/* ============================================
   ZPro Downloads Stylesheet
   资料下载页面样式表 - 统一管理下载相关样式
   ============================================ */

/* ============================================
   1. DOWNLOADS SECTION
   ============================================ */
.downloads-section {
    padding: 64px 0;
    background: var(--bg-light);
    min-height: 600px;
}

.downloads-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #fff;
}

/* ============================================
   2. DOWNLOADS LIST
   ============================================ */
.downloads-list {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    overflow: hidden;
}

.download-item {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.2s ease;
}

.download-item:last-child {
    border-bottom: none;
}

.download-item:hover {
    background: var(--bg-light);
}

.download-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 10px;
    margin-right: 20px;
    flex-shrink: 0;
}

.download-icon i {
    font-size: 1.5rem;
    color: #6c757d;
}

.download-icon.pdf i {
    color: #dc3545;
}

.download-icon.word i {
    color: #0066cc;
}

.download-icon.excel i {
    color: #28a745;
}

.download-icon.csv i {
    color: #28a745;
}

.download-icon.archive i {
    color: #8B4513;
}

.download-icon.zip i {
    color: #8B4513;
}

.download-icon.image i {
    color: #e91e63;
}

.download-icon.video i {
    color: #9c27b0;
}

.download-icon.audio i {
    color: #ff9800;
}

.download-icon.text i {
    color: #607d8b;
}

.download-icon.code i {
    color: #795548;
}

.download-icon.powerpoint i {
    color: #d44310;
}

.download-icon.file i {
    color: #6c757d;
}

.download-info {
    flex: 1;
    min-width: 0;
}

.download-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.download-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.download-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.download-tag {
    padding: 3px 10px;
    background: var(--bg-light);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.download-size {
    font-weight: 500;
}

.download-date {
    display: flex;
    align-items: center;
    gap: 6px;
}

.download-action {
    margin-left: 20px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary-blue);
    color: #fff;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.download-btn:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.download-btn i {
    font-size: 0.875rem;
}

/* ============================================
   3. EMPTY STATE
   ============================================ */
.downloads-empty {
    text-align: center;
    padding: 80px 20px;
}

.downloads-empty i {
    font-size: 4rem;
    color: var(--border-light);
    margin-bottom: 20px;
}

.downloads-empty h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.downloads-empty p {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

/* ============================================
   4. PAGINATION
   ============================================ */
.downloads-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

/* ============================================
   5. RESPONSIVE STYLES
   ============================================ */
@media (max-width: 767px) {
    .download-item {
        flex-wrap: wrap;
        padding: 16px;
    }
    
    .download-icon {
        width: 40px;
        height: 40px;
        margin-right: 12px;
    }
    
    .download-icon i {
        font-size: 1.25rem;
    }
    
    .download-info {
        flex: 1;
        min-width: 0;
    }
    
    .download-title {
        font-size: 0.9375rem;
    }
    
    .download-meta {
        flex-wrap: wrap;
        gap: 8px 12px;
    }
    
    .download-action {
        width: 100%;
        margin-left: 0;
        margin-top: 16px;
        padding-left: 52px;
    }
    
    .download-btn {
        width: 100%;
        justify-content: center;
    }
}