/* Board Page Styles */

/* Mobile Navigation Styles */
@media (max-width: 768px) {
  .header-top .nav {
    display: none;
  }

  .mobile-nav {
    display: flex;
  }
}

@media (min-width: 769px) {
  .mobile-nav {
    display: none;
  }
}

/* Hero Section */
.board-hero {
  background: linear-gradient(135deg, #1e4da1 0%, #2c5aa0 100%);
  color: white;
  text-align: center;
  padding: 4rem 0;
  margin-bottom: 3rem;
}

.board-hero h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  font-family: "Montserrat", sans-serif;
}

.board-hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Board Content */
.board-content {
  padding: 0 0 3rem 0;
}

/* Board Controls */
.board-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.board-tabs {
  display: flex;
  gap: 0.5rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  background: var(--bg-secondary);
}

.tab-btn.active {
  background: #1e4da1;
  color: white;
  border-color: #1e4da1;
}

.write-btn {
  padding: 0.75rem 1.5rem;
  background: #1e4da1;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s ease;
}

.write-btn:hover {
  background: #2c5aa0;
}

/* Board List */
.board-list {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.board-header {
  display: grid;
  grid-template-columns: 60px 100px 1fr 120px 100px 80px;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  color: var(--text-color);
}

.board-item {
  display: grid;
  grid-template-columns: 60px 100px 1fr 120px 100px 80px;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.3s ease;
  align-items: center;
}

.board-item:hover {
  background: var(--bg-secondary);
}

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

.col-number {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.col-category {
  text-align: center;
}

.category-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
}

.category-badge.notice {
  background: #ff6b6b;
  color: white;
}

.category-badge.review {
  background: #4ecdc4;
  color: white;
}

.category-badge.job {
  background: #f39c12;
  color: white;
}

.category-badge.community {
  background: #45b7d1;
  color: white;
}

.col-title {
  font-weight: 500;
}

.post-link {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.post-link:hover {
  color: #1e4da1;
}

.col-author {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.col-date {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.col-views {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.page-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.page-btn:hover {
  background: var(--bg-secondary);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-numbers {
  display: flex;
  gap: 0.25rem;
}

.page-number {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.page-number:hover {
  background: var(--bg-secondary);
}

.page-number.active {
  background: #1e4da1;
  color: white;
  border-color: #1e4da1;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: #1e4da1;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(30, 77, 161, 0.3);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: #2c5aa0;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 77, 161, 0.4);
}

/* Dark Mode */
[data-theme="dark"] .board-hero {
  background: linear-gradient(135deg, #1a3d8a 0%, #2a4a8f 100%);
}

[data-theme="dark"] .tab-btn {
  background: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-color);
}

[data-theme="dark"] .tab-btn:hover {
  background: var(--bg-secondary);
}

[data-theme="dark"] .tab-btn.active {
  background: #1e4da1;
  color: white;
}

[data-theme="dark"] .board-list {
  background: var(--card-bg);
  border-color: var(--border-color);
}

[data-theme="dark"] .board-header {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-color);
}

[data-theme="dark"] .board-item {
  border-color: var(--border-color);
}

[data-theme="dark"] .board-item:hover {
  background: var(--bg-secondary);
}

[data-theme="dark"] .post-link {
  color: var(--text-color);
}

[data-theme="dark"] .post-link:hover {
  color: #1e4da1;
}

[data-theme="dark"] .page-btn,
[data-theme="dark"] .page-number {
  background: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-color);
}

[data-theme="dark"] .page-btn:hover,
[data-theme="dark"] .page-number:hover {
  background: var(--bg-secondary);
}

[data-theme="dark"] .page-number.active {
  background: #1e4da1;
  color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
  .board-hero h2 {
    font-size: 2rem;
  }

  .board-hero p {
    font-size: 1rem;
  }

  .board-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .board-tabs {
    justify-content: center;
    flex-wrap: wrap;
  }

  .tab-btn {
    flex: 1;
    min-width: 80px;
  }

  .board-header,
  .board-item {
    grid-template-columns: 50px 80px 1fr 100px 80px 60px;
    gap: 0.5rem;
    padding: 0.75rem;
  }

  .col-number,
  .col-author,
  .col-date,
  .col-views {
    font-size: 0.8rem;
  }

  .category-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  .pagination {
    flex-wrap: wrap;
  }

  .page-number {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }

  .scroll-to-top {
    bottom: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .board-hero {
    padding: 3rem 0;
  }

  .board-hero h2 {
    font-size: 1.8rem;
  }

  .board-content {
    padding: 0 0 2rem 0;
  }

  .board-header,
  .board-item {
    grid-template-columns: 40px 70px 1fr 80px 70px 50px;
    gap: 0.25rem;
    padding: 0.5rem;
  }

  .col-title {
    font-size: 0.9rem;
  }

  .col-number,
  .col-author,
  .col-date,
  .col-views {
    font-size: 0.75rem;
  }

  .category-badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
  }

  .page-number {
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
  }

  .scroll-to-top {
    bottom: 70px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }
}