/* ==========================================================================
   LLaDA-UI project page — components.css
   Section content blocks: highlight cards, architecture cards, training
   stages, figures, prompt/action-space code, analysis tiles, callouts,
   limitations, BibTeX card.
   ========================================================================== */

/* Highlight cards */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 780px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(62, 108, 196, 0.5);
  box-shadow: var(--shadow-soft);
}
.card .icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--tint);
  color: var(--indigo-bright);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.card .icon svg { width: 22px; height: 22px; }
.card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card p strong { color: var(--ink); font-weight: 600; }

/* Architecture component cards — three parts of the model */
.arch-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 26px;
}
@media (max-width: 860px) { .arch-cards { grid-template-columns: 1fr; } }

.arch-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.arch-card .arch-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #b0532f;
  background: var(--mask-soft);
  border-radius: 6px;
  padding: 3px 9px;
}
.arch-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17.5px;
  margin: 12px 0 8px;
}
.arch-card p { margin: 0; font-size: 14.5px; color: var(--muted); }
.arch-card .arch-spec {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--indigo);
}

/* Training stage cards — S0/S1/S2 curriculum is a real sequence */
.stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
@media (max-width: 860px) { .stages { grid-template-columns: 1fr; } }

.stage {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--indigo-bright);
  border-radius: 14px;
  padding: 22px;
}
.stage .stage-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--indigo-bright);
}
.stage h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17.5px;
  margin: 8px 0 8px;
}
.stage p { margin: 0; font-size: 14.5px; color: var(--muted); }
.stage .stage-facts {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--indigo);
}
.stage .stage-facts li { margin-top: 3px; }

/* A wider stage card used for the SFT block */
.stage.wide { border-top-color: var(--mask); }
.stage.wide .stage-no { color: #b0532f; }

/* Objective / trick list */
.tricks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 16px;
  margin-top: 26px;
}
@media (max-width: 780px) { .tricks { grid-template-columns: 1fr; } }
.trick {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 14px;
  color: var(--muted);
}
.trick b {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 3px;
}

/* Figures */
.figure {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  margin: 26px 0;
}
.figure img { border-radius: 8px; margin-inline: auto; }
.figure figcaption {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 12px;
  padding-inline: 6px;
}
.figure figcaption strong { color: var(--ink); }

/* Action-space / prompt code block */
.code-block {
  background: var(--code-bg);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 26px 0;
}
.code-block .code-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(219, 228, 247, 0.14);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8fa4cf;
}
.code-block pre {
  margin: 0;
  padding: 20px 22px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: var(--code-ink);
}
.code-block .tk { color: #f2a48d; }
.code-block .tv { color: #9fc1f5; }
.code-block .tc { color: #7d92bd; }

/* Analysis stat tiles */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 22px 0 6px;
}
.tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 12px 12px;
  text-align: center;
}
.tile .t-val {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  color: var(--indigo);
}
.tile .t-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-top: 3px;
}
.tile .t-sub { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.tile.warm .t-val { color: #c05a39; }

/* Split layout: chart + big-number callout (efficiency section) */
.split-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 860px) { .split-grid { grid-template-columns: 1fr; } }

.callout {
  background: linear-gradient(160deg, var(--indigo), var(--indigo-bright));
  color: #e8effc;
  border-radius: var(--radius);
  padding: 30px 28px;
}
.callout .big {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 54px;
  line-height: 1;
  color: #fff;
}
.callout .big small { font-size: 22px; font-weight: 600; }
.callout .cap {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
}
.callout p { font-size: 14.5px; margin: 12px 0 0; opacity: 0.94; }

/* Limitations — the report is candid; the page is too. */
.limits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 860px) { .limits { grid-template-columns: 1fr; } }
.limit {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mask);
  border-radius: 12px;
  padding: 20px;
  font-size: 14.5px;
  color: var(--muted);
}
.limit b {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15.5px;
  color: var(--ink);
  margin-bottom: 5px;
}

/* --------------------------------------------------------------------------
   BibTeX
   -------------------------------------------------------------------------- */

.bibtex-card {
  position: relative;
  background: var(--code-bg);
  border-radius: var(--radius);
  overflow: hidden;
}
.bibtex-card pre {
  margin: 0;
  padding: 26px 28px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--code-ink);
}
.copy-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--code-ink);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.copy-btn:hover { background: rgba(255, 255, 255, 0.16); }