/* neo — one hand-written stylesheet. No framework, no build step, no CDN.
   The Know pages print the Brain's lines in a <pre>, so a monospace that is
   actually readable matters more here than anything decorative. */

:root {
  --ink: #16181d;
  --soft: #5d646f;
  --line: #dfe3e8;
  --bg: #ffffff;
  --panel: #f7f8fa;
  --accent: #1f4ea1;
  --warn: #8a4b00;
  --bad: #a01f2b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header {
  display: flex; align-items: baseline; gap: 1.5rem; flex-wrap: wrap;
  padding: .8rem 1.5rem; border-bottom: 1px solid var(--line); background: var(--panel);
}
.brand { font-weight: 700; letter-spacing: .04em; color: var(--ink); text-decoration: none; }
.brand span { font-weight: 400; color: var(--soft); letter-spacing: 0; }

nav { display: flex; align-items: baseline; gap: 1.1rem; margin-left: auto; flex-wrap: wrap; }
nav a { color: var(--accent); text-decoration: none; }
nav a:hover { text-decoration: underline; }
nav .who { color: var(--soft); font-size: .85rem; }

main { max-width: 64rem; margin: 0 auto; padding: 1.8rem 1.5rem 3rem; }
footer {
  max-width: 64rem; margin: 0 auto; padding: 1rem 1.5rem 2.5rem;
  color: var(--soft); font-size: .82rem; border-top: 1px solid var(--line);
}

h1 { font-size: 1.45rem; margin: 0 0 .4rem; }
h2 { font-size: 1.1rem; margin: 1.8rem 0 .4rem; }
.lead { color: var(--soft); margin: 0 0 1.4rem; }
.small { color: var(--soft); font-size: .86rem; }

.card {
  display: grid; gap: .5rem; max-width: 24rem;
  padding: 1.2rem; border: 1px solid var(--line); border-radius: 6px; background: var(--panel);
}
.card.wide { max-width: 38rem; }
textarea {
  padding: .55rem .6rem; border: 1px solid var(--line); border-radius: 4px;
  font: inherit; background: var(--bg); color: var(--ink); resize: vertical;
}
td.note { max-width: 28rem; }
select {
  padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 4px;
  font-size: 1rem; background: var(--bg); color: var(--ink);
}
code {
  font: .9em ui-monospace, "Cascadia Mono", Consolas, monospace;
  background: var(--panel); padding: .05em .3em; border-radius: 3px;
}
label { font-size: .85rem; color: var(--soft); }
input[type=email], input[type=text] {
  padding: .55rem .6rem; border: 1px solid var(--line); border-radius: 4px;
  font-size: 1rem; background: var(--bg); color: var(--ink);
}
#code { font: 1.3rem/1 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: .3em; }
button {
  margin-top: .4rem; padding: .55rem .9rem; border: 0; border-radius: 4px;
  background: var(--accent); color: #fff; font-size: .95rem; cursor: pointer;
}
button.plain { background: none; color: var(--accent); padding: 0; font-size: inherit; }
form.inline { display: inline; }

.demo {
  margin: 0; padding: .5rem 1.5rem; text-align: center;
  background: #8a4b00; color: #fff; font-size: .86rem;
}
.demo strong { letter-spacing: .06em; text-transform: uppercase; }
.note  { padding: .7rem .9rem; border-left: 3px solid var(--accent); background: var(--panel); }
.error { padding: .7rem .9rem; border-left: 3px solid var(--bad); background: var(--panel); color: var(--bad); }
.unknown { color: var(--warn); }
.live { color: #1a7f37; font-weight: 600; }

table.rows { border-collapse: collapse; width: 100%; margin: 1rem 0; }
table.rows th, table.rows td { text-align: left; padding: .4rem .7rem; border-bottom: 1px solid var(--line); }
table.rows th { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--soft); }
table.rows td.n, table.rows th.n { text-align: right; font-variant-numeric: tabular-nums; }

pre.know {
  overflow-x: auto; padding: 1rem; background: var(--panel);
  border: 1px solid var(--line); border-radius: 6px;
  font: 13px/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace;
}
pre.know a { color: var(--accent); }

/* The type-ahead panel. It shows only when there is something to show, and
   the page works with the script off — the form submits to /know/search. */
.hits {
  max-width: 38rem; margin: -.4rem 0 1.4rem;
  border: 1px solid var(--line); border-radius: 6px; background: var(--bg);
  box-shadow: 0 2px 6px rgba(0,0,0,.06); overflow: hidden;
}
.hits .hit-kind {
  padding: .35rem .8rem; background: var(--panel); border-bottom: 1px solid var(--line);
  font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--soft);
}
.hits .hit-kind b { color: var(--ink); }
.hits a {
  display: block; padding: .4rem .8rem; color: var(--ink); text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.hits a:last-child { border-bottom: 0; }
.hits a:hover { background: var(--panel); }
.hits a span, .hits .hit-kind span { color: var(--soft); font-size: .85em; }
input[type=search] {
  padding: .55rem .6rem; border: 1px solid var(--line); border-radius: 4px;
  font-size: 1rem; background: var(--bg); color: var(--ink);
}