/* ============================================================
   DATA VOYAGE — COMPONENTS.CSS
   Research Cards · Viz Cards · News · Profiles · Forms · Admin · Charts
   ============================================================ */

/* ════════════════════════════════
   RESEARCH CARDS
════════════════════════════════ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

body[data-density="compact"] .cards-grid,
body[data-density="compact"] .repo-grid,
body[data-density="compact"] .profiles-grid,
body[data-density="compact"] .news-page-list {
  gap: 16px;
}

body[data-density="compact"] .repo-grid,
body[data-density="compact"] .profiles-grid,
body[data-density="compact"] .dash-grid {
  padding: 20px 24px;
}

body[data-density="compact"] .card-body {
  padding: 18px 18px 18px;
}

body[data-density="compact"] .form-card {
  padding: 26px 22px;
}

.research-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.skeleton-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  overflow: hidden;
  position: relative;
}

.skeleton-header {
  height: 160px;
  background: linear-gradient(120deg, var(--gray-100), var(--gray-50), var(--gray-100));
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s linear infinite;
}

.skeleton-body {
  padding: 18px 20px 20px;
}

.skeleton-line {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gray-100), var(--gray-50), var(--gray-100));
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s linear infinite;
  margin-bottom: 10px;
}

.skeleton-line.sm {
  width: 40%;
}

.skeleton-line.md {
  width: 70%;
}

.skeleton-line.lg {
  width: 90%;
}

@keyframes skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.card-img {
  height: 180px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #3d35fb 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-img svg {
  opacity: 0.3;
  transition: opacity 0.3s ease, transform 0.4s var(--ease-spring);
}

.research-card:hover .card-img svg {
  opacity: 0.5;
  transform: scale(1.08);
}

.card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0, 0, 0, 0.35));
  pointer-events: none;
}

.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.card-body {
  padding: 22px 24px 24px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.card-author-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.card-author {
  font-size: 0.8rem;
  color: var(--gray-400);
  font-weight: 500;
}

.card-date {
  font-size: 0.75rem;
  color: var(--gray-200);
  margin-left: auto;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.35;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.card-excerpt {
  font-size: 0.86rem;
  color: var(--gray-400);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
}

.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.card-action {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s ease, transform 0.25s var(--ease-spring), color 0.2s ease;
}

.card-action:hover {
  background: var(--primary);
  color: white;
  transform: translateX(3px);
}

/* ════════════════════════════════
   VIZ / DASHBOARD PREVIEW CARDS
════════════════════════════════ */
.viz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.viz-card {
  background: var(--dark2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.viz-preview {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.viz-info {
  padding: 20px 22px 24px;
}

.viz-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.viz-desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.42);
  line-height: 1.55;
}

.viz-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.22);
  color: var(--accent);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 0.7rem;
  font-weight: 600;
  margin-top: 12px;
}

/* ════════════════════════════════
   NEWS CARDS
════════════════════════════════ */
.news-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 24px;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.news-img {
  background: linear-gradient(135deg, #0600c0 0%, #0901FA 60%, #3d35fb 100%);
  position: relative;
  overflow: hidden;
}

.news-card:first-child .news-img {
  height: 260px;
}

.news-card:not(:first-child) .news-img {
  height: 160px;
}

.news-img svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: transform 0.5s var(--ease-out);
}

.news-card:hover .news-img svg {
  transform: scale(1.06);
}

.news-body {
  padding: 20px 22px 24px;
}

.news-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--primary);
  margin-bottom: 8px;
}

.news-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.35;
  margin-bottom: 8px;
}

.news-card:first-child .news-title {
  font-size: 1.25rem;
}

.news-excerpt {
  font-size: 0.83rem;
  color: var(--gray-400);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-date {
  font-size: 0.75rem;
  color: var(--gray-200);
  margin-top: 12px;
}

/* ════════════════════════════════
   DASHBOARD PAGE CARDS
════════════════════════════════ */
.dash-grid {
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.dash-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.dash-card.large {
  grid-column: 1 / -1;
}

.dash-chart-area {
  background: var(--dark);
  height: 260px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dash-card.large .dash-chart-area {
  height: 340px;
}

.dash-info {
  padding: 24px 26px 26px;
}

.dash-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.dash-desc {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 16px;
}

.dash-stats {
  display: flex;
  gap: 28px;
}

.dash-stat-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.dash-stat-lbl {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* ════════════════════════════════
   RESEARCHER PROFILE CARDS
════════════════════════════════ */
.profiles-grid {
  padding: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
  transition: all 0.3s ease;
}

/* LIST VIEW */
.profiles-grid.list-view {
  grid-template-columns: 1fr;
  max-width: 1000px;
  margin: 0 auto;
  gap: 16px;
}

.profiles-grid.list-view .profile-card {
  display: flex;
  align-items: center;
  text-align: left;
  padding: 20px 32px;
  gap: 24px;
}

.profiles-grid.list-view .profile-avatar {
  width: 64px;
  height: 64px;
  margin: 0;
  flex-shrink: 0;
}

.profiles-grid.list-view .profile-name {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

.profiles-grid.list-view .profile-stats {
  margin-left: auto;
  border-top: none;
  padding-top: 0;
  gap: 24px;
}

.profiles-grid.list-view .profile-bio {
  display: none; /* Hide bio in list view for compactness */
}

.profile-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  cursor: pointer;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
  margin: 0 auto 18px;
  position: relative;
}

.profile-avatar::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  opacity: 0.25;
}

.profile-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.profile-role {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.profile-bio {
  font-size: 0.83rem;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.profile-stats {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--gray-100);
}

.pstat-val {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--gray-800);
}

.pstat-lbl {
  font-size: 0.68rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* ════════════════════════════════
   REPO CONTROLS + FILTER PANEL
════════════════════════════════ */

/* ── Top controls bar ── */
.repo-controls-bar {
  background: var(--white);
  padding: 16px 48px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  position: sticky;
  top: var(--nav-h);
  z-index: 60;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.repo-filter-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 9px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s var(--ease-out);
}

.repo-filter-toggle:hover {
  background: var(--primary-pale);
  color: var(--primary);
  border-color: rgba(11, 59, 143, 0.2);
}

.repo-filter-toggle.active,
.repo-filter-toggle.has-filters {
  background: var(--primary-pale);
  color: var(--primary);
  border-color: rgba(11, 59, 143, 0.3);
}

.repo-filter-toggle.has-filters {
  box-shadow: 0 0 0 2px rgba(11, 59, 143, 0.15);
}

.filter-badge {
  background: var(--primary);
  color: white;
  font-size: 0.65rem;
  font-weight: 800;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.repo-results-count {
  font-size: 0.82rem;
  color: var(--gray-400);
  font-weight: 500;
  margin-left: auto;
}

/* ── Filter panel ── */
.repo-filter-panel {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), box-shadow 0.3s ease;
}

.repo-filter-panel.open {
  max-height: 600px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.filter-panel-inner {
  padding: 28px 48px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.fp-section {
  flex: 1 1 100%;
  padding: 12px 0;
}

.fp-section.fp-advanced {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.fp-section-title {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 12px;
}

.fp-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.fp-divider {
  flex: 1 1 100%;
  height: 1px;
  background: var(--gray-100);
  margin: 4px 0;
}

/* ── Sort buttons ── */
.fp-sort-grid {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sort-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 9px;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.18s var(--ease-out);
}

.sort-btn:hover {
  background: var(--primary-pale);
  color: var(--primary);
  border-color: rgba(11, 59, 143, 0.2);
}

.sort-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 3px 10px rgba(11, 59, 143, 0.25);
}

/* ── Advanced filter fields ── */
.fp-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
  flex: 1 1 180px;
}

.fp-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: 6px;
}

.fp-select {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 9px;
  padding: 9px 12px;
  font-size: 0.85rem;
  color: var(--gray-800);
  font-family: var(--font-body);
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.fp-select:focus {
  border-color: var(--primary);
}

/* ── Range slider ── */
.fp-range-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fp-range {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--primary) 0%, var(--primary) var(--val, 0%), var(--gray-200) var(--val, 0%), var(--gray-200) 100%);
  outline: none;
  cursor: pointer;
}

.fp-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 2px 6px rgba(11, 59, 143, 0.3);
  cursor: pointer;
}

.fp-range-val {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 32px;
  text-align: right;
}

/* ── Toggle switch ── */
.fp-toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
}

.fp-toggle-wrap {
  position: relative;
  margin-left: auto;
}

.fp-toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.fp-toggle {
  display: block;
  width: 42px;
  height: 24px;
  background: var(--gray-200);
  border-radius: 12px;
  position: relative;
  transition: background 0.2s;
  cursor: pointer;
}

.fp-toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s var(--ease-spring);
}

.fp-toggle-input:checked+.fp-toggle {
  background: var(--primary);
}

.fp-toggle-input:checked+.fp-toggle::after {
  transform: translateX(18px);
}

/* ── Panel actions row ── */
.fp-actions {
  flex: 1 1 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 8px;
}

/* ── Old filter-chips (reused inside panel) ── */
.filter-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.fp-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-chip {
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
  transition: all 0.15s;
}

.filter-chip.active,
.filter-chip:hover {
  background: var(--primary-pale);
  color: var(--primary);
  border-color: rgba(11, 59, 143, 0.18);
}


.repo-content-header {
  position: sticky;
  top: 0;
  background: var(--white);
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-100);
  z-index: 50;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 12px;
  color: var(--gray-400);
  font-size: 1rem;
  pointer-events: none;
  display: flex;
}

.filter-search {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 10px 36px 10px 36px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--gray-800);
  outline: none;
  width: 100%;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.filter-search::placeholder {
  color: var(--gray-400);
}

.filter-search:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(11, 59, 143, 0.08);
}

.search-clear {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

.search-clear:hover {
  color: var(--primary);
}


/* ── REPO / DIRECTORY FILTERS ── */
.repo-filters {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 32px 48px;
  background: white;
  border-bottom: 1px solid var(--gray-100);
  position: sticky;
  top: 70px; /* Hardcoded Navbar Height */
  z-index: 100;
  gap: 24px;
  flex-wrap: wrap;
}

.filters-left {
  display: flex;
  gap: 20px;
  flex: 1;
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filter-label {
  font-size: 0.7rem;
  font-weight: 800;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.search-input-wrap {
  position: relative;
  width: 280px;
}

.search-input-wrap .iconify {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  font-size: 1.1rem;
  pointer-events: none;
}

.search-input-wrap .filter-search {
  padding-left: 42px;
}

/* Layout Toggles */
.layout-toggles {
  display: flex;
  background: #f1f5f9;
  padding: 4px;
  border-radius: 12px;
  gap: 4px;
  height: 44px;
  align-items: center;
}

.layout-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.layout-btn .iconify {
  font-size: 1.25rem;
}

.layout-btn:hover {
  background: rgba(255,255,255,0.5);
  color: var(--primary);
}

.layout-btn.active {
  background: white;
  color: var(--primary);
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
}

/* ════════════════════════════════
   REPO SIDEBAR LAYOUT
════════════════════════════════ */

.repo-layout {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

/* ── Left Sidebar ── */
.repo-sidebar {
  width: 270px;
  min-width: 270px;
  background: var(--off-white);
  border-right: 1px solid var(--gray-100);
  padding: 24px 20px 40px;
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-200) transparent;
}

.repo-sidebar::-webkit-scrollbar {
  width: 4px;
}

.repo-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.repo-sidebar::-webkit-scrollbar-thumb {
  background: var(--gray-200);
  border-radius: 2px;
}

.sidebar-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.sidebar-filter-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--gray-800);
  letter-spacing: -0.01em;
}

.sidebar-reset-btn {
  background: none;
  border: none;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s;
}

.sidebar-reset-btn:hover {
  background: var(--primary-pale);
}

/* Domain chips stacked vertically */
.fp-chips-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fp-chips-col .filter-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 0.83rem;
  width: 100%;
  text-align: left;
  transition: all 0.15s var(--ease-out);
}

.fp-chips-col .filter-chip.active {
  background: var(--primary-pale);
  color: var(--primary);
  border-color: var(--primary-pale);
  font-weight: 700;
}

/* Sort buttons stacked vertically */
.fp-sort-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sort-btn-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  background: none;
  border: none;
  border-radius: 9px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: all 0.15s var(--ease-out);
}

.sort-btn-row:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.sort-btn-row.active {
  background: var(--primary-pale);
  color: var(--primary);
  font-weight: 700;
  border-left: 3px solid var(--primary);
  padding-left: 9px;
}

/* ── Right content area ── */
.repo-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.repo-search-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 32px;
  background: white;
  border-bottom: 1px solid var(--gray-100);
  position: sticky;
  top: 70px; /* Hardcoded Navbar Height */
  z-index: 50;
}

.repo-results-count {
  font-size: 0.82rem;
  color: var(--gray-400);
  font-weight: 500;
  white-space: nowrap;
}

.repo-grid {
  padding: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
  transition: all 0.3s ease;
}

/* REPO LIST VIEW */
.repo-grid.list-view {
  grid-template-columns: 1fr;
  max-width: 1200px;
  margin: 0 auto;
  gap: 16px;
}

.repo-grid.list-view .research-card {
  display: flex;
  height: 160px;
  text-align: left;
}

.repo-grid.list-view .card-img {
  width: 240px;
  height: 100%;
  flex-shrink: 0;
}

.repo-grid.list-view .card-body {
  padding: 20px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.repo-grid.list-view .card-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.repo-grid.list-view .card-footer {
  margin-top: 12px;
  padding-top: 12px;
}

/* Responsive: collapse sidebar below 900px */
@media (max-width: 900px) {
  .repo-layout {
    flex-direction: column;
  }

  .repo-sidebar {
    width: 100%;
    min-width: 0;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--gray-100);
    padding: 16px 24px;
  }

  .fp-chips-col {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .fp-sort-col {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .sort-btn-row {
    width: auto;
    border-left: none !important;
    padding-left: 12px !important;
  }

  .repo-grid {
    padding: 24px 16px;
  }

  .repo-search-bar {
    padding: 12px 16px;
  }
}


/* ════════════════════════════════
   UPLOAD / FORM
════════════════════════════════ */
.upload-form-wrap {
  padding: 48px;
  max-width: 860px;
  margin: 0 auto;
}

.form-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 20px;
}

.form-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-card-title .icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-row.full {
  grid-template-columns: 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-600);
  letter-spacing: 0.01em;
}

.form-input,
.form-select,
.form-textarea {
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: 9px;
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--gray-800);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(9, 1, 250, 0.08);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%238892b0' d='M5 7l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
  cursor: pointer;
}

.dropzone {
  border: 2px dashed var(--gray-200);
  border-radius: 12px;
  padding: 44px 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dropzone.has-file {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.04);
}

.dropzone:hover {
  border-color: var(--primary);
  background: var(--gray-100);
}

.dropzone-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  opacity: 0.4;
  transition: all 0.3s var(--ease-spring);
}

.dropzone.has-file .dropzone-icon {
  transform: scale(1.1);
}

.dropzone h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.dropzone p {
  font-size: 0.82rem;
  color: var(--gray-400);
}

.submit-row {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}

/* ════════════════════════════════
   ADMIN LAYOUT
════════════════════════════════ */
.admin-layout {
  display: flex;
  min-height: calc(100vh - var(--nav-h));
}

.admin-sidebar {
  width: 256px;
  flex-shrink: 0;
  background: var(--dark);
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  padding: 28px 0;
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}

.sidebar-section {
  padding: 0 14px;
  margin-bottom: 28px;
}

.sidebar-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: rgba(255, 255, 255, 0.27);
  padding: 0 12px;
  margin-bottom: 8px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 9px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #ffffff;
}

.sidebar-item.active {
  background: rgba(79, 134, 247, 0.28);
  color: #ffffff;
}

.sidebar-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.sidebar-badge {
  margin-left: auto;
  background: var(--primary);
  color: white;
  border-radius: 10px;
  padding: 2px 8px;
  font-size: 0.68rem;
  font-weight: 700;
}

.admin-main {
  flex: 1;
  background: var(--off-white);
  padding: 40px;
  overflow-y: auto;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.admin-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gray-800);
  letter-spacing: -0.025em;
}

.admin-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.admin-kpi {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s ease;
}

.admin-kpi:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.kpi-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.kpi-val {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-800);
  letter-spacing: -0.03em;
}

.kpi-label {
  font-size: 0.76rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 4px;
}

.kpi-change {
  font-size: 0.76rem;
  font-weight: 600;
  margin-top: 6px;
}

.kpi-up {
  color: #10b981;
}

.kpi-down {
  color: #ef4444;
}

/* ── LEADERBOARD ─────────────────────────────────── */
.leaderboard-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 12px;
  max-width: 1000px;
  margin: -12px auto 0;
}

.leaderboard-table th {
  text-align: left;
  padding: 12px 28px;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.leaderboard-table tr {
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.leaderboard-table tbody tr:hover {
  transform: translateY(-2px);
}

.leaderboard-table td {
  padding: 18px 28px;
  background: white;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

.leaderboard-table td:first-child {
  border-left: 1px solid var(--gray-100);
  border-radius: 16px 0 0 16px;
  width: 100px;
  text-align: center;
}

.leaderboard-table td:last-child {
  border-right: 1px solid var(--gray-100);
  border-radius: 0 16px 16px 0;
}

/* Rank specific styling */
.leaderboard-table tr.rank-1 td {
  border-color: rgba(9, 1, 250, 0.15);
  background: linear-gradient(90deg, white, rgba(9, 1, 250, 0.03));
}
.leaderboard-table tr.rank-2 td {
  border-color: rgba(0, 212, 255, 0.15);
  background: linear-gradient(90deg, white, rgba(0, 212, 255, 0.03));
}
.leaderboard-table tr.rank-3 td {
  border-color: rgba(124, 58, 237, 0.15);
  background: linear-gradient(90deg, white, rgba(124, 58, 237, 0.03));
}

.lb-rank {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gray-400);
}

.lb-rank.top-3 {
  font-size: 1.6rem;
}

.lb-user-cell {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lb-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
  overflow: hidden;
}

.lb-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lb-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 2px;
}

.lb-dept {
  font-size: 0.8rem;
  color: var(--gray-400);
}

.lb-rep {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.lb-contribution {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 8px;
}

.lb-contribution .iconify {
  color: var(--accent);
  font-size: 1.2rem;
}

/* ── TABLES ── */
.admin-table-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}

.table-header {
  padding: 20px 26px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.table-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  padding: 11px 26px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray-400);
  background: var(--off-white);
}

td {
  padding: 14px 26px;
  font-size: 0.875rem;
  color: var(--gray-600);
  border-top: 1px solid var(--gray-100);
}

tbody tr:hover td {
  background: var(--primary-pale);
}

.status-badge {
  display: inline-block;
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 0.7rem;
  font-weight: 700;
}

.status-approved {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

.status-pending {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
}

.status-review {
  background: rgba(9, 1, 250, 0.08);
  color: var(--primary);
}

.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  font-size: 0.85rem;
  padding: 5px 8px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s, transform 0.2s var(--ease-spring);
}

.action-btn:hover {
  color: var(--primary);
  background: var(--primary-pale);
  transform: scale(1.15);
}

/* ════════════════════════════════
   PAPER / NEWS DETAIL MODALS
════════════════════════════════ */
.paper-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 6px 4px 18px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 18px;
}

.paper-detail-domain {
  display: inline-block;
  background: var(--primary-pale);
  color: var(--primary);
  border: 1px solid rgba(11, 59, 143, 0.14);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  width: fit-content;
}

.paper-detail-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--gray-800);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-top: 10px;
}

.paper-detail-meta {
  margin-top: 10px;
  color: var(--gray-400);
  font-size: 0.86rem;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.paper-detail-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  align-items: center;
}

.paper-detail-section {
  padding: 0 4px;
  margin-bottom: 18px;
}

.paper-detail-section-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 10px;
}

.paper-detail-text {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--gray-600);
}

.paper-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.paper-detail-cite {
  background: var(--off-white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.paper-detail-cite-text {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--gray-600);
}

.paper-files {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.paper-file {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s ease;
}

.paper-file:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.news-detail-head {
  padding: 6px 4px 14px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 18px;
}

.news-detail-cat {
  display: inline-block;
  background: var(--primary-pale);
  color: var(--primary);
  border: 1px solid rgba(11, 59, 143, 0.14);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  width: fit-content;
}

.news-detail-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--gray-800);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-top: 10px;
}

.news-detail-meta {
  margin-top: 10px;
  color: var(--gray-400);
  font-size: 0.86rem;
}

.news-detail-body {
  padding: 0 4px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--gray-600);
}

/* ════════════════════════════════
   FEATURED ARTICLE (News page)
════════════════════════════════ */
.news-page-featured {
  padding: 48px 48px 0;
}

.news-page-list {
  padding: 32px 48px 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-100);
  margin-bottom: 40px;
  cursor: pointer;
  transition: box-shadow 0.3s ease, transform 0.3s var(--ease-spring);
}

.featured-article:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.featured-img {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--accent2) 100%);
  min-height: 400px;
  position: relative;
  overflow: hidden;
}

.featured-img svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.18;
  transition: transform 0.6s var(--ease-out);
}

.featured-article:hover .featured-img svg {
  transform: scale(1.06);
}

.featured-content {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  width: fit-content;
}

.featured-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gray-800);
  line-height: 1.22;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.featured-excerpt {
  font-size: 1rem;
  color: var(--gray-400);
  line-height: 1.72;
  margin-bottom: 24px;
}

.featured-byline {
  font-size: 0.82rem;
  color: var(--gray-200);
}

/* ════════════════════════════════
   PAGE SECTION HEADERS (dark bg)
════════════════════════════════ */
.page-hero-header {
  background: var(--dark);
  padding: 80px 48px 64px;
  position: relative;
  overflow: hidden;
}

.page-hero-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 100% 50%, rgba(9, 1, 250, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 0% 100%, rgba(0, 212, 255, 0.07) 0%, transparent 50%);
}

.page-hero-header>* {
  position: relative;
  z-index: 1;
}

/* ════════════════════════════════
   STATS BAR
════════════════════════════════ */
.stats-bar {
  background: var(--dark2);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 32px 48px;
  display: flex;
  align-items: stretch;
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 0 32px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-number span {
  color: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 7px;
}

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */

/* ── TABLETS / SMALL LAPTOPS ── */
@media (max-width: 1100px) {

  .viz-grid {
    grid-template-columns: 1fr 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr 1fr;
  }

  .dash-grid {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .admin-cards {
    grid-template-columns: 1fr 1fr;
  }

}


/* ── MOBILE / SMALL TABLETS ── */
@media (max-width: 768px) {

  /* Content grids collapse to 1 column */
  .viz-grid,
  .news-grid,
  .news-page-list {
    grid-template-columns: 1fr;
  }

  .featured-article {
    grid-template-columns: 1fr;
  }

  .featured-img {
    min-height: 220px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .paper-detail-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .paper-detail-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .paper-detail-grid {
    grid-template-columns: 1fr;
  }

  /* Reduce padding for mobile */
  .repo-filters {
    padding: 16px 20px;
  }

  .repo-grid,
  .profiles-grid,
  .dash-grid {
    padding: 20px;
  }

  .news-page-featured,
  .news-page-list {
    padding: 20px;
  }

  /* ── ADMIN LAYOUT ── */

  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    height: auto;
    position: static;

    display: flex;
    overflow-x: auto;

    padding: 12px 16px;
    gap: 8px;
  }

  .admin-sidebar .sidebar-section {
    display: flex;
    flex-direction: row;
    gap: 6px;
    margin: 0 8px 0 0;
    padding: 0;
  }

  .sidebar-section-label {
    display: none;
  }

  .admin-main {
    padding: 20px;
  }

  .admin-cards {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  /* ── STATS BAR ── */

  .stats-bar {
    flex-wrap: wrap;
    padding: 20px;
  }

  .stat-item {
    flex: 1 1 40%;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    padding: 12px;
  }

  /* Upload section */

  .upload-form-wrap {
    padding: 20px;
  }

}

@media (max-width: 480px) {

  .admin-cards {
    grid-template-columns: 1fr;
  }

  .stat-item {
    flex: 1 1 100%;
  }

}

/* ════════════════════════════════
   SETTINGS PAGE
════════════════════════════════ */
.settings-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
}

.settings-nav {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 12px;
  height: fit-content;
  position: sticky;
  top: calc(var(--nav-h) + 18px);
}

.settings-nav-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--gray-600);
  cursor: pointer;
  font-weight: 600;
  text-align: left;
}

.settings-nav-btn:hover {
  background: var(--off-white);
}

.settings-nav-btn.active {
  background: var(--primary-pale);
  color: var(--primary);
  border-color: rgba(9, 1, 250, 0.15);
}

.settings-panel {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 26px 26px;
}

.settings-panel+.settings-panel {
  margin-top: 16px;
}

.settings-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.settings-help {
  font-size: 0.86rem;
  color: var(--gray-400);
  line-height: 1.65;
  margin-top: -8px;
  margin-bottom: 16px;
}

@media (max-width: 900px) {
  .settings-layout {
    grid-template-columns: 1fr;
  }

  .settings-nav {
    position: static;
    display: flex;
    overflow-x: auto;
    gap: 8px;
  }

  .settings-nav-btn {
    width: auto;
    white-space: nowrap;
  }
}

/* ════════════════════════════════
   PAPER VIEWER (IEEE STYLE)
════════════════════════════════ */
.paper-view-container {
  padding: 0;
}

.paper-view-header {
  padding: 60px 48px;
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.paper-view-type {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.paper-view-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: #111827;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.paper-view-authors {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.paper-view-author {
  font-size: 1rem;
  color: #4b5563;
  font-weight: 500;
}
.paper-view-author.is-lead {
  cursor: pointer;
  color: #0b3b8f;
  font-weight: 700;
}
.paper-view-author.is-lead:hover {
  text-decoration: underline;
}

.paper-view-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 40px;
  font-size: 0.875rem;
  color: #6b7280;
}

.paper-view-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.paper-view-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.pv-btn {
  padding: 12px 28px !important;
  font-weight: 700 !important;
  font-size: 0.95rem !important;
  border-radius: 12px !important;
  gap: 10px !important;
}
.paper-view-actions .btn-primary {
  background: #0b3b8f !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(11, 59, 143, 0.25) !important;
}
.paper-view-actions .btn-ghost {
  background: #ffffff !important;
  color: #0b3b8f !important;
  border: 2px solid #0b3b8f !important;
}
.paper-view-actions .btn-ghost:hover {
  background: #f0f4ff !important;
}

.paper-view-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding: 48px;
}

@media (max-width: 900px) {
  .paper-view-layout {
    grid-template-columns: 1fr;
  }
}

.paper-section {
  margin-bottom: 40px;
}

.paper-section-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #111827;
  border-bottom: 2px solid #f3f4f6;
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.paper-abstract-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #374151;
}

.paper-files-explorer {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.explorer-file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid #f3f4f6;
}

.explorer-file-row:last-child {
  border-bottom: none;
}

.file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #111827;
}

.file-info .iconify {
  font-size: 1.2rem;
  color: #6b7280;
}

.file-name {
  font-weight: 600;
  font-size: 0.875rem;
}

.file-actions {
  display: flex;
  gap: 8px;
}
.btn-explorer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f8fafc;
  color: #0b3b8f;
  border: 1px solid #e2e8f0;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn-explorer:hover {
  background: #f0f4ff;
  border-color: #0b3b8f;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(11, 59, 143, 0.1);
}
.btn-explorer .iconify {
  font-size: 0.9rem;
}



.paper-view-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-box {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.sidebar-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 800;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.sidebar-cite-box {
  background: var(--off-white);
  padding: 16px;
  border-radius: 8px;
}

.sidebar-author-card {
  display: flex;
  align-items: center;
  gap: 16px;
}

.s-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #eef2ff;
  border: 2px solid #e0e7ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #0b3b8f;
  overflow: hidden;
  flex-shrink: 0;
}
.s-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.s-name {
  font-weight: 700;
  color: #111827;
  font-size: 1rem;
}
.s-dept {
  font-size: 0.8rem;
  color: #6b7280;
}

.ai-title {
  color: #0d9488 !important;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem !important;
  font-weight: 800 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.ai-summary-text {
  font-size: 0.92rem !important;
  line-height: 1.7 !important;
  color: #374151 !important;
  margin-bottom: 16px !important;
}
.ai-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ai-tag {
  background: #f0fdfa;
  color: #0d9488;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid #ccfbf1;
}

.ai-badge-card {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(13, 148, 136, 0.9);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 2;
}

.cite-text {
  font-size: 0.88rem !important;
  line-height: 1.6 !important;
  color: #1e3a8a !important;
  margin-bottom: 16px !important;
  font-family: var(--font-mono);
  background: #f8fafc;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.related-item {
  padding: 14px 0;
  border-bottom: 1px solid #f3f4f6;
  cursor: pointer;
}
.related-item:last-child { border-bottom: none; }
.related-item:hover .related-title { color: #0b3b8f; }
.related-domain {
  font-size: 0.7rem;
  font-weight: 800;
  color: #0b3b8f;
  opacity: 0.7;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.related-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: #111827;
  line-height: 1.4;
}

/* ── AI AUDIT UI ── */
.ai-audit-box {
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.ai-audit-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 12px;
}

.ai-score-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-score-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ai-score-bar {
  height: 8px;
  background: var(--gray-100);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.ai-score-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 1s var(--ease-spring);
}

.ai-score-fill.is-danger {
  background: #ef4444;
}

.ai-score-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-800);
  text-align: right;
  margin-top: 4px;
}

.ai-verdict {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.ai-verdict.is-success {
  background: rgba(16, 185, 129, 0.08);
  color: #059669;
}

.ai-verdict.is-danger {
  background: rgba(239, 68, 68, 0.08);
  color: #dc2626;
}

.ai-keywords-box {
  border-top: 1px solid var(--gray-100);
  padding-top: 12px;
}

.ai-keywords-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.ai-keywords-list {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gray-700);
  line-height: 1.5;
  background: var(--off-white);
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--gray-100);
}

/* ── DOCS PORTAL (Redesigned) ── */
/* ── NEW DOCS ENGINE (HARDCODED) ── */
.docs-portal-view {
  background: #ffffff !important;
  padding-top: 70px !important; /* MATCH SITE NAVBAR HEIGHT */
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.docs-layout {
  display: flex !important;
  max-width: 1560px !important;
  margin: 0 auto !important;
  min-height: calc(100vh - 70px) !important;
  position: relative;
}

.docs-sidebar {
  width: 280px !important;
  position: sticky !important;
  top: 70px !important; /* EXACT OFFSET FOR NAVBAR */
  height: calc(100vh - 70px) !important;
  overflow-y: auto !important;
  padding: 40px 24px !important;
  background: #f8fafc !important;
  border-right: 1px solid #f1f5f9 !important;
  z-index: 10 !important;
  flex-shrink: 0 !important;
}

.docs-main {
  flex: 1 !important;
  padding: 60px 80px !important;
  background: #ffffff !important;
  min-width: 0 !important;
}

.docs-container {
  max-width: 840px !important;
  margin: 0 auto !important;
}

/* Sidebar Nav */
.docs-nav-container {
  display: block !important;
  position: static !important;
}

.docs-nav-group {
  margin-bottom: 32px !important;
}

.docs-nav-label {
  font-size: 0.68rem !important;
  font-weight: 800 !important;
  color: #94a3b8 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.1em !important;
  margin-bottom: 12px !important;
  padding-left: 12px !important;
}

.docs-nav-link {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 10px 12px !important;
  border-radius: 8px !important;
  color: #475569 !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  transition: all 0.2s ease !important;
  text-decoration: none !important;
  margin-bottom: 4px !important;
}

.docs-nav-link:hover {
  background: #f1f5f9 !important;
  color: #133d8b !important; /* Primary color hardcoded */
}

.docs-nav-link.active {
  background: #ffffff !important;
  color: #133d8b !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03) !important;
}

.docs-nav-link .iconify {
  font-size: 1.25rem;
  opacity: 0.6;
}

.docs-nav-link.active .iconify {
  opacity: 1;
}

/* Content Elements */
.doc-section {
  scroll-margin-top: 90px; /* Padding for smooth scroll targets */
  margin-bottom: 80px;
}

.doc-title {
  font-size: 3rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
}

.doc-subtitle {
  font-size: 1.85rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.doc-intro {
  font-size: 1.25rem;
  color: #475569;
  line-height: 1.65;
  margin-bottom: 48px;
}

.doc-divider {
  border: 0;
  border-top: 1px solid #f1f5f9;
  margin: 64px 0;
}

/* Grid & Cards */
.doc-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
}

.doc-card {
  padding: 28px;
  background: #f8fafc;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  transition: transform 0.2s ease;
}

.doc-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.doc-card .c-icon {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.doc-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.doc-card p {
  font-size: 0.9rem;
  color: #64748b;
  line-height: 1.6;
}

.doc-tip-box {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #fffbeb;
  border-radius: 12px;
  border: 1px solid #fef3c7;
  color: #92400e;
  margin: 32px 0;
}

.doc-tip-box .iconify {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.doc-styled-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.doc-styled-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 16px;
  color: #475569;
  line-height: 1.6;
}

.doc-styled-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 900;
}

/* Visual Steps */
.doc-visual-step {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
}

.v-step {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 800;
  flex-shrink: 0;
}

.v-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.v-body p {
  font-size: 0.95rem;
  color: #64748b;
}

/* Achievements Modern */
.ach-tier-section {
  margin-bottom: 48px;
}

.ach-tier-header {
  font-size: 0.9rem;
  font-weight: 800;
  color: #94a3b8;
  text-transform: uppercase;
  margin-bottom: 20px;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 8px;
}

.ach-grid-modern {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ach-card-pro {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: white;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
  transition: all 0.2s ease;
}

.ach-card-pro:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.ach-pro-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border-radius: 12px;
  flex-shrink: 0;
}

.ach-pro-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.ach-pro-content p {
  font-size: 0.82rem;
  color: #64748b;
  margin-bottom: 8px;
  line-height: 1.4;
}

.ach-pro-reward {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  background: #eef2ff;
  padding: 2px 8px;
  border-radius: 4px;
}

/* Audit Nodes */
.doc-audit-process {
  margin-top: 32px;
}

.audit-node {
  position: relative;
  padding-left: 32px;
  margin-bottom: 24px;
  border-left: 2px solid #e2e8f0;
}

.audit-node::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 0;
  width: 12px;
  height: 12px;
  background: white;
  border: 2px solid var(--primary);
  border-radius: 50%;
}

.node-label {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.node-desc {
  font-size: 0.88rem;
  color: #64748b;
}

.doc-alert-callout {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: 16px;
  margin: 32px 0;
}

.doc-alert-callout.warning {
  background: #fff5f5;
  border: 1px solid #ffe3e3;
  color: #c92a2a;
}

.doc-alert-callout .c-icon {
  font-size: 1.8rem;
}

.doc-alert-callout .c-text {
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Documentation Tables */
.doc-table-wrapper {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.doc-table th {
  background: #f8fafc;
  padding: 12px 16px;
  font-weight: 700;
  color: #475569;
  border-bottom: 1px solid #e2e8f0;
}

.doc-table td {
  padding: 12px 16px;
  color: #1e293b;
  border-bottom: 1px solid #f1f5f9;
}

.doc-table tr:last-child td {
  border-bottom: none;
}

.doc-table tr:hover td {
  background: #fcfcfc;
}