/* Bundle & Save Shortcode Styles */
* { 
    box-sizing: border-box; 
}

.fs_bundle-container {
    max-width: 380px; 
    background: #fff; 
    border-radius: 12px; 
    /* box-shadow: 0 2px 8px rgba(0,0,0,0.1); */
    /* padding: 24px; */
    margin: 40px auto;
    font-family: inherit;
}

/* 选项卡优化 */
.fs_bundle-option {
    display: block;
    background: #f5f7fb; /* 回退颜色 */
    background: color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 6%, transparent);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 10px;
    border: 1.5px solid #e0e3f0; /* 回退颜色 */
    border: 1.5px solid color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 20%, transparent);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    box-shadow: none;
}
.fs_bundle-option:hover {
    background: #e8ebf8; /* 回退颜色 */
    background: color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 12%, transparent);
    border-color: var(--primary-color, var(--primary, #3a49fd));
}
.fs_bundle-option.fs_selected {
    background: #fff;
    border: 2px solid var(--primary-color, var(--primary, #3a49fd));
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 8%, transparent);
}

.fs_bundle-option input[type="radio"] {
    accent-color: var(--primary-color, var(--primary, #3a49fd));
    width: 20px;
    height: 20px;
    margin-right: 18px;
    margin-top: 0;
    flex-shrink: 0;
}

.fs_variable-product .fs_bundle-option.fs_selected { 
    padding-top: 18px; 
}

.fs_simple-product .fs_bundle-option.fs_selected { 
    padding: 16px 18px; 
}

/* 让bundle整体更简洁 */
.fs_title {
    font-weight: 700;
    letter-spacing: 1px;
    text-align: center;
    font-size: 17px;
    margin-bottom: 18px;
    color: #222;
}

.fs_bundle-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fs_bundle-info {
    flex: 1;
}

.fs_bundle-title {
    font-weight: 600;
    font-size: 17px;
    display: flex;
    align-items: center;
    color: #222;
    line-height: 1.2;
}

.fs_badge {
    margin-left: 10px;
    font-size: 11px;
    color: var(--primary-color, var(--primary, #3a49fd));
    background: color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 10%, transparent);
    border-radius: 6px;
    padding: 2px 8px;
    font-weight: 600;
}

.fs_bundle-desc {
    color: #b0b6c7;
    font-size: 13px;
    margin-top: 2px;
}

.fs_bundle-price {
    text-align: right;
}

.fs_price-main {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color, var(--primary, #3a49fd));
}

.fs_price-old {
    font-size: 15px;
    color: #b2b6c8;
    text-decoration: line-through;
    margin-top: 2px;
}

.fs_popular-tag {
    position: absolute;
    right: -10px;
    top: -14px;
    font-size: 11px;
    color: #fff;
    background: var(--primary-color, var(--primary, #3a49fd));
    border-radius: 10px 10px 10px 0;
    padding: 2px 8px;
    font-weight: 600;
    box-shadow: 0 2px 6px color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 20%, transparent);
    transform: rotate(8deg);
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.fs_variants { 
    display: none; 
    margin-top: 18px; 
}

.fs_bundle-option.fs_selected .fs_variants {
    display: block;
}

.fs_variants-label { 
    font-size: 13px; 
    color: #555; 
    margin-bottom: 6px; 
    font-weight: 500;
}

.fs_variant-row { 
    display: flex; 
    align-items: center; 
    margin-bottom: 5px; 
}

.fs_variant-row:last-child { 
    margin-bottom: 0; 
}

.fs_variant-num { 
    font-size: 15px; 
    color: #888; 
    margin-right: 8px; 
    font-weight: 500;
    min-width: 20px;
    line-height: 1.4;
    display: flex;
    align-items: center;
}

.fs_variant-select { 
    border-radius: 6px; 
    border: 1px solid #d2d6e9; 
    padding: 8px 10px; 
    font-size: 14px; 
    margin-right: 10px; 
    background: #fff;
    color: #333;
    min-width: 100px;
    height: 36px;
    line-height: 1.4;
}

.fs_variant-select:focus {
    outline: none;
    border-color: var(--primary-color, var(--primary, #3a49fd));
}

.fs_add-to-cart-btn {
    width: 100%;
    margin-top: 16px;
    padding: 14px 20px;
    background: var(--primary-color, var(--primary, #3a49fd));
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 15%, transparent);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.fs_add-to-cart-btn:hover {
    background: color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 92%, black);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--primary-color, var(--primary, #3a49fd)) 25%, transparent);
}

.fs_add-to-cart-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

.fs_dot-separator { 
    font-size: 18px; 
    margin: 0 3px; 
    line-height: 1; 
    vertical-align: middle; 
}

.fs_add-to-cart-price { 
    font-size: 17px; 
    font-weight: 700; 
}

.fs_loading-spinner { 
    font-size: 14px; 
}

.fs_bundle-success { 
    color: #28a745; 
    margin-top: 10px; 
    text-align: center; 
    font-weight: 600; 
    padding: 8px;
    background: rgba(40, 167, 69, 0.1);
    border-radius: 4px;
}

.fs_bundle-error { 
    color: #dc3545; 
    margin-top: 10px; 
    text-align: center; 
    font-weight: 600; 
    padding: 8px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 4px;
}

/* 适配移动端 */
@media (max-width: 480px) {
    .fs_bundle-container {
        margin: 20px auto;
        /* padding: 20px; */
        max-width: 98%;
    }
    
    .fs_variant-row {
        flex-wrap: wrap;
        gap: 5px;
        align-items: center;
    }
    
    .fs_variant-select {
        min-width: 80px;
        font-size: 13px;
        height: 32px;
        padding: 6px 8px;
    }
    
    .fs_variant-num { 
        line-height: 1.3;
        font-size: 14px;
        min-width: 18px;
    }
    
    .fs_bundle-header {
        gap: 6px;
        align-items: center;
    }
    
    .fs_bundle-option input[type="radio"] {
        width: 18px;
        height: 18px;
        margin-right: 12px;
    }
    
    .fs_bundle-price {
        min-width: 80px;
    }
}

/* Accessibility - 移除双重边框问题 */
.fs_bundle-option:focus,
.fs_bundle-option:focus-visible,
.fs_bundle-option:focus-within,
.fs_bundle-option:active {
    outline: none !important;
    box-shadow: none !important;
}

.fs_bundle-option input[type="radio"]:focus,
.fs_bundle-option input[type="radio"]:focus-visible,
.fs_bundle-option input[type="radio"]:active {
    outline: none !important;
    box-shadow: none !important;
}

.fs_add-to-cart-btn:focus,
.fs_add-to-cart-btn:focus-visible {
    outline: none !important;
}