/**
 * 分頁樣式優化
 * 提供現代化的分頁 UI 設計
 */

/* 分頁容器 */
.pagination-wrapper {
    margin: 40px 0;
    text-align: center;
}

/* 分頁資訊 */
.pagination-info {
    margin-bottom: 20px;
    color: #666;
    font-size: 14px;
}

/* 分頁導航 */
nav[aria-label="文章分頁"] {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* 分頁列表 */
.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 5px;
    flex-wrap: wrap;
    justify-content: center;
}

/* 分頁項目 */
.pagination .page-item {
    display: inline-block;
}

/* 分頁連結 */
.pagination .page-link {
    display: block;
    padding: 8px 15px;
    text-decoration: none;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
    min-width: 40px;
    text-align: center;
}

/* 分頁連結懸停效果 */
.pagination .page-link:hover {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0,123,255,0.3);
}

/* 當前頁碼樣式 */
.pagination .page-item.active .page-link {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
    cursor: default;
    font-weight: bold;
}

/* 禁用狀態 */
.pagination .page-item.disabled .page-link {
    color: #999;
    background-color: #f8f9fa;
    border-color: #dee2e6;
    cursor: not-allowed;
    opacity: 0.5;
}

/* 第一頁/最後一頁按鈕特殊樣式 */
.pagination .page-item:first-child .page-link,
.pagination .page-item:last-child .page-link {
    font-weight: 500;
}

/* 響應式設計 - 平板 */
@media (max-width: 768px) {
    .pagination .page-link {
        padding: 10px 12px;
        font-size: 13px;
        min-width: 35px;
    }
    
    .pagination-info {
        font-size: 13px;
    }
}

/* 響應式設計 - 手機 */
@media (max-width: 480px) {
    .pagination {
        gap: 3px;
    }
    
    .pagination .page-link {
        padding: 8px 10px;
        font-size: 12px;
        min-width: 30px;
    }
    
    /* 手機版隱藏部分頁碼 */
    .pagination .page-item:not(.active):not(:first-child):not(:last-child):nth-child(n+5) {
        display: none;
    }
    
    /* 顯示省略號 */
    .pagination .page-item.ellipsis {
        display: inline-block;
    }
    
    .pagination .page-item.ellipsis .page-link {
        border: none;
        background: none;
        cursor: default;
        padding: 8px 5px;
    }
}

/* 載入動畫 */
.pagination-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 10px;
}

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

/* 快速跳轉 */
.pagination-jump {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
}

.pagination-jump input {
    width: 60px;
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
}

.pagination-jump button {
    padding: 5px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.pagination-jump button:hover {
    background-color: #0056b3;
}

/* 深色主題支援 */
@media (prefers-color-scheme: dark) {
    .pagination-info {
        color: #aaa;
    }
    
    .pagination .page-link {
        color: #e0e0e0;
        background-color: #2a2a2a;
        border-color: #444;
    }
    
    .pagination .page-link:hover {
        background-color: #007bff;
        border-color: #007bff;
        color: #fff;
    }
    
    .pagination .page-item.disabled .page-link {
        background-color: #1a1a1a;
        border-color: #333;
        color: #666;
    }
}