=closed]) .demo-dim{opacity:1;pointer-events:auto}.demo-sheet{background:var(--bg-raised);box-shadow:0 0 0 1px var(--stage-line);transition:translate var(--dur) var(--ease-standard), border-radius var(--dur) var(--ease-standard);border-radius:24px 24px 0 0;align-content:start;gap:10px;padding:8px 16px 16px;display:grid;position:absolute;inset:0;translate:0 100%}.demo-phone[data-sheet=sheet] .demo-sheet{translate:0 calc(100% - var(--sheet-peek))}.demo-phone[data-sheet=full] .demo-sheet{border-radius:0;translate:0}.demo-sheet-grip{background:var(--line-strong);border-radius:2px;justify-self:center;width:32px;height:4px}.demo-sheet-head{justify-content:space-between;align-items:center;display:flex}.demo-sheet>.demo-button{justify-self:start}.demo[data-demo=flow-morph]{--flow-k:1;--flow-layer:calc(.15s * var(--flow-k));--flow-wait:calc(75ms * var(--flow-k));--flow-surface:calc(.3s * var(--flow-k));--flow-ease:linear(0, .02, .07, .14, .221, .307, .393, .475, .553, .623, .687, .743, .791, .833, .869, .898, .923, .943, .959, .972, .982, .989, .995, .999, 1.002, 1.004, 1.005, 1.006, 1.006, 1.006, 1.006, 1.006, 1)}.demo[data-demo=flow-morph]:has([name=slow]:checked){--flow-k:4}.demo-flow{zoom:1.5;isolation:isolate;background:var(--stage);width:160px;height:240px;font:400 10px/12px var(--font);--x:8;--y:208;--w:24;--h:24;--r:12;--flow-fill:color-mix(in srgb, var(--text) 7.7%, transparent);--flow-soft:color-mix(in srgb, var(--text) 3.7%, transparent);border-radius:20px;position:relative;overflow:hidden}.demo-flow[data-panel=menu]{--x:8;--y:152;--w:108;--h:80;--r:12}.demo-flow[data-panel=photos]{--x:8;--y:8;--w:144;--h:224;--r:12}.demo-flow-chat{align-content:start;gap:12px;padding:24px 12px;display:grid;position:absolute;inset:0}.demo-bubble{background:var(--flow-fill);border-radius:12.5px;width:84px;height:25px}.demo-bubble-out{background:#a0e67d;justify-self:end;width:67px}.demo-flow-field{background:var(--flow-soft);height:24px;color:color-mix(in srgb, var(--text) 60%, transparent);border-radius:12px;padding:0 10px;line-height:24px;position:absolute;bottom:8px;left:38px;right:8px}.demo-flow-surface{left:calc(var(--x) * 1px);top:calc(var(--y) * 1px);width:calc(var(--w) * 1px);height:calc(var(--h) * 1px);isolation:isolate;border-radius:calc(var(--r) * 1px);background:var(--bg-raised);box-shadow:0 0 0 .5px var(--stage-line), 0 0 16px #0000;transition:left var(--flow-surface) var(--flow-ease), top var(--flow-surface) var(--flow-ease), width var(--flow-surface) var(--flow-ease), height var(--flow-surface) var(--flow-ease), border-radius var(--flow-surface) var(--flow-ease), box-shadow var(--flow-surface);position:absolute;overflow:hidden}.demo-flow:not([data-panel=closed]) .demo-flow-surface{box-shadow:0 0 0 .5px #0000,0 0 16px #0000001f}.demo-flow-layer{width:calc(var(--own-w) * 1px);height:calc(var(--own-h) * 1px);translate:-50% -50%;scale:calc(var(--w) / var(--own-w));opacity:0;filter:blur(8px);pointer-events:none;transition:scale var(--flow-surface) var(--flow-ease), opacity var(--flow-layer) ease-in, filter var(--flow-layer) ease-in;position:absolute;top:50%;left:50%;overflow:hidden}.demo-flow-layer[data-layer=closed]{--own-w:24;--own-h:24}.demo-flow-layer[data-layer=menu]{--own-w:108;--own-h:80;align-content:start;padding:4px;display:grid}.demo-flow-layer[data-layer=photos]{--own-w:144;--own-h:224}.demo-flow[data-panel=closed] [data-layer=closed],.demo-flow[data-panel=menu] [data-layer=menu],.demo-flow[data-panel=photos] [data-layer=photos]{opacity:1;filter:blur();pointer-events:auto;transition:scale var(--flow-surface) var(--flow-ease), opacity var(--flow-layer) ease-out var(--flow-wait), filter var(--flow-layer) ease-out var(--flow-wait)}.demo[data-demo=flow-morph]:not(:has([name=flow]:checked)) :is(.demo-flow-surface,.demo-flow-layer){filter:none;transition:none}.demo-flow-plus{width:100%;height:100%;color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;padding:0;display:grid}.demo-flow-row{height:24px;color:var(--text);font:inherit;text-align:left;cursor:pointer;--press-scale:.97;background:0 0;border:0;border-radius:12px;align-items:center;gap:6px;padding:0 6px;display:flex}.demo-flow-row[data-pressed]{background:var(--flow-soft)}@media (hover:hover){.demo-flow-row:hover{background:var(--flow-soft)}}.demo-flow-grid{grid-template-columns:repeat(3,1fr);gap:2px;display:grid}.demo-flow-tile{aspect-ratio:1;cursor:pointer;border:0;padding:0}.demo-flow-back{color:#fff;cursor:pointer;background:#0009;border:0;border-radius:50%;place-items:center;width:24px;height:24px;padding:0;display:grid;position:absolute;bottom:8px;left:8px}.demo-flow-plus:focus-visible,.demo-flow-back:focus-visible{border-radius:50%}.demo-flow-plus:focus-visible,.demo-flow-row:focus-visible,.demo-flow-tile:focus-visible{outline-offset:-2px}.demo-flow-row:focus-visible{border-radius:12px}.demo-flow-tile:focus-visible{border-radius:0}.demo-nav{--drag:0}.demo-nav .demo-screen{transition:translate .3s var(--ease-standard)}.demo-nav[data-dragging] .demo-screen,.demo-nav[data-dragging] [data-role=list]:after{transition:none}.demo-nav [data-role=list]:after{content:"";opacity:0;pointer-events:none;transition:opacity .3s var(--ease-standard);background:#000;position:absolute;inset:0}.demo-nav[data-screen=detail] [data-role=list]{translate:calc((var(--drag) - 1) * 30%) 0}.demo-nav[data-screen=detail] [data-role=list]:after{opacity:calc((1 - var(--drag)) * .14)}.demo-nav [data-role=detail]{box-shadow:-1px 0 0 var(--stage-line);touch-action:pan-y;-webkit-user-select:none;user-select:none;cursor:grab;translate:100%}.demo-nav[data-screen=detail] [data-role=detail]{translate:calc(var(--drag) * 100%) 0}.demo-nav[data-dragging] [data-role=detail]{cursor:grabbing}.demo-nav-row{background:var(--track);color:var(--text);font:500 14px/20px var(--font);text-align:left;cursor:pointer;--press-scale:.97;border:0;border-radius:14px;justify-content:space-between;justify-self:stretch;align-items:center;padding:12px 12px 12px 14px;display:flex}.demo-nav-row svg{color:var(--text-3)}.demo-nav-row:focus-visible{border-radius:14px}.demo[data-demo=tabbar-select] .demo-stage{container-type:inline-size}.demo-tabbar{--u:min(1px, 100cqw / 336);justify-content:space-between;gap:calc(var(--u) * 8);width:min(393px,100%);padding:calc(var(--u) * 8) calc(var(--u) * 14);background:#fff;border-radius:999px;display:flex}.demo-tab{justify-items:center;gap:calc(var(--u) * 5);color:#000;min-width:max-content;font:500 calc(var(--u) * 11) / calc(var(--u) * 12) "SB Sans Text", var(--font);letter-spacing:calc(var(--u) * -.11);white-space:nowrap;opacity:.4;cursor:pointer;background:0 0;border:0;flex:1 1 0;padding:0;display:grid}.demo-tab[aria-pressed=true]{color:#00910e;opacity:1}.demo-tab-icon{width:calc(var(--u) * 24);height:calc(var(--u) * 24);display:block}.demo-tab:focus-visible{outline-offset:4px;border-radius:10px}.demo:has([name=motion]:not(:checked)) .demo-tab{transition:none}.demo:has([name=motion]:not(:checked)) .demo-tab[data-pressed]{scale:none}.demo-prices{flex-wrap:wrap;justify-content:center;gap:16px clamp(28px,13.3%,72px);width:100%;display:flex}.demo-price{font:500 39px/54px var(--font);letter-spacing:-.897px;white-space:nowrap;position:relative}.demo-price s{color:var(--text);opacity:.6;text-decoration:none;display:block}.demo-price-plain s:after{content:"";background:currentColor;height:2px;position:absolute;inset:31px 0 auto}.demo-strike{fill:none;stroke:#25cd48;stroke-width:4.5px;stroke-linecap:round;pointer-events:none;width:92px;height:24px;position:absolute;top:21px;left:3px;overflow:visible}.demo-strike path{stroke-dasharray:1 1.1}.demo-replay{background:var(--panel-track);color:var(--text);font:500 13px/19.5px var(--font);cursor:pointer;border:0;border-radius:999px;align-items:center;gap:6px;padding:8px 16px 8px 12px;display:inline-flex}.demo-replay:focus-visible{border-radius:999px}.demo-island-fit{--s:.7;width:calc(393px * var(--s));height:calc(852px * var(--s));flex:none;position:relative}@media (width<=340px){.demo-island-fit{--s:.62}}.demo-island-fit:has(.demo-island-scroll:focus-visible){outline:2px solid var(--focus);outline-offset:3px;border-radius:calc(55px * var(--s))}.demo-island{isolation:isolate;transform-origin:0 0;width:393px;height:852px;scale:var(--s);color:#000;font:500 13px/18px "SB Sans Text", var(--font);letter-spacing:-.299px;text-align:left;white-space:nowrap;background:#f3f5f7;position:absolute;top:0;left:0;overflow:hidden}.demo-island-edge{fill:none;stroke:#0000001a;stroke-width:calc(2px / var(--s));pointer-events:none;position:absolute;top:0;left:0}.demo-island-page{grid-template-columns:minmax(0,1fr);justify-items:center;width:100%;padding-top:101px;display:grid;position:absolute;top:0;left:0}.demo-island-plain{visibility:hidden;border-radius:24px;width:98px;height:98px;display:block}.demo-island-name{font:600 24px/28px var(--font);letter-spacing:0;margin-top:30px}.demo-island-actions{grid-template-columns:repeat(3,1fr);justify-self:stretch;gap:8px;margin:26px 20px 0;display:grid}.demo-island-action{color:#3d3c3a;background:#fffc;border-radius:24px;align-content:start;justify-items:center;gap:8px;height:88px;padding-top:20px;font-weight:600;display:grid;box-shadow:inset 0 0 0 1px #fff}.demo-island-cards{grid-template-columns:minmax(0,1fr);justify-self:stretch;gap:7px;min-width:0;margin:32px 8px 0;display:grid}.demo-island-pair{gap:8px;display:flex}.demo-island-mini{background:#fff;border-radius:20px;flex:1;align-items:center;height:64px;display:flex;overflow:hidden}.demo-island-mini:first-child{flex:none;width:175px}.demo-island-mini img{flex:none}.demo-island-mini-text{gap:2px;line-height:16px;display:grid}.demo-island-mini-text b{font-weight:600}.demo-island-mini-text span{opacity:.6}.demo-island-card{background:#fff;border-radius:24px;padding:24px 16px}.demo-island-title{font:600 20px/24px var(--font);letter-spacing:0;display:block}.demo-island-close{gap:16px;margin-top:16px;display:flex}.demo-island-close>span{justify-items:center;gap:8px;width:62px;display:grid}.demo-island-close i{background:#f3f5f7;border-radius:16px;width:61px;height:61px;display:block}.demo-island-close span span{opacity:.6}.demo-island-docs{padding:22px 0 23px}.demo-island-docs .demo-island-title{padding:0 16px}.demo-island-tiles{gap:8px;margin-top:16px;padding-left:16px;display:flex;overflow:hidden}.demo-island-tiles span{letter-spacing:-.345px;background:#f3f5f7;border-radius:16px;flex:none;width:152px;height:152px;padding:16px;font-size:15px;line-height:20px}.demo-island-nav{width:100%;height:115px;position:absolute;top:0;left:0}.demo-island-nav:before{content:"";opacity:0;background:#f3f5f7;transition:opacity .2s ease-in-out;position:absolute;inset:0}.demo-island-nav-button{background:#ffffffb3;border-radius:50%;place-items:center;width:40px;height:40px;display:grid;position:absolute;top:67px;left:16px}.demo-island-nav-button:last-child{left:auto;right:16px}.demo-island-nav-title{font:600 15px/18px var(--font);letter-spacing:-.3px;text-align:center;color:#29292b;opacity:0;transition:opacity .2s ease-in-out;position:absolute;top:78px;left:56px;right:56px}.demo-island[data-scrolled] .demo-island-nav:before,.demo-island[data-scrolled] .demo-island-nav-title{opacity:1}.demo-island-fx{pointer-events:none;position:absolute;top:0;left:0}.demo-island-pill{background:#000;border-radius:18.5px;width:126px;height:37px;position:absolute;top:11px;left:133.5px}.demo:has([name=flow]:not(:checked)) .demo-island-plain{visibility:visible}.demo:has([name=flow]:not(:checked)) .demo-island-fx{display:none}.demo-island-scroll{scrollbar-width:none;cursor:grab;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;position:absolute;inset:0;overflow-y:auto}.demo-island-scroll::-webkit-scrollbar{display:none}.demo-island-scroll:focus-visible{outline:none}.demo-island-scroll[data-dragging]{cursor:grabbing}.demo-island-scroll>div{height:calc((852px + 150px) * var(--s))}.demo-frost{aspect-ratio:353/230;touch-action:pan-y;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:50%/100% 100% no-repeat;width:min(353px,100%);display:block}.demo-frost[data-live]{background-image:none!important}.demo-switch:has(:disabled){opacity:.4}.demo-switch:has(:disabled),.demo-switch :disabled{cursor:default}.shelf{padding:clamp(28px,9vh,104px) 0 80px}.shelf-heading{z-index:1;position:relative}.shelf-title{letter-spacing:-.018em;margin:0;font-size:34px;line-height:1.02}.shelf-hint{color:var(--text-3);margin:6px 0 0;padding-right:86px;font-size:13px;line-height:16px}.shelf-navigation{gap:6px;display:flex;position:absolute;bottom:0;right:0}.shelf-heading:not(:has(.shelf-hint)){flex-wrap:wrap;justify-content:space-between;align-items:end;gap:8px 12px;display:flex}.shelf-heading:not(:has(.shelf-hint)) .shelf-navigation{margin-left:auto;position:static}.shelf-navigation[hidden]{display:none}.shelf-nav{border:1px solid var(--line);width:32px;height:32px;color:var(--text-2);font:inherit;cursor:pointer;background:0 0;border-radius:50%;padding:0;transition:background .16s,opacity .16s}.shelf-nav:hover:not(:disabled){background:var(--bg-soft)}.shelf-nav:disabled{opacity:.28;cursor:default}.shelf-viewport{--fade-left:0px;--fade-right:0px;isolation:isolate;margin-top:8px;position:relative}.shelf-viewport[data-left="1"]{--fade-left:28px}.shelf-viewport[data-right="1"]{--fade-right:28px}.shelf-wrap{overscroll-behavior-x:contain;scrollbar-width:none;touch-action:pan-x pan-y;padding:90px 0 24px;position:relative;overflow:auto hidden}.shelf-viewport:is([data-left="1"],[data-right="1"]) :is(.shelf-wrap,.shelf-gl){-webkit-mask-image:linear-gradient(to right, transparent, #000 var(--fade-left), #000 calc(100% - var(--fade-right)), transparent);mask-image:linear-gradient(to right, transparent, #000 var(--fade-left), #000 calc(100% - var(--fade-right)), transparent)}.shelf-wrap::-webkit-scrollbar{display:none}.shelf-wrap:focus-visible{outline:1px solid var(--line-strong);outline-offset:3px}.shelf-row{align-items:end;gap:10px;width:max-content;height:292px;margin:0 auto;padding:0 12px;list-style:none;display:flex;position:relative}.shelf-item{width:var(--d);height:var(--h);flex:none}.shelf-link{border-radius:2px;height:100%;display:block}.shelf-link:hover{text-decoration:none}.shelf-link:focus-visible{outline:2px solid var(--focus);outline-offset:4px}.shelf-spine{background:var(--paper);height:100%;color:var(--ink);font-family:var(--font-display);letter-spacing:-.018em;border-radius:1px;flex-direction:column;justify-content:space-between;align-items:center;padding:16px 0 12px;display:flex;box-shadow:inset 1px 0 1px #ffffff1c,inset -2px 0 2px #00000030,0 2px 3px #00000018}.shelf-spine-title{text-overflow:ellipsis;white-space:nowrap;writing-mode:vertical-rl;max-height:calc(100% - 26px);font-size:15.5px;line-height:1.2;overflow:hidden}.shelf-spine-num{letter-spacing:0;opacity:.8;font-size:12px;line-height:1}.shelf-gl{pointer-events:none;animation:.24s ease-out shelf-gl-in;position:absolute;inset:0}.shelf[data-gl="1"] .shelf-row{margin:0;padding:0;display:block}.shelf[data-gl="1"] .shelf-item{position:absolute;bottom:0;left:0}.shelf[data-gl="1"] .shelf-spine{visibility:hidden;animation:.24s shelf-spine-out}@keyframes shelf-gl-in{0%{opacity:0}}@keyframes shelf-spine-out{0%,to{visibility:visible}}.shelf-plank{z-index:-1;pointer-events:none;border-top:1px solid var(--line-strong);background:linear-gradient(var(--bg-soft), var(--bg));height:6px;position:absolute;bottom:18px;left:-12px;right:-12px;box-shadow:0 5px 9px -6px #00000038}.shelf{--lamp:0;--lamp-reach:380px;--lamp-drop:0px;--lamp-glow:255 201 143;--lamp-r:min(300px, 46vw);--lamp-gap:min(150px, 23vw)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .shelf{--lamp:1}}:root[data-theme=dark] .shelf{--lamp:1}.shelf-light{top:calc(-1 * var(--lamp-drop));right:calc(-1 * var(--gutter));bottom:24px;left:calc(-1 * var(--gutter));z-index:-1;background:radial-gradient(ellipse min(520px, 80%) 46% at 50% 58%, rgb(var(--lamp-glow) / .075), rgb(var(--lamp-glow) / .05) 34%, rgb(var(--lamp-glow) / .022) 64%, rgb(var(--lamp-glow) / .006) 86%, transparent);opacity:var(--lamp);pointer-events:none;transition:opacity .3s ease-out;position:absolute;overflow:hidden}.shelf-light span{top:0;bottom:0;left:calc(50% - var(--lamp-gap) - var(--lamp-r));width:calc(var(--lamp-r) * 2);background:radial-gradient(ellipse 54% 76% at 50% 17%, rgb(var(--lamp-glow) / .25), rgb(var(--lamp-glow) / .21) 16%, rgb(var(--lamp-glow) / .135) 38%, rgb(var(--lamp-glow) / .065) 60%, rgb(var(--lamp-glow) / .02) 82%, transparent);position:absolute;-webkit-mask-image:radial-gradient(50% 130% at 50% calc(130% + 6px),#000 84%,#000000b8 90%,#0000004d 95.5%,#0000);mask-image:radial-gradient(50% 130% at 50% calc(130% + 6px),#000 84%,#000000b8 90%,#0000004d 95.5%,#0000)}.shelf-light span+span{left:calc(50% + var(--lamp-gap) - var(--lamp-r))}.shelf-plank:after{content:"";width:min(var(--lamp-reach) * 2, 100%);background:linear-gradient(to right, transparent, rgb(var(--lamp-glow) / .55), transparent);height:1px;opacity:var(--lamp);transition:opacity .3s ease-out;position:absolute;top:-1px;left:50%;translate:-50%}.shelf-spine{background-image:linear-gradient(rgb(var(--lamp-glow) / calc(.18 * var(--lamp))), transparent 42%, rgb(0 0 0/calc(.34 * var(--lamp))))}.shelf-label{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:7px 12px;min-height:76px;padding-top:16px;display:flex}.shelf-label-copy{opacity:0;justify-content:center;align-items:baseline;gap:12px;min-width:0;transition:opacity .15s ease-out;display:flex}.shelf-label[data-on="1"] .shelf-label-copy{opacity:1}.shelf-label-rank{font-variant-numeric:tabular-nums;color:var(--text-2);font-size:13px;font-weight:500;line-height:16px}.shelf-label-title{overflow-wrap:anywhere;min-width:0;font:400 22px/1.15 var(--font-display);letter-spacing:-.018em}.shelf-label-actions{flex:none;align-items:baseline;gap:12px;display:none}.shelf-label[data-selected="1"] .shelf-label-actions{display:flex}.shelf-label-cta,.shelf-return{color:var(--text-2);font:inherit;white-space:nowrap;cursor:pointer;background:0 0;border:0;padding:0;font-size:12px}.shelf-label-cta:hover,.shelf-return:hover{color:var(--text);text-decoration:none}.shelf-return{border-left:1px solid var(--line-strong);padding-left:12px}@media (width<=900px){.shell{grid-template-columns:minmax(0,1fr)}.article{margin-inline:auto}.menu-btn{display:inline-grid}.shell-nav{top:var(--topbar-h);width:min(320px,86vw);height:calc(100dvh - var(--topbar-h));z-index:16;background:var(--bg);visibility:hidden;padding:0 16px 32px;transition:transform .2s,visibility 0s linear .2s;position:fixed;bottom:0;left:0;transform:translate(-100%)}.nav-open .shell-nav{visibility:visible;transition:transform .2s,visibility;transform:none}.nav-open .nav-scrim{display:block}.nav-open{overflow:hidden}}@media (width<=767px){.article{padding-top:28px}}@media (width<=640px){.article h1,.shelf-title{font-size:30px}.article h1{line-height:36px}.shelf-label{min-height:114px}.shelf-label-copy{gap:9px}.shelf-label-title{font-size:21px}.shelf-label-actions{justify-content:center;width:100%}.icon-btn{width:44px;height:44px}.topbar-inner{grid-template-columns:minmax(0,1fr) auto}.topbar-center{display:none}.search-open{display:inline-grid}.topbar[data-searching] .topbar-center{inset:0 var(--gutter);align-items:center;display:grid;position:absolute}.topbar[data-searching] :is(.topbar-start,.topbar-actions){visibility:hidden}.topbar[data-searching] .search-clear[hidden]{display:grid}.search-field{height:40px}.search-field input{font-size:16px}.article-title .copy-link-lg{margin-top:2px}.tree{font-size:15px}.tree-list a{padding-block:12px}.crumbs a,.brand{align-items:center;min-height:44px;display:inline-flex}.zoom{border-radius:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;overflow:auto}.zoom img{width:250%;max-width:none;max-height:none}.zoom-close{position:fixed}.gallery{grid-template-columns:minmax(0,1fr)}.pager a{min-height:44px}}@media (hover:none){.search-kbd{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.shelf-gl,.shelf[data-gl="1"] .shelf-spine,.search-panel{animation:none}}.astro-route-announcer{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;top:0;left:0;overflow:hidden}