/* revl research pages. Loaded after site.css and reusing its tokens.
   Written for a phone first: one column, no horizontal page scroll. Tables
   scroll inside their own box; long paths and identifiers wrap. */

body.research { overflow-wrap: break-word; }
body.research main { padding-top: 40px; padding-bottom: 72px; max-width: 860px; }

body.research h1 {
  font-size: clamp(28px, 6vw, 44px); line-height: 1.12;
  letter-spacing: -0.03em; font-weight: 800; margin: 0 0 16px;
}
body.research h2 {
  font-size: clamp(21px, 4vw, 27px); line-height: 1.25;
  letter-spacing: -0.02em; margin: 44px 0 14px;
}
body.research h3 { font-size: 17px; line-height: 1.35; margin: 0 0 6px; }
body.research p, body.research li { max-width: 46em; }
body.research ul, body.research ol { padding-left: 22px; }
body.research li { margin: 0 0 6px; }
body.research .muted { color: var(--muted); font-size: 14px; }

body.research code {
  font-size: 0.86em; background: rgba(148, 163, 184, 0.1);
  border-radius: 5px; padding: 1px 5px; overflow-wrap: anywhere;
}
body.research a.repo code { color: var(--blue); }
body.research a.repo:hover code { background: var(--teal-weak); }

.research-hero { padding: 24px 0 8px; }
.research-hero .lede { font-size: 18px; color: var(--muted); max-width: 36em; }

.badge-plain { background: rgba(148, 163, 184, 0.1); color: var(--muted); }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }

.crumbs { font-family: var(--mono); font-size: 12.5px; color: var(--faint); margin: 0 0 14px; }
.back { margin-top: 48px; }

/* collection index */
.maturity { list-style: none; padding: 0; }
.maturity li { margin: 0 0 8px; color: var(--muted); }

.filters {
  display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: center;
  margin: 0 0 24px; padding: 14px 16px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
}
.filters[hidden] { display: none; }
.filters label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--faint); font-family: var(--mono); }
.filters select {
  background: var(--bg1); color: var(--text); border: 1px solid var(--line-strong);
  border-radius: 7px; padding: 7px 10px; font: inherit; font-size: 14px; max-width: 100%;
}

section.theme[hidden], article.paper[hidden] { display: none; }
section.theme h2 .count {
  font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--faint);
  margin-left: 8px;
}
article.paper {
  padding: 14px 16px; margin: 0 0 12px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
}
article.paper:hover { border-color: var(--line-strong); }
article.paper h3 a { color: var(--text); }
.paper-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 8px; }
.paper-id { font-family: var(--mono); font-weight: 600; font-size: 13px; }
article.paper .status { margin: 0; color: var(--muted); font-size: 14.5px; }

.groups li { color: var(--muted); }
.groups li a { font-family: var(--mono); }

/* one paper */
.state {
  margin: 0 0 28px; padding: 14px 18px;
  background: var(--panel); border: 1px solid var(--line);
  border-left: 3px solid var(--amber); border-radius: 10px;
}
.state p { margin: 0 0 8px; }
.state p:last-child { margin: 0; }
.toc ol { columns: 2 260px; column-gap: 28px; font-size: 14.5px; margin: 0 0 8px; }
.toc a { color: var(--muted); }

.tablewrap {
  overflow-x: auto; margin: 14px 0 20px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  -webkit-overflow-scrolling: touch;
}
.tablewrap table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 13.5px; }
.tablewrap th {
  text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--faint); font-weight: 500;
  padding: 9px 12px; border-bottom: 1px solid var(--line); background: var(--bg1);
}
.tablewrap td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tablewrap tr:last-child td { border-bottom: 0; }

pre.cite {
  overflow-x: auto; margin: 12px 0; padding: 14px 16px;
  background: var(--bg1); border: 1px solid var(--line); border-radius: 10px;
  font-size: 13px; line-height: 1.5;
}
pre.cite code { background: none; padding: 0; overflow-wrap: normal; }

@media (max-width: 620px) {
  body.research main { padding-top: 24px; }
  .toc ol { columns: 1; }
  .filters label, .filters select { width: 100%; }
  .foot-inner { gap: 16px; }
}