/* ═══════════════════════════════════════════════════════════════════════════
   PHYSICSFORUM.ORG — SEARCH STYLES
   Mobile-first. CSS custom properties only.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Search Page Layout ── */
.search-page {
  min-height: 100vh;
  background: var(--color-photon-white);
}

.search-header {
  background: var(--color-space-navy);
  padding: var(--space-6) var(--space-4);
}

.search-header-inner {
  max-width: 960px;
  margin: 0 auto;
}

.search-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-inverse);
  margin-bottom: var(--space-4);
}

.search-bar-wrapper {
  position: relative;
}

.search-bar-large {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  transition: var(--transition-base);
}

.search-bar-large:focus-within {
  border-color: var(--color-quantum-gold);
  background: rgba(255,255,255,0.18);
  box-shadow: var(--shadow-gold);
}

.search-bar-large .search-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin: 0 var(--space-3);
  color: var(--color-neutron-grey);
}

.search-bar-large input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-inverse);
  font-family: var(--font-display);
  font-size: var(--text-base);
  padding: var(--space-2) 0;
}

.search-bar-large input::placeholder {
  color: var(--color-neutron-grey);
}

.search-bar-large .btn-search {
  flex-shrink: 0;
  margin-left: var(--space-2);
}

.search-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
  color: var(--color-neutron-grey);
  font-family: var(--font-display);
  font-size: var(--text-sm);
}

.search-meta .result-count {
  color: var(--color-quantum-gold);
  font-weight: 600;
}

/* ── Filter Tabs ── */
.search-tabs {
  background: var(--color-photon-white);
  border-bottom: 1px solid var(--color-neutron-grey);
  position: sticky;
  top: 72px;
  z-index: var(--z-sticky);
}

.search-tabs-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  gap: var(--space-2);
  padding: 0 var(--space-4);
}

.search-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-dark-grey);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition-fast);
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  text-decoration: none;
}

.search-tab:hover {
  color: var(--color-electric);
}

.search-tab.active {
  color: var(--color-electric);
  border-bottom-color: var(--color-electric);
}

.search-tab .tab-count {
  font-size: var(--text-xs);
  color: var(--color-neutron-grey);
  background: var(--color-ice-blue);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.search-tab.active .tab-count {
  background: var(--color-electric);
  color: var(--text-inverse);
}

/* ── Search Content Layout ── */
.search-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .search-content {
    grid-template-columns: 280px 1fr;
  }
}

/* ── Sidebar Filters ── */
.search-sidebar {
  position: sticky;
  top: 140px;
  align-self: start;
}

.search-sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-photon-white);
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-dark-grey);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-sidebar-toggle:hover {
  border-color: var(--color-electric);
  color: var(--color-electric);
}

.search-sidebar-panel {
  display: none;
  background: var(--color-photon-white);
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-top: var(--space-3);
}

.search-sidebar-panel.open {
  display: block;
}

@media (min-width: 1024px) {
  .search-sidebar-toggle {
    display: none;
  }
  .search-sidebar-panel {
    display: block;
    border: none;
    padding: 0;
    margin-top: 0;
  }
}

.search-filter-section {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-ice-blue);
}

.search-filter-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.search-filter-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-dark-grey);
  margin-bottom: var(--space-3);
}

.filter-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  cursor: pointer;
  padding: var(--space-1) 0;
  transition: var(--transition-fast);
}

.filter-checkbox:hover {
  color: var(--color-electric);
}

.filter-checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-neutron-grey);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
  position: relative;
  background: transparent;
}

.filter-checkbox input[type="checkbox"]:checked {
  background: var(--color-electric);
  border-color: var(--color-electric);
}

.filter-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.filter-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-electric);
  outline-offset: 2px;
}

.filter-check-count {
  font-size: var(--text-xs);
  color: var(--color-neutron-grey);
  margin-left: auto;
}

/* Date range presets */
.date-presets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.date-preset {
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-dark-grey);
  cursor: pointer;
  transition: var(--transition-fast);
}

.date-preset:hover {
  border-color: var(--color-electric);
  color: var(--color-electric);
}

.date-preset.active {
  background: var(--color-electric);
  color: var(--text-inverse);
  border-color: var(--color-electric);
}

/* Difficulty filter */
.difficulty-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.difficulty-filter {
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-dark-grey);
  cursor: pointer;
  transition: var(--transition-fast);
}

.difficulty-filter:hover {
  border-color: var(--color-electric);
  color: var(--color-electric);
}

.difficulty-filter.active {
  background: var(--color-electric);
  color: var(--text-inverse);
  border-color: var(--color-electric);
}

/* Active filters bar */
.active-filters-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  margin-bottom: var(--space-4);
}

.active-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-ice-blue);
  color: var(--color-electric);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
}

.active-filter-chip .remove-filter {
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition-fast);
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
  line-height: 1;
}

.active-filter-chip .remove-filter:hover {
  opacity: 1;
}

.clear-all-filters {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-alert-red);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: var(--transition-fast);
}

.clear-all-filters:hover {
  text-decoration: underline;
}

/* Sort bar */
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-ice-blue);
}

.sort-bar-label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-neutron-grey);
}

.sort-select {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-md);
  background: var(--color-photon-white);
  color: var(--color-dark-grey);
  cursor: pointer;
}

.sort-select:focus-visible {
  outline: 2px solid var(--color-electric);
  outline-offset: 2px;
}

/* ── Search Results ── */
.search-results-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.search-result {
  background: var(--color-photon-white);
  border: 1px solid var(--color-ice-blue);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: var(--transition-base);
  cursor: pointer;
}

.search-result:hover {
  border-color: var(--color-electric);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.search-result-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.result-type-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.result-type-icon.type-discussion {
  background: var(--color-ice-blue);
  color: var(--color-electric);
}

.result-type-icon.type-article {
  background: #ECFDF5;
  color: var(--color-fusion-green);
}

.result-type-icon.type-member {
  background: #FEF3C7;
  color: var(--color-dark-gold);
}

.result-type-icon.type-simulation {
  background: #EDE9FE;
  color: var(--color-soft-purple);
}

.result-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-dark-grey);
  line-height: 1.4;
  text-decoration: none;
  display: block;
}

.result-title:hover {
  color: var(--color-electric);
}

.result-title .highlight {
  background: rgba(245,158,11,0.25);
  color: var(--color-dark-gold);
  padding: 1px 2px;
  border-radius: 2px;
  font-weight: 700;
}

.result-breadcrumb {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-neutron-grey);
  margin-bottom: var(--space-2);
}

.result-breadcrumb a {
  color: var(--color-neutron-grey);
  text-decoration: none;
  transition: var(--transition-fast);
}

.result-breadcrumb a:hover {
  color: var(--color-electric);
  text-decoration: underline;
}

.result-breadcrumb .sep {
  margin: 0 var(--space-1);
}

.result-excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  line-height: 1.65;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.result-excerpt .highlight {
  background: rgba(245,158,11,0.25);
  font-weight: 600;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-neutron-grey);
}

.result-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.result-meta-item svg {
  width: 14px;
  height: 14px;
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.result-tag {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  padding: 2px 10px;
  background: var(--color-ice-blue);
  color: var(--color-electric);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: var(--transition-fast);
}

.result-tag:hover {
  background: var(--color-electric);
  color: var(--text-inverse);
}

/* ── Special Result Types ── */
.search-result.formula-match {
  border-left: 4px solid var(--color-quantum-gold);
  background: linear-gradient(135deg, #FFFBEB 0%, var(--color-photon-white) 100%);
}

.formula-match-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-dark-gold);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.formula-display {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-3) 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  overflow-x: auto;
}

.formula-match-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.formula-match-footer .btn {
  font-size: var(--text-xs);
}

.search-result.member-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
}

.member-card-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-academic-blue);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  flex-shrink: 0;
}

.member-card-info {
  flex: 1;
  min-width: 0;
}

.member-card-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-dark-grey);
}

.member-card-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-neutron-grey);
}

.member-card-stats {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-neutron-grey);
}

.member-card-stats span {
  font-weight: 600;
  color: var(--color-dark-grey);
}

.search-result.simulation-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.simulation-preview {
  width: 120px;
  height: 80px;
  border-radius: var(--radius-md);
  background: var(--color-space-navy);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.simulation-preview svg {
  width: 48px;
  height: 48px;
  opacity: 0.7;
}

.simulation-card-info {
  flex: 1;
  min-width: 0;
}

/* ── Empty State ── */
.search-empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-4);
}

.empty-atom-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  opacity: 0.4;
  animation: floatAtom 3s ease-in-out infinite;
}

@keyframes floatAtom {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.search-empty-state h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-dark-grey);
  margin-bottom: var(--space-3);
}

.search-empty-state p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-neutron-grey);
  max-width: 480px;
  margin: 0 auto var(--space-4);
}

.empty-suggestions {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  margin-bottom: var(--space-6);
  line-height: 1.8;
}

.empty-suggestions li {
  margin-bottom: var(--space-1);
}

.empty-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.empty-related-topics {
  margin-top: var(--space-8);
}

.empty-related-topics h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark-grey);
  margin-bottom: var(--space-3);
}

.empty-related-topics .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

/* ── Pagination (search) ── */
.search-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-ice-blue);
}

/* ═══════════════════════════════════════════════════════════════════════════
   ADVANCED SEARCH PAGE
   ═══════════════════════════════════════════════════════════════════════════ */

.advanced-search-page {
  min-height: 100vh;
  background: var(--color-photon-white);
}

.advanced-search-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-4) var(--space-20);
}

.advanced-search-container h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-space-navy);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.advanced-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-neutron-grey);
  margin-bottom: var(--space-8);
}

.advanced-search-card {
  background: var(--color-photon-white);
  border: 1px solid var(--color-ice-blue);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.advanced-fieldset {
  border: none;
  padding: 0;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-ice-blue);
}

.advanced-fieldset:last-of-type {
  border-bottom: none;
  margin-bottom: var(--space-8);
}

.advanced-fieldset legend {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-academic-blue);
  margin-bottom: var(--space-4);
  padding: 0;
}

.advanced-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .advanced-row {
    grid-template-columns: 1fr 1fr;
  }
}

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

.advanced-field label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-dark-grey);
  margin-bottom: var(--space-1);
}

.advanced-field input[type="text"],
.advanced-field input[type="date"],
.advanced-field input[type="number"],
.advanced-field select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  background: var(--color-photon-white);
  transition: var(--transition-fast);
}

.advanced-field input:focus,
.advanced-field select:focus {
  outline: none;
  border-color: var(--color-electric);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.advanced-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.advanced-checkbox-group label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  cursor: pointer;
}

.advanced-checkbox-group input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-neutron-grey);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
  position: relative;
  background: transparent;
}

.advanced-checkbox-group input[type="checkbox"]:checked {
  background: var(--color-electric);
  border-color: var(--color-electric);
}

.advanced-checkbox-group input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.category-multiselect {
  position: relative;
}

.category-multiselect-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-md);
  background: var(--color-photon-white);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  cursor: pointer;
  transition: var(--transition-fast);
}

.category-multiselect-trigger:hover {
  border-color: var(--color-electric);
}

.category-multiselect-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-photon-white);
  border: 1px solid var(--color-neutron-grey);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-above);
  max-height: 300px;
  overflow-y: auto;
  margin-top: var(--space-1);
}

.category-multiselect-dropdown.open {
  display: block;
}

.category-optgroup-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-academic-blue);
  padding: var(--space-2) var(--space-4);
  background: var(--color-ice-blue);
}

.category-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-dark-grey);
  cursor: pointer;
  transition: var(--transition-fast);
}

.category-option:hover {
  background: var(--color-ice-blue);
}

.category-option input[type="checkbox"] {
  margin: 0;
}

.advanced-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.advanced-actions .btn-search-advanced {
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
}

.advanced-actions .btn-reset {
  color: var(--color-neutron-grey);
}

/* ── Mobile sidebar overlay ── */
@media (max-width: 1023px) {
  .search-sidebar-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-drawer);
    background: var(--color-photon-white);
    border: none;
    border-radius: 0;
    padding: var(--space-6);
    margin: 0;
    overflow-y: auto;
    display: block;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .search-sidebar-panel.open {
    transform: translateX(0);
  }

  .sidebar-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--color-ice-blue);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--color-dark-grey);
    font-size: var(--text-xl);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: calc(var(--z-drawer) - 1);
  }

  .sidebar-overlay.open {
    display: block;
  }
}

@media (min-width: 1024px) {
  .sidebar-close-btn,
  .sidebar-overlay {
    display: none;
  }
}

/* ======================================================================
   MERGED FROM search-fixes.css (v4.9)
   A separate override file loaded after this one is specificity debt: it
   guarantees the two disagree and the loser is whichever loads first.
   Folded in here so there is one source of truth for search styling.
   ====================================================================== */

.search-page-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
.search-page-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-space-navy);
  margin: 0 0 24px;
}
.search-bar-form {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.search-bar-input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
}
.search-bar-input:focus { outline: none; border-color: var(--color-electric); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }

.search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.search-filter-btn {
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.search-filter-btn:hover {
  background: var(--color-ice-blue);
  border-color: var(--color-electric);
  color: var(--color-electric);
  text-decoration: none;
}
.search-filter-btn.active {
  background: var(--color-electric);
  color: var(--text-inverse);
  border-color: var(--color-electric);
}

.search-results-count {
  font-size: 13px;
  color: var(--text-faint);
  margin-bottom: 18px;
}

.search-result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 14px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.search-result-card:hover {
  box-shadow: 0 6px 18px rgba(15,23,42,0.08);
  transform: translateY(-1px);
}
.search-result-meta-top { margin-bottom: 8px; }
.search-result-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin: 6px 0 8px;
  line-height: 1.3;
}
.search-result-card h3 a { color: var(--color-space-navy); text-decoration: none; }
.search-result-card h3 a:hover { color: var(--color-electric); }
.search-snippet { color: var(--text-secondary); font-size: 14px; line-height: 1.55; margin: 0 0 10px; }
.search-meta { font-size: 12px; color: var(--text-faint); }

.search-suggestions { margin-top: 30px; }
.search-suggestions h3 { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.search-suggestion-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.search-sugg-tag {
  padding: 7px 14px;
  background: var(--color-ice-blue);
  color: var(--color-electric);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.15s ease;
}
.search-sugg-tag:hover { background: var(--color-electric); color: var(--text-inverse); text-decoration: none; }

.search-no-results {
  text-align: center;
  padding: 60px 20px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 12px;
}
.search-no-results h3 { font-family: var(--font-display); font-size: 22px; margin: 0 0 8px; }
.search-no-results p { color: var(--text-faint); margin: 0 0 20px; }

/* ═══════════════════════════════════════════════════════════════════════════
   LEADERBOARD PAGE FIXES (no overlap with navbar)
   ═══════════════════════════════════════════════════════════════════════════ */
.lb-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
.lb-page-header {
  text-align: center;
  margin-bottom: 32px;
  padding-top: 20px;
}
.lb-page-header h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-space-navy);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.lb-page-header p {
  font-size: 15px;
  color: var(--color-neutron-grey);
  margin: 0;
}
.lb-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  justify-content: center;
}
.lb-tab {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.lb-tab.active {
  background: var(--color-electric);
  color: var(--text-inverse);
  border-color: var(--color-electric);
}
.lb-tab:hover:not(.active) { background: var(--color-ice-blue); }

.lb-table {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.lb-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--color-ice-blue);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-dark-grey);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.lb-header .lb-rank { min-width: 40px; }
.lb-header .lb-user { flex: 1; }
.lb-header .lb-stat { min-width: 90px; text-align: right; }

@media (max-width: 768px) {
  .lb-header .lb-stat:nth-child(n+5) { display: none; }
  .lb-row span.lb-stat:nth-child(n+5) { display: none; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   FORUM HEADER FIX (no overlap, lighter)
   ═══════════════════════════════════════════════════════════════════════════ */
.forum-header {
  margin-top: 0;
  border-radius: 0;
}
.forum-page { padding-top: 0; }