/* Board (Forum) Styles - DC Inside Style */

/* ===== Base Layout ===== */
html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== Board Header Section ===== */
.board-header-section {
  width: 100%;
  box-sizing: border-box;
}

.board-header-section .board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
}

.board-header-section .board-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.btn-back-inline {
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-back-inline:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* Category Tabs (Horizontal) */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.category-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.category-tab:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.category-tab.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.category-tab .category-icon {
  font-size: 14px;
}

/* Back button in category tabs - push to right */
.category-tabs .btn-back-inline {
  margin-left: auto;
}

/* Sidebars - Ads */
.board-sidebar-left,
.board-sidebar-right {
  position: sticky;
  top: 80px;
  height: fit-content;
}

.board-sidebar-left {
  width: 160px;
}

.board-sidebar-right {
  width: 200px;
}

.board-sidebar-left .ad-section,
.board-sidebar-right .ad-section {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
}

.board-sidebar-left .ad-label,
.board-sidebar-right .ad-label {
  display: none;
}

.board-sidebar-left .ad-placeholder,
.board-sidebar-right .ad-placeholder {
  min-height: 700px;
}

.board-sidebar-left .ad-placeholder {
  background-color: rgba(255, 182, 193, 0.3);
  border-radius: 8px;
}

.ad-affiliate {
  font-size: 9px;
  color: var(--text-secondary);
  opacity: 0.5;
  text-align: center;
  padding: 6px 2px;
  line-height: 1.3;
  word-break: keep-all;
  max-width: 200px;
}

.ad-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.ad-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 8px;
  opacity: 0.6;
}

.ad-placeholder {
  min-height: 250px;
}

.ad-box {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 700px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 12px;
}

/* Bottom Ad Section */
.board-ad-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

.board-ad-bottom .ad-horizontal {
  width: 100%;
}

.board-ad-bottom .ad-horizontal .ad-placeholder {
  min-height: 90px;
}

.board-ad-bottom .ad-horizontal .ad-box {
  min-height: 90px;
}

/* Post Table Style */
.post-table {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.post-table-header {
  display: grid;
  grid-template-columns: 60px 100px 1fr 120px 100px 80px 70px;
  padding: 12px 20px;
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
}

.post-table-header .col-num,
.post-table-header .col-category,
.post-table-header .col-title,
.post-table-header .col-author,
.post-table-header .col-date,
.post-table-header .col-views,
.post-table-header .col-votes {
  text-align: center;
}

.post-table .post-item {
  display: grid;
  grid-template-columns: 60px 100px 1fr 120px 100px 80px 70px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s;
  align-items: center;
}

.post-table .post-item:last-child {
  border-bottom: none;
}

.post-table .post-item:hover {
  background: var(--bg-tertiary);
}

.post-table .post-num {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}

.post-table .post-category {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 11px;
  padding: 4px 10px;
  text-align: center !important;
  justify-self: center !important;
  width: auto;
  border-radius: 4px;
  font-weight: 500;
}

.post-table .post-title {
  font-size: 14px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-table .post-author {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}

.post-table .post-date {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
}

.post-table .post-views,
.post-table .post-votes {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}

/* Board Footer - uses common.css .footer styles */

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

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

/* ===== Board Container (3-Column Layout) ===== */
.board-container {
  display: grid;
  grid-template-columns: 160px 1fr 200px;
  gap: 24px;
  width: 100%;
  padding: 20px;
  flex: 1;
  box-sizing: border-box;
}

.board-content {
  min-width: 0;
}

.board-posts {
  margin-top: 20px;
}

.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.board-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.board-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.board-search {
  display: flex;
  gap: 8px;
}

.board-search input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  width: 200px;
}

.board-search input:focus {
  outline: none;
  border-color: var(--primary);
}

.board-search button {
  padding: 8px 16px;
}

/* Category Tabs */
.category-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.category-tab:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.category-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Post List */
.post-list {
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.post-list-header {
  display: grid;
  grid-template-columns: 80px 1fr 120px 80px 80px 100px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

/* Generic .post-item removed - use .post-table .post-item instead */

.post-item:last-child {
  border-bottom: none;
}

.post-item:hover {
  background: var(--bg-tertiary);
}

.post-category {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  text-align: center;
  font-weight: 500;
}

.post-category.strategy {
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
}

.post-category.record {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.post-category.question {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.post-category.general {
  background: rgba(107, 114, 128, 0.2);
  color: #9ca3af;
}

.post-title-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  overflow: hidden;
}

.post-title {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.post-title .comment-count {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
}

.post-author {
  font-size: 13px;
  color: var(--text-secondary);
}

.post-views, .post-votes, .post-date {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-votes {
  display: flex;
  gap: 4px;
}

.post-votes .up {
  color: #10b981;
}

.post-votes .down {
  color: #ef4444;
}

/* Empty State */
.post-list-empty {
  width: 100%;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.post-list-empty .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--primary);
}

.pagination button.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Post Detail Modal */
.post-detail-modal {
  max-width: 800px;
  width: 95%;
}

.post-detail-header {
  margin-bottom: 20px;
}

.post-detail-category {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 10px;
}

.post-detail-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.post-detail-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.post-detail-content {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  min-height: 150px;
  line-height: 1.65;
  color: #e6e9f2;
  white-space: pre-wrap;
}

.post-detail-content div {
  margin: 6px 0 6px 32px;
  font-size: 16px;
  letter-spacing: 0.1px;
}

.post-detail-content strong {
  color: #f2f5ff;
  font-weight: 700;
}

.post-detail-content .post-h2,
.post-detail-content .post-h3,
.post-detail-content h2,
.post-detail-content h3 {
  color: #f6f8ff;
  margin: 14px 0 6px;
  font-weight: 700;
}

.post-detail-content .post-h2,
.post-detail-content h2 {
  font-size: 22px;
  margin-left: 0;
}

.post-detail-content .post-h3,
.post-detail-content h3 {
  font-size: 20px;
  margin-left: 16px;
}

.post-detail-content p {
  margin: 8px 0 8px 32px;
  font-size: 16px;
  color: #e1e6f0;
}

.post-detail-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 12px auto;
}

.rich-editor img {
  max-width: 100%;
  height: auto;
}

.post-detail-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
}

.post-record-replay {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(22, 33, 76, 0.55);
}

.post-record-header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 10px;
}

.post-record-header h3 {
  margin: 0;
  font-size: 18px;
}

.post-record-meta {
  color: var(--text-secondary);
  font-size: 13px;
}

.post-record-board-wrap {
  display: flex;
  justify-content: center;
}

.post-record-board {
  --cell: 22px;
  display: grid;
  grid-template-columns: repeat(15, var(--cell));
  grid-template-rows: repeat(15, var(--cell));
  background: linear-gradient(180deg, #e8c366 0%, #d9b35b 100%);
  border-radius: 10px;
  position: relative;
  padding: calc(var(--cell) / 2 + 8px);
  width: fit-content;
  box-shadow: inset 0 0 0 1px rgba(72, 39, 0, 0.22);
}

.post-record-board::before,
.post-record-board::after {
  content: '';
  position: absolute;
  top: calc(var(--cell) + 8px);
  left: calc(var(--cell) + 8px);
  right: calc(var(--cell) + 8px);
  bottom: calc(var(--cell) + 8px);
  pointer-events: none;
}

.post-record-board::before {
  background-image:
    linear-gradient(rgba(40, 20, 0, 0.95) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 20, 0, 0.95) 1px, transparent 1px);
  background-size: var(--cell) var(--cell);
}

.post-record-board::after {
  border: 1px solid rgba(40, 20, 0, 0.96);
}

.post-record-cell {
  width: var(--cell);
  height: var(--cell);
  position: relative;
  z-index: 1;
}

.post-record-stone {
  width: calc(var(--cell) - 4px);
  height: calc(var(--cell) - 4px);
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
}

.post-record-stone.black {
  background: radial-gradient(circle at 30% 30%, #444, #111);
}

.post-record-stone.white {
  background: radial-gradient(circle at 30% 30%, #fff, #ccc);
}

.post-record-stone.last::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ef476f;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}


.post-record-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

#post-record-speed {
  min-height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0 8px;
}

/* Chess record replay (reuse records page look without loading game lobby CSS) */
.post-record-replay .record-chess-board-shell {
  background: #d9b963;
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 12px;
  padding: 8px;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 10px;
}

.post-record-replay .record-chess-board {
  display: grid;
  grid-template-columns: repeat(8, minmax(30px, 52px));
  grid-template-rows: repeat(8, minmax(30px, 52px));
  border: 5px solid #5d4524;
  border-radius: 4px;
  box-shadow:
    0 8px 20px rgba(0, 0, 0, 0.35),
    inset 0 0 0 2px #8b6914,
    0 0 0 3px #3d2e17;
  background: linear-gradient(135deg, #8b6914 0%, #5d4524 100%);
  padding: 2px;
}

.post-record-replay .record-chess-board .cell {
  width: auto;
  height: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.post-record-replay .record-chess-board .cell.light {
  background: linear-gradient(135deg, #f5e6c8 0%, #edd9b3 50%, #e8d1a5 100%);
}

.post-record-replay .record-chess-board .cell.dark {
  background: linear-gradient(135deg, #b88b4a 0%, #a67c41 50%, #8f6a38 100%);
}

.post-record-replay .record-chess-board .cell.last-move {
  background: linear-gradient(135deg, #c8e896 0%, #a9d46a 50%, #8bc34a 100%) !important;
}

.post-record-replay .record-chess-board .piece {
  width: 85%;
  height: 85%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-record-replay .record-chess-board .piece svg {
  width: 100%;
  height: 100%;
}

/* Janggi record replay (reuse records page look without loading game lobby CSS) */
.post-record-replay .record-janggi-board-shell {
  position: relative;
  width: min(100%, 700px);
  aspect-ratio: 711 / 650;
  margin: 0 auto;
  padding: 14px;
  background: #dfbe62;
  border-radius: 10px;
  border: 1px solid rgba(72, 39, 0, 0.22);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32), inset 0 0 0 1px rgba(72, 39, 0, 0.22);
}

.post-record-replay .record-janggi-board {
  display: grid;
  width: 100%;
  height: 100%;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  grid-template-rows: repeat(10, minmax(0, 1fr));
}

.post-record-replay .record-board-lines {
  position: absolute;
  top: 14px;
  left: 14px;
  width: calc(100% - 28px);
  height: calc(100% - 28px);
  pointer-events: none;
  z-index: 1;
}

.post-record-replay .record-janggi-board .cell {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
  cursor: default;
}

.post-record-replay .record-janggi-board .piece {
  width: min(80%, 52px);
  height: min(80%, 52px);
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: clamp(16px, 2.4vw, 28px);
  font-family: 'Noto Serif KR', 'Batang', serif;
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
  border: none;
  position: relative;
  transition: none;
  filter: drop-shadow(2px 3px 3px rgba(0, 0, 0, 0.5));
}

.post-record-replay .record-janggi-board .piece::before {
  content: '';
  position: absolute;
  top: 1px;
  left: 1px;
  right: 1px;
  bottom: 1px;
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
  background:
    radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.9) 0%, transparent 50%),
    linear-gradient(150deg, #f5ecd8 0%, #e8dcc0 40%, #d8c8a0 100%);
  z-index: -1;
}

.post-record-replay .record-janggi-board .piece.cho {
  background: linear-gradient(145deg, #d42040 0%, #a01830 50%, #801020 100%);
  color: #a01525;
  text-shadow: 0.5px 0.5px 0 rgba(255,255,255,0.8), -0.5px -0.5px 0 rgba(255,255,255,0.5);
}

.post-record-replay .record-janggi-board .piece.han {
  background: linear-gradient(145deg, #2a8a2a 0%, #1a6a1a 50%, #0a4a0a 100%);
  color: #1a5a1a;
  text-shadow: 0.5px 0.5px 0 rgba(255,255,255,0.8), -0.5px -0.5px 0 rgba(255,255,255,0.5);
}

.post-record-replay .record-janggi-board .piece.piece-king {
  width: min(82%, 54px);
  height: min(82%, 54px);
  font-size: clamp(17px, 2.6vw, 30px);
}

.post-record-replay .record-janggi-board .piece.piece-small {
  width: min(64%, 42px);
  height: min(64%, 42px);
  font-size: clamp(13px, 2vw, 22px);
}

.post-record-replay .record-janggi-board .cell.last-move-cell-cho {
  background: radial-gradient(circle, rgba(255, 0, 0, 0.32) 0%, rgba(255, 0, 0, 0.1) 55%, transparent 75%) !important;
}

.post-record-replay .record-janggi-board .cell.last-move-cell-han {
  background: radial-gradient(circle, rgba(0, 255, 0, 0.32) 0%, rgba(0, 255, 0, 0.1) 55%, transparent 75%) !important;
}

.vote-buttons {
  display: flex;
  gap: 12px;
}

.vote-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.vote-btn.up:hover, .vote-btn.up.voted {
  background: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
  color: #10b981;
}

.vote-btn.down:hover, .vote-btn.down.voted {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  color: #ef4444;
}

/* Comments Section */
.comments-section {
  margin-top: 24px;
}

.comments-header {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.comment-input-area {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.comment-input-area textarea {
  flex: 1;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 14px;
  resize: vertical;
  min-height: 60px;
}

.comment-input-area textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comment-item {
  padding: 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.comment-author {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.comment-date {
  font-size: 12px;
  color: var(--text-secondary);
}

.comment-content {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.6;
}

.comment-actions {
  margin-top: 8px;
  display: flex;
  gap: 12px;
}

.comment-action-btn {
  font-size: 12px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.comment-action-btn:hover {
  color: var(--primary);
}

/* Write Post Modal */
.write-post-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.write-post-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.write-post-form label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.write-post-form select,
.write-post-form input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 14px;
}

.write-post-form select:focus,
.write-post-form input:focus,
.write-post-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.write-post-form textarea {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 14px;
  resize: vertical;
  min-height: 200px;
  line-height: 1.6;
}

/* Hide right sidebar */
@media (max-width: 1024px) {
  .board-sidebar-right {
    display: none;
  }

  .board-container {
    grid-template-columns: 160px 1fr;
  }

  .board-content {
    width: 100%;
    overflow-x: auto;
  }

  .post-table-header {
    grid-template-columns: 50px 80px 1fr 100px 80px 60px 50px;
  }

  .post-table .post-item {
    grid-template-columns: 50px 80px 1fr 100px 80px 60px 50px;
  }
}

/* Hide left sidebar */
@media (max-width: 820px) {
  .board-sidebar-left {
    display: none;
  }

  .board-container {
    grid-template-columns: 1fr;
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .board-ad-bottom {
    padding: 0 12px 12px;
  }

  .board-header-section .board-title {
    font-size: 20px;
  }

  .category-tabs {
    gap: 6px;
  }

  .category-tab {
    padding: 8px 12px;
    font-size: 13px;
  }

  .category-tab .category-icon {
    display: none;
  }

  .board-container {
    padding: 12px;
  }

  .board-actions {
    flex-wrap: nowrap;
    gap: 8px;
  }

  .board-search {
    min-width: 0;
  }

  .board-search input {
    width: 120px;
    min-width: 80px;
  }

  .post-table-header {
    display: none;
  }

  .post-table .post-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
  }

  .post-table .post-num {
    display: none;
  }

  .post-table .post-category {
    align-self: flex-start;
  }

  .post-table .post-title {
    font-size: 15px;
    white-space: normal;
    order: -1;
  }

  .post-table .post-author,
  .post-table .post-date,
  .post-table .post-views,
  .post-table .post-votes {
    display: inline;
    font-size: 12px;
  }

  .pagination button {
    padding: 6px 10px;
    font-size: 13px;
  }

  .post-record-board {
    --cell: min(5.4vw, 20px);
  }
}

@media (max-width: 480px) {
  .board-container {
    padding: 8px;
  }

  .board-ad-bottom {
    padding: 0 8px 8px;
  }

  .board-header-section .board-title {
    font-size: 18px;
  }

  .category-tab {
    padding: 6px 10px;
    font-size: 12px;
  }

  .btn-back-inline {
    padding: 6px 10px;
    font-size: 12px;
  }

  .post-record-replay {
    padding: 10px;
  }

  .post-record-board {
    --cell: min(5vw, 18px);
    padding: calc(var(--cell) / 2 + 6px);
  }

  .post-record-board::before,
  .post-record-board::after {
    top: calc(var(--cell) + 6px);
    left: calc(var(--cell) + 6px);
    right: calc(var(--cell) + 6px);
    bottom: calc(var(--cell) + 6px);
  }
}