/* Publications index page */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pub-page {
  background: var(--hp-cream);
}

/* Hero */
.pub-hero {
  padding-block: calc(var(--header-height) + 2rem) 2.5rem;
  background: linear-gradient(165deg, var(--hp-ink) 0%, #1a2838 55%, var(--hp-ink-2) 100%);
  color: #fff;
}

.pub-hero .blog-breadcrumb a,
.pub-hero .blog-breadcrumb li {
  color: rgba(255, 255, 255, 0.75);
}

.pub-hero .blog-breadcrumb a:hover {
  color: #fff;
}

.pub-hero .blog-breadcrumb li:not(:last-child)::after {
  color: rgba(255, 255, 255, 0.4);
}

.pub-hero__label {
  font-family: var(--hp-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hp-teal);
  margin: 0 0 0.75rem;
}

.pub-hero h1 {
  font-size: clamp(1.875rem, 5vw, 2.75rem);
  line-height: 1.12;
  color: #fff;
  max-width: 20ch;
  margin: 0 0 1rem;
}

.pub-hero__lead {
  font-family: var(--hp-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
  max-width: 40rem;
  margin: 0 0 1.25rem;
}

.pub-hero__stats {
  font-family: var(--hp-sans);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 0.5rem;
}

.pub-hero__stats strong {
  color: #fff;
  font-weight: 600;
}

.pub-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-family: var(--hp-sans);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
}

.pub-hero__scholar {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--hp-teal);
  font-weight: 600;
  text-decoration: none;
}

.pub-hero__scholar:hover {
  color: #fff;
}

/* Intro */
.pub-intro {
  padding-block: 2rem;
  background: #fff;
  border-bottom: 1px solid rgba(7, 11, 16, 0.06);
}

.pub-intro p {
  font-family: var(--hp-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 48rem;
  margin: 0;
}

/* Toolbar */
.pub-toolbar {
  padding-block: 1.5rem 0.5rem;
  position: sticky;
  top: var(--header-height);
  z-index: 10;
  background: var(--hp-cream);
  border-bottom: 1px solid rgba(7, 11, 16, 0.06);
}

.pub-toolbar__inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .pub-toolbar__inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
}

.pub-search {
  flex: 1;
  min-width: 0;
}

@media (min-width: 768px) {
  .pub-search {
    min-width: 14rem;
  }
}

.pub-search input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  font-family: var(--hp-sans);
  font-size: 0.875rem;
  border: 1px solid rgba(7, 11, 16, 0.12);
  border-radius: 0.625rem;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23666' stroke-width='2'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='M11 11l3 3'/%3E%3C/svg%3E") 0.85rem center no-repeat;
  color: var(--hp-ink);
}

.pub-search input:focus {
  outline: 2px solid var(--hp-teal);
  outline-offset: 1px;
  border-color: var(--hp-teal);
}

.pub-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pub-filters select {
  padding: 0.6rem 2rem 0.6rem 0.75rem;
  font-family: var(--hp-sans);
  font-size: 0.8125rem;
  border: 1px solid rgba(7, 11, 16, 0.12);
  border-radius: 0.625rem;
  background: #fff;
  color: var(--hp-ink);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23333'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
}

.pub-count {
  font-family: var(--hp-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-left: auto;
  white-space: nowrap;
}

/* Grid */
.pub-list {
  padding-block: 1.5rem 3rem;
}

.pub-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .pub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pub-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.pub-loading,
.pub-empty {
  grid-column: 1 / -1;
  font-family: var(--hp-sans);
  color: var(--color-text-muted);
  padding: 2rem 0;
}

/* Card */
.pub-card {
  display: flex;
  flex-direction: column;
  padding: 1.15rem 1.25rem;
  background: #fff;
  border-radius: 0.875rem;
  border: 1px solid rgba(7, 11, 16, 0.07);
  box-shadow: 0 4px 18px rgba(7, 11, 16, 0.05);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  min-height: 100%;
}

.pub-card:hover {
  border-color: rgba(45, 125, 125, 0.35);
  box-shadow: 0 14px 40px rgba(7, 11, 16, 0.1);
  transform: translateY(-3px);
}

.pub-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.65rem;
}

.pub-card__topic {
  font-family: var(--hp-sans);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--hp-teal);
  background: var(--hp-teal-dim);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.pub-card__year {
  font-family: var(--hp-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-left: auto;
}

.pub-card__title {
  font-family: var(--hp-serif);
  font-size: 1rem;
  line-height: 1.35;
  color: var(--hp-ink);
  margin: 0 0 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pub-card:hover .pub-card__title {
  color: var(--hp-teal);
}

.pub-card__authors {
  font-family: var(--hp-sans);
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--color-text-muted);
  margin: 0 0 0.35rem;
}

.pub-card__journal {
  font-family: var(--hp-sans);
  font-size: 0.6875rem;
  font-style: italic;
  line-height: 1.4;
  color: rgba(7, 11, 16, 0.5);
  margin: 0 0 0.75rem;
  flex: 1;
}

.pub-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px solid rgba(7, 11, 16, 0.06);
  font-family: var(--hp-sans);
  font-size: 0.6875rem;
  font-weight: 600;
}

.pub-card__cites {
  color: var(--color-text-muted);
  font-weight: 500;
}

.pub-card__cites strong {
  color: var(--hp-teal);
  font-weight: 700;
}

.pub-card__cites--muted {
  color: var(--color-text-muted);
  font-weight: 500;
}

.pub-card__arrow {
  font-size: 0.875rem;
  color: var(--hp-teal);
  transition: transform 0.2s;
}

.pub-card:hover .pub-card__arrow {
  transform: translate(2px, -2px);
}

/* CTA */
.pub-page .pg-cta {
  margin-bottom: 0;
}