/* ============================================================
   publications.css — Scoped under .pub-wrapper
   Matches the HTML reference design exactly.
   All rules are scoped to avoid conflicts with Bootstrap/main.css
   ============================================================ */

/* --- Local CSS Variables (override globals for this page) --- */
.pub-wrapper {
  --pub-blue:        #263c6f;
  --pub-blue-hover:  #1d2e55;
  --pub-blue-light:  #f0f4f8;
  --pub-border:      #e5e7eb;
  --pub-text:        #111827;
  --pub-muted:       #6b7280;
  --pub-bg:          #f9fafb;
  --pub-accent:      #3b82f6;

  background-color: var(--pub-bg);
  width: 100%;
}

/* ============================================================
   SEARCH HEADER SECTION
   ============================================================ */
.pub-wrapper #repo-header {
  width: 100%;
  background-color: #ffffff;
  border-bottom: 1px solid var(--pub-border);
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.pub-wrapper #repo-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--pub-text);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
  line-height: 2.5rem;
}

.pub-wrapper #repo-header p {
  color: var(--pub-muted);
  font-size: 1.125rem;
  margin: 0;
}

/* Search bar */
.pub-wrapper .pub-search-bar {
  position: relative;
  width: 100%;
  border-radius: 0.75rem;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}

.pub-wrapper .pub-search-bar input {
  display: block;
  width: 100%;
  padding: 1rem 8rem 1rem 3rem;
  border: 1px solid var(--pub-border);
  border-radius: 0.75rem;
  font-size: 1.125rem;
  color: var(--pub-text);
  background-color: #ffffff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.pub-wrapper .pub-search-bar input::placeholder {
  color: var(--pub-muted);
}

.pub-wrapper .pub-search-bar input:focus {
  border-color: var(--pub-blue);
  box-shadow: 0 0 0 2px rgba(38, 60, 111, 0.15);
}

.pub-wrapper .pub-search-bar .pub-search-icon {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--pub-muted);
  font-size: 1.125rem;
  pointer-events: none;
}

.pub-wrapper .pub-search-bar .pub-search-btn-wrap {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.pub-wrapper .pub-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--pub-blue);
  color: #ffffff;
  border: 1px solid var(--pub-blue);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.pub-wrapper .pub-btn-primary:hover {
  background-color: var(--pub-blue-hover);
  color: #ffffff;
}

.pub-wrapper .pub-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: #ffffff;
  color: var(--pub-text);
  border: 1px solid var(--pub-border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}

.pub-wrapper .pub-btn-outline:hover {
  border-color: var(--pub-blue);
  color: var(--pub-blue);
}

/* ============================================================
   MAIN CONTENT LAYOUT
   ============================================================ */
.pub-wrapper #repo-content {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.pub-wrapper .pub-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .pub-wrapper .pub-layout {
    flex-direction: row;
  }
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.pub-wrapper .pub-sidebar {
  width: 100%;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .pub-wrapper .pub-sidebar {
    width: 20rem; /* 320px */
    min-width: 20rem;
    max-width: 20rem;
  }
}

.pub-wrapper .pub-sidebar-inner {
  background-color: #ffffff;
  border-radius: 0.75rem;
  border: 1px solid var(--pub-border);
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
  padding: 1.25rem;
  position: sticky;
  top: 7rem; /* below fixed header */
  height: fit-content;
}

.pub-wrapper .pub-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--pub-border);
}

.pub-wrapper .pub-sidebar-header h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--pub-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.pub-wrapper .pub-sidebar-header h2 i {
  color: var(--pub-blue);
}

.pub-wrapper .pub-sidebar-header .pub-clear-btn {
  font-size: 0.875rem;
  color: var(--pub-accent);
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
}

.pub-wrapper .pub-sidebar-header .pub-clear-btn:hover {
  text-decoration: underline;
}

/* Accordion */
.pub-wrapper .pub-accordion {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pub-wrapper .pub-accordion-item {
  /* no extra styles needed */
}

.pub-wrapper .pub-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--pub-text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-bottom: 0.75rem;
}

.pub-wrapper .pub-accordion-trigger i {
  font-size: 0.75rem;
  color: var(--pub-muted);
  transition: transform 0.3s ease;
}

.pub-wrapper .pub-accordion-trigger.open i {
  transform: rotate(180deg);
}

.pub-wrapper .pub-accordion-body {
  overflow: hidden;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
  max-height: 0;
  opacity: 0;
}

.pub-wrapper .pub-accordion-body.open {
  max-height: 600px;
  opacity: 1;
}

.pub-wrapper .pub-accordion-body .pub-filter-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
}

/* Filter checkbox labels */
.pub-wrapper .pub-filter-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.pub-wrapper .pub-filter-label span {
  font-size: 0.875rem;
  color: var(--pub-text);
  transition: color 0.15s;
}

.pub-wrapper .pub-filter-label:hover span {
  color: var(--pub-blue);
}

/* Custom checkbox */
.pub-wrapper .pub-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 1.15em;
  height: 1.15em;
  border: 1px solid var(--pub-border);
  border-radius: 0.25em;
  background-color: #ffffff;
  display: grid;
  place-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color 0.15s, border-color 0.15s;
}

.pub-wrapper .pub-checkbox::before {
  content: "";
  width: 0.65em;
  height: 0.65em;
  transform: scale(0);
  transition: transform 120ms ease-in-out;
  background-color: #ffffff;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.pub-wrapper .pub-checkbox:checked {
  background-color: var(--pub-blue);
  border-color: var(--pub-blue);
}

.pub-wrapper .pub-checkbox:checked::before {
  transform: scale(1);
}

/* Year range inputs */
.pub-wrapper .pub-year-range {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.5rem;
}

.pub-wrapper .pub-year-range input {
  width: 50%;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--pub-border);
  border-radius: 0.25rem;
  font-size: 0.875rem;
  color: var(--pub-text);
  background-color: #ffffff;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.pub-wrapper .pub-year-range input:focus {
  border-color: var(--pub-blue);
}

/* ============================================================
   RESULTS AREA
   ============================================================ */
.pub-wrapper .pub-results {
  flex: 1;
  min-width: 0;
}

/* Results toolbar */
.pub-wrapper .pub-results-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  background-color: #ffffff;
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--pub-border);
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .pub-wrapper .pub-results-toolbar {
    flex-direction: row;
    justify-content: space-between;
  }
}

.pub-wrapper .pub-results-count {
  font-size: 0.875rem;
  color: var(--pub-text);
}

.pub-wrapper .pub-results-count strong {
  font-weight: 700;
}

.pub-wrapper .pub-sort-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pub-wrapper .pub-sort-wrap label {
  font-size: 0.875rem;
  color: var(--pub-muted);
  white-space: nowrap;
}

.pub-wrapper .pub-sort-select {
  border: 1px solid var(--pub-border);
  border-radius: 0.5rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  color: var(--pub-text);
  background-color: #ffffff;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  min-width: 140px;
}

.pub-wrapper .pub-sort-select:focus,
.pub-wrapper .pub-sort-select:hover {
  border-color: var(--pub-blue);
}

/* Sort dropdown (custom React dropdown) */
.pub-wrapper .pub-sort-dropdown {
  position: relative;
}

.pub-wrapper .pub-sort-dropdown-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--pub-border);
  border-radius: 0.5rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  background-color: #ffffff;
  color: var(--pub-text);
  cursor: pointer;
  min-width: 140px;
  transition: border-color 0.2s;
  outline: none;
}

.pub-wrapper .pub-sort-dropdown-btn:hover,
.pub-wrapper .pub-sort-dropdown-btn.open {
  border-color: var(--pub-blue);
}

.pub-wrapper .pub-sort-dropdown-btn i {
  font-size: 0.625rem;
  color: var(--pub-muted);
  transition: transform 0.3s;
}

.pub-wrapper .pub-sort-dropdown-btn.open i {
  transform: rotate(180deg);
}

.pub-wrapper .pub-sort-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  width: 100%;
  background-color: #ffffff;
  border: 1px solid var(--pub-border);
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  z-index: 50;
  overflow: hidden;
  padding: 0.25rem 0;
}

.pub-wrapper .pub-sort-dropdown-option {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.15s;
  color: var(--pub-text);
}

.pub-wrapper .pub-sort-dropdown-option:hover {
  background-color: #f9fafb;
}

.pub-wrapper .pub-sort-dropdown-option.selected {
  background-color: var(--pub-blue-light);
  color: var(--pub-blue);
  font-weight: 600;
}

/* ============================================================
   PUBLICATION CARD
   ============================================================ */
.pub-wrapper .pub-card-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pub-wrapper .pub-card {
  background-color: #ffffff;
  border-radius: 0.75rem;
  border: 1px solid var(--pub-border);
  padding: 1.5rem;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  cursor: default;
}

.pub-wrapper .pub-card:hover {
  border-color: var(--pub-blue);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
}

/* Card top row: title + badges */
.pub-wrapper .pub-card-top {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .pub-wrapper .pub-card-top {
    flex-direction: row;
    justify-content: space-between;
  }
}

.pub-wrapper .pub-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pub-text);
  line-height: 1.4;
  margin: 0;
  transition: color 0.2s;
}

.pub-wrapper .pub-card:hover .pub-card-title {
  color: var(--pub-blue);
}

.pub-wrapper .pub-card-title a {
  color: inherit;
  text-decoration: none;
}

.pub-wrapper .pub-card-title a:hover {
  color: var(--pub-blue);
}

/* Badges */
.pub-wrapper .pub-badges {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.pub-wrapper .pub-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}

.pub-wrapper .pub-badge-open {
  background-color: #f0fdf4;
  color: #15803d;
  border-color: #bbf7d0;
}

.pub-wrapper .pub-badge-peer {
  background-color: var(--pub-blue-light);
  color: var(--pub-blue);
  border-color: rgba(38, 60, 111, 0.2);
}

.pub-wrapper .pub-badge-institutional {
  background-color: #fefce8;
  color: #a16207;
  border-color: #fde68a;
}

.pub-wrapper .pub-badge-request {
  background-color: #eff6ff;
  color: #1d4ed8;
  border-color: #bfdbfe;
}

/* Card meta row */
.pub-wrapper .pub-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
  font-size: 0.875rem;
  color: var(--pub-muted);
  margin-bottom: 1rem;
}

.pub-wrapper .pub-card-meta .pub-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pub-wrapper .pub-card-meta .pub-meta-item strong {
  color: var(--pub-text);
  font-weight: 500;
}

/* Card abstract */
.pub-wrapper .pub-card-abstract {
  font-size: 0.875rem;
  color: var(--pub-muted);
  line-height: 1.625;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Keywords */
.pub-wrapper .pub-keywords {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.pub-wrapper .pub-keywords-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--pub-muted);
}

.pub-wrapper .pub-keyword-tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background-color: #f3f4f6;
  color: #4b5563;
  border-radius: 0.25rem;
  font-size: 0.75rem;
}

/* Card actions */
.pub-wrapper .pub-card-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--pub-border);
  flex-wrap: wrap;
}

.pub-wrapper .pub-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
  text-decoration: none;
}

.pub-wrapper .pub-action-btn-primary {
  color: var(--pub-blue);
}

.pub-wrapper .pub-action-btn-primary:hover {
  color: var(--pub-blue-hover);
}

.pub-wrapper .pub-action-btn-secondary {
  color: var(--pub-muted);
  margin-left: 1rem;
}

.pub-wrapper .pub-action-btn-secondary:hover {
  color: var(--pub-text);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pub-wrapper .pub-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--pub-border);
  padding-top: 1.5rem;
  margin-top: 2rem;
  gap: 1rem;
}

.pub-wrapper .pub-page-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--pub-border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  background-color: #ffffff;
  color: var(--pub-text);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.pub-wrapper .pub-page-btn:hover:not(:disabled) {
  border-color: var(--pub-blue);
  color: var(--pub-blue);
}

.pub-wrapper .pub-page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: #f9fafb;
}

.pub-wrapper .pub-page-numbers {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .pub-wrapper .pub-page-numbers {
    display: flex;
  }
}

.pub-wrapper .pub-page-num {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  background-color: #ffffff;
  color: var(--pub-text);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.pub-wrapper .pub-page-num:hover {
  background-color: #f3f4f6;
}

.pub-wrapper .pub-page-num.active {
  background-color: var(--pub-blue);
  color: #ffffff;
  cursor: default;
}

.pub-wrapper .pub-page-ellipsis {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pub-muted);
  font-size: 0.875rem;
}