/* ==========================================================================
   PUBLICATIONS - SEARCH, FILTERING, BADGES & BIBTEX STYLES
   ========================================================================== */

.pub-controls {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.pub-search-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.pub-search-box {
  flex: 1;
  min-width: 280px;
  position: relative;
}

.pub-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-size: 0.95rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.pub-search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-card);
}

.pub-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.pub-stats-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Filter Groups */
.pub-filter-group {
  margin-top: 1rem;
}

.pub-filter-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.pub-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pub-pill {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pub-pill:hover, .pub-pill.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* Publication List */
.pub-year-heading {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 3rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pub-year-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--accent-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.pub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pub-card:hover {
  border-color: var(--accent-secondary);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.pub-citation-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.pub-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.pub-topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

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

.pub-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pub-btn:hover {
  background: var(--accent-light);
  color: var(--accent-primary);
  border-color: var(--accent-secondary);
}

.pub-btn-primary {
  background: var(--brand-gradient-subtle);
  border-color: var(--accent-secondary);
  color: var(--accent-primary);
}

.pub-btn svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Modal for BibTeX */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 1.5rem;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-box {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.5rem;
}

.modal-code-block {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-primary);
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 300px;
  margin-bottom: 1.5rem;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--text-primary);
  color: var(--text-inverse);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.toast-notice.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 640px) {
  .pub-controls {
    padding: 1rem;
    margin-bottom: 1.75rem;
  }
  .pub-search-row {
    flex-direction: column;
    gap: 0.75rem;
  }
  .pub-search-box {
    min-width: 100%;
  }
  .pub-sort-btn {
    width: 100%;
    justify-content: center;
  }
  .pub-stats-badge {
    width: 100%;
    justify-content: center;
  }
  .pub-card {
    padding: 1rem;
  }
  .pub-year-heading {
    margin-top: 2rem;
    font-size: 1.25rem;
  }
  .pub-meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .pub-badge-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}