/**
 * ACF Repeater Tabs Frontend Styles
 */

/* 基礎容器樣式 */
.artfe-acf-repeater-tabs {
    width: 100%;
    position: relative;
}

.artfe-acf-tabs-wrapper {
    display: flex;
    flex-direction: column;
}

/* 標題容器 */
.artfe-artfe-acf-tabs-titles {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

/* 水平佈局 */
.artfe-acf-tabs-horizontal .artfe-artfe-acf-tabs-titles {
    flex-direction: row;
}

/* 垂直佈局 */
.artfe-acf-tabs-vertical .artfe-acf-tabs-wrapper {
    flex-direction: row;
}

.artfe-acf-tabs-vertical .artfe-artfe-acf-tabs-titles {
    flex-direction: column;
    margin-bottom: 0;
    margin-right: 20px;
    min-width: 200px;
}

/* 標題樣式 */
.artfe-acf-tabs-title {
    padding: 12px 24px;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    text-align: center;
    position: relative;
    user-select: none;
    overflow: hidden;
}

/* 標題懸停效果 */
.artfe-acf-tabs-title:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 標題啟用狀態 */
.artfe-acf-tabs-title.active {
    background-color: #fff;
    border-bottom-color: transparent;
    font-weight: 600;
    z-index: 1;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.artfe-acf-tabs-vertical .artfe-acf-tabs-title.active {
    border-bottom-color: #ddd;
    border-right-color: transparent;
}

/* 內容容器 */
.artfe-artfe-acf-tabs-contents {
    position: relative;
    flex: 1;
}

/* 內容樣式 */
.artfe-acf-tabs-content {
    display: none;
    padding: 20px;
    background-color: #fff;
    border: 1px solid #ddd;
    animation: fadeIn 0.3s ease;
    overflow: hidden;
    position: relative;
}

/* 顯示啟用的內容 */
.artfe-acf-tabs-content.active {
    display: block;
}

/* 淡入動畫 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 響應式設計 */
@media (max-width: 768px) {
    .artfe-acf-tabs-vertical .artfe-acf-tabs-wrapper {
        flex-direction: column;
    }
    
    .artfe-acf-tabs-vertical .artfe-artfe-acf-tabs-titles {
        flex-direction: row;
        margin-right: 0;
        margin-bottom: 20px;
        min-width: auto;
    }
    
    .artfe-artfe-acf-tabs-titles {
        flex-direction: column;
    }
    
    .artfe-acf-tabs-title {
        width: 100%;
        text-align: left;
    }
}

/* 清除浮動 */
.artfe-acf-repeater-tabs::after {
    content: "";
    display: table;
    clear: both;
}

/* 移除預設 focus 樣式 */
.artfe-acf-tabs-title:focus {
    outline: none;
}

/* 載入中樣式 */
.artfe-acf-tabs-spinner {
    text-align: center;
    padding: 40px;
    color: #999;
}

.artfe-acf-tabs-spinner:before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.artfe-acf-tabs-error {
    text-align: center;
    padding: 40px;
    color: #d32f2f;
    background-color: #ffebee;
    border: 1px solid #ffcdd2;
    border-radius: 4px;
}

.artfe-acf-tab-loading {
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}