/* ==========================================================================
   event-card-decorations.css
   イベントカード 第20段階 装飾選択 (Decoration Picker) スタイル
   ========================================================================== */

.event-card-decoration-picker {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    box-sizing: border-box;
}

.event-card-decoration-picker-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.event-card-decoration-picker-title {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
}

.event-card-decoration-picker-hint {
    font-size: 12px;
    color: #64748b;
}

.event-card-decoration-empty {
    padding: 24px 16px;
    text-align: center;
    font-size: 13px;
    color: #94a3b8;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px dashed #cbd5e1;
}

/* 一覧グリッド */
.event-card-decoration-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    padding: 2px;
    box-sizing: border-box;
    max-height: 380px;
    overflow-y: auto;
}

/* 単一アイテムボタン */
.event-card-decoration-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-sizing: border-box;
    text-align: center;
    outline: none;
    user-select: none;
    -webkit-user-select: none;
}

.event-card-decoration-item:hover {
    border-color: #94a3b8;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.event-card-decoration-item:focus-visible {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.event-card-decoration-item.is-selected {
    border-color: #2563eb;
    background: #eff6ff;
    box-shadow: 0 0 0 2px #2563eb, 0 4px 6px -1px rgba(37, 99, 235, 0.1);
}

/* プレビュー枠 (チェッカーボード背景で透過PNGを視認可能に) */
.event-card-decoration-preview {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    max-height: 140px;
    border-radius: 4px;
    overflow: hidden;
    background-color: #f1f5f9;
    background-image: 
        linear-gradient(45deg, #e2e8f0 25%, transparent 25%),
        linear-gradient(-45deg, #e2e8f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
        linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #cbd5e1;
}

.event-card-decoration-preview.is-none {
    background-image: none;
    background-color: #f8fafc;
}

.event-card-decoration-none-icon {
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    border: 1px dashed #cbd5e1;
    border-radius: 4px;
    padding: 6px 12px;
}

/* おすすめボタン (第21段階) */
.event-card-decoration-item.is-auto-item {
    border-color: #cbd5e1;
}

.event-card-decoration-preview.is-auto {
    background-image: none;
    background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
}

.event-card-decoration-auto-icon {
    font-size: 12px;
    font-weight: 600;
    color: #3b82f6;
    padding: 6px 8px;
    text-align: center;
    line-height: 1.3;
}

.event-card-decoration-subtext {
    font-size: 10px;
    color: #64748b;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.event-card-decoration-item.is-selected .event-card-decoration-subtext {
    color: #2563eb;
}

.event-card-decoration-thumb {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    pointer-events: none;
}

/* 装飾名ラベル */
.event-card-decoration-name {
    font-size: 11px;
    font-weight: 500;
    color: #334155;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.event-card-decoration-item.is-selected .event-card-decoration-name {
    color: #1d4ed8;
    font-weight: 600;
}

/* モバイル向け調整 */
@media (max-width: 640px) {
    .event-card-decoration-list {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
        max-height: 280px;
    }

    .event-card-decoration-item {
        padding: 6px;
    }

    .event-card-decoration-preview {
        max-height: 110px;
    }

    .event-card-decoration-name {
        font-size: 10px;
    }
}