:root{
  --bg:#0a0a0a;--bg-1:#0f0f0f;--bg-2:#171717;--bg-3:#1f1f1f;
  --line:#222;--line-2:#303030;
  --fg:#ededed;--fg-2:#a3a3a3;--fg-3:#6b6b6b;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:4px;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:13.5px/1.5 var(--sans);-webkit-font-smoothing:antialiased}
h1,h2,h3,p,dl,dd,ul,blockquote{margin:0}
ul{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
svg{width:14px;height:14px;flex-shrink:0;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:1px solid var(--fg);outline-offset:2px}
.dim{color:var(--fg-3);font-size:12px}
.eyebrow{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--fg-3)}
.link{color:var(--fg-2);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2)}
.link:hover{color:var(--fg)}

/* Shell */
.shell{display:grid;grid-template-columns:190px 1fr;min-height:100%}
.side{background:var(--bg-1);border-right:1px solid var(--line);padding:14px 10px;display:flex;flex-direction:column;gap:6px}
.ws{display:flex;align-items:center;gap:8px;padding:4px 8px 14px;font-size:13px;font-weight:600;letter-spacing:-.01em}
.mark{width:12px;height:12px;border:1.5px solid currentColor;border-radius:3px;position:relative}
.mark::after{content:'';position:absolute;inset:2.5px;background:currentColor;border-radius:1px}
.side-h{padding:14px 8px 4px;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--fg-3)}
.nav{display:flex;align-items:center;gap:8px;height:28px;padding:0 8px;border-radius:var(--r);color:var(--fg-2);font-size:13px}
.nav:hover{background:var(--bg-2);color:var(--fg)}
.nav.on{background:var(--bg-2);color:var(--fg)}

/* Main */
.main{min-width:0;display:flex;flex-direction:column}
.top{padding:14px 24px 0}
.crumb{display:flex;gap:8px;font-size:12px;color:var(--fg-3)}
.crumb [aria-current]{color:var(--fg-2)}
.head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:8px 0 14px}
h1{font-size:18px;font-weight:500;letter-spacing:-.01em}
.search{display:flex;align-items:center;gap:8px;width:260px;height:30px;padding:0 10px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg-1);color:var(--fg-3)}
.search:focus-within{border-color:var(--fg-3)}
.search input{flex:1;min-width:0;background:none;border:0;padding:0;color:var(--fg);font:inherit;outline:0}
.search input::placeholder{color:var(--fg-3)}
.search input::-webkit-search-cancel-button{-webkit-appearance:none}

.split{flex:1;display:grid;grid-template-columns:300px 1fr;border-top:1px solid var(--line);min-height:0}
.list{border-right:1px solid var(--line);background:var(--bg-1)}
.list-h{display:flex;align-items:baseline;justify-content:space-between;padding:12px 16px 8px}
.list-h h2,.block-h h3{font-size:12px;font-weight:500;color:var(--fg-2)}
.item{display:block;width:100%;text-align:left;padding:10px 16px;border-top:1px solid var(--line);color:var(--fg-2)}
#items li:last-child .item{border-bottom:1px solid var(--line)}
.item:hover{background:var(--bg-2)}
.item[aria-current=true]{background:var(--bg-2);color:var(--fg);box-shadow:inset 2px 0 0 var(--fg)}
.item .t{display:block;font-size:13.5px;line-height:1.4}
.item .s{display:block;margin-top:3px;font-size:12px;color:var(--fg-3)}
.item.hl{box-shadow:inset 2px 0 0 var(--fg),inset 0 0 0 1px var(--line-2)}
.empty{padding:24px 16px;border-top:1px solid var(--line);color:var(--fg-3);font-size:13px}

/* Detail */
.detail{padding:20px 28px 40px;max-width:860px;min-width:0}
.d-head h2{margin-top:6px;font-size:17px;font-weight:500;letter-spacing:-.01em;line-height:1.35}
.d-sum{margin-top:6px;font-size:14px;line-height:1.5;color:var(--fg-2)}
.meta{margin:16px 0 4px;border-collapse:collapse;width:100%;max-width:460px;font-size:13px}
.meta th,.meta td{padding:7px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.meta th{width:110px;font-weight:400;color:var(--fg-3)}
.meta tr.hl td{color:var(--fg);box-shadow:inset 0 -1px 0 var(--fg)}
.block{margin-top:24px;padding-top:14px;border-top:1px solid var(--line)}
.block-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}
.tgl{font-size:12px;color:var(--fg-2);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2)}
.tgl:hover{color:var(--fg)}
.msg{padding:10px 14px;border-left:2px solid var(--line-2);background:var(--bg-1);font-size:14px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.mono{font-family:var(--mono);font-size:12.5px;line-height:1.6}
.src{margin-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;max-width:520px;font-size:12.5px}
.src div{display:flex;gap:10px;padding:5px 0;border-bottom:1px solid var(--line)}
.src dt{width:72px;color:var(--fg-3);flex-shrink:0}
.sum{font-size:14.5px;line-height:1.5}
.links{margin-top:8px;font-size:12.5px;line-height:1.7;color:var(--fg-3)}
.links .link[aria-current=true]{color:var(--fg)}
.run{display:flex;align-items:flex-start;gap:8px;margin-top:10px;font-size:12.5px;line-height:1.5;color:var(--fg-3)}
.run svg{margin-top:3px}

/* Graph */
.graph{width:100%;max-width:420px;height:auto;display:block;font-family:var(--sans);stroke:none}
.graph .edge line,.graph .edge path{stroke:var(--fg-3);stroke-width:1.2;fill:none}
.graph .edge text{fill:var(--fg-3);font-size:11px;font-family:var(--mono);letter-spacing:.04em}
.graph .node{cursor:pointer;outline:0}
.graph .node rect{fill:var(--bg-1);stroke:var(--line-2);stroke-width:1}
.graph .node text{fill:var(--fg-2);font-size:12.5px}
.graph .node:hover rect{fill:var(--bg-2)}
.graph .node:hover text{fill:var(--fg)}
.graph .node[aria-pressed=true] rect{stroke:var(--fg);fill:var(--bg-2)}
.graph .node[aria-pressed=true] text{fill:var(--fg)}
.graph .node:focus-visible rect{stroke:var(--fg);stroke-dasharray:3 2}

/* Signed-in identity and sign-out, from the server */
.side-user{margin-top:auto}
.who{padding:2px 8px 4px;font-size:13px;color:var(--fg)}
.out-f{margin:0}
.out-f .nav{width:100%}

/* Sign-in page */
.signin{max-width:360px;margin:12vh auto 0;padding:0 20px}
.signin h1{margin:18px 0 14px}
.signin-f{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.signin-f label{font-size:12.5px;color:var(--fg-2)}
.signin-f input{height:34px;padding:0 10px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg-1);color:var(--fg);font:inherit;outline:0}
.signin-f input:focus{border-color:var(--fg-3)}
.btn{height:32px;margin-top:6px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg-2);color:var(--fg);font-size:13px}
.btn:hover{border-color:var(--fg-3)}
.err{color:#e5a3a3;font-size:12.5px}

/* Desktop: list and detail scroll on their own so the selected detail stays in view */
@media (min-width:901px){
  .shell{height:100%}
  .main{min-height:0}
  .split{min-height:0;grid-template-rows:minmax(0,1fr)}
  .list,.detail{min-height:0;overflow-y:auto}
}

/* Narrow */
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{flex-direction:row;flex-wrap:wrap;align-items:center;gap:2px;border-right:0;border-bottom:1px solid var(--line);padding:8px 10px}
  .ws{padding:0 8px 0 4px;margin-right:8px}
  .side-h{display:none}
  .split{grid-template-columns:1fr}
  .list{border-right:0;border-bottom:1px solid var(--line)}
  .head{flex-wrap:wrap}
  .search{width:100%}
  .detail{padding:18px 16px 32px}
  .src{grid-template-columns:1fr}
}