:root{--bg:#f6f7f4;--bg2:#ffffff;--ink:#14201f;--ink2:#4b5a58;--line:#c9d2cf;--line2:#e3e8e5;--accent:#1747c8;--accent-ink:#ffffff;--accent-soft:#e2e9fb;--good:#1b7a4a;--warn:#a15c00;--bad:#b3261e;--display:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;--body:"IBM Plex Sans",system-ui,"Segoe UI",sans-serif;--mono:"IBM Plex Mono",Consolas,monospace;--radius:4px;--grid:linear-gradient(to right,rgba(23,71,200,.09) 1px,transparent 1px),linear-gradient(to bottom,rgba(23,71,200,.09) 1px,transparent 1px)}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}button{font:inherit;color:inherit;cursor:pointer}code,pre,kbd,.mono{font-family:var(--mono)}h1,h2,h3{margin:0;text-wrap:balance}.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.nav{display:flex;align-items:center;gap:28px;padding:18px 0;border-bottom:1px solid var(--line2)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:1.15rem;letter-spacing:-.01em;text-decoration:none}
.nav .links{display:flex;gap:22px;margin-left:auto;font-size:.95rem}.nav .links a{text-decoration:none;color:var(--ink2)}.nav .links a[aria-current="page"]{color:var(--ink);font-weight:600}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--ink);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:var(--radius);font-weight:600;font-size:.95rem;text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.ghost{background:transparent;color:var(--ink)}
.linklike{background:none;border:0;padding:0;color:var(--accent);text-decoration:underline;font-size:.9rem}
.hint{font-family:var(--mono);font-size:.8rem;color:var(--ink2)}
.notice{border-left:3px solid var(--accent);background:var(--accent-soft);padding:10px 14px;border-radius:0 var(--radius) var(--radius) 0;font-size:.92rem;max-width:60ch}.notice.bad{border-color:var(--bad)}
/* hero */
.hero{position:relative;padding:80px 0 56px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.hero::before{content:"";position:absolute;inset:0 -24px;background-image:var(--grid);background-size:24px 24px;z-index:-1;mask-image:linear-gradient(to bottom,#000 60%,transparent)}
.eyebrow{font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink2);margin-bottom:18px;display:flex;gap:12px;align-items:center}.eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
h1.hl{font-family:var(--display);font-size:clamp(2.4rem,6vw,4.6rem);font-weight:500;letter-spacing:-.03em;line-height:.98}h1.hl em{font-style:normal;color:var(--accent)}
.lede{font-size:1.15rem;color:var(--ink2);max-width:52ch;margin:22px 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
/* demo */
.demo{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 0 var(--line),0 12px 32px -20px rgba(20,32,31,.35);overflow:hidden}
.demo .bar{display:flex;gap:2px;border-bottom:1px solid var(--line2);padding:8px;background:#eef1ee}
.demo .bar button{background:none;border:0;padding:8px 12px;border-radius:var(--radius);font-family:var(--mono);font-size:.82rem;color:var(--ink2)}.demo .bar button[aria-pressed="true"]{background:var(--bg2);color:var(--ink);box-shadow:0 0 0 1px var(--line)}
.demo .body{padding:18px;display:grid;gap:14px}
.demo label{display:grid;gap:6px;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink2);font-family:var(--mono)}
.demo input{font:inherit;font-family:var(--mono);font-size:1rem;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);color:var(--ink);width:100%}
.demo .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.demo .run{justify-self:start}
.out{background:#f0f2ef;border:1px solid var(--line2);border-radius:var(--radius);padding:14px;font-family:var(--mono);font-size:.82rem;line-height:1.5;white-space:pre-wrap;overflow:auto;margin:0;min-height:120px;max-height:340px}
.out .k{color:var(--ink2)}.out .s{color:var(--accent)}.out .n{color:var(--good)}.out .w{color:var(--warn)}.out .b{color:var(--bad)}
.latency{font-family:var(--mono);font-size:.75rem;color:var(--ink2);display:flex;justify-content:space-between}
/* proof + tools + contract */
.proof{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof>div{padding:22px 20px 22px 0;border-right:1px solid var(--line2)}.proof>div:last-child{border-right:0}.proof>div+div{padding-left:20px}
.proof .big{font-family:var(--display);font-size:2rem;font-weight:600;line-height:1}.proof .sm{font-size:.85rem;color:var(--ink2);margin-top:6px}
section.tools{padding:64px 0}.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:26px}
h2.sec{font-family:var(--display);font-size:clamp(1.6rem,3vw,2.3rem);font-weight:600;letter-spacing:-.02em}.sec-h p{color:var(--ink2);margin:0;max-width:44ch;text-align:right}
.tgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line2);border:1px solid var(--line2)}
.tool{background:var(--bg2);padding:18px;display:grid;gap:8px;align-content:start;transition:background .15s}.tool:hover{background:var(--accent-soft)}
.tool .n{font-family:var(--mono);font-weight:600}.tool .n a{color:inherit;text-decoration:none}.tool .n a:hover{text-decoration:underline}.tool .d{font-size:.9rem;color:var(--ink2)}.tool .m{font-family:var(--mono);font-size:.72rem;color:var(--ink2)}
section.contract{padding:0 0 72px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.contract p{color:var(--ink2);max-width:46ch}
footer{border-top:1px solid var(--line2);padding:28px 0;font-size:.85rem;color:var(--ink2);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}footer a{color:var(--ink2)}
/* login + error */
.login{padding:96px 0;text-align:center;display:grid;justify-items:center;gap:18px}.login h2{font-family:var(--display);font-size:2.4rem;font-weight:600}.login p{color:var(--ink2);max-width:44ch;margin:0}
/* dashboard */
.dash{padding:48px 0 80px;display:grid;grid-template-columns:260px 1fr;gap:40px}
.side{display:grid;gap:8px;align-content:start;font-size:.95rem}.side .me{display:flex;gap:10px;align-items:center;padding:12px;border:1px solid var(--line2);border-radius:var(--radius);margin-bottom:12px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700;font-family:var(--display);object-fit:cover}
.side .who{font-weight:600}.side .mail{font-size:.8rem;color:var(--ink2)}
.side a{display:block;padding:8px 10px;border-radius:var(--radius);text-decoration:none;color:var(--ink2)}.side a.cur{background:var(--accent-soft);color:var(--ink);font-weight:600}.side form{padding:8px 10px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line2);border:1px solid var(--line2);margin-bottom:28px}
.stat{background:var(--bg2);padding:16px 18px}.stat .l{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);font-family:var(--mono)}.stat .v{font-family:var(--display);font-size:1.9rem;font-weight:600;margin-top:4px;line-height:1.1}.stat .sub{font-size:.9rem;color:var(--ink2)}
.meter{height:6px;background:var(--line2);border-radius:3px;margin-top:10px;overflow:hidden}.meter i{display:block;height:100%;background:var(--accent)}
table.keys{width:100%;border-collapse:collapse;font-size:.92rem}table.keys th{text-align:left;font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);padding:10px 8px;border-bottom:1px solid var(--line)}table.keys td{padding:12px 8px;border-bottom:1px solid var(--line2);vertical-align:middle}td.right{text-align:right}.rowacts{display:flex;gap:14px;align-items:center;justify-content:flex-end}td.empty{color:var(--ink2);padding:24px 8px}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.72rem;font-family:var(--mono);border:1px solid currentColor}.pill.ok{color:var(--good)}.pill.off{color:var(--ink2)}.pill.soon{color:var(--bad)}
.newkey{display:flex;gap:10px;margin:18px 0}.newkey input,.newkey select{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);color:var(--ink)}.newkey input{flex:1}.newkey select{font-family:var(--mono);font-size:.88rem}
.hint.warn{color:var(--bad)}.hint.warn a{color:inherit}.newkey+.hint.warn{margin:-8px 0 14px}.hint[hidden]{display:none}
/* per-key tool scope: a tree, one row per tool with its modes as children */
.newkey{flex-wrap:wrap}.newkey .scope-pick{flex-basis:100%;font-size:.92rem}.scope-pick summary{cursor:pointer;color:var(--ink2)}.scope-pick summary::marker{color:var(--line)}
.scope{margin:12px 0 4px;border:1px solid var(--line2);border-radius:var(--radius);background:var(--bg2);max-height:min(60vh,620px);overflow:auto}
.scope .node{border-bottom:1px solid var(--line2)}.scope .node:last-child{border-bottom:0}
.scope .row{display:flex;align-items:center;gap:8px;padding:7px 12px;min-height:34px}
.scope .row:hover{background:var(--bg)}
.scope .twisty{display:grid;place-items:center;width:18px;height:18px;flex:0 0 18px;border:0;background:none;padding:0;color:var(--ink2);border-radius:3px}
.scope .twisty:hover{background:var(--line2);color:var(--ink)}
.scope .twisty svg{transition:transform .12s ease}
.scope .node[aria-expanded="true"]>.row .twisty svg{transform:rotate(90deg)}
.scope .twisty.spacer{pointer-events:none}
.scope .name{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-weight:600;font-size:.86rem;cursor:pointer;flex:1 1 auto;min-width:0}
.scope .name span{overflow:hidden;text-overflow:ellipsis}
.scope .count{font-family:var(--mono);font-size:.72rem;color:var(--ink2);background:var(--bg);border:1px solid var(--line2);border-radius:999px;padding:1px 8px;flex:0 0 auto;font-variant-numeric:tabular-nums}
.scope .node.partial>.row .count{color:var(--accent);border-color:var(--accent-soft);background:var(--accent-soft)}
.scope .node.off>.row .name{color:var(--ink2);font-weight:500}
.scope .group{padding:9px 12px 5px;font-family:var(--mono);font-size:.74rem;font-weight:600;color:var(--ink2);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--line2);background:var(--bg)}
.scope .group .hint{text-transform:none;letter-spacing:0;font-weight:400}
.scope .pill.net{color:var(--accent);flex:0 0 auto}
.scope .node.off>.row .count{opacity:.5}
/* children: indented under a guide line, the way a file tree reads */
.scope .kids{display:none;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:2px 12px;padding:2px 12px 10px 38px;margin-left:19px;border-left:1px solid var(--line2)}
.scope .node[aria-expanded="true"]>.kids{display:grid}
.scope .mode{display:flex;align-items:center;gap:7px;font-size:.8rem;color:var(--ink2);cursor:pointer;padding:3px 6px;border-radius:3px;white-space:nowrap}
.scope .mode:hover{background:var(--bg)}
.scope .mode input:disabled+span{opacity:.45}
.scope input[type=checkbox]{flex:0 0 auto;margin:0;accent-color:var(--accent)}
.scope .tools-head{display:flex;align-items:center;gap:12px;padding:8px 12px;border-bottom:1px solid var(--line2);background:var(--bg);position:sticky;top:0;z-index:1;font-size:.85rem}
.scope .tools-head .grow{margin-left:auto;display:flex;gap:8px}
.lede.sm{font-size:1rem;margin:10px 0 18px}.scopeform .cta{margin-top:16px}td .tools{font-size:.85rem;color:var(--ink2)}
@media (max-width:640px){.scope .kids{grid-template-columns:1fr 1fr;padding-left:30px}}
.keybar .hint.expiry{margin-left:0;flex-basis:100%;font-family:var(--body)}
.reveal{margin:0 0 18px;padding:16px;border:1px dashed var(--accent);border-radius:var(--radius);background:var(--accent-soft);position:relative}.reveal code{display:block;font-size:1rem;margin:8px 0;word-break:break-all}.reveal .note code{display:inline;font-size:inherit;margin:0}.reveal .note{font-size:.85rem;color:var(--ink2)}.reveal .copy{position:absolute;top:12px;right:12px}
/* docs */

.docs{padding:40px 0 80px;display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px}
.toc{position:sticky;top:16px;align-self:start;display:grid;gap:2px;font-size:.92rem}.toc .grp{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2);margin:14px 0 6px}
.toc a{padding:6px 10px;border-radius:var(--radius);text-decoration:none;color:var(--ink2);border-left:2px solid transparent}.toc a.cur{color:var(--ink);border-left-color:var(--accent);font-weight:600}
.doc h1{font-family:var(--display);font-size:2.4rem;font-weight:600;letter-spacing:-.02em;margin-bottom:8px}.doc h2{font-family:var(--display);font-size:1.35rem;font-weight:600;margin:40px 0 12px;padding-top:12px;border-top:1px solid var(--line2)}.doc h3{font-size:1.05rem;margin:24px 0 8px}
.doc p,.doc li{max-width:66ch;color:var(--ink2)}.doc p strong{color:var(--ink)}.doc a{color:var(--accent)}
.doc pre{background:#f0f2ef;border:1px solid var(--line2);border-radius:var(--radius);padding:16px 18px;overflow-x:auto;font-size:.84rem;line-height:1.55;margin:0 0 14px}.doc :not(pre)>code{background:#eef1ee;padding:1px 5px;border-radius:3px;font-size:.88em}
.doc table{width:100%;border-collapse:collapse;font-size:.9rem;margin:8px 0 16px}.doc th,.doc td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line2);vertical-align:top}.doc th{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2)}
.ostabs{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:10px 0}.ostabs button{background:none;border:0;padding:8px 14px;font-size:.85rem;font-weight:500;color:var(--ink2)}.ostabs button+button{border-left:1px solid var(--line)}.ostabs button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.os-block{position:relative}.os-block h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);margin:10px 0 6px}.js .os-block{display:none}.js .os-block.show{display:block}.js .os-block h4{display:none}
.copy{font-family:var(--mono);font-size:.72rem;background:var(--bg2);border:1px solid var(--line);color:var(--ink2);padding:4px 8px;border-radius:var(--radius)}.copy:hover{color:var(--ink)}
.doc .codewrap{position:relative}.doc .codewrap .copy{position:absolute;top:8px;right:8px}.doc .codewrap pre{padding-right:4.5rem}
/* request / response examples: blue is what you send, green is what comes back */
.io{margin:0 0 14px;border:1px solid var(--line2);border-radius:var(--radius);overflow:hidden}
.io-label{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-bottom:1px solid var(--line2)}
.doc .io pre{margin:0;border:0;border-left:3px solid transparent;border-radius:0}
.doc .io .codewrap+.codewrap pre,.doc .io pre+pre{border-top:1px solid var(--line2)}
.doc .io p{margin:10px 0;padding:0 12px;font-size:.9rem}.doc .io ul,.doc .io ol{padding-left:34px}
.doc .io .ostabs{margin:10px 12px}.doc .io .os-block h4{padding:0 12px}
.io-req .io-label{background:var(--accent-soft);color:var(--accent)}.doc .io-req pre{background:#f2f5fd;border-left-color:var(--accent)}
.io-res .io-label{background:#e6f3ec;color:var(--good)}.doc .io-res pre{background:#f1f7f3;border-left-color:var(--good)}
.io-cmd .io-label{background:#eef1ee;color:var(--ink2)}.doc .io-cmd pre{background:#f0f2ef;border-left-color:var(--line)}
pre,.out{scrollbar-width:thin}pre::-webkit-scrollbar{height:8px}pre::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.callout{border-left:3px solid var(--accent);background:var(--accent-soft);padding:12px 16px;border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;font-size:.92rem}
@media (max-width:860px){.hero,.contract,.dash,.docs{grid-template-columns:1fr}.tgrid{grid-template-columns:1fr 1fr}.proof{grid-template-columns:1fr}.proof>div{border-right:0;border-bottom:1px solid var(--line2);padding-left:0}.toc{position:static}.sec-h{flex-direction:column;align-items:flex-start}.sec-h p{text-align:left}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:6px;font-size:.9rem;transition:.25s;pointer-events:none}.toast.show{opacity:1;transform:translateX(-50%)}
/* docs key picker */
.keybar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 28px;padding:12px 14px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius);background:var(--bg2);max-width:none}
.keybar label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink2)}
.keybar select{font:inherit;font-family:var(--mono);font-size:.88rem;padding:7px 34px 7px 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%234b5a58' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 11px center;color:var(--ink);appearance:none;-webkit-appearance:none;max-width:100%;cursor:pointer}
.keybar .linklike{font-size:.85rem}
.js .keybar button{display:none}
.keybar .hint{font-family:var(--body);font-size:.85rem;color:var(--ink2);margin-left:auto}
p.keybar.hint{display:block;font-family:var(--body);font-size:.92rem;color:var(--ink2)}
p.keybar.hint a{color:var(--accent)}
@media (max-width:860px){.keybar .hint{margin-left:0;flex-basis:100%}}
/* loading skeletons (progressive enhancement) */
.skel{position:relative;overflow:hidden;background:var(--line2);border-radius:var(--radius);color:transparent!important;pointer-events:none}
.skel::after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);animation:skel-shimmer 1.1s infinite}
.skel-lines{display:grid;gap:10px;padding:14px}
.skel-lines i{display:block;height:12px;border-radius:3px;background:var(--line);opacity:.55}
.skel-lines i:nth-child(2){width:78%}.skel-lines i:nth-child(3){width:64%}.skel-lines i:nth-child(4){width:86%}.skel-lines i:nth-child(5){width:40%}
/* the skeleton stands in for the content rather than covering it: the wrapper's own
   children leave the flow, so nothing shows through and nothing is stacked above */
.doc.is-loading>*:not(.skel-lines),#page.is-loading>*:not(.skel-lines){display:none}
.doc.is-loading>.skel-lines,#page.is-loading>.skel-lines{padding:24px 0}
#page{min-height:40vh}
#page.is-loading>.skel-lines{padding:32px 0}
/* a whole page is standing in, so give the skeleton a heading bar and a body block */
#page.is-loading>.skel-lines i:first-child{height:26px;width:42%;opacity:.7}
.keys.is-loading tbody{opacity:.35}
.btn.is-busy{opacity:.6;pointer-events:none}
@keyframes skel-shimmer{to{transform:translateX(100%)}}
@media (prefers-reduced-motion:reduce){.skel::after{animation:none}}