.pdf-container { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 20px 15px; display: flex; flex-direction: column; gap: 20px; width: 100%; box-sizing: border-box; }
            
            /* Área de Inputs / Configuração Otimizada */
            .split-config-section { background: #fff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 20px; display: flex; flex-direction: column; gap: 15px; width: 100%; box-sizing: border-box; }
            
            .section-title { font-size: 1rem; font-weight: 600; color: #1e293b; border-bottom: 2px solid #f1f5f9; padding-bottom: 8px; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
            
            label { display: block; margin-top: 5px; font-weight: 600; color: #334155; font-size: 0.9rem; }
            input {
                width: 100%;
                padding: 10px;
                margin-top: 5px;
                border: 1px solid #cbd5e1;
                border-radius: 6px;
                box-sizing: border-box;
                font-size: 0.95rem;
                background: #f8fafc;
                color: #1e293b;
            }
            input:focus { border-color: #2563eb; background: #fff; outline: none; }

            /* Ações Principais */
            .split-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 5px; width: 100%; }
            .btn { padding: 12px 20px; border: none; border-radius: 8px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: background-color 0.2s; text-align: center; display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; box-sizing: border-box; }
            .btn-primary { background-color: #2563eb; color: white; }
            .btn-primary:hover { background-color: #1d4ed8; }

            /* Resultados */
            .results { margin-top: 20px; border-top: 1px solid #e2e8f0; padding-top: 15px; background: #f8fafc; border: 1px solid #e2e8f0; padding: 15px; border-radius: 8px; display: none; }
            .loading { text-align: center; font-style: italic; color: #64748b; font-size: 0.9rem; padding: 10px 0; }