.search-container{width:100%;max-width:800px;margin:0 auto;font-family:Arial,sans-serif}.channel-item{display:flex;align-items:center;padding:12px 15px;margin-bottom:2px;cursor:pointer;transition:background-color .3s ease}.channel-item:hover{background-color:#444!important}.channel-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-right:10px;font-size:18px}.channel-icon.custom-icon{width:24px;height:24px;object-fit:contain}.category-name{flex-grow:1;font-size:16px;font-weight:500}.toggle-button{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:inherit;transition:transform .3s ease}.toggle-plus-minus .toggle-button::before{content:"+"}.toggle-plus-minus .toggle-button.close::before{content:"−"}.toggle-arrow .toggle-button::before{content:"▶"}.toggle-arrow .toggle-button.close::before{content:"▼"}.channel-sublist{display:none;list-style:none;margin:0;padding:10px 15px 10px 49px;background-color:#222;transition:all .3s ease}.channel-sublist li{padding:8px 0;font-size:14px}.channel-list.icon-right .channel-item{flex-direction:row-reverse}.channel-list.icon-right .channel-icon{margin-right:0;margin-left:10px}.wp-admin .form-table textarea{width:100%;min-height:100px}.wp-admin .m3u-upload-section{margin-bottom:30px;padding:20px;background:#fff;border:1px solid #ccc;border-radius:5px}.search-container{width:100%;max-width:800px;margin:0 auto;font-family:Arial,sans-serif}@media screen and (max-width:600px){.search-container{width:95%}.channel-item{padding:10px 12px}.channel-icon{width:20px;height:20px;font-size:16px}.category-name{font-size:14px}}