.container {
    max-width: 1100px;
    margin: 30px auto;
    padding: 0 15px;
}

.user-header {
    text-align: center;
    margin-bottom: 30px;
}

.user-header h1 {
    font-size: 22px;
    margin-bottom: 5px;
}

.user-header p {
    color: #666;
    font-size: 14px;
}

.file-grid {
    display: grid;
    gap: 15px;
}

.file-card {
    background: #fff;
    padding: 18px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.file-title {
    font-size: 17px;
    margin-bottom: 8px;
}

.file-meta {
    font-size: 13px;
    color: #777;
    margin-bottom: 10px;
}

.file-desc {
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.download-btn {
    display: inline-block;
    padding: 8px 14px;
    background: #007bff;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
}

.download-btn:hover {
    background: #0069d9;
}

.empty-box {
    text-align: center;
    padding: 40px;
    background: #fff;
    border-radius: 10px;
}

/* دسکتاپ */
@media (min-width: 768px) {
    .file-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .file-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}