/**
 * B-management 標準サイドバーレイアウト
 *
 * サイドバー＋メインコンテンツの2カラムレイアウト。
 * モバイルではサイドバーをドロワー化（ハンバーガーで開閉）または上段に折り返し。
 *
 * @version 1.1.0
 * @usage
 *   <div class="bm-sidebar-layout">
 *     <aside class="bm-sidebar-wrap">...</aside>
 *     <div class="bm-sidebar-content">...</div>
 *   </div>
 */

/* ========================================
   レイアウトコンテナ
   ======================================== */
.bm-sidebar-layout {
    display: flex;
    flex-direction: row;
    gap: 20px;
    margin-top: 20px;
    align-items: stretch;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-height: 0;
}

/* サイドバーカラム */
.bm-sidebar-wrap {
    flex: 0 0 var(--bm-sidebar-width, 260px);
    width: var(--bm-sidebar-width, 260px);
    min-width: var(--bm-sidebar-width, 260px);
    max-width: var(--bm-sidebar-width, 260px);
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: sticky;
    top: 20px;
    align-self: start;
    box-sizing: border-box;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.unit_main .bm-sidebar-layout .bm-sidebar-wrap {
    flex: 0 0 var(--bm-sidebar-width, 260px) !important;
    width: var(--bm-sidebar-width, 260px) !important;
    min-width: var(--bm-sidebar-width, 260px) !important;
    max-width: var(--bm-sidebar-width, 260px) !important;
}

/* サイドバーヘッダー（戻るリンク＋タイトル） */
.bm-sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--unit-color, #6b8e7f);
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.bm-sidebar-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s;
}

.bm-sidebar-back:hover {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
}

.bm-sidebar-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    flex: 1;
    min-width: 0;
}

.bm-sidebar-header h3 i {
    margin-right: 8px;
}

/* サイドバーナビゲーション */
.bm-sidebar-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 8px;
}

.bm-sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
}

.bm-sidebar-nav-item {
    margin: 0;
}

.bm-sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    margin: 2px 0;
    border-radius: 6px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s, color 0.2s;
}

.bm-sidebar-nav-link:hover {
    background: #f0f4f8;
    color: #1a1a1a;
}

.bm-sidebar-nav-link.active {
    background: color-mix(in srgb, var(--unit-color, #6b8e7f) 14%, #fff);
    color: var(--unit-color, #4a6b5c);
    font-weight: 600;
}

.bm-sidebar-nav-link.active i {
    color: var(--unit-color, #6b8e7f);
}

.bm-sidebar-nav-link i {
    width: 20px;
    text-align: center;
    color: var(--unit-color, #6b8e7f);
    opacity: 0.9;
}

/* 階層グループ（退会者分析・在籍者分析など） */
.bm-sidebar-nav-group {
    width: 100%;
    flex: 1 1 100%;
}
.bm-sidebar-nav-group-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px 4px;
    margin: 6px 0 0;
    font-size: 12px;
    font-weight: 700;
    color: #666;
    letter-spacing: 0.02em;
}
.bm-sidebar-nav-group-label i {
    width: 20px;
    text-align: center;
    color: var(--unit-color, #6b8e7f);
    opacity: 0.85;
}
.bm-sidebar-nav-group.is-collapsible > .bm-sidebar-nav-group-label {
    width: 100%;
    margin: 2px 0;
    padding: 10px 12px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: inherit;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    appearance: none;
    box-sizing: border-box;
}
.bm-sidebar-nav-group.is-collapsible > .bm-sidebar-nav-group-label:hover {
    background: #f0f4f8;
    color: #1a1a1a;
}
.bm-sidebar-nav-group-caret {
    width: auto !important;
    margin-left: auto;
    font-size: 11px;
    opacity: 0.55;
    transition: transform 0.15s ease;
}
.bm-sidebar-nav-group.is-open > .bm-sidebar-nav-group-label .bm-sidebar-nav-group-caret {
    transform: rotate(180deg);
}
.bm-sidebar-nav-group.is-collapsible:not(.is-open) > .bm-sidebar-nav-sub,
.bm-sidebar-nav-group.is-collapsible:not(.is-open) > .bm-sidebar-nav-sub2 {
    display: none;
}
.bm-sidebar-nav-sub,
.bm-sidebar-nav-sub2 {
    list-style: none;
    margin: 0;
    padding: 0 0 4px;
    display: block;
    width: 100%;
}
.bm-sidebar-nav-sub > li,
.bm-sidebar-nav-sub2 > li {
    display: block;
    width: 100%;
    margin: 0;
}
.bm-sidebar-nav-sub > li > .bm-sidebar-nav-link {
    display: flex;
    width: 100%;
    box-sizing: border-box;
    padding-left: 28px;
    font-size: 13px;
}
.bm-sidebar-nav-sub2 > li > .bm-sidebar-nav-link {
    display: flex;
    width: 100%;
    box-sizing: border-box;
    padding-left: 40px;
    font-size: 12.5px;
    color: #555;
}
.bm-sidebar-nav-nested > .bm-sidebar-nav-link {
    padding-left: 28px;
    font-size: 13px;
}

/* メインコンテンツ */
.bm-sidebar-main {
    flex: 1 1 auto;
    min-width: 0;
    box-sizing: border-box;
}

/* ========================================
   モバイル: ドロワー（768px以下）
   ======================================== */
.bm-sidebar-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
    color: var(--unit-color, #6b8e7f);
    cursor: pointer;
    font-size: 20px;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.bm-sidebar-toggle:hover {
    background: #f5f5f5;
}

.bm-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.bm-sidebar-overlay.is-open {
    opacity: 1;
}

/* 閉じている間はクリックを透過（モバイルで display:block のまま残る場合の保険） */
.bm-sidebar-overlay:not(.is-open) {
    pointer-events: none;
}

@media (max-width: 768px) {
    .bm-sidebar-layout {
        flex-direction: column;
        gap: 0;
        margin-top: 12px;
    }

    /* トグルボタン表示 */
    .bm-sidebar-toggle {
        display: inline-flex;
    }

    /* サイドバーをドロワー化 */
    .bm-sidebar-wrap {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 9999;
        width: var(--bm-sidebar-width, 260px);
        max-width: 85vw;
        min-width: 0;
        transform: translateX(-100%);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
        border-radius: 0;
    }

    .bm-sidebar-wrap.is-open {
        transform: translateX(0);
    }

    .bm-sidebar-overlay {
        display: block;
        pointer-events: none;
    }

    .bm-sidebar-overlay.is-open {
        pointer-events: auto;
    }

    .bm-sidebar-main {
        width: 100%;
    }
}

/* トグルなし：モバイルでもサイドバーを常時表示（ドロワーにしない） */
.bm-sidebar-layout.bm-sidebar-static .bm-sidebar-toggle {
    display: none !important;
}
.bm-sidebar-layout.bm-sidebar-static .bm-sidebar-overlay {
    display: none !important;
}
@media (max-width: 768px) {
    .bm-sidebar-layout.bm-sidebar-static {
        flex-direction: column;
        gap: 12px;
    }
    .unit_main .bm-sidebar-layout.bm-sidebar-static .bm-sidebar-wrap,
    .bm-sidebar-layout.bm-sidebar-static .bm-sidebar-wrap {
        position: static !important;
        transform: none !important;
        flex: none !important;
        width: 100% !important;
        min-width: 0 !important;
        max-width: none !important;
        height: auto;
        bottom: auto;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border-radius: 8px;
    }
}

/* 768px超〜900px: サイドバーを上に積む（ドロワーにしない）
   768px以下でドロワー、769px〜900pxで上に積むなら以下を追加 */
@media (min-width: 769px) and (max-width: 900px) {
    .bm-sidebar-layout {
        flex-direction: column;
    }

    .bm-sidebar-wrap {
        position: static;
        flex: none;
        width: 100%;
        min-width: 0;
        max-width: none;
        margin-bottom: 16px;
    }

    .bm-sidebar-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    .bm-sidebar-nav-item {
        flex: 1;
        min-width: 120px;
    }

    /* 階層グループはチップ化せず全幅のまま縦並び */
    .bm-sidebar-nav-item.bm-sidebar-nav-group {
        flex: 1 1 100%;
        min-width: 100%;
        max-width: 100%;
    }
}

/* PC: 画面より長いメニューはサイドバー内でスクロール */
@media (min-width: 901px) {
    .bm-sidebar-wrap {
        max-height: calc(100vh - 40px);
        max-height: calc(100dvh - 40px);
    }
}

/* テンプレート・サイドバー型: メニューをヘッダー☰に載せたとき（モバイルの二重ハンバーを解消） */
@media (max-width: 768px) {
    body.bm-template-sidebar-in-hamburger .bm-sidebar-wrap,
    body.bm-template-sidebar-in-hamburger .bm-sidebar-overlay,
    body.bm-template-sidebar-in-hamburger .bm-sidebar-toggle {
        display: none !important;
    }
}

/* サイドバー型の「別ページ」ハブ（遷移説明カード） */
.bm-sidebar-hub-card {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    max-width: 640px;
}

.bm-sidebar-hub-card h2 {
    margin-top: 0;
    color: #333;
}

.bm-sidebar-hub-actions {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.bm-sidebar-page-hint {
    font-size: 13px;
    color: #666;
    margin: 0 0 12px 0;
    padding: 8px 12px;
    background: #f4f6f8;
    border-radius: 6px;
    border-left: 4px solid var(--unit-color, #6b8e7f);
}