/* ========================================
   釣り友達機能 - フォロー/フォロワー/タイムライン
   ======================================== */

/* ----------------------------------------
   共通コンテナ
   ---------------------------------------- */
.follow-container {
  max-width: var(--layout-width-compact);
  margin: 0 auto;
  padding: 20px 16px 32px;
}

.timeline-container {
  max-width: var(--layout-width-compact);
  margin: 0 auto;
  padding: 20px 16px 32px;
}

/* ----------------------------------------
   戻るリンク
   ---------------------------------------- */
.follow-back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  margin-bottom: 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

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

/* ----------------------------------------
   ページヘッダー
   ---------------------------------------- */
.follow-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.follow-page-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.follow-page-title i {
  margin-right: 6px;
  color: var(--color-primary);
}

.follow-page-count {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ----------------------------------------
   フォローボタン
   ---------------------------------------- */
.follow-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  font-family: inherit;
}

.follow-btn:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.follow-btn--following {
  background: transparent;
  color: var(--color-primary);
}

.follow-btn--following:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: transparent;
}

.follow-btn--sm {
  padding: 4px 12px;
  font-size: 0.8125rem;
}

/* プロフィールページ用：統計行に馴染むコンパクトボタン */
.follow-btn--profile {
  padding: 5px 16px;
  font-size: 0.8125rem;
  border-width: 1.5px;
  border-radius: 16px;
}

.follow-back-hint {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ----------------------------------------
   釣り友達バッジ
   ---------------------------------------- */
.follow-friend-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--color-status-confirmed-bg);
  color: var(--color-status-confirmed-text);
  white-space: nowrap;
}

/* ----------------------------------------
   ユーザーカード
   ---------------------------------------- */
.follow-user-list {
  display: flex;
  flex-direction: column;
}

.follow-user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.follow-user-card:last-child {
  border-bottom: none;
}

.follow-user-icon {
  flex-shrink: 0;
}

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

.follow-user-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  text-decoration: none;
  display: block;
  overflow-wrap: anywhere;
}

.follow-user-name:hover {
  color: var(--color-primary);
}

.follow-user-bio {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  overflow-wrap: anywhere;
  margin-top: 2px;
}

.follow-user-badges {
  flex-shrink: 0;
}

.follow-user-actions {
  flex-shrink: 0;
}

/* ----------------------------------------
   空状態
   ---------------------------------------- */
.follow-empty {
  text-align: center;
  padding: 48px 16px;
  color: var(--color-text-muted);
}

.follow-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.4;
}

.follow-empty p {
  margin: 0;
  font-size: 0.9375rem;
}

/* ----------------------------------------
   タイムラインヘッダー
   ---------------------------------------- */
.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

/* タイムライン内キーワード検索バー */
.timeline-search {
  margin-bottom: 16px;
}

.timeline-search-input-wrapper {
  position: relative;
}

.timeline-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  pointer-events: none;
}

.timeline-search-input {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 10px 40px 10px 38px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--color-text-primary);
  transition: border-color 0.2s;
}

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

.timeline-search-input::placeholder {
  color: var(--color-text-light);
}

.timeline-search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s;
  padding: 0;
  font-size: 0.875rem;
}

.timeline-search-clear:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.timeline-search-status {
  padding: 10px 0 4px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.timeline-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.timeline-title i {
  margin-right: 6px;
  color: var(--color-primary);
}

/* ----------------------------------------
   タイムラインフィードカード
   ---------------------------------------- */
.timeline-feed-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 読み込み完了済みのTurbo Frameをレイアウト上透過にし、子カードがflex gapを受けるようにする。
   loading="lazy"で未読み込みのフレームにはdisplay: contentsを適用しない
   （ボックスが消えるとIntersectionObserverが検出できず遅延読み込みが発火しない） */
.timeline-feed-list turbo-frame[complete] {
  display: contents;
}

.timeline-feed-card {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.timeline-feed-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* 画像コンテナ：オーバーレイの基準 */
.timeline-feed-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.timeline-feed-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.timeline-feed-card-link:hover .timeline-feed-card-image img {
  transform: scale(1.03);
}

/* 画像上のオーバーレイ */
.timeline-feed-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px 14px;
  pointer-events: none;
}

/* 上部：名前 + 日時（上からの多段グラデーション） */
.timeline-feed-card-overlay-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.35) 60%, transparent 100%);
  margin: -12px -14px 0;
  padding: 10px 14px 20px;
}

/* 下部：魚種名 + コメント（下からの多段グラデーション） */
.timeline-feed-card-overlay-bottom {
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
  margin: 0 -14px -12px;
  padding: 28px 14px 10px;
}

.timeline-feed-card-user-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.timeline-feed-card-user {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8), 0 0 8px rgba(0, 0, 0, 0.4);
}

.timeline-feed-card-date {
  font-size: 0.75rem;
  color: #fff;
  flex-shrink: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8), 0 0 8px rgba(0, 0, 0, 0.4);
}

.timeline-feed-card-fish {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 0, 0, 0.5);
}

.timeline-feed-card-ai-badge {
  display: inline-block;
  padding: 1px 5px;
  margin-left: 4px;
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
  background: rgba(139, 92, 246, 0.8);
  border-radius: 4px;
  vertical-align: middle;
  text-shadow: none;
}

.timeline-feed-card-comment {
  font-size: 0.8125rem;
  color: #fff;
  line-height: 1.4;
  margin: 0;
  overflow-wrap: anywhere;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8), 0 0 8px rgba(0, 0, 0, 0.4);
}

.timeline-feed-card-footer {
  padding: 0;
}

/* タイムラインカード内のナイスフィッシュを比率を保って縮小 */
.timeline-feed-card-footer .fish-reaction {
  zoom: 0.75;
  margin-top: 0;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* ----------------------------------------
   タイムライン無限スクロール
   ---------------------------------------- */
.timeline-loading-sentinel {
  display: flex;
  justify-content: center;
  padding: 24px 0;
}

.timeline-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: timeline-spin 0.7s linear infinite;
}

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

/* ----------------------------------------
   タイムライン空状態
   ---------------------------------------- */
.timeline-empty {
  text-align: center;
  padding: 48px 16px;
  color: var(--color-text-muted);
}

.timeline-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.4;
}

.timeline-empty p {
  margin: 0 0 4px;
  font-size: 0.9375rem;
}

.timeline-empty-hint {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.timeline-empty-hint a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.timeline-empty-hint a:hover {
  text-decoration: underline;
}


/* ----------------------------------------
   レスポンシブ
   ---------------------------------------- */
@media (max-width: 768px) {
  /* iOS Safariの自動ズーム防止: font-size < 16pxの入力欄をフォーカスすると
     ページが拡大され、position: fixedのボトムナビが画面外にはみ出す */
  .timeline-search-input {
    font-size: 16px;
  }

  .follow-user-card {
    gap: 10px;
  }

  .follow-user-badges .follow-friend-badge {
    font-size: 0.625rem;
    padding: 1px 6px;
  }

  .timeline-feed-card-overlay {
    padding: 10px 12px;
  }

  .timeline-feed-card-overlay-top {
    margin: -10px -12px 0;
    padding: 8px 12px 18px;
  }

  .timeline-feed-card-overlay-bottom {
    margin: 0 -12px -10px;
    padding: 24px 12px 8px;
  }
}