/* 2-Column Responsive Forum Layout */
  .forum-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    font-family: 'Poppins', sans-serif;
  }

  .forum-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 24px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--md-outline-variant);
  }

  .forum-header-content {
    flex: 1;
  }

  .forum-header h1 {
    font-weight: 800;
    color: var(--md-on-surface);
    letter-spacing: -0.02em;
    margin: 0;
  }

  .forum-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
    margin-top: 16px;
  }

  @media (max-width: 990px) {
    .forum-layout {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .forum-sidebar {
      display: none; /* Mobile uses chips row at the top */
    }
  }

  /* Sleek Flat M3 Cards for Sidebar */
  .forum-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 88px;
  }

  .forum-card {
    background: var(--md-surface-container-lowest);
    border: 1px solid rgba(var(--md-outline-variant), 0.5);
    border-radius: 24px;
    padding: 24px;
  }

  .forum-card-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.01em;
  }

  .forum-card-title span.material-symbols-outlined {
    font-size: 24px;
    color: var(--md-primary);
  }

  /* Categories Sidebar List */
  .sidebar-category-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .sidebar-category-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-radius: 16px;
    text-decoration: none;
    color: var(--md-on-surface-variant);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all 0.2s var(--md-transition);
  }

  .sidebar-category-row:hover {
    background-color: var(--md-surface-container-high);
    color: var(--md-on-surface);
    text-decoration: none;
  }

  .sidebar-category-row.active {
    background-color: var(--md-primary-container);
    color: var(--md-on-primary-container);
    font-weight: 600;
  }

  .category-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 100px;
    background: var(--md-surface-container-highest);
    color: var(--md-on-surface-variant);
    transition: all 0.2s var(--md-transition);
  }

  .sidebar-category-row.active .category-badge {
    background: var(--md-primary);
    color: var(--md-on-primary);
  }

  /* Top Contributors Sidebar List */
  .sidebar-contributor-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .sidebar-contributor-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 16px;
    transition: all 0.2s var(--md-transition);
  }

  .sidebar-contributor-row:hover {
    background-color: var(--md-surface-container-high);
  }

  .contributor-profile-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .contributor-avatar-container {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--md-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1.5px solid var(--md-outline-variant);
  }

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

  .contributor-avatar-letter {
    font-size: 1rem;
    font-weight: 700;
    color: var(--md-on-primary-container);
    text-transform: uppercase;
  }

  .contributor-meta-data {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .contributor-username-text {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--md-on-surface);
  }

  .contributor-level-text {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--md-primary);
  }

  .contributor-score-text {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--md-on-surface-variant);
    white-space: nowrap;
  }

  .btn-leaderboard-link {
    display: block;
    text-align: center;
    color: var(--md-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    padding: 10px 0;
    margin-top: 12px;
    border-radius: 100px;
    transition: background-color 0.2s ease;
    cursor: pointer;
  }

  .btn-leaderboard-link:hover {
    background-color: rgba(27, 110, 243, 0.08);
    text-decoration: none;
  }

  /* Mobile category filters scrolling container styling */
  .filter-bar-container {
    position: relative;
    margin-bottom: 16px;
    margin-top: 8px;
    overflow: hidden;
  }

  .filter-bar-container::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 12px;
    width: 48px;
    background: linear-gradient(90deg, rgba(248, 249, 255, 0) 0%, var(--md-background) 100%);
    pointer-events: none;
    z-index: 2;
  }

  [data-theme="dark"] .filter-bar-container::after {
    background: linear-gradient(90deg, rgba(11, 28, 48, 0) 0%, var(--md-background) 100%);
  }

  .filter-bar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 4px 12px;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-bar .md-chip {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--md-radius-full);
    transition: all 0.2s var(--md-transition);
  }

  .filter-bar .md-chip-active {
    font-weight: 600;
    background: var(--md-primary-container) !important;
    color: var(--md-on-primary-container) !important;
    border-color: transparent !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  }

  @keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  /* Sort Tabs */
  .forum-controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
  }
  .forum-sort-tabs {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .forum-sort-tabs::-webkit-scrollbar { display: none; }
  .forum-sort-tab {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: var(--md-radius-full);
    font-family: 'Poppins', sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s var(--md-transition);
    border: 1px solid transparent;
  }
  .forum-sort-tab:hover {
    background: var(--md-surface-container-high);
    text-decoration: none;
    color: var(--md-on-surface);
  }
  .forum-sort-tab .material-symbols-outlined {
    font-size: 18px;
  }
  .forum-sort-tab-active {
    background: var(--md-secondary-container) !important;
    color: var(--md-on-secondary-container) !important;
    font-weight: 600;
  }

  /* Active Filter Chips */
  .forum-active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
  }

  /* Pagination */
  .forum-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 24px 0 8px;
  }
  .forum-pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 20px;
    border-radius: var(--md-radius-full);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--md-primary);
    background: var(--md-surface-container-lowest);
    border: 1px solid var(--md-outline-variant);
    text-decoration: none;
    transition: all 0.2s var(--md-transition);
  }
  .forum-pagination-btn:hover {
    background: var(--md-primary-container);
    text-decoration: none;
  }
  .forum-pagination-btn .material-symbols-outlined {
    font-size: 18px;
  }
  .forum-pagination-info {
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
  }

  /* FAB Mobile Position Clearance */
  @media (max-width: 900px) {
    .md-fab {
      bottom: 84px !important;
    }
  }

  /* Modal Style (Leaderboard) */
  .m3-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.2s ease;
  }

  .m3-modal-overlay.open {
    display: flex;
    opacity: 1;
  }

  .m3-modal-box {
    background-color: var(--md-surface-container-high, var(--md-surface));
    border: 1px solid var(--md-outline-variant);
    border-radius: 28px;
    width: 90%;
    max-width: 500px;
    padding: 32px;
    transform: scale(0.95);
    transition: transform 0.2s ease;
  }

  .m3-modal-overlay.open .m3-modal-box {
    transform: scale(1);
  }

  .m3-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
  }

  .m3-modal-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--md-on-surface);
  }

  .m3-modal-close-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--md-on-surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: background-color 0.2s ease;
  }

  .m3-modal-close-btn:hover {
    background-color: var(--md-surface-container-highest);
  }

  /* Leaderboard Table Styles */
  .leaderboard-table-container {
    max-height: 400px;
    overflow-y: auto;
  }

  .leaderboard-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 8px;
    border-bottom: 1px solid var(--md-outline-variant);
  }

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

  .leaderboard-rank-profile {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .leaderboard-rank-number {
    font-size: 1.0625rem;
    font-weight: 700;
    width: 24px;
    color: var(--md-on-surface-variant);
    text-align: center;
  }

  .leaderboard-rank-number.rank-1 {
    color: #F9A825;
  }
  .leaderboard-rank-number.rank-2 {
    color: #78909C;
  }
  .leaderboard-rank-number.rank-3 {
    color: #E64A19;
  }

  [data-theme="dark"] .leaderboard-rank-number.rank-1 {
    color: #FFD54F;
  }
  [data-theme="dark"] .leaderboard-rank-number.rank-2 {
    color: #B0BEC5;
  }
  [data-theme="dark"] .leaderboard-rank-number.rank-3 {
    color: #FF8A65;
  }

  .post-card-poll-badge{display:inline-flex;align-items:center;gap:4px;margin-top:8px;padding:4px 10px;border-radius:100px;font-size:.75rem;font-weight:500;color:var(--md-primary);background:var(--md-primary-container)}