:root{color-scheme:light;--paper:#fff;--background:#f4f6f3;--ink:#18201b;--muted:#5d6b61;--line:#dce3dc;--green:#365c42;--moss:#c7dca1;--tool:#101914;--soft:#edf3e9;font-family:Inter,"Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--ink);font-size:14px;line-height:1.5}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a,button,summary{transition:background-color .12s,color .12s}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #729d57;outline-offset:3px}[hidden]{display:none!important}.skip{position:absolute;left:16px;top:-80px;background:white;padding:10px;z-index:10}.skip:focus{top:8px}
.site-header{background:var(--tool);color:#e8eee7}.header-inner{max-width:1440px;margin:auto;min-height:64px;padding:0 36px;display:flex;align-items:center;gap:35px}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:#fff;font-weight:700;font-size:19px;letter-spacing:.015em}.brand svg{width:28px;height:28px;color:var(--moss)}.nav{align-self:stretch;display:flex;gap:26px;align-items:stretch}.nav a{display:flex;align-items:center;text-decoration:none;color:#b9c6bb;font-weight:500;border-bottom:3px solid transparent;padding-top:3px}.nav a:hover{color:#fff}.nav a[aria-current=page]{color:var(--moss);border-color:var(--moss)}.attribution{font-size:12px;margin-left:auto;color:#b9c6bb}.workspace{max-width:1440px;padding:28px 36px 40px;margin:auto}.workspace-heading{display:flex;align-items:baseline;gap:16px;margin-bottom:19px}.workspace-heading h1{font-size:28px;line-height:1.2;letter-spacing:-.025em;font-weight:650;margin:0}.workspace-heading p{color:var(--muted);margin:0}.toolbar{display:flex;gap:14px;align-items:flex-end;background:var(--tool);padding:18px 20px;border-radius:7px;color:#e8eee7}.field{display:flex;flex-direction:column;gap:6px;min-width:145px}.field label{font-size:11px;letter-spacing:.05em;color:#bac9bc;font-weight:600}.search-field{flex:1;min-width:200px}.search-wrap{position:relative}.search-wrap svg{position:absolute;width:18px;height:18px;left:12px;top:13px;color:#809487;pointer-events:none}.toolbar input,.toolbar select{width:100%;height:43px;border:1px solid #43584a;border-radius:4px;background:#203026;color:#f4f7f1;padding:9px 12px}.toolbar input{padding-left:39px}.toolbar input::placeholder{color:#abb9ad}.toolbar select{padding-right:27px}.clear{align-self:flex-end;height:43px;border:0;color:var(--moss);background:transparent;padding:8px;font-size:12px}.clear:hover{background:#283b2e}.list-status{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:20px 0 10px;color:var(--muted);font-size:12px}.list-status p{margin:0}.list-status a{color:var(--muted)}
.catalog{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}.column-head,.orb-row{display:grid;grid-template-columns:minmax(280px,1fr) 100px 55px 150px 112px;column-gap:22px}.column-head{padding:11px 22px;background:#edf1eb;border-bottom:1px solid var(--line);color:#59675d;font-size:10px;font-weight:700;letter-spacing:.075em;text-transform:uppercase}.orb-row{padding:19px 22px 0;border-bottom:1px solid var(--line);align-items:start}.orb-row:last-child{border-bottom:0}.orb-row:hover{background:#fcfdfb}.orb-name{display:flex;align-items:baseline;flex-wrap:wrap;gap:5px 12px}.orb-name h2{font-size:17px;font-weight:650;margin:0;line-height:1.3;letter-spacing:-.015em}.orb-name h2 a{text-decoration:none;color:var(--ink)}.orb-name h2 a:hover{color:var(--green);text-decoration:underline}.kind{font-size:10px;color:var(--muted)}.description{font-size:12px;line-height:1.55;color:var(--muted);margin:7px 0 12px;max-width:730px}.row-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;font-size:12px}.row-actions a{font-weight:500;text-decoration:none}.row-actions a:hover{text-decoration:underline}.row-actions .explore{background:var(--soft);color:#2c5036;padding:5px 11px;border:1px solid #cfddc8;border-radius:4px;font-weight:600}.cell{font-size:12px;padding-top:3px}.points-cell{font-variant-numeric:tabular-nums}.formats-cell small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.date-cell{font-size:11px;white-space:nowrap}.mobile-label{display:none}.version-details{grid-column:1/-1;margin-top:13px;font-size:11px;color:var(--muted)}.version-details summary{padding:8px 0 11px;cursor:pointer;list-style:none;display:flex;gap:10px;align-items:center;width:fit-content}.version-details summary::before{content:'›';font-size:16px;line-height:1;transition:transform .12s}.version-details[open] summary::before{transform:rotate(90deg)}.version-details summary span{color:#6e7c70;font-size:10px}.version-body{background:var(--background);border-top:1px solid var(--line);padding:16px;margin:0 -22px}.version-body ul{list-style:none;padding:0;margin:0}.version-body li{padding:0 6px 12px;margin-bottom:12px;border-bottom:1px solid var(--line)}.version-body li p{margin:5px 0}.edition-title{display:flex;justify-content:space-between;gap:12px;font-size:12px}.edition-title a{font-weight:600}.edition-title span{font-size:11px}.repo-link{margin-left:6px}.empty{padding:40px 20px;text-align:center}.empty h2{font-size:17px;margin:0 0 6px}.empty p{color:var(--muted);font-size:13px;margin:0 0 16px}.empty button{border:1px solid #bdcdb7;background:var(--soft);color:var(--green);padding:8px 14px;border-radius:4px}.footer{display:flex;gap:16px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-top:20px}.footer .spacer{flex:1}.footer a{color:var(--muted)}.noscript{font-size:12px;color:var(--muted)}
.about-layout{max-width:920px}.about-layout .lead{font-size:16px;color:var(--muted);max-width:720px}.about-section{margin-top:30px;padding-top:25px;border-top:1px solid var(--line)}.about-section h2{font-size:18px;margin:0 0 12px}.about-section p{max-width:740px;color:var(--muted)}.about-section table{border-collapse:collapse;width:100%;font-size:13px}.about-section td{padding:10px 12px;border-bottom:1px solid var(--line)}.about-section td:first-child{width:150px;font-weight:600}.resource-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}.resource-list h3{font-size:14px;margin:0 0 5px}.resource-list p{font-size:13px;margin:0 0 8px}.demo{display:grid;grid-template-columns:300px 1fr;gap:25px;align-items:center}.compass{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.compass button{background:white;border:1px solid var(--line);border-radius:4px;padding:10px 4px;font-size:12px;color:var(--green)}.compass button[aria-pressed=true]{background:var(--green);color:#fff}.compass button[data-direction=up]{grid-column:2}.compass button[data-direction=left]{grid-column:1}.compass button[data-direction=down]{grid-column:2}.compass .thread{grid-column:1/-1;display:flex;gap:6px}.compass .thread button{flex:1}.demo-reading{background:#fff;border-left:3px solid #9ab982;padding:14px 18px}.demo-reading h3{margin:0;font-size:15px}.demo-reading p{font-size:13px;margin:8px 0 0}.demo-note{font-size:11px!important}
@media(min-width:1400px){.column-head,.orb-row{grid-template-columns:minmax(350px,1fr) 110px 65px 175px 130px}}
@media(max-width:1050px){.header-inner{padding:0 24px}.workspace{padding:24px}.column-head,.orb-row{column-gap:15px;grid-template-columns:minmax(220px,1fr) 80px 40px 122px 92px}.kind{display:none}.toolbar{flex-wrap:wrap}.search-field{flex-basis:40%}.field{min-width:120px}.date-cell{white-space:normal}.column-head,.orb-row{padding-left:16px;padding-right:16px}.version-body{margin:0 -16px}}
@media(max-width:760px){.header-inner{min-height:58px;padding:0 16px;gap:25px}.brand{font-size:17px}.brand svg{width:24px}.nav{gap:20px}.attribution{display:none}.workspace{padding:21px 16px 28px}.workspace-heading{gap:6px;display:block;margin-bottom:16px}.workspace-heading h1{font-size:25px}.workspace-heading p{font-size:12px;margin-top:5px}.toolbar{gap:12px;padding:15px}.search-field{flex-basis:100%;min-width:0}.field{flex:1;min-width:110px}.search-field{flex:1 1 100%}.clear{padding:5px 0;height:24px;flex-basis:100%;text-align:left}.list-status{margin-top:16px}.list-status a{display:none}.column-head{display:none}.orb-row{grid-template-columns:1fr 1fr;gap:12px 16px;padding:17px 16px 0}.orb-main{grid-column:1/-1}.orb-name h2{font-size:17px}.description{font-size:12px}.cell{padding:0;font-size:12px}.mobile-label{display:block;font-size:10px;color:var(--muted);margin-bottom:3px}.points-cell{grid-column:2;grid-row:2}.formats-cell{grid-column:1;grid-row:3}.date-cell{grid-column:2;grid-row:3}.formats-cell small{margin-top:3px}.version-details{margin-top:0}.version-body{margin:0 -16px}.edition-title{flex-direction:column;gap:3px}.footer{font-size:10px;gap:9px 14px}.footer .spacer{display:none}.footer .credit{flex-basis:100%}.demo{grid-template-columns:1fr}.compass{max-width:320px}.resource-list{grid-template-columns:1fr}.about-section td{padding:9px 7px}.about-section td:first-child{width:95px}}
@media(prefers-reduced-motion:reduce){*,*::before{transition:none!important;scroll-behavior:auto!important}}
.mobile-label{display:block;position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(min-width:761px){.orb-row{padding-top:15px}.description{margin:6px 0 9px}.version-details{margin-top:8px}.version-details summary{padding:6px 0 8px}.workspace{padding-top:23px}.toolbar{padding-top:15px;padding-bottom:15px}.list-status{margin-top:16px}}
@media(max-width:760px){.mobile-label{position:static;width:auto;height:auto;overflow:visible;clip-path:none;white-space:normal}}
@media print{.site-header,.toolbar,.row-actions,.footer,.version-details,.list-status a{display:none}body,.workspace{background:white;padding:0}.orb-row{break-inside:avoid}.catalog{border:0}.description{color:#222}}

/* Shared archive branding. The image is decorative; headings remain live text. */
:root{--background:#f3f5f7;--ink:#1c2935;--muted:#5b6977;--line:#dbe2e9;--green:#315d7b;--moss:#c1dded;--tool:#131e29;--soft:#eaf1f6}
.site-header{color:#e7eef4;border-bottom:1px solid #2a3947}
.brand svg{display:none}
.brand::before{content:"";width:32px;height:32px;flex:none;border-radius:50%;background:#111c28 url('orb-silver.jpg') center/155% no-repeat}
.nav a,.attribution{color:#bfccd7}
.workspace-heading{position:relative;isolation:isolate;overflow:hidden;min-height:180px;padding:35px 32px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:9px;margin-bottom:22px;border:1px solid #2b3d4d;border-radius:6px;background:#14202c;color:#f5f8fb}
.workspace-heading::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,#111b26,transparent 75%),linear-gradient(0deg,#253b4e66,transparent 65%)}
.workspace-heading::after{content:"";position:absolute;z-index:-1;right:0;top:-22px;width:600px;height:231px;background:url('orb-clouds.jpg') center/100% 100% no-repeat;mask-image:linear-gradient(90deg,transparent 46%,#000 62%)}
.workspace-heading h1{font-size:30px;font-weight:550;letter-spacing:-.025em;max-width:65%}
.workspace-heading p{color:#c8d5df;max-width:60%;font-size:13px}
.toolbar{background:#e7edf2;color:var(--ink);border:1px solid #d1dce5}
.field label{color:#4e6172}
.search-wrap svg{color:#637c90}
.toolbar input,.toolbar select{background:#fff;color:var(--ink);border-color:#bacad6}
.toolbar input::placeholder{color:#667887}
.clear{color:#315d7b}
.clear:hover{background:#d9e4ed}
.column-head{background:#edf2f6;color:#566879}
.orb-row:hover{background:#fafcfe}
.row-actions .explore{color:#315d7b;border-color:#cbdce8}
.version-details summary span{color:#66798a}
.demo-reading{border-left-color:#88adca}
.share-steps li{border-left-color:#b7ccdc}
.empty button{border-color:#b7ccdc}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-color:#548db4}
@media(max-width:760px){
  .workspace-heading{min-height:166px;padding:23px 20px;gap:8px}
  .workspace-heading::after{width:440px;height:170px;top:0;right:-85px;mask-image:linear-gradient(90deg,transparent 48%,#000 65%)}
  .workspace-heading h1{font-size:25px;max-width:65%}
  .workspace-heading p{font-size:12px;max-width:57%;margin:0}
  .brand::before{width:27px;height:27px}
}
@media print{.workspace-heading{min-height:0;padding:0;color:#111;background:white;border:0}.workspace-heading::before,.workspace-heading::after{display:none}.workspace-heading p{color:#333}}