body {
            font-family: Consolas, monospace;
            background-color: #F0F8FF;
            margin: 20px;
        }
        .layout-principal {
            display: flex;
            gap: 20px;
        }
        .caja-controles {
            background: #ffffff;
            border: 1px solid #c0c0c0;
            border-radius: 4px;
            padding: 16px;
            width: 320px;
            box-shadow: 2px 2px 6px rgba(0,0,0,0.08);
        }
        .caja-controles label {
            display: inline-block;
            width: 110px;
            font-weight: bold;
            margin-bottom: 8px;
            font-size: 11pt;
        }
        .caja-controles input, .caja-controles select {
            width: 180px;
            font-family: Consolas, monospace;
            font-size: 11pt;
            padding: 4px;
            margin-bottom: 8px;
            border: 1px solid #999;
            border-radius: 3px;
        }
        .btn-accion {
            width: 100%;
            padding: 10px;
            font-family: Consolas, monospace;
            font-weight: bold;
            font-size: 11pt;
            background-color: #E0F2F7;
            border: 1px solid #0055ff;
            cursor: pointer;
            border-radius: 3px;
            margin-top: 10px;
        }
        .btn-accion:hover {
            background-color: #cde8f1;
        }
        .caja-tabla {
            flex-grow: 1;
            background: #ffffff;
            border: 1px solid #c0c0c0;
            border-radius: 4px;
            padding: 16px;
            max-height: 80vh;
            overflow-y: auto;
        }
        .tabla-amort {
            width: 100%;
            border-collapse: collapse;
        }
        .tabla-amort th {
            background-color: LightGrey;
            border: 1px solid #000;
            padding: 6px;
            font-size: 10pt;
        }
        .tabla-amort td {
            border: 1px solid #ccc;
            padding: 4px 6px;
            font-size: 10pt;
        }
								
        .panel-lateral {
            display: flex;
            flex-direction: column;
            gap: 15px;
            width: 340px;
        }
        .caja-historico {
            background: #ffffff;
            border: 1px solid #c0c0c0;
            border-radius: 4px;
            padding: 12px;
            max-height: 240px;
            overflow-y: auto;
            box-shadow: 2px 2px 6px rgba(0,0,0,0.08);
        }
        .tabla-historico {
            width: 100%;
            border-collapse: collapse;
            font-size: 9pt;
        }
        .tabla-historico th {
            background: LightGrey;
            border: 1px solid #999;
            padding: 4px;
        }
        .tabla-historico td {
            border: 1px solid #ccc;
            padding: 4px;
        }
        .btn-secundario {
            padding: 6px;
            font-family: Consolas, monospace;
            font-size: 9.5pt;
            font-weight: bold;
            background: #fff;
            border: 1px solid #777;
            cursor: pointer;
            border-radius: 3px;
        }
        .btn-secundario:hover {
            background: #e8f4f8;
        }