/* ============================================================
   CogniHuman — Inner Pages (Research, Publications, Blog, About)
   ============================================================ */

/* --- Page hero (inner pages) --- */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--sp-16));
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--border-subtle);
}

.page-hero__breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.page-hero__breadcrumb a:hover { color: var(--text-primary); }

/* --- Research page --- */
.research-page .project-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-top: var(--sp-8);
}

.project-row {
  display: grid;
  grid-template-columns: 2fr 3fr auto;
  gap: var(--sp-8);
  align-items: center;
  padding: var(--sp-6) var(--sp-6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  transition: border-color var(--dur-mid) ease, box-shadow var(--dur-mid) ease;
}

.project-row:hover {
  border-color: var(--border-mid);
  box-shadow: var(--shadow-sm);
}

.project-row__name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.project-row__tags {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-top: var(--sp-2);
}

.project-row__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 100%;
}

.project-row__status {
  text-align: right;
}

/* --- Publications / Papers list --- */
.papers-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.paper-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--sp-6);
  align-items: start;
  padding: var(--sp-8) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.paper-item:last-child { border-bottom: none; }

.paper-item__year {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-top: 2px;
}

.paper-item__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}

.paper-item__authors {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-3);
  font-style: italic;
}

.paper-item__venue {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ch-ink-500);
  background: var(--ch-ink-50);
  border: 1px solid var(--ch-ink-200);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: var(--sp-3);
}

.paper-item__abstract {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 100%;
}

.paper-item__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: flex-end;
  flex-shrink: 0;
}

.paper-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ch-ink-600);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--ch-ink-200);
  border-radius: var(--radius-md);
  background: var(--ch-ink-50);
  transition: all var(--dur-fast) ease;
  white-space: nowrap;
}
.paper-link:hover {
  background: var(--ch-ink-100);
  color: var(--ch-ink-800);
}
.paper-link svg { width: 12px; height: 12px; }

/* --- Blog page --- */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
  margin-top: var(--sp-8);
}

.blog-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: center;
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border-subtle);
}

.blog-item:last-child { border-bottom: none; }

.blog-item--featured {
  grid-template-columns: 1fr;
  padding: var(--sp-8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
}

.blog-item__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.blog-item__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.blog-item__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: var(--sp-3);
}

.blog-item--featured .blog-item__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.blog-item__excerpt {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 100%;
}

/* --- About page --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-8);
}

.team-member {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur-mid) ease;
}

.team-member:hover { border-color: var(--border-mid); }

.team-member__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ch-ink-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ch-ink-600);
  border: 2px solid var(--ch-ink-200);
}

.team-member__name {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.team-member__role {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .paper-item {
    grid-template-columns: 60px 1fr;
  }
  .paper-item__links {
    grid-column: 2;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: flex-start;
  }
  .project-row {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
  }
  .project-row__status { text-align: left; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .blog-item { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .paper-item { grid-template-columns: 1fr; }
  .paper-item__year { display: none; }
  .team-grid { grid-template-columns: 1fr 1fr; }
}