/* hn-formal v2: a spreadsheet grid. One story per row, one field per column, a frozen header row, numbers right-aligned, one highlighted lead row. Styles the DOM from HnFormal/Render.lean. */

:root {
  --sheet: #ffffff;
  --paper: #eef0f3;
  --head: #e3e7ec;
  --band: #f5f7f9;
  --lead: #fff1a8;
  --hover: #e6f0ff;
  --ink: #1b1d21;
  --muted: #444a53;
  --line: #c3c8cf;
  --link: #0b4fb3;
  --visited: #5a2d82;
  --accent: #0b6e4f;
}

* { box-sizing: border-box; }

html {
  background: var(--paper);
  color: var(--ink);
  font: 13px/1.4 "Segoe UI", system-ui, Arial, Helvetica, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  overflow-wrap: anywhere;
}

body > * { max-width: 100%; }

a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; }
a:visited { color: var(--visited); }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* Formula bar: the row above the sheet. */
header {
  background: var(--head);
  border-bottom: 1px solid var(--line);
}
header nav {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0.35rem 0.5rem;
  font-size: 12px;
  white-space: normal;
}
header nav a { color: var(--ink); font-weight: 600; }
header nav a:visited { color: var(--ink); }

/* The sheet. */
main {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0.5rem;
  min-height: 70vh;
  background: var(--sheet);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
main > h1 {
  margin: 0 0 0.4rem;
  padding: 0.3rem 0.5rem;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--head);
  border: 1px solid var(--line);
}

table.grid {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-variant-numeric: tabular-nums;
}
table.grid th,
table.grid td {
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}
table.grid thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--head);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Column widths sum to 100 percent. Numbers sit right. */
table.grid .c-title { width: 40%; }
table.grid .c-domain { width: 15%; }
table.grid .c-num { width: 9%; text-align: right; white-space: nowrap; }
table.grid .c-by { width: 15%; }
table.grid .c-age { width: 12%; }

table.grid tbody tr:nth-child(even) td { background: var(--band); }
table.grid tbody tr:first-child td { background: var(--lead); }
table.grid tbody tr:hover td { background: var(--hover); }

table.grid td.c-title a[data-hn="title"] { color: var(--ink); font-weight: 600; }
table.grid td.c-title a[data-hn="title"]:visited { color: var(--visited); }
table.grid td.c-by a { font-size: 12px; }
table.grid td.c-num a { font-weight: 700; }
[data-hn="domain"], [data-hn="age"] { color: var(--muted); font-size: 12px; }
[data-hn="descendants"] { font-weight: 700; }

article[data-hn-story] { margin-bottom: 0.75rem; }

[data-hn="text"] {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--sheet);
  overflow-wrap: anywhere;
}
[data-hn="text"] p { margin: 0.35rem 0; }
[data-hn="text"] p:first-child { margin-top: 0; }

code, pre {
  font-family: ui-monospace, Consolas, Menlo, "Liberation Mono", monospace;
  font-size: 12px;
  background: #eceef1;
  color: var(--ink);
}
code { padding: 0 0.2em; }
pre {
  margin: 0.35rem 0;
  padding: 0.35rem 0.5rem;
  max-width: 100%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
pre code { padding: 0; background: none; }

ol.comments, ol.kids { list-style: none; margin: 0; padding: 0; }
ol.comments { margin-top: 0.5rem; }
ol.comments > li, ol.kids > li {
  margin-top: 0.3rem;
  border: 1px solid var(--line);
  background: var(--sheet);
}
ol.kids {
  margin: 0.3rem 0 0 0.5rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--line);
}
ol.kids:empty { display: none; }
ol.kids ol.kids ol.kids ol.kids { margin-left: 0; padding-left: 0; border-left: 0; }

.chead {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.75rem;
  padding: 0.25rem 0.5rem;
  background: var(--head);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.chead a { color: var(--ink); font-weight: 600; }
.chead a:visited { color: var(--ink); }

.more { padding: 0.5rem 0.25rem; font-size: 12px; border-top: 1px solid var(--line); }
.more a { font-weight: 700; }

footer {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0.5rem;
  background: var(--head);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}
footer p { margin: 0 0 0.35rem; }
footer a { color: var(--link); }
footer a:visited { color: var(--visited); }

@media (max-width: 40rem) {
  main { padding: 0.25rem; overflow-x: auto; }
  table.grid { table-layout: auto; min-width: 38rem; }
  table.grid th, table.grid td { padding: 0.2rem 0.3rem; }
  table.grid .c-title { width: auto; min-width: 12rem; }
  ol.kids { margin-left: 0.25rem; padding-left: 0.4rem; }
}