/* ========================================
   4象限ジェネレーター - カスタムCSS
   ======================================== */

/* --- 縦書き --- */
.writing-vertical {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.1em;
}

/* --- プレビューエリア共通 --- */
.preview-area {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

/* --- マトリクス --- */
.matrix-container {
  min-height: 300px;
  position: relative;
  overflow: hidden;
}

/* --- アイテムカード（マトリクス内） --- */
.item-card {
  position: absolute;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 26px;
  line-height: 1.4;
  white-space: nowrap;
  max-width: 45%;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: grab;
  user-select: none;
  touch-action: none;
  z-index: 10;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  transition: box-shadow 0.15s ease;
}
.item-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.item-card.dragging {
  opacity: 0.85;
  z-index: 100;
  cursor: grabbing;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* --- アイテム削除ボタン --- */
.item-card .delete-btn {
  display: none;
  position: absolute;
  top: -8px;
  right: -8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ef4444;
  color: #fff;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  cursor: pointer;
  border: none;
  padding: 0;
  z-index: 20;
}
.item-card:hover .delete-btn {
  display: block;
}

/* --- ドラッグ可能カーソルヒント --- */
.item-card::after {
  content: '⠿';
  position: absolute;
  top: 2px;
  left: 3px;
  font-size: 9px;
  color: rgba(0,0,0,0.2);
  pointer-events: none;
}
[data-theme="dark"] .item-card::after {
  color: rgba(255,255,255,0.2);
}

/* --- SNSボタン --- */
.sns-btn {
  transition: transform 0.1s ease;
}
.sns-btn:active {
  transform: scale(0.93);
}

/* --- テーマ選択ボタン --- */
.theme-btn.active {
  border-color: #3b82f6 !important;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.4);
}

/* ========================================
   テーマ定義（CSS変数）
   プレビューエリア内でのみ適用
   ======================================== */

/* テーマ1: ライト（デフォルト） */
[data-theme="light"] {
  --bg-main: #FFFFFF;
  --color-title: #1a1a1a;
  --color-label: #1a1a1a;
  --bg-card: #FFFFFF;
  --color-card-text: #1a1a1a;
  --bg-quadrant: #FAFAFA;
  --color-divider: #CCCCCC;
  --border-matrix: #BBBBBB;
}

/* テーマ2: ダーク */
[data-theme="dark"] {
  --bg-main: #111111;
  --color-title: #E04040;
  --color-label: #CC3333;
  --bg-card: #2a2a2a;
  --color-card-text: #E0E0E0;
  --bg-quadrant: #1a1a1a;
  --color-divider: #444444;
  --border-matrix: #555555;
}

/* テーマ3: ピンク */
[data-theme="pink"] {
  --bg-main: #FFF0F5;
  --color-title: #C2185B;
  --color-label: #D81B60;
  --bg-card: #FFFFFF;
  --color-card-text: #880E4F;
  --bg-quadrant: #FCE4EC;
  --color-divider: #F48FB1;
  --border-matrix: #F06292;
}

/* テーマ4: スカイブルー */
[data-theme="sky"] {
  --bg-main: #F0F8FF;
  --color-title: #1565C0;
  --color-label: #1976D2;
  --bg-card: #FFFFFF;
  --color-card-text: #0D47A1;
  --bg-quadrant: #E3F2FD;
  --color-divider: #90CAF9;
  --border-matrix: #64B5F6;
}

/* テーマ5: グレー */
[data-theme="gray"] {
  --bg-main: #F2F2F2;
  --color-title: #333333;
  --color-label: #555555;
  --bg-card: #FFFFFF;
  --color-card-text: #333333;
  --bg-quadrant: #E8E8E8;
  --color-divider: #AAAAAA;
  --border-matrix: #999999;
}

/* --- テーマ変数を適用 --- */
.preview-area {
  background-color: var(--bg-main);
}
.preview-title {
  color: var(--color-title);
}
.preview-label {
  color: var(--color-label);
}
.matrix-container {
  background-color: var(--bg-quadrant);
  border-color: var(--border-matrix);
}
.matrix-line-h,
.matrix-line-v {
  background-color: var(--color-divider);
}
.item-card {
  background-color: var(--bg-card);
  color: var(--color-card-text);
  border: 1px solid var(--color-divider);
}

/* ========================================
   Amazonアフィリエイト カルーセル
   ======================================== */
.affiliate-track-wrapper {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.affiliate-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: affiliate-scroll 35s linear infinite;
}

.affiliate-track:hover {
  animation-play-state: paused;
}

/* 楽天行: 逆方向スクロール */
.affiliate-track--reverse {
  animation-direction: reverse;
}

@keyframes affiliate-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.affiliate-card {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fffbeb;
  border: 1.5px solid #f59e0b;
  border-radius: 999px;
  padding: 8px 18px;
  white-space: nowrap;
  text-decoration: none;
  color: #92400e;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.affiliate-card:hover {
  background: #fef3c7;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
}

/* 楽天ウィジェットアイテム */
.rakuten-item {
  flex-shrink: 0;
  align-self: center;
}

.rakuten-item:hover {
  opacity: 0.85;
  transform: translateY(-2px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

/* 楽天カード（赤系） */
.affiliate-card--rakuten {
  background: #fff5f5;
  border-color: #e53e3e;
  color: #742a2a;
}

.affiliate-card--rakuten:hover {
  background: #fed7d7;
  box-shadow: 0 4px 10px rgba(229, 62, 62, 0.3);
}

/* ========================================
   レスポンシブ補正
   ======================================== */
@media (max-width: 768px) {
  .matrix-container {
    min-height: 250px;
  }
}