/* =============================================
   LINE友だち追加 URL / QR 生成ツール v5
   着せ替えスキンシステム
   ============================================= */

.ln-qr {
  --ln-qr-green: #06c755;
  --ln-qr-line: #e5e7eb;
  --ln-qr-text: #1e2430;
  --ln-qr-muted: #6b7380;
  width: 100%;
  max-width: 100% !important;
  padding: 20px 0;
  font-family: -apple-system, 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  -webkit-font-smoothing: antialiased;
}
.post_content .ln-qr { max-width: 100% !important; }

/* --- レイアウト --- */
.ln-qr__layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.ln-qr__panel { flex: 1; min-width: 0; }
.ln-qr__preview {
  flex: 0 0 auto;
  width: 340px;
  position: sticky;
  top: 60px;
}

/* --- セクション --- */
.ln-qr__section { margin-top: 24px; }
.ln-qr__section-title {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ln-qr-text);
  margin-bottom: 10px;
}

/* --- 入力 --- */
.ln-qr__field { display: flex; flex-direction: column; gap: 4px; }
.ln-qr__field--flex { flex: 1; min-width: 0; }
.ln-qr__label { color: #888; font-size: 11px; font-weight: 600; }
.ln-qr__input {
  width: 100%; border: 1px solid var(--ln-qr-line); border-radius: 8px;
  background: #fff; color: var(--ln-qr-text); font-size: 14px;
  padding: 9px 12px; box-sizing: border-box; transition: border-color .15s;
  font-family: inherit;
}
.ln-qr__input--lg { font-size: 16px; padding: 12px 14px; }
.ln-qr__input:focus {
  outline: none; border-color: var(--ln-qr-green);
  box-shadow: 0 0 0 2px rgba(6,199,85,.08);
}
.ln-qr__hint { font-size: 11px; color: var(--ln-qr-muted); margin-top: 2px; }

/* ───────────────────────────────
   テンプレート（横スクロール 1行）
   ─────────────────────────────── */
.ln-qr__templates {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.ln-qr__templates::-webkit-scrollbar { height: 4px; }
.ln-qr__templates::-webkit-scrollbar-thumb {
  background: #ddd; border-radius: 4px;
}

.ln-qr__tpl {
  flex: 0 0 120px;
  display: flex;
  flex-direction: column;
  border: 2px solid transparent;
  border-radius: 10px;
  background: #fafafa;
  cursor: pointer;
  transition: all .2s;
  overflow: hidden;
  text-align: left;
  font-family: inherit;
  padding: 0;
  scroll-snap-align: start;
}
.ln-qr__tpl:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  border-color: #ddd;
}
.ln-qr__tpl.is-active {
  border-color: var(--ln-qr-green);
  box-shadow: 0 0 0 3px rgba(6,199,85,.15);
}

.ln-qr__tpl-preview {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  border-radius: 8px 8px 0 0;
  background: #f0f0f0;
}

.ln-qr__tpl-info {
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.ln-qr__tpl-info strong {
  font-size: 11px;
  font-weight: 700;
  color: var(--ln-qr-text);
  white-space: nowrap;
}
.ln-qr__tpl-info span {
  font-size: 9px;
  color: var(--ln-qr-muted);
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- 詳細カスタマイズ --- */
.ln-qr__details {
  margin-top: 20px;
  border: 1px solid #eee;
  border-radius: 10px;
  overflow: hidden;
}
.ln-qr__details-toggle {
  padding: 10px 14px; font-size: 13px; font-weight: 700;
  color: var(--ln-qr-muted); cursor: pointer; background: #fafafa;
  list-style: none; user-select: none;
}
.ln-qr__details-toggle::-webkit-details-marker { display: none; }
.ln-qr__details-toggle::before {
  content: '▶'; display: inline-block; margin-right: 6px;
  font-size: 9px; transition: transform .2s;
}
.ln-qr__details[open] > .ln-qr__details-toggle::before { transform: rotate(90deg); }

.ln-qr__custom-grid { padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.ln-qr__custom-row { display: flex; gap: 12px; align-items: flex-end; }

/* カラー */
.ln-qr__color-wrap { display: flex; align-items: center; gap: 8px; }
.ln-qr__color-input {
  width: 32px; height: 28px; padding: 1px;
  border: 1px solid var(--ln-qr-line); border-radius: 4px;
  cursor: pointer; background: none;
}
.ln-qr__color-hex {
  font-size: 11px; color: var(--ln-qr-muted);
  font-family: 'SF Mono','Consolas',monospace;
}
.ln-qr__check-group { display: flex; gap: 14px; align-items: center; padding-bottom: 4px; }
.ln-qr__check {
  display: flex; align-items: center; gap: 5px;
  font-size: 12px; color: var(--ln-qr-text); cursor: pointer;
}
.ln-qr__check input { width: 15px; height: 15px; accent-color: var(--ln-qr-green); margin: 0; }

/* --- プレビューカード --- */
.ln-qr__preview-card {
  border-radius: 16px;
  box-shadow: 0 2px 20px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #f5f5f5 25%, transparent 25%),
    linear-gradient(-45deg, #f5f5f5 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #f5f5f5 75%),
    linear-gradient(-45deg, transparent 75%, #f5f5f5 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.ln-qr__canvas { max-width: 100%; height: auto; }
.ln-qr__placeholder {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px; color: #bbb; text-align: center; font-size: 13px;
}

/* --- ダウンロード（プレビュー下） --- */
.ln-qr__dl-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.ln-qr__dl-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 14px; border: 1.5px solid var(--ln-qr-line); border-radius: 8px;
  background: #fff; color: var(--ln-qr-text); font-size: 12px;
  font-weight: 600; cursor: pointer; transition: all .15s; font-family: inherit;
  flex: 1; justify-content: center;
}
.ln-qr__dl-btn:hover { border-color: #bbb; background: #f8f8f8; }
.ln-qr__dl-btn--primary {
  background: var(--ln-qr-green); border-color: var(--ln-qr-green); color: #fff;
  flex: 2;
}
.ln-qr__dl-btn--primary:hover { background: #05a847; }
.ln-qr__dl-btn svg { flex-shrink: 0; }
.ln-qr__message {
  min-height: 14px; margin: 6px 0 0; font-size: 11px; color: var(--ln-qr-muted);
  text-align: center;
}
.ln-qr__message--success { color: var(--ln-qr-green); font-weight: 600; }

/* --- レスポンシブ --- */
@media (max-width: 960px) {
  .ln-qr__layout { flex-direction: column; }
  .ln-qr__preview { width: 100%; position: static; max-width: 400px; margin: 0 auto; }
}
@media (max-width: 640px) {
  .ln-qr__tpl { flex: 0 0 100px; }
  .ln-qr__custom-row { flex-direction: column; }
  .ln-qr__dl-row { flex-wrap: wrap; }
  .ln-qr__dl-btn { width: 100%; justify-content: center; }
}