/**
 * RichSearchSuggest Plugin - Frontend Stylesheet
 * 2段ドロップダウンおよびスマホ全画面オーバーレイデザイン (Bootstrap 5 互換)
 */

:root {
    --rss-highlight-color: #0d6efd;
    --rss-bg-hover: #f8fafc;
    --rss-border-color: #e2e8f0;
    --rss-text-main: #1e293b;
    --rss-text-muted: #64748b;
    --rss-price-color: #b91c1c;
}

/* ==========================================================================
   1. デスクトップ用2段フローティングドロップダウン
   ========================================================================== */
.rss-dropdown {
    position: absolute;
    z-index: 1050;
    background: #ffffff;
    border: 1px solid var(--rss-border-color);
    border-radius: 10px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12), 0 4px 10px rgba(0, 0, 0, 0.04);
    width: 440px;
    max-width: 95vw;
    max-height: 82vh;
    max-height: 82dvh;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    display: flex;
    flex-direction: column;
}

@keyframes rssFadeDown {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rss-results-container {
    max-height: min(640px, calc(82vh - 4px));
    max-height: min(640px, calc(82dvh - 4px));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

/* スマホ検索結果ボディ内では全高にフィット */
.rss-mobile-body .rss-results-container {
    max-height: none;
    height: 100%;
}

/* スクロールバー装飾 */
.rss-results-container::-webkit-scrollbar {
    width: 6px;
}
.rss-results-container::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

/* 各セクション共通 */
.rss-section {
    padding: 8px 0;
    border-bottom: 1px solid var(--rss-border-color);
}
.rss-section:last-of-type {
    border-bottom: none;
}

.rss-section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 700;
    color: var(--rss-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 1段目: 関連キーワードリスト */
.rss-keyword-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rss-keyword-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--rss-text-main);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.rss-keyword-item:hover,
.rss-keyword-item.rss-item-focused {
    background-color: var(--rss-bg-hover);
    color: var(--rss-highlight-color);
}

.rss-keyword-icon {
    color: var(--rss-text-muted);
    flex-shrink: 0;
}

.rss-keyword-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 2段目: 商品検索プレビューカードリスト */
.rss-product-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rss-product-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--rss-text-main);
    transition: background-color 0.15s ease;
    border-bottom: 1px dashed #f1f5f9;
}

.rss-product-card:last-child {
    border-bottom: none;
}

.rss-product-card:hover,
.rss-product-card.rss-item-focused {
    background-color: var(--rss-bg-hover);
}

/* サムネイル画像 */
.rss-product-thumb {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rss-product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 商品詳細メタ情報 */
.rss-product-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.rss-product-name {
    font-size: 13.5px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--rss-text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rss-product-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 2px;
}

.rss-product-price {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--rss-price-color);
}

.rss-product-price-tax {
    font-size: 11px;
    font-weight: normal;
    color: var(--rss-text-muted);
}

.rss-stock-badge {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 500;
}
.rss-stock-badge.is-soldout {
    background: #fee2e2;
    color: #dc2626;
}

/* 一致テキストハイライト */
mark.rss-highlight {
    background: transparent;
    color: var(--rss-highlight-color);
    font-weight: 700;
    padding: 0;
}

/* 最下部 全件検索リンクバー */
.rss-footer-action {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    background: #f8fafc;
    border-top: 1px solid var(--rss-border-color);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    color: #2563eb;
    transition: background-color 0.15s ease;
}

.rss-footer-action:hover,
.rss-footer-action.rss-item-focused {
    background: #f1f5f9;
    text-decoration: underline;
}

/* 検索結果なし・ローディング表示 */
.rss-empty-box {
    padding: 24px 16px;
    text-align: center;
    color: var(--rss-text-muted);
    font-size: 13px;
}
.rss-empty-icon {
    font-size: 24px;
    margin-bottom: 6px;
}

.rss-loading-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 24px 16px;
    font-size: 13px;
    color: var(--rss-text-muted);
}
.rss-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #e2e8f0;
    border-top-color: var(--rss-highlight-color);
    border-radius: 50%;
    animation: rssSpin 0.7s linear infinite;
}
@keyframes rssSpin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   2. スマホ全画面検索オーバーレイ（画面幅768px以下）
   ========================================================================== */
.rss-mobile-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh; /* iOS Safari アドレスバー可変高対応 */
    background: #ffffff;
    z-index: 200000; /* EC-CUBE標準ドロワー(100000)を確実に上回る前面表示 */
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: rssSlideInUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* モーダル展開時、EC-CUBEのドロワーおよびオーバーレイを非表示に固定 */
body.rss-modal-active .ec-drawerRole,
body.rss-modal-active .ec-drawerRoleClose,
body.rss-modal-active .ec-overlayRole {
    display: none !important;
    visibility: hidden !important;
}

@keyframes rssSlideInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* スマホ上部検索ヘッダー */
.rss-mobile-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    padding-top: max(10px, env(safe-area-inset-top));
    background: #ffffff;
    border-bottom: 1px solid var(--rss-border-color);
    flex-shrink: 0;
}

.rss-mobile-back-btn {
    background: none;
    border: none;
    padding: 8px;
    margin: -8px;
    color: var(--rss-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    border-radius: 50%;
}
.rss-mobile-back-btn:active {
    background: #f1f5f9;
}

.rss-mobile-input-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.rss-search-icon {
    position: absolute;
    left: 12px;
    color: var(--rss-text-muted);
    pointer-events: none;
}

.rss-mobile-input {
    width: 100%;
    height: 42px;
    padding: 0 36px 0 38px;
    font-size: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 21px;
    background: #f8fafc;
    color: var(--rss-text-main);
    outline: none;
    transition: border-color 0.2s, background-color 0.2s;
    -webkit-appearance: none;
}

.rss-mobile-input:focus {
    background: #ffffff;
    border-color: var(--rss-highlight-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.rss-clear-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 26px;
    height: 26px;
    background: #cbd5e1;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    line-height: 1;
}

/* スマホ検索結果ボディ領域 */
.rss-mobile-body {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding-bottom: max(20px, env(safe-area-inset-bottom));
}

.rss-mobile-body .rss-product-card {
    padding: 12px 16px;
}
.rss-mobile-body .rss-product-thumb {
    width: 64px;
    height: 64px;
}
.rss-mobile-body .rss-product-name {
    font-size: 14px;
}
.rss-mobile-body .rss-keyword-item {
    padding: 12px 16px;
    font-size: 15px;
}
.rss-mobile-body .rss-footer-action {
    padding: 16px;
    font-size: 14.5px;
}