.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; }

            #reader {
                width: 100%;
                border-radius: 8px;
                overflow: hidden;
                margin-bottom: 15px;
                border: none !important;
            }
            #reader video {
                object-fit: cover;
                border-radius: 8px;
            }

            /* 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; text-decoration: none; color: white; }
            .btn-primary { background-color: #2563eb; color: white;}
            .btn-primary:hover { background-color: #1d4ed8; }
            .btn-success { background-color: #16a34a; color: white; }
            .btn-success:hover { background-color: #15803d; }
            .btn-secondary { background-color: #64748b; color: white; }
            .btn-secondary:hover { background-color: #475569; }

            /* Resultados e Histórico */
            .resultado-box {
                background: #f8fafc;
                border: 1px solid #e2e8f0;
                border-left: 4px solid #2563eb;
                padding: 15px;
                border-radius: 8px;
                margin-top: 15px;
                display: none;
            }

            .historico-section {
                margin-top: 25px;
                width: 100%;
            }

            ul#lista-historico {
                list-style: none;
                padding: 0;
                margin: 10px 0 0 0;
            }

            ul#lista-historico li {
                background: #f8fafc;
                border: 1px solid #e2e8f0;
                padding: 10px 12px;
                border-radius: 6px;
                margin-bottom: 8px;
                display: flex;
                justify-content: space-between;
                align-items: center;
                font-size: 0.9rem;
            }

            ul#lista-historico li a {
                color: #2563eb;
                text-decoration: none;
                font-weight: 600;
                
            }
            ul#lista-historico li a:hover {
                text-decoration: underline;
            }

            .limpar-hist {
                background: none;
                border: none;
                color: #ef4444;
                cursor: pointer;
                font-size: 0.85rem;
                font-weight: 600;
                padding: 0;
                margin-top: 8px;
            }
            .limpar-hist:hover {
                text-decoration: underline;
            }