/**
 * Community Feed Page
 */

.tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--spacing-md);
}

.tabs__btn {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-normal);
}

.tabs__btn:hover {
  color: var(--text-primary);
}

.tabs__btn--active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Search bar */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.search-bar__select {
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  appearance: auto;
}

.search-bar__select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.search-bar__icon {
  font-size: 20px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.search-bar__input {
  flex: 1;
  min-width: 0;
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: none;
  border: none;
  outline: none;
}

.search-bar__input::placeholder {
  color: var(--text-secondary);
}

.search-bar__clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.search-bar__clear:hover {
  background: var(--border-light);
  color: var(--text-primary);
}

.search-bar__clear .material-icons {
  font-size: 18px;
}

/* User search result card */
.user-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-card:hover {
  background: var(--bg);
}

.user-card:active {
  background: var(--border-light);
}

.user-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--border);
  flex-shrink: 0;
}

.user-card__avatar-placeholder {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 600;
  flex-shrink: 0;
}

.user-card__info {
  flex: 1;
  min-width: 0;
}

.user-card__nickname {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

.user-card__bio {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.user-card__arrow {
  font-size: 20px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* Trending Hashtags */
.trending-hashtags {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.trending-hashtags__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-xs) 0;
}

.trending-hashtags__title .material-icons {
  font-size: 16px;
}

.trending-hashtags__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.hashtag-chip {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px 10px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-light, rgba(1, 138, 190, 0.08));
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.hashtag-chip:hover {
  background: var(--primary);
  color: var(--surface);
}

.hashtag-chip:focus {
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.hashtag-chip__count {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-left: 2px;
}

.hashtag-chip:hover .hashtag-chip__count {
  color: var(--surface);
  opacity: 0.8;
}

/* Hashtag filter bar */
.hashtag-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-light, rgba(1, 138, 190, 0.08));
  border-bottom: 1px solid var(--border);
}

.hashtag-filter__label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--primary);
}

.hashtag-filter__label .material-icons {
  font-size: 18px;
}

.hashtag-filter__clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.hashtag-filter__clear:hover {
  background: var(--border-light);
  color: var(--text-primary);
}

.hashtag-filter__clear .material-icons {
  font-size: 18px;
}

/* PC에서 피드형 콘텐츠 가독성을 위해 max-width 제한 */
.tabs,
.search-bar,
.trending-hashtags,
.hashtag-filter,
.community-main {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.community-main {
  padding-bottom: 80px;
}

.feed {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.post-card {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  padding: var(--spacing-md);
  transition: background var(--transition-fast);
}

.post-card:active {
  background: var(--bg);
}

.post-card:hover {
  box-shadow: var(--shadow-2);
}

.post-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.post-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--border);
}

.post-card__avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.post-card__meta {
  flex: 1;
  min-width: 0;
}

.post-card__user-link {
  font-weight: 600;
  color: var(--text-primary);
}

.post-card__time {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.post-card__reposted-by {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.post-card__content {
  font-size: var(--font-size-base);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: var(--spacing-sm);
}

.post-card__game-score {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.post-card__game-score:hover {
  background: var(--surface);
}

.post-card__game-score .material-icons {
  font-size: 18px;
  vertical-align: middle;
  margin-right: 4px;
}

.post-card__images {
  display: grid;
  gap: 2px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.post-card__images--1 { grid-template-columns: 1fr; }
.post-card__images--2 { grid-template-columns: 1fr 1fr; }
.post-card__images--3,
.post-card__images--4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }

.post-card__images img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.post-card__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-sm);
}

.post-card__action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.post-card__action:hover {
  background: var(--primary-light);
  color: var(--text-primary);
}

.post-card__action:focus {
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.post-card__action .material-icons {
  font-size: 20px;
}

.post-card__action--active {
  color: var(--danger);
}

.post-card__action--repost-active {
  color: var(--success);
}

.load-more {
  padding: var(--spacing-lg);
  text-align: center;
}

.load-more__btn {
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-base);
  color: var(--primary);
  background: var(--surface);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.load-more__btn:hover {
  background: var(--primary-light);
}

.load-more__btn:focus {
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.fab {
  position: fixed;
  right: var(--spacing-lg);
  bottom: var(--spacing-xl);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-3);
  z-index: 100;
  transition: transform var(--transition-normal);
  border: none;
  cursor: pointer;
}

.fab:hover {
  transform: scale(1.05);
  background: var(--primary-hover);
}

.fab:focus {
  box-shadow: var(--shadow-3), 0 0 0 3px var(--focus-ring);
}

.fab .material-icons {
  font-size: 28px;
}

.empty-state,
.error-state {
  padding: var(--spacing-2xl);
  text-align: center;
}

.empty-state__icon,
.error-state__icon {
  font-size: 48px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.error-state__retry-btn {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--primary);
  color: var(--surface);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.error-state__retry-btn:hover {
  background: var(--primary-hover);
}

.error-state__retry-btn:focus {
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.spinner {
  padding: var(--spacing-2xl);
  text-align: center;
}

.spinner__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--spacing-md);
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

/* ========================================
   멘션(@) & 해시태그(#) 링크 스타일
   ======================================== */

.mention-link {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}

.mention-link:hover {
  text-decoration: underline;
}

.hashtag-link {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}

.hashtag-link:hover {
  text-decoration: underline;
}

/* ========================================
   멘션 자동완성 드롭다운
   ======================================== */

.mention-autocomplete {
  position: absolute;
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  z-index: 200;
  display: none;
}

.mention-autocomplete__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.mention-autocomplete__item:hover,
.mention-autocomplete__item--active {
  background: var(--primary-light);
}

.mention-autocomplete__avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: var(--border);
}

.mention-autocomplete__avatar-placeholder {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.mention-autocomplete__nickname {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 500;
}