.card.topic-card {
  background: var(--surface);
  border-radius: 20px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border);
}

.card.topic-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
  border-color: var(--primary);
}

.card.topic-card.pinned {
  border-left: 4px solid #ffc107;
}

.card.topic-card.resolved {
  border-left: 4px solid var(--success);
}

.card.topic-card.locked {
  border-left: 4px solid var(--danger);
}

html[dir="rtl"] .card.topic-card.pinned {
  border-left: none;
  border-right: 4px solid #ffc107;
}

html[dir="rtl"] .card.topic-card.resolved {
  border-left: none;
  border-right: 4px solid var(--success);
}

html[dir="rtl"] .card.topic-card.locked {
  border-left: none;
  border-right: 4px solid var(--danger);
}

.card.topic-card .card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--surface-light);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.25s ease;
}

.card.topic-card .card-header.topic-header-pinned {
  background: linear-gradient(
    135deg,
    rgba(255, 193, 7, 0.15),
    rgba(255, 193, 7, 0.05)
  );
  border-bottom: 2px solid #ffc107;
}

.card.topic-card .card-header.topic-header-resolved {
  background: linear-gradient(
    135deg,
    rgba(46, 196, 182, 0.15),
    rgba(46, 196, 182, 0.05)
  );
  border-bottom: 2px solid var(--success);
}

.card.topic-card .card-header.topic-header-locked {
  background: linear-gradient(
    135deg,
    rgba(230, 57, 70, 0.15),
    rgba(230, 57, 70, 0.05)
  );
  border-bottom: 2px solid var(--danger);
}

.status-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 30px;
  font-size: 0.7rem;
  font-weight: 500;
}

.badge-pinned {
  background: rgba(255, 193, 7, 0.15);
  color: #ffc107;
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-locked {
  background: rgba(230, 57, 70, 0.15);
  color: var(--danger);
  border: 1px solid rgba(230, 57, 70, 0.3);
}

.badge-resolved {
  background: rgba(46, 196, 182, 0.15);
  color: var(--success);
  border: 1px solid rgba(46, 196, 182, 0.3);
}

.topic-actions {
  display: flex;
  gap: 8px;
}

.btn-icon {
  background: var(--surface);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.btn-icon:hover:not(.disabled):not(:disabled) {
  transform: translateY(-2px);
}

.btn-icon.edit-title-btn:hover:not(.disabled):not(:disabled) {
  background: rgba(67, 97, 238, 0.15);
  color: var(--primary);
}

.btn-icon.pin-topic-btn:hover:not(.disabled):not(:disabled),
.btn-icon.unpin-topic-btn:hover:not(.disabled):not(:disabled) {
  background: rgba(255, 193, 7, 0.15);
  color: #ffc107;
}

.btn-icon.lock-topic-btn:hover:not(.disabled):not(:disabled),
.btn-icon.unlock-topic-btn:hover:not(.disabled):not(:disabled) {
  background: rgba(230, 57, 70, 0.15);
  color: var(--danger);
}

.btn-icon.resolve-topic-btn:hover:not(.disabled):not(:disabled) {
  background: rgba(46, 196, 182, 0.15);
  color: var(--success);
}

.btn-icon.delete-topic-btn:hover:not(.disabled):not(:disabled) {
  background: rgba(230, 57, 70, 0.15);
  color: var(--danger);
}

.btn-icon.disabled,
.btn-icon:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.card.topic-card .card-body {
  display: flex;
  gap: 20px;
  padding: 20px;
  align-items: flex-start;
}

.topic-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.topic-icon i {
  font-size: 1.6rem;
  color: white;
}

.topic-content {
  flex: 1;
  min-width: 0;
}

.topic-title {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.topic-link:hover {
  color: var(--primary);
}

.new-posts-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  cursor: pointer;
}

.new-dot {
  width: 10px;
  height: 10px;
  background-color: #3b82f6;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.5);
  animation: pulse-blue 2s infinite;
}

.new-dot:hover {
  transform: scale(1.2);
}

@keyframes pulse-blue {
  0% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0);
    transform: scale(1.1);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    transform: scale(1);
  }
}

html[dir="rtl"] .new-posts-badge {
  margin-left: 0;
  margin-right: 8px;
}

.topic-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-muted);
}

.meta-item i {
  font-size: 0.7rem;
  width: 14px;
  color: var(--text-muted);
  opacity: 0.7;
}

.meta-item .stat-value {
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--text-primary);
}

.meta-item .stat-label {
  color: var(--text-muted);
  font-size: 0.7rem;
}

.meta-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

.meta-separator {
  color: var(--border);
  font-size: 0.7rem;
  opacity: 0.5;
}

.topic-last-poster {
  flex-shrink: 0;
  width: 170px;
}

.last-poster-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-light);
  padding: 6px 10px;
  border-radius: 12px;
  transition: all 0.2s ease;
  width: 100%;
  box-sizing: border-box;
}

.last-poster-card:hover {
  background: rgba(67, 97, 238, 0.08);
}

.last-poster-avatar {
  position: relative;
  flex-shrink: 0;
}

.last-poster-avatar img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.last-poster-avatar .user-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--surface-light);
}

.last-poster-avatar .user-status.online {
  background: var(--success);
}

.last-poster-avatar .user-status.offline {
  background: var(--text-muted);
}

.last-poster-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.last-poster-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 5px;
}

.last-poster-name i {
  font-size: 0.65rem;
  color: var(--primary);
  opacity: 0.8;
}

.last-poster-time {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 4px;
}

.last-poster-time i {
  font-size: 0.6rem;
  opacity: 0.7;
}

.card.topic-card .card-footer {
  display: none;
  padding: 12px 16px;
  background: var(--surface-light);
  border-top: 1px solid var(--border-light);
}

.footer-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.card.topic-card .card-footer .btn-warning,
.card.topic-card .card-footer .btn-success,
.card.topic-card .card-footer .btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 40px;
  font-size: 0;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  min-width: 44px;
  min-height: 44px;
}

.card.topic-card .card-footer .btn-warning i,
.card.topic-card .card-footer .btn-success i,
.card.topic-card .card-footer .btn-danger i {
  font-size: 1.1rem;
  margin: 0;
}

.card.topic-card .card-footer .btn-warning span,
.card.topic-card .card-footer .btn-success span,
.card.topic-card .card-footer .btn-danger span {
  display: none;
}

.card.topic-card .card-footer .btn-warning:hover,
.card.topic-card .card-footer .btn-success:hover,
.card.topic-card .card-footer .btn-danger:hover {
  transform: translateY(-2px);
  filter: brightness(0.95);
}

.card.topic-card .card-footer .btn-warning {
  background: linear-gradient(135deg, var(--warning), #e67e22);
  color: #000;
}

.card.topic-card .card-footer .btn-success {
  background: linear-gradient(135deg, var(--success), #1e8c7c);
  color: white;
}

.card.topic-card .card-footer .btn-danger {
  background: linear-gradient(135deg, var(--danger), #c82333);
  color: white;
}

.card.topic-card .card-footer .btn-warning:disabled,
.card.topic-card .card-footer .btn-success:disabled,
.card.topic-card .card-footer .btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

@media (max-width: 1024px) and (min-width: 769px) {
  .card.topic-card .card-body {
    gap: 15px;
  }

  .topic-icon {
    width: 40px;
    height: 40px;
  }

  .topic-icon i {
    font-size: 1.2rem;
  }

  .topic-last-poster {
    width: 160px;
  }

  .last-poster-avatar img {
    width: 35px;
    height: 35px;
  }

  .meta-item .stat-label {
    display: none;
  }
}

@media (max-width: 768px) {
  .card.topic-card .card-body {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
  }

  .topic-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 12px;
  }

  .topic-icon i {
    font-size: 1.8rem;
  }

  .topic-content {
    text-align: center;
    width: 100%;
  }

  .topic-title {
    justify-content: center;
  }

  .topic-meta {
    justify-content: center;
  }

  .topic-last-poster {
    width: 100%;
    margin-top: 12px;
  }

  .last-poster-card {
    justify-content: center;
    max-width: 200px;
    margin: 0 auto;
  }

  .last-poster-info {
    text-align: left;
  }

  .meta-item .stat-label {
    display: inline;
  }

  .topic-actions {
    display: none;
  }

  .card.topic-card .card-footer {
    display: block;
  }

  .card.topic-card .card-footer .btn-warning,
  .card.topic-card .card-footer .btn-success,
  .card.topic-card .card-footer .btn-danger {
    padding: 10px 12px;
    min-width: 44px;
    min-height: 44px;
  }

  .card.topic-card .card-footer .btn-warning i,
  .card.topic-card .card-footer .btn-success i,
  .card.topic-card .card-footer .btn-danger i {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .card.topic-card .card-body {
    padding: 14px;
  }

  .topic-link {
    font-size: 0.95rem;
  }

  .topic-meta {
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .meta-separator {
    display: none;
  }

  .last-poster-card {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .last-poster-info {
    text-align: center;
  }

  .footer-actions {
    gap: 8px;
  }

  .card.topic-card .card-footer .btn-warning,
  .card.topic-card .card-footer .btn-success,
  .card.topic-card .card-footer .btn-danger {
    padding: 8px 10px;
    min-width: 40px;
    min-height: 40px;
  }

  .card.topic-card .card-footer .btn-warning i,
  .card.topic-card .card-footer .btn-success i,
  .card.topic-card .card-footer .btn-danger i {
    font-size: 0.9rem;
  }

  .new-dot {
    width: 8px;
    height: 8px;
  }
}

html[dir="rtl"] .card.topic-card .card-body {
  text-align: right;
}

html[dir="rtl"] .last-poster-avatar .user-status {
  right: auto;
  left: 0;
}

html[dir="rtl"] .last-poster-info {
  text-align: right;
}

html[dir="rtl"] .meta-item i {
  margin-left: 5px;
  margin-right: 0;
}

@media (max-width: 768px) {
  html[dir="rtl"] .last-poster-info {
    text-align: center;
  }

  html[dir="rtl"] .topic-title {
    justify-content: center;
  }
}