html, body {
    height: 100vh;
    overflow-y: auto; /* Only show vertical scrollbar if needed */
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
    background: #181818;
    color: #fff;
}

.container {
    max-width: 500px;
    margin: 40px auto;
    padding: 20px;
    text-align: center;
}

h1 {
    margin-bottom: 32px;
    font-size: 2rem;
    font-weight: 600;
}

.main-heading {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff; 
    letter-spacing: 1px;
}

.sub-heading {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: #fff;
}

.pdf-link {
    display: flex;
    align-items: center;
    background: #353535; 
    border-radius: 12px;
    padding: 18px 16px;
    margin-bottom: 24px;
    text-decoration: none;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 500;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    justify-content: flex-start; /* Ensure left alignment */
}

.pdf-link:hover {
    background: #4a4a4a; /* Slightly lighter grey for hover */
}

.pdf-link span {
    text-align: left; /* Left justify text */
    margin-left: 10px; /* Extra margin if needed */
    flex: 1; /* Take up remaining space */
    display: block;
    word-break: break-word;
}

.pdf-icon {
    width: 48px;
    height: auto;
    margin-right: 24px; /* Increased margin for better spacing */
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.word-icon {
    width: 48px;
    height: auto;
    margin-right: 24px; /* Increased margin for better spacing */
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.qr-section {
    margin-top: 32px;
    text-align: center;
}

.qr-image {
    width: 160px;
    max-width: 80vw;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    margin-bottom: 8px;
}

.qr-label {
    color: #ccc;
    font-size: 1rem;
    margin-top: 4px;
}

.qr-label.qr-url {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 4px;
    letter-spacing: 1px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.25);
}

@media (max-width: 600px) {
    .container {
        max-width: 95vw;
        padding: 10px;
    }
    .pdf-link {
        font-size: 1rem;
        padding: 14px 10px;
    }
    .pdf-icon {
        width: 36px;
        margin-right: 12px;
    }
    .word-icon {
        width: 36px;
        margin-right: 12px;
    }
    .main-heading {
        font-size: 1.3rem; /* Shrinks heading on small screens */
    }
    .sub-heading {
        font-size: 1rem; /* Make subheading smaller than main heading on mobile */
    }
}