/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    background-color: #f0f0f0;
}

/* PDF container styles */
#pdf-container {
    width: 100%;
    height: 100%;
    overflow: auto;
    display: none; /* Hidden initially, shown when PDF loads */
    background-color: #525659;
    text-align: center;
}

#pdf-render {
    display: inline-block;
    margin: 0 auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Loading spinner and text styles */
#loading-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #f0f0f0;
    z-index: 10;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #ddd;
    border-radius: 50%;
    border-top-color: #3498db;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-text {
    font-size: 18px;
    color: #333;
}

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