/* ============================================
   kibou-social-feeds
   YouTube/Instagram/TikTok 共通スタイル
   ============================================ */
:root {
  --ksf-radius: 12px;
  --ksf-gap: 16px;
  --ksf-card-bg: #fff;
  --ksf-border: #e3e3e3;
  --ksf-text: #1a2e2a;
  --ksf-muted: #718096;
}

/* --- YouTube Grid --- */
.ksf-yt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--ksf-gap);
  margin: 20px 0;
}
.ksf-yt-card {
  display: flex;
  flex-direction: column;
  background: var(--ksf-card-bg);
  border: 1px solid var(--ksf-border);
  border-radius: var(--ksf-radius);
  overflow: hidden;
  text-decoration: none !important;
  color: inherit !important;
  transition: transform .2s ease, box-shadow .2s ease;
}
.ksf-yt-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px -8px rgba(0,0,0,.15);
}
.ksf-yt-card:focus-visible {
  outline: 2px solid #ff0000;
  outline-offset: 2px;
}
.ksf-yt-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: #000;
  overflow: hidden;
}
.ksf-yt-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ksf-yt-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
  background: rgba(0,0,0,.75);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  transition: background .2s, transform .2s;
}
.ksf-yt-card:hover .ksf-yt-play {
  background: #ff0000;
  transform: translate(-50%, -50%) scale(1.1);
}
.ksf-yt-meta {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ksf-yt-title {
  font-size: .92rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ksf-text);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ksf-yt-date {
  font-size: .72rem;
  color: var(--ksf-muted);
}

/* --- YouTube Single --- */
.ksf-yt-single {
  margin: 24px auto;
  max-width: 720px;
}
.ksf-yt-single iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  border: 0;
  border-radius: var(--ksf-radius);
}

/* --- Instagram Grid (URL指定型) --- */
.ksf-ig-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--ksf-gap);
  margin: 20px 0;
}

/* --- Instagram Feed (Graph API自動取得型) --- */
.ksf-ig-feed {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ksf-gap);
  margin: 20px 0;
}
.ksf-ig-card {
  display: flex;
  flex-direction: column;
  background: var(--ksf-card-bg);
  border: 1px solid var(--ksf-border);
  border-radius: var(--ksf-radius);
  overflow: hidden;
  text-decoration: none !important;
  color: inherit !important;
  transition: transform .2s, box-shadow .2s;
}
.ksf-ig-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(220, 39, 67, .25);
}
.ksf-ig-thumb {
  position: relative;
  aspect-ratio: 1/1;
  background: #fafafa;
  overflow: hidden;
}
.ksf-ig-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ksf-ig-type {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,.7);
  color: #fff;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: .8rem;
  font-weight: 700;
}
.ksf-ig-meta {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ksf-ig-caption {
  font-size: .78rem;
  line-height: 1.4;
  color: var(--ksf-text);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ksf-ig-date {
  font-size: .68rem;
  color: var(--ksf-muted);
}
@media (max-width: 600px) {
  .ksf-ig-feed { grid-template-columns: repeat(2, 1fr); gap: 8px; }
}

/* --- TikTok --- */
.ksf-tt-single {
  margin: 24px auto;
  max-width: 360px;
}
.ksf-tt-single iframe,
.ksf-tt-single .tiktok-embed {
  margin: 0 auto !important;
}

/* --- Common error --- */
.ksf-error {
  padding: 12px 16px;
  background: #fef2f2;
  border-left: 3px solid #ef4444;
  color: #991b1b;
  border-radius: 4px;
  font-size: .85rem;
}

/* --- SP --- */
@media (max-width: 600px) {
  .ksf-yt-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
  }
  .ksf-yt-title { font-size: .82rem; }
  .ksf-yt-play { width: 44px; height: 44px; font-size: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ksf-yt-card, .ksf-yt-play { transition: none !important; }
}