/* ===================================================
   Typing Videos Section - "打ってみた" Card Grid & Modal
   =================================================== */

/* --- Section Header with Post Button --- */
.tv-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tv-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tv-section-title h2 {
  margin: 0;
}

.tv-header-post-btn {
  padding: 0.4rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: var(--text-on-accent);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease;
  flex-shrink: 0;
}

.tv-header-post-btn:hover {
  opacity: 0.85;
}

/* --- Card Grid --- */
.detail-typing-videos {
  margin-bottom: 2rem;
}

.tv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 1rem;
}

/* --- Card --- */
.tv-card {
  border-radius: var(--card-radius);
  background: var(--card-bg);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tv-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--player-float-shadow);
}

/* --- Thumbnail --- */
.tv-thumb-link {
  display: block;
  text-decoration: none;
}

.tv-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--code-bg);
  overflow: hidden;
}

.tv-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tv-thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-muted);
  font-size: 2rem;
}

.tv-platform-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--card-overlay-bg);
  color: var(--card-overlay-fg);
  backdrop-filter: blur(4px);
}

/* --- Info --- */
.tv-info {
  padding: 0.6rem 0.75rem;
}

.tv-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  text-decoration: none;
  margin-bottom: 0.3rem;
}

.tv-title:hover {
  color: var(--accent);
}

.tv-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tv-user {
  color: var(--text-muted);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 50%;
}

.tv-user:hover {
  color: var(--accent);
}

.tv-stats {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.tv-views {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

/* 一覧カードのいいね数アイコン (計画書 165 §3.4)。
   歌詞 / 単語帳でカード partial を共有するにあたり、ERB の
   inline style="color: #e53e3e" をトークン参照のクラスへ移した。 */
.tv-like-icon {
  color: var(--color-danger);
}

/* --- Like Button --- */
.tv-like-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 0;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: color 0.15s ease;
}

.tv-like-btn:hover {
  color: var(--color-danger);
}

.tv-like-btn.liked {
  color: var(--color-danger);
}

/* --- More Button --- */
.tv-more {
  text-align: center;
  margin-top: 0.5rem;
}

.tv-more-btn {
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tv-more-btn:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

/* --- Empty State --- */
.tv-empty {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.tv-empty-icon {
  display: block;
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.tv-empty p {
  margin: 0 0 0.3rem;
}

.tv-empty-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===================================================
   Modal
   —— .tv-modal 系の骨格は application.css に集約済み（レイアウトが常に読む）。
   ここにはこのページ固有のフォーム部品だけを残す
   =================================================== */
.tv-form-group {
  margin-bottom: 1rem;
}

.tv-form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.tv-form-group input,
.tv-form-group textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
  box-sizing: border-box;
}

.tv-form-group input:focus,
.tv-form-group textarea:focus {
  border-color: var(--accent);
}

.tv-form-hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* --- Preview --- */
.tv-preview {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border-radius: 8px;
  background: var(--hover-bg);
}

.tv-preview-thumb {
  width: 120px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--code-bg);
}

.tv-preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tv-preview-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* --- Error --- */
.tv-form-error {
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  background: rgba(var(--color-danger-rgb), 0.12);
  color: var(--color-danger);
  font-size: 0.8rem;
}

.tv-cancel-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
}

.tv-cancel-btn:hover {
  background: var(--hover-bg);
}

.tv-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: var(--text-on-accent);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.tv-submit-btn:hover {
  opacity: 0.9;
}

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

/* ===================================================
   Post Guide (shared across index + ranking pages)
   =================================================== */
.tvi-post-guide {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.tvi-post-guide i {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===================================================
   Responsive
   =================================================== */
@media (max-width: 768px) {
  .tv-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .tv-info {
    padding: 0.5rem 0.6rem;
  }

  .tv-title {
    font-size: 0.8rem;
  }

  .tv-header-post-btn {
    padding: 0.35rem 0.8rem;
    font-size: 0.75rem;
  }

  .tvi-post-guide {
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
  }
}