/* ================================
   BLOG スライダー専用CSS
   Blog Slider Specific Styles
================================ */

/* スライダーコンテナの基本設定 */
.riff-blog-slider-container {
  position: relative;
  overflow: hidden;
  margin-bottom: 40px;
}

/* スライダートラックの設定 */
.riff-blog-slider-track {
  display: flex !important;
  width: 100%;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  align-items: stretch;
}

/* スライド要素の基本設定 */
.riff-blog-slide {
  flex: 0 0 auto;
  width: 100%; /* デスクトップのデフォルト */
  padding: 0 15px;
  box-sizing: border-box;
}

/* レスポンシブ対応 */
@media (min-width: 1025px) {
  .riff-blog-slide {
    width: calc(100% / var(--blog-slider-desktop-slides, 3));
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .riff-blog-slide {
    width: calc(100% / var(--blog-slider-tablet-slides, 2));
  }
}

@media (max-width: 768px) {
  .riff-blog-slide {
    width: calc(100% / var(--blog-slider-mobile-slides, 1));
  }
}

/* スライダーの初期化状態 */
.riff-blog-slider-container:not(.slider-initialized) .riff-blog-slider-track {
  transform: none !important;
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.riff-blog-slider-container:not(.slider-initialized) .riff-blog-slide {
  width: auto !important;
  flex: none !important;
  padding: 0 !important;
}

/* ================================
   バー型ナビゲーション（修正版）
================================ */
.riff-blog-slider-dots {
  display: flex !important;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  padding: 20px 0;
  width: 100%;
}

/* バー型ナビゲーション要素 */
.riff-blog-slider-dot {
  width: 40px;
  height: 4px;
  border: none;
  border-radius: 2px;
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  padding: 0;
  outline: none;
  overflow: hidden;
}

.riff-blog-slider-dot::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--primary-color, #007cba),
    var(--accent-color, #ff6b35)
  );
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.riff-blog-slider-dot:hover {
  background: rgba(0, 0, 0, 0.3);
  transform: scaleY(1.5);
}

.riff-blog-slider-dot:hover::after {
  width: 100%;
}

.riff-blog-slider-dot.active {
  background: rgba(0, 0, 0, 0.1);
}

.riff-blog-slider-dot.active::after {
  width: 100%;
}

.riff-blog-slider-dot:focus {
  outline: 2px solid rgba(0, 124, 186, 0.3);
  outline-offset: 4px;
}

/* ブログアイテムの高さ統一 */
.riff-blog-slide .riff-blog-item-enhanced {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.riff-blog-slide .riff-blog-link-enhanced {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.riff-blog-slide .riff-blog-content-enhanced {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* スライダーの強制設定 */
.riff-blog-slider-container.slider-initialized .riff-blog-slider-track {
  display: flex !important;
  flex-wrap: nowrap !important;
  align-items: stretch !important;
}

.riff-blog-slider-container.slider-initialized .riff-blog-slide {
  flex-shrink: 0 !important;
  display: block !important;
}

/* スライダートラックのカーソルと操作性 */
.riff-blog-slider-track {
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.riff-blog-slider-track:active {
  cursor: grabbing;
}

/* スライダーのスムーズトランジション */
.riff-blog-slider-container.slider-initialized .riff-blog-slider-track {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* スライド要素のフォーカス管理 */
.riff-blog-slide[aria-hidden="true"] {
  visibility: hidden;
}

.riff-blog-slide[aria-hidden="false"] {
  visibility: visible;
}

/* レスポンシブ調整 */
@media (max-width: 768px) {
  .riff-blog-slider-dots {
    margin-top: 30px;
    gap: 6px;
  }

  .riff-blog-slider-dot {
    width: 30px;
    height: 3px;
  }

  .riff-blog-slide {
    padding: 0 10px;
  }

  .riff-blog-slider-track {
    cursor: default;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .riff-blog-slider-dot {
    width: 35px;
  }

  .riff-blog-slide {
    padding: 0 12px;
  }
}

@media (min-width: 1025px) {
  .riff-blog-slide {
    padding: 0 15px;
  }
}

/* パフォーマンス最適化 */
.riff-blog-slider-track {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.riff-blog-slide {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ドットナビゲーションの確実な表示 */
.riff-blog-slider-dots {
  visibility: visible !important;
  opacity: 1 !important;
  z-index: 10 !important;
  pointer-events: auto !important;
}

/* 印刷対応 */
@media print {
  .riff-blog-slider-dots {
    display: none !important;
  }

  .riff-blog-slider-track {
    transform: none !important;
    display: block !important;
  }

  .riff-blog-slide {
    width: 100% !important;
    flex: none !important;
    page-break-inside: avoid;
    margin-bottom: 20px !important;
  }
}

/* アニメーション削減対応 */
@media (prefers-reduced-motion: reduce) {
  .riff-blog-slider-track,
  .riff-blog-slider-dot {
    transition: none !important;
    animation: none !important;
  }

  .riff-blog-slider-container.slider-initialized .riff-blog-slider-track {
    transition: none !important;
  }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
  .riff-blog-slider-dot {
    border: 1px solid currentColor;
    background: white;
  }

  .riff-blog-slider-dot.active::after {
    background: black;
  }
}

/* ドラッグ中のリンク制御 */
.riff-blog-slider-container.dragging {
  cursor: grabbing !important;
}

.riff-blog-slider-container.dragging .riff-blog-link-enhanced {
  pointer-events: none;
  cursor: grabbing !important;
}

.riff-blog-slider-container.dragging .riff-blog-slider-track {
  cursor: grabbing !important;
}

/* ドラッグ可能であることを示すカーソル */
.riff-blog-slider-track:hover {
  cursor: grab;
}

.riff-blog-slider-track:active {
  cursor: grabbing;
}

/* 記事アイテムのホバー効果をドラッグ中は無効化 */
.riff-blog-slider-container.dragging .riff-blog-item-enhanced:hover {
  transform: none !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08) !important;
}

.riff-blog-slider-container.dragging
  .riff-blog-item-enhanced:hover
  .riff-blog-image-enhanced
  img {
  transform: none !important;
}

.riff-blog-slider-container.dragging .riff-blog-overlay-enhanced {
  opacity: 0 !important;
}

/* タッチデバイスでの改善 */
@media (hover: none) and (pointer: coarse) {
  .riff-blog-slider-track {
    cursor: default;
  }

  .riff-blog-slider-container.dragging {
    cursor: default !important;
  }
}