.document-header {
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
        color: white;
        border-radius: 1rem;
        padding: 2rem;
        margin-bottom: 2rem;
}

.document-meta {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.meta-label {
    font-weight: 600;
    color: var(--text-primary);
}

.meta-value {
    color: var(--text-secondary);
}

.chunks-container {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
}

.chunk-item {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.chunk-item:last-child {
    margin-bottom: 0;
}

.chunk-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.chunk-number {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.chunk-content {
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.875rem;
}

.btn-group .btn {
    margin-right: 0.5rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-processed {
    background: #d1fae5;
    color: #065f46;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.pdf-container iframe {
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pdf-embed-container object {
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pdf-fallback {
    padding: 2rem;
    text-align: center;
    background: var(--background-light);
    border-radius: 0.5rem;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-controls {
    text-align: right;
}

.text-content, .document-preview {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--background-light);
}

.alert i.fa-3x {
    color: inherit;
    opacity: 0.7;
}

.view-toggle .btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}