/* ============================================================================
   ABSTRACT SHEET — nuttakitkundum.com
   One paper, one page: an eyebrow, a lede, three paragraphs, the source.
   Loaded AFTER theme.css. Deliberately owns no charts, tables or panels.
   ========================================================================= */

:root {
  --read: #c7d4cb;          /* long-form body ink — a step under --pale */
  --measure: 40rem;         /* the reading column */
}

/* ---- chrome -------------------------------------------------------- */

header { padding: 16px 28px; position: sticky; top: 0; z-index: 20; }

.title-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  max-width: var(--measure);
  margin: 0 auto;
}
header h1 { margin: 0; font-size: 20px; }
header .sub { flex: 1 1 auto; min-width: 0; }

.nav-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.4px;
  text-decoration: none;
  padding: 5px 11px;
  white-space: nowrap;
}

/* ---- the sheet ----------------------------------------------------- */

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 64px 28px 8px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--ash-2);
  margin-bottom: 26px;
}
.eyebrow .kind {
  color: var(--signal);
  border: 1px solid rgba(0, 217, 95, 0.30);
  background: rgba(0, 217, 95, 0.07);
  border-radius: 3px;
  padding: 3px 8px;
}
.eyebrow .rule {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--edge-lit), transparent);
}

.lede {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(27px, 4.4vw, 36px);
  line-height: 1.22;
  letter-spacing: 0.1px;
  color: var(--pale);
  margin: 0 0 30px;
  text-wrap: balance;
}
.lede em { color: var(--signal); font-style: italic; }

.abstract p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--read);
  margin: 0 0 20px;
}
.abstract p:last-child { margin-bottom: 0; }
.abstract strong { color: var(--pale); font-weight: 600; }
.abstract em { color: var(--pale); }
.abstract .mono { font-size: 0.93em; color: var(--lime); }

/* the byline strip sitting under the lede */
.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3px;
  color: var(--ash-2);
  padding-bottom: 26px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--edge-line);
}
.facts b { color: var(--ash-1); font-weight: 500; }

/* ---- the source block — the point of the page ---------------------- */

.source {
  margin: 44px 0 0;
  padding: 24px 26px;
  background: var(--ink-2);
  border: 1px solid var(--edge-line);
  border-left: 2px solid var(--signal-deep);
  border-radius: 8px;
}
.source h2 {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 14px;
}
.cite {
  font-size: 15px;
  line-height: 1.6;
  color: var(--pale);
  margin: 0 0 6px;
}
.cite .venue { color: var(--ash-1); font-style: italic; }

.ident {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--ash-2);
  margin: 0 0 18px;
}

.links { display: flex; flex-wrap: wrap; gap: 8px; }
.links a {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.3px;
  text-decoration: none;
  color: var(--signal);
  background: rgba(0, 217, 95, 0.06);
  border: 1px solid rgba(0, 217, 95, 0.24);
  border-radius: 5px;
  padding: 7px 13px;
  transition: background 0.16s ease, border-color 0.16s ease,
              color 0.16s ease, box-shadow 0.16s ease;
}
.links a:hover {
  background: rgba(0, 217, 95, 0.13);
  border-color: rgba(0, 217, 95, 0.5);
  color: var(--lime);
  box-shadow: 0 0 20px -7px rgba(0, 217, 95, 0.8);
}
.links a.plain {
  color: var(--ash-1);
  background: var(--ink-4);
  border-color: var(--edge-line);
}
.links a.plain:hover { color: var(--pale); border-color: var(--edge-lit); box-shadow: none; }

.caveat {
  margin: 26px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ash-2);
  border-top: 1px solid var(--edge-line);
  padding-top: 18px;
}
.caveat strong { color: var(--ash-1); font-weight: 600; }

footer { padding: 26px 28px 40px; text-align: center; }

/* ---- arrival ------------------------------------------------------- */

@keyframes sheet-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}
.eyebrow, .lede, .facts, .abstract, .source, .caveat {
  animation: sheet-in 0.6s cubic-bezier(0.2, 0.75, 0.3, 1) backwards;
}
.eyebrow  { animation-delay: 0.02s; }
.lede     { animation-delay: 0.08s; }
.facts    { animation-delay: 0.14s; }
.abstract { animation-delay: 0.20s; }
.source   { animation-delay: 0.28s; }
.caveat   { animation-delay: 0.34s; }

@media (max-width: 560px) {
  main { padding-top: 44px; }
  header { position: static; }
  .source { padding: 20px 18px; }
}