.dfb-usfm-reader {
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.8;
    max-width: 850px;
    margin: 0 auto;
    padding: 20px;
    color: #333;
    background: #fafaf8;
}

.dfb-usfm-chapter {
    background: white;
    padding: 25px;
    margin-bottom: 30px;
    border-left: 4px solid #0066cc;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.dfb-usfm-chapter-num {
    font-size: 1.8em;
    font-weight: 700;
    margin: 0 0 20px 0;
    padding-bottom: 15px;
    border-bottom: 2px solid #e8e8e8;
    color: #0066cc;
}

.dfb-usfm-section {
    font-size: 1.15em;
    font-weight: 600;
    margin: 25px 0 15px 0;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95em;
}

.dfb-usfm-section-content {
    text-align: justify;
    hyphens: auto;
    word-break: break-word;
}

.dfb-usfm-verse {
    display: inline;
}

.dfb-usfm-verse-num {
    font-weight: 700;
    color: #0066cc;
    font-size: 0.85em;
    vertical-align: super;
    margin-right: 2px;
    display: inline-block;
    min-width: 1.5em;
}

.dfb-usfm-verse.highlight {
    background-color: #fffacd;
    padding: 0 2px;
}

.dfb-usfm-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 12px;
    border-radius: 4px;
    margin: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .dfb-usfm-reader {
        padding: 15px;
    }
    
    .dfb-usfm-chapter {
        padding: 20px;
    }
    
    .dfb-usfm-chapter-num {
        font-size: 1.5em;
    }
    
    .dfb-usfm-section {
        font-size: 1.1em;
    }
}