/**
 * 統一的媒體內容樣式
 * 用於貼文和留言的URL卡片與YouTube嵌入
 */

/* =========================
   URL連結卡片基礎樣式
   ========================= */
.url-link-card {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 12px;
    margin: 8px 0;
    background: #f9fafb;
    transition: all 0.2s ease;
    max-width: 100%;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}

.url-link-card:hover {
    border-color: #d1d5db;
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.url-link-card .url-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    width: 100%;
}

.url-link-card .url-link:hover {
    text-decoration: none;
}

.url-link-card .url-link:hover .external-icon svg {
    opacity: 0.8;
    transform: translateX(2px);
}

.url-link-card .link-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    position: relative;
}

.url-link-card .link-icon img {
    width: 20px;
    height: 20px;
    border-radius: 2px;
}

.url-link-card .link-icon-fallback {
    display: none;
}

.url-link-card .link-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.url-link-card .link-title {
    font-weight: 500;
    color: #111827;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.url-link-card .link-url {
    font-size: 12px;
    color: #6b7280;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.url-link-card .external-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.url-link-card .external-icon svg {
    width: 16px;
    height: 16px;
    opacity: 0.5;
    transition: all 0.2s ease;
    color: #6b7280;
}

/* =========================
   YouTube嵌入式播放器樣式
   ========================= */
.youtube-embed-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    margin: 10px 0;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.youtube-embed-container:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.youtube-embed-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 8px;
}


/* =========================
   響應式設計
   ========================= */
@media (max-width: 768px) {
    .url-link-card {
        padding: 10px;
        margin: 6px 0;
    }
    
    .url-link-card .link-title {
        font-size: 13px;
    }
    
    .url-link-card .link-url {
        font-size: 11px;
    }
    
    .youtube-embed-container {
        margin: 8px 0;
        border-radius: 6px;
    }
    
    .youtube-embed-container iframe {
        border-radius: 6px;
    }
    
}

@media (max-width: 480px) {
    .url-link-card {
        padding: 8px;
        margin: 4px 0;
    }
    
    .url-link-card .link-title {
        font-size: 12px;
    }
    
    .url-link-card .link-url {
        font-size: 10px;
    }
    
    .url-link-card .link-icon {
        width: 14px;
        height: 14px;
    }
    
    .url-link-card .link-icon img {
        width: 14px;
        height: 14px;
    }
}