/* jj-price-manager: Navigation — Structural CSS */

.jjpm-nav {
  margin: 1.5em 0 2.5em;
  padding: 1.25em 1.5em;
  background: var(--jjpm-bg-alt, #f5f5f5);
  border-radius: 8px;
}

/* カテゴリ見出し */
.jjpm-nav__cat-link {
  display: block;
  font-size: 1em;
  font-weight: 700;
  color: var(--jjpm-primary, #333);
  text-decoration: none;
  padding: 0.5em 0;
  border-bottom: 2px solid var(--jjpm-primary-light, #ddd);
  margin-top: 1em;
  transition: opacity 0.3s;
}
.jjpm-nav__category:first-child .jjpm-nav__cat-link { margin-top: 0; }
.jjpm-nav__cat-link:hover { opacity: 0.7; }

/* 子項目リスト — 列数は CSS変数で制御 */
.jjpm-nav__list {
  list-style: none; margin: 0.5em 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 0.15em 0;
}
.jjpm-nav__list li { width: calc(100% / var(--jjpm-columns, 4)); }

/* 項目リンク */
.jjpm-nav__item {
  display: flex; align-items: baseline; gap: 0.25em;
  font-size: 0.875em;
  color: var(--jjpm-text-light, #999);
  text-decoration: none;
  padding: 0.15em 0.5em;
  transition: color 0.3s;
  line-height: 1.4;
}
.jjpm-nav__item::before {
  content: "\203A"; /* › */
  color: var(--jjpm-primary, #333);
  font-size: 1.2em; font-weight: 700;
  flex-shrink: 0;
}
.jjpm-nav__item:hover { color: var(--jjpm-primary, #333); }

/* タブボタン */
.jjpm-nav__tabs { display: flex; flex-wrap: wrap; gap: 0.25em; margin-top: 0.15em; padding-left: 1em; }
.jjpm-nav__tab-btn {
  display: inline-block; font-size: 0.75em;
  color: var(--jjpm-primary, #333);
  text-decoration: none;
  padding: 0.15em 0.5em;
  border: 1px solid var(--jjpm-primary, #333);
  border-radius: 4px;
  line-height: 1.2;
  transition: background 0.2s;
}
.jjpm-nav__tab-btn:hover { background: var(--jjpm-primary-light, #f0f0f0); }

/* PC: アクションボタン非表示 */
.jjpm-nav__cat-actions { display: none; }

/* ─── SP ─── */
@media (max-width: 767px) {
  .jjpm-nav { padding: 1em; }
  .jjpm-nav__list li { width: 100%; }
  .jjpm-nav__cat-link { font-size: 0.875em; }
  .jjpm-nav__item { font-size: 0.75em; }

  /* アコーディオン */
  .jjpm-nav__list { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; margin-top: 0; }
  .jjpm-nav__category.is-open .jjpm-nav__list { max-height: 500px; margin-top: 0.5em; }

  /* アクションボタン表示 */
  .jjpm-nav__category { position: relative; }
  .jjpm-nav__cat-actions {
    display: flex; position: absolute; top: 0.5em; right: 0; gap: 0.25em;
  }
  .jjpm-nav__btn {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--jjpm-border, #e0e0e0);
    border-radius: 4px; background: transparent;
    color: var(--jjpm-text-light, #999);
    cursor: pointer; padding: 0; transition: background 0.2s, transform 0.2s;
  }
  .jjpm-nav__btn .material-icons { font-size: 18px; }
  .jjpm-nav__btn:hover { background: var(--jjpm-primary-light, #f0f0f0); }
  .jjpm-nav__category.is-open .jjpm-nav__btn--toggle {
    transform: rotate(180deg); background: var(--jjpm-primary-light, #f0f0f0);
  }
  .jjpm-nav__tabs { padding-left: 1.25em; }
}